1 /*jslint node:true, vars:true, bitwise:true, unparam:true */ 2 /*jshint unused:true */ 3 /* 4 * Author: Jun Kato 5 * Contributions: Jon Trulson <jtrulson (at) 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 // Instantiate a Grove Circular LED on gpio pins 5 and 4 29 var GCL = require("jsupm_grovecircularled"); 30 var circle = new GCL.GroveCircularLED(5, 4); 31 var level = 0; 32 33 // Show a spinner. 34 var myInterval = setInterval(function() 35 { 36 circle.setSpinner(level); 37 level = (level + 1) % 24; 38 }, 100); 39 40 // When exiting, clear interval and print message. 41 process.on('SIGINT', function() 42 { 43 clearInterval(myInterval); 44 circle.setLevel(0); 45 circle = null; 46 GCL.cleanUp(); 47 console.log("Exiting..."); 48 process.exit(0); 49 }); 50
