Jim Carver / FXOS8700Q

A basic library for the FXOS8700Q combination accelerometer / magnetometer

Dependencies:   MotionSensor

Dependents:   K64F_eCompass_LCD Hello_FXOS8700Q rtos_compass K64F_eCompass ... more

This library supports the 6 axis combination Accelerometer / Magnetometer. Functions are provided to retrieve data in raw 16 bit signed integers or unit converted G's and micro-teslas

FXOS8700Q.h

Committer:
JimCarver
Date:
2014-04-07
Revision:
0:2562215f5bc0
Child:
1:8b53edef272f

File content as of revision 0:2562215f5bc0:

#ifndef FXOS8700Q_H
#define FXOS8700Q_H

#include "mbed.h"
// FXOS8700CQ I2C address
#define FXOS8700CQ_SLAVE_ADDR 0x3C // with pins SA0=0, SA1=0

// FXOS8700CQ internal register addresses
#define FXOS8700CQ_STATUS 0x00
#define FXOS8700CQ_WHOAMI 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_WHOAMI_VAL 0xC7

class FXOS8700Q
{
public:
    /**
    * MPL3115A2 constructor
    *
    * @param sda SDA pin
    * @param sdl SCL pin
    * @param addr addr of the I2C peripheral
    */
    FXOS8700Q(PinName sda, PinName scl);
    
    /**
    * Get the value of the WHO_AM_I register
    *
    * @returns DEVICE_ID value == ??
    */
    //uint8_t getDeviceID();
    
    /**
    * Return the STATUS register value
    *
    * @returns STATUS register value
    */
    //unsigned char getStatus( void);
    
    /**
    * Get the Accelerometer & Magnetometer values
    * Accelerometer data is in G's
    * MAgnetometer Data is in microteslas
    *
    * @returns altimeter value as float
    */
    void ReadXYZ(float * a, float * m);
      

private:

    I2C _i2c;
    /** Set the device in active mode
    */
    void begin( void);
    
    void RegRead( char reg, char * d, int len);


};

#endif