qe_ep0_stall
qe_ep0_stall(udc);
qe_ep0_stall(udc);
qe_ep0_stall(udc);
qe_ep0_stall(udc);
qe_ep0_stall(udc);
qe_ep0_stall(udc);
qe_ep0_stall(udc);