File content as of revision 10:989e5dbd12ee:

#ifndef FXOS8700CQ_H
#define FXOS8700CQ_H

#include "mbed.h"
#include "math.h"

// mbed API uses 8-bit addresses so need to left-shift 7-bit addresses by 1
#define FXOS8700CQ_ADDR   (0x1D << 1)    // for K64F board
// values from 13.2 datasheet
#define FXOS8700CQ_STATUS 0x00
#define FXOS8700CQ_WHO_AM_I 0x0D
#define FXOS8700CQ_XYZ_DATA_CFG 0x0E
#define FXOS8700CQ_CTRL_REG1 0x2A
#define FXOS8700CQ_M_CTRL_REG1 0x5B
#define FXOS8700CQ_M_CTRL_REG2 0x5C
#define FXOS8700CQ_WHO_AM_I_VAL 0xC7
#define FXOS8700CQ_READ_LEN 13

#define PI 3.14159265359f
#define RAD2DEG 57.2957795131f


struct Data {
    float ax;
    float ay;
    float az;
    float mx;
    float my;
    float mz;
};

class FXOS8700CQ
{
    
public:
    FXOS8700CQ(PinName sda, PinName scl);
    ~FXOS8700CQ();
    void init();
    Data get_values();
    
    float getPitchAngle();
    float getRollAngle();
    
    
private:
    I2C* i2c;
    
    void send_byte_to_reg(char byte,char reg);
    char read_byte_from_reg(char reg);
    void read_bytes_from_reg(char reg,int number_of_bytes,char bytes[]);
};

#endif /* FXOS8700_H_ */