STM32Uploader

The bootloader on most STM32 microcontrollers supports UART protocol to download code into the internal flash memory through the interface. STM32Uploader is a simple python program to communicate with STM32 bootloader via the UART peripheral.

Usage

Get usage information

python3 serialScript.py -h

Example

Get part ID

python3 serialScript.py -d /dev/ttyUSB0 -i

Get a list of supported commands

python3 serialScript.py -d /dev/ttyUSB0 -c

Extended Erase (Mass Erase)

python3 serialScript.py -d /dev/ttyUSB0 -x 0xFFFF

Erase Pages (Mass Erase)

python3 serialScript.py -d /dev/ttyUSB0 -e 255 0

Write binary file

python3 serialScript.py -d /dev/ttyUSB0 -f ./bins/stm32f072b/blinky.bin 8000000

Start Execution

python3 serialScript.py -d /dev/ttyUSB0 -g 8000000

Flash procedure

Bring chip into bootloader

by BOOT1=0, BOOT0=1 while power up/reset

Erase flash

python3 serialScript.py -d /dev/ttyUSB0 -x 0xFFFF

Bring chip into bootloader again

by BOOT1=0, BOOT0=1 while power up/reset

Program flash by binary file

python3 serialScript.py -d /dev/ttyUSB0 -f ./bins/stm32f072b/blinky.bin 8000000

reboot the board to run