2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 #ifndef _AO_HMC5883_H_
19 #define _AO_HMC5883_H_
21 #define HMC5883_ADDR_WRITE 0x3c
22 #define HMC5883_ADDR_READ 0x3d
24 #define HMC5883_CONFIG_A 0
25 #define HMC5883_CONFIG_B 1
26 #define HMC5883_MODE 2
27 #define HMC5883_X_MSB 3
28 #define HMC5883_X_LSB 4
29 #define HMC5883_Y_MSB 5
30 #define HMC5883_Y_LSB 6
31 #define HMC5883_Z_MSB 7
32 #define HMC5883_Z_LSB 8
33 #define HMC5883_STATUS 9
34 #define HMC5883_ID_A 10
35 #define HMC5883_ID_B 11
36 #define HMC5883_ID_C 12
39 ao_hmc5883_init(void);
41 #endif /* _AO_HMC5883_H_ */