text: /*
  * Author: Zion Orent <zorent@ics.com>
  * Copyright (c) 2015 Intel Corporation.
  *
  * 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 <iostream>
  #include <unistd.h>
  #include <signal.h>
  #include "grovecollision.h"
  
  using namespace std;
  
  int shouldRun = true;
  
  void sig_handler(int signo)
  {
    if (signo == SIGINT)
      shouldRun = false;
  }
  
  int main(int argc, char **argv)
  {
    signal(SIGINT, sig_handler);
  
  //! [Interesting]
    // The was tested with the Grove Collision Sensor
    // Instantiate a Grove Collision on digital pin D2
    upm::GroveCollision* collision = new upm::GroveCollision(2);
  
    bool collisionState = false;
    cout << "No collision" << endl;
    while (shouldRun)
    {
  	if (collision->isColliding() && !collisionState)
  	{
  		cout << "Collision!" << endl;
  		collisionState = true;
  	}
  	else if (collisionState)
  	{
  		cout << "No collision" << endl;
  		collisionState = false;
  	}
    }
  
  //! [Interesting]
    cout << "Exiting" << endl;
  
    delete collision;
    return 0;
  }
  