475d7f122a6bb50e319591b390b9058ac429c56e
[fw/altos] / altosui / AltosEepromLog.java
1 /*
2  * Copyright © 2011 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 altosui;
19
20 import java.awt.*;
21 import java.awt.event.*;
22 import javax.swing.*;
23 import javax.swing.filechooser.FileNameExtensionFilter;
24 import javax.swing.table.*;
25 import java.io.*;
26 import java.util.*;
27 import java.text.*;
28 import java.util.prefs.*;
29 import java.util.concurrent.*;
30
31 import libaltosJNI.*;
32
33 /*
34  * Extract a bit of information from an eeprom-stored flight log.
35  */
36
37 public class AltosEepromLog {
38         int             serial;
39         boolean         has_flight;
40         int             flight;
41         int             start_block;
42         int             end_block;
43
44         int             year, month, day;
45
46         boolean         selected;
47
48         public AltosEepromLog(AltosConfigData config_data,
49                               AltosSerial serial_line,
50                               int in_flight, int in_start_block,
51                               int in_end_block)
52                 throws InterruptedException, TimeoutException {
53
54                 int             block;
55                 boolean         has_date = false;
56
57                 flight = in_flight;
58                 if (flight != 0)
59                         has_flight = true;
60                 start_block = in_start_block;
61                 end_block = in_end_block;
62                 serial = config_data.serial;
63
64                 /*
65                  * Select all flights for download
66                  */
67                 selected = true;
68
69                 /*
70                  * Look in TeleMetrum log data for date
71                  */
72                 if (config_data.log_format == Altos.AO_LOG_FORMAT_UNKNOWN ||
73                     config_data.log_format == Altos.AO_LOG_FORMAT_FULL)
74                 {
75                         /*
76                          * Only look in the first two blocks so that this
77                          * process doesn't take a long time
78                          */
79                         if (in_end_block > in_start_block + 2)
80                                 in_end_block = in_start_block + 2;
81
82                         for (block = in_start_block; block < in_end_block; block++) {
83                                 AltosEepromChunk eechunk = new AltosEepromChunk(serial_line, block, block == in_start_block);
84
85                                 for (int i = 0; i < eechunk.chunk_size; i += AltosEepromRecord.record_length) {
86                                         try {
87                                                 AltosEepromRecord r = new AltosEepromRecord(eechunk, i);
88
89                                                 if (r.cmd == Altos.AO_LOG_FLIGHT) {
90                                                         flight = r.b;
91                                                         has_flight = true;
92                                                 }
93                                                 if (r.cmd == Altos.AO_LOG_GPS_DATE) {
94                                                         year = 2000 + (r.a & 0xff);
95                                                         month = (r.a >> 8) & 0xff;
96                                                         day = (r.b & 0xff);
97                                                         has_date = true;
98                                                 }
99                                         } catch (ParseException pe) {
100                                         }
101                                 }
102                                 if (has_date && has_flight)
103                                         break;
104                         }
105                 }
106         }
107 }