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/*

hmc5883l lib 0x01

copyright (c) Davide Gironi, 2012

Released under GPLv3.

Please refer to LICENSE file for licensing information.

References:

  - HMC5883L Triple Axis Magnetometer Arduino Library

    http://bildr.org/2012/02/hmc5883l_arduino/

*/

#ifndef HMC5883L_H_

#define HMC5883L_H_

//definitions

#define HMC5883L_ADDR (0x1E<<1) //device address

//i2c settings

#define HMC5883L_I2CFLEURYPATH "i2cmaster.h" //define the path to i2c fleury lib

#define HMC5883L_I2CINIT 1 //init i2c

//registers

#define HMC5883L_CONFREGA 0x00

#define HMC5883L_CONFREGB 0x01

#define HMC5883L_MODEREG 0x02

#define HMC5883L_DATAREGBEGIN 0x03

//setup measurement mode

#define HMC5883L_MEASURECONTINOUS 0x00

#define HMC5883L_MEASURESINGLESHOT 0x01

#define HMC5883L_MEASUREIDLE 0x03

#define HMC5883L_MEASUREMODE HMC5883L_MEASURECONTINOUS

//setup scale

#define HMC5883L_SCALE088 1 //0.88

#define HMC5883L_SCALE13 2 //1.3

#define HMC5883L_SCALE19 3 //1.9

#define HMC5883L_SCALE25 4 //2.5

#define HMC5883L_SCALE40 5 //4.0

#define HMC5883L_SCALE47 6 //4.7

#define HMC5883L_SCALE56 7 //5.6

#define HMC5883L_SCALE81 8 //8.1

#define HMC5883L_SCALE HMC5883L_SCALE13

#define HMC5883L_CALIBRATED 1 //enable this if this magn is calibrated

//calibration values

#if HMC5883L_CALIBRATED == 1

#define HMC5883L_OFFSETX -99.7

#define HMC5883L_OFFSETY -154.0

#define HMC5883L_OFFSETZ -22.7

#define HMC5883L_GAINX1 0.952017

#define HMC5883L_GAINX2 0.00195895

#define HMC5883L_GAINX3 0.0139661

#define HMC5883L_GAINY1 0.00195895

#define HMC5883L_GAINY2 0.882824

#define HMC5883L_GAINY3 0.00760243

#define HMC5883L_GAINZ1 0.0139661

#define HMC5883L_GAINZ2 0.00760243

#define HMC5883L_GAINZ3 0.995365

#endif

//functions

extern void hmc5883l_init();

extern void hmc5883l_getrawdata(int16_t *mxraw, int16_t *myraw, int16_t *mzraw);

extern void hmc5883l_getdata(double *mx, double *my, double *mz);

#endif