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README.md

stm32flash

stm32flash (https://sourceforge.net/projects/stm32flash/) with some fixes, including:

  • support for manually erasing more than 255 flash pages
  • support for writing/reading EEPROM on STM32L0 and STM32L1
  • support for erasing necessary flash pages only with -E option

To program flash memory: stm32flash -b 230400 -E -w file.hex COMxx

To program EEPROM memory: stm32flash -b 230400 -S 0x08080000 -w file.bin COMxx

P.S. Default UART baud rate is 115200 bps. Speeds up to 921600 bps were tested with CP2102 based USB-UART adapter. Even higher 3000000 bps speed should be possible with FT232R, althought it is not guaranteed by AN3155 that speed over 115200 bps will work.