1 /*jslint node:true, vars:true, bitwise:true, unparam:true */ 2 /*jshint unused:true */ 3 /*global */ 4 /* 5 * Author: Zion Orent <zorent (at) 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 Grove module 29 var waterSensor = require('jsupm_grovewater'); 30 31 // Instantiate a Grove Water sensor on digital pin D2 32 var water = new waterSensor.GroveWater(2); 33 34 // Read whether the sensor is wet/dry, waiting one second between readings 35 function readWaterState() 36 { 37 if (water.isWet()) 38 console.log("Sensor is wet"); 39 else 40 console.log("Sensor is dry"); 41 } 42 setInterval(readWaterState, 1000); 43 44 // Print message when exiting 45 process.on('SIGINT', function() 46 { 47 console.log("Exiting..."); 48 process.exit(0); 49 }); 50
