1/*jslint node:true, vars:true, bitwise:true, unparam:true */ 2/*jshint unused:true */ 3/*global */ 4/* 5* Author: Zion Orent <zorent@ics.com> 6* Copyright (c) 2014 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// Load dust sensor module 29var dustSensor = require('jsupm_ppd42ns'); 30// Instantiate a dust sensor on digital pin D8 31var myDustSensor = new dustSensor.PPD42NS(8); 32 33var data; 34 35// Continue until user ends program 36var notice = "This program will give readings "; 37notice += "every 30 seconds until you stop it" 38console.log(notice); 39while(1) 40{ 41 data = myDustSensor.getData(); 42 console.log("Low pulse occupancy: " + data.lowPulseOccupancy); 43 console.log("Ratio: " + data.ratio); 44 console.log("Concentration: " + data.concentration); 45} 46 47// Print message when exiting 48process.on('SIGINT', function() 49{ 50 console.log("Exiting..."); 51 process.exit(0); 52}); 53