Universal USB device library Features: USB device class support: Supports USB cdc class MCU support Driver file name Driver Status Tested on Example projects STM32F2 usb_device_stm32f Unfinished STM32F3 Not started STM32F4 usb_device_stm32f Unfinished STM32F7 usb_device_stm32f Unfinished STM32H7 Not started STM32U5 Not started STM32H5 usb_device_drd Ready STM32H503 cdc STM32G4 usb_device_g4 Ready STM32G431 cdc CH32X035 usb_device_ch32x035 Ready CH32X035 cdc CH32V203 Not started CH32V307 Not started AT32F403A usb_device_at32f4 Ready AT32F403a cdc GD32F303 Not started MCXN236VDF Not started XMC4700 Not started