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