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