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