SERVICE_GET_END
lvcc->tx.endptr = SERVICE_GET_END(s);
vcc_rx_aal5(lvcc, SERVICE_GET_END(s));
bytes = (SERVICE_GET_END(s) * 16) -
lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4];
cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr);