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48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
/*
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* Author: Zion Orent <zorent@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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var upmBuzzer = require("jsupm_buzzer");
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// Initialize on GPIO 5
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var myBuzzer = new upmBuzzer.Buzzer(5);
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var chords = [];
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chords.push(upmBuzzer.BUZZER_DO);
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chords.push(upmBuzzer.BUZZER_RE);
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chords.push(upmBuzzer.BUZZER_MI);
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chords.push(upmBuzzer.BUZZER_FA);
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chords.push(upmBuzzer.BUZZER_SOL);
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chords.push(upmBuzzer.BUZZER_LA);
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chords.push(upmBuzzer.BUZZER_SI);
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var chordIndex = 0;
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// Print sensor name
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console.log(myBuzzer.name());
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function melody()
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{
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if (chords.length != 0)
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{
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//Play sound for one half second
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console.log( myBuzzer.playSound(chords[chordIndex], 500000) );
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chordIndex++;
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//Reset the sound to start from the beginning.
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if (chordIndex > chords.length - 1)
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chordIndex = 0;
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}
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}
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setInterval(melody, 100);
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// Print message when exiting
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process.on('SIGINT', function()
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{
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console.log("Exiting...");
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process.exit(0);
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});
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