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STM32F405 No USB VCP generated from CubeMX

Question asked by Kristian G on Oct 15, 2017


I have a board with a Stm32F405, which is connected to my PC via USB.

DFU flashing works well, but I cannot start a VCP Stack.

I generated a project with STM32CubeMX, selected the FS-USB-Device and added CDC as Middleware.

I also updated the clocks, but my PC does not recognise a USB device at all.F405 clocks

What do i have to do, that the freshly generated build is working?