main.c

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/****************************************************************************
 * Copyright (C) 2015 Sensorian
 *                                                                          *
 * This file is part of Sensorian.                                          *
 *                                                                          *
 *   Sensorian is free software: you can redistribute it and/or modify it   *
 *   under the terms of the GNU Lesser General Public License as published  *
 *   by the Free Software Foundation, either version 3 of the License, or   *
 *   (at your option) any later version.                                    *
 *                                                                          *
 *   Sensorian 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 Lesser General Public License for more details.                    *
 *                                                                          *
 *   You should have received a copy of the GNU Lesser General Public       *
 *   License along with Sensorian.                                          *
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 ****************************************************************************/
 
#include <stdio.h>
#include "Utilities.h"
#include "FXOS8700CQ.h"
#include "i2c.h"

int main(int argc, char **argv)
{
    unsigned char id = 0;
    
    rawdata_t accelerometerBuffer;  
    rawdata_t magnetometerBuffer;
    
    I2C_Initialize(FXOS8700CQ_ADDRESS);         //Initialize I2C and setup chip address     
    FXOS8700CQ_Initialize();    //Setup chip in hybrid mode
    
    id = FXOS8700CQ_ID();       //Verify chip ID
    printf("Chip ID: 0x%02X. \r\n",id);
    
    FXOS8700CQ_StandbyMode();
    
    FXOS8700CQ_WriteByte(SYSMOD,0x01);      //Set to wake up 
    
    FXOS8700CQ_ActiveMode();
    
    id = FXOS8700CQ_GetChipMode();  //Setup sensor as accelerometer
    printf("Chip Mode: 0x%02X. \r\n",id);   
    
    id = FXOS8700CQ_ReadByte(PL_BF_ZCOMP);
    printf("PL_BF_ZCOMP: 0x%02X. \r\n",id);
    
    while(1)
    {
         if(FXOS8700CQ_ReadStatusReg() & 0x80)
         {  
            FXOS8700CQ_GetData(&accelerometerBuffer,&magnetometerBuffer);
            printf("Magnetometer data x: %d, y: %d, z: %d \r\n" , magnetometerBuffer.x, magnetometerBuffer.y, magnetometerBuffer.z);    
         }
    }
    
    printf("Shutting down");    
    I2C_Close();                //Return I2C pins to default status

    return 0;
}