git.gag.com Git - fw/altos/blob - 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         download;
  47         boolean         delete;
  48
  49         public AltosEepromLog(AltosSerial serial_line, int in_serial,
  50                               int in_start_block, int in_end_block)
  51                 throws InterruptedException, TimeoutException {
  52
  53                 int             block;
  54                 boolean         has_date = false;
  55
  56                 start_block = in_start_block;
  57                 end_block = in_end_block;
  58                 serial = in_serial;
  59
  60                 /*
  61                  * By default, request that every log be downloaded but not deleted
  62                  */
  63                 download = true;
  64                 delete = false;
  65                 /*
  66                  * Only look in the first two blocks so that this
  67                  * process doesn't take a long time
  68                  */
  69                 if (in_end_block > in_start_block + 2)
  70                         in_end_block = in_start_block + 2;
  71
  72                 for (block = in_start_block; block < in_end_block; block++) {
  73                         AltosEepromChunk eechunk = new AltosEepromChunk(serial_line, block);
  74
  75                         if (block == in_start_block) {
  76                                 if (eechunk.data(0) != Altos.AO_LOG_FLIGHT) {
  77                                         flight = eechunk.data16(0);
  78                                         has_flight = true;
  79                                         break;
  80                                 }
  81                         }
  82                         for (int i = 0; i < eechunk.chunk_size; i += AltosEepromRecord.record_length) {
  83                                 try {
  84                                         AltosEepromRecord r = new AltosEepromRecord(eechunk, i);
  85
  86                                         if (r.cmd == Altos.AO_LOG_FLIGHT) {
  87                                                 flight = r.b;
  88                                                 has_flight = true;
  89                                         }
  90                                         if (r.cmd == Altos.AO_LOG_GPS_DATE) {
  91                                                 year = 2000 + (r.a & 0xff);
  92                                                 month = (r.a >> 8) & 0xff;
  93                                                 day = (r.b & 0xff);
  94                                                 has_date = true;
  95                                         }
  96                                 } catch (ParseException pe) {
  97                                 }
  98                         }
  99                         if (has_date && has_flight)
 100                                 break;
 101                 }
 102         }
 103 }