1/* 2 * Line6 Linux USB driver - 0.8.0 3 * 4 * Copyright (C) 2004-2009 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 15 16struct MidiBuffer { 17 unsigned char *buf; 18 int size; 19 int split; 20 int pos_read, pos_write; 21 int full; 22 int command_prev; 23}; 24 25 26extern int midibuf_bytes_used(struct MidiBuffer *mb); 27extern int midibuf_bytes_free(struct MidiBuffer *mb); 28extern void midibuf_destroy(struct MidiBuffer *mb); 29extern int midibuf_ignore(struct MidiBuffer *mb, int length); 30extern int midibuf_init(struct MidiBuffer *mb, int size, int split); 31extern int midibuf_read(struct MidiBuffer *mb, unsigned char *data, int length); 32extern void midibuf_reset(struct MidiBuffer *mb); 33extern int midibuf_skip_message(struct MidiBuffer *mb, unsigned short mask); 34extern void midibuf_status(struct MidiBuffer *mb); 35extern int midibuf_write(struct MidiBuffer *mb, unsigned char *data, 36 int length); 37 38 39#endif 40