Root/drivers/staging/line6/midibuf.h

1/*
2 * Line6 Linux USB driver - 0.9.1beta
3 *
4 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 *
10 */
11
12#ifndef MIDIBUF_H
13#define MIDIBUF_H
14
15struct MidiBuffer {
16    unsigned char *buf;
17    int size;
18    int split;
19    int pos_read, pos_write;
20    int full;
21    int command_prev;
22};
23
24extern int line6_midibuf_bytes_used(struct MidiBuffer *mb);
25extern int line6_midibuf_bytes_free(struct MidiBuffer *mb);
26extern void line6_midibuf_destroy(struct MidiBuffer *mb);
27extern int line6_midibuf_ignore(struct MidiBuffer *mb, int length);
28extern int line6_midibuf_init(struct MidiBuffer *mb, int size, int split);
29extern int line6_midibuf_read(struct MidiBuffer *mb, unsigned char *data,
30                  int length);
31extern void line6_midibuf_reset(struct MidiBuffer *mb);
32extern int line6_midibuf_skip_message(struct MidiBuffer *mb,
33                      unsigned short mask);
34extern void line6_midibuf_status(struct MidiBuffer *mb);
35extern int line6_midibuf_write(struct MidiBuffer *mb, unsigned char *data,
36                   int length);
37
38#endif
39

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