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