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wt5001: Initial implementation

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The module implements support for the WT5001 serial mp3 player.  It was
tested on the Grove Serial MP3 Player.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>
This commit is contained in:
Jon Trulson
2015-01-01 01:22:11 -07:00
committed by John Van Drasek
parent 40e0595892
commit df390358f2
8 changed files with 1230 additions and 0 deletions
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examples/javascript/w5001.js Normal file
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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*global */
/*
* Author: Zion Orent <zorent@ics.com>
* 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 MP3Player = require('jsupm_wt5001');
function printUsage(progname)
{
console.log("Usage:" + progname + " <command>");
console.log("Commands:");
console.log("0 - stop playing");
console.log("1 - start playing track 1");
console.log("2 - pause/un-pause playback");
console.log("3 - next track");
console.log("4 - previous track");
}
// Instantiate a WT5001 serial MP3 player on uart 0 (/dev/ttyS0). This
// works for the galileo G2.
// The Edison uses a different serial port, /dev/ttyMFD1, so if you
// are using this example on an Edison board, set the environment
// variable WT5001_SERIAL_PORT to specify the proper port before
// running this example,
// eg: 'WT5001_SERIAL_PORT=/dev/ttyMFD1 node w5001.js'
// This example was tested on the Grove Serial MP3 module.
var defaultPort = "/dev/ttyS0";
var port = process.env.WT5001_SERIAL_PORT;
if (port)
defaultPort = port;
var myMP3Player = new MP3Player.WT5001(0, defaultPort);
var cmd = -1;
if (process.argv.length > 2)
cmd = parseInt(process.argv[2]);
if (!myMP3Player.setupTty(MP3Player.int_B9600))
{
console.log("Failed to setup tty port parameters");
process.exit(0);
}
switch (cmd)
{
case 0:
myMP3Player.stop();
break;
case 1:
myMP3Player.play(MP3Player.WT5001.SD, 1);
break;
case 2:
myMP3Player.pause();
break;
case 3:
myMP3Player.next();
break;
case 4:
myMP3Player.previous();
break;
default:
// nothing, just output usage, and info below
printUsage(process.argv[1]);
break;
}
// print out some information
var vol = new MP3Player.uint8Array(0);
myMP3Player.getVolume(vol);
console.log("The current volume is: " + vol.getitem(0));
var ps = new MP3Player.uint8Array(0);
myMP3Player.getPlayState(ps);
console.log("The current play state is: " + ps.getitem(0));
var numf = new MP3Player.uint16Array(0);
myMP3Player.getNumFiles(MP3Player.WT5001.SD, numf);
console.log("The number of files on the SD card is: " + numf.getitem(0));
var curf = new MP3Player.uint16Array(0);
myMP3Player.getCurrentFile(curf);
console.log("The current file is: " + curf.getitem(0));
var year = new MP3Player.uint16Array(0);
var month = new MP3Player.uint8Array(0);
var day = new MP3Player.uint8Array(0);
myMP3Player.getDate(year, month, day);
var mp3date = month.getitem(0) + "/";
mp3date += (day.getitem(0) + "/");
mp3date += year.getitem(0);
console.log("The device date is: " + mp3date);
var hour = new MP3Player.uint8Array(0);
var minute = new MP3Player.uint8Array(0);
var second = new MP3Player.uint8Array(0);
myMP3Player.getTime(hour, minute, second);
var mp3time = hour.getitem(0) + ":";
mp3time += (minute.getitem(0) + ":");
mp3time += second.getitem(0);
console.log("The device time is: " + mp3time);
// Print message when exiting
process.on('SIGINT', function()
{
console.log("Exiting...");
process.exit(0);
});