1 /* 2 * Line 6 Linux USB driver 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 15 struct midi_buffer { 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 24 extern int line6_midibuf_bytes_used(struct midi_buffer *mb); 25 extern int line6_midibuf_bytes_free(struct midi_buffer *mb); 26 extern void line6_midibuf_destroy(struct midi_buffer *mb); 27 extern int line6_midibuf_ignore(struct midi_buffer *mb, int length); 28 extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split); 29 extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data, 30 int length); 31 extern void line6_midibuf_reset(struct midi_buffer *mb); 32 extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data, 33 int length); 34 35 #endif 36