in_intr
static int in_intr = 0;
if (in_intr == 1)
in_intr = 0;
in_intr = 0;
in_intr = 0;
USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, in_intr);
static void in_intr(struct usbd_xfer *, void *, usbd_status);