1/*jslint node:true, vars:true, bitwise:true, unparam:true */ 2/*jshint unused:true */ 3 4/* 5 * Author: Jon Trulson <jtrulson@ics.com> 6 * Copyright (c) 2015 Intel Corporation. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining 9 * a copy of this software and associated documentation files (the 10 * "Software"), to deal in the Software without restriction, including 11 * without limitation the rights to use, copy, modify, merge, publish, 12 * distribute, sublicense, and/or sell copies of the Software, and to 13 * permit persons to whom the Software is furnished to do so, subject to 14 * the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be 17 * included in all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 */ 27 28 29var sensorObj = require('jsupm_wheelencoder'); 30 31// Instantiate a DFRobot Wheel Encoder on digital pin D2 32var sensor = new sensorObj.WheelEncoder(2); 33 34// set the counter to 0 and start counting 35sensor.clearCounter(); 36sensor.startCounter(); 37 38setInterval(function() 39{ 40 // output milliseconds passed and current sensor count 41 console.log("Millis: " + sensor.getMillis() + " Count: " + 42 sensor.counter()); 43}, 1000); 44 45// exit on ^C 46process.on('SIGINT', function() 47{ 48 sensor = null; 49 sensorObj.cleanUp(); 50 sensorObj = null; 51 console.log("Exiting."); 52 process.exit(0); 53}); 54 55