git.gag.com Git - fw/altos/blob - altoslib/AltosEepromDownload.java

   1 /*
   2  * Copyright © 2010 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_9;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23 import java.util.concurrent.*;
  24
  25 public class AltosEepromDownload implements Runnable {
  26
  27         AltosLink               link;
  28         boolean                 remote;
  29         Thread                  eeprom_thread;
  30         AltosEepromMonitor      monitor;
  31
  32         boolean                 want_file;
  33         FileWriter              eeprom_file;
  34         LinkedList<String>      eeprom_pending;
  35
  36         AltosEepromList         flights;
  37         boolean                 success;
  38         String                  parse_errors;
  39         AltosState              state;
  40
  41         private void FlushPending() throws IOException {
  42                 for (String s : flights.config_data) {
  43                         eeprom_file.write(s);
  44                         eeprom_file.write('\n');
  45                 }
  46
  47                 for (String s : eeprom_pending)
  48                         eeprom_file.write(s);
  49         }
  50
  51         private void CheckFile(boolean force) throws IOException {
  52                 if (eeprom_file != null)
  53                         return;
  54                 if (force || (state.flight != 0 && want_file)) {
  55                         AltosFile               eeprom_name;
  56                         AltosGPS                gps = state.gps;
  57
  58                         if (gps != null &&
  59                             gps.year != AltosLib.MISSING &&
  60                             gps.month != AltosLib.MISSING &&
  61                             gps.day != AltosLib.MISSING)
  62                         {
  63                                 eeprom_name = new AltosFile(gps.year, gps.month, gps.day,
  64                                                             state.serial, state.flight, "eeprom");
  65                         } else
  66                                 eeprom_name = new AltosFile(state.serial, state.flight, "eeprom");
  67
  68                         eeprom_file = new FileWriter(eeprom_name);
  69                         if (eeprom_file != null) {
  70                                 monitor.set_filename(eeprom_name.getName());
  71                                 FlushPending();
  72                                 eeprom_pending = null;
  73                         }
  74                 }
  75         }
  76
  77         boolean                 done;
  78         int                     prev_state;
  79         int                     state_block;
  80
  81         void LogEeprom(AltosEeprom r) throws IOException {
  82                 if (r.cmd != AltosLib.AO_LOG_INVALID) {
  83                         String line = r.string();
  84                         if (eeprom_file != null)
  85                                 eeprom_file.write(line);
  86                         else
  87                                 eeprom_pending.add(line);
  88                 }
  89         }
  90
  91         void LogError(String error) {
  92                 if (parse_errors != null)
  93                         parse_errors.concat(error.concat("\n"));
  94                 else
  95                         parse_errors = error;
  96         }
  97
  98         void CaptureEeprom(AltosEepromChunk eechunk, int log_format) throws IOException, ParseException {
  99                 boolean any_valid = false;
 100                 boolean got_flight = false;
 101
 102                 int record_length = 8;
 103
 104                 state.set_serial(flights.config_data.serial);
 105                 monitor.set_serial(flights.config_data.serial);
 106
 107                 for (int i = 0; i < AltosEepromChunk.chunk_size && !done; i += record_length) {
 108                         AltosEeprom r = null;
 109
 110                         try {
 111                                 r = eechunk.eeprom(i, log_format, state);
 112                         } catch (ParseException pe) {
 113                                 LogError(pe.getMessage());
 114                                 r = null;
 115                         }
 116
 117                         if (r == null)
 118                                 continue;
 119
 120                         record_length = r.record_length();
 121
 122                         r.update_state(state);
 123
 124                         if (!got_flight && state.flight != AltosLib.MISSING)
 125                                 monitor.set_flight(state.flight);
 126
 127                         /* Monitor state transitions to update display */
 128                         if (state.state() != AltosLib.ao_flight_invalid &&
 129                             state.state() <= AltosLib.ao_flight_landed)
 130                         {
 131                                 if (state.state() > AltosLib.ao_flight_pad)
 132                                         want_file = true;
 133                                 if (state.state() == AltosLib.ao_flight_landed)
 134                                         done = true;
 135                         }
 136
 137                         if (state.gps != null)
 138                                 want_file = true;
 139
 140                         if (r.valid) {
 141                                 any_valid = true;
 142                                 LogEeprom(r);
 143                         }
 144                 }
 145                 if (!any_valid)
 146                         done = true;
 147
 148                 CheckFile(false);
 149         }
 150
 151         void CaptureLog(AltosEepromLog log) throws IOException, InterruptedException, TimeoutException, ParseException {
 152                 int                     block, state_block = 0;
 153                 int                     log_format = flights.config_data.log_format;
 154
 155                 state = new AltosState();
 156
 157                 done = false;
 158
 159                 if (flights.config_data.serial < 0)
 160                         throw new IOException("no serial number found");
 161
 162                 /* Reset per-capture variables */
 163                 want_file = false;
 164                 eeprom_pending = new LinkedList<String>();
 165
 166                 /* Set serial number in the monitor dialog window */
 167                 /* Now scan the eeprom, reading blocks of data and converting to .eeprom file form */
 168
 169                 state_block = log.start_block;
 170                 prev_state = AltosLib.ao_flight_startup;
 171                 for (block = log.start_block; !done && block < log.end_block; block++) {
 172                         AltosEepromChunk        eechunk = new AltosEepromChunk(link, block, block == log.start_block);
 173
 174                         /*
 175                          * Guess what kind of data is there if the device
 176                          * didn't tell us
 177                          */
 178
 179                         if (log_format == AltosLib.AO_LOG_FORMAT_UNKNOWN) {
 180                                 if (block == log.start_block) {
 181                                         if (eechunk.data(0) == AltosLib.AO_LOG_FLIGHT)
 182                                                 log_format = AltosLib.AO_LOG_FORMAT_FULL;
 183                                         else
 184                                                 log_format = AltosLib.AO_LOG_FORMAT_TINY;
 185                                 }
 186                         }
 187
 188                         CaptureEeprom (eechunk, log_format);
 189
 190                         if (state.state() != prev_state && state.state() != AltosLib.ao_flight_invalid) {
 191                                 state_block = block;
 192                                 prev_state = state.state();
 193                         }
 194
 195                         monitor.set_value(state.state_name(),
 196                                           state.state(),
 197                                           block - state_block,
 198                                           block - log.start_block);
 199                 }
 200                 CheckFile(true);
 201         }
 202
 203         public void run () {
 204                 try {
 205                         boolean failed = false;
 206                         if (remote)
 207                                 link.start_remote();
 208
 209                         for (AltosEepromLog log : flights) {
 210                                 parse_errors = null;
 211                                 if (log.selected) {
 212                                         monitor.reset();
 213                                         eeprom_file = null;
 214                                         try {
 215                                                 CaptureLog(log);
 216                                         } catch (ParseException e) {
 217                                                 LogError(e.getMessage());
 218                                         }
 219                                         if (eeprom_file != null) {
 220                                                 eeprom_file.flush();
 221                                                 eeprom_file.close();
 222                                         }
 223                                 }
 224                                 if (parse_errors != null) {
 225                                         failed = true;
 226                                         monitor.show_message(String.format("Flight %d download error. Valid log data saved\n%s",
 227                                                                            log.flight,
 228                                                                            parse_errors),
 229                                                              link.name,
 230                                                              AltosEepromMonitor.WARNING_MESSAGE);
 231                                 }
 232                         }
 233                         success = !failed;
 234                 } catch (IOException ee) {
 235                         monitor.show_message(ee.getLocalizedMessage(),
 236                                              link.name,
 237                                              AltosEepromMonitor.ERROR_MESSAGE);
 238                 } catch (InterruptedException ie) {
 239                         monitor.show_message(String.format("Connection to \"%s\" interrupted",
 240                                                            link.name),
 241                                              "Connection Interrupted",
 242                                              AltosEepromMonitor.ERROR_MESSAGE);
 243                 } catch (TimeoutException te) {
 244                         monitor.show_message(String.format("Connection to \"%s\" failed",
 245                                                            link.name),
 246                                              "Connection Failed",
 247                                              AltosEepromMonitor.ERROR_MESSAGE);
 248                 } finally {
 249                         if (remote) {
 250                                 try {
 251                                         link.stop_remote();
 252                                 } catch (InterruptedException ie) {
 253                                 }
 254                         }
 255                         link.flush_output();
 256                 }
 257                 monitor.done(success);
 258         }
 259
 260         public void start() {
 261                 eeprom_thread = new Thread(this);
 262                 monitor.set_thread(eeprom_thread);
 263                 eeprom_thread.start();
 264         }
 265
 266         public AltosEepromDownload(AltosEepromMonitor given_monitor,
 267                                    AltosLink given_link,
 268                                    boolean given_remote,
 269                                    AltosEepromList given_flights) {
 270
 271                 monitor = given_monitor;
 272                 link = given_link;
 273                 remote = given_remote;
 274                 flights = given_flights;
 275                 success = false;
 276
 277                 if (flights.config_data.log_has_state())
 278                         monitor.set_states(AltosLib.ao_flight_boost, AltosLib.ao_flight_landed);
 279                 else
 280                         monitor.set_states(AltosLib.ao_flight_invalid, AltosLib.ao_flight_invalid);
 281
 282                 monitor.start();
 283         }
 284 }