Experimental core for Arduino STM32 using HAL files generated by the STM Cube MX - sheepdoll/HALMX_Arduino_STM32 ...

STM32 core support for Arduino. Contribute to stm32duino/Arduino_Core_STM32 development by creating an account on GitHub.

The STM32 flash memory HAL coding is not so complicated although you need to follow a set of right steps on the way. Here's what to do.