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115 lines
2.7 KiB
JavaScript
115 lines
2.7 KiB
JavaScript
/*
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* Author: Zion Orent <zorent@ics.com>
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* Copyright (c) 2015 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 MP3Player = require('jsupm_wt5001');
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function printUsage(progname)
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{
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console.log("Usage: node " + progname + " <command>");
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console.log("Commands:");
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console.log("0 - stop playing");
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console.log("1 - start playing track 1");
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console.log("2 - pause/un-pause playback");
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console.log("3 - next track");
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console.log("4 - previous track");
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}
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// Instantiate a WT5001 serial MP3 player on uart 0.
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// This example was tested on the Grove Serial MP3 module.
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var myMP3Player = new MP3Player.WT5001(0);
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var cmd = -1;
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if (process.argv.length > 2)
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cmd = parseInt(process.argv[2]);
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if (!myMP3Player.setupTty(MP3Player.int_B9600))
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{
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console.log("Failed to setup tty port parameters");
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process.exit(0);
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}
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switch (cmd)
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{
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case 0:
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myMP3Player.stop();
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break;
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case 1:
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myMP3Player.play(MP3Player.WT5001.SD, 1);
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break;
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case 2:
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myMP3Player.pause();
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break;
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case 3:
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myMP3Player.next();
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break;
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case 4:
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myMP3Player.previous();
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break;
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default:
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// nothing, just output usage, and info below
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printUsage(process.argv[1]);
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break;
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}
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// print out some information
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var vol = new MP3Player.uint8Array(0);
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myMP3Player.getVolume(vol);
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console.log("The current volume is: " + vol.getitem(0));
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var ps = new MP3Player.uint8Array(0);
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myMP3Player.getPlayState(ps);
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console.log("The current play state is: " + ps.getitem(0));
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var numf = new MP3Player.uint16Array(0);
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myMP3Player.getNumFiles(MP3Player.WT5001.SD, numf);
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console.log("The number of files on the SD card is: " + numf.getitem(0));
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var curf = new MP3Player.uint16Array(0);
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myMP3Player.getCurrentFile(curf);
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console.log("The current file is: " + curf.getitem(0));
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// set the date
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myMP3Player.setDate(2015, 3, 14);
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// set the time
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myMP3Player.setTime(9, 26, 53);
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var year = new MP3Player.uint16Array(0);
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var month = new MP3Player.uint8Array(0);
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var day = new MP3Player.uint8Array(0);
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myMP3Player.getDate(year, month, day);
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var mp3date = month.getitem(0) + "/";
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mp3date += (day.getitem(0) + "/");
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mp3date += year.getitem(0);
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console.log("The device date is: " + mp3date);
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var hour = new MP3Player.uint8Array(0);
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var minute = new MP3Player.uint8Array(0);
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var second = new MP3Player.uint8Array(0);
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myMP3Player.getTime(hour, minute, second);
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var mp3time = hour.getitem(0) + ":";
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mp3time += (minute.getitem(0) + ":");
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mp3time += second.getitem(0);
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console.log("The device time is: " + mp3time);
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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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