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Changelog

The purpose of this changelog is to give a good overview of the changes in modm. It is an editorialized version of the git history, with features, PRs and fixes chosen for their importance to modm users as judged by the maintainers. This means that not every small commit makes it in here.

Changelog format

The release summaries are formatted as:

yyyy-mm-dd: yyyyqn release

Breaking changes: [list]
Features: [list]
Fixes: [list]
New development boards: [list]
New device drivers: [list]
Known bugs: [list]
Contributors: [list]

PR #[GitHub] -> [release tag].

With a more detailed changelog below with this format:

yyyy-mm-dd: [summary]

[detailed summary]

PR #[GitHub] -> [sha1] (with [level] impact (on [scope])).
Tested in hardware by [contributor].

Note that -> [sha1] means "all changes up to and including this commit" which needs to be interpreted in the context of the git history. This usually corresponds to the changes in the Pull Request on GitHub though.

This changelog also labels the changes with an impact and usually also scopes them to the relevant subset of modm code or targets. This describes the anticipated impact of these changes on users of modm and has four levels:

  1. No impact mentioned: No influence. Adds new features and does not touch existing code.
  2. Low impact: No expected influence. Modifies modm in a backwards compatible way.
  3. Medium impact: Likely influence. Modifies modm in a non-backwards compatible way.
  4. High impact: Definite influence. Breaks the API within the scope.

High impact changes are explicitly called out in the release notes for you to pay attention to. Medium impact changes are also worth looking at.

2021-07-01: 2021q2 release

This release covers everything from 2021-04-01 and has been tested with avr-gcc v10.1.0 from Upstream and arm-none-eabi-gcc 2020q4 from Arm.

Breaking changes:

  • TinyUSB updated from v0.8.0 to v0.10.1 with breaking changes to their APIs.
  • FreeRTOS configuration must be done by the user via the headers <FreeRTOSConfigLocal.h> and <FreeRTOSIPConfigLocal.h>.
  • modm::GraphicDisplay API changed due to change in color management.
  • New color types and API.
  • New CMake build system has different API without top-level Makefile.

Features:

  • STM32L0 support.
  • Real-Time Transport (RTT) support via OpenOCD v0.11.
  • FDCAN driver for STM32G4 (only for standard messages).
  • DMA support for all STM32 devices, except F2/F4/F7.
  • Better graphical display and color support.
  • New CMake build system for better IDE integration.
  • Top-level build scripts relicensed as BSD to allow easier adaptation.
  • LPUART driver for STM32.
  • DAC driver with DMA support for STM32.
  • Non-allocating util classes modm::inplace_any and modm::inplace_function.

Integrated Projects:

  • LVGL added at v8.0.1.
  • Petit FatFs added at v0.03a.
  • FatFs upgraded to v0.14b.
  • TinyUSB upgraded to v0.10.1.
  • FreeRTOS upgraded to 202012 LTS.

Fixes:

  • OpenOCD ITM configuration for logging.
  • Much more accurate nanosecond delay.
  • realloc with NULL pointer calls malloc when using TLSF allocator.

New development boards:

New device drivers:

Known bugs:

  • C++20 is not fully implemented by GCC10 yet, however modm does not use all features yet anyways. See #326.
  • STM32F7: D-Cache not enabled by default. See #485.
  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.
  • arm-none-eabi-gdb TUI and GDBGUI interfaces are not supported on Windows. See #591.

Many thanks to all our contributors:

PR #597 -> 2021q2.

Detailed changelog

2021-06-16: More accurate modm::delay implementation

PR #642 -> cc15b1a.
Tested in hardware by @salkinium.

2021-06-07: Extend DMA driver for even more STM32 devices

PR #632 -> 8896b5b.
Tested in hardware by @chris-durand.

2021-06-06: Add DAC driver with DMA support

PR #632 -> 9cbea26.
Tested in hardware by @chris-durand.

2021-05-20: Refactor color implementation

PR #616 -> a105072 with high impact on color types.
Tested by @TomSaw.

2021-05-10: Add LPUART driver for STM32

PR #614 -> 897579e.
Tested in hardware by @rleh.

2021-05-08: Add STTS22H temperature driver

PR #544 -> 9e7ec34.
Tested in hardware by @chris-durand.

2021-05-08: New CMake build system

PR #568 -> 98b1337 with high impact on CMake build systems.
Tested by @jasa and @salkinium.

2021-05-07: Add SH1106 display driver

PR #627 -> 7d7490d.
Tested in hardware by @TomSaw.

2021-04-22: Specialize modm::GraphicDisplay for monochrome and color

To enable optimizations for different color formats, the graphic display base classes are refactored into monochrome and color classes.

PR #604 -> 295dbc3 with medium impact on display drivers and graphics code.
Tested in hardware by @TomSaw.

2021-04-14: Adapt DMA driver for more STM32 devices

PR #608 -> 8ca2f35.
Tested in hardware by @rleh.

2021-04-13: Add FDCAN driver for STM32G4

PR #607 -> 2d2199b.
Tested in hardware by @chris-durand.

2021-04-12: Add RTT support via OpenOCD

PR #610 -> 1375ff1.
Tested in hardware by @salkinium.

2021-04-11: Upgrade FreeRTOS to 202012 LTS

The default configuration modm provides changed, and now only provides the bare minimum config and the remainder needs to be user-provided via the headers <FreeRTOSConfigLocal.h> and <FreeRTOSIPConfigLocal.h>

PR #566 -> 1375ff1 with high impact on configuration management.
Tested in hardware by @salkinium.

2021-04-06: Integrate Petit FatFs v0.03a and upgrade FatFs to v0.14a

PR #566 -> 1f5d06e.
Tested in hardware by @salkinium.

2021-04-06: Upgrade TinyUSB to v0.9.0

TinyUSB is breaking their own API quite often, so existing applications must be adapted. Any modm wrapper APIs are unaffected. See module docs for additional customization via the <tusb_config_local.h> header.

PR #566 -> 1f5d06e with high impact on TinyUSB API.
Tested in hardware by @salkinium.

2021-04-06: Integrate LVGL v7.11 for Cortex-M

PR #603 -> e0d1327.
Tested in hardware by @rleh and @salkinium.

2021-04-02: Add STM32L0 support

Also adds NUCLEO-L031K6 board and example.

PR #600 -> 0cf1c65.
Tested in hardware @chris-durand.

2021-04-01: 2021q1 release

This release covers everything from 2021-01-01 and has been tested with avr-gcc v10.1.0 from Upstream and arm-none-eabi-gcc 2020q4 from Arm.

Breaking changes:

  • Uart::initialize() arguments and behaviour changed on STM32.
  • Complete rewrite of TCS34xx color sensor driver.

Features:

  • Update AVR libstdc++ to C++20.
  • Enable C++20 with GCC10.
  • Ethernet support via FreeRTOS-TCP and LAN8720a.
  • STM32: optional UART buffers per direction.
  • Using relative paths in ELF files to easier archiving.
  • Dark mode for Doxypress documentation.
  • Makefile build system generator.
  • Better Windows installation instructions.

Fixes:

  • STM32F4/F7: Overdrive mode.
  • STM32G4: TIM2 and TIM5 as 32-bit timer.
  • STM32F0: ADC temperature calibration.
  • STM32G4: ADC clock.
  • SAMD21 Mini BSP fixes.
  • Windows: Uploading via AvrDude.

New development boards:

New device drivers:

Known bugs:

  • C++20 is not fully implemented by GCC10 yet, however modm does not use all features yet anyways. See #326.
  • Nanosecond delay may be inaccurate. See #495.
  • STM32F7: D-Cache not enabled by default. See #485.
  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.
  • arm-none-eabi-gdb TUI and GDBGUI interfaces are not supported on Windows. See #591.

Many thanks to all our contributors. A special shoutout to first timers 🎉:

PR #597 -> 2021q1.

Detailed changelog

2021-03-31: Add Touch2046/TSC2046 touchscreen controller

Also adds NUCLEO-L452RE board and example.

PR #600 -> b1e5588.
Tested by @rleh.

2021-03-26: Add Makefile build system generator

PR #557 -> df47974.
Tested by @salkinium.

2021-03-22: Add Bit-banged encoder input driver

PR #580 -> df47974.
Tested in hardware by @TomSaw.

2021-03-16: Rewrite TCS34xx color sensors

Breaking changes: Entire API was rewritten.

PR #578 -> 850b554 with high impact on TCS34xx driver.
Tested in hardware by @TomSaw.

2021-03-06: Add STUSB4500 USB-PD controller driver

PR #574 -> 1a11b08.
Tested in hardware by @rleh.

2021-03-06: Add NUCLEO-F439ZI board and example

PR #571 -> 165adf0.
Tested in hardware by @rleh.

2021-02-26: Refactor SCons build system

Adds relative paths in ELF file.

PR #558 -> 1fc3805.
Tested by @salkinium.

2021-02-23: Refactor UART HAL

Makes UART buffers individually optional by setting their size to zero. Breaking changes:

  • Uart::initialize(IrqPriority, Parity) -> Uart::initialize(Parity, WordLength).
  • Word length is not automatically set to 9-bits when setting parity anymore.
  • UartHal::setLastBitClockPulse(LastBitClockPulse) removed.
  • UartHal::setSpiClock(SpiClock) -> UartHal::setSpiClock(SpiClock, LastBitClockPulse).
  • You must now manually call UartHal::{en,dis}ableOperation() before modifying UartHal.

PR #564 -> 62b63f5 with high impact on STM32 targets.
Tested in hardware by @salkinium.

2021-02-18: Add Ethernet support via FreeRTOS-TCP and LAN8720a

Also adds NUCLEO-F767ZI board.

PR #466 -> d8be0a2.
Tested in hardware by @mikewolfram.

2021-01-14: Add MMC5603 compass driver

PR #556 -> fb2ff58.
Tested in hardware by @salkinium.

2021-01-14: Fix STM32F0 ADC temperature sensor

PR #526 -> 3ecad35 with low impact on STM32F0 targets.
Tested in hardware by @chris-durand.

2021-01-10: Add NUCLEO-F446ZE board and example

PR #533 -> 02b1571.
Tested in hardware by @chris-durand.

2021-01-10: Enable C++20

PR #521 -> 8c322a2 with low impact on all targets.
Tested in hardware by all.

2021-01-10: Update avr libstdc++ submodule to C++20 version

PR #535 -> 038657c with low impact on AVR targets.
Tested in hardware by @chris-durand.

2021-01-01: Virtual 2020q4 release

This is a virtual release only for reference that covers everything from 2020-10-01.

Breaking changes:

  • SAMD GPIO connector API is rewritten.

Features:

  • Added a .clang-format for automated code styling.
  • Update FatFS from v0.09 to v0.13.

Fixes:

  • STM32F3: Fix missing HsiDiv2 in PllSource.
  • FreeRTOS: Fix SystemCoreClock linking.
  • Proper lookup of all IOStream operator<< overloads.

New development boards:

No new device drivers.

Known bugs:

  • Nanosecond delay may be inaccurate. See #495.
  • STM32F7: D-Cache not enabled by default. See #485.
  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.

Many thanks to all our contributors:

Detailed changelog

2020-12-16: Add NUCLEO-G431RB board and example

PR #490 -> 195f7e1.
Tested in hardware by @rleh.

2020-11-16: Add NUCLEO-G431KB board and example

PR #499 -> 276f5b3.
Tested in hardware by @mcbridejc.

2020-11-04: Update FatFs to v0.13

PR #497 -> 7df2e7d with medium impact on all targets.
Tested in hardware by @salkinium.

2020-10-07: Rewrite of SAMD GPIO connector API

PR #482 -> dc56af2 with high impact on SAMD targets.
Tested in hardware by @henrikssn.

2020-10-06: Add NUCLEO-F334R8 board and example

PR #489 -> 85eec34.
Tested in hardware by @rleh.

2020-10-01: Virtual 2020q3 release

This is a virtual release only for reference that covers everything from 2020-07-01.

No breaking changes.

Features:

  • SAMD21 support with GPIO, UART, External Interrupt.
  • A rewritten AMNB protocol.
  • RaspberryPi support with GPIO (via Linux/WiringPi).
  • Better Windows support incl. CI.
  • Compliance with CMSIS SystemCoreClock interface.
  • TinyUSB integration!

Fixes:

  • STM32F3: Fix Adc::isConversionFinished().
  • STM32: Add missing BDTR register to TIM14.
  • STM32: Fix RCC clock enable for Ethernet.
  • STM32L1: Fix CMSIS Header selection for -A variants.
  • STM32F0/G0: Add support for remapped pins.
  • FreeRTOS: Make malloc thread-safe.

New development boards:

New device drivers:

Known bugs:

  • STM32F7: D-Cache not enabled by default. See #485.
  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2020-09-30: Integrate TinyUSB for STM32 and SAMD

PR #478 -> 3072005.
Tested in hardware by @salkinium.

2020-09-19: Add ILI9341 Parallel/SPI display driver

PR #437 -> 43f32e6.
Tested in hardware by @mikewolfram and @delphi.

2020-09-18: Update FreeRTOS and make malloc thread-safe

PR #475 -> cb82eec with low impact in ARM Cortex-M targets.
Tested in hardware by @strongly-typed and @salkinium.

2020-09-18: Add GPIO remap support for STM32F0/G0

PR #471 -> 48d73dc with low impact on STM32 targets.
Tested in hardware by @chris-durand and @salkinium.

2020-09-12: Add DevEBox STM32F4xx board and examples

PR #462 -> 8082f69.
Tested in hardware by @strongly-typed.

2020-09-07: Add RaspberryPi support

Wraps <wiringPi.h> for GPIO driver.

PR #444 -> d3496a3.
Tested in hardware by @henrikssn.

2020-08-30: Add FreeRTOS+TCP module

PR #448 -> 821677b.
Tested in hardware by @mikewolfram.

2020-08-15: Add IS31FL3733 LED matrix driver

PR #445 -> 9b6aeee.
Tested in hardware by @salkinium.

2020-07-31: Add GPIO Sampler driver for STM32

PR #96 -> 9d8bbfa.
Tested in hardware by @salkinium.

2020-07-20: Add rewrite of AMNB protocol

PR #395 -> 8820d6b.
Tested in hardware by @salkinium.

2020-07-20: Add SAMD21 External Interrupt driver

PR #436 -> cbce428.
Tested in hardware by @henrikssn.

2020-07-08: Add SAMD21 basic UART driver

PR #430 -> 04688bc.
Tested in hardware by @henrikssn.

2020-07-07: Add LIS3MDL compass driver

PR #428 -> 0994a55.
Tested in hardware by @nesos.

2020-07-05: Add SAMD21 modm port

Also adds Feather-M0 and SAMD21 Mini BSPs.

PR #194 -> d2d38a0.
Tested in hardware by @salkinium and @henrikssn.

2020-07-02: Add LSM6DS33 compass and gyroscope driver

PR #426 -> e233708.
Tested in hardware by @nesos.

2020-07-01: Virtual 2020q2 release

This is a virtual release only for reference that covers everything from 2020-04-01.

Breaking changes:

  • Move FCPU option to modm:platform:core:f_cpu lbuild option.
  • modm::Clock reimplemented using std::chrono.
  • ZeroMQ support removed as ZeroMQ is unmaintained.
  • STM32 DMA driver rewritten for only STM32L4.

Features:

  • modm::delay() is now std::chrono compatible.
  • modm::PreciseClock with microsecond resolution.
  • Containers derive from std::iterator to work with STL algorithms.
  • Simple (stateless) CRC8, CRC16, CRC32 implementations.
  • .ramcode linker section for Cortex-M.
  • Use linkerscript via lbuild option.
  • Simple Flash driver for STM32G0/F4.
  • Basic DAC driver for STM32F4.

Fixes:

  • Fix <cmath> in AVR libstdc++.
  • Cortex-M: Explicitly set the stack pointer on startup, since some bootloaders forget to load the stackpointer from the image.
  • TLSF free() ignores null pointers.
  • STM32F0/F3: Correct Pll Source selection.

New development boards:

New device drivers:

Known bugs:

  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2020-06-19: Add basic DAC driver for STM32F4

PR #420 -> 78d18f6.
Tested in hardware by @mcbridejc.

2020-06-14: Add bit-banged encoder output

PR #153 -> 21af57b.
Tested in hardware by @rleh.

2020-06-13: Add Sx1276 LoRa Modem driver

PR #418 -> 7d1f7cc.
Tested in hardware by @nesos.

2020-06-11: Add Flash driver for STM32G0/F4

PR #417 -> 9e285db.
Tested in hardware by @salkinium.

2020-05-12: Add LP503x LED driver

PR #366 -> 6e5ebf4.
Tested in hardware by @chris-durand.

2020-05-12: Add NUCLEO-F746ZG board and example

PR #396 -> c38550a.
Tested in hardware by @FelixPetriconi.

2020-05-12: Add NUCLEO-F746ZG board and example

PR #396 -> c38550a.
Tested in hardware by @FelixPetriconi.

2020-05-08: Add DMA-capable SPI driver

PR #400 -> 80a9c66 with low impact on STM32 targets.
Tested in hardware by @mikewolfram.

2020-05-06: Rewrite DMA implementation for STM32L4

The previous DMA implementation is replaced by a new STM32L4-only one.

PR #371 -> 0217a19 with high impact on STM32 targets.
Tested in hardware by @mikewolfram.

2020-04-25: Add Mega 2560 PRO board and example

PR #382 -> 11ffe92.
Tested in hardware by @chris-durand.

2020-04-16: Add NUCLEO-F303RE board and example

PR #376 -> 141aa71.
Tested in hardware by @luxarf.

2020-04-09: Rewrite modm::Clock and add modm::PreciseClock

Highly efficient implementation via SysTick on Cortex-M and TC0 on AVR. Breaking changes:

  • modm::Clock now using std::chrono compatible interface.

PR #217 -> c63a536 with high impact on AVR and STM32 targets.
Tested in hardware by @salkinium.

2020-04-06: std::chrono compatible modm::delay

PR #374 -> b010775 with low impact on all targets.
Tested in hardware by @salkinium.

2020-04-01: Virtual 2020q1 release

This is a virtual release only for reference that covers everything from 2020-01-01.

Breaking changes:

  • modm_assert() arguments, behavior and assertion handler arguments.
  • STM32: Rcc::enablePll(PllFactors&) arguments.

Features:

  • Doxypress support for API docs generation.
  • Support for C11/C++11 atomics on ARMv6-M.
  • Make heap module optional with linker failure when accidentally calling malloc.

Fixes:

  • I2C NACK handling on STM32.
  • Static initialization guard for C++.

No new development boards.

New device drivers:

Known bugs:

  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.

Many thanks to all our contributors:

Detailed changelog

2020-03-30: Add HX711 scale driver

PR #372 -> d21e991.
Tested in hardware by @strongly-typed.

2020-03-19: Move heap into own module

modm:platform:heap is optional and will cause the linker to fail if malloc is called without this module.

PR #364 -> b8648be with medium impact on Cortex-M targets.
Tested in hardware by @salkinium.

2020-03-19: Pass PLL configuration as struct

Breaking changes:

  • Single arguments of Rcc::enable() now passed as struct.

PR #361 -> e3ba913 with high impact on STM32 targets.
Tested in hardware by @rleh.

2020-03-19: Refactor modm_assert interface and implementation

Breaking changes:

  • modm_assert signature.
  • Additional modm_assert_* functions with new behaviors.
  • Assertion handler signature and arguments.

PR #351 -> 23ec952 with high impact on all targets.
Tested in hardware by @salkinium.

2020-03-13: Implement C11 atomics on ARMv6-M

PR #346 -> 5332765.
Tested in hardware by @salkinium.

2020-03-12: Add C++ RTTI and Exception support

As lbuild options in the modm:stdc++ module.

PR #343 -> 4ff604f.
Tested in hardware by @salkinium.

2020-01-20: Add CAT24AAxx I2C EEPROM driver

PR #321 -> b721551.
Tested in hardware by @mikewolfram.

2020-01-01: Virtual 2019q4 release

This is a virtual release only for reference that covers everything from 2019-10-01.

Breaking changes:

  • modm:target option requires extended identifiers.

Features:

  • STM32G4 support!
  • DFU programmer support.
  • STM32G0: Add ADC driver.

Fixes:

  • NUCLEO-F303K8: SystemClock for USART1 and I2C1.
  • STM32: I2C NACK interrupt.

New development boards:

  • NUCLEO-G474RE as modm:board:nucleo-g474re.
  • Black Pill F401 as modm:board:mini-f401
  • Black Pill F411 as modm:board:mini-f411

New device drivers:

Known bugs:

  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.
  • Generating modm on Windows creates paths with \ that are not compatible with Unix. See #310.

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2019-12-19: Add STM32G0 ADC driver and SK9822 LED driver

PR #318 -> fb21f62.
Tested in hardware by @salkinium.

2019-10-20: Update of modm-devices

Breaking changes: modm:target option requires longer identifier, however, it will give you a list of ambiguous targets to choose from.

PR #306 -> 62ccc26 with high impact in all targets.
Tested in hardware by @salkinium.

2019-10-12: Add Mini-F4x1 STM32 boards and examples

PR #302 -> 64d177a with low impact in STM32 targets.
Tested in hardware by @rleh.

2019-10-09: Add STM32G4 support

Also adds NUCLEO-G474RE board and examples.

PR #287 -> afaea7f with low impact in STM32 targets.
Tested in hardware by @rleh.

2019-10-01: Virtual 2019q3 release

This is a virtual release only for reference that covers everything from 2019-07-01.

Breaking changes:

  • Modularized CMSIS-DSP integration.
  • Refactored CMake build script generator.
  • Refactored NRF24 radio driver.
  • Removal of deprecated TIPC XPCC backend.
  • Removal of deprecated SDL display driver.

Features:

  • Remove hardcoded OpenOCD programmer for some boards.
  • AVR: size reporting.
  • CMake: Support multi-repository builds.
  • HARDWARE_INIT helper macro for linker section.

Fixes:

  • STM32: Acknowledge external interrupt flags.
  • STM32: Shared ADC interrupt.

New device drivers:

Known bugs:

  • lbuild build and lbuild clean do not remove all previously generated files when the configuration changes. See #285.

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2019-08-07: Add APA102 and SK6812 LED drivers

PR #267 -> 72d5ae9.
Tested in hardware by @salkinium.

2019-07-24: Refactor NRF24 radio driver

PR #253 -> 22867e0.
Tested in hardware by @danielk.

2019-07-15: Refactor CMake build script generator

PR #254 -> 00471ca.
Tested in hardware by @salkinium.

2019-07-15: Add TLC594x PWM driver

PR #242 -> b570d07.
Tested in hardware by @linasnikis.

2019-07-11: Add BNO055 IMU driver

PR #191 -> a8edbe8.
Tested in hardware by @salkinium.

2019-07-11: Modularize CMSIS-DSP

Breaking changes: You need to choose the required submodules.

PR #241 -> 022a60a.
Tested in hardware by @salkinium.

2019-07-11: Remove hardcoding of OpenOCD programmer

PR #240 -> afbd533.
Tested in hardware by @salkinium.

2019-07-01: Virtual 2019q2 release

This is a virtual release only for reference that covers everything from 2019-04-01.

Breaking changes:

  • Upgrade to AWS a:FreeRTOS v10 with generic port to all Cortex-M devices.
  • modm::endl does not flush the IOStream anymore.

Features:

  • New printf implementation with better overall syntax support.
  • Simple CRC32 implementation.
  • Cortex-M: CrashCatcher integration for post-mortem debugging of HardFaults.
  • Cortex-M: ITM driver with UART interface.
  • Cortex-M: GNU Build ID integration.

Fixes:

  • AVR: UART driver for some devices.

New development boards:

New device drivers:

Many thanks to all our contributors:

Detailed changelog

2019-06-06: Add NUCLEO-F446RE board and examples

PR #228 -> 9381fd0.
Tested in hardware by @se-bi.

2019-06-06: Add GNU Build ID to firmware

PR #219 -> a607613.
Tested in hardware by @salkinium.

2019-05-26: Add ITM driver

PR #218 -> 47adfd6.
Tested in hardware by @salkinium.

2019-05-14: Integrate CrashCatcher

Removes previous hard fault LED toggling in favor of much better solution.

PR #210 -> 4ab28fe with low impact on STM32 targets.
Tested in hardware by @salkinium.

2019-05-09: Upgrade to AWS a:FreeRTOS v10

Breaking changes: Previous port only worked on STM32F4 with our own patches.

PR #198 -> 66c0868 with high impact on STM32F4 targets.
Tested in hardware by @salkinium.

2019-05-03: Refactor printf implementation

PR #199 -> 4ce1a47 with low impact on all targets.
Tested in hardware by @salkinium.

2019-04-06: Add WS2812 RGB LED driver

PR #190 -> a6b4186.
Tested in hardware by @salkinium.

2020-04-01: Virtual 2019q1 release

This is a virtual release only for reference that covers everything from 2019-01-01.

Breaking changes:

  • All inheritable lbuild board configs are moved from modm:board:* to modm:*.
  • Split modm:platform:core module into modm:platform:cortex-m module.
  • Refactor SysTick and RCC module.

Features:

  • Black Magic Probe upload support.
  • STM32: RCC driver with enable()/disable() functions for clocks.
  • Cortex-M: Add option to link with flash offset for bootloaders.
  • STM32G0 support!

Fixes:

  • HD44780: 4-bit initialization.
  • NUCLEO-F303K8: Fix SystemClock for CAN.

New device drivers:

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2019-02-06: Add MAX7219 LED matrix driver

PR #187 -> 5dd598c.
Tested in hardware by @dergraaf.

2019-03-26: Add MAX7219 LED matrix driver

PR #187 -> 5dd598c.
Tested in hardware by @dergraaf.

2019-03-06: Add STM32G0 support

PR #167 -> 399a533.
Tested in hardware by @salkinium.

2019-03-06: Refactor SysTick and RCC module

Breaking changes:

  • modm:platform:clock.cortex -> modm:platform:systick.
  • Rcc::setFlashLatency(Frequency); -> Rcc::setFlashLatency<Frequency>();.

PR #180 -> c7b35ca with high impact on STM32 targets.
Tested in hardware by @salkinium.

2019-02-28: Add RCC driver

PR #177 -> 4a82a94 with low impact on STM32 targets.
Tested in hardware by @salkinium.

2019-02-28: Move common Cortex-M code into own module

Breaking changes: Some options move to modm:platform:cortex-m module.

PR #176 -> dee5ea2 with high impact on STM32 targets.
Tested in hardware by @salkinium.

2019-02-20: Move lbuild board configs to repo namespace

Breaking changes: Config inheritance renamed from modm:board:* to modm:* .

PR #171 -> 564effa with high impact on all targets.
Tested by @salkinium.

2019-01-04: Add PAT9125EL motion sensor driver

PR #136 -> 4f25cdf.
Tested in hardware by @chris-durand.

2019-01-01: Virtual 2018q4 release

This is a virtual release only for reference that covers everything from 2018-10-01.

No breaking changes.

Features:

  • SCons: Multi-repository build script generation.
  • AVR: Add libstdc++
  • Doxygen: Refactor Doxygen groups to match lbuild structure.
  • STM32F0/F3/F7/L0: Add I2C driver.
  • STM32L4: Add SPI (via USART) driver.
  • STM32F0: Add ADC driver.

Fixes:

  • STM32: Timer dead time register mask.
  • STM32L4: ADC driver fixed for L4x2.

New device drivers:

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2019-11-26: Add PCA9548A I2C multiplex driver

PR #81 -> 77ae899.
Tested in hardware by @strongly-typed.

2019-11-26: Add ADC driver for STM32F0

PR #132 -> af2b352.
Tested in hardware by @cajt.

2019-11-10: Add USART-SPI driver for STM32L4

PR #122 -> 544f6d3.
Tested in hardware by @chris-durand.

2019-11-06: Add I2C driver for STM32F0/F3/F7/L0

PR #118 -> e46e7df.
Tested in hardware by @chris-durand.

2019-10-15: Refactor Doxygen groups to match lbuild structure

PR #102 -> feb1f3c.
Tested by @salkinium.

2019-10-10: Add libstdc++ subset for AVR

PR #82 -> eba68a4.
Tested in hardware by @chris-durand.

2018-10-01: Virtual 2018q3 release

This is a virtual release only for reference that covers everything from 2018-07-01.

Breaking changes:

  • Move build script generator modules from modm:build.* to modm:build:* .
  • Move XPCC generator to own module modm:communication:xpcc:generator.

Features:

  • Generate LED tables via lbuild.
  • STM32F3/L4: Add comparator driver.
  • Enable lbuild module for SAB2.
  • OpenOCD customization via openocd.cfg file.
  • Improved GDB TUI debugging with automatic background OpenOCD start/stop.
  • A new Homepage!
  • A lot of new module documentation.

Fixes:

  • STM32: Compilation of ADC driver.
  • ELF debug section cleanup.

New development boards:

Many thanks to all our contributors. A special shoutout to first timers 🎉:

Detailed changelog

2019-08-08: Move XPCC generator to own module

PR #58 -> cbbf3f6.
Tested by @salkinium.

2019-07-28: Add NUCLEO-F042K6 board

PR #43 -> fd7b7a3.
Tested in hardware by @cajt.

2019-07-17: Add STM32F3/L4 comparator driver.

PR #41 -> 10fdc3f.
Tested in hardware by @rleh.

2018q2 release

The predecessor to modm was xpcc, please check the xpcc changelog for releases up to 2018q2.

During the transition from xpcc to modm from 2016 to 2018 there were many breaking changes with an overview available in the porting guide from xpcc to modm.

Please note that contributions from xpcc were continuously ported to modm.