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stm32/README.md: Update supported MCUs, and submodule and mboot use.

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Also mention mpremote as a way to access the REPL.

Signed-off-by: Damien George <damien@micropython.org>
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Damien George 2021-07-31 15:09:16 +10:00
parent 60e3e51753
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ports/stm32/README.md
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@ -2,11 +2,13 @@ MicroPython port to STM32 MCUs
==============================
This directory contains the port of MicroPython to ST's line of STM32
microcontrollers. Supported MCU series are: STM32F0, STM32F4, STM32F7 and
STM32L4. Parts of the code here utilise the STM32Cube HAL library.
microcontrollers. Supported MCU series are: STM32F0, STM32F4, STM32F7,
STM32H7, STM32L0, STM32L4 and STM32WB. Parts of the code here utilise the
STM32Cube HAL library.
The officially supported boards are the line of pyboards: PYBv1.0 and PYBv1.1
(both with STM32F405), and PYBLITEv1.0 (with STM32F411). See
(both with STM32F405), PYBLITEv1.0 (with STM32F411) and PYBD-SFx (with
STM32F7xx MCUs). See
[micropython.org/pyboard](http://www.micropython.org/pyboard/) for further
details.
@ -40,18 +42,31 @@ see [here](https://launchpad.net/gcc-arm-embedded) for the main GCC ARM
Embedded page. The compiler can be changed using the `CROSS_COMPILE` variable
when invoking `make`.
First the submodules must be obtained using:
Next, the board to build must be selected. The default board is PYBV10 but any
of the names of the subdirectories in the `boards/` directory is a valid board.
The board name must be passed as the argument to `BOARD=` when invoking `make`.
$ make submodules
All boards require certain submodules to be obtained before they can be built.
The correct set of submodules can be initialised using (with `PYBV11` as an
example of the selected board):
Then to build for a given board, run:
$ make BOARD=PYBV11 submodules
Then to build the board's firmware run:
$ make BOARD=PYBV11
The default board is PYBV10 but any of the names of the subdirectories in the
`boards/` directory can be passed as the argument to `BOARD=`. The above command
should produce binary images in the `build-PYBV11/` subdirectory (or the
equivalent directory for the board specified).
The above command should produce binary images in the `build-PYBV11/`
subdirectory (or the equivalent directory for the board specified).
Note that some boards require the mboot bootloader to be built and deployed
before flashing the main firmware. For such boards an information message
about this will be printed at the end of the main firmware build. Mboot
can be built via:
$ make -C mboot BOARD=STM32F769DISC
For more information about mboot see mboot/README.md.
### Flashing the Firmware using DFU mode
@ -140,6 +155,11 @@ Accessing the board
-------------------
Once built and deployed, access the MicroPython REPL (the Python prompt) via USB
serial or UART, depending on the board. For the pyboard you can try:
serial or UART, depending on the board. There are many ways to do this, one of
which is via `mpremote` (install it using `pip install mpremote`):
$ mpremote
Other options are `picocom` and `screen`, for example:
$ picocom /dev/ttyACM0