Associate III

Question

STM32 USB

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Hello,

I can't get a USB connection with my stm32 cards, I tried several cards: Bluepill, Blackpill,
STM32F429ZI-DISCO, NUCLEO-F767ZI.

I still have the same problem "USN NOT RECOGNIZED",
do I need to install a driver ?

how can I solve the problem ?

Best regards.

Sébastien.

STM32Cube MCUs packages

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Super User

You're going to need to give more details of what, exactly, you tried - both hardware and software; Host & Device.

See: How to write your question to maximize your chances to find a solution.

See also:

https://community.st.com/t5/forums/searchpage/tab/message?advanced=false&allow_punctuation=false&filter=includeTkbs&include_tkbs=true&q=usb

https://wiki.st.com/stm32mcu/wiki/Introduction_to_USB_with_STM32

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

Can you get known good USB examples working? Here is one of many:

STM32CubeF7/Projects/STM32F767ZI-Nucleo/Applications/USB_Device/HID_Standalone at master · STMicroelectronics/STM32CubeF7

"If you feel a post has answered your question, please click ""Accept as Solution""."