C++ (Cpp) usbd_do_request_asyncの例

コード例 #1

void
ueagle_request(struct ueagle_softc *sc, uint16_t val, uint16_t index,
    void *data, int len)
{
	usb_device_request_t req;
	usbd_status error;

	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
	req.bRequest = UEAGLE_REQUEST;
	USETW(req.wValue, val);
	USETW(req.wIndex, index);
	USETW(req.wLength, len);

	error = usbd_do_request_async(sc->sc_udev, &req, data);
	if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS)
		printf("%s: could not send request\n", sc->sc_dev.dv_xname);
}

コード例 #2

ファイル: usbdi_util.c プロジェクト: 7shi/openbsd-loongson-vc

usbd_status
usbd_set_report_async(usbd_interface_handle iface, int type, int id,
    void *data, int len)
{
	usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
	usbd_device_handle dev;
	usb_device_request_t req;

	DPRINTFN(4, ("usbd_set_report_async: len=%d\n", len));
	if (ifd == NULL)
		return (USBD_IOERROR);
	usbd_interface2device_handle(iface, &dev);
	req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
	req.bRequest = UR_SET_REPORT;
	USETW2(req.wValue, type, id);
	USETW(req.wIndex, ifd->bInterfaceNumber);
	USETW(req.wLength, len);
	return (usbd_do_request_async(dev, &req, data));
}