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 Grove Moisture module 29var grove_moisture = require('jsupm_grovemoisture'); 30 31// Instantiate a Grove Moisture sensor on analog pin A0 32var myMoistureObj = new grove_moisture.GroveMoisture(0); 33 34// Values (approximate): 35// 0-300, sensor in air or dry soil 36// 300-600, sensor in humid soil 37// 600+, sensor in wet soil or submerged in water 38// Read the value every second and print the corresponding moisture level 39setInterval(function() 40{ 41 var result; 42 var moisture_val = parseInt(myMoistureObj.value()); 43 if (moisture_val >= 0 && moisture_val < 300) 44 result = "Dry"; 45 else if (moisture_val >= 300 && moisture_val < 600) 46 result = "Moist"; 47 else 48 result = "Wet"; 49 console.log("Moisture value: " + moisture_val + ", " + result); 50}, 1000); 51 52// Print message when exiting 53process.on('SIGINT', function() 54{ 55 console.log("Exiting..."); 56 process.exit(0); 57}); 58