HCINTMSK_STALL
hcintmsk |= HCINTMSK_STALL;
hcintmsk |= HCINTMSK_STALL;
disable_hc_int(hsotg, chnum, HCINTMSK_STALL);
} else if (chan->hcint & HCINTMSK_STALL) {
if (hcint & HCINTMSK_STALL) {