Hello world program for I2C Accelerometer

Dependencies:   MMA8491 mbed

main.cpp

Committer:
AswinSivakumar
Date:
2016-03-23
Revision:
0:96ca5855e9d3
Child:
1:536cdd7e80c0

File content as of revision 0:96ca5855e9d3:

 /* Copyright (c) 2015 NXP Semiconductors. MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#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");
             
   
      
     }
      
}