ADMHCD_TD_R
short_ok = xfer->ux_flags & USBD_SHORT_XFER_OK?ADMHCD_TD_R:0;
td1->control= (isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | ADMHCD_TD_DATA1 | ADMHCD_TD_R | ADMHCD_TD_OWN;