frame_get_info
if (!(frame_get_info(frame) & NO_CRC))
if ((frame_get_info(frame) & (ZLP | NO_REQ)) == (ZLP | NO_REQ)) {
if (frame_get_info(ep->txframe) & PID_DATA0)
if (frame_get_info(ep->txframe) & PID_DATA0)
if (frame_get_info(pframe) & PID_DATA1)
if ((frame_get_info(pframe) & PID_SETUP)
if (frame_get_info(pframe) & PID_DATA1)