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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; 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_8;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23
  24 public class AltosEepromMetrum2 extends AltosEeprom {
  25         public static final int record_length = 16;
  26
  27         public int record_length() { return record_length; }
  28
  29         /* AO_LOG_FLIGHT elements */
  30         public int flight() { return data16(0); }
  31         public int ground_accel() { return data16(2); }
  32         public int ground_pres() { return data32(4); }
  33         public int ground_temp() { return data32(8); }
  34
  35         /* AO_LOG_STATE elements */
  36         public int state() { return data16(0); }
  37         public int reason() { return data16(2); }
  38
  39         /* AO_LOG_SENSOR elements */
  40         public int pres() { return data32(0); }
  41         public int temp() { return data32(4); }
  42         public int accel() { return data16(8); }
  43
  44         /* AO_LOG_TEMP_VOLT elements */
  45         public int v_batt() { return data16(0); }
  46         public int sense_a() { return data16(2); }
  47         public int sense_m() { return data16(4); }
  48
  49         /* AO_LOG_GPS_POS elements */
  50         public int latitude() { return data32(0); }
  51         public int longitude() { return data32(4); }
  52         public int altitude_low() { return data16(8); }
  53         public int altitude_high() { return data16(10); }
  54
  55         /* AO_LOG_GPS_TIME elements */
  56         public int hour() { return data8(0); }
  57         public int minute() { return data8(1); }
  58         public int second() { return data8(2); }
  59         public int flags() { return data8(3); }
  60         public int year() { return data8(4); }
  61         public int month() { return data8(5); }
  62         public int day() { return data8(6); }
  63         public int pdop() { return data8(7); }
  64
  65         /* AO_LOG_GPS_SAT elements */
  66         public int nsat() { return data8(0); }
  67         public int more() { return data8(1); }
  68         public int svid(int n) { return data8(2 + n * 2); }
  69         public int c_n(int n) { return data8(2 + n * 2 + 1); }
  70
  71         public AltosEepromMetrum2 (AltosEepromChunk chunk, int start) throws ParseException {
  72                 parse_chunk(chunk, start);
  73         }
  74
  75         public void update_state(AltosState state) {
  76                 super.update_state(state);
  77
  78                 AltosGPS        gps;
  79
  80                 /* Flush any pending GPS changes */
  81                 if (state.gps_pending) {
  82                         switch (cmd) {
  83                         case AltosLib.AO_LOG_GPS_POS:
  84                         case AltosLib.AO_LOG_GPS_LAT:
  85                         case AltosLib.AO_LOG_GPS_LON:
  86                         case AltosLib.AO_LOG_GPS_ALT:
  87                         case AltosLib.AO_LOG_GPS_SAT:
  88                         case AltosLib.AO_LOG_GPS_DATE:
  89                                 break;
  90                         default:
  91                                 state.set_temp_gps();
  92                                 break;
  93                         }
  94                 }
  95
  96                 switch (cmd) {
  97                 case AltosLib.AO_LOG_FLIGHT:
  98                         state.set_flight(flight());
  99                         state.set_ground_accel(ground_accel());
 100                         state.set_ground_pressure(ground_pres());
 101 //                      state.set_temperature(ground_temp() / 100.0);
 102                         break;
 103                 case AltosLib.AO_LOG_STATE:
 104                         state.set_state(state());
 105                         break;
 106                 case AltosLib.AO_LOG_SENSOR:
 107                         state.set_ms5607(pres(), temp());
 108                         state.set_accel(accel());
 109
 110                         break;
 111                 case AltosLib.AO_LOG_TEMP_VOLT:
 112                         state.set_battery_voltage(AltosConvert.mega_battery_voltage(v_batt()));
 113
 114                         state.set_apogee_voltage(AltosConvert.mega_pyro_voltage(sense_a()));
 115                         state.set_main_voltage(AltosConvert.mega_pyro_voltage(sense_m()));
 116
 117                         break;
 118                 case AltosLib.AO_LOG_GPS_POS:
 119                         gps = state.make_temp_gps(false);
 120                         gps.lat = latitude() / 1e7;
 121                         gps.lon = longitude() / 1e7;
 122                         if (state.altitude_32())
 123                                 gps.alt = (altitude_low() & 0xffff) | (altitude_high() << 16);
 124                         else
 125                                 gps.alt = altitude_low();
 126                         break;
 127                 case AltosLib.AO_LOG_GPS_TIME:
 128                         gps = state.make_temp_gps(false);
 129
 130                         gps.hour = hour();
 131                         gps.minute = minute();
 132                         gps.second = second();
 133
 134                         int flags = flags();
 135
 136                         gps.connected = (flags & AltosLib.AO_GPS_RUNNING) != 0;
 137                         gps.locked = (flags & AltosLib.AO_GPS_VALID) != 0;
 138                         gps.nsat = (flags & AltosLib.AO_GPS_NUM_SAT_MASK) >>
 139                                 AltosLib.AO_GPS_NUM_SAT_SHIFT;
 140
 141                         gps.year = 2000 + year();
 142                         gps.month = month();
 143                         gps.day = day();
 144                         gps.pdop = pdop() / 10.0;
 145                         break;
 146                 case AltosLib.AO_LOG_GPS_SAT:
 147                         gps = state.make_temp_gps(true);
 148
 149                         int n = nsat();
 150                         for (int i = 0; i < n; i++)
 151                                 gps.add_sat(svid(i), c_n(i));
 152                         break;
 153                 }
 154         }
 155
 156         public AltosEepromMetrum2 (String line) {
 157                 parse_string(line);
 158         }
 159
 160         static public LinkedList<AltosEeprom> read(FileInputStream input) {
 161                 LinkedList<AltosEeprom> metrums = new LinkedList<AltosEeprom>();
 162
 163                 for (;;) {
 164                         try {
 165                                 String line = AltosLib.gets(input);
 166                                 if (line == null)
 167                                         break;
 168                                 try {
 169                                         AltosEepromMetrum2 metrum = new AltosEepromMetrum2(line);
 170
 171                                         if (metrum.cmd != AltosLib.AO_LOG_INVALID)
 172                                                 metrums.add(metrum);
 173                                 } catch (Exception e) {
 174                                         System.out.printf ("exception\n");
 175                                 }
 176                         } catch (IOException ie) {
 177                                 break;
 178                         }
 179                 }
 180
 181                 return metrums;
 182         }
 183 }