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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _AO_HMC5883_H_
#define _AO_HMC5883_H_
#define HMC5883_ADDR_WRITE 0x3c
#define HMC5883_ADDR_READ 0x3d
#define HMC5883_CONFIG_A 0
#define HMC5883_CONFIG_A_MA 5
#define HMC5883_CONFIG_A_MA_1 0
#define HMC5883_CONFIG_A_MA_2 1
#define HMC5883_CONFIG_A_MA_4 2
#define HMC5883_CONFIG_A_MA_8 3
#define HMC5883_CONFIG_A_MA_MASK 3
#define HMC5883_CONFIG_A_DO 2
#define HMC5883_CONFIG_A_DO_0_75 0
#define HMC5883_CONFIG_A_DO_1_5 1
#define HMC5883_CONFIG_A_DO_3 2
#define HMC5883_CONFIG_A_DO_7_5 3
#define HMC5883_CONFIG_A_DO_15 4
#define HMC5883_CONFIG_A_DO_30 5
#define HMC5883_CONFIG_A_DO_75 6
#define HMC5883_CONFIG_A_DO_MASK 7
#define HMC5883_CONFIG_A_MS 0
#define HMC5883_CONFIG_A_MS_NORMAL 0
#define HMC5883_CONFIG_A_MS_POSITIVE_BIAS 1
#define HMC5883_CONFIG_A_MS_NEGATIVE_BIAS 2
#define HMC5883_CONFIG_A_MS_MASK 3
#define HMC5883_CONFIG_B 1
#define HMC5883_CONFIG_B_GN 5
#define HMC5883_CONFIG_B_GN_0_88 0
#define HMC5883_CONFIG_B_GN_1_3 1
#define HMC5883_CONFIG_B_GN_1_9 2
#define HMC5883_CONFIG_B_GN_2_5 3
#define HMC5883_CONFIG_B_GN_4_0 4
#define HMC5883_CONFIG_B_GN_4_7 5
#define HMC5883_CONFIG_B_GN_5_6 6
#define HMC5883_CONFIG_B_GN_8_1 7
#define HMC5883_CONFIG_B_GN_MASK 7
#define HMC5883_MODE 2
#define HMC5883_MODE_CONTINUOUS 0
#define HMC5883_MODE_SINGLE 1
#define HMC5883_MODE_IDLE 2
#define HMC5883_X_MSB 3
#define HMC5883_X_LSB 4
#define HMC5883_Y_MSB 5
#define HMC5883_Y_LSB 6
#define HMC5883_Z_MSB 7
#define HMC5883_Z_LSB 8
#define HMC5883_STATUS 9
#define HMC5883_ID_A 10
#define HMC5883_ID_B 11
#define HMC5883_ID_C 12
struct ao_hmc5883_sample {
int16_t x, y, z;
};
extern struct ao_hmc5883_sample ao_hmc5883_current;
void
ao_hmc5883_init(void);
#endif /* _AO_HMC5883_H_ */
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