1 /*
2  * Author: Stefan Andritoiu <stefan.andritoiu@intel.com>
3  * Copyright (c) 2015 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 //NOT TESTED!!!
26 public class WT5001Sample {
27 
28 	static {
29 		try {
30 			System.loadLibrary("javaupm_wt5001");
31 		} catch (UnsatisfiedLinkError e) {
32 			System.err.println("error in loading native library");
33 			System.exit(-1);
34 		}
35 	}
36 
printUsage()37 	static private void printUsage() {
38 		System.out.println("Usage: java WT5001Sample <command>");
39 		System.out.println("Commands:");
40 		System.out.println("0  - stop playing");
41 		System.out.println("1  - start playing track 1");
42 		System.out.println("2  - pause/un-pause playback");
43 		System.out.println("3  - next track");
44 		System.out.println("4  - previous track");
45 	}
46 
main(String[] args)47 	public static void main(String[] args) throws InterruptedException {
48 		// ! [Interesting]
49 		// Instantiate a WT5001 serial MP3 player on uart 0
50 		upm_wt5001.WT5001 mp3 = new upm_wt5001.WT5001(0);
51 
52 		int cmd = -1;
53 		if (args.length > 0)
54 			cmd = Integer.parseInt(args[0]);
55 
56 		// make sure port is initialized properly. 9600 baud is the default
57 		if (!mp3.setupTty()) {
58 			System.err.println("error in loading native library");
59 			System.exit(-1);
60 		}
61 
62 		switch (cmd) {
63 			case 0 :
64 				mp3.stop();
65 				break;
66 
67 			case 1 :
68 				mp3.play(upm_wt5001.WT5001.WT5001_PLAYSOURCE_T.SD, 1);
69 				break;
70 
71 			case 2 :
72 				mp3.pause();
73 				break;
74 
75 			case 3 :
76 				mp3.next();
77 				break;
78 
79 			case 4 :
80 				mp3.previous();
81 				break;
82 
83 			default :
84 				// nothing, just output usage, and info below
85 				printUsage();
86 				break;
87 		}
88 
89 		// print out some information
90 		short vol[] = new short[1];
91 		if (mp3.getVolume(vol))
92 			System.out.println("The current volume is: " + vol[0]);
93 
94 		short ps[] = new short[1];
95 		if (mp3.getPlayState(ps))
96 			System.out.println("The current play state is: " + ps[0]);
97 
98 		int numf[] = new int[1];
99 		if (mp3.getNumFiles(upm_wt5001.WT5001.WT5001_PLAYSOURCE_T.SD, numf))
100 			System.out.println("The number of files on the SD card is: " + numf[0]);
101 
102 		int curf[] = new int[1];
103 		if (mp3.getCurrentFile(curf))
104 			System.out.println("The current file is: " + curf[0]);
105 
106 		int year[] = new int[1];
107 		short month[] = new short[1];
108 		short day[] = new short[1];
109 		if (mp3.getDate(year, month, day))
110 			System.out.println("The device date is: " + year[0] + "/" + month[0] + "/" + day[0]);
111 
112 		short hour[] = new short[1];
113 		short minute[] = new short[1];
114 		short second[] = new short[1];
115 		if (mp3.getTime(hour, minute, second))
116 			System.out
117 					.println("The device time is: " + hour[0] + ":" + minute[0] + ":" + second[0]);
118 		// ! [Interesting]
119 	}
120 
121 }