Ejemplos de send_midi_async en C++ (Cpp)

Ejemplo n.º 1

Archivo: midi.c Proyecto: AdrianHuang/linux-3.8.13

/*
	Read data from MIDI buffer and transmit them via USB.
*/
static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
{
	struct usb_line6 *line6 =
	    line6_rawmidi_substream_midi(substream)->line6;
	struct snd_line6_midi *line6midi = line6->line6midi;
	struct MidiBuffer *mb = &line6midi->midibuf_out;
	unsigned long flags;
	unsigned char chunk[line6->max_packet_size];
	int req, done;

	spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags);

	for (;;) {
		req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size);
		done = snd_rawmidi_transmit_peek(substream, chunk, req);

		if (done == 0)
			break;

		line6_midibuf_write(mb, chunk, done);
		snd_rawmidi_transmit_ack(substream, done);
	}

	for (;;) {
		done = line6_midibuf_read(mb, chunk, line6->max_packet_size);

		if (done == 0)
			break;

		send_midi_async(line6, chunk, done);
	}

	spin_unlock_irqrestore(&line6->line6midi->midi_transmit_lock, flags);
}

Ejemplo n.º 2

Archivo: midi.c Proyecto: 020gzh/linux

/*
	Read data from MIDI buffer and transmit them via USB.
*/
static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
{
	struct usb_line6 *line6 =
	    line6_rawmidi_substream_midi(substream)->line6;
	struct snd_line6_midi *line6midi = line6->line6midi;
	struct midi_buffer *mb = &line6midi->midibuf_out;
	unsigned char chunk[LINE6_FALLBACK_MAXPACKETSIZE];
	int req, done;

	for (;;) {
		req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size);
		done = snd_rawmidi_transmit_peek(substream, chunk, req);

		if (done == 0)
			break;

		line6_midibuf_write(mb, chunk, done);
		snd_rawmidi_transmit_ack(substream, done);
	}

	for (;;) {
		done = line6_midibuf_read(mb, chunk,
					  LINE6_FALLBACK_MAXPACKETSIZE);

		if (done == 0)
			break;

		send_midi_async(line6, chunk, done);
	}
}

Ejemplo n.º 3

Archivo: midi.c Proyecto: CSCLOG/beaglebone

/*
	Read data from MIDI buffer and transmit them via USB.
*/
static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
{
	struct usb_line6 *line6 =
	    line6_rawmidi_substream_midi(substream)->line6;
	struct snd_line6_midi *line6midi = line6->line6midi;
	struct MidiBuffer *mb = &line6midi->midibuf_out;
	unsigned long flags;
	unsigned char chunk[line6->max_packet_size];
	int req, done;

	spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags);

	for (;;) {
		req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size);
		done = snd_rawmidi_transmit_peek(substream, chunk, req);

		if (done == 0)
			break;

#ifdef CONFIG_LINE6_USB_DUMP_MIDI
		line6_write_hexdump(line6, 's', chunk, done);
#endif
		line6_midibuf_write(mb, chunk, done);
		snd_rawmidi_transmit_ack(substream, done);
	}

	for (;;) {
		done = line6_midibuf_read(mb, chunk, line6->max_packet_size);

		if (done == 0)
			break;

		if (line6_midibuf_skip_message
		    (mb, line6midi->midi_mask_transmit))
			continue;

		send_midi_async(line6, chunk, done);
	}

	spin_unlock_irqrestore(&line6->line6midi->midi_transmit_lock, flags);
}