qmk / qmk_firmware

Open-source keyboard firmware for Atmel AVR and Arm USB families
https://qmk.fm
GNU General Public License v2.0
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Unrecognized after re-plugging, thick line unknown USB device (device descriptor request failed) #24278

Closed jeromeli002 closed 1 month ago

jeromeli002 commented 1 month ago

Issue Description

STM32F103C8T6 can be recognized normally after flashing the firmware for the first time, but cannot be recognized after re-plugging and plugging. Thick line unknown USB device (device descriptor request failed). What is the problem? Is the hardware or firmware wrong?

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fauxpark commented 1 month ago

Please use Discord for questions like these. https://discord.gg/qmk