1 /* 2 * Author: Jon Trulson <jtrulson (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 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 34 void sig_handler(int signo) 35 { 36 if (signo == SIGINT) 37 shouldRun = false; 38 } 39 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