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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_4;
  19
  20 import java.io.*;
  21
  22 public class AltosFlightStats {
  23         public double           max_height;
  24         public double           max_gps_height;
  25         public double           max_speed;
  26         public double           max_acceleration;
  27         public double[] state_speed = new double[AltosLib.ao_flight_invalid + 1];
  28         public double[] state_accel = new double[AltosLib.ao_flight_invalid + 1];
  29         public int[]            state_count = new int[AltosLib.ao_flight_invalid + 1];
  30         public double[] state_start = new double[AltosLib.ao_flight_invalid + 1];
  31         public double[] state_end = new double[AltosLib.ao_flight_invalid + 1];
  32         public int              serial;
  33         public int              flight;
  34         public int              year, month, day;
  35         public int              hour, minute, second;
  36         public double           lat, lon;
  37         public double           pad_lat, pad_lon;
  38         public boolean          has_flight_data;
  39         public boolean          has_gps;
  40         public boolean          has_flight_adc;
  41         public boolean          has_battery;
  42         public boolean          has_rssi;
  43         public boolean          has_imu;
  44         public boolean          has_mag;
  45         public boolean          has_orient;
  46         public int              num_ignitor;
  47
  48         double landed_time(AltosStateIterable states) {
  49                 AltosState state = null;
  50
  51                 for (AltosState s : states) {
  52                         state = s;
  53                         if (state.state == AltosLib.ao_flight_landed)
  54                                 break;
  55                 }
  56
  57                 if (state == null)
  58                         return 0;
  59
  60                 double  landed_height = state.height();
  61
  62                 state = null;
  63
  64                 boolean above = true;
  65
  66                 double  landed_time = -1000;
  67
  68                 for (AltosState s : states) {
  69                         state = s;
  70
  71                         if (state.height() > landed_height + 10) {
  72                                 above = true;
  73                         } else {
  74                                 if (above && state.height() < landed_height + 2) {
  75                                         above = false;
  76                                         landed_time = state.time;
  77                                 }
  78                         }
  79                 }
  80                 if (landed_time == -1000)
  81                         landed_time = state.time;
  82                 return landed_time;
  83         }
  84
  85         double boost_time(AltosStateIterable states) {
  86                 double boost_time = AltosLib.MISSING;
  87                 AltosState      state = null;
  88
  89                 for (AltosState s : states) {
  90                         state = s;
  91                         if (state.acceleration() < 1)
  92                                 boost_time = state.time;
  93                         if (state.state >= AltosLib.ao_flight_boost && state.state <= AltosLib.ao_flight_landed)
  94                                 break;
  95                 }
  96                 if (state == null)
  97                         return 0;
  98
  99                 if (boost_time == AltosLib.MISSING)
 100                         boost_time = state.time;
 101                 return boost_time;
 102         }
 103
 104
 105         public AltosFlightStats(AltosStateIterable states) throws InterruptedException, IOException {
 106                 double          boost_time = boost_time(states);
 107                 double          end_time = 0;
 108                 double          landed_time = landed_time(states);
 109
 110                 year = month = day = AltosLib.MISSING;
 111                 hour = minute = second = AltosLib.MISSING;
 112                 serial = flight = AltosLib.MISSING;
 113                 lat = lon = AltosLib.MISSING;
 114                 has_flight_data = false;
 115                 has_gps = false;
 116                 has_flight_adc = false;
 117                 has_battery = false;
 118                 has_rssi = false;
 119                 has_imu = false;
 120                 has_mag = false;
 121                 has_orient = false;
 122                 for (AltosState state : states) {
 123                         if (serial == AltosLib.MISSING && state.serial != AltosLib.MISSING)
 124                                 serial = state.serial;
 125                         if (flight == AltosLib.MISSING && state.flight != AltosLib.MISSING)
 126                                 flight = state.flight;
 127                         if (state.battery_voltage != AltosLib.MISSING)
 128                                 has_battery = true;
 129                         if (state.main_voltage != AltosLib.MISSING)
 130                                 has_flight_adc = true;
 131                         if (state.rssi != AltosLib.MISSING)
 132                                 has_rssi = true;
 133                         end_time = state.time;
 134
 135                         if (state.pressure() != AltosLib.MISSING)
 136                                 has_flight_data = true;
 137
 138                         int state_id = state.state;
 139                         if (state.time >= boost_time && state_id < AltosLib.ao_flight_boost)
 140                                 state_id = AltosLib.ao_flight_boost;
 141                         if (state.time >= landed_time && state_id < AltosLib.ao_flight_landed)
 142                                 state_id = AltosLib.ao_flight_landed;
 143                         if (state.gps != null && state.gps.locked) {
 144                                 year = state.gps.year;
 145                                 month = state.gps.month;
 146                                 day = state.gps.day;
 147                                 hour = state.gps.hour;
 148                                 minute = state.gps.minute;
 149                                 second = state.gps.second;
 150                         }
 151                         max_height = state.max_height();
 152                         max_speed = state.max_speed();
 153                         max_acceleration = state.max_acceleration();
 154                         max_gps_height = state.max_gps_height();
 155
 156                         if (0 <= state_id && state_id < AltosLib.ao_flight_invalid) {
 157                                 double acceleration = state.acceleration();
 158                                 double speed = state.speed();
 159                                 if (acceleration != AltosLib.MISSING && speed != AltosLib.MISSING) {
 160                                         state_accel[state_id] += acceleration;
 161                                         state_speed[state_id] += speed;
 162                                         state_count[state_id]++;
 163                                 }
 164                                 if (state_start[state_id] == 0.0)
 165                                         state_start[state_id] = state.time;
 166                                 if (state_end[state_id] < state.time)
 167                                         state_end[state_id] = state.time;
 168                         }
 169                         if (state.pad_lat != AltosLib.MISSING) {
 170                                 pad_lat = state.pad_lat;
 171                                 pad_lon = state.pad_lon;
 172                         }
 173                         if (state.gps != null && state.gps.locked && state.gps.nsat >= 4) {
 174                                 lat = state.gps.lat;
 175                                 lon = state.gps.lon;
 176                                 has_gps = true;
 177                         }
 178                         if (state.imu != null)
 179                                 has_imu = true;
 180                         if (state.mag != null)
 181                                 has_mag = true;
 182                         if (state.orient() != AltosLib.MISSING)
 183                                 has_orient = true;
 184                         if (state.ignitor_voltage != null && state.ignitor_voltage.length > num_ignitor)
 185                                 num_ignitor = state.ignitor_voltage.length;
 186                 }
 187                 for (int s = AltosLib.ao_flight_startup; s <= AltosLib.ao_flight_landed; s++) {
 188                         if (state_count[s] > 0) {
 189                                 state_speed[s] /= state_count[s];
 190                                 state_accel[s] /= state_count[s];
 191                         } else {
 192                                 state_speed[s] = AltosLib.MISSING;
 193                                 state_accel[s] = AltosLib.MISSING;
 194                         }
 195                         if (state_start[s] == 0)
 196                                 state_start[s] = end_time;
 197                         if (state_end[s] == 0)
 198                                 state_end[s] = end_time;
 199                 }
 200         }
 201 }