WI_USB_ENDPT_RX
err = usbd_open_pipe(sc->wi_usb_iface, sc->wi_usb_ed[WI_USB_ENDPT_RX],
USBD_EXCLUSIVE_USE, &sc->wi_usb_ep[WI_USB_ENDPT_RX]);
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_RX],
sc->wi_usb_ep[WI_USB_ENDPT_RX]);
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_RX],
sc->wi_usb_ep[WI_USB_ENDPT_RX]);
sc->wi_usb_ed[WI_USB_ENDPT_RX] = ed->bEndpointAddress;
if (sc->wi_usb_ep[WI_USB_ENDPT_RX] != NULL) {
err = usbd_close_pipe(sc->wi_usb_ep[WI_USB_ENDPT_RX]);
sc->wi_usb_ep[WI_USB_ENDPT_RX] = NULL;