1/*jslint node:true, vars:true, bitwise:true, unparam:true */ 2/*jshint unused:true */ 3/* 4* Author: Jon Trulson <jtrulson@ics.com> 5* Copyright (c) 2015 Intel Corporation. 6* 7* Permission is hereby granted, free of charge, to any person obtaining 8* a copy of this software and associated documentation files (the 9* "Software"), to deal in the Software without restriction, including 10* without limitation the rights to use, copy, modify, merge, publish, 11* distribute, sublicense, and/or sell copies of the Software, and to 12* permit persons to whom the Software is furnished to do so, subject to 13* the following conditions: 14* 15* The above copyright notice and this permission notice shall be 16* included in all copies or substantial portions of the Software. 17* 18* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25*/ 26var ad8232Sensor_lib = require('jsupm_ad8232'); 27 28// Instantiate a AD8232 sensor on digital pins 10 (LO+), 11 (LO-) 29// and an analog pin, 0 (OUTPUT) 30var myAd8232Sensor_obj = new ad8232Sensor_lib.AD8232(10, 11, 0); 31 32// Output the raw numbers from the ADC, for plotting elsewhere. 33// A return of 0 indicates a Lead Off (LO) condition. 34// In theory, this data could be fed to software like Processing 35// (https://www.processing.org/) to plot the data just like an 36// EKG you would see in a hospital. 37var myInterval = setInterval(function() 38{ 39 console.log(myAd8232Sensor_obj.value()); 40}, 1); 41 42// Print message when exiting 43process.on('SIGINT', function() 44{ 45 clearInterval(myInterval); 46 myAd8232Sensor_obj = null; 47 ad8232Sensor_lib.cleanUp(); 48 ad8232Sensor_lib = null; 49 console.log("Exiting"); 50 process.exit(0); 51}); 52