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   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.io.*;
  22 import java.util.*;
  23 import java.text.*;
  24
  25 public class AltosEepromMetrum2 extends AltosEeprom {
  26         public static final int record_length = 16;
  27
  28         public int record_length() { return record_length; }
  29
  30         /* AO_LOG_FLIGHT elements */
  31         public int flight() { return data16(0); }
  32         public int ground_accel() { return data16(2); }
  33         public int ground_pres() { return data32(4); }
  34         public int ground_temp() { return data32(8); }
  35
  36         /* AO_LOG_STATE elements */
  37         public int state() { return data16(0); }
  38         public int reason() { return data16(2); }
  39
  40         /* AO_LOG_SENSOR elements */
  41         public int pres() { return data32(0); }
  42         public int temp() { return data32(4); }
  43         public int accel() { return data16(8); }
  44
  45         /* AO_LOG_TEMP_VOLT elements */
  46         public int v_batt() { return data16(0); }
  47         public int sense_a() { return data16(2); }
  48         public int sense_m() { return data16(4); }
  49
  50         /* AO_LOG_GPS_POS elements */
  51         public int latitude() { return data32(0); }
  52         public int longitude() { return data32(4); }
  53         public int altitude_low() { return data16(8); }
  54         public int altitude_high() { return data16(10); }
  55
  56         /* AO_LOG_GPS_TIME elements */
  57         public int hour() { return data8(0); }
  58         public int minute() { return data8(1); }
  59         public int second() { return data8(2); }
  60         public int flags() { return data8(3); }
  61         public int year() { return data8(4); }
  62         public int month() { return data8(5); }
  63         public int day() { return data8(6); }
  64         public int pdop() { return data8(7); }
  65
  66         /* AO_LOG_GPS_SAT elements */
  67         public int nsat() { return data8(0); }
  68         public int more() { return data8(1); }
  69         public int svid(int n) { return data8(2 + n * 2); }
  70         public int c_n(int n) { return data8(2 + n * 2 + 1); }
  71
  72         public AltosEepromMetrum2 (AltosEepromChunk chunk, int start) throws ParseException {
  73                 parse_chunk(chunk, start);
  74         }
  75
  76         public void update_state(AltosState state) {
  77                 super.update_state(state);
  78
  79                 AltosGPS        gps;
  80
  81                 /* Flush any pending GPS changes */
  82                 if (state.gps_pending) {
  83                         switch (cmd) {
  84                         case AltosLib.AO_LOG_GPS_POS:
  85                         case AltosLib.AO_LOG_GPS_LAT:
  86                         case AltosLib.AO_LOG_GPS_LON:
  87                         case AltosLib.AO_LOG_GPS_ALT:
  88                         case AltosLib.AO_LOG_GPS_SAT:
  89                         case AltosLib.AO_LOG_GPS_DATE:
  90                                 break;
  91                         default:
  92                                 state.set_temp_gps();
  93                                 break;
  94                         }
  95                 }
  96
  97                 switch (cmd) {
  98                 case AltosLib.AO_LOG_FLIGHT:
  99                         state.set_flight(flight());
 100                         state.set_ground_accel(ground_accel());
 101                         state.set_ground_pressure(ground_pres());
 102 //                      state.set_temperature(ground_temp() / 100.0);
 103                         break;
 104                 case AltosLib.AO_LOG_STATE:
 105                         state.set_state(state());
 106                         break;
 107                 case AltosLib.AO_LOG_SENSOR:
 108                         state.set_ms5607(pres(), temp());
 109                         state.set_accel(accel());
 110
 111                         break;
 112                 case AltosLib.AO_LOG_TEMP_VOLT:
 113                         state.set_battery_voltage(AltosConvert.mega_battery_voltage(v_batt()));
 114
 115                         state.set_apogee_voltage(AltosConvert.mega_pyro_voltage(sense_a()));
 116                         state.set_main_voltage(AltosConvert.mega_pyro_voltage(sense_m()));
 117
 118                         break;
 119                 case AltosLib.AO_LOG_GPS_POS:
 120                         gps = state.make_temp_gps(false);
 121                         gps.lat = latitude() / 1e7;
 122                         gps.lon = longitude() / 1e7;
 123                         if (state.altitude_32())
 124                                 gps.alt = (altitude_low() & 0xffff) | (altitude_high() << 16);
 125                         else
 126                                 gps.alt = altitude_low();
 127                         break;
 128                 case AltosLib.AO_LOG_GPS_TIME:
 129                         gps = state.make_temp_gps(false);
 130
 131                         gps.hour = hour();
 132                         gps.minute = minute();
 133                         gps.second = second();
 134
 135                         int flags = flags();
 136
 137                         gps.connected = (flags & AltosLib.AO_GPS_RUNNING) != 0;
 138                         gps.locked = (flags & AltosLib.AO_GPS_VALID) != 0;
 139                         gps.nsat = (flags & AltosLib.AO_GPS_NUM_SAT_MASK) >>
 140                                 AltosLib.AO_GPS_NUM_SAT_SHIFT;
 141
 142                         gps.year = 2000 + year();
 143                         gps.month = month();
 144                         gps.day = day();
 145                         gps.pdop = pdop() / 10.0;
 146                         break;
 147                 case AltosLib.AO_LOG_GPS_SAT:
 148                         gps = state.make_temp_gps(true);
 149
 150                         int n = nsat();
 151                         for (int i = 0; i < n; i++)
 152                                 gps.add_sat(svid(i), c_n(i));
 153                         break;
 154                 }
 155         }
 156
 157         public AltosEepromMetrum2 (String line) {
 158                 parse_string(line);
 159         }
 160
 161         static public LinkedList<AltosEeprom> read(FileInputStream input) {
 162                 LinkedList<AltosEeprom> metrums = new LinkedList<AltosEeprom>();
 163
 164                 for (;;) {
 165                         try {
 166                                 String line = AltosLib.gets(input);
 167                                 if (line == null)
 168                                         break;
 169                                 try {
 170                                         AltosEepromMetrum2 metrum = new AltosEepromMetrum2(line);
 171
 172                                         if (metrum.cmd != AltosLib.AO_LOG_INVALID)
 173                                                 metrums.add(metrum);
 174                                 } catch (Exception e) {
 175                                         System.out.printf ("exception\n");
 176                                 }
 177                         } catch (IOException ie) {
 178                                 break;
 179                         }
 180                 }
 181
 182                 return metrums;
 183         }
 184 }