main.c

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 * Copyright (C) 2015 Sensorian
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#include <bcm2835.h>
#include <stdio.h>
#include "MPL3115A2.h"
#include "i2c.h"
#include "Utilities.h"

int main(int argc, char **argv)
{
    I2C_Initialize(MPL3115A2_ADDRESS);      //Initialize I2C and setup chip address 
    MPL3115A2_Initialize();
    MPL3115A2_ActiveMode(); 
    
    printf("MPL3115A2 Temperature Calibration demo.\r\n");
    
    unsigned char id  = MPL3115A2_ID(); //Verify chip id
    printf("Chip ID: 0x%02X . \r\n", id);
    unsigned char va = 0;
    float temp = 0;
    
    while(1)
    {          
        temp = MPL3115A2_ReadTemperature();//Take a temperature reading
        printf("Temperature 1 : %0.2f degree Celsius.\r\n", temp);
        delay_ms(500);
        
        MPL3115A2_StandbyMode();
        MPL3115A2_SetTempOffset(-50);
        delay_ms(500);
        MPL3115A2_ActiveMode(); 
        delay_ms(500);
        
        temp = MPL3115A2_ReadTemperature();//Take a new temperature reading
        printf("Temperature 2 : %0.2f degree Celsius.\r\n", temp);
        delay_ms(500);
        
        MPL3115A2_StandbyMode();
        MPL3115A2_SetTempOffset(-128);
        delay_ms(500);
        MPL3115A2_ActiveMode(); 
        delay_ms(500);
        
        va = MPL3115A2_ReadByte(OFF_T);
        printf("Reg: %x. \r\n", va);        
    }

return 0;
}