diff --git a/examples/javascript/joystick12.js b/examples/javascript/joystick12.js new file mode 100644 index 00000000..82d73b22 --- /dev/null +++ b/examples/javascript/joystick12.js @@ -0,0 +1,54 @@ +/*jslint node:true, vars:true, bitwise:true, unparam:true */ +/*jshint unused:true */ +/*global */ +/* +* Author: Zion Orent +* Copyright (c) 2014 Intel Corporation. +* +* Permission is hereby granted, free of charge, to any person obtaining +* a copy of this software and associated documentation files (the +* "Software"), to deal in the Software without restriction, including +* without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to +* permit persons to whom the Software is furnished to do so, subject to +* the following conditions: +* +* The above copyright notice and this permission notice shall be +* included in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +var joystick = require('jsupm_joystick12'); + +// Instantiate a joystick on analog pins A0 and A1 +var myJoystick = new joystick.Joystick12(0, 1); + +// Print the X and Y input values every second +setInterval(function() +{ + var XString = "Driving X:" + roundNum(myJoystick.getXInput(), 6); + var YString = ": and Y:" + roundNum(myJoystick.getYInput(), 6); + console.log(XString + YString); +}, 1000); + +function roundNum(num, decimalPlaces) +{ + var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000)); + var numerator = Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))); + var denominator = Math.pow(10, decimalPlaces); + return (numerator / denominator); +} + +// Print message when exiting +process.on('SIGINT', function() +{ + console.log("Exiting..."); + process.exit(0); +});