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Flashing uf2 file created with command line #17

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lenschcode opened this issue Feb 8, 2022 · 1 comment

lenschcode commented Feb 8, 2022

Flashing a uf2 firmware with only the -bl uf2 flag in the command line causes the bootloader to overwrite itself.

Steps to reproduce:

firmware with BOOTLOADER = stm32-dfu in rules.mk
compile firmware with flag -bl uf2
flash that uf2 file

That makes the blackpill unresponsive to any actions and reset.

Fix: Reflash the uf2 converter binary with dfu-util and change the rules.mk to BOOTLOADER = tinyuf2

Suggestion: Specify that only changing the flag when compiling will not work and setting BOOTLOADER to tinyuf2 is necessary.

The text was updated successfully, but these errors were encountered:

Collaborator

KarlK90 commented Apr 1, 2022

Thanks for reporting, with qmk/qmk_firmware#16525 being merged this should no longer happen!

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