MtM+ / MtSense07

Basic functions is OK. Lack interrupts function.

Dependents:   Mt05_MtSense07

AK09912.h

Committer:
bcc6
Date:
2017-01-26
Revision:
0:4f87d5af61b1
Child:
1:4eefcf1d7351

File content as of revision 0:4f87d5af61b1:

#ifndef AK09912_H
#define AK09912_H

#include "mbed.h"


#define AK09912_SLAVE_ADDR 0x1A // 0001_1010b


class AK09912 {    
public:
    struct Data {
        float x;    // uT/LSB
        float y;
        float z;
        float t;    // 'C
    };

    static const uint8_t DEVICE_ID = 0x04;

    AK09912(I2C &i2c, PinName int1 = NC);
    
    void ConfigDevice();
    void GetDeviceID(uint8_t *id);
    void GetData(Data *data);
    
private:
    I2C &_i2c;
    InterruptIn _int1;
    
    uint8_t _asa[3]; // ASAX, ASAY, ASAZ

    float ConvertAdcToMagnetic(int16_t adc, uint8_t asa);
    float ConvertAdcToTemperature(uint8_t adc);

    void RegWrite(char reg, char  val);
    void RegRead (char reg, char *val, int len);
    void RegReadModifyWrite(char reg, char clr_mask, char set_mask);
};

#endif