UMCT_BULK_DT_RD
[UMCT_BULK_DT_RD] = {
maxp = usbd_xfer_max_framelen(sc->sc_xfer[UMCT_BULK_DT_RD]);
sc->sc_xfer[UMCT_INTR_DT_RD] = sc->sc_xfer[UMCT_BULK_DT_RD];
sc->sc_xfer[UMCT_BULK_DT_RD] = temp;
usbd_transfer_start(sc->sc_xfer[UMCT_BULK_DT_RD]);
usbd_transfer_stop(sc->sc_xfer[UMCT_BULK_DT_RD]);