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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 altosui;
  19
  20 import java.io.*;
  21 import org.altusmetrum.altoslib_2.*;
  22
  23 public class AltosFlightStats {
  24         double          max_height;
  25         double          max_speed;
  26         double          max_acceleration;
  27         double[]        state_speed = new double[Altos.ao_flight_invalid + 1];
  28         double[]        state_accel = new double[Altos.ao_flight_invalid + 1];
  29         int[]           state_count = new int[Altos.ao_flight_invalid + 1];
  30         double[]        state_start = new double[Altos.ao_flight_invalid + 1];
  31         double[]        state_end = new double[Altos.ao_flight_invalid + 1];
  32         int             serial;
  33         int             flight;
  34         int             year, month, day;
  35         int             hour, minute, second;
  36         double          lat, lon;
  37         double          pad_lat, pad_lon;
  38         boolean         has_gps;
  39         boolean         has_other_adc;
  40         boolean         has_rssi;
  41         boolean         has_imu;
  42         boolean         has_mag;
  43         boolean         has_orient;
  44
  45         double landed_time(AltosStateIterable states) {
  46                 AltosState state = null;
  47
  48                 for (AltosState s : states) {
  49                         state = s;
  50                         if (state.state == Altos.ao_flight_landed)
  51                                 break;
  52                 }
  53
  54                 if (state == null)
  55                         return 0;
  56
  57                 double  landed_height = state.height();
  58
  59                 state = null;
  60
  61                 boolean above = true;
  62
  63                 double  landed_time = -1000;
  64
  65                 for (AltosState s : states) {
  66                         state = s;
  67
  68                         if (state.height() > landed_height + 10) {
  69                                 above = true;
  70                         } else {
  71                                 if (above && state.height() < landed_height + 2) {
  72                                         above = false;
  73                                         landed_time = state.time;
  74                                 }
  75                         }
  76                 }
  77                 if (landed_time == -1000)
  78                         landed_time = state.time;
  79                 return landed_time;
  80         }
  81
  82         double boost_time(AltosStateIterable states) {
  83                 double boost_time = AltosLib.MISSING;
  84                 AltosState      state = null;
  85
  86                 for (AltosState s : states) {
  87                         state = s;
  88                         if (state.acceleration() < 1)
  89                                 boost_time = state.time;
  90                         if (state.state >= AltosLib.ao_flight_boost && state.state <= AltosLib.ao_flight_landed)
  91                                 break;
  92                 }
  93                 if (state == null)
  94                         return 0;
  95
  96                 if (boost_time == AltosLib.MISSING)
  97                         boost_time = state.time;
  98                 return boost_time;
  99         }
 100
 101
 102         public AltosFlightStats(AltosStateIterable states) throws InterruptedException, IOException {
 103                 double          boost_time = boost_time(states);
 104                 double          end_time = 0;
 105                 double          landed_time = landed_time(states);
 106
 107                 year = month = day = AltosLib.MISSING;
 108                 hour = minute = second = AltosLib.MISSING;
 109                 serial = flight = AltosLib.MISSING;
 110                 lat = lon = AltosLib.MISSING;
 111                 has_gps = false;
 112                 has_other_adc = false;
 113                 has_rssi = false;
 114                 has_imu = false;
 115                 has_mag = false;
 116                 has_orient = false;
 117                 for (AltosState state : states) {
 118                         if (serial == AltosLib.MISSING && state.serial != AltosLib.MISSING)
 119                                 serial = state.serial;
 120                         if (flight == AltosLib.MISSING && state.flight != AltosLib.MISSING)
 121                                 flight = state.flight;
 122                         if (state.battery_voltage != AltosLib.MISSING)
 123                                 has_other_adc = true;
 124                         if (state.rssi != AltosLib.MISSING)
 125                                 has_rssi = true;
 126                         end_time = state.time;
 127
 128                         int state_id = state.state;
 129                         if (state.time >= boost_time && state_id < Altos.ao_flight_boost)
 130                                 state_id = Altos.ao_flight_boost;
 131                         if (state.time >= landed_time && state_id < Altos.ao_flight_landed)
 132                                 state_id = Altos.ao_flight_landed;
 133                         if (state.gps != null && state.gps.locked) {
 134                                 year = state.gps.year;
 135                                 month = state.gps.month;
 136                                 day = state.gps.day;
 137                                 hour = state.gps.hour;
 138                                 minute = state.gps.minute;
 139                                 second = state.gps.second;
 140                         }
 141                         if (0 <= state_id && state_id < Altos.ao_flight_invalid) {
 142                                 double acceleration = state.acceleration();
 143                                 double speed = state.speed();
 144                                 if (acceleration != AltosLib.MISSING && speed != AltosLib.MISSING) {
 145                                         state_accel[state_id] += acceleration;
 146                                         state_speed[state_id] += speed;
 147                                         state_count[state_id]++;
 148                                 }
 149                                 if (state_start[state_id] == 0.0)
 150                                         state_start[state_id] = state.time;
 151                                 if (state_end[state_id] < state.time)
 152                                         state_end[state_id] = state.time;
 153                                 max_height = state.max_height();
 154                                 max_speed = state.max_speed();
 155                                 max_acceleration = state.max_acceleration();
 156                         }
 157                         if (state.gps != null && state.gps.locked && state.gps.nsat >= 4) {
 158                                 if (state_id <= Altos.ao_flight_pad) {
 159                                         pad_lat = state.gps.lat;
 160                                         pad_lon = state.gps.lon;
 161                                 }
 162                                 lat = state.gps.lat;
 163                                 lon = state.gps.lon;
 164                                 has_gps = true;
 165                         }
 166                         if (state.imu != null)
 167                                 has_imu = true;
 168                         if (state.mag != null)
 169                                 has_mag = true;
 170                         if (state.orient() != AltosLib.MISSING)
 171                                 has_orient = true;
 172                 }
 173                 for (int s = Altos.ao_flight_startup; s <= Altos.ao_flight_landed; s++) {
 174                         if (state_count[s] > 0) {
 175                                 state_speed[s] /= state_count[s];
 176                                 state_accel[s] /= state_count[s];
 177                         }
 178                         if (state_start[s] == 0)
 179                                 state_start[s] = end_time;
 180                         if (state_end[s] == 0)
 181                                 state_end[s] = end_time;
 182                 }
 183         }
 184 }