35 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Line 6 Linux USB driver4 *5 * Copyright (C) 2004-2010 Markus Grabner (line6@grabner-graz.at)6 */7 8#ifndef MIDIBUF_H9#define MIDIBUF_H10 11#define LINE6_MIDIBUF_READ_TX 012#define LINE6_MIDIBUF_READ_RX 113 14struct midi_buffer {15 unsigned char *buf;16 int size;17 int split;18 int pos_read, pos_write;19 int full;20 int command_prev;21};22 23extern int line6_midibuf_bytes_used(struct midi_buffer *mb);24extern int line6_midibuf_bytes_free(struct midi_buffer *mb);25extern void line6_midibuf_destroy(struct midi_buffer *mb);26extern int line6_midibuf_ignore(struct midi_buffer *mb, int length);27extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split);28extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data,29 int length, int read_type);30extern void line6_midibuf_reset(struct midi_buffer *mb);31extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data,32 int length);33 34#endif35