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   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 altosui;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import javax.swing.filechooser.FileNameExtensionFilter;
  24 import javax.swing.table.*;
  25 import java.io.*;
  26 import java.util.*;
  27 import java.text.*;
  28 import java.util.prefs.*;
  29 import java.util.concurrent.LinkedBlockingQueue;
  30
  31 import altosui.AltosRecord;
  32 import altosui.AltosState;
  33 import altosui.AltosDeviceDialog;
  34 import altosui.AltosPreferences;
  35 import altosui.AltosLog;
  36 import altosui.AltosVoice;
  37 import altosui.AltosEepromMonitor;
  38
  39 /*
  40  * AltosRecords with an index field so they can be sorted by tick while preserving
  41  * the original ordering for elements with matching ticks
  42  */
  43 class AltosOrderedRecord extends AltosEepromRecord implements Comparable<AltosOrderedRecord> {
  44
  45         int     index;
  46
  47         public AltosOrderedRecord(String line, int in_index, int prev_tick)
  48                 throws ParseException {
  49                 super(line);
  50                 int new_tick = tick | (prev_tick & ~0xffff);
  51                 if (new_tick < prev_tick) {
  52                         if (prev_tick - new_tick > 0x8000)
  53                                 new_tick += 0x10000;
  54                 }
  55                 tick = new_tick;
  56                 index = in_index;
  57         }
  58
  59         public int compareTo(AltosOrderedRecord o) {
  60                 int     tick_diff = tick - o.tick;
  61                 if (tick_diff != 0)
  62                         return tick_diff;
  63                 return index - o.index;
  64         }
  65 }
  66
  67 public class AltosEepromReader {
  68
  69         static final int        seen_flight = 1;
  70         static final int        seen_sensor = 2;
  71         static final int        seen_temp_volt = 4;
  72         static final int        seen_deploy = 8;
  73         static final int        seen_gps_time = 16;
  74         static final int        seen_gps_lat = 32;
  75         static final int        seen_gps_lon = 64;
  76
  77         static final int        seen_basic = seen_flight|seen_sensor|seen_temp_volt|seen_deploy;
  78
  79         AltosRecord             state;
  80         AltosOrderedRecord      record;
  81
  82         TreeSet<AltosOrderedRecord>     records;
  83
  84         Iterator<AltosOrderedRecord>                    record_iterator;
  85
  86         int                     seen;
  87
  88         int                     index;
  89
  90         boolean                 last_reported;
  91
  92         double                  ground_pres;
  93         double                  ground_accel;
  94
  95         int                     n_pad_samples;
  96
  97         int                     gps_tick;
  98
  99         FileInputStream input;
 100
 101         public AltosRecord read() throws IOException, ParseException {
 102                 for (;;) {
 103                         if (record == null) {
 104                                 if (!record_iterator.hasNext()) {
 105                                         if (last_reported)
 106                                                 return null;
 107                                         last_reported = true;
 108                                         return state;
 109                                 }
 110                                 record = record_iterator.next();
 111
 112                                 if ((seen & seen_basic) == seen_basic && record.tick != state.tick)
 113                                         return new AltosRecord(state);
 114                         }
 115
 116                         state.tick = record.tick;
 117                         switch (record.cmd) {
 118                         case Altos.AO_LOG_FLIGHT:
 119                                 state.ground_accel = record.a;
 120                                 state.flight = record.b;
 121                                 seen |= seen_flight;
 122                                 break;
 123                         case Altos.AO_LOG_SENSOR:
 124                                 state.accel = record.a;
 125                                 state.pres = record.b;
 126                                 if (state.state < Altos.ao_flight_boost) {
 127                                         n_pad_samples++;
 128                                         ground_pres += state.pres;
 129                                         state.ground_pres = (int) (ground_pres / n_pad_samples);
 130                                         state.flight_pres = state.ground_pres;
 131                                         System.out.printf("ground pressure %d altitude %f\n",
 132                                                           record.b, state.altitude());
 133                                         ground_accel += state.accel;
 134                                         state.ground_accel = (int) (ground_accel / n_pad_samples);
 135                                         state.flight_accel = state.ground_accel;
 136                                 } else {
 137                                         state.flight_pres = (state.flight_pres * 15 + state.pres) / 16;
 138                                         state.flight_accel = (state.flight_accel * 15 + state.accel) / 16;
 139                                         state.flight_vel += (state.accel_plus_g - state.accel);
 140                                 }
 141                                 seen |= seen_sensor;
 142                                 break;
 143                         case Altos.AO_LOG_TEMP_VOLT:
 144                                 state.temp = record.a;
 145                                 state.batt = record.b;
 146                                 seen |= seen_temp_volt;
 147                                 break;
 148                         case Altos.AO_LOG_DEPLOY:
 149                                 state.drogue = record.a;
 150                                 state.main = record.b;
 151                                 seen |= seen_deploy;
 152                                 break;
 153                         case Altos.AO_LOG_STATE:
 154                                 System.out.printf("state %d\n", record.a);
 155                                 state.state = record.a;
 156                                 break;
 157                         case Altos.AO_LOG_GPS_TIME:
 158                                 gps_tick = state.tick;
 159                                 state.gps = new AltosGPS();
 160                                 state.gps.hour = (record.a & 0xff);
 161                                 state.gps.minute = (record.a >> 8);
 162                                 state.gps.second = (record.b & 0xff);
 163                                 int flags = (record.b >> 8);
 164                                 state.gps.connected = (flags & Altos.AO_GPS_RUNNING) != 0;
 165                                 state.gps.locked = (flags & Altos.AO_GPS_VALID) != 0;
 166                                 state.gps.date_valid = (flags & Altos.AO_GPS_DATE_VALID) != 0;
 167                                 state.gps.nsat = (flags & Altos.AO_GPS_NUM_SAT_MASK) >>
 168                                         Altos.AO_GPS_NUM_SAT_SHIFT;
 169                                 break;
 170                         case Altos.AO_LOG_GPS_LAT:
 171                                 int lat32 = record.a | (record.b << 16);
 172                                 state.gps.lat = (double) lat32 / 1e7;
 173                                 break;
 174                         case Altos.AO_LOG_GPS_LON:
 175                                 int lon32 = record.a | (record.b << 16);
 176                                 state.gps.lon = (double) lon32 / 1e7;
 177                                 break;
 178                         case Altos.AO_LOG_GPS_ALT:
 179                                 state.gps.alt = record.a;
 180                                 break;
 181                         case Altos.AO_LOG_GPS_SAT:
 182                                 if (state.tick == gps_tick) {
 183                                         int svid = record.a;
 184                                         int c_n0 = record.b >> 8;
 185                                         state.gps.add_sat(svid, c_n0);
 186                                 }
 187                                 break;
 188                         case Altos.AO_LOG_GPS_DATE:
 189                                 state.gps.year = record.a & 0xff;
 190                                 state.gps.month = record.a >> 8;
 191                                 state.gps.day = record.b & 0xff;
 192                                 break;
 193
 194                         case Altos.AO_LOG_CONFIG_VERSION:
 195                                 break;
 196                         case Altos.AO_LOG_MAIN_DEPLOY:
 197                                 break;
 198                         case Altos.AO_LOG_APOGEE_DELAY:
 199                                 break;
 200                         case Altos.AO_LOG_RADIO_CHANNEL:
 201                                 break;
 202                         case Altos.AO_LOG_CALLSIGN:
 203                                 state.callsign = record.data;
 204                                 break;
 205                         case Altos.AO_LOG_ACCEL_CAL:
 206                                 state.accel_plus_g = record.a;
 207                                 state.accel_minus_g = record.b;
 208                                 break;
 209                         case Altos.AO_LOG_RADIO_CAL:
 210                                 break;
 211                         case Altos.AO_LOG_MANUFACTURER:
 212                                 break;
 213                         case Altos.AO_LOG_PRODUCT:
 214                                 break;
 215                         case Altos.AO_LOG_SERIAL_NUMBER:
 216                                 break;
 217                         case Altos.AO_LOG_SOFTWARE_VERSION:
 218                                 break;
 219                         }
 220                         record = null;
 221                 }
 222         }
 223
 224         /*
 225          * Read the whole file, dumping records into a RB tree so
 226          * we can enumerate them in time order -- the eeprom data
 227          * are sometimes out of order with GPS data getting timestamps
 228          * matching the first packet out of the GPS unit but not
 229          * written until the final GPS packet has been received.
 230          */
 231         public AltosEepromReader (FileInputStream in_input) {
 232                 state = new AltosRecord();
 233                 state.state = Altos.ao_flight_pad;
 234                 state.accel_plus_g = 15758;
 235                 state.accel_minus_g = 16294;
 236                 input = in_input;
 237                 seen = 0;
 238                 records = new TreeSet<AltosOrderedRecord>();
 239
 240                 int index = 0;
 241                 int tick = 0;
 242
 243                 try {
 244                         for (;;) {
 245                                 String line = AltosRecord.gets(input);
 246                                 if (line == null)
 247                                         break;
 248                                 AltosOrderedRecord record = new AltosOrderedRecord(line, index++, tick);
 249                                 if (record == null)
 250                                         break;
 251                                 tick = record.tick;
 252                                 records.add(record);
 253                         }
 254                 } catch (IOException io) {
 255                 } catch (ParseException pe) {
 256                 }
 257                 record_iterator = records.iterator();
 258         }
 259 }