Use git: path for pdclib
[fw/altos] / altoslib / AltosMag.java
1 /*
2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License along
14  * with this program; if not, write to the Free Software Foundation, Inc.,
15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
16  */
17
18 package org.altusmetrum.altoslib_2;
19
20 import java.util.concurrent.*;
21
22 public class AltosMag implements Cloneable {
23         public int              x;
24         public int              y;
25         public int              z;
26
27         public boolean parse_string(String line) {
28 //              if (line.startsWith("Syntax error")) {
29 //                      x = y = z = 0;
30 //                      return true;
31 //              }
32
33                 if (!line.startsWith("X:"))
34                         return false;
35
36                 String[] items = line.split("\\s+");
37
38                 if (items.length >= 6) {
39                         x = Integer.parseInt(items[1]);
40                         y = Integer.parseInt(items[3]);
41                         z = Integer.parseInt(items[5]);
42                 }
43                 return true;
44         }
45
46         public AltosMag clone() {
47                 AltosMag n = new AltosMag();
48
49                 n.x = x;
50                 n.y = y;
51                 n.z = z;
52                 return n;
53         }
54
55         public AltosMag() {
56                 x = AltosLib.MISSING;
57                 y = AltosLib.MISSING;
58                 z = AltosLib.MISSING;
59         }
60
61         static public void update_state(AltosState state, AltosLink link, AltosConfigData config_data) throws InterruptedException {
62                 try {
63                         AltosMag        mag = new AltosMag(link);
64
65                         if (mag != null)
66                                 state.set_mag(mag);
67                 } catch (TimeoutException te) {
68                 }
69         }
70
71         public AltosMag(AltosLink link) throws InterruptedException, TimeoutException {
72                 this();
73                 link.printf("M\n");
74                 for (;;) {
75                         String line = link.get_reply_no_dialog(5000);
76                         if (line == null) {
77                                 throw new TimeoutException();
78                         }
79                         if (parse_string(line))
80                                 break;
81                 }
82         }
83 }
84