Commands: 0x01=Get size, 0x02=Read block, 0x03=Erase, 0x04=Write block, 0xF0=Run bootloader, 0xF1=Run app
Note: Ensure the STM32 firmware is compiled with EXAMPLE_04_FLASH_TO_FROM_FILE defined in examples.h before using this HTML interface.
Reads and writes are performed on REGION_APPLICATION.