Posted on October 29, 2012 at 01:55Hello, I am trying to add VCP on STM32F4Discovery but have some issues which I am not able to figure out. When I add this command USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_CDC_cb, &USR_cb); in ...