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bmentink
bmentink
Associate
July 17, 2015
Question

STM32F4 Discovery won't go into DFU bootloader mode

  • July 17, 2015
  • 3 replies
  • 1296 views
Posted on July 18, 2015 at 00:19

Hi All,

I have two discovery boards. When I go into discovery mode (boot0 high, boot1 low)  and then run ''dfu-util -l''  ... with one board I see the devices listed, the other board not .. could this be a faulty board?

The ''good'' board was a fresh one just out of the packet. The one that doesn't work I have used before and was programmed via ST-LINK using openosd, that worked fine.

But this time I want to use DFU and it does not work on that board. Is there a way I could have destroyed the bootloader with ST-LINK?

Thanks, 

#stm32f4-discovery-dfu
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3 replies

Tesla DeLorean
Tesla DeLorean
Guru
July 17, 2015
Posted on July 18, 2015 at 00:54

Is there a way I could have destroyed the bootloader with ST-LINK?

No

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bmentink
bmentinkAuthor
Associate
July 18, 2015
Posted on July 18, 2015 at 22:40

Hi Clive,

So do you know of any reason that board cannot be seen as a DFU device?

I guess it must be faulty ..

Cheers,

Tesla DeLorean
Tesla DeLorean
Guru
July 19, 2015
Posted on July 19, 2015 at 15:23

You'd want to check the supplies and regulators.

Check if the USB connector is viable, try a VCP or MSC example, of the FW Upgrade example if you have the right stubby cable to connect to a USB Flash drive.

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