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_1;
  19
  20 import java.text.*;
  21 import java.util.concurrent.*;
  22
  23 /*
  24  * Extract a bit of information from an eeprom-stored flight log.
  25  */
  26
  27 public class AltosEepromLog {
  28         public int              serial;
  29         public boolean          has_flight;
  30         public int              flight;
  31         public int              start_block;
  32         public int              end_block;
  33
  34         public int              year, month, day;
  35
  36         public boolean          selected;
  37
  38         public AltosEepromLog(AltosConfigData config_data,
  39                               AltosLink link,
  40                               int in_flight, int in_start_block,
  41                               int in_end_block)
  42                 throws InterruptedException, TimeoutException {
  43
  44                 int             block;
  45                 boolean         has_date = false;
  46
  47                 flight = in_flight;
  48                 if (flight != 0)
  49                         has_flight = true;
  50                 start_block = in_start_block;
  51                 end_block = in_end_block;
  52                 serial = config_data.serial;
  53
  54                 /*
  55                  * Select all flights for download
  56                  */
  57                 selected = true;
  58
  59                 /*
  60                  * Look in TeleMetrum log data for date
  61                  */
  62                 if (config_data.log_format == AltosLib.AO_LOG_FORMAT_UNKNOWN ||
  63                     config_data.log_format == AltosLib.AO_LOG_FORMAT_FULL)
  64                 {
  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(link, block, block == in_start_block);
  74
  75                                 for (int i = 0; i < AltosEepromChunk.chunk_size; i += AltosEepromRecord.record_length) {
  76                                         try {
  77                                                 AltosEepromRecord r = new AltosEepromRecord(eechunk, i);
  78
  79                                                 if (r.cmd == AltosLib.AO_LOG_FLIGHT) {
  80                                                         flight = r.b;
  81                                                         has_flight = true;
  82                                                 }
  83                                                 if (r.cmd == AltosLib.AO_LOG_GPS_DATE) {
  84                                                         year = 2000 + (r.a & 0xff);
  85                                                         month = (r.a >> 8) & 0xff;
  86                                                         day = (r.b & 0xff);
  87                                                         has_date = true;
  88                                                 }
  89                                         } catch (ParseException pe) {
  90                                         }
  91                                 }
  92                                 if (has_date && has_flight)
  93                                         break;
  94                         }
  95                 }
  96         }
  97 }