Exemplos de snd_usb_caiaq_input_dispatch em C++ (Cpp)

Exemplo n.º 1

static void usb_ep1_command_reply_dispatch (struct urb* urb)
{
	int ret;
	struct device *dev = &urb->dev->dev;
	struct snd_usb_caiaqdev *cdev = urb->context;
	unsigned char *buf = urb->transfer_buffer;

	if (urb->status || !cdev) {
		dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
		return;
	}

	switch(buf[0]) {
	case EP1_CMD_GET_DEVICE_INFO:
	 	memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
		cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
		dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
			"MIDI: %d in, %d out, data alignment %d\n",
			cdev->spec.fw_version,
			cdev->spec.num_analog_audio_in,
			cdev->spec.num_analog_audio_out,
			cdev->spec.num_midi_in,
			cdev->spec.num_midi_out,
			cdev->spec.data_alignment);

		cdev->spec_received++;
		wake_up(&cdev->ep1_wait_queue);
		break;
	case EP1_CMD_AUDIO_PARAMS:
		cdev->audio_parm_answer = buf[1];
		wake_up(&cdev->ep1_wait_queue);
		break;
	case EP1_CMD_MIDI_READ:
		snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
		break;
	case EP1_CMD_READ_IO:
		if (cdev->chip.usb_id ==
			USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
			if (urb->actual_length > sizeof(cdev->control_state))
				urb->actual_length = sizeof(cdev->control_state);
			memcpy(cdev->control_state, buf + 1, urb->actual_length);
			wake_up(&cdev->ep1_wait_queue);
			break;
		}
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	case EP1_CMD_READ_ERP:
	case EP1_CMD_READ_ANALOG:
		snd_usb_caiaq_input_dispatch(cdev, buf, urb->actual_length);
#endif
		break;
	}

	cdev->ep1_in_urb.actual_length = 0;
	ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
	if (ret < 0)
		dev_err(dev, "unable to submit urb. OOM!?\n");
}

Exemplo n.º 2

Arquivo: caiaq-device.c Projeto: acassis/emlinux-ssd1935

static void usb_ep1_command_reply_dispatch (struct urb* urb)
{
	int ret;
	struct snd_usb_caiaqdev *dev = urb->context;
	unsigned char *buf = urb->transfer_buffer;

	if (urb->status || !dev) {
		log("received EP1 urb->status = %i\n", urb->status);
		return;
	}

	switch(buf[0]) {
	case EP1_CMD_GET_DEVICE_INFO:
	 	memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
		dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
		debug("device spec (firmware %d): audio: %d in, %d out, "
			"MIDI: %d in, %d out, data alignment %d\n",
			dev->spec.fw_version,
			dev->spec.num_analog_audio_in,
			dev->spec.num_analog_audio_out,
			dev->spec.num_midi_in,
			dev->spec.num_midi_out,
			dev->spec.data_alignment);

		dev->spec_received++;
		wake_up(&dev->ep1_wait_queue);
		break;
	case EP1_CMD_AUDIO_PARAMS:
		dev->audio_parm_answer = buf[1];
		wake_up(&dev->ep1_wait_queue);
		break;
	case EP1_CMD_MIDI_READ:
		snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
		break;

#ifdef CONFIG_SND_USB_CAIAQ_INPUT
	case EP1_CMD_READ_ERP:
	case EP1_CMD_READ_ANALOG:
	case EP1_CMD_READ_IO:
		snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
		break;
#endif
	}

	dev->ep1_in_urb.actual_length = 0;
	ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
	if (ret < 0)
		log("unable to submit urb. OOM!?\n");
}