riot - Release-2025.07

RIOT-2025.07 "FieldGuide" - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2025.07 release puts documentation front and center. With our new and shiny guide pages (#21404, #21436), it is easier than ever to pick up RIOT and start hacking! The new guides are available on https://guide.riot-os.org/

Two new checksum calculations have been added to RIOT: CRC16/IBM-SDLC (#21552) and reflected CRC8 with LSB first (#21543). The first one is needed for the new Slipmux driver (#21418) that is also part of this release. The latter in preparation for an upcoming 1-Wire driver (#19848).

This release includes the first part of the new Unified and Modular CoAP stack (unicoap #21390), providing initial parser and message APIs.

One new MCU is available for RIOT: The ESP32-H2 (#21522), including support for it's IEEE 802.15.4 capabilities (#21590).

RIOT continues the transition to #pragma once header guards and to the SPDX license format (#21497, #21504, #21501, #21496, #21430, #21591, #21517).

132 pull requests, composed of 443 commits, have been merged since the last release, and 3 issues have been solved. 29 people contributed with code in 90 days. 3833 files have been touched with 77135 (+) insertions and 49624 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/thread_flags: add thread flags group (#21254)
• tree-wide: fix compilation with GCC 15.1 and picolibc 1.8.10 (#21443)

System Libraries

• checksum: Add crc16-fcs / IBM-SDLC (#21552)
• dist/tools/riotbootgenhdr: don't be pedantic, add riotbootslotgetcurrenthdr() (#21509)
• sys/atomic_utils: add bit set/clear helpers for unsigned int (#21440)
• sys/atomic_utils: add helpers for unsigned int (#21429)
• sys/bcd: add bcd_buf_to_u32() and bcd_buf_from_str() (#21428)
• sys/checksum: Add LSB-first (reflected) CRC8 Function (#21543)
• sys/stdio: add printflonglong (#21445)
• sys/psa_crypto: Adding aead aes ccm (#21455)
• sys/psa_crypto: Adding ecc p256r1 pub key derivation (#21461)
• sys/ztimer: add support for timers running at a 500kHz frequency (#21553)
• sys/arduino: define LED_BUILTIN as frequently used by Arduino sketches (#21485)
• sys/event/deferred_callback: disable timer before modifying event (#21539)
• sys/event/thread: optimize stack usage (#21556)
• sys/event: make debug output of event_loop_debug more useful (#21456)
• sys/mineplex: Enhance Documentation (#21536)
• sys/psa_crypto: Rework Headers (#21512)
• sys/shell/cmd: typo in ifconfig helptext, \'transition\' fixed as \'transmission\' (#21474)
• sys/shell: expose readline() (#21505)
• sys/shell: rename shell_readline() (#21506)
• treewide: migrate to XFA SHELL_COMMAND (#21514)

Networking

• gnrc/ipv6/nib: add option to disable router solicitations (#21437)
• net/unicoap: Unified and Modular CoAP stack: Parser and Message APIs (pt 1) (#21390)
• submac: add TX power to retrievable netopts (#21579)
• sys/net/sock_util: Do not depend on network stack (#21419)
• sys: replace header guards with #pragma once (#21497)

Packages

• pkg/mpaland-printf: Add alternative stdio as package (#20664)
• pkg/wakaama: add on off switch (#21109)
• pkg/driver_sx126x: bump to v2.3.2 (#21521)
• pkg: use esptool.py v4.9.0 as package (#21557)
• pkg/littlefs2: bump to 2.11.1 (#21583)
• pkg/littlefs2: bump version to v2.11.0 (#21491)
• pkg/nanopb: support more recent google.protobuf versions (#21587)

Boards

• boards/esp32s3-usb-otg: enable SDMMC peripheral (#21471)
• boards: add Wemos D1 R32 (aka ESPDuino-32) board definition (#21479)
• cpu/esp32: add ESP32-H2 support (#21522)
• features.yaml: add feather_shield feature (#21513)
• boards/adafruit-{clue,itsybitsy-nrf52}: Convert to Common adafruit- nrf52-bootloader module (#21395)
• boards/esp32: Arduino I/O mapping completion (#21484)
• boards/nucleo-l412kb: enable ADC (#21566)
• boards/nucleo-l432: enable ADC (#21546)
• boards: replace header guards with #pragma once (#21504)

CPU

• cpu/cortexm_common: add .backup.noinit section (#21559)
• cpu/esp32: add IEEE 802.15.4 support for ESP32-H2 (#21590)
• cpu/esp32: Migration to ESP-IDF v5.4 (#21261)
• cpu/sam0_common: enable static voltages (#21555)
• cpu/sam0common: implement pmoff() (#14999)
• cpu/samd5x: improve isr buffer handling (#21486)
• cpu: replace header guards with #pragma once (#21501)
• periph_common/init.c: unblock i2c bus (#20787)

Device Drivers

• drivers/abp2: add abp2 driver (#20398)
• drivers/slipmux: Add to RIOT (#21418)
• drivers: add driver for MAX31865 resistance-to-digital converter (#21498)
• drivers: add MCP23x17 I/O expander support (#10688)
• drivers/netdevieee802154submac: port to netdevnewapi (#20992)
• drivers: replace header guards with #pragma once (#21496)
• drivers/periph/gpio(_ll): Enhance and fix the documentation (#21538)
• pkg/driver_atwinc15x0: remove the compilation of the SPI Flash driver part (#21494)

Documentation

• doc/guide: Introduce a Guide Site (#21404)
• doc/guides: Add Getting Started guide (#21436)
• boards/avr: Update the link to the AVaRICE documentation (#21595)
• boards/nucleo-f031k6: improve board doc (#21581)
• boards/nucleo-f042k6: doc improvement (#21584)
• boards/nucleo-l412kb: improve board doc page (#21554)
• boards/nucleo-l432kc: improve board doc page (#21460)
• boards/nucleo: fix Cortex-M4F family in doc page (#21561)
• boards: rename doc.txt -> doc.md for particle, Microchip, nrf ... boards (#21596)
• cpu/esp*: migrate doc files to Markdown files *.md (#21589)
• doc/creating-an-app: clarify wording about Makefile.board.dep (#21493)
• doc/guides/general: switch out @ref usage (#21457)
• doc: move vision to starlight, deprecate vision in doxygen (#21576)
• sys/stdio: better document configuration (#21459)

Build System / Tooling

• tools: add default .clang-tidy configuration (#21431)
• dist/tools/riotbootgenhdr: add JSON mode (#21511)
• dist/tools: add a leading whitespace check for #pragma once in the headerguards static test (#21430)
• build system: improve cargo/docker interaction (#21465)
• build-sytem/openocd: detect serial port TTY (#21523)
• dist/tools/bmp: in-line dependencies using PEP 723 (#21131)
• dist/tools/compile_test: specify toolchain and exit code (#21534)
• dist/tools: bump uf2conv version (#21469)
• makefiles/defaultmodules*.mk: fix the description in comments (#21499)
• makefiles/docker: update riotbuild digest (#21542)

Examples

• Guides: Introduce C Tutorial (#21434)
• examples/basic/subfolders: switch from DIRS to EXTERNALMODULEDIRS (#21476)
• examples/gnrc_lorawan: simplify configuration a bit (#21526)
• examples: move licenses from headers to SPDX format (#21591)
• examples: replace header guards with #pragma once (#21517)

Testing

• .github/workflows: Guide Site Build Test (#21458)
• tests/pkg/fatfs*: cleanup MTD default dependencies (#21478)

And 19 minor changes.

Deprecations

Bug fixes (22)

• drivers/sdmmc_sdhc: add timeout to wait for ISR mutex unlock (#21432)
• drivers/sx126x: add shield_sx1262 (#21441)
• tests/unittests: Add missing module dependency to enable UDP (#21597)
• boards/feather-m0: Correct ADC Settings (#21508)
• boards/nucleo-l432kc: fix typo in MCU table (#21550)
• boards/nucleo-l4: fix VBAT capable boards list (#21547)
• boards/seeedstudio-xiao-esp32c3: fix pin conflict (#21463)
• cpu/cc2538: Distinguish between GPIOOD and GPIOOD_PU (#21488)
• cpu/native: use correct isr_stack for valgrind (#21492)
• cpu/nrf5xcommon: fix uartpoweroff() (#19926)
• cpu/nrf{52,9160}: set GPIO modes correctly for MISO/MOSI SPI signals (#21549)
• cpu/sam0_common: fix DAC on SAM D5x/E5x (#21548)
• doc/guides: fix examples directories (#21568)
• examples/basic/subfolders: fix test (#21480)
• guides: Fix link to docker setup (#21570)
• guides: use absolute path to fix url (#21571)
• Makefile.include: fix override headers from application (#20744)
• pkg/esptool: force installation of version 4.9.0 (#21588)
• pkg/lwip: fix dependencies when LWIP IPv4 is used (#21342)
• pkg/mpaland-printf: fix overriding printf with printf_float (#21439)
• sys/embunit: fix return value on failure (#21468)
• tests/drivers/{st77xx,ili9341}: fix coordinates in lcd_fill() (#21518)

Known issues

Network related issues (55)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (6)

• misc issues with tests/trickle (#9052)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (11)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (5)

• examples/micropython: floating point exception while testing on native (#15870)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• VFS_READ show correct data on every SECOND request only (#21470)
• ztimer doesn't wake up on native if the pm_layered module is used (#21083)

Other platforms related issues (14)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• esp8266 crashes on WiFi disconnect (#21558)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)

Build system related issues (5)

• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)

Other issues (72)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [Tracking] Fix failures of test-on-iotlab (#20791)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/doxygen: Broken LaTeX Formulas (#21490)
• doxygen: CSS hack to hide doc breaks on older browsers (#21312)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C Crashes Kernel on Raspberry Pi Pico (#21187)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rpl, rpble: handle closed connection to parent(s) (#21574)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio UART input truncated (#21564)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• sys/usb/usbus/cdc/ecm: interface thread blocked when connected host interface is down (#21098)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/lvgl: compilation error for BOARD=samr21-xpro (#21446)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 168 known issues in this release

Fixed Issues since the last release (2025.04)

• Missing _TARGETNAME variable in stm32wlx target config causes flash failure (#21614)
• sys/psa_crypto: one parenthesis too many in the documentation (#21563)
• RIOT OS webpage do not generate automatically from git repository (#21562)

3 fixed issues since last release (2025.04)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Discussions

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org
• Follow us on Mastodon: floss.social/@RIOT_OS

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by Teufelchen1 7 months ago

riot - Release-2025.04

RIOT-2025.04 "MakeSpringClean" - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2025.04 release includes some spring cleaning activity in the build system and documentation, as well as the following highlights:

RIOT provides native as a board that can be used for fast development cycles on the development machine without the need for external microcontroller hardware. Starting with this release, native will default to a 64-bit executable on 64-bit hosts (#21242). If you prefer to cross-compile 32-bit executables, please now use native32 instead.

This new board alias mechanism also paves the way towards more consistent board names in RIOT. As a first step, the two Adafruit Feather nRF52840 boards have been renamed, while maintaining the old board names as aliases (#21349).

The examples contained in the RIOT source repository have been restructured as a first step towards easing the experience for RIOT newcomers (#21135, #21221). Stay tuned for more!

This release includes support for three new boards from the Seeed Studio XIAO family, notably the nRF52840 (#20980), nRF52840 Sense (#21332), and the ESP32C3 variant (#21267). RIOT now also boots on SAM4S Xplained Pro evaluation kits (#21201).

The default terminal program for RIOT (pyterm) now requires the psutil Python module. On Ubuntu/Debian, it can be installed with python3-psutil (#21399). RIOT started the transition from header guards to #pragma once in its source code. New code contributions should follow this style from now on (#21367, #21369).

175 pull requests, composed of 357 commits, have been merged since the last release, and 12 issues have been solved. 35 people contributed with code in 82 days. 1963 files have been touched with 49418 (+) insertions and 37661 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/cib: Add a prominent warning about thread safety (#21401)
• core/debug: extend doc about DEBUG() / LOG_DEBUG() (#21276)
• core/thread: error in thread.c corrected (#21253)

System Libraries

• sys/bcd: add bcdbuffrom_u32() (#21308)
• sys/event: add event_deferred_callback_post() helper (#21219)
• sys/event: add event_loop_debug pseudo-module (#20849)
• sys/fmt: add {fmt,scn}timetm_iso8601 (#21391)
• sys/psacrypto: Adding hmac hashing on psaimport_key and fix max hmac key size (#21297)
• sys/ztimer: add hint for setting static sleep adjustment (#21376)
• drivers/mtddefault: remove deprecated `mtddefaultgetdev()` (#21386)
• sys/fido2: update tests (#20876)
• psa_crypto: fold some long lines (#21303)
• rust: Simplify Makefiles (#21239)
• sys/chunkedringbuffer: let `crbend_chunk()` return size of the chunk (#20942)
• sys/isrpipe: unit tests, doc, and fix init (#21344)
• sys/malloc_tracing: remove deprecated module (#21384)
• sys/psa_crypto: drop no-op Doxygen statements (#21393)
• sys/psacrypto: usa autoinit module for initialization (#21322)
• sys/vfs: remove deprecated vfs_iterate_mounts() (#21387)
• sys/ztimer: fix small typo in doc (#21208)
• treewide: update riot-wrappers and riot-sys (#21383)

Networking

• sys/net/nanocoap: Implement Observe (Server-Side) (#21147)
• drivers/include: fixing order of doxygen tags and header guards (#21325)
• ieee802154/submac: calculate symbol time on demand (#19668)
• lwip: bump to v2.2.1 (#21196)
• nanocoap: avoid non static buffers of configurable size (#21270)
• nanocoap_sock: implement observe (Client-Side) (#21160)
• netsockasyncevent: cancel async event on sock*_close() (#21180)
• sys/net/gcoap: remove deprecated gcoapreqsend_tl() (#21385)
• sys/net/ipv6: use markdown links in doc (#21356)

Packages

• Pkg/ccn-lite: use latest ccn-lite commit (#21279)
• pkg/drivercryptocell310: allow data to be in ROM on hash update (#21214)
• pkg/drivercryptocell310: check for input data to be in RAM (#21138)
• pkg/esp32sdk: Fix broken `rtcio.hdeclaration and prevent sys/uio.h` inclusion outside RIOT (#21408)

Boards

• boards/seeedstudio-xiao-esp32c3: Add support for Seeed Studio ESP32C3 Xiao (#21267)
• boards/feather-nrf52840*: add external flash configuration (#21324)
• boards/nucleo-f722ze: add ADC support (#21233)
• boards/nucleo-wl55jc: add ADC configuration (#21235)
• boards/nucleo64: Add Compile Warning about LED0 when using SPI (#21338)
• boards/seeedstudio-xiao-nrf52840-sense: Add Initial Support (#21332)
• boards: introduce stdio_default (#21294)
• boards: introduce board alias and make native default to host target (#21242)
• Buildsystem: Introduce Global Makefiles for boards Directory (#21327)
• cpu/sam4s: add initial support with SAM4S-XPRO board (#21201)
• boards/common: Make Adafruit nRF52 Bootloader shared (#21281)
• boards/feather-nrf52840: rename to adafruit-feather-nrf52840- (#21349)
• boards/nrf6310: Remove nRF6310 board from RIOT (#20966)
• boards/seeedstudio-xiao-nrf52840: initial board support (#20980)

CPU

• core: add stdio.h to replace stdout functions with stdio_null (#20872)
• cpu/native: Gardening/QoL (#21283)
• cpu/nrf5*: mark and resolve radio conflict (#21250)
• cpu/nrf52/radio/nrf802154: fix beacon acceptance (#20982)
• cpu/sam0_common/flashpage: disable interrupts while writing (#21326)
• cpu/sam0_eth: fix hang with broken PHY (#21172)
• cpu/sam3: fix hwrng peripheral register access (#21177)
• cpu/sam3: optimize gpio ISR processing (#21179)
• cpu/samd5x: improve can-initialization (#21173)
• cpu/stm32{f0,g0,c0}: fix ADC initialization sequence (#21230)
• dist/tools/esptools: Upgrade the ESP32 toolchain to GCC v14.2, GDB v14.2 and OpenOCD v0.12 (#21144)
• {cpu/sam0common/sam0sdhc,drivers/mtd}: do not allocate work_area twice (#21169)

Device Drivers

• drivers/periphtimer: add `timergetclosestfreq()` (#20581)
• drivers/sen5x: Add device driver for SEN5x (#19955)
• drivers/tm1637: add driver and tests for tm1637 7-segment display (#21112)
• driver/sen5x: Small Fixups (#21392)
• drivers/at: atreadlinestopatstr fix remaining buffer length (#21195)
• drivers/sdmmc/sdmmc_sdhc: remove DMA check (#21260)
• drivers/{mtd_sdmmc,sdmmc}: reinit card (#21305)

Documentation

• add *.doc.md to doxygen sources (#21319)
• boards/nrf52840{dk,dongle}: add MCU table, move to doc.md (#21271)
• boards/nucleo-f413zh: add MCU table, move to doc.md (#21264)
• dist/tools: Add Doxygen as a Tool for CI (#21300)
• doc, buildsystem: Add a Version Check for Doxygen, Fix doc* Target Execution (#21277)
• doc/managing-a-release: add looking out for release tests to preps (#21368)
• doc: add psutil requirement to Getting Started (#21399)
• boards/arduino-due: update doc.txt (#21207)
• boards/nucleo-144: rename doc.txt to doc.md (#21318)
• boards/nucleo-f746zg: board doc update (#21310)
• boards/rpi-pico*: Update and fix documentation and image (#21218)
• build-system: Drop -Wno-error=documentation (#21377)
• doc/porting-boards: Change example doc.txt to doc.md (#21257)
• doc: doc.txt -> doc.md (#21255)
• doc: hack to hide doc.md files until doxygen gets fixed (#21273)
• doc: remove and replace deprecated mailing lists (#21285)
• doc: Use the correct Doxygen Logo File Type in the Footer (#21274)
• docs/rust: Install c2rust with --locked (#21236)
• docs: Switch out pkg reference link (#21229)
• sys/cord/doc.txt: Update additional references to RFC 9176 (#21159)
• sys/malloc_monitor: Fix documentation (#21225)
• sys/psa_crypto/doc: correctly end code block (#21380)
• treewide: fix double the in doc and comments (#21224)
• treewide: fix example references in docs (#21212)
• CODING_CONVENTION.md: migrate to #pragma once (#21369)

Build System / Tooling

• buildsystem: Enable -Wdocumentation for LLVM (#21358)
• dist/tools: add #pragma once to headerguard check (#21367)
• buildsystem: Remove buildtest Goal & Fix info-buildsizes-diff (#21359)
• dist/tools/bmp: additional improvements to auto-detection (#21128)
• dist: tools: avoid hanging tapsetup in the absence of a DHCP server (#20411)
• Makefile.include: perform checks for all relevant targets (#21199)
• makefiles: bump riotdocker (#21258)
• makefiles: colorize board alias warning (#21352)
• makefiles: fix output of info-applications (#21213)
• tools: Use RIOT maintained cosy (#21070)

Examples

• examples: restructure examples folder (#21135)
• examples: shorten subfolders' names (#21221)
• Configure default DNS resolver in 6lbr example (#21117)
• examples/nanocoap_server: enable LWIP IPv4 (#21333)
• examples: migrate to XFA SHELL_COMMAND (#21171)
• examples: update dtls-echo source (#21247)
• examples/gnrcborderrouter: Request temporary address (IA_NA) for the 6lbr example (#21118)

Testing

• tests/bench/runtimecoreapis: add clistsort() benchmark (#21403)
• tests/pkg/relic: add Paillier encryption tests (#21301)
• .github/labeler: recognize boards/common/native as native (#21351)
• test/pkg/relic: increase stacksize for paillier encryption (#21306)
• tests/adc: always test all resolutions (#21223)
• tests/drivers/candev: minor cleanup (#21175)
• tests/nanocoap_cli: allow to build with lwIP (#21314)
• tests/sys/suit_manifest: remove unnecessary custom native board (#21248)
• tests/test-rtc: test retrieval of unix-time (#20031)
• tests/unittests: test parsing of out-of-bounds CoAP opt (#21167)

API Changes

• can: add CAN FD support to STM32G4 and native architecture (#20428)
• cpu/samd5x: add enable pin to CAN configuration (#21287)
• drivers/periph_uart: document acquire/release semantic (#20624)

And 22 minor changes.

Deprecations

Deprecations (1)

• gnrc/ipv6/nib: make CONFIG_GNRC_IPV6_STATIC_LLADDR_IS_FIXED the default & deprecate it (#21157)

Bug fixes (28)

• LOSTANDFOUND.md: add missing URL, fix Markdown typo (#21154)
• boards/feather-m0*: Update Default Bootloader to UF2 (#21280)
• buildsystem: Fix boards/Makefile.features Inclusion (#21334)
• buildsystem: Fix Supported Board List in info-build (#21361)
• buildsystem: Set term Goal to NOTPARALLEL (#21354)
• cpu/esp32: fix buswidth in periphsdmmc (#21259)
• cpu/esp32: Fixes of compile problems with GCC 14.2 (#21245)
• cpu/esp_common: create partitions.csv more robustly (#21185)
• cpu/native: use async read for stdio_read() (#19002)
• cpu/sam3: fix PMC enable/disable peripheral clock access (#21168)
• cpu/samd5x/periph_can: fix RX (#21181)
• cpu/stm32: Make ADC Resolution Definition uniform (#20971)
• cpu/stm32{f3,l4,wb,wl}: Replace ztimer with busy_wait, fix VBat sampling time and {wl only} fix initialization sequence (#21238)
• doc: fix image references for ESP32x boards (#21204)
• drivers/periph_{i2c,spi}: fix doc on initialization (#21188)
• examples/default: fix dependency modeling (#21191)
• examples/suit_update: fix compilation for native backport 2025.04
• gnrc_sock/udp: zero-init sock struct on create (#21363)
• pkg/nimble: Fix compilation with USEMODULE += nimble_svc_bas (#21200)
• pyterm: send SIGINT to the subprocess' child (#21309)
• socket_zep: properly implement the radio HAL (#19213)
• sys/can: fix compilation issues under native (#21388)
• sys/net/nanocoap: align request handling with spec (#21163)
• sys/net/nanocoap: drop typedef hack v2
• sys/net/nanocoap: fix API inconsistency (#21241)
• sys/net/nanocoap: fix dereferencing a null pointer (#21227)
• tree wide: various doc fixes (#21357)
• tree-wide: mixed back of documentation fixes (#21371)

Known issues

Network related issues (55)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (6)

• misc issues with tests/trickle (#9052)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (11)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• ztimer doesn't wake up on native if the pm_layered module is used (#21083)

Other platforms related issues (13)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)

Build system related issues (5)

• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)

Other issues (70)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [Tracking] Fix failures of test-on-iotlab (#20791)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doxygen: CSS hack to hide doc breaks on older browsers (#21312)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C Crashes Kernel on Raspberry Pi Pico (#21187)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• sys/usb/usbus/cdc/ecm: interface thread blocked when connected host interface is down (#21098)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/lvgl: compilation error for BOARD=samr21-xpro (#21446)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 164 known issues in this release

Fixed Issues since the last release (2025.01)

• buildsystem: make distclean does not clean dist/... (#21409)
• native: Exiting pyterm does not terminate the native process any more (#21307)
• Buildsystem: Makefile of Common Board Directories never called without adding DIRS (#21298)
• Build System: make -C path/path doc fails in Base Folder (#21278)
• dist/tools/uf2: Flashing a board with RIOT seems to prevent flashing other UF2 files afterwards (#21205)
• build system: race condition when building and running an app for native (#20948)
• feather-m0: make flash reports "device unsupported" (#17722)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• native getchar is blocking RIOT (#16834)
• border_router: significant packet loss when sending out packets using USB cdc-ecm on nrf52 (#16411)
• buildtest uses wrong build directory (#9742)
• MSP430: periph_timer clock config wrong (#8251)

12 fixed issues since last release (2025.01)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by mguetschow 10 months ago

riot - Release-2025.01

RIOT-2025.01 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2025.01 release includes:

More work done to update the legacy netdev API to its new version new_netdev_api (#20978, #21012, #21015, #21016, #21020, #21028, #21091, #20991). This means that if you are still using the legacy netdev API, start thinking about updating!

We documented the community processes in a GOVERNANCE.md file. This new file now clearly states all previously undocumented community procedures and governance, and defines community roles, to further our goals of openness and transparency within the community.

We also added the same51-curiosity-nano board along with some configuration improvements "across the board" :wink:.

144 pull requests, composed of 280 commits, have been merged since the last release, and 0 issues have been solved. 32 people contributed with code in 65 days. 665 files have been touched with 75661 (+) insertions and 6329 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/cib: add const to cib_peek() (#21130)
• core/mutex: add mutex_init_locked() (#20954)

System Libraries

• sys/posix/pthread: Add pthreadattrgetstack and pthreadattrsetstack (#20934)
• sys/stdio_nimble: add version note to README (#21085)
• sys/stdiouart: add stdioclear_stdin (#19837)
• suit: move CoAP endpoints to the example (#21045)
• sys/chunked_ringbuffer: discard stale chunk when starting a new one (#21073)
• sys/psa_crypto: split algorithm definitions (#20906)
• sys/psa_crypto: Update key headers (#21046)
• sys/psa_crypto: one-shot Chacha20 support (#20720)
• sys/shell: cmds_json builtin command (#20964)
• sys/shell: reduce overhead of XFA shell commands (#20958)
• sys/stdio: stdio_available is always false with missing stdin module (#21040)
• sys/usb: Use luid_base for stable USB serials (#20944)
• sys/usbcdcacm_stdio: only submit and flush for non-empty buffer (#20986)
• treewide: Update Rust dependencies, adding SPI and UART support (#21133)
• usbus/cdcecm: port to netdevnew_api (#21028)

Networking

• gnrc/ipv6autosubnets: add option to derive subnet prefix from EUI (#21080)
• sys/event: add assertion that event has a handler (#20847)
• sys/net/gnrcpktbufstatic: add double free detection (#20974)
• gnrcnetif: netdevnew_api implies TX end irq, no need to check it (#20993)
• nanocoap/sock: re-try if wrong block was received (#20952)
• sys/net/gcoap: get rid of API abuse (#21125)
• sys/net/gcoap: reduce insanity of hack (#20945)
• sys/net/gnrc_pktbuf: detect use after free if canary is in metadata (#21000)
• sys/net/nanocoap: flush stale responses before sending request (#21122)
• sys: net: dns: use Quad9 resolver (#21120)

Packages

• Feature/wakaama update on new version (#20930)
• pkg/relic: bump version to 0.7.0 (#21134)

Boards

• boards/same51-curiosity-nano: add support for the board (#21111)
• cpu/saml21: add compatibility headers for vendor files migration (#20850)
• feather-nrf52840: add config for NeoPixel LED (#21017)
• saul: initial import of saulbatvoltage module (#21018)
• Arduino support layer: several fixes (#21039)
• boards/adafruit-metro-m4-express: Minor improvements (#21041)
• boards/nrf52*dk: Enable Pinreset after Flashing (#20965)
• cpu/nRF52: Always recover Device before Flashing (#20970)
• makefiles/serial: better MOSTRECENTPORT=1 for CDC ACM (#20951)

CPU

• dist/tools/esptools: add support for installing esp8266 toolchain (#21094)
• sys/stringutils: add stringwriter helper (#20843)
• cpu/cc2538: use RX FIFO count to determine CRC OK location (#20956)
• cpu/cortexm_common: Make cpu.h IWYU clean (#21050)
• cpu/esp32/stdiousbserial_jtag: Fix to ESP32 stdio usb serial hanging if it receives data too quickly (#20972)
• cpu/sam0_common: flashpage: disable cache while writing (#21043)
• netdevtap: port to `netdevnew_api` (#21015)

Device Drivers

• drivers/atwinc15x0: port to netdev_new_api (#21020)
• drivers/dose: fix poweroff (#21074)
• drivers/dose: port to netdevnewapi (#20991)
• drivers/ethos: port to netdevnewapi (#21016)
• drivers/periph_init: initialize watchdog first (#21025)
• drivers/slipdev: implement NETDEVEVENTTX_COMPLETE event (#20975)
• drivers/slipdev: port to netdevnewapi (#20978)
• drivers/ws281x: esp32 neopixel driver to set the rmt symbol high/low lengths at init instead of every write (#21068)

Documentation

• boards/nucleo-l073rz: add MCU table to doc page (#21102)
• boards/nucleo-l433rc: add pinout to documentation page (#20947)
• examples: add TCP echo server & client from documentation (#16739)
• pkg/u8g2: add to the displays doc group (#20953)
• README.md: add references to related projects (#21052)
• README.md: add Section Collaboration (#21078)
• doc: Improvements around Code of Conduct (#21071)
• doc: move "managing a release" from wiki (#21065)
• MAINTAINING.md/doc: move links from wiki to doc (#21066)
• sys/net/app/cord: update doc (#20921)
• GOVERNANCE.md: remove “Community Processes” in favor of “GOVERNANCE.md” (#21067)
• CODING_CONVENTIONS.md: bump minimum Python version (#21124)
• MAINTAINING.md: point to new auto-generated maintainer list (#21069)
• README: Rephrase forum into more generic help (#20413)

Build System / Tooling

• Examples: Add proper Table of Contents (#20957)
• Build system: support for application subfolders (#20024)
• checkinreadme.sh: tell dev which README.md (#21044)
• dist/tools/bmp: improve compatibility (#21107)
• makefiles: select default prng after recursive dependency resolution (#21060)

Testing

• sys/ztimer: mention ztimerautoadjust in relevant places (#21003)
• tests/build_system/xfa: improve test coverage (#20959)
• tests/core/cond_order/: calling cond signal and broadcast without waiting threads (#21030)
• tests/core/thread_msg: lower thread priority for consistent output order (#20989)
• tests/cpu/mpu*: exclude boards using highlevel_stdio (#20990)
• tests/net/nanocoap_cli: make use of XFA for shell commands (#20961)
• tests/periph/uart: minor improvements (#21009)
• tests/sys/events: test if eventtimeoutis_pending returns false (#21032)
• tests/sys/shell: skip reboot for boards using highlevel_stdio (#20988)
• tests/sys/shell: use default terminal instead of socat (#21058)

API Changes

• CODING_CONVENTIONS.md: Add IWYU policy (#20570)
• sys/net/nanocoap: add and use coapgetresponsehdrlen() (#20950)
• drivers/netdev: revise return values of .confirm_send() (#20995)
• drivers/periphgpio: let gpioread() return bool (#20936)
• netdevnewapi: allow .send() to return > 0 to signal synchronos send (#21012)
• sys/fido2: follow up continued (#18663)
• sys/luid: luid_custom() use fixed width int (#20943)

Uncategorized

• .clang-format: Set ColumnLimit to 0 (#20963)

And 20 minor changes.

Bug fixes (33)

• core/msg: re-enable IRQs before printing for highlevel_stdio (#21047)
• cpu/samd5x/periph_can: fix RX (#21184)
• cpu/sam0common/periphadc: add work around for errata 2.1.6 (#20994)
• boards/stm32f429i-disc1: fix touch screen axis (#21007)
• boards/wemos-zero: fix Arduio I/O Map (#21004)
• build system: error on conflicting features (#21013)
• build_system/xfa: change API to fix alignment (#20960)
• core/sched.c: fix runqueuepop() removing wrong thread (#20938)
• cpu/cc2538: mask length byte before checking CRC (#20998)
• cpu/sam0common/periphgpioll: fix gpiogetport() and gpiollqueryconf() (#20999)
• cpu/stm32/eth: fix and improve ETH defines (#21072)
• cpu/stm32/periph/timer: prevent spurious IRQs (#20926)
• cpu/stm32l0,l1: Fix ADC initialization order (#21011)
• dist/tools/esptool: fix the all target (#21129)
• doxygen/Makefile: fix make latex and make clean (#21090)
• drivers/at86rf215: return ENETDOWN when interface is down (#21031)
• gcoap/forward_proxy: handle timeout case (#20915)
• gnrcnetif: fix double free with netdevnewapi & gnrcnetif_pktq (#20976)
• gnrcnetif: fix packet leak with gnrcnetifpktq & netdevnew_api (#20983)
• gnrcnetif: fix timeout in `gnrcnetifipv6waitforglobal_address()` (#21137)
• pkg/lwip: fix adaption to API change of netdevnewapi (#21091)
• pkg/wakaama/client_connection: destroy unused DTLS sessions (#21035)
• pkg/wakaama: Fix usages of lwm2m_uri_t and ISPO sensor (#21034)
• sys/event: fix race in eventwaitmulti() (#21092)
• sys/net/gnrc/tcp: fix gnrctcpopen() netif handling (#20977)
• sys/net/nanocoap: fix coap_build_reply_header() (#20949)
• sys/net/nanocoap: fix buffer overflow in separate response handling (#21075)
• sys/net/nanocoap: fix coapgettotalhdrlen() (#20946)
• sys/net/nanocoap: Fix sending bogus separate responses (#21076)
• sys/ztimer: implement ztimermboxgettimeout() and use it to fix race in gnrcsock_recv() (#21113)
• tests/periph/selftestshield: fix invalid calls to timerinit() + GPIO IRQ tests (#21006)
• tests/periph/selftest_shield: Fix UART test (#21042)
• tests/sys/shell: improve test automation (#21114)
• tests/sys/shell: make test script more robust (#21036)
• tests/sys/ztimermboxget_timeout: Fix flakiness (#21127)

Known issues

Network related issues (55)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (11)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (5)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• ztimer doesn't wake up on native if the pm_layered module is used (#21083)

Other platforms related issues (13)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)

Build system related issues (6)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)

Other issues (70)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [Tracking] Fix failures of test-on-iotlab (#20791)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• build system: race condition when building and running an app for native (#20948)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• sys/usb/usbus/cdc/ecm: interface thread blocked when connected host interface is down (#21098)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 167 known issues in this release

Fixed Issues since the last release (2024.10)

• cpu/nrf52: Add Make Option to Enable Pinreset (#20775)

1 fixed issues since last release (2024.10)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by MrKevinWeiss about 1 year ago

riot - Release-2024.10

RIOT-2024.10 "FlexTape" - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

Highlights of the 2024.10 release:

This release fixes some long-standing packet buffer leaks that occurred when using gnrc_netif_pktq and 6LoWPAN or netdev_new_api (#20983, #20834).

A long standing-bug in the CC2538 radio driver has been fixed when processing corrupted frames, that before could render the device unresponsive. This can be triggered due to radio interference, but we also believe that an attacker within range of the radio could send crafted frames to reliably trigger the issue. We therefore consider this a denial of service vulnerability and advise all users of the CC2538 to upgrade to 2024.10 or cherry-pick 1b61216da734fcd40ae0d832b800e4e67975bdc8. More details are published in the security advisory.

With SUIT it is now easier to accept firmwares signed with different keys, e.g., a node build and signed with a development key can be configured to accept images signed with either the development key or the production key (#21019). The public keys are now also stored on the developer's machine, so if a encrypted private key is used, you don't need the decryption password to build a firmware, only for signing it (#20862).

THREAD_CREATE_STACKTEST is now the default when DEVELHELP is used.

This release saw the addition of the adafruit-metro-m4-express board.

129 pull requests, composed of 255 commits, have been merged since the last release, and 5 issues have been solved. 29 people contributed with code in 119 days. 502 files have been touched with 142126 (+) insertions and 1896 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

System Libraries

• Rust: Add make cargo-command and refactoring around it (#20828)
• static_tests: Add test for Rust code formatting rules (#20887)
• sys/event: add API to start periodic event without initial delay (#20911)
• sys/event: add event_sync() (#20916)
• event/timeout: eventtimeoutset() enqueues immediately if timeout is zero (#20870)
• examples/rust: Update CoAP example modules (#20821)
• Rust: Update to riot-wrappers 0.9 (#20829)

Networking

• drivers: Add shield_llcc68 module (#20885)
• nib.c: add interface selection rules for static link local address assignment (#20784)
• sys/event: add assertion that event has a handler (#20847)
• sys/net/applicationlayer/nanocoap: add `nanocoapsockgetnon()` (#20852)
• tests/net: add stub test for gcoapforwardproxy (#20909)
• gcoap: Avoid reading beyond defined input buffer (#20549)
• gnrc/ipv6/nib: don't queue packets on 6lo neighbors and drop/flush if… (#20834)
• gnrcipv6nib: Force unspecified next hop addresses (#20371)
• gnrcsixlowpanfrag: enable gnrc_netif_pktq if netdev_new_api is used (#20879)
• net/dhcpv6: Improve option handling in dhcpv6 advertise (#20801)

Packages

• pkg/emlearn: bump version to 0.17.1 (#20347)
• pkg/littlefs: make use of RIOT's log module instead of pkg provided macros (#20894)
• pkg/lvgl: Increase default LVMEMSIZE for 64 bit and enable tests for native64 (#20846)
• pkg/nanocbor - upgrade to last version (#20813)
• pkg/wamr : updated wamr version to v2.1.1 (#20795)

Boards

• boards/adafruit-grand-central-m4-express: provide arduino features (#20904)
• boards/adafruit-metro-m4-express: initial port (#20912)
• boards/nucleo-f439zi: add ADC support (#20814)
• boards/nucleo-g474re: add MCU table (#20851)
• boards/nucleo64: add pinout source (#20931)
• boards/stm32l476g-disco: add ADC support (#20793)
• boards/stm32l476g-disco: add PWM support (#20807)
• boards/ek-lm4f120x: Change internal LED macro for C2Rust compatibility (#20831)
• boards/nucleo-l432kc: enable CAN support (#20845)

CPU

• core/thread: always use THREADCREATESTACKTEST when DEVELHELP is enabled (#20450)
• cpu/cc2538: mask length byte before checking CRC (#21038)
• cpu/esp32: Improve error descriptions (#20914)
• cpu/msp430: Implement periphgpioll & periphgpioll_irq (#20679)
• cpu/nrf52: fix RSSI calculation in nrf802154_radio (#20839)
• cpu/sam0_common/periph: fix rtt reset after hibernation (#20842)
• drivers/periph/gpio: make gpio_write() take a bool (#20935)

Device Drivers

• drivers/dht: fix null deref with saul (#20927)
• drivers/led: Allow LEDn_ON to be disabled by other modules (#20833)

Documentation

• CODING_CONVENTIONS.md: Add preprocessor directive formatting (#20866)
• boards/nucleo-g070rb & g071rb: add pinouts to documentation (#20822)
• boards/nucleo-g070rb: add MCU table to doc page (#20825)
• boards/nucleo-g071rb: add MCU table to doc page (#20827)
• boards/nucleo-g431rb & g474re: add pinouts to boards doc page (#20832)
• boards/nucleo-g431rb: add MCU table to documentation (#20848)
• boards/stm32l476g-disco: add pinout to documentation page (#20808)
• riot.doxyfile: Update and remove deprecated options (#20897)
• boards/nucleo-l053r8: MCU table addition to doc page (#20804)
• boards/stm32l0538-disco: addition of pinout to documentation page (#20810)
• build system: document riotbuild.h and deprecated RIOT_MCU (#20566)
• doc/doxygen: print link to generated documentation (#20896)
• doc: Point out common problem installing c2rust (#20844)
• sys/net/app/cord: update doc (#20921)

Build System / Tooling

• Makefile: add .DEFAULT target to further guide new users (#20895)
• .clang-format: Add default clang-format configuration (#20865)
• CI: fix true and false positives by newer codespell version (#20899)
• dist/tools/bootterm: bump to 0.5 (#20871)
• dist/tools/cosy: take BUILD_DIR into account (#20789)
• make: export DEVELHELP (#20889)
• makefiles/arch/native: don't be pedantic (#20873)
• makefiles/suit: make use of SUIT_SEC_PASSWORD optional (#20862)
• makefiles/suit: store public keys, make it easier to work with multiple keys (#20858)
• makefiles/docker.inc.mk: bump riotbuild docker image to last available (#20840)
• gh-actions: bump deprecated packages (#20892)

Examples

• examples: Add asynchronous Rust example (#20830)
• examples/leds_shell: add example for interactive LEDs/GPIO control (#20782)
• examples/gcoap-rust: Expose more functionality (#20838)
• examples/ledsshell: use periphgpio_mock on native (#20796)

Testing

• tests/pkg/emlearn: add model.h to repo (#20841)
• tests/gnrcipv6nib: rtr_ltime test (#20372)

API Changes

• cpu/stm32: implement periph_gpio_ll_switch_dir (#20805)
• drivers/periphgpio: let gpioread() return bool (#20936)
• drivers/periphgpioll: change API to access GPIO ports (#20639)

And 26 minor changes.

Deprecations

Removals (1)

• sys/ztimer: Remove the deprecated ztimer_now64 (#20826)

Bug fixes (27)

• boards/common/arduino-zero: Add Arudino SPI mapping (#20884)
• cpu/native/periph_timer: add missing -lrt to linker flags (#20816)
• cpu/sam0common/periphadc: add work around for errata 2.1.6 (#21001)
• bluetil: Ensure advertisement length does not exceed pkt len (#20881)
• boards/samd5x: GCLK source for ADC must not exceed 100 MHz (#20932)
• boards/stm32f429i-disc1: fix touch screen axis (#21014)
• build system: simplify docker image pinning (#20877)
• core/mutex: use threadyieldhigher() in mutex_unlock() (#20890)
• core/panic: don't use LOG_ functions in panic handler (#20790)
• cpu/sam0common/periphgpioll: fix gpiogetport() and gpiollqueryconf() (#21008)
• dnsmsg: skip RDLENGTHLENGTH field when skipping record (#20857)
• drivers/at86rf215: return ENETDOWN when interface is down (#21037)
• examples/lorawan: drop crazy STM32 hack (#20883)
• gcoap/forward_proxy: handle timeout case (#20915)
• gh-actions: bump upload-artifact to v4 (#20875)
• gnrc/ipv6: nib route: hide off-link PLEs (#20835)
• gnrc/ipv6: Store all SLAAC prefixes (#20757)
• gnrc_lorawan: Ensure minimal packet length (#20880)
• gnrcnetif: fix double free with netdevnewapi & gnrcnetif_pktq (#20979)
• gnrcnetif: fix packet leak with gnrcnetifpktq & netdevnew_api (#20997)
• nanocoap: always write at least 1 byte in coapblock2finish() (#20855)
• net/dhcpv6: Improve option parsing in dhcpv6 advertise (#20882)
• sys/net/application_layer/gcoap: fix Observe notifications correlation (#20684)
• sys/net/nanocoap: fix UB when building hdr (#20917)
• sys/usbcdcacm_stdio: only submit and flush for non-empty buffer (#20987)
• sys/ztimer: fix re-scheduling of timers (#20924)
• Various PSA Crypto fixes (#20854)

Known issues

Network related issues (55)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (11)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (13)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)

Build system related issues (6)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)

Other issues (69)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [Tracking] Fix failures of test-on-iotlab (#20791)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• build system: race condition when building and running an app for native (#20948)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 165 known issues in this release

Fixed Issues since the last release (2024.07)

• #20472 probably broke macOS docker build (#20853)
• (cortex-m) unexpected kernel panic after thread exit (#20812)
• gcoap_fileserver: can't deal with 16 byte block size (#20686)
• dnsmsgparse_reply() fails for response from DNS64 service (#20355)
• drivers/srf04: incorrect values on ATmega based platforms (#13079)
• gnrcnetifpktq leaks memory (#17924)

5 fixed issues since last release (2024.07)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by benpicco about 1 year ago

riot - Release-2024.07

RIOT-2024.07 "StrikinglyCrowded" - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2024.07 release, nicknamed "StrikinglyCrowded", includes many features and bug fixes. Here are some of the highlights:

• RIOT now boots on the Arduino Nano 33 BLE Sense (#20668)
• To support boards with Ethernet plugs such as the Adafruit Ethernet FeatherWing, RIOT now ships a driver for the W5500 ethernet chip (#20301)
• RIOT now leverages the ARMv8-M hardware support to enforce the stack size (#20633)
• The PSA Crypto API implementation in RIOT now supports persistent key storage and additional hashing algorithms (#20099, #20598, #20698)
• This release features several useful additions to the RIOT CoAP stacks: a coaps forward proxy for gcoap, delayed responses for nanocoap_sock, and the ability to mount a remote filesystem over CoAP (#20454, #20266, #20687)
• Support of the 16-bit MSP430 MCU has been improving over the last few releases, with the addition of power management in this release as an example (#20613)
• First steps towards enabling RIOT support of new Microchip SAM MCUs (#20708, #20710, #20713, #20714)
• Compiling with BUILD_IN_DOCKER=1 will now by default use the exact container version the code was tested in the CI, fetching it from upstream if not locally present. (#20472)

175 pull requests, composed of 358 commits, have been merged since the last release, and 5 issues have been solved. 36 people contributed with code in 80 days. 650 files have been touched with 88156 (+) insertions and 3949 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/assert: halt running thread instead of panic (#20627)
• core/lib/assert: consistify output and cleanup documentation (#20701)
• core/panic: make reboot on panic configurable (#20630)
• core/thread: "fix" valgrind errors in threadmeasurestack_free() (#20726)

System Libraries

• sys/event.h: Fixed documentation error by adding a type cast. (#20704)
• sys/shell: add support for running a batch of commands from a file (#20651)
• rust: bump rust-riot-{sys,wrappers} version (#20786)
• shell/vfs: Handle print failure in genfile cmd gracefully (#20595)
• sys/hashes: change SHA2 PAD type to const (#20729)
• sys/psa_crypto: ed25519 private key {ex,im}port (#20334)
• sys/psa_crypto: Implement persistent key storage (#20099)
• sys/psa_crypto: remove keysize determination from Kconfig files (#20674)
• sys/psa_crypto: SHA-{384,512/{224,256}} (#20598)
• sys/psa_crypto: sha3 support (#20698)
• sys/shell: Update cryptoauthlib shell commands (#20673)
• sys/vfs: use atomic_utils rather C11 atomics (#20513)

Networking

• gcoap: add coaps forward proxy (#20454)
• gnrc, nanocoap: add optional work-arounds for buggy CoAP servers (#20564)
• nanocoap_fs: add nanoCoAP as VFS backend (remote CoAP fs) (#20687)
• nanocoapsock: add nanocoapgetblockwiseto_buf() (#20690)
• nanocoap_sock: implement separate response (#20266)
• driver/w5500: driver for the W5500 ethernet chip (#20301)
• examples/gcoap: take full URI as input (#20554)
• gnrc/ipv6: Check for overflow (#20771)
• l2filter: mark module and related netopt options as experimental (#20634)
• pkg/lwip: use sys/event for handling ISR and bhp (#18359)

Packages

• pkg/tflite-micro: add proper options to flatc (#20703)
• pkg/wakaama: implement IPSO sensor objects in LwM2M (#20652)
• pkg/wamr: Added support for THUMB_VFP in wamr Makefile (#20628)
• Makefile.include: creation of CACHEDIR.TAG as a dependency of pkg- prepare (#20689)
• pkg/littlefs2: bump to v2.9.2 (#20591)
• pkg/tflite-micro: Update tflite-micro to latest version. requires update of pkg/flatbuffers as well. (#20683)
• pkg/wamr: updated package to WAMR 1.3.3 (#20691)

Boards

• boards/arduino-nano-33-ble-sense: add support for arduino- nano-33-ble-sense (#20668)
• boards/b-l072z-lrwan1: add missing adc feature (#20733)
• boards/nucleo-f303ze: add pinout (#20717)
• boards/nucleo-l452re: add ADC (#20778)
• boards/sodaq-sara-sff: add status pin for SARA (#20279)
• cpu/stm32: add ADC support for WB55 (#20773)
• drivers/led: add LED_NUMOF and convenience inline functions (#20783)
• drivers/ws281x: Add saul support (#20562)
• boards/common/stm32: simplify ifdef logic (#20617)
• boards/nRF52xx: correctly set JLINK_DEVICE (#20599)
• boards/nucleo-l476rg & stm32l476g-disco: fix MCU table (#20751)
• boards/stm32l0538-disco: enable cpy2remed (#20766)
• boards/stm32l476g-disco: enable cpy2remed (#20734)
• build system: clean up netif features (#20700)
• cpu/{gd32v,stm32}/periph/adc: make ADC clock setable (#19630)

CPU

• cpu/cortexm: add stack limit support for Cortex-M33 (#20633)
• cpu/cortexm: rework bkpt instruction call on panic (#20616)
• cpu/cortexm_common: print last active thread on stack corruption (#20709)
• cpu/esp: Handle format print errors (#20596)
• cpu/msp430: implement power management (#20613)
• cpu/nrf5x: implement pm_off() for nRF53/9160 (#20590)
• cpu/nrf5x_common: fix ztimer issue on warm-boot (#20665)
• cpu/nrf5x_common: properly calibrate RC-based low-frequency clock (#20669)
• cpu/sam0: Remove deprecated muxpos (#20525)
• cpu/sam0_common: avoid bitfield usage (#20747)
• cpu/samd21: avoid the use of bitfield (#20713)
• cpu/samd5x: avoid the use of bitfields (#20714)
• cpu/samd5x: handle CAN errors (#20667)
• cpu/saml1x: avoid the use of bitfield in register calls (#20710)
• cpu/saml21: avoid the use of bitfield in register call (#20708)
• cpu/stm32/periph/stm32eth: provide confirmsend (#18428)
• cpu/stm32: de-duplicate ifdefs (#20609)
• periph/flashpage: remove deprecated flashpage*free functions (#18093)
• pkg/lwip: make use of confirm send (#18427)
• Remove extraneous bitwise assignment operation on NRF5X_common gpio.c (#20737)
• sam0eth: implement .confirmsend() to fix fragmented sending (#20666)
• tree wide: compilation fixes for native64 on musl systems (#20730)

Device Drivers

• drivers/at24cxxx: Add M24C01 device and enhance documentation (#20588)
• drivers/led: add LEDXISPRESENT defines (#20637)
• drivers/mtd: Add check for integer overflow (#20587)
• Drivers: add MAX31855 thermocouple-to-digital converter (#20741)
• drivers/at86rf215: port to new netdev API (#20672)
• drivers/at: expose some internal API (#20702)

Documentation

• boards/nucleo-c031c6: add pinout to doc (#20657)
• boards/nucleo-l452re: add pinout to doc page (#20678)
• boards/nucleo-l4r5zi and l496zg: add pinout to documentation page (#20707)
• boards/nucleo144: add pinout diagrams to boards documentation (#20614)
• doc/getting-started: add hint for correct access rights on serial device (#20600)
• doc/terminals: add putty and sort terminals (#20611)
• /README.md: match doc (#20740)
• boards/doc: Adafruit Feather nRF52840 Sense is popular (#20597)
• boards/nucleo-f429zi & f439zi: documentation improvements (#20594)
• boards/nucleo-f722ze: doc update (#20671)
• boards/stm32l0538-disco: doc improvements (#20767)
• boards: Update SAM0-based documentation (#20621)
• doc: fix links to GNRC master thesis (#20785)
• doc/doxygen: remove default value for search form (#20681)

Build System / Tooling

• .editorconfig: add EditorConfig (#20746)
• pkg: Add script to check third party package version (#20662)
• tools/dhcpv6-pd_ia: fix: Add explicit subnet id (#20776)
• dist/tools/buildsystemsanitycheck: make shellcheck happy (#20721)
• dist/tools/tapsetup: make compatible with doas (#20712)
• Makefile.include: place compile_commands.json by rule target (#20716)
• makefiles/docker.inc.mk: Pin riotbuild version with BUILDINDOCKER=1 (#20472)
• makefiles/docker: prevent recursive docker invocation (#20638)
• makefiles/tools/serial.inc.mk: make use of pyterm session names (#20121)
• makesfiles/jlink: fix exports for flashing (#20779)
• tree-wide: Introduce netif feature and use it (#20682)

Examples

• examples/psa_crypto: pass environment variable down to docker (#20663)

Testing

• tests/drivers/at: add check if device is initialized before sending command (#20140)
• check-labels.yml: bump to v1.1.2 (#20727)
• ci: disable esp32-wroom-32 tests (#20715)
• release-tests.yaml: remove (always failing) matrix notification (#20742)
• test/sys/progress_bar: temporary printout to debug flaky test (#20763)
• tests/drivers/pn532: fix init error handling and increase verbosity (#20750)
• tests/sys/progress_bar: move configuration to app.config (#20764)
• tests/sys/progress_bar: remove debug print (#20768)
• tests/sys/psa_crypto*: remove test symlinks (#20545)
• tests/sys/psa_crypto: increase timeout (#20612)
• tests/sys/psa_crypto: test interleaved hash operations (#20606)
• tests/sys/psacryptoecdsa: fix stacksize determination (#20760)

API Changes

• build system: rename ethernet feature into netif_ethernet (#20694)
• cpu/native: fix build with musl (#18942)
• pkg/monocypher: bump to 4.0.2 (#20670)

And 32 minor changes.

Deprecations (1)

• boards/waspmote-pro: deprecate board (#20649)

Bug fixes (22)

• build system: add netif_openwsn feature (#20695)
• makefiles: add OPENOCDDEBUGADAPTER and SLOTAUXLEN to riotboot build environment (#20752)
• cpu/esp*: fix compilation with GCC 14.1.0 (#20719)
• cpu/esp32/gpio_ll: fix & cleanup (#20635)
• cpu/samd5x/can: fix flag handling on receive (#20644)
• cpu/stm32-L4: fix ADC initialization (#20756)
• dist/tools/bmp: fix target parsing (#20661)
• drivers/periph_wdt: fix auto starting of watchdog timer (#20755)
• drivers/w5500: fix W5500 link up/down events in interrupt mode (#20728)
• gcoap: propagate local tx aux to gcoapreqsend() and in handlerreq() (#20711)
• measurestackfree_internal(): don't try to align end of stack (#20723)
• nanocoap sock: stop retransmissions after empty ACK (#20697)
• nanocoap/sock: fix state handling for mismatching message ID in nanocoap_sock_request_cb() (#20725)
• nanocoaplinkformat: don't drop characters in fragmented entries (#20655)
• nib: some fixes when a router or a prefix is deleted (#20329)
• pkg/lwext4: Minor string fixes (#20586)
• pkg/micro-ecc/psa_uecc: convert between SEC 1 and micro-ecc public key formats (#20676)
• sys/crypto: fix OCB mode (#20745)
• sys/net/grnc: fix NULL ptr dereferencing (#20660)
• sys/psacrypto: correct use of (ECDSA) keybits (#20607)
• sys/random: fix SHAxPRNG initbyarray (#20718)
• sys/ztimer64: fix build when PRIu64 is not defined (#20693)

Known issues

Network related issues (57)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• dnsmsgparse_reply() fails for response from DNS64 service (#20355)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• gcoap_fileserver: can't deal with 16 byte block size (#20686)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (11)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (13)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)

Build system related issues (6)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)

Other issues (68)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [Tracking] Fix failures of test-on-iotlab (#20791)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 166 known issues in this release

Fixed Issues since the last release (2024.04)

• BlackMagicProbe does not recognize nRF52 device (#20604)
• missing build dependencies in the rust build (#19714)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• NATIVEINCLUDES Does not include USEMODULEINCLUDES from logprintfnoformat (#11603)

5 fixed issues since last release (2024.04)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by mguetschow over 1 year ago

riot - Release-2024.04

RIOT-2024.04 "UwUtastic" - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2024.04 release, nicknamed "UwUtastic", includes many features and bug fixes. Here are some of the highlights:

• RIOT boots on two newly added boards:
  • The Nintendo Game Boy Advance (#19519)
  • Native on 64-bit Linux / x86_64 (#20315, #20335, #20339)
• The documentation features a new guide to help you set up a RIOT develpoment environment on Windows (#20426)
• To accommodate the ever growing RAM sizes in the IoT, RIOT can now monitor your malloc usage (#20363)
• Dependency modelling via Kconfig is no longer part of RIOT. A big step forward towards having only one source of truth for configurations (#20438)

210 pull requests, composed of 446 commits, have been merged since the last release, and 4 issues have been solved. 42 people contributed with code in 82 days. 2409 files have been touched with 26218 (+) insertions and 29933 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/lib/cib: add new functionality (#20464)
• macros/utils: add LIMIT() and ABS() macros (#20352)
• mbox: provide function to unset initialized mbox (#15485)

System Libraries

• add error check of aes_encrypt() (#15576)
• eventperiodiccallback: add eventperiodiccallback_create() (#20459)
• shell/cmds: add udptty command (#19742)
• sys/libc: add endian.h (#20310)
• sys/shell/lwip: add IPv4 configuration to lwip ifconfig command (#19849)
• tests: Add NULL pointer argument test for fmtlpad/tolower/str (#20344)
• makefiles/cargo: Remove CARGO_CHANNEL, add make info-rust and simplify Cargo invocations (#20319)
• Monitoring malloc usage (#20363)
• rust: Increase Cargo.lock stability and usefulness (#18684)
• sys/checksum: Remove deprecated crc16_ccitt functions (#20527)
• sys/hashes: support for SHA-{384,512/{224,256}} (#20484)
• sys/isrpipe/read_timeout: don't set up timer if data is available (#20558)
• sys/newlibsyscallsdefault: fix race condition in __sinit() (#20392)
• sys/psa_crypto: use SHA256 CSPRNG as default (#20460)
• sys/shell: Document that shell access means root access (#20546)
• sys/suit: Remove deprecated suitcoaprun function (#20528)
• sys/suit: return error when URL buffer is too small (#20559)
• sys/tiny_strerror: fix compilation on LLVM (#20483)

Networking

• gcoap: add some client-side observe handling (#20073)
• nanocoap: add coapbuildreply_header() (#20284)
• nanocoap: introduce coapgetmethod() (#20191)
• nanocoap_sock: add support for IPv4 (#20476)
• net/sock_dtls: add public key verification (#20048)
• pkg/wakaama: Notify resource updates when writing to resources (#20326)
• sys/net/ipv4: add IPV4ADDRINIT() macro (#20354)
• always use nanocoapresources instead of manually assembling coapresources
• cord_lc: Process truncated reads (#20547)
• gnrcipv6nib: Ignore PIO with on-link flag (#20418)
• nanocoap/cache: Extend with option-only cache keygen (#20043)
• pkg/tinydtls: enforce the default dtls user params to be configurable (#20478)
• routing/rpl: Fixing styling & format (#20294)
• sys/net/gnrc: Remove code duplication (#16502)

Packages

• pkg/wakaama: add Light Control object implementation (#16204)
• ci: support git-cache-rs (#20311)
• Makefile.{include,base},pkg/nanopb: fix target deps & code generation (#20400)
• pkg/flashdb: enhance FAL config (#20221)
• pkg/uzlib: warn about memory leak during compression (#20293)

Boards

• boards/cpu: Add GBA boot support to RIOT (#19519)
• boards/nucleo-c031c6: add PWM configuration (#20520)
• boards/nucleo-u575zi-q: Add support (#20444)
• boards/weact-g030f6: add support for minimal break-out board (#20337)
• cpu/rpx0xx: add initial pwm support (#20473)
• cpu/stm32: add support for STM32C0 and NUCLEO-C031C6 (#20300)
• boards/feather-nrf52840-sense: declare lsm6ds33 accelerometer (#20436)
• boards/feather-nrf52840-sense: use generic lsm6dsxx (#20526)
• cpu/msp430/f2xx: clean up periphuart,periphspi (#20357)
• cpu/nrf9160: fix GPIOTE ISR (#20560)
• cpu/samd5x write can driver (#19736)
• cpu/stm32u5: Enable rtc support (#20521)
• native64: New board for 64-bit native Linux / x86_64 (#20315, #20335, #20339)

CPU

• cpu/native: add gpio-mock (#20431)
• cpu/native: Add support for periphtimerquery_freqs (#20306)
• drivers/periphgpioll: Implement API to switch direction (#20292)
• stdio_dispatch: allow to select multiple stdio methods at the same time (#19738)
• cpu/esp8266: allow arbitrary SPI clocks (#20410)
• cpu/native/periph/uart: uart_poweroff() closes the file descriptor + extended baud-rate support on Linux (#20365)
• cpu/native: Fix executable stack warning (#20307)
• cpu/native: return error code on failed assertion (#20419)
• cpu/stm32/periph/gpio: simplify condition code (#20479)
• cpu/stm32/periph/usbdev_fs: avoid using ztimer when not needed (#20467)
• cpu/stm32: Fix ifdefs in periphgpioll (#20530)
• cpu/stm32: remove redundant conditional compile block (#20495)
• drivers/mtd_flashpage: allow to define AUX slot on flash (#18608)
• sys/byteorder: clean up implementation (#20313)
• sys/cppnewdelete: always enable the module when C++ is used (#20348)
• tests: exit native with error value on failure (#20445)
• treewide: Rust updates (#20303)

Device Drivers

• drivers/lsm6dsxx: Allow generic LSM6DSXX driver (#20504)
• drivers/lsm6dsxx: refactoring Lsm6dsl into common driver Lsm6dsxx (#20170)
• drivers/w5100: make use of netdeveui48get() (#20304)

Documentation

• build system: add list of features for documentation and sanity checking (#20366)
• doc: Add guide for dev setup on Windows (#20426)
• doc: add terminal program configuration (#20493)
• doc: doxygen: add "Topics" to menus (#20443)
• doc: Move community processes and vision (import from Wiki) (#20496, #20491, #20498)
• RDM: Naming boards (#18589, #20469)
• boards/feather-nrf52840*: doc cleanup (#20422)
• boards/nucleo-c031c6: fix ADC and enhance doc (#20502)
• doc/roadmap: Make working 6LBR a goal (#20351)
• doc: Allow resizing of doxygen side-nav (#20511)
• README: Change Section titles from all caps to regular (#20405)

Build System / Tooling

• build system: add --no-warn-rwx-segments to linker (#20381)
• dist/tools/mspdebug: build from source (#20345)
• Avoid using egrep (#20522)
• build system: Improve failure mode for FEAUTRESREQUIREDANY (#20408)
• dist/tools/dhcpv6-pd_ia: recognize Debian correctly (#20487)
• Enable compileandtestforboard to skip if nothing changed (#19546)
• tools/openocd: define SWD_EN signal for tigard (#20507)
• tree wide: accommodate RISC-V toolchain update (#20380)

Kconfig

• Remove Kconfig dependency modelling (#20438)

Examples

• examples/rust-gcoap: Add SAUL (#17554)
• examples/filesystem: Update README and increase default stack size (#20439)
• examples/psa_crypto: Fix modules to run ECDSA on SEs (#20461)
• examples/wakaama: rename to lwm2m (#20327)

Testing

• tests/shell: add test for preemption (#19005)
• tests: Add cases to the scnu32hex unittest (#20463)
• ci: disable some more flakey native tests (#20358)
• examples, tests: disable native and native64 for more flaky tests (#20401)
• make use of nanocoapserverauto_init (#20378)
• Refactor tests periph uart (#20281)
• release-test.yml: return of the Matrix notification (#20424)
• tests/pkg/lwip: include default-radio-settings.inc.mk (#20325)
• tests/sys/shell: increase the stack size of periodic thread (#20548)
• tests/sys/timer_overhead: disable test on native in CI (#20324)
• tests/unittests/README: link to Supported Boards updated (wiki -> site) (#20500)
• tests: 64-bit support preparations (#20276)
• tests: Cover API of scnu32hex in the unittest (#20458)
• tests: disable flaky tests on native in the CI (#20382)
• unittests: Move at test to driver tests (#20540)

API Changes

• drivers/at: fix URC handling and add better testing (#20423)
• drivers/at: parse +CME/+CMS responses and save error value (#20289)
• gcoap: make gcoapreqsendtl() an alias of gcoapreq_send() (#20514)
• gcoapfileserver: rename to nanocoapfileserver (#20030)
• makefiles, treewide: Remove MCU variable (#20397)

Uncategorized

• release-notes.txt: add 2024.01 release notes (#20350)
• Roadmap: Add Home-Assistant integration on the roadmap (#20403)
• vscode: Add hard-coded path to compile_commands.json (#20417)

And 59 minor changes.

Deprecations

Deprecations (3)

• gnrcmac / gnrclwmac / gnrc_gomach: Deprecate modules (#20512)
• Deprecate MCU preprocessor defines (#20397)

Removals (4)

• drivers/rgbled: Remove driver (#20407)
• periph_usbdev: remove deprecated event flag (#20488)
• treewide: remove deprecated modules (#20471)
• treewide: remove deprecated shell_commands module (#20485)
• gnrcnetif: remove deprecated CONFIGGNRCNETIFLORAWANNETIFHDR (#20515)
• sys/phydat: Remove deprecated print function (#20529)

Bug fixes (18)

• drivers/periphgpioll: Fix GPIO_DISCONNECT handling and add compile time feature checks (#20290)
• drivers/periphspi: Add `spitransferu16be()` (#20312)
• coap: ensure DTLS buffer is at least 200 bytes (#20434)
• core|sys: Guard periph_pm calls (#20523)
• cpu/msp430/periphuart: Fix uartwrite() for USCI peripheral backport 2024.04
• cpu/nrf52 i2c: Always buffer writes (#20298)
• cpu/nrf52 i2c: Wait for complete transmission when writing NOSTOP (#20299)
• cpu/sam0_common: flashpage: disable interrupts while writing (#15965)
• cpu/sam0_common: RTC: avoid negative month after POR (#20448)
• cpu/stm32/periph_adc: fix register access (#20360)
• drivers/pcf857x: stop (ab)using gpio_t (#20435)
• Fix for periph_timer on native (#20317)
• gnrc_ipv6: fix double-free when pinging TNT loopback address (#20309)
• ipv6/nib: cancel timers when NIB entry gets deleted (#20343)
• ipv6/nib: fix router lifetime handling in RIO and fix gnrcipv6nibftadd() api (#20342)
• nanocoapsock: always use coapoptputuri_pathquery() (#20245)
• sys/usbus: answer get_status if request is standard type (#20475)
• tests/drivers/at_unit: fix unit tests on native (#20551)

Known issues

Network related issues (56)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• DHCPv6 client: Handling of NotOnLink incorrect (#20349)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• dnsmsgparse_reply() fails for response from DNS64 service (#20355)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrc/ipv6: "invalid payload length" - corrupted IPv6 header when ENABLE_DEBUG=1 in mbox.c (#20390)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• Removing a TNT global address then adding a new one does not work (#20318)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (12)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (14)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (7)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• missing build dependencies in the rust build (#19714)

Other issues (68)

• 2023.04 release bug tracking (#19469)
• [tracking] Bugs found by the peripheral selftest (#20071)
• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• BlackMagicProbe does not recognize nRF52 device (#20604)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• STM32F4-discovery + mrf24j40 not working (#19711)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 168 known issues in this release

Fixed Issues since the last release (2024.01)

• usbus/dfu: cannot detach device to reboot into bootloader (#20474)
• 6ln RA PIO with L flag set is not ignored (#20377)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• sock_dns: Security issues (including remote code execution) (#10739)

4 fixed issues since last release (2024.01)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by Teufelchen1 almost 2 years ago

riot - Release-2024.01

RIOT-2024.01 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2024.01 release includes:

• Breaking change for board definition due to XFA for pointers to defined MTD. This means users will need to:
  • remove the MTD_NUMOF definition from board.h
  • add MTD_XFA_ADD(<mtd_dev>, <idx>); to the definition of <mtd_dev>.
  • MTD_0, MTD_1, … defines are no longer needed. Use mtd_dev_get(0), mtd_dev_get(1), … instead.
• Many fixes to peripherals due to the periph testing shield
• The AVR-8 now has power management
• The ESP32 family is now supported by the SDMMC peripheral driver
• native now is supported in pyterm
• tests/periph/uart_locate_pins helps discover which pins are where
• the periph_timer API supports periph_timer_query_freqs
• The GNRC boarder router application supports ZEP topology
• Removal of Kconfig dependency modelling (but still configurations supported)

194 pull requests, composed of 475 commits, have been merged since the last release, and 4 issues have been solved. 30 people contributed with code in 64 days. 1083 files have been touched with 36196 (+) insertions and 4976 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core, sys, drivers: 64-bit support preparations (#20257)
• core: Express -1 as ~0 in threadstatust cast (#19976)

System Libraries

• Fletcher32: Add incremental API (#19981)
• sys/event/timeout: add eventtimeoutis_pending() (#19963)
• sys/hashes: add SHA-512 support (#19969)
• sys/suit: introduce suitworkerdone_cb() (#20237)
• riotboot: fix build errors (#20210)
• sys/benchmark: fix integer overflow in benchmarkprinttime() (#20220)
• sys/psa_crypto: allow repeated initialization (#19990)
• sys/shell/gnrc_netif: Fix a few blockers for sharing ifconfig shell (#19971)
• sys/shell: fix getopt() support (#20209)
• sys/busy_wait: add busy wait helper (#20241)

Networking

• gnrc: make message queues static (#19998)
• nanocoap: implement coapfinduri_query() (#20273)
• pkg/lwip: add support for slipdev (#20022)
• coap: create typedef for CoAP methods (#20003)
• gcoap_dns: Housekeeping with regards to draft status (#20015)
• gnrc/ipv6/nib: allow for predictable static link-local addresses (#20224)
• gnrc/nib: allow prefix to be on-link without being used for address (#20243)
• nanocoap: fix incorrect uses of coapgetcode() (#20028)
• nanocoap_sock: implement FETCH methods (#20238)
• print: Missing size_t print format specifiers (#20249)

Packages

• Bump nanopb to 0.4.8 (#20132)
• mjson: Initial include of package (#20129)
• pkg/ccn-lite: Bump version (#20248)
• pkg/flashdb: bump to 2.1.0 (#20155)
• pkg/nanocbor: Bump to latest commit (#19975)
• pkg/tinydtls: bump version (#20159)
• pkg: micropython: bump version (#20208)
• pkg: 64-bit support preparations (#20271)

Boards

• boards/feather-nrf52840-sense: Add bootloader info (#20034)
• boards/gd32vf103c-start: new board (#20270)
• boards/generic-cc2538-cc2592-dk: add board support (#20226)
• boards/nucleo-l4r5zi : add PWM configuration (#20036)
• boards/nucleo-l552ze: add PWM configuration (#20032)
• boards/p-nucleo-wb55: add PWM configuration (#20120)
• boards: add support for Adafruit Feather nRF52840 Sense (#20027)
• drivers/include/periph: add FREQM peripheral driver (#20020)
• drivers/ws281x: Add gpio_ll and timer based driver (#19891)
• pyterm: add native support (#20172)
• sys/shell: add firmware version to version cmd (#20244)
• AVR-8: Implement Power Management (#19784)
• boards/nrf52dk: Minimal Arduino pinout support (#20286)
• boards/same54-xpro: configure pins for UART HW flow control & ethernet LED (#20183)
• boards: remove extern mtd_dev_t *mtd<n> declarations from board definitions (#20104)
• makefiles/tests/tests.inc.mk: use native term for tests (#20215)
• treewise: typo "or RAM" (#20219)

CPU

• cpu/msp430: rework MSP430 x1xx periph drivers (#19835)
• cpu/nrf5x: clean up periph_uart (#20102)
• cpu/stm32: FMC used for low-level LCD parallel interface (#19943)
• cpu/esp32/periph: add low-level SDMMC peripheral driver for ESP32 and ESP32-S3 (#19786)
• cpu/msp430: improve periph_timer (#20160)
• cpu/stm32/periph: add low-level SDMMC peripheral driver (#19540)
• cpu/*: implement periphtimerquery_freqs (#20142) (#20143) (#20144) (#20145) (#20146) (#20147) (#20148)
• cpu/stm32: add ADCAL operation (#20044)
• drivers/periph/uart: add periphuarttx_ondemand feature (#20108)
• cpu/avr8common: allow to build with !periphpm (#20247)
• cpu/avr8common: fix build with !corethread (#20240)
• cpu/nrf5x_common: clean up UART implementation (#20111)
• cpu/sam0/uart: implement uartpincts()/uartpinrts() (#20171)
• cpu/sam0common: implement periphgpioll and periphgpiollirq (#20189)
• cpu/stm32/periph_spi: only perform DMA transfer above threshold (#20214)
• cpu/stm32: uart: don't do DMA for small transfers (#20230)

Device Drivers

• driver/mtd: mtd_init add documentation for return value (#20033)
• drivers/periphtimer: add timerquery_freqs() (#16349)
• drivers/mtdflashpage: improve _writepage (#20173)
• drivers/mtd: improve doc consistency (#20184)
• drivers: make use of busy_wait() (#20258)

Documentation

• boards/nucleo-l433rc: doc update - image and MCU table (#20098)
• boards/nucleo-l452re: doc update (#20207)
• boards/p-nucleo-wb55: documentation update (#20115)
• doc/mainpage: don't claim to be a microkernel (#20246)
• doc: Move and update roadmap in from the wiki (#20122, #20123)

Build System / Tooling

• dist/testbed-support: Add openmote board (#19979)
• dist/tools/riotbootgenhdr/genhdr: add update command (#20239)
• Bump version of UF2 package (#20035)
• examples/gnrcborderrouter: enable setting ZEP topology (#20006)
• make all: document targets for RIOT base module (#20187)
• make help: show generate-Makefile.ci (#20186)
• tools/zep_dispatch: enhancements and fixes (#19996)

Kconfig

• tests/build_system: drop Kconfig tests (#20229)

Examples

• examples/dtls-sock: Enable non 32-bit architectures (#20196)
• examples/dtls-sock: make use of helper functions (#20125)

Testing

• tests/periph/uartlocatepins: new test/utility app (#20253)
• tests/pkg/minmea: adding GGA, GSA and RMC sentences to test application (#20005)
• tests/unittests: add a unit test for ztimer (#20011)
• .murdock: drop Kconfig compile check (#20211)
• ci: ensure "xxx succeeded" properly fail (#20288)
• ci: make native tests show up in "tests" (#20269)
• tests/drivers/at: fix device table overflow (#20025)
• tests/net/gnrcsixlowpanfragsfrcongure_impl: disable test on native (#20151)
• tests/periph/uart: allow to set line ending (#20128)
• tests/pkg/minmea: fixing RMC timestamp (#20018)
• tests/sys/psa_crypto*: Fix failing tests (#20178)
• tests/sys/psacryptose_cipher: disable test on esp32-wroom-32 (#20152)
• tests/sys/psacrytpose: disable test on esp32-wroom-32 (#20150)
• tests/unittests: blacklist LLVM on native (#19958)
• tests: Slightly increase coverage of fmt unittests (#20272)

API Changes

• print: Added size_t print format specifier (#20194)
• drivers/mtd: use XFA for pointers to defined MTDs (#19465)
• drivers/periph/gpioll: shrink gpioconf_t (#20236)
• hashes/sha2{24,56}: Remove static variables from sha256 (#20116)
• nanocoap: defuse footgun in coapgeturi_query() (#20195)
• nanocoap: rename coapgetcode() -> coapgetcode_decimal() (#20004)

Uncategorized

• Fix labeler action (#20137)
• roadmap: extend peripheral drivers section (#20136)

And 52 minor changes.

Deprecations

None

Removals (1)

• mtd/*: drop .write() if .write_page() is implemented (#15380)

Bug fixes (26)

• dist/tools/uf2: add target to also copy families.json file (#20042)
• backport_pr.py: increase entries per page for branches GET (#19985)
• boards/esp32s3-usb-otg: fix the table of contents in documentation (#20156)
• boards/native: only use pyterm wrapper with term target (#20264)
• boards/nucleo-f413zh: Fix DMA mapping (#20225)
• ci: fix murdock tests after dwq change (#20268)
• cpu/cc2538: fix EUI provider (#20228)
• cpu/cortexm_common: work around bug on WFI for STM32 (#20149)
• cpu/stm32/periph_spi: Fix /CS handling (#20084)
• cpu/stm32: fix periph_i2c for F1, F2, L1 and F4 families (#20100)
• drivers/mtd: fix the order of entries in the MTD pointer XFA mtd_dev_xfa (#20113)
• drivers/mtd_sdmmc: always enable the erase function (#20180)
• drivers/slipdev: make use of chunked ringbuffer (#18066)
• fatfs_vfs: fix the Memory leak: work (#20206)
• gcoap: fix underflow when correcting ETag from cache (#19968)
• gnrc/ipv6/nib: rejoin ipv6addrallnodeslink_local on interface up (#20259)
• gnrcipv6nib: fix config for mixed 6lo/classic setup (#20167)
• nanocoap: prevent integer underflow in coapoptputuripathquery() (#19994)
• net/gnrc/netif: set 6LN flag for ethernet if gnrc_sixloenc is used (#20139)
• pkg/nanocbor: Update for fixed nanocborskipsimple() (#19983)
• sock/udp: work around gnrcsockrecv() returning early timeout (#19965)
• sys/psa_crypto: Fix build problems (#19992)
• sys/psa_crypto: fix compile bug for certain configuration (#20193)
• sys/psa_crypto: Fix macro for public key max size and SE example (#19995)
• wasm: fix the memory leak: wasm_buf (#20205)

Known issues

Network related issues (52)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (12)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (13)

• Failing tests on FE310 (Hifive1b) (#13086)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (7)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• missing build dependencies in the rust build (#19714)

Other issues (63)

• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 158 known issues in this release

Fixed Issues since the last release (2023.10)

• make debug broken on native (#20265)
• Bug in drivers/lpsxxx sensor (#20093)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)

4 fixed issues since last release (2023.10)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by MrKevinWeiss about 2 years ago

riot - Release-2023.10

RIOT-2023.10 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2023.10 release includes:

• PSA Crypto API implementation, one step closer to a secure IoT!
• A bunch of default drivers for boards
• Improved clang support

116 pull requests, composed of 318 commits, have been merged since the last release, and 2 issues have been solved. 23 people contributed with code in 95 days. 1109 files have been touched with 437877 (+) insertions and 3189 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

System Libraries

• drivers/periph_sdmmc: define a High-level SDIO/SD/MMC API and low- level SDMMC peripheral driver interface (#19539)
• sys/event: add eventisqueued() (#19966)
• sys/shell/gnrc_netif: fix ifconfig set language issue (#19970)
• sys/shell/gnrc_txtsnd: Move to separate module (#19973)
• sys: PSA Crypto API implementation (#18547)

Networking

• coap: add missing Content-Format definitions (#19875)
• coap: add missing option numbers (#19874)
• drivers/atwinc15x0: support dynamic scanning and connection to AP (#19387)
• sys/net/sock: add sockauxttl (#19836)
• cmdsgnrcnetif: Support enabling/disabling lwIP netifs from gnrc_netif shell (#19972)

Packages

• mcufont: Initial addition of MCUFont package (#19726)
• pkg/drivercryptocell310: Fix Makefile (#19959)
• pkg/flashdb: bump to 2.0.0 (#19863)
• pkg/littlefs2: bump to v2.8 (#19942)
• pkg/lvgl: bump to v8.3.9 (#19901)
• lwip: bump to v2.2.0 (#19780)

Boards

• boards/stm32f723e-disco: enable ST7789 display (#19939)
• boards/stm32f769i-disco: enable FMC with SDRAM support (#19851)
• boards/stm32l496g-disco: enable ST7789 display and touch panel (#19938)
• boards: add Silabs EFM32 Giant Gecko GG11 Starter Kit (#19923)
• boards: add support for ESP32-S3 WT32 SC01 Plus board (#19917)
• boards/adafruit-itsybitsy-m4: configure littleFS on external flash (#19355)
• boards/nucleo64: fix SPI Arduino mapping for most boards (#19935)
• boards/sipeedlongannano: separate board definition for Sipeed Longan Nano TFT (#19824)
• boards/stm32f469i-disco: enable FMC with SDRAM support (#19910)
• boards: complete SD Card MTD definition for several bords (#19914)

CPU

• cpu/stm32/periph: add FMC/FSMC support for STM32 (#19843)
• cpu/sam0_common/periph: add low-level SDMMC peripheral driver for SDHC (#19760)
• cpu/efm32/periph: add DAC support for EFM32 Series 1 (VDAC) (#19887)
• cpu/atmega_common: hook up BAT LOW irq to power bus (#19822)
• cpu/riscv_common: remove picolibc from blacklisting in CI (#19862)
• cpu/stm32/periph/eth: Disable hardware checksums (#19952)
• cpu/stm32: bump cmsis packages version (#19904)
• cpu/stm32: fix ld script for SRAM4 (#19842)
• dist/tools/esptools: upgrade ESP32x toolchains to GCC version 12.2 (#19452)
• sys/psa_crypto: Ed25519 (EdDSA) support (#19954)

Device Drivers

• drivers/ft5x06: introduce conversion for X and Y coordinates (#19867)
• drivers/st77xx: introduce rotation defines (#19919)
• drivers/lcd: add MCU 8080 16-bit parallel mode support (#19937)
• drivers/lcd: add MCU-driven low-level parallel interface (#19941)
• drivers/lcd: support MCU 8080 8-bit parallel mode (#19915)
• drivers/touchdevgestures: add gesture recognition for touch devices (#19884)
• drivers/ft5x06: use a pointer to config parameters instead of copying them (#19866)
• drivers/sdmmc: store SDMMC device descriptor references in XFA (#19899)
• drivers/stmpe811: changes for interrupt-driven touch handling and gesture recognition (#19885)

Documentation

• tests/pkg/lwip: Add README.md (#19949)
• drivers/periph: Add documentation on thread safety and initialization (#19794)
• boards/sltb009a: complete and fix documentation (#19888)
• doc: fix references and inches unit (#19948)

Build System / Tooling

• compileandtestforboards: Add no-compile flag (#19817)
• dist/testbed-support: Add openmote board backport 2023.10
• dist/tools/jlink: fix DBG_PID assignment (#19960)
• dist/tools/usb-serial: call ttys.py with its path (#19823)
• make: COMPILECOMMANDSPATH adapt for external apps (#19869)

Examples

• examples/gcoap: add saml11-xpro to CI boards with insufficient memory (#19933)

Testing

• tests/drivers/touch_dev: allow to test a touch device in polling mode (#19882)
• .github/test-on-iotlab: prefer Toulouse site for dwm1001 board (#19950)
• .github: drop test-on-ryot workflow (#19847)
• clang floating point handling fix (#19852)
• gh-actions: remove reporting release tests to Matrix (#19879)
• tests/gcoap_fileserver: only enable test with GCC (#19870)
• tests/net/gcoap_fileserver: disable test on CI (#19898)
• tests/net/gcoap_fileserver: Fix failing nightlies (#19856)
• tests/pkg/relic: skip CI testing with samr21-xpro and llvm toolchain (#19902)

And 13 minor changes.

Bug fixes (37)

• tree-wide: mixed box of compilation fixes with clang (#19634)
• drivers/stmpe811: introduce conversion for X and Y coordinates (#19883)
• pkg/tinyusb: add missing include (#19893)
• release-test.yml: Add strasbourg creds backport 2023.10
• tests/gcoapfileserver: add zepdispatcher to TEST_DEPS (#19864)
• boards/esp32-wt32-sc01-plus: fix I2C driver selection in Kconfig (#19945)
• boards/esp32s3-wt32-sc01-plus: fix Kconfig (#19953)
• boards/msb-430: Fix periph config & improve doc (#19922)
• boards: fix documentation for GD32V boards and doxygen 1.9.4 (#19931)
• cpu/efm32: fix DAC configuration (#19886)
• cpu/esp32: fix heap definition for ESP32-S2 and ESP32-S3 (#19956)
• cpu/esp32: fix Octal SPI RAM for ESP32-S3 (#19957)
• cpu/esp32: fix RISC-V ISA for ESP32-C3 with GCC 12.2 (#19962)
• cpu/sam0_common/periph/sdhc: busy waiting and clock fixes (#19815)
• drivers/at86rf215: switch example config to use EXT3 on same54-xpro (#19912)
• drivers/enc28j60: disable flow control (#19845)
• drivers/ft5x06: fix initialization if callback function parameter is NULL (#19880)
• drivers/ft5x06: fix vendor ID for FT6xx6 and FTxxxx register addresses (#19860)
• drivers/mtddefault: fix for boards that define MTDNUMOF (#19907)
• drivers/mtdspinor: fix init when only ztimer_msec is used (#19908)
• drivers/st77xx: implement initialization (#19827)
• drivers/stmpe811: fix initialization if callback function parameter is NULL (#19881)
• drivers: rename st7735 to more generic st77xx (#19825)
• gcoap: fix underflow when correcting ETag from cache backport 2023.10
• gnrcipv6nib: disable router advertisements on interface startup (#19920)
• gnrcipv6nib: fix for border router with non-6lo interfaces (#19900)
• nanocoap: prevent integer underflow in coapoptputuripathquery() backport 2023.10
• netdev/ieee802154_submac: support setting promiscuous mode option (#19906)
• nib/_nib-6ln: bail out early if address is no longer assigned backport 2023.10
• pkg/nanocbor: Update for fixed nanocborskipsimple() backport 2023.10
• pkg/tinydtls: allow to set buffer size from application again (#19892)
• posix_sockets.c: Fix 2 byte int compilation errors (#19946)
• sys/psa_crypto: Fix macro for public key max size and SE example backport 2023.10
• sys/shell/ping: fix ping packet size overflow (#19927)
• tests/drivers/disp_dev: fix off by one in display area (#19844)
• tests/pkg/lvgl*: fix the main thread stack size for ESPs (#19865)
• ztimer/periodic: reinit remove from right clock and handle acquired ztimer (#19826)

Known issues

Network related issues (52)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcborderrouter: Kconfig and C disagree about number of addresses per interface (#19947)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (12)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (16)

• Failing tests on FE310 (Hifive1b) (#13086)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• Interrupt callback function is instantly called on samd51 after setting it from within interrupt callback function (#19861)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (7)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• missing build dependencies in the rust build (#19714)

Other issues (67)

• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• Samr30/gpio: Erasing then write mux can generate spurious IRQ (#19993)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg/relic is failing on samr21-xpro when built using llvm (#19903)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 161 known issues in this release

Fixed Issues since the last release (2023.07)

• at86rf215 stops receiving when sam0_eth is in use (#19911)
• drivers/st7735: faulty driver initialization (#19818)

2 fixed issues since last release (2023.07)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by MrKevinWeiss over 2 years ago

riot - Release-2023.07

RIOT-2023.07 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

This release sees the addition of the openDSME IEEE 802.15.4 MAC. So far it is limited to 2.4 GHz O-QPSK and drivers that have been converted to the new sub-MAC architecture yet.

We also have two new supported MCUs: nRF53 and ATmega8. They share common peripherals with their siblings, for nRF53 only the application core is supported so far.

Finally, all tests live in subdirectories now, so the tests/ directory is much more orderly.

288 pull requests, composed of 661 commits, have been merged since the last release, and 35 issues have been solved. 26 people contributed with code in 96 days. 6844 files have been touched with 251875 (+) insertions and 224148 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/compiler_hints: add assume() hint (#19354)
• core: add coremutexdebug to aid debugging deadlocks (#18620)
• core/lib: make the use of DEBUG_BREAKPOINT on assert optional (#19766)
• gnrc/ipv6autosubnets: allow to configure minimal prefix length (#19656)

System Libraries

• shell/cmds: add genfile command (#19401)
• sys: add common imath module mv isin() form test/driverdacdds (#19378)
• usbus: Add support for endpoint halt condition (#17090)
• buildsystem: Always expose CPURAMBASE & SIZE flags (#19746)
• cpp11-compat: thread::sleep_for in microseconds (#19436)
• Rust: Update dependencies (#19495)
• SUIT: Prepared manifests (#19601)
• sys /cpp11-compat: remove pseudo anonymous namespaces (#19477)
• sys/isrpipe: Replace xtimer with ztimer_usec (#19645)
• sys/posix/sockets: fix code style & set sin6scopeid in epto_sockaddr() (#19658)
• sys: partly refactor make dependency resolution (#19492)
• usbus: Implement USBFEATUREDEVICEREMOTEWAKEUP handling (#19800)
• ztimer/periodic: remove timer on init if already running (#19806)

Networking

• pkg/opendsme: add initial support for IEEE 802.15.4 DSME time-slotted MAC (#18156)
• sys/string_utils: add memchk() (#19686)
• drivers/sx127x: reduce use of floats (#19697)
• gnrc/gnrcnetifhdr_print: printout timestamp if enabled (#19589)
• gnrc/ipv6/nib: fix 6Lo ND options on non 6Lo interface (#19604)
• gnrc/rpl: fix incorrect addition overflow check (#19739)
• gnrcipv6nib: include RIO with all subnets in downstream RA (#19644)
• nanocoap: allow to define CoAP resources as XFA (#19296)
• nanocoap: clean up coapiterateoption(), make it public (#19713)
• nanocoap: implement extended tokens (RFC 8974) (#19487)
• nanocoapsock: defuse nanocoapsock_get() API footgun (#19535)
• pkg/openthread: remove deprecated functions (#19685)
• semtech-loramac: extend list of supported radio with sx1261, sx1262 and sx1268 (#19525)

Packages

• pkg/littlefs2: bump version to 2.7 (#19812)
• pkg/lvgl: bump to 8.3.7 (#19542)
• pkg/lvgl: Change all references of LittlevGL to LVGL (#18788)
• pkg/ndn-riot: drop unmaintained pkg (#19612)
• pkg/qcbor: bump to v1.2 (#19494)

Boards

• board: add Adafruit Grand Central M4 Express support (#19580)
• boards,sys/arduino: major clean up (#19759)
• boards/bu585i iot02a/periph usbdev (#19796)
• boards/nucleo-l432k: provide three periph_timer instances (#19677)
• boards/olimex-msp430-h2618: add new board (#19706)
• boards: add ESP32-S3-Box support (#19811)
• boards: add ESP32-S3-USB-OTG support (#19808)
• boards: add stm32l496g-disco support (#19576)
• boards: support for Olimex MSP430-H1611 board (#19558)
• cpu/gd32v: add riotboot support (#19411)
• cpu/native: add host fs access via VFS (#19315)
• cpu/nrf53: add I2C and SPI support (#19798)
• cpu/nrf53: add initial support with nRF5340DK-APP board (#19769)
• cpu/nrf53: add usbdev support (#19809)
• cpu/nrf{53,9160}: add periph_rtt support (#19804)
• cpu/nrf{53,9160}: add pwm support (#19781)
• cpu/rpx0xx: add initial ADC support (#19516)
• drivers/usbdevsynopsysdwc2: add GD32V support (#19389)
• boards/adafruit-clue: use shared usbboardreset.mk for flash/reset/term targets (#19616)
• boards/arduino-mkrwan1300: update board name to correct one (#19526)
• boards/atmega8: new board (#19754)
• boards/esp32: deduplication in common ESP32x board definitions (#19432)
• boards/frdm-k22f: fixes long lines in periph_conf.h (#19774)
• boards/nrf9160dk: use all available CC timer channels (#19771)
• boards/nucleo-f429zi: Provide 2nd timer (#19447)
• boards/rpi-pico: specify needed args when using jlink flasher (#19537)
• boards/rpi-pico: update openocd.cfg file (#19717)
• cpu/msp430: reorganize code (#19733)
• cpu/nrf5x/periph/wdt: enable support for nRF53/nRF9160 (#19789)
• cpu/nrf5x_common: rework LFCLK source selection (#19803)
• cpu/rpx0xx: implement periph_spi (#19440)
• cpu/rpx0xx: initial PIO support (#17425)
• makefiles/tools/jlink.inc.mk: use ELF file for flashing (#19541)

CPU

• cpu/avr8 common: added avr4.ld script (#19751)
• cpu/riscv: Add PMP driver (#19712)
• cpu/stm32/periph_dac: small improvements (#19573)
• cpu/stm32/periph_pwm: support of complementary timer outputs (#19572)
• debug: add DEBUG_BREAKPOINT() macro, set breakpoint on failed assertion (#19368)
• build-system: Allow out of tree BUILD_DIR (#19600)
• cpu/arm7: Fix undefined behavior based on invalid assembly (#19619)
• cpu/atmega8: new cpu (#19753)
• cpu/atmega_common: checking features instead of CPU models (#19752)
• cpu/avr8_common: Prepare for rework ISR (#19777)
• cpu/esp32: fix compilation issues with GCC 12.2 (#19450)
• cpu/esp32: fix remaining compilation errors for GCC 12.2 (#19577)
• cpu/nrf53: enable flashpage support (#19802)
• cpu/nrf5x_common: reset all available CC channels (#19770)
• cpu/nrf{52,9160}: remove duplicate sevonpend bit (#19773)
• cpu/sam0_eth: interrupt based link detection/auto-negotiation (#19703)
• cpu/samd5x: enable FDPLL1 at 200MHz (#19581)
• cpu/stm32/periph/adc: fix setting ADC clock (#19629)
• cpu/stm32/periph/dac: optimize setting DAC (#19529)
• cpu/stm32: stm32f4 BRR from BSRR (#19670)
• drivers/at86rf2xx: setting rx timestamp based on symbol counter for ATmega*RFR2 (#19605)
• drivers/periph/rtc: improve doc on rtcsetalarm (#19610)
• Fix periph clk (#19628)
• makefiles/arch/msp430.inc.mk: Fix compilation issues with GCC 12 (#19484)
• native/syscalls: rename realclockgettime to clock_gettime (#19476)
• pkg/cmsis: use unique package for CMSIS headers, DSP and NN modules (#18056)
• pkg/tinydtls: allow build for AVR (#19346)

Device Drivers

• drivers/mtd: add support for MTDs emulated in RAM (#19443)
• drivers/mtd_default: add external declarations for mtd* (#19538)
• driver/lc709203f: remove unnecessary use of float (#19662)
• drivers/lcd: code deduplication for st7735 and ili9341 (#19816)
• drivers/mpu9x50: clean up code (#19657)
• drivers/mrf24j40: cleanup function (#19635)
• drivers/pcf857x: allow to define PCF857xBASEADDR at compile time (#19734)
• drivers/sdcard_spi: small cleanup (#19527)

Documentation

• doc: add board selection guide (#19606)
• SUBSYSTEMD.md: add @kaspar030 to core, Rust, build system, CI & timers (#19727)
• SUBSYSTEMS.md: add @maribu (#19732)
• SUBSYSTEMS.md: add jia200x to subsystems (#19512)
• README.md: Remove HiL Badge (#19453)
• gnrcsixlowpanfrag_sfr: mark as experimental + doc fixes (#19682)

Build System / Tooling

• buildsystem: add target debug-client (#19725)
• dist/tools/openocd: add OPENOCDSERVERADDRESS variable (#19724)
• dist/tools/openocd: add RTT port variable (#19723)
• tools/buildsystemsanity_check: add check to verify test applications are at the right place (#19673)
• dist/testbed-support: remove obsolete boards from iotlab archi (#19514)
• dist/tools/insufficient_memory: fix collection of app folders (#19598)
• dist/tools/openocd: fix parsing of flash bank base (#19620)
• dist/tools/openocd: start debug-server in background and wait (#19737)
• dist/tools/usb-serial: call ttys.py with its path backport 2023.07
• dist/tools: Use /usr/bin/env to lookup Python. (#19448)
• make/usbboardreset: define {preflash,term}-delay when necessary (#19617)
• Makefile.include: don't use target lstfile implicitly (#19797)
• Makefile.include: Generate lst file using objdump (#19745)

Kconfig

• pkg/libbase58: add kconfig support (#19623)
• sys: add Kconfig support for clif (#19621)
• sys: add some missing kconfig + adapt related tests when possible (#19622)
• boards/esp32s3-pros3: Fix stdio kconfig model (#19708)
• cpu/esp32: deduplication in Kconfig for ESP32x SoCs (#19433)
• cpu/rpx0xx: Fix kconfig model (#19660)
• drivers/nrf24l01p: model in kconfig (#19650)
• periph/timer: fix Kconfig menu title (#17830)
• pkg/micropython: model in Kconfig (#19672)
• pkg/openthread: Fix Kconfig and broken example (#19700)
• pkg/openthread: model in kconfig (#19671)
• Remodel the USB in Kconfig (#19086)
• sys/stdio_semihosting: model in Kconfig (#19651)
• sys/usb/Kconfig: Fix default PID (#19701)
• sys: model ecc, evtimer, pipe and shell_lock in kconfig (#19636)

Examples

• examples/suit_update: some test fixes (#19643)

Testing

• tests/net/gnrcmactimeout: add automated test (#19639)
• tests/README.md: Add directory overview (#19587)
• tests: move all periph applications to their own periphs/ folder (#19552)
• tests: move all pkg applications to their own pkgs/ folder (#19551)
• treewide: fix remaining broken paths to test applications (#19592)
• tests/drivers: move all driver tests into own folder (#19435)
• tests: move all bench applications to their own tests/bench/ folder (#19564)
• tests: move build system applications to tests/build_system (#19567)
• tests: move core related applications to their own tests/core/ folder (#19565)
• tests: move cpu related applications to tests/cpu (#19583)
• tests: move net related applications to test/net (#19586)
• tests: move nimble and lwip related to test applications to tests/pkg (#19582)
• tests: move sys related applications to their own tests/sys/ folder (#19566)
• treewide: replace occurrences of tests/driver_ with new path (#19555)
• tests/core: remove Makefile.sys_common copy past mistake (#19783)
• tests/drivers_at24cxxx: make it easier to select other EEPROMS (#19457)
• tests/lualoader: move to tests/pkg/lualoader (#19569)
• tests/periph_rtt: Fix for tick conversion test (#19522)
• tests/pkg/lvgl: avoid using floats (#19698)
• tests/unittests: remove old workaround for SAML1X and gcc9.X bug (#19687)
• tests: move leftover sys related tests to test/sys + move tests/sys/candev to tests/drivers (#19585)
• tests: move remaining driver related applications to tests/drivers (#19568)

And 65 minor changes.

Removals (6)

• makefiles/pseudomodules: remove deprecated eventthreadlowest module (#19627)
• nanocoapsock: remove nanocoapget() (#19553)
• pkg/tensorflow-lite: remove deprecated package (#19624)
• sys/gnrc_lorawan: remove deprecated tx port option (#19626)
• sys/hashes: remove deprecated aes cmac hashing (#19625)
• usbus: remove deprecated USBUSHANDLERFLAGTRFAIL flag (#19488)

Bug fixes (53)

• cpu/stm32/periph_adc: fixes and improvements for L4 support (#19571)
• all/gnrc: fix null pointer dereference (#19756)
• boards/esp32: small documentation fixes (#19810)
• boards/esp32s2-lilygo-ttgo-t8: fix display configuration (#19807)
• boards/iotlab-m3: enable l3g4200d_ng (#19523)
• boards/qn9080dk: fix periph conflict (#19730)
• boards/sipeed-longan-nano: fix TFT display config and documentation (#19793)
• boards/sipeed-longan-nano: revert default to variant with TFT (#19814)
• boards/z1: fix broken clock configuration (#19705)
• boards: fix documentation for GD32V boards (#19790)
• buildsystem: fix kconfig mismatches (#19813)
• core/lib: drop read only XFA's const volatile modifiers (#19544)
• core: fix null pointer dereference (#19757)
• cpu/cc26x0cc13x0: Drop feature cortexmmpu (#19507)
• cpu/esp32: define RAMSTARTADDR and RAM_LEN (#19763)
• cpu/esp8266: fix region overflow with '*periph' directory in app path (#19785)
• cpu/msp430: fix for ti's msp430-gcc-opensource package ld version (#19782)
• cpu/qn908x/periph_i2c: allow internal pull-up on SCL (#19729)
• cpu/stm32/periph_gpio: reset PU/PD for ADC channels (#19574)
• cpu/stm32/usbdevfs: fix ep registration and EPREG assignments (#19460)
• cpu/stm32: Fix periphgpioll_irq (#19446)
• cpu/stm32: fix riotboot settings for L4 and WB (#19618)
• drivers/at86rf2xx: fix default page being ignored (#19467)
• drivers/dht: busy wait reimplementation (#19718)
• drivers/enc28j60: fix ISR routine and bth (#19461)
• drivers/hih6130: avoid using floats (#19695)
• drivers/periph_usbdev: fix set device address (#19471)
• drivers/servo: Fix missing dep (#19515)
• drivers/slipdev: fix logic bug (#19633)
• drivers/usbussynopsysdwc2: fix interrupt handling in DMA mode (#19459)
• gnrc/ipv6/nib: reset rs_sent counter also for not-6LN interfaces (#19747)
• gnrcsixlowpanfragrb: fix OOB write in _rbufadd (#19680)
• gnrcsixlowpanfrag_sfr: fix ARQ scheduler race-condition (#19679)
• gnrcsixlowpaniphc: fix NULL pointer dereference (#19678)
• gnrcsixlowpaniphc: prefix bits outside context must be zero (#19649)
• ipv6/nib: 6LBR should not send RS on their downstream interface (#19335)
• makefiles/arch/riscv.inc.mk: speed up toolchain detection (#19791)
• makefiles/tools/serial.inc.mk: Handle new miniterm versions (#19444)
• nrf5x_common: Clear I2C periph shorts (#19735)
• pkg/openthread: set event callback before netdev init (#19547)
• sys/color: extend unittest and fix module (#19693)
• sys/net/rpl: fix missing assignment operator (#19749)
• sys/net/rpl: fix possible NULL dereference (#19611)
• sys/shell: fix missing generic lora settings in ifconfig (#19466)
• sys/usb/usbus_msc: fix typo in C expression (#19637)
• sys/usbus/msc: fix EP sizes for USB HS and buffer alignment in DMA- mode (#19458)
• sys/xtimer: improve documentation (#19681)
• tests/buildsystem/externalboard_dirs: fix broken symlinks (#19584)
• tests/drivers/l3gxxxx: fix used sensor version for iotlab boards (#19550)
• tools/mspdebug: fix make debug and make debugserver (#19556)
• tools/openocd: Fix handling of OPENOCDCMDRESET_HALT (#19506)
• usbus/msc: fixes for synopsys dwc2 driver (#19455)
• usbus: don't trigger assertion in usbusurbsubmit() (#19664)

Known issues

Network related issues (51)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• example/gnrcborderrouter cannot answer after some time (#19578)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• Global IPv6 addresses remain deprecated after receiving RA (#19846)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: old routes are not deleted (#19423)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• LWIP TCP Communication Error (#19676)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• pkg/tinydtls: DTLS handshake does not work (#19595)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (7)

• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (13)

• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• drivers/st7735: faulty driver initialization (#19818)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (15)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (7)

• buildtest uses wrong build directory (#9742)
• Build dependencies - processing order issues (#9913)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• EXTERNALMODULEDIRS silently ignores non-existent entries (#17696)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• missing build dependencies in the rust build (#19714)

Other issues (64)

• [TRACKING] sys/shell refactoring. (#12105)
• [tracking] unnecessary use of floating point arithmetic (#19614)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• at86rf215 stops receiving until sending a packet (#19653)
• b-l072z-lrwan1: tests/ztimer_overhead: test failure (#19224)
• backport_pr: Only works for when fork is in user (not in organization) (#18486)
• benchmark_udp: hammering with low interval causes issues (#16808)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Builds fail when different execstack options are around in objects (#18522)
• Can't build relic with benchmarks or tests (#12897)
• CC2538-CC2592EM has a very weak transmit power (#17543)
• CC2538DK board docs: broken links (#12889)
• cpp: Exception handling undefined (#17523)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/boards: information concerning access to RIOT shell (#17453)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• examples/gcoap: client broken (#19379)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• frdm-k22f fails tests/periph_timer (#19543)
• Freeze into semtechloramacsend call (pkg/semtech-loramac) (#18790)
• gcoap: gcoapreqsend and related should return negative for errors (#19393)
• gnrcipv6nib: Neighbor Solicitation ping-pong (#18164)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• kconfiglib.py choice override of menuconfig bug (#19069)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• MTD is confusing (#17663)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• Order of auto_init functions (#13541)
• periphrtt: rttset_alarm() blocks IRQ for 80 plus usec on STM32 (#19520)
• pkg/tinydtls: Multiple issues (#16108)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• samr34-xpro: some tests failing (#19223)
• sock_dtls: unable to send big messages (#17996)
• spurious IRQs in periph_timer (#18976)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• STM32 Nucleo boards improperly clocked (#19778)
• sys/riotboot: documentation issues (#11243)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Types in byteorder.h need a cleanup (#14737)
• USB identifiers with funny characters create mojibake (#17776)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)
• ztimer is incompatible with real-time requirements (#18883)

There are 161 known issues in this release

Fixed Issues since the last release (2023.04)

• Not able to flash binary on samr21-xpro boards choosing serial number (#19805)
• STM32F4-discovery + mrf24j40 not working (#19711)
• Deprecated documentation? (#19667)
• usbuscdcecm: failed assertion when host reboots (#19663)
• Bug: eptosockaddr() does not update in6addr->sin6scopeid (#19486)
• SPI access in LoRa-e5 and im880b? (#19025)
• qn9080 I2C driver spins in endless loop (#19021)
• pkg_libhydrogen tests fail / update libhydrogen (#18508)
• [gcoap-dtls] Posting a message yields a stack overflow on the samr21-xpro with ECC (#18292)
• driver/sx126x:sx1268 spreading factor support LORA_SF5 (#17861)
• Bug: BUILDINDOCKER=1 doesn't work when running make compile- commands (#17507)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• cpu/stm32/periph/rtc overflow error (#16574)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• build: info-build doesn't work with boards without port set (#15185)
• Two bugs may lead to NULL dereference. (#15006)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• BUILDINDOCKER ignores USEMODULE (#14504)
• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• ethos: Unable to choose global source address. (#13745)
• Potential security and safety race conditions on attached devices (#13444)
• Cannot use LLVM with Cortex-M boards (#13390)
• Sleep mode for Arduino (#13321)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• floats and doubles being used all over the place. (#12045)
• send data with UDP at 10HZ, the program die (#11860)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)
• sys/stdio_uart: dropped data when received at once (#10639)
• CC2538 RF overlapping PIN usage (#8779)
• doxygen: riot.css modified by 'make doc' (#8122)
• cpu/native: timer interrupt issue (#6442)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)

35 fixed issues since last release (2023.04)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by benpicco over 2 years ago

riot - Release-2023.04

RIOT-2023.04 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2023.04 release includes:

• Mass Storage Class Support in USBUS
• Initial support for libSCHC
• FlashDB support
• BLE downlink in GNRC Border Router
• DTLS support for nanoCoAP in client mode
• Congestion control for 6LoWPAN Selective Fragment Recovery
• avr/flash_utils: strings (and other const data) no longer needs to be copied to RAM
• New boards:
  • esp32c3-wemos-mini
  • esp32s2-lilygo-ttgo-t8
  • esp32s2-wemos-mini
  • esp32s3-pros3
  • rpi-pico-w
  • sipeed-longan-nano
• New device drivers:
  • Black/white e-Paper/e-Ink display
  • RFID reader (MFRC522)
  • ST VL53L1X Time-of-Flight sensor

280 pull requests, composed of 595 commits, have been merged since the last release, and 3 issues have been solved. 27 people contributed with code in 83 days. 1246 files have been touched with 177090 (+) insertions and 36429 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/compiler_hints: add likely() / unlikely() hints (#19156)
• core/xfa: disable asan on llvm (#19271)
• pkg/libfixmath: bump version (#19182)

System Libraries

• drivers/wdt: add periphwdtauto_start for early watchdog (#18257)
• fuzzing: Add uri_parser setup (#19057)
• Revert "sys/pmlayered: pm(un)block add attribute optimize(3)" (#19155)
• sys/coding: add XOR based coding module (#17045)
• sys/event: add event sources (#18758)
• sys/irq: Add C++ wrapper using RAII (#17066)
• sys/phydat: add functions for Unix time conversion to phydat (#19080)
• sys/trickle: cleanup deps (#19404)
• sys/vfs: add force option to vfs_umount() (#19320)
• usbus/msc: add CONFIGUSBUSMSCAUTOMTD option to create LUNs on init (#19356)
• usbus/msc: add initial Mass Storage Class support (#19242)
• USBUS: Add URB support (#17091)
• ztimer: add ztimer_stopwatch convenience functions (#19343)
• bootloaders: fix bootloader button logic (#19365)
• makefiles/suit: make it possible to accept multiple SUIT keys (#18459)
• sys/bitfield: don't touch unrelated bits in bf{set, clear}all() (#19400)
• sys/cpp11-compat: Remove xtimer deps (#19369)
• sys/fmt: optimize scnu32dec scnu32hex (#19027)
• sys/fmt: use fflush(); stdio_write() instead of fwrite() (#19250)
• sys/shell_lock: do not call strlen, less jumpy (#19157)
• sys/tinystrerror: make use of flashutils.h (#19332)
• testutils/printstack_usage: use thread.h API (#19226)
• usbus/dfu: do not create alt interface if NUM_SLOTS=1 (#19386)

Networking

• gcoap/fileserver: add event callbacks (#18414)
• gnrcsixlowpanfragsfrcongure: optional congestion control support (#16171, #16159, #16170, #16158)
• gnrc_static: add static network configuration (#18477)
• nanocoaplinkformat: add helper function to parse Link Format (#18134)
• pkg/tinyusb: add tinyUSB netdev driver (#18903)
• cord: bump reference from draft to rfc (#19367)
• cord: convert to ztimer (#19391)
• gnrcipv6nib: clean up resolveaddr() (#18939)
• nanocoap_sock: ensure response address is the same as request address (#19361)
• nanocoap_sock: implement DTLS socket (#18724)
• nanocoapsock: implement nanocoapsock_delete() (#18738)
• nanocoapsock: store message ID in nanocoapsock_t (#19178)
• pkg/tinydtls: Reduce default verbosity, increase default sizes when CoAP is used (#19331)
• shell/cmds: GNRC: replace puts() with printf() (#19327)
• shell/gnrcicmpv6echo: separate ICMPv6 echo sending / parsing from shell command (#18934)
• sockdtls: move common code into sockdtlsestablishsession() (#19142)
• sys/net/gnrc/netif: fixing no global address wait (#19402)
• sys/net/grnc/netreg: avoid creating an infinite loop (#19238)

Packages

• libschc: initial import as package (#18515)
• pkg/arduinoadafruitsensor: add Adafruit Unified Sensor Driver as package (#17460)
• pkg/wolfssl: Update wolfSSL to 5.5.4 and add DTLS 1.3 support (#19302)
• pkg: add FlashDB (#17612)
• pkg/fatfs: bump to r0.15 (#19347)
• pkg/lz4: bump version to 1.9.4 (#19180)
• pkg/minmea: bump version (#19183)
• pkg/nanopb: bump version to 0.4.7 (#19179)
• pkg/tinydtls: bump version (#19184)
• pkg/tinydtls: drop libc_gettimeofday dependency (#19247)
• pkg/tinyusb: bump to 0.15 (#19276)
• pkg/u8g2: bump version (#19285)
• pkg/wolfssl: Fix memory leaks in wolfSSL sock_tls (#19190)
• tests/pkg_nanors: use static allocation (#19382)
• pkg/tinyusb: add GD32VF103 support (#19256)
• pkg/lwext4: add lightweight implementation of the ext2/3/4 filesystem (#18682)

Boards

• boards/esp32c3-wemos-mini: add support for Wemos ESP32-C3 mini (#19417)
• boards/esp32s2-mini: add definition for ESP32 S2 Mini (#18863)
• boards/nucleo64: Add pinout diagrams from UM1724 (#19406)
• boards/seeedstudio-gd32: add mtdsdcarddefault (#19293)
• boards/seeedstudio-gd32: complete and improve board definition (#19166)
• boards/sipeed-longan-nano: add BOOT as user button (#19419)
• boards/sipeed-longan-nano: add definition for the Sipeed Longan Nano GD32VF103 board (#19170)
• boards: add esp32s3-pros3 support (#19088)
• boards: support for the LILYGO TTGO T8 ESP32-S2 board (#19284)
• cpu/native: implement periphrtcms (#19340)
• drivers/mrf24j40: add support for IEEE 802.15.4 Radio HAL (#18472)
• drivers/mtdsdcard: add mtdsdcard_default module (#19216)
• makefiles/tools/serial.inc.mk: Allow detection of debug adapter (#19119)
• boards/adafruit-itsybitsy-m4: turn off APA102 LED on startup (#19357)
• boards/esp*: complete SD Card MTD config (#19255)
• boards/esp32: enable RGB LED support (#19408)
• boards/gd32v: improve board definitions (#19249)
• boards/rpi-pico-w: fix too large board image (#19159)
• boards/rpi-pico-w: initial support for rpi pico W board (#19071)
• boards/sipeed-longan-nano: default to flashing via DFU (#19204)
• boards/stm32f4discovery: default to stdio via CDC ACM (#19259)
• boards: common: stdiocdcacm: let tests wait a bit for serial port (#19128)
• cpu/rpx0xx/cmsis: Update vendor header files (#19416)

CPU

• bootloaders/riotboot: add tinyUSB DFU support (#19010)
• core/init: add early_init() (#19082)
• cpu/esp32: add periph_flashpage support (#19079)
• cpu/gd32v: add periph_adc support (#19188)
• cpu/gd32v: add periph_dac support (#19248)
• cpu/gd32v: add periphgpioirq support (#19185)
• cpu/gd32v: add periphgpioll and periphgpioll_irq support (#19243)
• cpu/gd32v: add periph_i2c support (#19201)
• cpu/gd32v: add periph_pwm support (#19209)
• cpu/gd32v: add periph_rtc support (#19186)
• cpu/gd32v: add periphrtcmem support (#19254)
• cpu/gd32v: add periph_rtt support (#19202)
• cpu/gd32v: add periph_spi support (#19214)
• cpu/gd32v: add pmlayered support in periphpm (#19187)
• cpu/stm32/periph: Add GPIO LL IRQ support for STM32F1 (#19412)
• cpu/stm32/periph: Implement GPIO LL for STM32F1 without IRQ support (yet) (#19407)
• picolibc: add support for picolibc >= 1.8 (#19341)
• sys/stdio_udp: add stdio over UDP (#19081)
• cpu/esp32: cleanup of ESP-IDF interface API (module esp_idf_api) (#19426)
• cpu/espcommon: use generic WIFISSID/WIFI_PASS defines (#19286)
• cpu/gd32v/periph_i2c: interrupt based driver (#19269)
• cpu/native: Switch to ztimer for gettimeofday (#19349)
• cpu/riscvcommon: convert to uwordt usage (#19345)
• cpu/sam0_common: adc: implement 16 bit mode by oversampling (#19165)
• cpu/stm32/periph/i2c: export PERIPHI2CMAXBYTESPER_FRAME (#19279)
• cpu/stm32/periph/timer: don't stop counter (#19263)
• cpu/stm32/periph/timer: fix clobered IRQ flag (#19385)
• cpu/stm32/usbdevfs: fix ep registration and EPREG assignments backport 2023.04
• drivers/at24cxxx: implement mtdat24cxxxreadpage (#19270)
• Fix stm32 timer periodic (#19363)
• sam0/usbdev: partial revert of #17086 (#19384)
• sys/usbus: check for the number of required and provided EPs in static configurations (#19371)

Device Drivers

• black/white e-Paper/e-Ink display driver (#12509)
• drivers/mfrc522: add new driver (#16782)
• drivers/servo: reimplement with high level interface (#18392)
• drivers/usbdevsynopsysdwc2: add ESP32x power management (#19399)
• drivers: add driver for ST VL6180X ranging and ambient light sensor (#10462)
• drivers/at24cxxx: merge mtd driver with at24cxxx.c (#19281)
• drivers/periph_common/flashpage: fix silent error (#19175)
• drivers/slipdev: implement sleep states (#17810)
• drivers/ws281x: improve timing for ESP32x (#19422)
• drivers/ws281x: add RMT hardware support for ESP32x SoCs (#19424)

Documentation

• doc: Add out of tree RIOT app documentation (#19324)
• blobs: include documentation in doxygen (#19200)
• doc/porting-boards.md: fix code snippets in md view (#19206)
• Doc: document generate-makefile.ci (#19239)
• doccheck: avoid generating dot or html (#19228)

Build System / Tooling

• tools/compilelikemurdock: Add features (#19351)
• tools/doccheck: add simple exclude to doccheck (#19240)
• tools/renode: add support for target reset (#19375)
• build system: Fix linker feature test with newlib 4.3.0 (#19232)
• ci/print_versions: print all ESP32 toolchains (#19309)
• dist/tools/doccheck: Fix grep warning (#19220)
• dist/tools/insufficient_memory: Improve and clean up script (#19291)
• esptools/install.sh: Fix shellcheck issues (#19325)
• Fix compile_like_murdock.py when board is empty (#19370)
• make: pass make jobserver to cargo (#19203)
• Makefile.dep: pull in FEATURES_REQUIRED for periph (#19234)
• toolchain/gnu.inc.mk: don't check version if CC is not installed (#19137)

Kconfig

• drivers/sx126x: make MODULESX126XRF_SWITCH hidden in kconfig (#19194)
• Fix SX126X-STM32WL module in Kconfig (#19191)

Examples

• examples/gnrcborderrouter: add BLE as downlink option (#19321)

Testing

• bors.yaml: re-activate labels check + add block_labels (#19161)
• CI: re-add "synchronize" event to check-labels (#19136)
• gh-actions: report release-tests result to Matrix (#19102)
• CI: .murdock: fix bors fast build (#19241)
• CI: .murdock: use build checkout for ccache tmp (#19274)
• CI: separate check-labels and check-commits workflows (#19120)
• CI: update check-labels-action (#19101)
• test/periph_rtc: reset struct tm time between tests (#19344)
• tests/gnrc_rpl: Disable CI test for native (#19171)
• tests/periphflashpageunittest: enable periph_flashpage (#19215)

API Changes

• usbdev: Add dedicated stall functions (#17086)
• drivers/mtd_flashpage: implement pagewise API, don't use raw addresses (#19258)
• gcoap: Finish the gcoapgetresourcelisttl -> gcoapgetresource_list renaming (#19295)
• drivers/servo: reimplement with high level interface (#18392)
• cpu/espcommon: use generic WIFISSID/WIFI_PASS defines (#19286)
• sys/vfs: add force option to vfs_umount() (#19320)

Uncategorized

• MAINTAINING.md: add some notes on Bors (#19329)
• RDM: The 802.15.4 Radio HAL (#13943)
• SECURITY: Describe that declassification is an option (#19149)
• SUBSYSTEMS.md: migrate subsystem list from wiki (#19060)

And 57 minor changes.

Bug fixes (53)

• boards/common: add common timer config for GD32VF103 boards (#19205)
• cpu/esp_common: Add missing disconnect reasons (#19381)
• Make: Add generate-Makefile.ci (#19244)
• usbus: Add support for full speed with high speed phy (#19438)
• boards/common/cc26xx cc13xx: clean up and fix flash configs (#19050)
• boards/esp32s2-lilygo-ttgo-t8: fix STDIO selection in Kconfig (#19287)
• boards/remote-*: drop custom led_init() (#19348)
• boards/seeedstudio-gd32: fix HXTAL clock in Kconfig (#19129)
• boards/stm32f4discovery: use default port to access stdio via cdc acm (#19376)
• boards: fix USB configuration for stm32f429i-disco (#19437)
• cord: include gcoapreqsend returning 0 in error (#19383)
• cpu/esp32: fix and improve UART initialization (#19146)
• cpu/esp32: fix stdiousbserial_jtag for ESP32-C3 (#19415)
• cpu/esp32: fixes for boot issues and crashes on ESP32 (#19192)
• cpu/esp32: use ets_printf instead of puts in startup (#19420)
• cpu/gd32v: fix gpioread in periphgpio (#19418)
• cpu/gd32v: move board dependent RTT configs to board config (#19211)
• cpu/stm32: Fix periph_spi operation in non-DMA mode (#19431)
• dist/tools/esptools/export.sh: fixes IDFTOOLSPATH default setting (#19125)
• dist/tools/openocd: fix problems with riotboot caused by flashaddr function for OpenOCD v0.12 (#19409)
• driver/usbdevsynopsysdwc2: use correct number of EPs (#19380)
• drivers/at86rf2xx: fix default page being ignored backport 2023.04
• drivers/usbdevsynopsysdwc2: disable DMA mode (#19388)
• drivers/usbdevsynopsysdwc2: fix and re-enable DMA mode (#19397)
• drivers/usbussynopsysdwc2: fix interrupt handling in DMA mode backport 2023.04
• efm32/dac: Shift instead of masking (#19318)
• gcoap: Do not send responses from multicast addresses (#19272)
• gh-actions: check-labels: move to upstream fix (#19160)
• gnrcnetif: set lower bound for IEEE802154STACKSIZE_DEFAULT (#19339)
• gnrc_static: don't parse address as prefix (#19313)
• makefiles/boards/stm32: fix DFUUSBID handling (#19374)
• makefiles/tools/serial.inc.mk: Handle new miniterm versions backport 2023.04
• matrix keypad: Fix memcpy bug in initialization (#19162)
• nanocoap_sock: don't include token in empty ACK response (#19366)
• native/stdio: Explicitly provide getchar (#19330)
• pkg/esp8266_sdk: fix version string generation (#19123)
• pkg/nimble/autoadv: fix flag comparisons (#19235)
• pkg/tinyusb: fix default VID/PID configuration (#19377)
• release-tests: fix PASSED chat message (#19145)
• security fixes backport 2023.04
• shell/gnrcicmpv6echo: acquire ZTIMER_USEC clock for time measurement (#19055)
• socket_zep: only report size of single datagram (#19121)
• sys/clif: Fixing out of bounds read under certain conditions (#18746)
• sys/net/dhcpv6: include IA Prefix Option in SOLICIT (#19225)
• sys/phydat: Fix unit confusion (#19292)
• sys/shell: don't include suit command by default (#19294)
• sys/suit: Ensure previous thread is stopped before reusing its stack (#19199)
• sys/usbus/cdc/ecm: fix High-Speed mode (#19358)
• sys/usbus: handle exceeding number of endpoints (#19362)
• sys/ztimer: ztimermock: guard ztimerondemand static functions (#19118)
• tests/driverdacdds: fix output of sine and saw functions (#19251)
• tests/{sysfido2ctap/usbusboardreset}: fix stdiousbserial_jtag dependency (#19261)
• usbus/msc: fixes for synopsys dwc2 backport 2023.04

Known issues

Network related issues (52)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• [gcoap-dtls] Posting a message yields a stack overflow on the samr21-xpro with ECC (#18292)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• CC2538 RF overlapping PIN usage (#8779)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (9)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (16)

• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (16)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• examples/gnrcborderrouter: espwifiinit failed with return value 257 on ESP32-C3 with nimble_rpble (#19319)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (11)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)

Other issues (48)

• 2023.04 release bug tracking (#19469)
• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• pkg_libhydrogen tests fail / update libhydrogen (#18508)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• SPI access in LoRa-e5 and im880b? (#19025)
• stdio_ethos: infinite shell loop (#17972)
• stdiotinyusbcdc_acm hangs with picolibc (#19277)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkglibschc: Failing testreassemblesuccessack_always (#19445)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• usbus/msc: wrong error handling and behavior after usb reset (#19478)
• Use of multiple CAN bus on compatible boards (#14801)

There are 156 known issues in this release

Fixed Issues since the last release (2023.01)

• bootloader: BTNBOOTLOADERINVERTED doesn't work as expected. (#19364)
• Race condition in SUIT around threads terminating (#19195)
• socketzep: fragmentation broken if destination is multicast / ACKREQ not set (#19117)

3 fixed issues since last release (2023.01)

Boards tested during this release

• esp32-wroom-32 PASS
• nrf52840dk PASS
• nucleo-f429zi PASS
• samr21-xpro PASS
• arduino-mega2560 FAIL
• b-l072z-lrwan1 FAIL
• b-l475e-iot01a FAIL
• dwm1001 FAIL
• frdm-kw41z FAIL
• iotlab-m3 FAIL
• nrf52dk FAIL
• nucleo-l452re FAIL
• nucleo-wl55jc FAIL
• remote-revb FAIL
• saml10-xpro FAIL
• samr34-xpro FAIL

See the release tracking issue (#19469) for more details.

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by MrKevinWeiss almost 3 years ago

riot - Release-2023.01

RIOT-2023.01 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

We are proud to announce the release of RIOT 2023.01, marking the tenth anniversary of the project. Over the past decade, RIOT has become a thriving open-source community, delivering cutting-edge technology for Internet of Things (IoT) devices. This release builds on top of the hard work and dedication of our developers, users, and contributors, and we would like to extend a heartfelt thank you to everyone who has been a part of our journey. Here's to another decade of innovation and growth!

Noteworthy changes the 2023.01 release includes, among many fixes and little things:

• ztimer_ondemand: The next step towards seamless and automatic power management.
• The Rust examples now default to stable Rust.

187 pull requests, composed of 570 commits, have been merged since the last release, and 13 issues have been solved. 37 people contributed with code in 58 days. 1248 files have been touched with 516544 (+) insertions and 12047 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/lib: define MAYBE_UNUSED (#18884)
• core/marco: fix DIV_ROUND (#18858)

System Libraries

• congure_abe: initial import of TCP Alternative Backoff with ECN for CongURE (#15968)
• congure_quic: initial import of QUIC congestion control (#15952)
• pkg/tinyusb: add common USB descriptors implementation (#18835)
• sys/bitfield: add bffindfirst_{set, unset}() (#18833)
• sys/bitfield: add bf_popcnt() (#18879)
• sys/malloc_tracing: add module to trace dyn memory management (#18912)
• sys/stdiouart: add stdiouart_onlcr (pseudo-) module (#18731)
• sys/tinystrerror: add tinystrerror_minimal (#18768)
• ztimer: add ztimer_ondemand module for implicit power management (#17607)
• rust: Use stable Rust (#18839)
• suit: start worker thread on demand, make suithandleurl() public (#18551)
• sys/pmlayered: align pmblocker_t for speed (#18846)
• sys/printstackusage: update MIN_SIZE (#18917)
• sys/shell: drop ping6 alias (#18931)
• sys: preprocessor successor module (#18299)
• tests/pbkdf2: de-flanky-fy test (#18932)
• usbus/hid: fix buffer overflow in hid_io (#18860)

Networking

• examples/gcoap: add IPv4 support (#17763)
• gnrc/ipv6autosubnets: add CONFIGGNRCIPV6AUTOSUBNETS_STATIC option (#17429)
• gnrcsixlowpanfrag_sfr: add support for queue-based ECN (#16175)
• gnrcsixlowpanfrag_sfr: provide CongURE support (#16156)
• nanocoap: add support for no-response option (#18154)
• sys/net/nanocoap: introduce Accept option helper (#18772)
• sys/net: add Size1 and Size2 option numbers (#18799)
• drivers/at86rf2xx: migrate to ztimer (#18822)
• gnrc: make pseudo-modules explicit + documentation improvements (#18727)
• gnrcsockudp: accept response from any address if remote is multicast (#18854)
• gnrc_udp: use small stack-size (#18709)
• net/nanocoap: remove coap_pkt token ptr (#17983)
• paho: use GNRC instead of lwip (#18982)
• sys/include: remove kernel_defines.h where not needed (#18887)

Packages

• pkg/arduinosdi12: bump version, fix patches (#18796)
• pkg/lvgl: bump to 8.3.3 (#18794)
• pkg/tinyusb: support for multiple configuration descriptors (#18983)
• pkg/wamr: Update to WAMR-1.1.1 (#18994)

Boards

• boards/cc1350: add info concerning shell access (#18808)
• boards/dwm1001: add saul_gpio support (#18818)
• boards/lora-e5-dev: add arduino feature (#18792)
• boards/nucleo-l496zg: add ADC support (#18940)
• boards: add support for EFM32GG12 Thunderboard Kit (SLTB009A) (#18755)
• cpu/efm32: add periph_adc support for Gecko Series 2 (#18933)
• cpu/efm32: add periphuartmodecfg support for Gecko Series 2 (#18946)
• drivers/usbdevsynopsysdwc2: add support for internal UTMI HS PHY (#18714)
• EFM32: add cpu family EFR32ZG23 and board xG23-PK6068A (#18780)
• pkg/tinyusb: add nrf52 support (#18781)
• pkg/tinyusb: add STM32 USB FS device driver (#18786)
• pkg/tinyusb: add ULPI and UTMI+ HS PHY support for STM32 USB OTG HS ports (#18776)
• boards/blxxxpill-128kib: default to CDC ACM for stdio (#18743)
• boards/common/nrf52: improve default clock config (#18811)
• boards/im880b: refactor code (#18451)
• boards/nucleo-f207zg: support for ADC (#18847)
• boards/nucleo-l* and g*: update doc concerning Vbat (#18984)
• cpu/stm32: Fix stm clock configuration (#18797)

CPU

• cpu/saml21: add interaction with pm_layered for peripheral drivers (#18821)
• cpu/stm32: add unused backup RAM as extra heap (#18921)
• debugirqdisable: add module to debug time spent in irq_disable (#18795)
• boards/native: Remove macOS as native target (#18735)
• cpu/efm32: preparing introduction of Gecko Series 2 (#18764)
• cpu/saml21/pm: allow blocking IDLE mode (#18825)
• cpu/stm32: improvement of USB device driver selection (#18787)
• makefiles/cflags.inc.mk: don't include absolute path in FILE macro (#18913)
• makefiles/gnu.inc.mk: set flags based on compiler version (#18935)
• pkg/gecko_sdk: Bump to version 4.1.2 (#18739)
• pkg/tinyusb: implement stdio via CDC ACM (#18804)
• sam0/rtc_rtt: optimizations to get around the painful long syncwaits (#18920)
• socketzep: make use of crc16ccittfalseupdate() (#18779)
• treewide: replace RIOTFILERELATIVE with FILE (#18936)

Device Drivers

• drivers/at: add a function read a response plus the OK (#18753)
• matrix_keypad: Add matrix-style keypad module (#18733)
• drivers/at86rf2xx: isolate netdev logic (#18988)
• drivers/sdcardspi: make use of crc16ccittfalseupdate() (#18778)

Documentation

• boards/cc13xx_cc26xx: remove broken HTML links and headings in doc (#18809)
• boards/nucleo-l4r5zi: doc improvements (#18747)
• docs/kconfig: "not longer" -> "no longer" typo (#18922)
• pkg/tinyusb: update doc for tusbappconfig.h and common descriptor handling (#18901)

Build System / Tooling

• .vscode: import initial RIOT-OS style (#18945)
• build-system: add capability to execute scripts with custom executor (#18770)
• dist/tools: add "RESET_PIN" value for the dwm1001 (#18815)
• examples/gnrcborderrouter: add option to re-use existing TAP interface (#18836)
• makefiles/tools/serial.inc.mk: add support for bootterm (#18749)
• tapsetup: add --loss & --delay option (#18885)
• tools/cpy2remed: add support for NOD_xxxx removable media (#18824)
• build system: fix compilation with LLVM (#18845)
• CI: canfastci_build.py unittests fix (#18996)
• dist/tools/pyterm: avoid deprecated .setDaemon (#18754)
• utils/uncrustify: display warning instead of error (#18877)

Kconfig

• pkg/tinyusb: add Kconfig support for stdiotinyusbcdc_acm (#19007)

Examples

• examples/gcoap: replace parseendpoint by sockudpname2ep (#17870)
• examples/timerperiodicwakeup: switch to ztimer (#19001)
• examples: Remove macOS references in README (#18850)

Testing

• tests/pkg_tinyusb*: add a BOARD to make make build (#18888)
• CI: drop obsolete murdock note (#18905)
• CI: update murdock yml (#19022)
• test/unittest: cleanup most vera++ complains (#18807)
• tests/bitarithm_timings: shorten timeout from 5s to 200ms (#18894)
• tests/periph_timer: also test for spurious IRQs (#18963)
• unittests/uri_parser: Rework tests to be more verbose (#18734)

API Changes

• nanocoap: add request context to coaphandlereq() (#18816)

Uncategorized

• release-notes.txt: add 2022.10 release notes (#18947)
• .drone: Remove unmaintained .drone file (#18832)
• README.md: update CI badge (#18685)
• README.md: update features (#18777)

And 38 minor changes.

Bug fixes (44)

• pkg/tinyusb: add usbboardreset support (#19006)
• boards/common/blxxxpill: Fix pin conflicts in periph_conf (#18785)
• boards/common/nrf52: fix timer config (#18948)
• boards/dwm1001: use lis2dh12i2c instead of lis2dh12spi (#18857)
• bootloaders/riotboot_dfu: fixes including sys/usb/usbus/dfu (#18964)
• core/mbox: fix race condition (#18955)
• cpu/atmegacommon/periphtimer: fix spurious IRQs (#18978)
• cpu/efm32/pm: fix blocking EM1 (#18775)
• cpu/efm32/timerseries2: fix interaction with pmlayered (#18814)
• cpu/esp32: set bootloader XTAL frequency configuration to automatic (#18829)
• cpu/esp{32,8266}/periph_timer: allow changing callback or freq (#18971)
• cpu/nrf5x/timer: fix high current consumption in powered off state (#18953)
• cpu/nrf5x/uart: run STOPTX task after finished tx (#18954)
• cpu/nrf5xcommon/periphtimer: fix spurious IRQs (#18970)
• cpu/qn908x: use bitarithmtestand_clear() & fix cb (#18989)
• cpu/stm32/periph_timer: fix spurious IRQs and race conditions (#18969)
• cpu/stm32: fix periph_dma (#18711)
• cpu/stm32: fix RAM_LEN for F427, F429, F437, F439 models (#18919)
• dist/tools/usb-serial: fix exception on missing entries (#19011)
• drivers/atwinc15x0: don't disable interrupts (#18800)
• drivers/ethos: Fix off-by-one bug (#18823)
• drivers/slipdev: fix off-by-one error in _recv() (#18826)
• drivers/usbdevsynopsysdwc2: small fixes (#18759)
• Fix kconfig mismatch breaking nightlies (#18805)
• gnrc: Fix unused function error when using LLVM (#18852)
• gnrc_sixlowpan: Various hardening fixes (#18817)
• makefiles/libc/picolibc.mk: fix compilation with modern binutils (#18893)
• nanocoapsock: don't store entire sock in coapblockrequestt (#18827)
• nanocoap_sock: only re-transmit CON messages (#18819)
• pkg/nimble: signal LINK_UP on initialisation (#18979)
• pkg/tinyusb: fix the reset of the USB connection for STM32 boards without internal D+ pullup (#18992)
• pkg/utensor: fix uninitialized variable (#18862)
• sam0common: use sizet len for I2C transfers (fixes #19008) (#19009)
• sys/clif: Fixing out of bounds read under certain conditions (#18744)
• sys/net/gnrc/pkt: fix gnrcpktdelete() (#18874)
• sys/net/grnc/netreg: avoid freeing wild pointers (#18951)
• sys/stdio_uart: fix undefined behavior (#18774)
• sys/uri_parser: fixing potential out of bounds read when consuming ports (#19016)
• sys/ztimer: model ztimerperiphlptimer for Kconfig (#18783)
• test-on-iotlab: several fixes to make it runnable again (#18722)
• tests/congure_abe: reset node before starting terminal (#18769)
• tests/pkg_utensor: increase main threads stack size (#18952)
• tests/shell: fix failure on samr21-xpro (#18891)
• tests: set netdev event_callback before calling init (#18745)
• tools/backport_pr: finally fix running outside of repo's root (#18881)

Known issues

Network related issues (52)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• [gcoap-dtls] Posting a message yields a stack overflow on the samr21-xpro with ECC (#18292)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• CC2538 RF overlapping PIN usage (#8779)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrc_rpl: takes unusually long time to start routing packets (#19147)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (9)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (16)

• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (4)

• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)

Other platforms related issues (15)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (11)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)

Other issues (44)

• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• pkg_libhydrogen tests fail / update libhydrogen (#18508)
• Potential race condition in compileandtestforboard.py (#12621)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• SPI access in LoRa-e5 and im880b? (#19025)
• stdio_ethos: infinite shell loop (#17972)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Use of multiple CAN bus on compatible boards (#14801)

There are 151 known issues in this release

Fixed Issues since the last release (2022.10)

• Race condition in SUIT around threads terminating (#19195)
• socketzep: fragmentation broken if destination is multicast / ACKREQ not set (#19117)
• sam0_sdhc: SDXC cards are not detected / handled properly (#18458)
• semtechloramacinit blocking (#17907)
• tests/thread_float: crashes on avr-rss2 (#16908)
• esp8266 precompiled bootloaders don't support partitions past 1MB (#16402)
• SIGFPE on native architecture when printing double floats on Ubuntu 21.04 (#16282)
• I found stm32 DMA periph driver bugs! when I tested stm32l431rc board. (#16242)
• pyterm on stdiocdcacm stops working after a few seconds (#16077)
• Unclear how Router Solicitations are (or should be) handled (#15926)
• examples/ccn-lite: floating point exception while testing on native (#15878)
• usb-serial/list-ttys.sh: Broken when a debugger offers multiple serial ports (#15814)
• tests/pkg_tensorflow-lite: tests randomly failing on nrf52dk and esp32-wroom-32 (#13133)

13 fixed issues since last release (2022.10)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by kaspar030 about 3 years ago

riot - Release-2022.10

RIOT-2022.10 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2022.10 release includes, among many many bug fixes and improvements, the following prominent contributions:

Security Fixes

The GNRC network stack has received a number of security fixes. All users of GNRC are advised to update to the new release. Given that no user facing breaking API changes are included, we are hopeful that the update is painless and quickly possible.

ESP32 family

RIOT has been ported to the ESP32-C3, ESP32-S2, and the ESP32-S3 MCUs. In addition driver support for the integrated BLE transceiver of the ESP32 MCUs has been added.

Major CI Upgrade

While the CI is developed in an independent repository, it is still a noteworthy change that our CI software, Murdock, was updated since the last release. In addition to changes under the hood the web front end got a major revamp. You will directly notice the improvements in page load time and clarity/structure of the interface. If you haven't already, please check out https://ci.riot-os.org to take a look.

Support for Priority Inheritance in core_mutex

If a shared resource guarded by a mutex is used by a high priority and a low priority thread, the high priority thread may end up waiting on the low priority thread to return the resource. If medium priority threads now interrupt the low priority thread while working with the shared resource, the high priority thread ends up waiting on both medium and low priority threads. This effect is called priority inversion.

Priority inversion can in most cases be solved by carefully assigning priorities and resources. In some cases however, this cannot be avoided: Let's consider a scenario in which an I2C temperature sensor and an I2C IMU are used. Since temperature changes are slow in frequency, the temperature readings are assigned the lowest priority, while the IMU readings are assigned the highest priority. The sensible approach here is to have both sensors on distinct I2C buses. However, if e.g. only a single I2C bus is available by the hardware priority inversion cannot be prevented by careful resource and priority assignment alone. In these cases the module core_mutex_priority_inheritance can be used to lend the low priority thread the priority of the high priority thread while the high priority thread is waiting for the mutex hold by the low priority thread.

After RIOT has already been launched into space it is now ready to for Mars.

USB Support for STM32F1 MCUs

While RIOT has longstanding USB support for many STM32 MCU families, the F1 family was not supported due to some peculiarities in the memory layout. The driver has now been extended to handle them correctly. With this, the popular STM32F103 bluepill board now supports stdio via USB, which however still has to be manually enabled e.g. by:

sh USEMODULE=stdio_cdc_acm BOARD=bluepill make -C examples/default

Support for podman

Just add an export DOCKER=podman to your ~/.profile (or ~/.bashrc, or ...) and an make BUILD_IN_DOCKER=1 will use podman instead of docker to run the RIOT build container. Two major advantages of using podman over docker is the support of rootless containers and not depending on a central background daemon.

Support for Sharing nRF52 combined I2C/SPI Peripherals

The nRF52 MCUs have a limited number of combined I2C/SPI peripherals. Previously, each such peripheral could either provide a single I2C or a single SPI bus. A board configuration that used the same combined peripheral to provide both an SPI and an I2C bus previously resulted in bad surprises at run-time.

The I2C/SPI drivers have now been reworked so that they can be shared in round-robin fashion between multiple I2C and SPI buses. This is especially useful for the upcoming support of the Bangle.js 2 watch that uses more I2C buses than combined I2C/SPI peripherals available on the used nRF52840 MCU. Thanks to the sharing of peripherals, all I2C buses can now be provided by a single peripheral.

Support for GCC 12.2.0

Many fixes for compilation and runtime issues that only started to surface with GCC 12.2.0 have been fixed. This allows our users to confidentially choose the current release with little to no fear that toolchain updates in the near future will break the precious projects. In addition, we hope that the next CI update will also cause less friction.

Release Statistics

312 pull requests, composed of 819 commits, have been merged since the last release, and 29 issues have been solved. 47 people contributed with code in 84 days. 1799 files have been touched with 56827 (+) insertions and 108634 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/macros: add math helper macros (#17702)
• core/mutex: fix typo in docs (#18605)
• core: implement coremutexpriority_inheritance (#17040)
• core: Treat stack overflows as an unrecoverable error (#18448)

System Libraries

• doc: add deprecation notice on deprecated pseudo-modules (#18698)
• eventperiodiccallback: add convenience wrapper for periodic callbacks (#18598)
• shell/cord_ep: Add user guidance & prevent accidental crash (#18053)
• sys/bhp_*: add initial support for generic Bottom Half Processor (#18435)
• sys/bhp_msg: add IPC based implementation of Bottom Half Processor (#18464)
• sys/checksum: add CRC-16 implementation without lookup table (#18701)
• sys/checksum: add CRC-32 checksum (#18686)
• sys/checksum: Adding three new crc16 variations (#18516)
• sys/string_utils: add strscpy() (#18621)
• sys/ztimer: add LPTIMER auto init (#17654)
• vfs: introduce vfsformatby_path() (#18447)
• doccheck: make the file pattern more match riot.doxyfile (#18431)
• eventperiodiccallback: remove unnecessary dependency (#18610)
• fmt: unify and align wording regarding characters, digits, and bytes (#18315)
• littlefs: make block size configurable at compile time (#18141)
• makefiles/tools/serial.inc.mk: Improve PORT selection when RIOT's USB CDC ACM is used for stdio (#18525)
• makefiles: Rust fixes and info extensions (#18630)
• rust: Update dependencies (#18642)
• rust: Update dependencies, build and test more on stable (#18678)
• security: Reference CPE used for RIOT (#18574)
• suit: rename worker thread functions (#18549)
• sys/shell/vfs: make output of vfs df human readable (#18550)
• USBUS/cdc_ecm: register with netdev (#18603)
• vfs: drop unused abs_path parameter (#18672)

Networking

• dns: provide generic dns_query() function (#18378)
• gcoap/fileserver: add file and directory creation and deletion (#18133)
• gcoap: add remote sockudpept to coaprequestctxt (#18519)
• gcoap_dns: Add DNS cache support (#18329)
• gnrc/lorawan: add basic LoRaWAN 1.1 features (#17884)
• gnrcnetiflorawan: add support for LINKUP/DOWN events (#18699)
• nanocoapsock: add nanocoapsock_put() (#18514)
• net/gnrc_netif: add support for priority queues (#18496)
• net/sock/dtls: introduce sockdtlssendv_aux() (#18363)
• pkg/lwip: add support for HAL radios that require IRQ offloading (#18465)
• sock_dodtls: Initial import of a DNS over DTLS client (#16861)
• sys/net/gnrc_netif: Make use of confirm send (#18139)
• sys/net/networklayer/ipv4/addr: add ipv4addr_print function (#18694)
• sys/shell: ncput: add option to read from stdin (#18639)
• sys/uriparser: Adding the port as uint16t (#18096)
• codespell: fix remaining issues (#18604)
• dhcpv6: don't treat zero option as an end-of-payload marker (#18625)
• gcoap: accept resources in any order (#18651)
• gcoap: Forego IP address comparison in memo finding of multicasts (#17978)
• gcoap: move tltype to coaprequestctxt (#18313)
• gcoap_dns: implement Max-Age-based TTL calculation (#18443)
• gcoapforwardproxy: send empty ACK when response takes too long (#18386)
• gnrcipv6nib: handle ifaceup/ifacedown in IPv6 thread (#18708)
• pkg/lwip: fix netdev concurrency issues (#18479)
• pkg/nimble: Replace double quotes with single quotes for two CFLAGS (#18376)
• pkg/nimble:derive peer address type from peer address (#18474)
• sockdnscache: move to dns_cache (#18318)
• sys/net: include misplacement inside linkage-specification (#18587)
• treewide: s/gnrcpktbufcmd/shellcmdgnrc_pktbuf/ (#18640)

Packages

• Add package tiny-vcdiff (#17797)
• pkg/cryptoauthlib: Pass ATCANOHEAP Flag to library (#18705)
• pkg/esp32_sdk: additional patches required for ESP32-C3 (#18339)
• pkg/esp32_sdk: additional patches required for ESP32-S3 (#18408)
• lvgl/contrib: allow for SDL display driver height/width to be adjusted (#18463)
• pkg/libhydrogen: bump version (#18564)
• pkg/lvgl: bump version to 8.3.1 (#18366)
• pkg/nanocbor: bump version (#18543)
• pkg/tinydtls: bump version (#18368)
• remove version comment fixing build issue (#18489)
• pkg/tinyusb: add tinyUSB as package (#18592)

Boards

• boards/nucleo-f446ze: add support for ADC (#18647)
• boards/nucleo-f767zi: add PWM config (#18393)
• boards/samr21-xpro: add a note about EDBG UART limitation (#18567)
• boards/stm32f746g-disco: add LD1 as LED0 definition (#18673)
• boards: add support for the Waveshare nRF52840 Eval Kit (#13860)
• cpu/esp32: add support for ESP32-C3 (#18345)
• cpu/esp32: add support for ESP32-S2 (#18506)
• cpu/esp32: add support for ESP32-S3 (#18421)
• cpu/stm32/periph/usbdev_fs: add support for STM32F3 family (#18680)
• drivers/usbdevsynopsysdwc2: add USB OTG HS peripheral support for external ULPI HS PHYs (#18679)
• drivers: add driver for Synopsys DWC2 that is used as USB OTG peripheral on STM32 and ESP32x SoCs (#18644)
• pkg/tinyusb: add support for SAM0-based boards (#18689)
• boards/blxxxpill: configure usbdev_fs (#17812)
• boards/common/stm32: clean up LED definitions (#18415)
• boards/nucleo-l4r5zi: support for ADC (#18676)
• boards/remote-revb: define default MTD device (#18611)
• boards/samr34-xpro: configure SPI NOR flash (#18492)
• cpu/atxmega: fix building with avr-libc 2.1.0 (#18626)
• cpu/esp32: use CPUFAM and CPUARCH for ESP32x SoC variant dependent compilation (#18316)
• cpu/mips: Remove all mips (#18562)
• cpu/{esp8266,esp32}: cleanup of SPI Flash configuration (#18387)
• doc: fix unbalaced grouping (#18444)

CPU

• cpu/avr8_common: add strings.h for compatibility (#18623)
• cpu/esp32: add Bluetooth LE and NimBLE host support (#18439)
• cpu/esp32: add ESP32-C3 support in makefiles (#18341)
• cpu/esp32: add ESP32-S2 support to makefiles (#18503)
• cpu/esp32: add ESP32-S3 support to makefiles (#18410)
• cpu/esp32: add linker scripts for ESP32-C3 (#18340)
• cpu/esp32: add linker scripts for ESP32-S2 (#18509)
• cpu/esp32: add linker scripts for ESP32-S3 (#18409)
• cpu/esp32: add platform code for RISC-V based ESP32x SoCs (#18260)
• cpu/esp32: add some sanity checks in peripheral drivers (#18332)
• cpu/esp32: enable BLE and NimBLE host support for ESP32-S3 (#18517)
• cpu/esp32: extend file names of CPU specific files by CPU family (#18326)
• cpu/esp32: implement periph/gpioll and periph/gpioll_irq (#17442)
• cpu/esp32: split cpu_conf.h into ESP32x common and ESP32 specific parts (#18323)
• cpu/esp32: split periph_cpu.h into ESP32x common and ESP32 specific parts (#18324)
• cpu/esp32: split sdkconfig.h into ESP32x common and ESP32 specific parts (#18322)
• cpu/sam0_common: adc: add support for differential mode (#18146)
• cpu/stm32/peripheth: Add stm32eth_tracing (#18418)
• pkg/nimble: add feature bleadvext and cleanup ble_* features (#18449)
• sys/tiny_strerror: add tiny strerror() implementation (#18571)
• core/mutex: clean up (#18619)
• cpu/cortexm: clear FPU state in cpu_switch_context_exit() (#18697)
• cpu/esp*: cleanups mainly to reduce the vera++ warnings (#18333)
• cpu/esp32: cleanup of esplogwrite (#18335)
• cpu/esp32: enable BLE and NimBLE host support for ESP32-C3 (#18510)
• cpu/esp32: extend GPIO wake-up from deep sleep (#18405)
• cpu/esp32: implement periphspireconfigure (#18710)
• cpu/esp32: make esphwcounter feature dependent on ESP32x SoC family (#18317)
• cpu/esp32: move common ESP-IDF configurations to common files (#18406)
• cpu/esp32: move linker scripts to a ESP32x variant specific directory (#18325)
• cpu/esp: improve thread safety in newlib locking functions (#18544)
• cpu/espcommon: MODULEXTENSA has to depend on HASARCHESP_XTENSA (#18319)
• cpu/native: get mtd size from file size (#18669)
• cpu/nrf5x: allow multiple I2C and SPI buses on a shared periph (#18478)
• cpu/sam0/timer: supply all clocks before accessing any regs (#18527)
• cpu/sam0_common: spi: limit clock to source clock (#18223)
• cpu/stm32/periph/usbdev_fs: support for STM32F1 family (#18729)
• cpu/stm32/periph_eth: optimize IRQ handler (#18417)
• cpu: cpuprintlastinstruction() -> cpugetcallerpc() (#18226)
• cpu: make use of cortexm.ld (#18636)
• gnrcnetif: handle NETDEVEVENTLINKUP/DOWN events (#17893)
• pkg/lwip: Set netdev callback before driver init (#18548)
• socket_zep: ignore packets sent on the wrong radio channel (#18594)
• sys/net/gnrc/netif: allow checking if a netdev is legacy or new API (#18426)
• treewide: Ubuntu jammy build fixes (#18652)

Device Drivers

• drivers/wx281x: fix DEBUG format string for ESP32x SoCs (#18336)
• usbdevsynopsysdwc2: Mask RX FIFO irq when using DMA (#18726)

Documentation

• cpu/esp32: add ESP32-S2 support in documentation (#18505)
• cpu/esp32: add ESP32-S3 support to documentation (#18412)
• cpu/esp32: split the doc into ESP32x common and ESP32 specific parts (#18321)
• cpu/esp32: update documentation for ESP32-C3 (#18350)
• doc: Add high-level documentation on flashing boards (#18455)
• boards/nucleo64: doc update - usage of cpy2remed programmer and short board overview (#18419)
• boards/remote-revb: fix pinout image in doc.txt (#18615)
• dist/tools/edbg: bump version (and update SAML11 documentation) (#18384)
• doc/doxygen: use DuckDuckGo for search (#18358)
• doc: change protocol for git clone in docs (#18531)
• gnrc/ipv6autosubnets: improve documentation about subnet generation and RIO (#18398)
• tests/doc: some additions and reorganization of doc page (#18190)

Build System / Tooling

• Add podman support (#18671)
• codespell: add false positives for v2.2.1 (#18675)
• dist/tools/esptools: add ESP32-C3 toolchain (#18337)
• dist/tools/esptools: add ESP32-S2 toolchain support to {install,export}.sh (#18502)
• dist/tools/esptools: add ESP32-S3 toolchain support to {install,export}.sh (#18407)
• dist/tools/esptools: add macOS support to install/export scripts (#18385)
• dist/tools: add DOSE Linux tool (#18163)
• makefiles/tools/dfu-util: add option to pass DFU_SERIAL id (#18521)
• makefiles: Add openocd-rtt (#18526)
• tools/openocd: add generic FTDI adapter (#18628)
• tools/zepdispatch: add Wireshark capture support (via mac802154hwsim) (#18230)
• .circleci: remove directory (#18674)
• dist/tools/suit: encrypt an existing key (#18499)
• doccheck: remove exclude_patterns not needed (#18597)
• makefiles/arch/avr8.inc.mk: Fix compilation with GCC 12.2.0 (#18533)
• makefiles/boards/stm32.inc.mk: improve stm32flash support (#18452)
• makefiles: Select suitable terminal when stdio_rtt is used (#18528)
• pseudomodules: document gnrcnetifcmd_lora as deprecated (#18706)

Kconfig

• cpu/esp32: add ESP32-S2 support in Kconfig (#18504)
• cpu/esp32: add ESP32-S3 support in Kconfig (#18411)
• cpu/esp32: split Kconfig into ESP32x common and ESP32 specific parts (#18320)
• drivers: model IEEE 802.15.4 devices in Kconfig (#17789)
• drivers: model kconfig for Ethernet drivers (#17739)
• Kconfig/ieee802154: fix typo in HAL selector and add missing radios (#18430)
• .murdock: disable hash checks of kconfig/make (#18423)
• cpu/esp_{common,32,8266}: improve Kconfig submenu structure (#18314)
• drivers/kw2xrd/Kconfig: fix kconfig model (#18497)
• Fix kconfig models breaking nightlies (#18718)

Examples

• examples/gcoap_dtls: Add coap-client example (#18660)
• examples/filesystem: drop manual mounts (#18495)
• examples: Move in RIOT/applications (#18602)

Testing

• .murdock.yml: Add preview link to documentation to comment (#18677)
• release-tests: add capability to run on PR comment (#18713)
• Revert "release-tests: add capability to run on PR comment" (#18736)
• tests/external_boards: add esp32c3-ci board for optional modules (#18404)
• tests/external_boards: add esp32s2-ci board for optional modules (#18507)
• tests/external_boards: add esp32s3-ci board for optional modules (#18422)
• tests/gcoap_fileserver: add integration test for GCoAP fileserver (#18199)
• CI: improve makefile broken handling (#18595)
• ci: teach github-labeler about .murdock.yml (#18666)
• gh-actions: move actions/checkout to main (#18730)
• murdock: honour RUN_TESTS setting (#18546)
• murdock: make available boards instance dependent (#18659)
• riotctrlshell.cordep: remove regif parameter (#18716)
• tests/ieee802154*: fix txdone handler on ACK_TIMEOUT and improve tests (#18382)
• tests/periphgpioll: drop core dump merged by accident (#18541)
• tests/periphtimershortrelativeset: clarify outcome (#18513)
• tests/pkglvgltouch: randomize button position on click (#18481)
• tests/pkgtinyvcdiff: Initialize mtd->writesize (#18529)
• tests/threadpriorityinversion: blacklist esp32 (#18535)
• tests/ztimer_periodic: improve output and relax on native (#18491)
• tests/{periphgpioll,pkgfff}: change CPUFAM to MCU for ESP32x SoCs (#18356)

API Changes

• drivers/kw2xrf: add support for IEEE 802.15.4 Radio HAL (#18383)
  • Applications using the proper network stack APIs (such as the SOCK API or POSIX sockets) will not notice any chances, except for e.g. the better packet reception rate
• sys/shell: make cmds submodules and add KConfig modeling (#18355)
  • Shell commands can now be individually selected by using the corresponding shell_cmd_<name> module. What previously was called shell_commands now is shell_cmds_default and will automagically select shell commands based on the set of modules used. Users can keep using shell_commands for now, but the build system will inform them that shell_commands is deprecated.
• cpu/sam0common: adc: drop pin from adcconfchant (#18658)
  • Application developers will not have to change their code. However, out of tree SAM0 boards that contain an ADC configuration will need to remove the .pin member and rename the existing .muxpos member to .inputctrl
• hashescmac: rename to hashesaes128_cmac (#18539)
  • Existing C call sides will continue to work due to compatibility wrappers. However, applications should migrate before the deprecated wrappers are dropped.
• nanocoap_sock: constify remote (#18588)
  • This will not break any existing C call sides
• gnrc_netreg: Use locks around netreg (#18740)
  • calls to gnrc_netreg_lookup() and gnrc_netreg_getnext() now need to be guarded
• sys/hash/pbkdf2: Accept passwd as void * instead of uint8_t * (#18941)
  • This is not breaking any existing C call sides, but new code no longer needs to cast char * to uint8_t *

Uncategorized

• .murdock.yml: add footer comment about production stage (#18667)
• .murdock.yml: add new Murdock configuration (#18084)
• pkg/lwip: add missing initialization for async_cb (#18693)
• bootloader/riotbootdfu: move ztimerinit() prior to usbus start (#18538)
• murdock: fix bors branch name (testing -> trying) (#18665)
• Release notes 2022.07 (#18512)

And 40 minor changes.

Deprecations

• The module shell_commands is now deprecated. User should use shell_cmds_default. For now, shell_commands is an alias of shell_cmds_default
• Shell commands that were individually selectable even before this release were renamed to match the pattern shell_cmd_<name>, while they previously where often called <name>_cmd. The previous names are aliases of the new names and the build system will list any deprecated modules used.
• Users of hashes_cmac should update to hashes_aes128_cmac before the legacy wrappers now in place for backward compatibility will be removed.

Bug fixes (107)

• .murdock: Fix kconfig hash check (#18364)
• asymcute: Compare request message type when matching acknowledgement (#18434)
• asymcute: fix one byte out-of-bounds access in lenget (#18433)
• boards/common/stm32: Fix LED configuration (#18568)
• boards/nrf52dk: fix doc (#18646)
• core/mbox: fix race condition (#18960)
• core/msg.c: irq was not restored properly (#18606)
• core/mutex: fix priority inheritance on AVR (#18584)
• core/sched.c: fix undefined behavior on 8-bit/16-bit (#18573)
• cpu/arm7_common: align stacks correctly (#18641)
• cpu/arm7_common: fix compilation with 12.2.0 (#18638)
• cpu/atmegacommon/periphtimer: fix spurious IRQs (#18981)
• cpu/esp32/periph_timer: allow changing callback or freq (#18973)
• cpu/esp32: fix dependency for periph/rtt and module esprtctimer_32k (#18334)
• cpu/esp32: fix provided features and Kconfig for esp_eth (#18394)
• cpu/esp8266/periph_timer: allow changing callback or freq (#18973)
• cpu/esp: fix netdev register (#18391)
• cpu/espcommon/periphuart: fix call to uartset_mode (#18720)
• cpu/nrf5xcommon/periphtimer: fix spurious IRQs (#18974)
• cpu/qn908x: use bitarithmtestand_clear() & fix cb (#18990)
• cpu/qn909x/periph_timer: make clangd happy (#18990)
• cpu/stm32/periph_eth: fix typo in initialization code (#18416)
• cpu/stm32/periph_timer: fix race conditions (#18972)
• cpu/stm32/periph_timer: fix spurious IRQs (#18972)
• cpu/stm32: fix KConfig modeling for STM32F1 / usbdevsynopsysdwc2 (#18741)
• dist/tools/flatc: Fix compilation on musl (#18864)
• dns_cache: handle TTL=0 properly (#18441)
• dns_cache: synchronize access with mutex (#18330)
• drivers/atwinc15x0: reset device if m2mwifihandle_events() fails (#18476)
• drivers/ethos: Fix off-by-one in ETHOS driver (#18831)
• drivers/lis2dh12: release instead of acquire (#18353)
• drivers/mtd: fix module name for mtd_sdcard in Kconfig (#18395)
• drivers/nrf802154: do not filter broadcast PAN ID (#18283)
• drivers/sdcard_spi: make 8-bit safe (#18572)
• drivers/shtcx: I2C-line is not released properly (#18347)
• drivers/slipdev: fix off-by-one error in _recv() (#18830)
• drivers/{dose, slipdev, sam0_eth}: generate RX event for queued packets (#18201)
• examples/dtls-echo: set address family for sessions (#18369)
• examples/wasm/wasm_sample: fix linking with new wasm-ld (#18867)
• gcoap: fixes around empty ACKs (#18429)
• gcoap_dns: various fixes (#18367)
• gcoap_fileserver: bugfix recursive delete (#18536)
• gcoapforwardproxy: copy Max-Age from forwarded Valid if it exists (#18471)
• gnrcipv6nib: make configurable via Kconfig again (#18360)
• gnrc_netif: don't allocate message queue on the stack (#17905)
• gnrcnetifconf: fix auto-6ctx switch (#18370)
• gnrcnetifieee802154: Ignore packets without source address (#18820)
• gnrcsixlowpanfragrb: fix integer underflow in _6lofrag_size() (#18820)
• gnrcsixlowpanfragvrb: Assert no usage of a vrb with srclen == 0 (#18820)
• gnrcsixlowpaniphc.c: dereference ipv6_hdr in DEBUG() after assignment (#18820)
• gnrcsixlowpaniphc: fix buffer overflow in gnrcsixlowpaniphc_recv() (#18820)
• gnrcsixlowpaniphc: fix integer underflow in gnrcsixlowpaniphc_recv() (#18820)
• gnrcsixlowpaniphc: fix null pointer dereference in iphcencode() (#18820)
• gnrcsixlowpaniphc: fix packet type confusion in iphcencode() (#18820)
• ieee802154: Adjust parsing of IEEE 802.15.4 frame header (#18820)
• kw2xrf/Kconfig: remove netdev_ieee802154 from dependency resolution (#18469)
• makefiles/arch/avr8.inc.mk: fix detection of GCC 12 (#18732)
• makefiles/arch/cortexm.inc.mk: fix ASMFLAGS (#18899)
• makefiles/arch/riscv.inc.mk: Fix with BUILDINDOCKER (#18654)
• makefiles/cflags.inc.mk: add -z noexecstack to link flags (#18928)
• makefiles/libc/picolibc.mk: fix compilation with modern binutils (#18909)
• makefiles/libc: fix wchar_t size warnings on LLVM (#18928)
• makefiles/suit: avoid unwanted key creation trigger (#18344)
• makefiles: quiet messages on CI (#18470)
• nib/_nib-6ln: correct ABR timeout in ABRO (#18661)
• pkg/arduinosdi12: bump version, fix patches (#18812)
• pkg/ccn-lite: Fix use after free bug (#18897)
• pkg/ccn-lite: patch to fix use-after-free (#18483)
• pkg/lwip: ease debugging & fix sending from socket bound to anyaddr (#18288)
• pkg/nimble: fix the event queue size for nimbleadvext (#18467)
• pkg/nimble: signal LINK_UP on initialisation (#18980)
• pkg/tflite-micro: fix compilation with GCC >= 12.x (#18895)
• pkg/utensor: fix uninitialized variable (#18865)
• pkg/wolfssl: fix compilation with GCC >= 12.x (#18898)
• pkg/{littlefs,littlefs2}: fix unaligned memory accesses (#18473)
• release-tests: use Ubuntu Jammy runner (#18712)
• sys/clif: Fixing out of bounds read under certain conditions (#18810)
• sys/log*: modularize log into logcolor and log_printfnoformat (#18425)
• sys/net/gnrc/pkt: fix gnrcpktdelete() (#18880)
• sys/net/sockutil: fix _findhoststart() (#18723)
• sys/printstackusage: update MIN_SIZE (#18924)
• sys/shell/cmds: fix shellcmdnetif LoRaWAN integration (#18649)
• sys/string_utils : new (header-only) module for string utilities (#18609)
• test-on-iotlab: add missing scapy dependency (#18757)
• test-on-iotlab: several fixes to make it runnable again (#18757)
• test/unittest: initialize ztimer64 is required, use xtimer test-fib (#18365)
• tests/cc2538rf: set eventcallback before init (#18751)
• tests/gcoap_fileserver: add test for PUT (#18725)
• tests/gnrc_rpl: mark the test as only for native in build system (#18757)
• tests/heap_cmd: fix test script (#18634)
• tests/mpustackguard: Fix compilation on modern GCC (>= 12.x) (#18872)
• tests/nrf802154: set event_callback before init (#18751)
• tests/pbkdf2: de-flaky-fy test (#18941)
• tests/periphgpioll: fix the output for GPIOOUTPUTOPEN_SOURCE tests (#18331)
• tests/pkg_emlearn: fix compilation (#18902)
• tests/pkg_tinyvcdiff: fix stack overflow (#18896)
• tests/pkg_utensor: increase main threads stack size (#18959)
• tests/shell: fix failure on samr21-xpro (#18908)
• tests/socketzep: set eventcallback before init (#18751)
• tests/sx12xx: set event_callback before init (#18751)
• tests/unittests: Correct typo in documentation (#18438)
• tests/unittests: fix getframehdr_len tests for hardened parsing (#18820)
• tests: call gnrcipv6nibifaceup() after gnrcipv6nibinitiface() (#18635)
• tests: set netdev event_callback before calling init (#18751)
• treewide: fix conditionals on deprecated module (#18616)
• unittest/main: do not initialize xtimer if ztimerxtimercompat (#18352)
• usbus/hid: fix buffer overflow in hid_io (#18889)

Known issues

Network related issues (53)

• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• [gcoap-dtls] Posting a message yields a stack overflow on the samr21-xpro with ECC (#18292)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• CC2538 RF overlapping PIN usage (#8779)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• nanocoap: problem with [re]transmission behaviour: (some blocks are sent twice immediately) (#18217)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• Unclear how Router Solicitations are (or should be) handled (#15926)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (9)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)

Drivers related issues (16)

• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (6)

• examples/ccn-lite: floating point exception while testing on native (#15878)
• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• SIGFPE on native architecture when printing double floats on Ubuntu 21.04 (#16282)

Other platforms related issues (17)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• esp8266 precompiled bootloaders don't support partitions past 1MB (#16402)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• I found stm32 DMA periph driver bugs! when I tested stm32l431rc board. (#16242)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (11)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)

Other issues (49)

• semtechloramacinit blocking (#17907)
• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• pkg_libhydrogen tests fail / update libhydrogen (#18508)
• Potential race condition in compileandtestforboard.py (#12621)
• pyterm on stdiocdcacm stops working after a few seconds (#16077)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• sam0_sdhc: SDXC cards are not detected / handled properly (#18458)
• stdio_ethos: infinite shell loop (#17972)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkg_tensorflow-lite: tests randomly failing on nrf52dk and esp32-wroom-32 (#13133)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests/thread_float: crashes on avr-rss2 (#16908)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• usb-serial/list-ttys.sh: Broken when a debugger offers multiple serial ports (#15814)
• Use of multiple CAN bus on compatible boards (#14801)

There are 161 known issues in this release

Fixed Issues since the last release (2022.07)

• tests/threadpriorityinversion: Fails on AVR (#18545)
• tests/thread_priority_inversion failing with esp32-wroom-32 (#18534)
• (almost solved) SPI SD-Card driver: SPI initialisation freeze until timeout (#14439)
• MIPS: toolchain objcopy doesn't work and no .bin can be generated (#14410)
• make term output is inconsistent between boards, ethos and native (#12108)
• ESP32 + DHT + SAUL reading two endpoints causes freeze. (#12057)
• arm7: printf() with float/double not working (#11885)
• net: netdevdrivert::send() doc unclear (#10969)
• openthread: does not build on current Arch (#10809)
• Possible memset optimized out in crypto code (#10751)
• xtimersetmsg: crash when using same message for 2 timers (#10510)
• Incorrect default $PORT building for esp32-wroom-32 on macOS (#10258)
• RIOT cannot compile with the latest version of macOS (10.14) and Xcode 10 (#10121)
• cpu/cortexmcommon: irqenable returns the current state of interrupts (not previous) (#10076)
• xtimer_usleep wrong delay time (#10073)
• assert: c99 staticassert macro doesn't function for multiple staticasserts in the same scope (#9371)
• xtimer mis-scaling with long sleep times (#9049)
• 6lo gnrc fragmentation expects driver to block on TX (#7474)
• scheduler: priority inversion problem (#7365)
• xtimer_usleep stuck for small values (#7347)
• General 802.15.4/CC2538 RF driver dislikes fast ACKs (#7304)
• sys/fmt: Missing tests for fmtfloat, fmtlpad (#7220)
• xtimer: add's items to the wrong list if the timer overflows between xtimernow() and irq_disable() (#7114)
• Windows AVR Mega development makefile Error (#6120)
• tests: xtimer_drift gets stuck on native (#6052)
• C++11 extensions in header files (#5561)
• at86rf2xx: lost interrupts (#5486)
• make: Setting constants on compile time doesn't really set them everywhere (#3256)
• Tracker: Reduce scope on unintended COMMON variables (#2346)

29 fixed issues since last release (2022.07)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by maribu about 3 years ago

riot - Release-2022.07

RIOT-2022.07 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2022.07 release includes many changes, some highlights of which are:

GPIO Low-level drivers

A new API, gpio_ll, has been introduced for highly efficient access to GPIO pins grouped in ports.

The API is limited to internal use for the time being, but still paves the way towards using port multipliers like local GPIO pins, and for improved bit-banging implementations (e.g. around WS281x-style LEDs).

Improved serial port selection

When using multiple boards simultaneously, a new serial port selection algorithm can be activated by setting MOST_RECENT_PORT=1. Of all serial ports whose metadata matches the board's known properties, it selects the most recently connected one.

ESP support

The ESP IDF (IoT Development Framework; the vendor's provided tools) has been upgraded to version 4.4, and many peripheral drivers are now implemented using those.

343 pull requests, composed of 767 commits, have been merged since the last release, and 5 issues have been solved. 38 people contributed with code in 107 days. 1684 files have been touched with 43451 (+) insertions and 82174 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• provide dummy implementation of thread and mutex for riotboot (#17959)
• kernel_defines: drop CONST definition (#18212)

System Libraries

• sys/event: Add documentation and enforce waiter on wait (#17952) sha256sum shell commands (#18040)
• sys/shell: new module shell_lock (#13082)
• Fido2: Enhance flash persistence (#17096)
• pkg/fatfs, shell: enable RTC support if rtt_rtc is used (#17912)
• pm: don't (un)block IDLE mode (#17974)
• sys/posix/include/arpa: use __restrict instead of restrict (#18034)
• sys/quad_math: remove unused module for quad arithmetic (#18032)
• sys/shell: drop _builtin_cmds define (#18075)
• sys/shellcommands: convert to SHELLCOMMAND() (#18152)
• sys/ztimer: no log for stdio_rtt/semihosting (#18176)

SUIT

• suit/transport/vfs: add VFS as source for firmware updates (#18045)
• sys/scsuit: add seqno command (#17941)
• examples/suitupdate/test: use 'suit seqno' to get version (#17973)
• sys/suit/storage/vfs: initial import (#17943)
• sys/suit/storage: change log to LOG_DEBUG (#18020)
• sys/suit: avoid installing payload twice (#17984)
• sys/suit: save seq_number when parsing manifest (#17939)

VFS

• sys/shell/vfs: add umount, rmount and mkdir commands (#18112)
• sys/vfs: add vfsunmountby_path() (#18109)
• sys/vfs_util: add VFS helper functions (#18038)
• sys/vfsutil: add vfsfile_() functions and md5sum, sha1sum and

Rust

• Add some Rust library building infrastructure (#16833)
• makefiles/rust: Err early on setup issues, provide suggestions (#18220)
• rust: Build from git branches (#18151)
• rust: Explicitly select nightly (#18243)
• rust: Update versions (#18181)

Networking

• congure_reno: initial import of TCP Reno congestion control (#15953)
• drivers/sx1280: add driver for SX1280 transceiver v2 (#18033)
• gnrc/ipv6autosubnets: init RPL root when adding a prefix (#17350)
• ieee802154: add default max frame retransmissions config (#18264)
• pkg/lwip: Add basic version of netifget/setopt (#18069)
• pkg/lwip: Add netif_t struct, register all netifs (#16974)
• pkg/nimble/autoadv: add support for ext_adv (#17774)
• sys/iolist: add helper functions (#18044)
• sys/net/gnrc: add gnrctxsync for gnrcsixlowpanfrag_sfr (#16090)
• sys/net/gnrcpktbufstatic: add use-after-free detection (#18227)
• sys/net/netif: add convenience functions for getting/printing IPv6 addresses (#18161)
• gnrc/ipv6autosubnets: allow to join multiple subnets (#17547)
• gnrcipv6nib: fix inconsistent ABR valid lifetime representation (#18126)
• gnrc_netif: make auto-config of compression context optional (#17678)
• gnrc_netif: use event loops by default to process ISR (#16748)
• gnrc_sock: implicitly set netif if there is only a single one (#18065)
• gnrcsock: warn about non-zero receive timeouts with sockasync (#17691)
• net/ble/skald: make advertising interval configurable per context (#17834)
• net/gnrc: Fixing whitespace in the documentation (#18036)
• net/sock/udp: designated initializer, C++ compatibility (#18035)
• sock_dns: implement DNS cache (#17680)
• sockdnscache: move to dns_cache (#18318)
• sockdnscache: move to dns_cache backport 2022.07
• sys/include/net/af: fix doc comment (#17946)
• sys/net/gnrcpktbufstatic: fix documentation of use-after-free detection (#18244)
• tests: rework ieee802154 drivers (#17838)

GCoAP

• Add file server (#17956)
• add helper function to get request header from a request memo (#18095)
• add nanocoap_cache support for clients (#17888)
• DNS: initial import of a DNS over CoAP (DoC) client (#16705)
• Forward prxy: provide cache validation mechanism (#17801)
• ensure response address is the same as request address (#18026)
• small dependencies fixes (#17944)

Nanocoap

• add coapgettoken() (#17976)
• Add handler for resource-based subtrees (#13698)
• cache for CoAP responses (#13889)
• add nanocoapsockblock_request() (#17958)
• add nanocoapsockurl_connect() (#17960)
• add nanocoapvfsget() (#17937)
• add nanocoapvfsput() (#17962)
• follow-up fixes (uncontroversial parts) (#17977)
• clean up state management (#18047)
• deprecate coap_pkt token ptr (#18013)
• refactor to remove work-buffer requirement (#17509)

Packages

• drivers/atwinc15x0: add timeout to init (#18214)
• pkg/libcose: add RIOT as crypto backend (#17701)
• pkg/pkg: add GIT_QUIET (#17987)
• tests/pkg_cmsis-dsp: add kconfig configuration + cleanup package modules (#18001)
• makesystem: speedup pkg cloning if no git-cache is available (#16316)
• pkg/littlefs2: bump version to 2.5.0 (#18049)
• pkg/lv_drivers: cleanup Makefile (#18302)
• pkg/lvgl: bump to v8.3.0 (#18301)
• pkg/minmea: bump version (#18166)
• pkg/nanopb: bump version to 0.4.6 (#18149)
• pkg/pkg.mk: silence info if QUIETER (#18031)
• pkg/uwb-core: adjust holdoff time when rxdiag_enabled (#17999)
• pkg/uwb-core: reduce default stacksize (#18022)
• pkg/uwb-core: remove uwbcfg (#17998)
• pkg/uwb-dw1000: fix default group delay, use OTP values when possible (#18000)
• pkg/wamr: update to tagged release WAMR-05-18-2022 (#18119)

Boards

• boards/nucleo-f401re: add riotboot (#17948)
• boards/stm32f7508-dk: add support (#17954)
• cpu/samd5x: add SD Host Controller implementation (#17863)
• boards/adafruit-pybadge: enable ST7735 display (#17903)
• boards/common/arduino-atmega: fix issue with wrong port for LED0 (#18245)
• boards/esp32: cleanup boardinitcommon (#18238)
• boards/esp32: cleanup CI compilation for espwifienterprise (#18218)
• boards/nucleo-X: enable cpy2remed programmer (#18057)
• boards/stm32f469i-disco: enable cpy2remed programmer (#18039)
• boards/{thingy52,ruuvitag}: allow OpenOCD as programmer (#18237)
• build system: improve serial port selection (#18167)
• cpu/esp32: Upgrade to ESP-IDF v4.4 (#17601)
• cpu/esp32: use ESP-IDF i2c HAL for ESP32 periph/i2c (#18279)
• cpu/esp32: use ESP-IDF ledc HAL for periph/pwm (#18276)
• drivers/lcd: rework rotation management and enable it for st7735 (#17930)
• drivers/lcd: slightly rework params to expose offset values to ili9341 driver (#17925)
• periph_can,candev: socketcan pkg for native, candev test cleanup (#17533)
• pkg/cryptoauthlib: Update package to latest version (#18137)
• unittests: enable ASAN on native (#18099)

CPU

• netdev_tap: make 'wired' property configurable (#17709)
• pkg/nimble: version bump to NimBLE 1.5.0 RC1 (#18029)

AVR

• atmegacommon: implement periph/gpioll{,_irq} (#17982)

Cortex-M

• cortexmcommon: allow to overwrite nmihandler (#18232)
• cortexm_common: enable FPU on cortexm33 (#18064)

• cortexmcommon: remove breakpoint from hardfault_handler (#17781)

• efm32: Minimal support for gpio_ll (#18023)

• nrf5xcommon: implement periph/gpioll{,_irq} (#17980)

• stm32: Implement periph/gpioll{,irq} except for STM32F1 (#17981)

• sam0_common: adc: Automatically configure external reference pin (#18042)

• stm32: support for B subfamily of g0 to determine the ram length (#18296)

ESP32

• add ESP-IDF API (#18253)
• use ESP-IDF ...
  • adc/dac HAL for periph/adc and periph/dac (#18271)
  • function espefusemac for CPU ID (#18273)
  • gpio HAL for periph/gpio (#18270)
  • interrupt HAL for periph/uart (#18274)
  • interrupt handling API (#18261)
  • random API for ESP32 (#18277)
  • sleep API for periph/pm (#18280)
  • spi HAL for periph/spi (#18281)
  • spliflash* funcs in periph/flash (#18250)
  • startup function (#18268)
  • timer HAL for system timer and watchdog (#18267)
  • timer/interrupt HAL for periph/timer (#18282)
  • twai HAL for periph/can (#18278)
• ESP32x SoC variant independent syscalls (#18266)
• always include libc_gettimeofday (#18027)
• ESP32 SoCx variant independent bootloader makefile (#18246)
• ESP32x SoC variant independent makefiles (#18249)
• invert MCU_* and CPU* conditionals (#18248)
• move platform code for Xtensa-based ESP32x SoCs to module esp_xtensa (#18259)
• Remove dependency on module libc_gettimeofday (#18202)
• split module esp_wpa supplicant into several modules (#18239)
• FreeRTOS adaptation layer changes/extension required for ESP-IDF HAL/LL (#18224)
• use LittleFS2 as default FS (#18159)
• pkg/esp32_sdk: Update version to 4.4.1 (#18165)

Device Drivers

• periph/gpio_ll: New Peripheral GPIO API (#16787)
• driver/lcd: add common lcd base driver (#16176)
• sys/mtd: Introduce write granularity (#17683)
• drivers/mtd_mapper: inherit physical properties (#18113)
• drivers/netdev_ieee802154: drop duplicate struct member (#17979)

• drivers/periph_common/cpuid: disable false positive warnings (#17909)

• drivers/hd44780: PCF857x I2C interface added (#12665)

• drivers/ir_nec: NEC remote receiver implementation (#17935)

• drivers/mcp2515: enable filtering (#18062)

• drivers/mcp2515: apply filters to target mailbox (#18131)

• drivers/mcp2515: fixes and cleanups (#17945)

• drivers/scardspi: _dynspirxtxbyte return void (#17968)

• drivers/ws281x: update ESP32 driver to use ESP-IDF CPU HAL (#18252)

• pkg/driver_atwinc15x0: bump version to 1.6.1 (#18215)

Documentation

• boards/nucleo144: doc update - usage of cpy2remed programmer and short overview of board (#18291)
• boards/nucleo32: doc update - usage of cpy2remed programmer and short overview of board (#18225)
• cpu/esp32: small doc fixes (#18240)
• doc/rust: Update texts (#18208)
• doc: fix broken link/footnote in using-rust.md/maintenance (#17961)
• Documentation: Renaming OS X to macOS (#18256)
• native/periph_can: usability improvements and documentation updates (#17949)
• pkg/hacl: documentation link update (#18002)

Build System / Tooling

• dist/tools/suit: add support for password protected private keys (#18130)
• examples/gnrcborderrouter: allow to use gnrcipv6auto_subnets for prefix configuration (#16993)
• .murdock: print hash input when hashes mismatch (#18236)
• buildsystem: Improve RISC-V compilation handling with newer toolchain (#18098)
• buildsystem: split default modules include early and late (#17662)
• dist/tools/compileandtestforboard: fix lint (#18160)
• dist/tools/cosy: allow to specify port (#18194)
• make: create cargo folders for Docker images (#18086)
• makefiles/tools/uf2conv.inc.mk: partial riotboot support (#16323)
• makefiles: allow to override suit manifest payloads (#16771)
• makefiles: Reject 2>&1 >/dev/null, and weed out remaining offenders (#16806)
• tools/edbg: bump version (#18076)
• tools/zep_dispatch: allow to pin nodes to MAC address (#17338)
• tools/zep_dispatch: run dispatch with custom topology (#18170)

Kconfig

• drivers/cst816s: add touch_dev interface + add Kconfig + migrate to ztimer (#17459)
• pkg/tflite-micro: add kconfig support (#17985)
• sys/cpp11-compat: add kconfig support and add Kconfig for cpp11 test applications (#17992)
• pkg/cmsis-nn: model in Kconfig (#17997)
• pkg/corejson: fix missing kconfig import + model test application configuration (#18008)
• pkg/cryptoauthlib: model in kconfig (#18011)
• pkg/jerryscript: model in Kconfig (#18012)
• pkg/lua: model in kconfig (#18017)
• pkg/nanors: model in kconfig (#18024)
• sys/random/kconfig: remove HWRNG default in backend choice (#18025)
• tests/pkg_utensor: model in Kconfig + fix utensor package dependencies (#17995)
• tests/{cppext, cppexclude}: model in kconfig (#17994)

Examples

• examples/telnet_server: add support for LWIP (#17899)
• example/twr_aloha: fixes (#17988)
• examples/lorawan/main: use autoinitloramac (#17695)
• examples/suit_udpate: update check suit command (#17963)

Testing

• cpu/esp: add compilation tests for optional ESP modules (#18158)
• unittest/sock_util: add test for missing addr variants (#18061)
• CI: disable microbit testing (#17933)
• gh_action/test-on-iotlab: update available boards (#18303)
• murdock: don't do both "clean" and "test-input-hash" targets (#18254)
• test/pbkdf2: enlarge stdio rx buffer (#17928)
• tests/pkg_tflite-micro: update list of low memory boards (#18101)
• tests/{cppext, cppexclude}: cleanup HAS_* (#18082)
• tests: move riot_logo.h to tests base directory (#17917)
• unittest/sockutil: move teststrings to their tests (#18067)

API Changes

• drivers/disp_dev: use struct to store display area coordinates (#17921)
• makefiles/suit: place keys in $XDGDATAHOME (#18157)
• nanocoap: define and use coaprequestctx_t for request handlers (#17957)
• sys/shell/gnrc_netif: List netifs in registration order (#17078)

And countless minor changes.

Deprecations

Deprecations (1)

• ztimer: deprecate ztimernow64 and ztimernow_t (#18054, #18105)

Removals (2)

• net/netopt: drop NETOPTRXEND_IRQ (#18089)
• pkg/lvgl7: remove deprecated package (#18304)

Bug fixes (64)

• cpu/stm32/include/periph/f7: add missing ADC_DEVS (#17923)
• dist/tools/kconfiglib: add configuration evaluation function (#18192)
• drivers/periph/timer: add TIMFLAGSET_STOPPED flag (#17723)
• drivers/st7735/kconfig: add hardware feature symbol (#18135)
• gnrc/nib: don't add routers from WPAN as default router on the 6LBR (#18127)
• [Backport] asymcute: Compare request message type when matching acknowledgement (#18446)
• [Backport] asymcute: fix one byte out-of-bounds access in lenget (#18453)
• asymcute: Fix deadlocks in REGACK, SUBACK and UNSUBACK handler (#18289)
• bitarithm: Move extern const out of static inline functions (#18140)
• boards/common/nrf52: fix compilation of thingy52 and ruuvitag (#18180)
• boards/im880b: im880b board clock definition (#18295)
• boards/stm32f469i-disco: LEDXON LEDXOFF mismatch (#18041)
• build system: Fix compilation for RISC-V with newer GCC (#17951)
• core/assert: print last instruction in assert() (#18195)
• core/msg: yield after threadflagswake() in queue_msg() (#16899)
• cpu/atmegacommon: Fix atmegaport_addr() (#18265)
• cpu/esp32: fix malloc thread safety (#18209)
• cpu/esp32: fix pm_reboot function (#18207)
• cpu/esp32: fixes for gcc 8.4.0 (#18104)
• cpu/sam0common: mtdsdhc: ensure source address alignment (#18222)
• cpu/samd21: handle NVM block errata (#18188)
• cpu/stm32/periph_eth: fix typo in initialization code backport 2022.07
• cpu/{atmega_common,atxmega}: increase idle thread stack size (#18263)
• dirvers/mtd: fix documentation of mtdwritepageraw() and mtdread_page() (#18231)
• dist/tools/compile_commands: don't adds -nostdinc (#18080)
• dist/tools/compile_commands: fix clangd linting (#18063)
• dns_cache: synchronize access with mutex backport 2022.07
• docker: don't export KCONFIGADDCONFIG variable (#17993)
• drivers/at86rf2xx: fix NETOPT_RANDOM (#18305)
• drivers/at86rf2xx: Switch SRT mode to get random values. (#18290)
• drivers/atwinc15x0: disconnect when sleeping (#17889)
• drivers/mcp2515: fix set bittiming (#18019)
• drivers/rttrtc: normalize tm struct in rtcset_alarm (#18197)
• examples/dtls-echo: set address family for sessions backport 2022.07
• examples/lorawan: disable loramac state persistence on EEPROM (#17969)
• gcoap: fixes around empty ACKs backport 2022.07
• gcoap_dns: various fixes backport 2022.07
• gnrc/ipv6autosubnets: always send RIO to upstream network (#18187)
• gnrc/nib: only enable RTRADV on RA if MULTIHOPP6C is enabled (#17600)
• gnrcdhcpv6client: Fix out-of-bounds access during option parsing (#18307)
• gnrcipv6nib: make configurable via Kconfig again backport 2022.07
• gnrcnetifconf: fix auto-6ctx switch backport 2022.07
• gnrcnetifpktq: protect against concurrent access (#18153)
• gnrc_netreg: drain mbox on unregister (#18143)
• ipv6/nib: bugfix handle SLLAO on 6LR if ARO is not present (#17814)
• makefiles/boot/riotboot: set DEBUG_ELFFILE to slot0.elf (#18138)
• nanocoap: follow-up fixes (#17950)
• nanocoap_sock: fix wrong assertion (#18221)
• net/eui_provider: provide netif index to EUI provider function (#18251)
• pkg/ccn-lite: patch to fix use-after-free backport 2022.07
• pkg/emlearn: fix kconfig model (#18306)
• pkg/emlearn: Remove unused emlearn module (#18287)
• pkg/mynewt-core: fix timer configuration for nrf51 (#18136)
• release-tests: install libasan as native dependency (#18124)
• sys/fmt: disarm footgun (#18162)
• sys/fmt: fix output on native (#18186)
• sys/net/gnrc/rpl: sync access to netstats (#18275)
• sys/net/netopt: change NETOPT_STATS semantics (#18269)
• sys/rtcutils: small doc fix of rtcmktime (#18196)
• sys/uri_parser: check port length (#18092)
• tests/thread_float: fix test script (#18255)
• unittest: fix ztimer(64)_initilization #18352 #18365 backport 2022.07
• unittests: fix assertion for nanocoapcachekey_compare() (#18125)
• vfs: fix dir detection in vfssysopstatfromfstat() (#18050)

Known issues

Network related issues (58)

• 6lo gnrc fragmentation expects driver to block on TX (#7474)
• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• [gcoap-dtls] Posting a message yields a stack overflow on the samr21-xpro with ECC (#18292)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• at86rf2xx: lost interrupts (#5486)
• CC2538 RF overlapping PIN usage (#8779)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• General 802.15.4/CC2538 RF driver dislikes fast ACKs (#7304)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• nanocoap: problem with [re]transmission behaviour: (some blocks are sent twice immediately) (#18217)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• net: netdevdrivert::send() doc unclear (#10969)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• openthread: does not build on current Arch (#10809)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• test/lwip: enabling both, IPv4 and IPv6, results in unexpected behavior (#18097)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• Unclear how Router Solicitations are (or should be) handled (#15926)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (16)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)
• tests/periphtimershortrelativeset results are misleading (#18511)
• tests: xtimer_drift gets stuck on native (#6052)
• xtimer mis-scaling with long sleep times (#9049)
• xtimer: add's items to the wrong list if the timer overflows between xtimernow() and irq_disable() (#7114)
• xtimersetmsg: crash when using same message for 2 timers (#10510)
• xtimer_usleep stuck for small values (#7347)
• xtimer_usleep wrong delay time (#10073)

Drivers related issues (18)

• (almost solved) SPI SD-Card driver: SPI initialisation freeze until timeout (#14439)
• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• ESP32 + DHT + SAUL reading two endpoints causes freeze. (#12057)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (6)

• examples/ccn-lite: floating point exception while testing on native (#15878)
• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• SIGFPE on native architecture when printing double floats on Ubuntu 21.04 (#16282)

Other platforms related issues (21)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• arm7: printf() with float/double not working (#11885)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/cortexmcommon: irqenable returns the current state of interrupts (not previous) (#10076)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• esp8266 precompiled bootloaders don't support partitions past 1MB (#16402)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• I found stm32 DMA periph driver bugs! when I tested stm32l431rc board. (#16242)
• Incorrect default $PORT building for esp32-wroom-32 on macOS (#10258)
• MIPS: toolchain objcopy doesn't work and no .bin can be generated (#14410)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (13)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: Setting constants on compile time doesn't really set them everywhere (#3256)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)
• Windows AVR Mega development makefile Error (#6120)

Other issues (57)

• semtechloramacinit blocking (#17907)
• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• make term output is inconsistent between boards, ethos and native (#12108)
• assert: c99 staticassert macro doesn't function for multiple staticasserts in the same scope (#9371)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• C++11 extensions in header files (#5561)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• pkg_libhydrogen tests fail / update libhydrogen (#18508)
• Possible memset optimized out in crypto code (#10751)
• Potential race condition in compileandtestforboard.py (#12621)
• pyterm on stdiocdcacm stops working after a few seconds (#16077)
• RIOT cannot compile with the latest version of macOS (10.14) and Xcode 10 (#10121)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• sam0_sdhc: SDXC cards are not detected / handled properly (#18458)
• scheduler: priority inversion problem (#7365)
• stdio_ethos: infinite shell loop (#17972)
• sys/fmt: Missing tests for fmtfloat, fmtlpad (#7220)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkg_tensorflow-lite: tests randomly failing on nrf52dk and esp32-wroom-32 (#13133)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests/thread_float: crashes on avr-rss2 (#16908)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Tracker: Reduce scope on unintended COMMON variables (#2346)
• usb-serial/list-ttys.sh: Broken when a debugger offers multiple serial ports (#15814)
• Use of multiple CAN bus on compatible boards (#14801)

There are 188 known issues in this release

Fixed Issues since the last release (2022.04)

• core: "Invalid read of size 4" (#7199)
• Use-after-free in ccnl-core (#18480)
• [puf_sram] Hardfault (#18468)
• esp32: gnrc_networking crashing (#18083)
• boards/saml11-xpro: second UART is broken (#17206)

5 fixed issues since last release (2022.04)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

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- C
Published by chrysn over 3 years ago

riot - Release-2022.04

RIOT-2022.04 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2022.04 release includes the following new features and improvements:

Core:

The scheduler allows for changing the priority of a thread at runtime.

System libraries:

The module ztimer64_xtimer_compat was added, providing the complete xtimer API on top of ztimer64_usec. This is now the default implementation when using the xtimer module. Most modules use ztimer instead of xtimer now.

The sequence of modules during auto initialization can be customized via statically assigned numbers now. This feature is experimental, so use it with caution. Priorities may change in the future.

SenML implementation: supports CBOR encoding, Phydat to SenML encoding and basic SAUL integration.

Various improvements have been made to the file system modules: VFS supports automatic mount (and formatting) at startup and reliable disk enumeration, and mountbypath. Default mount points can be provided by the board configuration. exFAT support was added to FATFS.

Using Rust in RIOT no longer requires a nightly version of Rust, but can be built on the latest stable on Rust instead.

Boards:

Boards no longer have to provide a board_init() function. LEDs are initialized automatically if they follow the LED<x>_PIN naming scheme.

Networking:

gcoap now provides a simple forward-proxy and allows for switching between plain CoAP and CoAP-over-DTLS at runtime.

The NimBLE module supports the new PHY modes that have been introduced with Bluetooth 5.

A Telnet server module is available now.

Packages:

The build system now allows for package directories to reside outside the RIOT tree.

Various new packages have been added: * the C++ Embedded Template Library (ETL) * nanors, a tiny, performant implementation of reed solomon codes * tflite-micro as a replacement for tensorflow-lite * WAMR adds Web assembly (WASM) support

Hardware support:

New support for the boards Adafruit-PyBadge and STM32 Nucleo-F439ZI as well as for the LPS22CH nano pressure sensor and MCP47xx DAC. The DOSE bus now supports baud rates of 1 MHz and above.

Summary:

328 pull requests, composed of 810 commits, have been merged since the last release, and 6 issues have been solved. 40 people contributed with code in 83 days. 1851 files have been touched with 50235 (+) insertions and 18701 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Core

• core/sched: add schedchangepriority() (#17093)
• core: add functionality to check queue state of another thread (#16174)
• core: split out library code (#17652)
• core/rmutex: use atomic utils (#16919)

System Libraries

• drivers: migrate xtimer64 and xtimer/ticks users to ztimer (#17367)
• drivers/mtdflashpage: add mtdflashpage_t type (#17627)
• sys/bitfield: add support for bit-wise bitfield operations (#17710)
• sys/senml: add SenML modules (#16384)
• sys/vfs: add vfsmountby_path() (#17661)
• sys/xtimer: introduce xtimer_is_set() (#17630)
• sys/ztimer: add ztimer64xtimercompat complete xtimer replace module (#17670)
• vfs: Introduce reliable disk enumeration (#17660)
• rust: test on stable (#17805)
• sc_vfs: print file size (#17622)
• sys/auto_init: custom auto-initialization sequence (simple) (#17794)
• sys/event/timeout: remove alternative xtimer implementation (#17689)
• sys/evtimer: remove deprecated evtimernowmin (#17655)
• sys/fido2: use ztimer instead of xtimer (#17753)
• sys/posix/pthread: newlib compatibility (#17734)
• sys/testutils/printstack_usage: work with small stacks (#17891)
• sys/vfs: add file-system auto-mount (#17341)
• sys/vfs: provide vfs_fsync() (#17621)
• sys/xtimer: make xtimerztimercompat default backend (#17721)
• sys/ztimer doc: List prerequisites for successful use of ztimer_now (#17614)
• sys/ztimer64/util.c: fix ztimer64settimeout_flag (#17561)
• sys/ztimer: add auto_adjust module (#17633)
• sys/ztimer: cleanup xtimer_compat.h for 32Bit only (#17690)
• sys/ztimer: Name callback types (#17758)
• sys: some simple xtimer->ztimer conversions (#17892)
• sys/*timer: rework dependencies to ease backend switch, prefer ztimerxtimercompat over xtimeronztimer (#17811)
• sys/syscalls: make gettimeofday() implementation optional (#17733)
• sys/ztimer: auto-select ztimernoperiph_rtt only for samd21 (#17786)
• sys: sort out ztimerxtimercompat and ztimer64xtimercompat depes (#17732)
• tests: add stack usage metrics (#17706)
• {examples,tests}/rust: Rust updates (-sys/-wrappers version, stable) (#17761)

Networking

• gcoap: add simple forward-proxy (#13790)
• gnrcpktbufcmd: add od dependency with gnrcpktbufstatic (#17228)
• nanocoap: add nanocoapgetblockwiseurlto_buf() function (#17833)
• nanocoap: introduce coapoptremove() (#17881)
• nimble/netif: add support for BT5 PHY modes (#16860)
• sys,examples,tests,fuzzing: add missing includes (#17714)
• sys/net/applicationlayer/sockdns: add pseudomodule autoinitsock_dns (#17493)
• sys/net/applicationlayer/sockdnsmock: add module for mocking sockdns (#17871)
• sys/net/application_layer: add telnet server module & example (#16723)
• sys/net/dsm: add missing dependencies (#17685)
• sys/net/nanocoap: introduce nanocoap_sock_*(), use in suit/transport/coap (#17474)
• sys/net/netutils: add netutilsgetipv4() (#17764)
• sys/net/sock: add sockudpsendv() API (#17485)
• sys/net/sockutil: add socktl_name2ep() to optionally perform DNS lookups (#17510)
• sys/stdio_nimble: add new stdio module using nimble (#12012)
• drivers/encx24j600: define default parameters (#17747)
• gcoap: multi-transport support (#16688)
• gnrc/ipv6nib: remove the need for evtimer-minutes (#17411)
• gnrc/netif: convert to ztimer (#17354)
• ipv6/nib: bugfix of 6CO length checking (#17850)
• ipv6/nib: fix memcpy() bug in handlertr_timeout() (#17741)
• lwip: enable LWIPSORCVTIMEO if sock layer is used (#17779)
• pkg/lwip: use ztimer_msec instead of xtimer (#17115)
• pm: don't (un)block IDLE mode (#17975)
• sys/gnrc/sixlowpan/frag/fb: guard sfr_types.h header include (#17730)
• sys/net/gnrc/sock: use ztimer_usec or xtimer for timeout (#17852)
• sys/net/gnrc/sock_types: guard tcp.h header inclusion (#17743)
• sys/net/gnrc: ztimernoperiph_rtt if gomach (#17729)
• sys/net/gnrcsixlowpanfragsfr: use xtimerset (#17668)
• sys/net/linklayer/csmasender: use public xtimer_now() (#17731)
• sys/net/sock_util: fix compilation for IPv4-only mode (#17766)

Packages

• buildsystem: add EXTERNALPKGDIRS functionality (#17211)
• pkg/etl: Add the embedded template library (etl) (#17477)
• pkg/lvgl: add extra widget dependency (#17760)
• pkg/nanors: add reed solomon codec implementation (#17703)
• pkg/tflite-micro: add support and deprecate tensorflow-lite (#17908)
• pkg/tinydtls: add IPv4 support (#17765)
• pkg/uwb-dw1000: add patch for rf_txctrl value (#17724)
• pkg/wamr: add WAMR to provide WASM support in RIOT (#15329)
• buildsystem/pkg: expand packages from USEPKG early as path into PKG_PATHS (#17551)
• make: pkg.mk: don't call git am if there are no patches (#17858)
• pkg/edhoc-c: bump version (#17777)
• pkg/fatfs: fatfs_vfs: wire up format() (#14430)
• pkg/fatfs: enable exFAT support (#17798)
• pkg/fatfs: implement statvfs() (#17634)
• pkg/littlefs2: bump version to 2.4.2 (#17837)
• pkg/lv_drivers: initial commit (#17713)
• pkg/lvgl: bump to 8.2.0 (#17681)
• pkg/lvlgl: allow cusomizing LVMEMSIZE (#17759)
• pkg/mbedtls: initial pkg import to use entropy module (#15671)
• pkg/mynewt-core: fix semaphore (#17771)
• pkg/semtech-loramac: enable setting channels mask (#17824)
• pkg/tinycbor: bump version (#17604)
• pkg/tinydtls/sockdtls: use ztimerusec (#17677)
• pkg/tinydtls: migrate to ztimer64_msec (#17564)

Boards

• boards/adafruit-pybadge: add support (#17807)
• boards/b-l475e-iot01a: Add SPI2 and SPI3 buses (#17885)
• boards/nucleo-f429zi: add support for ethernet (#17828)
• boards: add support for nucleo-f439zi (#17827)
• cpu/esp32: update to Espressif's precompiled ESP32 vendor toolchain with gcc 8.4.0 (#17769)
• cpu/stm32: add backup battery monitoring (VBAT) (#16989)
• sys/autoinit: add autoinit_leds, drop LED init code from boards (#17584)
• sys/boardcommon: add generic boardinit() function (#17008)
• sys/vfs: add vfs_default, configure default fs for same54-xpro (#17643)
• tests/external-boards: add esp compile test boards (#17525)
• vfs_default: add compile test and add default mount for more boards (#17656)
• boards/native: select MTD defaults for FAT (#17653)
• boards/nucleo-f334r8 f429zi and f446ze: enable cpy2remed programmer (#17708)
• boards/nucleo-f767zi: fix adc_config indentation (#17682)
• boards/same54-xpro: support for board variation with SST26VF064B flash (#17613)
• boards/stm32mp157c-dk2: Overwrite mpustackguard in kconfig (#17629)
• boards: drop board_init() from board.h (#17707)
• boards: fix ztimer adjust values for arduino-mega2560 and z1 (#17839)
• drivers/ft5x06: allow multiple device types (#17540)
• kconfig explore all allowed boards on all apps (#17595)

CPU

• cpu/native/netdevtap: Add to netdevregister (#17635)
• cpu/nrf52-9160: add periphspiinit_gpio (#17617)
• cpu/riscv_common: Enable Rust applications (#17520)
• cpu/sam0common: add periphspiinitgpio (#17616)
• cpu/stm32: Add STM32_LINE cases for STM32L1xxx6 (#17727)
• cpu: add flash_writable section to linker script (#17436)
• cpu/arm7, arch/cortexm: Remove -fno-builtin flag (#17898)
• cpu/cc2538/rtt: fix rttsetcounter (#17535)
• cpu/efm32: bump Gecko SDK version (#17672)
• cpu/esp*: nvs-flash / cpp dependencies cleanup (#17548)
• cpu/esp32/esp-eth: move GNRC autoinit to initdevs (#17745)
• cpu/esp32: changes for toolchain update to gcc version 8.4.0 (#17546)
• cpu/esp32: download Espressif SDK ESP-IDF as package (#17455)
• cpu/esp32: enable puf_sram feature (#17671)
• cpu/esp32: use macros/units (#16341)
• cpu/lpc23xx-mci: migrate to ztimer_msec (#17363)
• cpu/riscvcommon: enable pufsram feature (#17665)
• cpu/riscv_common: fix undeclared memory region linker error (#17581)
• cpu/sam0_common: implement EXTWAKE for SAM L21 (#17687)
• cpu/sam0_eth: implement SLEEP state (#17886)
• cpu/samd5x: allow to block IDLE mode (#17883)
• cpu/saml21: derive low power SRAM length from model number (#17686)
• cpu/samx21: allow to override PMBLOCKERINITIAL (#17793)
• cpu/samd51: allow to support ADC0 and ADC1 in the same configuration (#17819)
• cpu/stm32/i2c: fix wrong speed parameters (#17324)
• cpu/stm32: Fix clock tree (#17609)
• cpu/stm32: Fix CLOCK_CORECLOCK on stm32l0/l1 (#17725)
• cpu/stm32: make backup SRAM available (#16870)
• drivers/periphspi: spiinitwithgpio_mode mode by reference (#17531)

Device Drivers

• driver/lpsxxx: adding lps22ch support (#17697)
• drivers/dose: introduce watchdog timer (#17180)
• drivers/dose: make use of ringbuffer for RX (#17210)
• drivers/mtdspinor: add ztimer_usec alternative (#17836)
• drivers/shtcx: converted the shtc1 driver into shtcx and added shtc3 support (#17699)
• drivers: add driver for L3GD20H 3-axis gyroscope (#10082)
• drivers: support for Microchip MCP47xx DAC devices added (#10518)
• mtd doc: Add overview defining terms; link modules (#17666)
• driver/mtdspinor: cleanup sleep timing (#17879)
• drivers/dose: migrate to ztimer_usec (#17565)
• drivers/lis2dh12: use ifdef instead of IS_USED (#17563)
• drivers/mtd_sdcard: support unaligned reads & writes (#17619)
• drivers/periph_common/cpuid: disable false positive warnings (#17910)
• drivers/rttrtc: select rtcutils (#17530)
• drivers/sht3x: ztimer_msec port (#17783)

Documentation

• boards/cc1352-launchpad doc: adding information concerning shell access (#17522)
• doc/doxygen: add BUILDINDOCKER extended doc (#17820)
• doc/doxygen: recommend adding ADJUST ztimer values for new boards (#17846)
• doc: add RIOT root doxygen example path (#17572)
• net/ieee802154: Add overview documentation (#16940)
• boards/nucleo-f429zi: improvements to documentation (#17875)
• boards/nucleo-l552ze-q doc: Improvements to documentation (#17639)
• boards/p-nucleo-wb55: update documentation (#17582)
• core (largely doc): Differentiate message types from thread flags (#17472)
• doc/emulator: update qemu doc with unix sockets (#17751)
• doc: small fix of "Getting Started" document structure in section docker (#17756)
• doc: Start documenting pseudomodules (#17133)
• tools/zep_dispatch: document topogen usage (#17586)

Build System / Tooling

• dist/tools/genconfig: add error on hidden symbols (#17597)
• dist/tools/usb-serial/ttys.py: Add regex support (#17876)
• dist/tools/usb_serial: Add tool for listing and filtering TTY interfaces (#17737)
• make: Add ubsan support (#17278)
• makefiles/dependencyresolution: add outer loop for DEFAULTMODULE deps (#17632)
• makefiles/docker.inc.mk: add DOCKERENVVARS_ALWAYS (#17396)
• testbed/iotlab: add mapping for samr34-xpro and nucleo-wl55jc (#17578)
• tests/gnrcrpl: add automated test for gnrcrpl (#17353)
• tools/pr_check: add "Update" keyword to "needs squashing" check (#17822)
• make/emulate: use unix sockets with qemu (#17679)
• Makefile.include: pass IOTLAB_NODE to docker (#17545)
• makefiles/docker.ink.mk: do not always pass CFLAGS to docker (#17818)
• makefiles/libc/newlibc: allow toolchains with nano version only (#17553)
• makefiles: socat set tty mode 8N1 (#17853)
• makefiles: use C++14 standard by default for C++ compilations (#17479)
• tools/dhcpv6-pd_ia: create /run/kea on startup (#17674)
• tools/cpy2remed: Addition of new programmer for nucleo boards (#17550)

Kconfig

• boards/Kconfig: remove wrongfully added MODULEAUTOINIT_LED* sym (#17684)
• cpu/stm32: Add clock config for mp1 to kconfig (#17521)
• board/*/kconfig: Fix boards on kconfig blocklist (#17467)
• boards: Use BOARD.config pattern for kconfig (#17648)
• cpu/stm32/wl: Model kconfig clocks (#17496)
• drivers/*/Kconfig: Cleanup of simple drivers (#17669)
• pkg/littlefs2: model Kconfig (#17882)
• sys/chunked_ringbuffer: model Kconfig (#17744)
• sys/fido2: model Kconfig (#17435)
• {disp,touch}_dev: improve Kconfig at different levels (#17458)

Examples

• examples/gcoapblockserver: add gcoap block server example (#17843)
• examples/lorawan: add the possibility to use ABP activation procedure (#11237)
• examples/gcoap_dtls: match Makefile of examples/gcoap (#17552)
• examples/twr_aloha: refactor (#17406)
• examples/twr_aloha: blacklist test on ci (#17557)
• Make example/emcute_mqtt honor radio settings (#17773)

Testing

• .github/workflows/test-on-iotlab: add dwm1001 (#17558)
• tests/*: add BOARDs to Makefile.ci (#17754)
• tests: add default BOARDS (#17715)
• CI: disable microbit testing (#17953)
• murdock: prioritize job collection over build jobs (#17610)
• murdock: support emulated boards (#17434)
• murdock: use json output $(BINDIR) size (#17213)
• tests/*: remove unneeded xtimer_init (#17566)
• tests/xtimer: remove unneeded timex calls (#17728)
• tests/driverdfplayer: use eventthread instead of eventthreadlowest (#17750)
• tests/periphuartnonblocking: migrate to ztimer (#17567)
• tests/pkg_edhoc: handle multiple interfaces (#17534)
• tests/pkg_mbedtls: improve entropy test case and doc (#17606)
• tests/pkg_relic: increase stacksize (#17528)
• tests/senml: do no include saul_default (#17641)
• tests/sysatomicutils: use ztimer_usec (#17851)
• tests/sys_crypto: fix potentially uninitialized error (#17718)
• tests/threadfloat: use ztimerusec (#17835)
• tests: multiple fixes (#17840)
• workflow/tool-test: update prior install (#17738)

API Changes

• drivers/periphcommon: add periphinit_buttons to init on-board buttons (#17711)
• drivers/atwinc15x0: register with netdev (#17887)
• sys/pm_layered: use array representation, get rid of implicit IDLE mode (#17895)
• tests: rework eth drivers (#17813)
• ztimerperiodic: make callback function return bool (#17351), i.e., the logic of the return value is inverted now (ZTIMERPERIODICKEEPGOING was 0, now it is true).

And 57 minor changes.

Deprecations

Deprecations (3)

• sys/quad_math: this module has been marked as deprecated and will be removed for the next release
• sys/sema: add sema_ztimer64 to implement old api, deprecate sema (#17719)
• periph/flashpage: deprecate *_free functions (#17860)

Removals (3)

• drivers/at: remove deprecated ATSENDECHO define (#17500)
• sys/lora: remove deprecated LORAPAYLOADCRCONDEFAULT define (#17517)
• sys/loramac: remove deprecated LORAMACDEFAULTPUBLIC_NETWORK (#17516)

Bug fixes (39)

• make: add -ffunction-sections -fdata-sections to LINKFLAGS if LTO=1 (#16789)
• pkg/openwsn: add patch to use memmove() instead of memcpy() (#17900)
• [treewide] lora: use int16_t for RSSI value (#17497)
• boards/common/qn908x: perform elf checksum on shadow copy (#17757)
• boards/nucleo-f767zi: Fix adc pin config in periph_conf.h (#17560)
• core/assert: avoid including panic.h with assert.h (#17574)
• cpu/native: fix build with afl-gcc 11.2 (#17583)
• cpu/nrf52 radio: Populate info (#17592)
• cpu/nrf52/radio: fix confirm_op info cast (#17848)
• cpu/sam0_common/eth: expose correct setup function (#17746)
• dist/tools/kconfiglib: avoid rewriting /dev/null (#17873)
• drivers/at86rf215: fix disabling individual modulations (#17667)
• drivers/atwinc15x0: join multicast groups (#17880)
• drivers/dose: only disable watchdog when transiting from RECV state (#17716)
• drivers/ethos: fix build without ethos_stdio (#17608)
• drivers/mtdmapper: fix readpage and write_page backend (#17866)
• examples/lorawan: disable loramac state persistence on EEPROM (#17970)
• fs/constfs: omit leading '/' in readdir() (#17626)
• gnrc/ndp: bugfix set O-flag if target is not anycast (#17778)
• gnrc/nib: don't advertise single address for auto-configuration (#17803)
• gnrc_netif: fix potential null pointer dereference (#17856)
• makefiles.kconfig.mk: use EXTERNALMODULEDIRS in Kconfig resolution (#17596)
• murdock: fix exit -> return in subfunction (#17518)
• pba-d-01-kw2x: fix clock init by preceding cpu_init with modem clock init (#17857)
• pkg/fatfs: fix missing mutex header (#17865)
• pkg/littlefs*: align readdir() with documentation (#17623)
• pkg/tinydtls/contrib/sockdtls: fix epto_session (#17849)
• pkg/tinydtls: crypto: remove unnecessary usage of malloc() (#17878)
• pkg: fix documentation on includes (#17538)
• shell/scgnrcudp: always use delay in µs (#17657)
• sys/benchmark: fix divide by zero if runs < 1000 (#17624)
• sys/event/callback: in init set list_node.next to NULL (#17625)
• sys/fido2/ctap: fix parsing validation (#17816)
• sys/net/dhcpv6: miscellaneous tweaks (#17736)
• sys/ztimer/xtimer_compat: fix bug introduced in #17690 (#17705)
• sys/ztimer64: fix ztimer64_remove() not properly clearing timer struct (#17720)
• tests/cpuavr8xmega_driver: fix BOARD name (#17749)
• treewide: initialize several stack-allocated, but uninitialized timer structs (#17855)
• vfs: Initialize stat buffers so FSs don't have to (#17645)

Known issues

Network related issues (56)

• 6lo gnrc fragmentation expects driver to block on TX (#7474)
• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• at86rf2xx: lost interrupts (#5486)
• CC2538 RF overlapping PIN usage (#8779)
• core: "Invalid read of size 4" (#7199)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• General 802.15.4/CC2538 RF driver dislikes fast ACKs (#7304)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcnetifpktq leaks memory (#17924)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gnrctcp: gnrctcp_recv() never generates -ECONNABORTED (#17896)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• Neighbor Discovery not working after router reboot when using SLAAC (#11038)
• net: netdevdrivert::send() doc unclear (#10969)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• openthread: does not build on current Arch (#10809)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• Unclear how Router Solicitations are (or should be) handled (#15926)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (15)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)
• tests: xtimer_drift gets stuck on native (#6052)
• xtimer mis-scaling with long sleep times (#9049)
• xtimer: add's items to the wrong list if the timer overflows between xtimernow() and irq_disable() (#7114)
• xtimersetmsg: crash when using same message for 2 timers (#10510)
• xtimer_usleep stuck for small values (#7347)
• xtimer_usleep wrong delay time (#10073)

Drivers related issues (18)

• (almost solved) SPI SD-Card driver: SPI initialisation freeze until timeout (#14439)
• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• ESP32 + DHT + SAUL reading two endpoints causes freeze. (#12057)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• tests/periph_flashpage: unexpected behavior on nucleo-l4r5zi (#17599)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (6)

• examples/ccn-lite: floating point exception while testing on native (#15878)
• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• SIGFPE on native architecture when printing double floats on Ubuntu 21.04 (#16282)

Other platforms related issues (21)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• arm7: printf() with float/double not working (#11885)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/cortexmcommon: irqenable returns the current state of interrupts (not previous) (#10076)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• esp8266 precompiled bootloaders don't support partitions past 1MB (#16402)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• I found stm32 DMA periph driver bugs! when I tested stm32l431rc board. (#16242)
• Incorrect default $PORT building for esp32-wroom-32 on macOS (#10258)
• MIPS: toolchain objcopy doesn't work and no .bin can be generated (#14410)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (13)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: Setting constants on compile time doesn't really set them everywhere (#3256)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)
• Windows AVR Mega development makefile Error (#6120)

Other issues (56)

• semtechloramacinit blocking (#17907)
• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• make term output is inconsistent between boards, ethos and native (#12108)
• assert: c99 staticassert macro doesn't function for multiple staticasserts in the same scope (#9371)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• boards/saml11-xpro: second UART is broken (#17206)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• C++11 extensions in header files (#5561)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• feather-m0: make flash reports "device unsupported" (#17722)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• Possible memset optimized out in crypto code (#10751)
• Potential race condition in compileandtestforboard.py (#12621)
• pyterm on stdiocdcacm stops working after a few seconds (#16077)
• RIOT cannot compile with the latest version of macOS (10.14) and Xcode 10 (#10121)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• riotboot: ECC faults (eg. in STM32L5 or STM32WB) not handled gracefully (#17874)
• rust-gcoap example is incompatible with littlefs2 (#17817)
• scheduler: priority inversion problem (#7365)
• stdio_ethos: infinite shell loop (#17972)
• sys/fmt: Missing tests for fmtfloat, fmtlpad (#7220)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkg_tensorflow-lite: tests randomly failing on nrf52dk and esp32-wroom-32 (#13133)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests/thread_float: crashes on avr-rss2 (#16908)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Tracker: Reduce scope on unintended COMMON variables (#2346)
• usb-serial/list-ttys.sh: Broken when a debugger offers multiple serial ports (#15814)
• Use of multiple CAN bus on compatible boards (#14801)

There are 185 known issues in this release

Fixed Issues since the last release (2022.01)

• Kconfig: genconfig.py rewrites /dev/null (#17862)
• gcoap_dtls: Selecting transport at run time is not possible (#16674)
• LTO broken (binaries too large) (#16202)
• File systems report names with leading slashes (#14635)

4 fixed issues since last release (2022.01)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by OlegHahm almost 4 years ago

riot - Release-2022.01

RIOT-2022.01 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release

The 2022.01 release brings support for new packages, new boards and drivers, as well as several package upgrades and bug fixes. Among others, this release improves the RIOT codebase with:

Rust support

RIOT now offers convenient integration of Rust application programming, with wrappers interfacing to RIOT modules such as timers, network stack.

Improved timers

Many modules have migrated from using xtimer to our more power-efficient alternative ztimer. Also, ztimer64 was introduced, which enables a drop-in replacement for all of xtimer features.

Kconfig support

Kconfig modeling coverage is significantly extended. Nearly all supported boards are now modeled with Kconfig.

Summary:

436 pull requests, composed of 1159 commits, have been merged since the last release, and 11 issues have been solved. 43 people contributed with code in 88 days. 2475 files have been touched with 44925 (+) insertions and 14687 deletions (-).

Notations used below

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

Full list available at https://github.com/RIOT-OS/RIOT/milestone/37?closed=1

Core

• core/include/kerneldefines.h: add indexof() macro (#17142)
• core: Add ISCTCONSTANT() (#17273)
• core: add WITHOUTPEDANTIC() and DECLARECONSTANT() (#17176)
• core: Warn about using irq_enable (#17433)
• core: make SCHEDTESTSTACK boolean and default to 1 with DEVELHELP (#17132)

System Libraries

• sys/architecture: add HASALIGNMENTOF() helper (#17177)
• sys/arduino: add assertion to gpio handling (#17443)
• sys/atomicutils: add atomic{load,store}_ptr() (#17256)
• sys/include/event/periodic: add count (#17276)
• sys/isrpipe: add isrpipe_write (#17336)
• sys/sched_rr: Add a round robin scheduler module (#16126)
• sys/stdio: add optional function stdio_available (#17446)
• sys/testutils/resultoutput: add sort to multiple output check (#17269)
• sys/tsrb: add peek functions (#17266)
• sys/tsrb: add tsrb_clear (#17337)
• sys/ztimer: add 'ztimernoperiph_rtt' (#17284)
• sys/ztimer: add some best practices (#17370)
• sys/ztimer: ztimer_now() add warning regarding comparing now() values (#17404)
• usb/hid: Add HID report descriptor defines (#17242)
• sys/arduino: add Serial over stdio support (#17447)
• sys: introduce sysclk function to retrieve core clock frequency (#17342)
• sys/new_delete: add malloc/free based new/delete implementation (#17464)
• event/timeout: remove forced ZTIMER_USEC dependency (#16958)
• riotboot_dfu: use ztimer instead of xtimer (#17051)
• riotboot_serial: enter bootloader mode by pin (#17248)
• schedstatistics: Convert to ztimer (#17216)
• stdio_rtt: Convert to ztimer (#17122)
• stdio_semihosting: Convert to ztimer (#17123)
• sys/can: migrate to ztimer (#17366)
• sys/cpp11-compat: use new/delete operators from sys/cppnewdelete (#17475)
• sys/evtimer: use now returned by set (#17394)
• sys/fmt: make fmts32dfp() string based (#17106)
• sys/Makefile.dep: fix event periodic dependency (#17318)
• sys/picolibcsyscallsdefault: support new picolibc stdio globals (#17001)
• sys/random: default to musl LCG instead of TinyMT (#17188)
• sys/suit: adjust dependencies for CoAP transport (#17182)
• sys/testutils/resultoutput/json: optional space after symbol (#17034)
• sys/turo: Allow default selection of json (#17039)
• sys/ztimer/xtimer2ztimer.cocci: extend and fix api replacements (#17234)
• sys/ztimer64: default select ztimer64_init (#17414)
• sys/ztimer64: make delentryfromlist() safe for uninit ztimer64_t (#17368)
• sys/ztimer: remove double ztimer indirection (#17272)
• sys/ztimer: ztimer_remove report success (#17408)
• usbus/cdc_acm: Return stall on line coding not supported (#17085)
• usbus/hid: fix ep_out readiness (#17230)
• usbus/hid: fix ep_out readiness (#17245)
• usbus: Bind extra USB config (#17380)
• usbus: check received setup request data amount (#17203)
• sys/ztimer64: initial PR (#16928)

Networking

• gnrcpktbufcmd: add od dependency with gnrcpktbufstatic (#17228)
• sys/net/dhcpv6: Add stateless DHCPv6 (#16731)
• sys/net: Add ipv4/ipv6 pseudomodules (#16966)
• sys/shell/scnimblenetif: add ping subcommand (#16539)
• dsm: rename DTLSPEERMAX and make it dependent on CONFIGDTLSPEER_MAX (#16967)
• gcoapdtls: destroy session in _tlsend only on connection errors (#16963)
• gnrcdhcpv6client / uhcp: delay router advertisements until prefix was received (#16755)
• gnrc_gomach: adapt duty recording parameters' namings. (#8954)
• gnrc_netif: move netdev initialization to ops->init (#16918)
• lwip: bump to v2.1.3 (#16774)
• net/gcoap: port to ztimer (#17141)
• nimble/statconn: use errno return values (#17344)
• pkg/lwip: Don't control IPv6 via IPv4 flag (#17175)
• pkg/lwip: Fix dualstack build when only using 6lowpan (#17174)
• pkg/openthread: bump version to 20200818 + adapt to use CMake to configure the build (#16948)
• pkg/openthread: migrate to ztimer (#17120)
• pkg/paho-mqtt: migrate to ztimer (#17143)
• pkg/semtech-loramac: fix get/set dr command (#17117)
• sys/evtimer,ztimer: do not depend on ztimer_now64 (#17357)
• sys/net/gnrc: fix compilation with -Wcast-align (#17157)
• sys/shell/gnrc_netif: Allow 'ifconfig help' (#17006)
• test/ieee802154_hal: general cleanup and cosmetic fixes (#16913)
• tests/lwip_sock: Take lock before calling etharp (#17145)
• socket_zep: port to radio HAL (#16932)
• ieee802154/hal: adapt to latest changes of #13943 (#16946)

Packages

• pkg/lz4: add support for LZ4 compression/decompression (#17178)
• pkg/uzlib: add support for zlib compression/decompression (#17179)
• pkg: add support for Elk Tiny Javascript engine (#16887)
• pkg: add support for FreeRTOS coreJSON library (#16997)
• pkg/arduinosdi12: add SDI-12 for Arduino as package (#16587)
• hacl: Switch git address to RIOT-OS-pkgmirror (#16941)
• make: support package mirrors (#16927)
• pkg/emlearn: bump to 0.12 (#16937)
• pkg/jerryscript: bump to 2.4.0 (#16938)
• pkg/mynewt-core/patches: silence cast-align (#17397)
• pkg/qr-code-generator: bump to 1.7.0 (#16939)
• pkg/uwb-core: fix wrong header include (#17345)
• pkg/uwb-core: enable frame filtering, allow usage of common event thread (#17264)
• pkg/wakaama: use ztimer (#17103)
• pkg/arduinosdi12: support the remote-revb board (#17119)
• pkg/fatfs: bump version to r0.14b (#16412)
• Update tiny-asn1 package (#16936)
• pkg/lvgl: use ztimer instead of xtimer (#17031)
• pkg: migrate some packages to ztimer (#17309)

Boards

• boards/feather-m0: add arduino feature (#17401)
• boards/iotlab-m3: add MTD definition (#17339)
• boards/nrf9160dk: add riotboot support (#17226)
• boards/nucleo-g431rb: added PWM configuration (#17030)
• boards/p-l496g-cell02: add riotboot feature (#17463)
• boards/stm32f469i-disco: Add DAC (#17214)
• boards/stm32g031-disco,examples,tests: Added STM32G031-DISCO board (#16959)
• boards: add board support for Alientek Pandora (#17259)
• boards: add support for stm32f746g-disco (#17198)
• boards/common/microbit: fix doxygen grouping (#17440)
• boards/esp* and cpu/esp: feature definition cleanup (#17438)
• boards/lora-e5-dev: enable 3.3V and 5V output by default (#17158)
• boards/lora-e5-dev: fix default DARWIN port (#17373)
• boards/stm32f469i-disco: Create board (#16898)
• boards/{calliope-mini,microbit*}: factorize common microbit module, use ztimer (#17124)
• boards: cpu: replace GPIOUNDEF by SPICS_UNDEF in SPI configuration (#17468)
• boards: model nrf52 boards (#17299)
• boards: unify user button defines (#17428)
• tools/elf2uf2: addition of new PROGRAMMER for RPi-pico (#17348)

CPU

• Add some Rust building infrastructure and example (#16274)
• cpu/esp32: add clear bus during init to the I2C software implementation (#17346)
• cpu/nrf9160: add periph_flashpage support (#17225)
• cpu/stm32: Add hardening changes to stm32 (#16979)
• nimble_scanner: rework to enable scanning BLE5 PHYs and extended advertisements (#16843)
• nrf5x_common: Add qdec peripheral implementation (#17201)
• cpu/esp32: Add openocd programming support (#16911)
• cpu/stm32: add driver for the LTDC peripheral (#17437)
• cpu/stm32: add new usbdev FS support (#17281)
• cpu/stm32: add support for U5 family (#17410)
• boards/common/esp8266: Set RTS and DTR to 0 on pyterm. (#16305)
• cc2538rf: remove RX Busy detection in requestsettrxstate (#16821)
• cpu/arm7_common: suppress false positives of cppcheck (#17218)
• cpu/atmega_common: make cppcheck happy (#17219)
• cpu/atmegacommon: Remember CTC mode with timerperiodic (#17387)
• cpu/atxmega/include/cpu_conf: ztimer64 arithmetic idle stack fix (#17362)
• cpu/cortexm_common: make CI happy (#17220)
• cpu/esp32: make CI happy (#17221)
• cpu/esp32: place freertos and periph in IRAM (#17087)
• cpu/esp32: support CPU clocks 2 MHz and 40 MHz (#17413)
• cpu/esp: change dynamic SSID option handling (#17415)
• cpu/esp: migrate to ztimer (#17386)
• cpu/kinetis/include: fix xtimer backend timer selection (#17393)
• cpu/native/include: other stacksizes based on default (#16956)
• cpu/native: migrate periph_rtc to ztimer (#17125)
• cpu/qn908x: migrate ADC periph to ztimer (#17321)
• cpu/sam0_common: SPI: don't perform DMA transfer for small buffers (#16926)
• cpu/sam0_common: uart: set oversampling based on baud rate (#17186)
• cpu/stm32/include/cpuconfstm32_common.h: fix typo in macro (#17187)
• cpu/stm32: bump cmsis repositories to latest releases + extend CPU models kconfig (#17293)
• cpu/stm32: duplicated ADC devices definitions (#16968)
• cpu/stm32: migrate adc and eth periphs to ztimer (#17320)
• cpu/stm32: split periph_cpu.h in sub headers (#17441)
• cpu: do not auto-select ztimerperiphrtt for sam0, fe310 (#17395)
• drivers/periph: use uintfast8t as default type (#17191)
• esp8266: Download Espressif RTOS SDK as a new RIOT PKG (#16425)
• periph/flashpage: extend API (#16972)
• periph/flashpage: fix wrong doxygen group (#17202)
• stm32/usbdev: Use ztimer instead of xtimer (#17047)
• cpu/esp: compile optional modules in CI (#17314)
• cpu/stm32/wl: initial periph_adc implementation (#17183)
• cpu/stm32: enable USB OTG FS on high end L4 (#17302)

Device Drivers

• drivers/dose: enable standby pin (#16752)
• drivers/hm330x: initial commit (#16333)
• drivers: add PCF857X I2C I/O expander driver (#10430)
• drivers: only build saul interface if saul module is used + add saul_drivers test application (#17470)
• netdev: add netdevregistersignal (#16922)
• drivers/ft5x06: add support for touch panel controller (#17448)
• drivers/stmpe811: add spi mode (#17088)
• drivers/dose: make use of UART collision detection feature (#16681)
• driver/at30tse75x: port to ztimer_usec (#17137)
• drivers/ads101x: migrate to ztimer (#17102)
• drivers/ata8520e: migrate to ztimer (#17105)
• drivers/atwinc15x0: migrate to ztimer (#17381)
• drivers/bmp180: migrate to ztimer (#17101)
• drivers/dose: calculate timeout based on symbol rate (#16768)
• drivers/dsp0401: migrate to ztimer (#17110)
• drivers/mhz19: migrate to ztimer (#17308)
• drivers/rn2xx3: migrate to ztimer (#17112)
• drivers/sdcardspi: convert to ztimerusec (#17361)
• drivers/stmpe811: improve interrupt callback management (#17487)
• drivers/xbee: migrate to ztimer_msec (#17114)
• drivers: migrate mpu9x50 and si70xx to ztimer (#17358)
• drivers: migrate some drivers to ztimer (#17315)
• drivers: remove some useless xtimer includes (#17303)
• drivers: several cleanups related to xtimer + some ztimer migration (#17375)
• makefiles: remove PCF857x pseudomodule definitions (#17343)
• drivers/periph_common: build periph module selectively (#17418)

Documentation

• boards/lora-e5-dev: add warning in doc (#17185)
• doc/getting-started.md: added beginner friendly instructions (#17050)
• doc/rust: Add maintenance guidance (#17505)
• boards/lora-e5-dev: extended documentation (#17244)
• boards/stm32f746g-disco: extend documentation (#17310)
• doc/.../getting-started.md: update software requirements (#17002)
• doc/boards/rpi-pico: Addition of section concerning shell access (#17454)
• doc: fix libcoap removal commit (#17378)
• pkg/openwsn: update doc (#17131)
• tools/zep_dispatch: document foren6 usage (#17326)
• doc: fix missing or non matching arguments in Doxygen documentation (#17461)

Build System / Tooling

• dist/tools/ci: add canfastci_run.py (#17239)
• dist/tools/doccheck/exclude_patterns: add new warnings (#17104)
• dist/tools/doccheck: add create_pattern.sh (#17082)
• make: add info-emulated-boards helper target (#16975)
• Makefile.base: add SUBMODULESNOSRC to excluded a selected SUBMODULE *.c (#17222)
• tools/compileandtestforboard: apply black automatic code formatter + add format checker in tox (#16905)
• tools/insufficientmemory: add createmakefile.ci.sh and Makefile.ci make target (#16109)
• tools/pythonlibs/riotctrl_*: add code format check with black (#16915)
• tools/zep_dispatch: add support for foren6 sniffer (#16879)
• tools/zep_dispatch: add topology generator (#16889)
• makefiles/cflags.inc.mk: Add -Wcast-align (#14955)
• cppcheck: output all annotations as error (#17134)
• dist/tools/coccinelle/force: remove static.cocci (#17139)
• Makefile.include: remove warning about EXTERNALMODULEDIRS API change (#16984)
• Makefile.include: rename Makefile.ci target to create-Makefile.ci (#17205)
• makefiles/docker.inc.mk: pass TEST_KCONFIG (#17398)
• murdock: make use of canfastci_run.py (#17325)
• static-tests: disable cppcheck (#17282)
• tools/backport_pr: check code format with black (#16907)
• tools: canfastci_run.py: ignore comment changes for \.[ch]$ (#17405)

Kconfig

• cpu/avr8: model kconfig (#16929)
• cpu/efm32: model kconfig (#16912)
• cpu/esp: integrate CPU clock frequency selection in Kconfig (#17424)
• cpu/msp430: add Kconfig (#17290)
• cpu/nrf52: initial kconfig modeling (no netif) (#16837)
• cpu/nrf9160: add Kconfig dependencies (#17291)
• cpu/riscv: model Kconfig (#16909)
• makefiles/kconfig: add board & CPU config variables (#17376)
• pkg/uwb*: add Kconfig dependency modelling (#16780)
• sys/trace: migrate to ztimer and add Kconfig support (#17319)
• .murdock: Add modules/pkgs diff of make/kconfig (#17094)
• .murdock: Add nucleo boards to kconfig test (#16845)
• .murdock: Add same54-xpro to kconfig tests (#17255)
• .murdock: Kconfig test apps for all boards (#17402)
• boards/adafruit-itsybitsy-m4: Model kconfig (#17331)
• boards/feather-m0*: base board definition in Kconfig (#17445)
• boards/samd21-based: model Kconfig (#17355)
• boards/saml21-based: model kconfig (#17270)
• boards/stm32-based: model Kconfig (#17374)
• cpu/esp{32,8266}: model kconfig (#17232)
• cpu/kinetis: model kconfig (#17235)
• cpu/lpc23xx: model kconfig (#17279)
• cpu/nrf51: model kconfig (#17274)
• cpu/qn908x: model kconfig (#17277)
• cpu/{cc26xx, cc13xx}: model kconfig (#17236)
• drivers/sx126x/Kconfig: rework model selection (#17289)
• sys/benchmark/kconfig: cleanup ztimer dependency (#17317)
• sys/log: model Kconfig (#17286)
• sys/vfs: model Kconfig (#17287)

Examples

• example/gcoap: add LWIP make option (#17130)
• examples/gcoap: split client and server implementation (#17471)
• examples/gnrcnetworkingsubnets: remove broken symlink (#17389)
• examples/lorawan: use ztimer_msec if not rtc (#17181)
• examples/gnrc_networking: cleanup and static function declarations in udp.c (#17384)

Testing

• pkg/fff: Add fake functions framework package (#17076)
• murdock: add some doc on how to efficiently limit builds (#17312)
• tests/benchztimer: add port of benchxtimer (#17391)
• tests/pkg_ucglib: add missing function declaration (#17347)
• gh/workflows/release-tests: update LoRaWAN parameters to ttnv3 (#17009)
• gha/workflows/release-test: set python version to 3.8 (#17038)
• tests/*: Fix nightly failures due to f-string (#17283)
• tests/malloc: fix counting bugs (#17323)
• tests/periph_adc: migrate to ztimer (#17322)
• tests/periphtimerperiodic: spice up test (#17388)
• tests/unittests/tests-base64: enlarge test buffer for worst case (#17292)
• test/pkg_u8g2: increase main stacksize for SDL (#16954)
• tests/pkgfatfs{vfs}: drop whitelist (#17478)
• Fix some cppcheck errors (#17271)

API Changes

• core/kerneldefines.h: drop ALIGNOF() (#17267)
• core/kerneldefines: drop BUILDBUG_ON() (#17268)
• core/msg: make msg_avail() return 0 on no queue (#17262)
• cpu: call cpu_init() from startup code, not from board (#16055)
• drivers/periphi2c: let i2cacquire return void (#17275)
• sys/ztimer: ztimer_set() return the now value (#17385)
• USB: refactor to xmit-based API (#17064)

Deprecations

Deprecations (2)

• cpu/mips: deprecate mips cpu (#17304)
• sys/include/xtimer.h: deprecate nanosleep (#17296)
• sys/include/evtimer.h: deprecate evtimernowmin (#17357)
• usbdev/USBUS: deprecate transfer failure reporting report (#17046)

Removals (9)

• boards/fox: remove BOARD (#17021)
• dist/iotlab: remove deprecated auto-ssh backward compatibility (#17476)
• drivers/ethos: remove deprecated USEETHOSFOR_STDIO define (#17499)
• make: remove deprecation warnings raised with flasher tools old vars (#17490)
• pkg/libcoap: remove (#17163)
• sys/asymcute: remove deprecated CONFIGASYMCUTEBUFSIZE_EXP (#17481)
• sys/crypto: remove deprecated CIPHERAES128 (#17480)
• sys/saulreg: remove deprecated saulreg_rm function (#17489)
• sys/shell: remove deprecated SHELLNO{ECHO,PROMPT} defines (#17484)

Bug fixes (66)

• cpu/native: add -no-pie to LINKFLAGS (#16186)
• boards/adafruit-clue: use internal RC oscillator (#17069)
• boards/feather-m0-*: fix Arduino feature in Kconfig (#17444)
• boards/nrf9160dk: fix LED macros (#17328)
• boards/nucleo-g07xrb: fix or exclude some doxygen warnings (#17079)
• boards/nucleo-g07xrb: fix or exclude some doxygen warnings backport 2021.10
• boards/stm32f723e-disco: use connectassertsrst with openocd (#17462)
• boards/stm32f746g-disco: use connectassertsrst with openocd (#17449)
• boards/stm32f769i-disco: fix and cleanup default configuration (#17199)
• cdc_ecm: Truncate frames at max ethernet size (#17200)
• cpu/atmega1281: fix pcint (#17227)
• cpu/esp*: small documentation fixes (#17456)
• cpu/esp32: fix espwifienterprise compilation problem (#17306)
• cpu/esp8266: fix problems with ESP WiFi and migration to ztimer (#17427)
• cpu/esp8266: place freertos functions in IRAM (#17080)
• cpu/esp: revert the change for default definition of ESPWIFIPASS (#17420)
• cpu/espcommon: fix unaligned access in periphflashpage (#17150)
• cpu/native: align stack in threadstackinit() (#17155)
• cpu/sam0: prevent disabled irq from being called (#17007)
• cpu/stm32/periph/usbdev: fix alignment issues (#17154)
• cpu/stm32: clone cmsis header in build/stm32 (#17212)
• dhcpv6_client: keep integers in retransmission calculations signed (#16992)
• doc: fix the reference to libcoap removal commit in LOSTANDFOUND.md (#17371)
• driver/css811: fix read status (#17340)
• drivers/ccs811: fix of documentation (#17169)
• drivers/dht: correct interpreting raw values (#16934)
• drivers/dose: fix standby mode (#17184)
• drivers/encx24j600: fix unaligned memory access (#17156)
• drivers/lis3dh: fix unaligned memory access (#17149)
• drivers/sx126x: fix sync word and TX PA configuration (#17138)
• ethos: move bulk of state machine out of ISR context (#17265)
• Fix NDEBUG compilation problems (#14364)
• gnrcipv6nib: queue packets that trigger probing on border router (#16947)
• ieee802154 / tests/unittests: fix all-asan reported errors (#17329)
• Makefile.base: cleanup non selected source object files (#16945)
• Makefile.base: do not clean objects of bindist modules (#16981)
• makefile.dep: require arch_% cpu_core_% features first (#17224)
• murdock: don't run canfastcirun if `FULLBUILD==1` (#17495)
• nimble: fix nimble_scanner regression bugs (#17334)
• pkg/arduinosdi12: fix for the feather-m0 board (#17501)
• pkg/ccn-ndn: migrate to ztimer (#17377)
• pkg/littlefs{,2}: fix compilation with -Wcast-align (#17151)
• pkg/nimble: version bump to fix broken scanning (#16960)
• pkg/paho-mqtt: fix memory corruption (#17503)
• pkg/relic: bump to current master (#17161)
• pycrypto: use pycryptodome instead (#17107)
• SECURITY.md: fix broken email reference (#17118)
• shell/gnrcicmpv6echo: Fix hang with no msg queue (#17261)
• sys/fido2: fix CBOR parsing (#17192)
• sys/fido2: fix CBOR parsing backport 2021.10
• sys/net/dns: mark dnshdrt as packed (#17153)
• sys/net/fib: fix compilation with -Wcast-align (#17194)
• sys/net/gcoap: Use socket _buf API to recognize truncated requests (#16378)
• sys/posix/socket: align struct sockaddr{,_storage} (#17152)
• sys/posix/socket: use explicit bind (#16852)
• sys/testutils/resultoutput: fix turo_float() precision value (#17036)
• sys/ztimer/kconfig: enable xtimer compat only with timer backend (#17307)
• sys/ztimer: don't access non-existent timer (#17409)
• sys/ztimer: don't default to rtc for ztimer_sec (#17113)
• sys/ztimer: fix backend selection (#17372)
• tests/socket_zep: fix automatic test (#17432)
• tests/unittests: fix unaligned access (#17195)
• tools/openocd: check OPENOCDVERIFY after IMAGEOFFSET is computed (#17251)
• tools/zep_dispatch: forward based on source addr, not MAC addr (#16957)
• turo: some json fixes (#17027)
• usbus/dfu: fix underflow condition while updating firmware (#17128)

Known issues

Network related issues (53)

• 6lo gnrc fragmentation expects driver to block on TX (#7474)
• 6lo: RIOT does not receive packets from Linux when short_addr is set (#11033)
• Address registration handling inappropriate (#15867)
• app/netdev: application stops working after receiving frames with assertion or completely without error (#8271)
• at86rf2xx: Dead lock when sending while receiving (#8242)
• at86rf2xx: lost interrupts (#5486)
• CC2538 RF overlapping PIN usage (#8779)
• core: "Invalid read of size 4" (#7199)
• cpu/esp8266: Tracking open problems of esp_wifi netdev driver (#10861)
• dist/tools/sliptty/start_network.sh: IPv6 connectivity is broken on PC (#14689)
• driver/mrf24j40: blocks shell input with autoinitgnrc_netif (#12943)
• drivers/at86rf215: Incorrect channel number set for subGHz (#15906)
• DTLS examples cannot send message to localhost (#14315)
• Emcute cannot create a double-byte name (#12642)
• ethernet: Missing multicast addr assignment (#13493)
• ethos: fails to respond to first message. (#11988)
• ethos: Unable to choose global source address. (#13745)
• ethos: Unable to handle fragmented IPv6 packets from Linux kernel (#12264)
• examples/cord_ep: Dead lock when (re-)registering in callback function (#12884)
• examples/gnrcborderrouter: esp_wifi crashes on disconnect (#14679)
• Forwarding a packet back to its link layer source should not be allowed (#5051)
• gcoap example request on tap I/F fails with NIB issue (#8199)
• gcoap: Suspected crosstalk between requests (possible NULL call) (#14390)
• General 802.15.4/CC2538 RF driver dislikes fast ACKs (#7304)
• gnrc ipv6: multicast packets are not dispatched to the upper layers (#5230)
• gnrcborderrouter stops routing after a while (#16398)
• gnrcicmpv6echo: flood-pinging another node leads to leaks in own packet buffer (#12565)
• gnrc_ipv6: Multicast is not forwarded if routing node listens to the address (#4527)
• gnrcrpl: missing bounds checks in _parseoptions (#16085)
• gnrc_rpl: nib route not updated when topology / DODAG changes (#17327)
• gnrcsockudp: Possible Race condition on copy in application buffer (#10389)
• gomach: Resetting netif with cli doesn't return (#10370)
• ieee802154_submac: IPv6 fragmentation broken (#16998)
• LoRaWan node ISR stack overflowed (#14962)
• lwipsocktcp / sockasync: received events before calling sockaccept() are lost due to race condition. (#16303)
• Missing drop implementations in netdevdrivert::recv (#10410)
• net: netdevdrivert::send() doc unclear (#10969)
• netdev_ieee802154: Mismatch between radio ll address and in memory address (#10380)
• nrf52: Not able to add global or ULA address to interface (#13280)
• nrfmin: communication not possible after multicast ping with no interval (#11405)
• openthread: does not build on current Arch (#10809)
• ping6 is failing when testing with cc2538dk (#13997)
• pkg/tinydtls: auxiliary data API does not work for async sockets (#16054)
• Possible memory leak in RIOT/build/pkg/ndn-riot/app.c (#15638)
• Riot-os freezes with lwip + enc28j60 + stm32L4 (#13088)
• samr30 xpro doesn't seem to use its radio ok (#12761)
• scan-build errors found during 2019.07 testing (#11852)
• send data with UDP at 10HZ, the program die (#11860)
• stale border router does not get replaced (#12210)
• tests/lwip: does not compile for IPv4 on 6LoWPAN-based boards. (#17162)
• two nodes livelock sending neighbor solicitations back and forth between each other (#16670)
• Unclear how Router Solicitations are (or should be) handled (#15926)
• xbee: setting PAN ID sometimes fails (#10338)

Timer related issues (15)

• cpu/native: timer interrupt issue (#6442)
• misc issues with tests/trickle (#9052)
• MSP430: periph_timer clock config wrong (#8251)
• periph/timer: timer_set() underflow safety check (tracking issue) (#13072)
• periphtimer: systematic proportional error in timerset (#10545)
• saml21 system time vs rtc (#10523)
• Sleep mode for Arduino (#13321)
• stm32_common/periph/rtc: current implementation broken/poor accuracy (#8746)
• sys/newlib: gettimeofday() returns time since boot, not current wall time. (#9187)
• tests: xtimer_drift gets stuck on native (#6052)
• xtimer mis-scaling with long sleep times (#9049)
• xtimer: add's items to the wrong list if the timer overflows between xtimernow() and irq_disable() (#7114)
• xtimersetmsg: crash when using same message for 2 timers (#10510)
• xtimer_usleep stuck for small values (#7347)
• xtimer_usleep wrong delay time (#10073)

Drivers related issues (17)

• (almost solved) SPI SD-Card driver: SPI initialisation freeze until timeout (#14439)
• adc is not a ADC-Driver but a analog pin abstraction (#14424)
• at86rf2xx: Simultaneous use of different transceiver types is not supported (#4876)
• cpu/msp430: GPIO driver doesn't work properly (#9419)
• driver/hts221: Temperature and Humidity readings incorrect (#12445)
• ESP32 + DHT + SAUL reading two endpoints causes freeze. (#12057)
• examples/dtls-wolfssl not working on pba-d-01-kw2x (#13527)
• fail to send data to can bus (#12371)
• floats and doubles being used all over the place. (#12045)
• mdterase success, but vfsformat resets board (esp32-heltec- lora32-v2) (#14506)
• periph/spi: Switching between CPOL=0,1 problems on Kinetis with software CS (#6567)
• periph: GPIO drivers are not thread safe (#4866)
• Potential security and safety race conditions on attached devices (#13444)
• PWM: Single-phase initialization creates flicker (#15121)
• STM32: SPI clock not returning to idle state and generating additional clock cycles (#11104)
• TCP client cannot send read only data (#16541)
• Two bugs may lead to NULL dereference. (#15006)

Native related issues (6)

• examples/ccn-lite: floating point exception while testing on native (#15878)
• examples/micropython: floating point exception while testing on native (#15870)
• native getchar is blocking RIOT (#16834)
• native not float safe (#495)
• native: tlsf: early malloc will lead to a crash (#5796)
• SIGFPE on native architecture when printing double floats on Ubuntu 21.04 (#16282)

Other platforms related issues (21)

• Failing tests on FE310 (Hifive1b) (#13086)
• [TRACKING] Fixes for automatic tests of ESP32 boards. (#12763)
• arm7: printf() with float/double not working (#11885)
• boards/hifive1: flashing issue (#13104)
• Cannot use LLVM with Cortex-M boards (#13390)
• cpu/cortexmcommon: irqenable returns the current state of interrupts (not previous) (#10076)
• cpu/sam0: flashpage write / read cycle produces different results depending on code layout in flash (#14929)
• cpu/stm32f1: CPU hangs after wake-up from STOP power mode (#13918)
• esp32-wroom-32: tests/netstats_l2 failing sometimes (#14237)
• esp8266 precompiled bootloaders don't support partitions past 1MB (#16402)
• gcoap/esp8266: Stack overflow with gcoap example (#13606)
• I found stm32 DMA periph driver bugs! when I tested stm32l431rc board. (#16242)
• Incorrect default $PORT building for esp32-wroom-32 on macOS (#10258)
• MIPS: toolchain objcopy doesn't work and no .bin can be generated (#14410)
• MPU doesn't work on cortex-m0+ (#14822)
• newlib-nano: Printf formatting does not work properly for some numeric types (#1891)
• periph_timer: Test coverage & broken on STM32F767ZI (#15072)
• riscv: ISR stack is too small for ENABLE_DEBUG in core files (#16395)
• stm32152re: hardfault when DBGMCUCRDBG* bits are set and branch after __WFI() (#14015)
• stm32f7: Large performance difference between stm32f746 and stm32f767 (#14728)
• sys/riotboot/flashwrite: unaligned write when skipping RIOTBOOT_MAGIC on stm32wb (#15917)

Build system related issues (14)

• buildtest uses wrong build directory (#9742)
• make -j flash fails due to missing make dependencies or make flash-only rebuilds the .elf (#16385)
• Build dependencies - processing order issues (#9913)
• build: info-build doesn't work with boards without port set (#15185)
• BUILDINDOCKER ignores USEMODULE (#14504)
• dist/tools/cppcheck/cppchck.sh: errors when running with Cppcheck 1.89 (#12771)
• doxygen: riot.css modified by 'make doc' (#8122)
• LTO broken (binaries too large) (#16202)
• macros: RIOTFILERELATIVE printing wrong file name for headers (#4053)
• make: ccache leads to differing binaries (#14264)
• make: Setting constants on compile time doesn't really set them everywhere (#3256)
• make: use of immediate value of variables before they have their final value (#8913)
• Tracking: remove harmful use of export in make and immediate evaluation (#10850)
• Windows AVR Mega development makefile Error (#6120)

Other issues (53)

• [TRACKING] sys/shell refactoring. (#12105)
• NVICSystemReset stuck in infinite loop when calling pm_reboot through shell after flashing with J-Link (#13044)
• make term no longer works with JLinkExe v6.94 (#16022)
• make term output is inconsistent between boards, ethos and native (#12108)
• assert: c99 staticassert macro doesn't function for multiple staticasserts in the same scope (#9371)
• Basic test for periph/rtt introduced in #15431 is incorrect (#15940)
• boards/esp32-wroom-32: tests/mtd_raw flakey (#16130)
• boards/saml11-xpro: second UART is broken (#17206)
• Bug: openocd 0.10.0-6 Ubuntu dies while debugging with -rtos auto (#13285)
• C++11 extensions in header files (#5561)
• Can't build relic with benchmarks or tests (#12897)
• CC2538DK board docs: broken links (#12889)
• cpu/stm32/periph/rtc overflow error (#16574)
• cpu/stm32: some tests are failing on CM33 (l5, u5) (#17439)
• doc/LOSTANDFOUND: not rendered as expected (#17063)
• edbg: long lines flooded over serial become garbled (#14548)
• examples / tests: LoRa tests fail on platforms that don't support LoRa (#14520)
• File systems report names with leading slashes (#14635)
• flashing issue on frdm-k64f (#15903)
• frdm-k22f failing tests/periph_flashpage (#17057)
• gcoap_dtls: Selecting transport at run time is not possible (#16674)
• I2C not working under RIOT with U8G2 pkg (#16381)
• ieee802154_security: Nonce is reused after reboot (#16844)
• lwip: drivers/at86rf2xx/at86rf2xx_netdev.c invalid state during TCP disconnect (#17209)
• lwip: invalid state transition on ieee802154_submac users (#17208)
• Making the newlib thread-safe (#4488)
• mcuboot: flashes but no output (#17524)
• nanocoap: incomplete response to /.well-known/core request (#10731)
• newlib-nano: Printf formatting does not work properly with "PRIu8" (#17083)
• Order of auto_init functions (#13541)
• pkg/tinydtls: Multiple issues (#16108)
• Possible memset optimized out in crypto code (#10751)
• Potential race condition in compileandtestforboard.py (#12621)
• pyterm on stdiocdcacm stops working after a few seconds (#16077)
• RIOT cannot compile with the latest version of macOS (10.14) and Xcode 10 (#10121)
• RIOT is saw-toothing in energy consumption (even when idling) (#5009)
• riotboot/nrf52840dk: flashing slot1 with JLINK fails (#14576)
• scheduler: priority inversion problem (#7365)
• sys/fmt: Missing tests for fmtfloat, fmtlpad (#7220)
• sys/riotboot: documentation issues (#11243)
• sys/stdio_uart: dropped data when received at once (#10639)
• tests/cpp11_*: failing on i-nucleo-lrwan1 (#14578)
• tests/lwip target board for python test is hardcoded to native (#6533)
• tests/periph_flashpage: failing on stm32l475ve (#17280)
• tests/pkg_libhydrogen: test fails on master for the samr21-xpro with LLVM (#15066)
• tests/pkg_tensorflow-lite: tests randomly failing on nrf52dk and esp32-wroom-32 (#13133)
• tests/test_tools: test fails while testing on samr21-xpro/iotlab-m3 (#15888)
• tests/thread_float: crashes on avr-rss2 (#16908)
• tests: broken with stdiortt if autoinit is disabled (#13120)
• tests: some tests don't work with newlib lock functions. (#12732)
• Tracker: Reduce scope on unintended COMMON variables (#2346)
• usb-serial/list-ttys.sh: Broken when a debugger offers multiple serial ports (#15814)
• Use of multiple CAN bus on compatible boards (#14801)

There are 179 known issues in this release

Fixed Issues since the last release (2021.10)

• sx127x: wrong RSSI values (#17451)
• drivers/aip31068: initialization fails in most cases when using espi2csw (#17311)
• cpu/esp32: espwifienterprise compilation error (#17305)
• ethos: race condition seems to cause packet loss (#17254)
• tests/lwipsockip: failing on native when using IPV4 (#17144)
• Sam boards: isr_eic call all IRQ raised without taking into account their status (enabled/disabled) (#16978)
• esp8266: Hangs when erasing spi sector on mtd0 if using esp_wifi (#16281)
• esp32: can't use newer C++ standard than c++11 (#15685)
• tests/mpunoexecram: fails on i-nucleo-lrwan1 (#14572)
• Different build behavior between murdock and riot/riotbuild:latest image (#9645)
• pkg: libcoap is partially broken and outdated (#7737)

11 fixed issues since last release (2021.10)

Acknowledgements

We would like to thank all companies that provided us with hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Matrix and Forum

• Join the RIOT Matrix room at: #riot-os:matrix.org
• Join the RIOT Forum at: forum.riot-os.org

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.

- C
Published by emmanuelsearch about 4 years ago