C++ (Cpp) usbi_signal_transfer_completion示例

示例#1

文件： sunos_usb.c 项目： IoTToolchain/libusb

static void
sunos_async_callback(union sigval arg)
{
	struct sunos_transfer_priv *tpriv =
	    (struct sunos_transfer_priv *)arg.sival_ptr;
	struct libusb_transfer *xfer = tpriv->transfer;
	struct aiocb *aiocb = &tpriv->aiocb;
	int ret;
	sunos_dev_handle_priv_t *hpriv;
	uint8_t ep;

	hpriv = (sunos_dev_handle_priv_t *)xfer->dev_handle->os_priv;
	ep = sunos_usb_ep_index(xfer->endpoint);

	ret = aio_error(aiocb);
	if (ret != 0) {
		xfer->status = sunos_usb_get_status(hpriv->eps[ep].statfd);
	} else {
		xfer->actual_length =
		    LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer)->transferred =
		    aio_return(aiocb);
	}

	usb_dump_data(xfer->buffer, xfer->actual_length);

	usbi_dbg("ret=%d, len=%d, actual_len=%d", ret, xfer->length,
	    xfer->actual_length);

	/* async notification */
	usbi_signal_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer));
}

示例#2

文件： netbsd_usb.c 项目： 01org/CODK-A-Flashpack

int
netbsd_submit_transfer(struct usbi_transfer *itransfer)
{
	struct libusb_transfer *transfer;
	struct handle_priv *hpriv;
	int err = 0;

	usbi_dbg("");

	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
	hpriv = (struct handle_priv *)transfer->dev_handle->os_priv;

	switch (transfer->type) {
	case LIBUSB_TRANSFER_TYPE_CONTROL:
		err = _sync_control_transfer(itransfer);
		break;
	case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
		if (IS_XFEROUT(transfer)) {
			/* Isochronous write is not supported */
			err = LIBUSB_ERROR_NOT_SUPPORTED;
			break;
		}
		err = _sync_gen_transfer(itransfer);
		break;
	case LIBUSB_TRANSFER_TYPE_BULK:
	case LIBUSB_TRANSFER_TYPE_INTERRUPT:
		if (IS_XFEROUT(transfer) &&
		    transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) {
			err = LIBUSB_ERROR_NOT_SUPPORTED;
			break;
		}
		err = _sync_gen_transfer(itransfer);
		break;
	case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
		err = LIBUSB_ERROR_NOT_SUPPORTED;
		break;
	}

	if (err)
		return (err);

	usbi_signal_transfer_completion(itransfer);

	return (LIBUSB_SUCCESS);
}