MiniSTM32F103ZE

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Introduction

This page is about a development board named "CZ miniSTM32F103ZE-EK" found on Aliexpress.

Flashing the bootloader

To make it easy to upload software over USB, I recommend you install the stm32duino bootloader.

You need the stm32flash utility and a bootloader file for use with PE2.

Steps to flash the bootloader:

  • wire a USB-serial converter to the board:
 serial GND -> board GND
 serial +5V -> board 5V
 serial RXD -> board A9
 serial TXD -> board A10
  • put jumper BOOT0 in position 1 (to 3.3V)
  • put jumper BOOT1 in position 0 (to GND)
  • reset or power-cycle the board
  • flash the bootloader using stm32flash:
 ./stm32flash -w ../../../../STM32duino-bootloader/binaries/generic_boot20_pe2.bin -v -g 0x0 /dev/ttyUSB0
  • power down the board, put BOOT0 jumper back in position 0 (to GND)

If you now reset the board (e.g. press the reset button), you should be able to see the green LED flash.

You can now upload programs using the 'dfu' method.

Software

Software can be found on github.

platformio

The archive contains a platformio configuration.

To compile:

 pio run

To upload:

 pio run -t upload

To run:

 pio device monitor