MicroPython MCUDev DevEBox STM32H743

MicroPython board support for MCUDev DevEBox STM32H743.

Features

This firmware enables these features by default:

• 8MB exFAT filesystem on W25Q64JV, Quad SPI.

• MicroPython REPL via USB CDC.

• UART:

  • UART1: TX/RX on PA9/PA10.
  • UART2: TX/RX on PA2/PA3.

• I2C:

  • I2C2: SCL/SDA on PB10/PB11.

• SPI:

  • SPI1: NSS/SCK/MISO/MOSI on PA4/PA5/PA6/PA7.
  • SPI2: NSS/SCK/MISO/MOSI on PB12/PB13/PB14/PB15.

• CAN:

  • CAN1: TX/RX on PB9/PB8.

• LED: You can control D2 using pyb.LED(1).

• SD Card.

• USB Mass Storage.

Build

Tested on Ubuntu 22.04.

1. Install dependencies:

   sudo apt update
   sudo apt install -y build-essential git libffi-dev pkg-config gcc-arm-none-eabi binutils-arm-none-eabi libnewlib-arm-none-eabi python3

2. Clone MicroPython and this repository:

   git clone https://github.com/micropython/micropython.git
   git clone https://github.com/Mythologyli/MicroPython-MCUDev-DevEBox-STM32H743.git

3. Copy MCUDEV_DEVEBOX_H743 to micropython/ports/stm32/boards:

   cp -r MicroPython-MCUDev-DevEBox-STM32H743/MCUDEV_DEVEBOX_H743 micropython/ports/stm32/boards

4. Build:

   cd micropython/ports/stm32
   make submodules
   make BOARD=MCUDEV_DEVEBOX_H743

Flash

1. Disconnect USB, connect BT0 to 3V3, then connect USB.

2. Install python3-usb:

   sudo apt install -y python3-usb

3. Flash:

   make BOARD=MCUDEV_DEVEBOX_H743 deploy

You can use STM32CubeProgrammer in Microsoft Windows. The firmware can be found in micropython/ports/stm32/build-MCUDEV_DEVEBOX_H743.

Board

More information: STM32H743VIT6-STM32H7XX-M.

Reference

• mcauser/MCUDEV_DEVEBOX_H7XX_M
• micropython