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@salkinium salkinium released this 01 Apr 20:11
· 896 commits to develop since this release
2021q1
057ce23

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:

  • NUCLEO-F439ZI as modm:board:nucleo-f439zi.
  • NUCLEO-F446ZE as modm:board:nucleo-f446ze.
  • NUCLEO-F767ZI as modm:board:nucleo-f767zi.
  • NUCLEO-L452RE as modm:board:nucleo-l452re.

New device drivers:

  • MMC5603 compass as modm:driver:mmc5603.
  • LAN8720a ethernet transceiver as modm:driver:lan8720a.
  • STUSB4500 USB-PD controller as modm:driver:stusb4500.
  • Bit-banged encoder input as modm:driver:encoder_input.bitbang.
  • Touch2046/TSC2046 touchscreen controller as modm:driver:touch2046.

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.

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