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 28var joystick = require('jsupm_joystick12'); 29 30// Instantiate a joystick on analog pins A0 and A1 31var myJoystick = new joystick.Joystick12(0, 1); 32 33// Print the X and Y input values every second 34setInterval(function() 35{ 36 var XString = "Driving X:" + roundNum(myJoystick.getXInput(), 6); 37 var YString = ": and Y:" + roundNum(myJoystick.getYInput(), 6); 38 console.log(XString + YString); 39}, 1000); 40 41function roundNum(num, decimalPlaces) 42{ 43 var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000)); 44 var numerator = Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))); 45 var denominator = Math.pow(10, decimalPlaces); 46 return (numerator / denominator); 47} 48 49// Print message when exiting 50process.on('SIGINT', function() 51{ 52 console.log("Exiting..."); 53 process.exit(0); 54}); 55