FS#8961 - Anti-Aliased Fonts.
[kugel-rb.git] / firmware / export / ds2411.h
bloba90afc462cb9cc4eec8c09531489305a22624d83
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2007 by Michael Sevakis
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
22 #ifndef _DS2411_H_
23 #define _DS2411_H_
25 #include <stdbool.h>
28 * Byte 0: 8-bit family code (always 01h)
29 * Bytes 1-6: 48-bit serial number
30 * Byte 7: 8-bit CRC code
32 struct ds2411_id
34 unsigned char family_code;
35 unsigned char uid[6];
36 unsigned char crc;
37 } __attribute__((packed));
39 extern int ds2411_read_id(struct ds2411_id *id);
41 /* return values */
42 enum ds2411_id_return_codes
44 DS2411_NO_PRESENCE = -3,
45 DS2411_INVALID_FAMILY_CODE,
46 DS2411_INVALID_CRC,
47 DS2411_OK = 0,
50 #endif /* _DS2411_H_ */