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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.altoslib_11;
  20
  21 import java.text.*;
  22 import java.util.concurrent.*;
  23
  24 /*
  25  * Extract a bit of information from an eeprom-stored flight log.
  26  */
  27
  28 public class AltosEepromLog {
  29         public int              serial;
  30         public boolean          has_flight;
  31         public int              flight;
  32         public int              start_block;
  33         public int              end_block;
  34
  35         public int              year, month, day;
  36
  37         public boolean          selected;
  38
  39         public AltosEepromLog(AltosConfigData config_data,
  40                               AltosLink link,
  41                               int in_flight, int in_start_block,
  42                               int in_end_block)
  43                 throws InterruptedException, TimeoutException {
  44
  45                 int             block;
  46                 boolean         has_date = false;
  47
  48                 flight = in_flight;
  49                 if (flight != 0)
  50                         has_flight = true;
  51                 start_block = in_start_block;
  52                 end_block = in_end_block;
  53                 serial = config_data.serial;
  54
  55                 /*
  56                  * Select all flights for download
  57                  */
  58                 selected = true;
  59
  60                 /*
  61                  * Look in TeleMetrum log data for date
  62                  */
  63                 if (config_data.log_format == AltosLib.AO_LOG_FORMAT_UNKNOWN ||
  64                     config_data.log_format == AltosLib.AO_LOG_FORMAT_FULL)
  65                 {
  66                         /*
  67                          * Only look in the first two blocks so that this
  68                          * process doesn't take a long time
  69                          */
  70                         if (in_end_block > in_start_block + 2)
  71                                 in_end_block = in_start_block + 2;
  72
  73                         for (block = in_start_block; block < in_end_block; block++) {
  74                                 AltosEepromChunk eechunk = new AltosEepromChunk(link, block, block == in_start_block);
  75
  76                                 for (int i = 0; i < AltosEepromChunk.chunk_size; i += AltosEepromTM.record_length) {
  77                                         try {
  78                                                 AltosEepromTM r = new AltosEepromTM(eechunk, i);
  79
  80                                                 if (r.cmd == AltosLib.AO_LOG_FLIGHT) {
  81                                                         flight = r.b;
  82                                                         has_flight = true;
  83                                                 }
  84                                                 if (r.cmd == AltosLib.AO_LOG_GPS_DATE) {
  85                                                         year = 2000 + (r.a & 0xff);
  86                                                         month = (r.a >> 8) & 0xff;
  87                                                         day = (r.b & 0xff);
  88                                                         has_date = true;
  89                                                 }
  90                                         } catch (ParseException pe) {
  91                                         }
  92                                 }
  93                                 if (has_date && has_flight)
  94                                         break;
  95                         }
  96                 }
  97         }
  98 }