1 /*
2  * Author: Jon Trulson <jtrulson@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 
25 #include <unistd.h>
26 #include <iostream>
27 #include <signal.h>
28 #include "ad8232.h"
29 
30 using namespace std;
31 
32 bool shouldRun = true;
33 
sig_handler(int signo)34 void sig_handler(int signo)
35 {
36   if (signo == SIGINT)
37     shouldRun = false;
38 }
39 
main()40 int main()
41 {
42   signal(SIGINT, sig_handler);
43 
44 //! [Interesting]
45   // Instantiate a Ad8232 sensor on digital pins 10 (LO+), 11 (LO-)
46   // and an analog pin, 0 (OUTPUT)
47   upm::AD8232 *ad8232 = new upm::AD8232(10, 11, 0);
48 
49   // Output the raw numbers from the ADC, for plotting elsewhere.
50   // A return of 0 indicates a Lead Off (LO) condition.
51   // In theory, this data could be fed to software like Processing
52   // (https://www.processing.org/) to plot the data just like an
53   // EKG you would see in a hospital.
54   while (shouldRun)
55     {
56       cout << ad8232->value() << endl;
57       usleep(1000);
58     }
59 //! [Interesting]
60 
61   cout << "Exiting" << endl;
62 
63   delete ad8232;
64   return 0;
65 }
66