STM32 DFU Bootloader Deleted

brilloeugene · ‎2015-10-21

Posted on October 21, 2015 at 10:25

Hello. I'm using an STBee evaluation board that has STM32103VE.

I accidentally overwritten the bootloader using the ULINK2 debugger using Keil.

I thought there should be no problem since I have the DFU hex file but after downloading it, I can only enter DFU mode when the ULINK debugger is connected as well.

Do you have any suggestions on how to return this to normal?

Thank you.

#stm32

Tesla DeLorean · ‎2015-10-21

Posted on October 21, 2015 at 17:48

Do you have any suggestions on how to return this to normal?

There's no magic bullet here, you're going to have to find what was originally on the board, and put that image back on it.

Make sure you set the BOOT0 pin properly so it executes the code in FLASH

Seek support from the board vendor.

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