Hello world program for I2C Accelerometer

Dependencies:   MMA8491 mbed

main.cpp

Committer:
AswinSivakumar
Date:
2017-04-24
Revision:
1:536cdd7e80c0
Parent:
0:96ca5855e9d3

File content as of revision 1:536cdd7e80c0:

/*
 * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "MMA8491.h"
#include "mbed.h"

// Initialize Serial port
Serial pc(USBTX, USBRX);

// Initialize pins for I2C communication for sensors. Set jumpers J6,J7 in FRDM-STBC-AGM01 board accordingly.
MMA8491 accel(D14,D15,PTB1);



    
int main()
{
   
   
    float accel_data[3]; float accel_rms=0.0;
         
    printf("Begin Data Acquisition....\r\n\r\n");
    wait(0.5);
    
    while(1)
    {
      accel.acquire_MMA8491_data_g(accel_data);
      accel_rms = sqrt(((accel_data[0]*accel_data[0])+(accel_data[1]*accel_data[1])+(accel_data[2]*accel_data[2]))/3);
      printf("%4.2f,%4.2f,%4.2f,\t",accel_data[0],accel_data[1],accel_data[2]);
      wait(0.005);
      
      printf("\n\r");
             
   
      
     }
      
}