USB_EVENT_DEVICE_DETACH
case USB_EVENT_DEVICE_DETACH:
#define USB_EVENT_IS_DETACH(n) ((n) == USB_EVENT_CTRLR_DETACH || (n) == USB_EVENT_DEVICE_DETACH || (n) == USB_EVENT_DRIVER_DETACH)
usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev);