git.gag.com Git - fw/altos/blob - altoslib/AltosEepromList.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_13;
  20
  21 import java.io.*;
  22 import java.util.*;
  23 import java.text.*;
  24 import java.util.concurrent.*;
  25
  26 /*
  27  * Temporary structure to hold the list of stored flights;
  28  * each of these will be queried in turn to generate more
  29  * complete information
  30  */
  31
  32 class AltosEepromFlight {
  33         int     flight;
  34         int     start;
  35         int     end;
  36
  37         public AltosEepromFlight(int in_flight, int in_start, int in_end) {
  38                 flight = in_flight;
  39                 start = in_start;
  40                 end = in_end;
  41         }
  42 }
  43
  44 /*
  45  * Construct a list of flights available in a connected device
  46  */
  47
  48 public class AltosEepromList extends ArrayList<AltosEepromLog> {
  49         public AltosConfigData  config_data;
  50
  51         public AltosEepromList (AltosLink link, boolean remote)
  52                 throws IOException, InterruptedException, TimeoutException
  53         {
  54                 try {
  55                         if (remote)
  56                                 link.start_remote();
  57                         config_data = new AltosConfigData (link);
  58 //                      if (config_data.serial == 0)
  59 //                              throw new IOException("no serial number found");
  60
  61                         ArrayList<AltosEepromFlight> flights = new ArrayList<AltosEepromFlight>();
  62
  63                         if (config_data.flight_log_max != 0 || config_data.log_format != 0) {
  64
  65                                 /* Devices with newer firmware will support the 'l'
  66                                  * command which will list the region of storage
  67                                  * occupied by each available flight
  68                                  */
  69                                 link.printf("l\n");
  70                                 for (;;) {
  71                                         String line = link.get_reply(5000);
  72                                         if (line == null)
  73                                                 throw new TimeoutException();
  74                                         if (line.contains("done"))
  75                                                 break;
  76                                         if (line.contains("Syntax"))
  77                                                 continue;
  78                                         String[] tokens = line.split("\\s+");
  79                                         if (tokens.length < 6)
  80                                                 break;
  81
  82                                         int     flight = -1, start = -1, end = -1;
  83                                         try {
  84                                                 if (tokens[0].equals("flight"))
  85                                                         flight = AltosParse.parse_int(tokens[1]);
  86                                                 if (tokens[2].equals("start"))
  87                                                         start = AltosParse.parse_hex(tokens[3]);
  88                                                 if (tokens[4].equals("end"))
  89                                                         end = AltosParse.parse_hex(tokens[5]);
  90                                                 if (flight != 0 && start >= 0 && end > 0)
  91                                                         flights.add(new AltosEepromFlight(flight, start, end));
  92                                         } catch (ParseException pe) { System.out.printf("Parse error %s\n", pe.toString()); }
  93                                 }
  94                         } else {
  95
  96                                 /* Older devices will hold only a single
  97                                  * flight. This also assumes that any older
  98                                  * device will have a 1MB flash device
  99                                  */
 100                                 flights.add(new AltosEepromFlight(0, 0, 0xfff));
 101                         }
 102
 103                         /* With the list of flights collected, collect more complete
 104                          * information on them by reading the first block or two of
 105                          * data. This will add GPS coordinates and a date. For older
 106                          * firmware, this will also extract the flight number.
 107                          */
 108                         for (AltosEepromFlight flight : flights) {
 109                                 add(new AltosEepromLog(config_data, link,
 110                                                        flight.flight, flight.start, flight.end));
 111                         }
 112                 } finally {
 113                         if (remote)
 114                                 link.stop_remote();
 115                         link.flush_output();
 116                 }
 117         }
 118 }