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      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 "waterlevel.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 Water Level Sensor
     45   // Instantiate a Water Level Sensor on digital pin D2
     46   upm::WaterLevel* waterlevel = new upm::WaterLevel(2);
     47 
     48   while (shouldRun)
     49   {
     50 	if (waterlevel->isSubmerged())
     51 		cout << "Sensor is submerged in liquid" << endl;
     52 	else
     53 		cout << "Liquid is below water level sensor" << endl;
     54 	sleep(1);
     55   }
     56 
     57 //! [Interesting]
     58   cout << "Exiting" << endl;
     59 
     60   delete waterlevel;
     61   return 0;
     62 }
     63