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