STM32 programming

Boot mode configuration

BOOT0 BOOT1 Boot mode                              Address
  x     0   Main Flash memory                      0x8000000
  0     1   System memory (built-in bootloader)    0x1FFFB000
  1     1   Embedded SRAM                          0x20000000

  in Main flash memory and System memory boot modes address is aliased to 0x0

Legend

o o o BOOT1
o o o BOOT0
---

Boot to bootloader

Boot to main flash

Flashing

Flashing is done via USART1 (A9 TX A10 RX)

Converting Elf to Bin

Required if you only have elf files produced by your toolchain - stm32flash accepts only *.bin files.

arm-none-eabi-objcopy -O binary miniblink.elf miniblink.bin

Using stm32flash

Test connection with

stm32flash /dev/ttyUSB0

Flash and run from 0x0

stm32flash /dev/ttyUSB0 -w miniblink.bin -g 0x0

Pinout