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circuitpython/ports/stm32/boards/deploy.md
Jim Mussared e359b077dd ports: Add board.json for all boards. 
This will be used by https://micropython.org/download/ to generate the
full listing of boards and firmware files.

Optionally supports a board.md for additional customisation of the
download page, as well as deploy.md for flashing instructions.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-10-27 14:04:53 +11:00

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STM32 via ST-Link

Nucleo and Discovery boards typically include a built-in ST-Link programmer.

A .bin or .hex file can be flashed using st-flash.

# Optional erase to clear existing filesystem.
st-flash erase

# Flash .bin
st-flash write firmware.bin 0x08000000
# or, flash .hex
st-flash --format ihex write firmware.hex

A .hex file can be flashed using STM32 Cube Programmer.

STM32_Programmer.sh -c port=SWD -d firmware.hex -hardRst

STM32 via DFU

Boards with USB support can also be programmed via the ST DFU bootloader, using e.g. dfu-util or pydfu.py.

To enter the bootloader the BOOT0 pin can be connected to VCC during reset, or you can use machine.bootloader() from the MicroPython REPL.

dfu-util --alt 0 -D firmware.dfu