From 98f26235db2d31caf3f55623798ae90439239006 Mon Sep 17 00:00:00 2001 From: Zion Orent Date: Wed, 7 Jan 2015 17:54:31 -0500 Subject: [PATCH] buzzer: JavaScript example for Grove buzzer Signed-off-by: Zion Orent Signed-off-by: Jon Trulson Signed-off-by: Sarah Knepper --- examples/javascript/buzzer.js | 65 +++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 examples/javascript/buzzer.js diff --git a/examples/javascript/buzzer.js b/examples/javascript/buzzer.js new file mode 100644 index 00000000..4fcc7dc6 --- /dev/null +++ b/examples/javascript/buzzer.js @@ -0,0 +1,65 @@ +/*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 upmBuzzer = require("jsupm_buzzer"); +// Initialize on GPIO 5 +var myBuzzer = new upmBuzzer.Buzzer(5); +var chords = []; +chords.push(upmBuzzer.DO); +chords.push(upmBuzzer.RE); +chords.push(upmBuzzer.MI); +chords.push(upmBuzzer.FA); +chords.push(upmBuzzer.SOL); +chords.push(upmBuzzer.LA); +chords.push(upmBuzzer.SI); +chords.push(upmBuzzer.DO); +chords.push(upmBuzzer.SI); +var chordIndex = 0; + +// Print sensor name +console.log(myBuzzer.name()); + +function melody() +{ + if (chords.length != 0) + { + //Play sound for one second + console.log( myBuzzer.playSound(chords[chordIndex], 1000000) ); + chordIndex++; + //Reset the sound to start from the beginning. + if (chordIndex > chords.length - 1) + chordIndex = 0; + } +} +setInterval(melody, 100); + +// Print message when exiting +process.on('SIGINT', function() +{ + console.log("Exiting..."); + process.exit(0); +});