Home | History | Annotate | Download | only in c++ 
      1 /*
      2 * Author: Zion Orent <zorent (at) ics.com>
      3 * Copyright (c) 2015 Intel Corporation.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining
      6 * a copy of this software and associated documentation files (the
      7 * "Software"), to deal in the Software without restriction, including
      8 * without limitation the rights to use, copy, modify, merge, publish,
      9 * distribute, sublicense, and/or sell copies of the Software, and to
     10 * permit persons to whom the Software is furnished to do so, subject to
     11 * the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be
     14 * included in all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23 */
     24 #include <iostream>
     25 #include <unistd.h>
     26 #include <signal.h>
     27 #include "grovecollision.h"
     28 
     29 using namespace std;
     30 
     31 int shouldRun = true;
     32 
     33 void sig_handler(int signo)
     34 {
     35   if (signo == SIGINT)
     36     shouldRun = false;
     37 }
     38 
     39 int main(int argc, char **argv)
     40 {
     41   signal(SIGINT, sig_handler);
     42 
     43 //! [Interesting]
     44   // The was tested with the Grove Collision Sensor
     45   // Instantiate a Grove Collision on digital pin D2
     46   upm::GroveCollision* collision = new upm::GroveCollision(2);
     47 
     48   bool collisionState = false;
     49   cout << "No collision" << endl;
     50   while (shouldRun)
     51   {
     52 	if (collision->isColliding() && !collisionState)
     53 	{
     54 		cout << "Collision!" << endl;
     55 		collisionState = true;
     56 	}
     57 	else if (collisionState)
     58 	{
     59 		cout << "No collision" << endl;
     60 		collisionState = false;
     61 	}
     62   }
     63 
     64 //! [Interesting]
     65   cout << "Exiting" << endl;
     66 
     67   delete collision;
     68   return 0;
     69 }
     70