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STM32L Program flash using bootloader over SPI

Question asked by Danny on Nov 11, 2015
Latest reply on Nov 15, 2015 by Danny
I'm trying to understand which file I should write to flash using the STM32L bootloader. For instance, if I write the whole *.hex file to flash at the correct start memory address will the application load? Why not? Or do I have to program a certain portion of a *.hex file to flash? Would it be better to use another file type like *.elf, *.axf, *.bin?

The bootloader documentation is linked below:

Thank you!