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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_14;
  20
  21 import java.io.*;
  22
  23 public class AltosFlightStats {
  24         public double           max_height;
  25         public double           max_gps_height;
  26         public double           max_speed;
  27         public double           max_acceleration;
  28         public double[]         state_speed = new double[AltosLib.ao_flight_invalid + 1];
  29         public double[]         state_enter_speed = new double[AltosLib.ao_flight_invalid + 1];
  30         public double[]         state_enter_height = new double[AltosLib.ao_flight_invalid + 1];
  31         public double[]         state_enter_gps_height = new double[AltosLib.ao_flight_invalid + 1];
  32         public double[]         state_accel = new double[AltosLib.ao_flight_invalid + 1];
  33         public double[]         state_time = new double[AltosLib.ao_flight_invalid + 1];
  34         public String           product;
  35         public String           firmware_version;
  36         public int              serial;
  37         public int              flight;
  38         public int              year, month, day;
  39         public int              hour, minute, second;
  40         public double           boost_time;
  41         public double           landed_time;
  42         public double           lat, lon;
  43         public double           pad_lat, pad_lon;
  44         public boolean          has_flight_data;
  45         public boolean          has_gps;
  46         public boolean          has_gps_sats;
  47         public boolean          has_gps_detail;
  48         public boolean          has_flight_adc;
  49         public boolean          has_battery;
  50         public boolean          has_rssi;
  51         public boolean          has_imu;
  52         public boolean          has_mag;
  53         public boolean          has_orient;
  54         public int              num_igniter;
  55
  56         double landed_time(AltosFlightSeries series) {
  57                 double  landed_state_time = AltosLib.MISSING;
  58
  59                 double  prev_state_time = AltosLib.MISSING;
  60                 if (series.state_series != null) {
  61                         for (AltosTimeValue state : series.state_series) {
  62                                 if (state.value == AltosLib.ao_flight_landed) {
  63                                         landed_state_time = state.time;
  64                                         break;
  65                                 } else {
  66                                         prev_state_time = state.time;
  67                                 }
  68                         }
  69                 }
  70
  71                 if (landed_state_time == AltosLib.MISSING && series.height_series != null)
  72                         landed_state_time = series.height_series.get(series.height_series.size()-1).time;
  73
  74                 double landed_height = AltosLib.MISSING;
  75
  76                 if (series.height_series != null) {
  77                         for (AltosTimeValue height : series.height_series) {
  78                                 landed_height = height.value;
  79                                 if (height.time >= landed_state_time)
  80                                         break;
  81                         }
  82                 }
  83
  84                 if (landed_height == AltosLib.MISSING)
  85                         return AltosLib.MISSING;
  86
  87                 boolean above = true;
  88
  89                 double  landed_time = AltosLib.MISSING;
  90
  91                 if (series.height_series != null) {
  92                         for (AltosTimeValue height : series.height_series) {
  93                                 if (height.value > landed_height + 10) {
  94                                         above = true;
  95                                 } else {
  96                                         if (above && Math.abs(height.value - landed_height) < 2) {
  97                                                 above = false;
  98                                                 landed_time = height.time;
  99                                         }
 100                                 }
 101                         }
 102                 }
 103
 104                 if (landed_time == AltosLib.MISSING || (prev_state_time != AltosLib.MISSING && landed_time < prev_state_time))
 105                         landed_time = landed_state_time;
 106                 return landed_time;
 107         }
 108
 109         double boost_time(AltosFlightSeries series) {
 110                 double          boost_time = AltosLib.MISSING;
 111                 double          boost_state_time = AltosLib.MISSING;
 112
 113                 if (series.state_series != null) {
 114                         for (AltosTimeValue state : series.state_series) {
 115                                 if (state.value >= AltosLib.ao_flight_boost && state.value <= AltosLib.ao_flight_landed) {
 116                                         boost_state_time = state.time;
 117                                         break;
 118                                 }
 119                         }
 120                 }
 121                 if (series.accel_series != null) {
 122                         for (AltosTimeValue accel : series.accel_series) {
 123                                 if (accel.value < 1)
 124                                         boost_time = accel.time;
 125                                 if (boost_state_time != AltosLib.MISSING && accel.time >= boost_state_time)
 126                                         break;
 127                         }
 128                 }
 129                 if (boost_time == AltosLib.MISSING)
 130                         boost_time = boost_state_time;
 131                 return boost_time;
 132         }
 133
 134         private void add_times(AltosFlightSeries series, int state, double start_time, double end_time) {
 135                 double delta_time = end_time - start_time;
 136                 if (0 <= state && state <= AltosLib.ao_flight_invalid && delta_time > 0) {
 137                         if (state_enter_speed[state] == AltosLib.MISSING)
 138                                 state_enter_speed[state] = series.speed_series.value(start_time);
 139                         if (state_enter_height[state] == AltosLib.MISSING)
 140                                 state_enter_height[state] = series.height_series.value(start_time);
 141                         if (state_enter_gps_height[state] == AltosLib.MISSING)
 142                                 if (series.gps_height != null)
 143                                         state_enter_gps_height[state] = series.gps_height.value(start_time);
 144                         speeds[state].value += series.speed_series.average(start_time, end_time) * delta_time;
 145                         speeds[state].time += delta_time;
 146                         accels[state].value += series.accel_series.average(start_time, end_time) * delta_time;
 147                         accels[state].time += delta_time;
 148                         state_time[state] += delta_time;
 149
 150                         if (state == AltosLib.ao_flight_boost) {
 151                                 AltosTimeValue tv_speed = series.speed_series.max(start_time, end_time);
 152                                 if (tv_speed != null && (max_speed == AltosLib.MISSING || tv_speed.value > max_speed))
 153                                         max_speed = tv_speed.value;
 154                                 AltosTimeValue tv_accel = series.accel_series.max(start_time, end_time);
 155                                 if (tv_accel != null && (max_acceleration == AltosLib.MISSING || tv_accel.value > max_acceleration))
 156                                         max_acceleration = tv_accel.value;
 157                         }
 158                 }
 159         }
 160
 161         AltosTimeValue[]        speeds = new AltosTimeValue[AltosLib.ao_flight_invalid + 1];
 162         AltosTimeValue[]        accels = new AltosTimeValue[AltosLib.ao_flight_invalid + 1];
 163
 164         public AltosFlightStats(AltosFlightSeries series) {
 165                 AltosCalData    cal_data = series.cal_data();
 166
 167                 series.finish();
 168
 169                 boost_time = boost_time(series);
 170                 landed_time = landed_time(series);
 171
 172                 if (series.state_series != null){
 173                         boolean fixed_boost = false;
 174                         boolean fixed_landed = false;
 175                         for (AltosTimeValue state : series.state_series) {
 176                                 if ((int) state.value == AltosLib.ao_flight_boost)
 177                                         if (boost_time != AltosLib.MISSING && !fixed_boost) {
 178                                                 state.time = boost_time;
 179                                                 fixed_boost = true;
 180                                         }
 181                                 if ((int) state.value == AltosLib.ao_flight_landed)
 182                                         if (landed_time != AltosLib.MISSING && !fixed_landed) {
 183                                                 state.time = landed_time;
 184                                                 fixed_landed = true;
 185                                         }
 186                         }
 187                 }
 188
 189                 year = month = day = AltosLib.MISSING;
 190                 hour = minute = second = AltosLib.MISSING;
 191                 serial = flight = AltosLib.MISSING;
 192                 lat = lon = AltosLib.MISSING;
 193                 has_flight_data = false;
 194                 has_gps = false;
 195                 has_gps_sats = false;
 196                 has_flight_adc = false;
 197                 has_battery = false;
 198                 has_rssi = false;
 199                 has_imu = false;
 200                 has_mag = false;
 201                 has_orient = false;
 202
 203                 for (int s = 0; s < AltosLib.ao_flight_invalid + 1; s++) {
 204                         state_speed[s] = AltosLib.MISSING;
 205                         state_enter_speed[s] = AltosLib.MISSING;
 206                         state_accel[s] = AltosLib.MISSING;
 207                         state_time[s] = 0;
 208                         speeds[s] = new AltosTimeValue(0, 0);
 209                         accels[s] = new AltosTimeValue(0, 0);
 210                 }
 211
 212                 max_speed = AltosLib.MISSING;
 213                 max_acceleration = AltosLib.MISSING;
 214
 215                 if (series.state_series != null) {
 216                         AltosTimeValue prev = null;
 217                         for (AltosTimeValue state : series.state_series) {
 218                                 if (prev != null)
 219                                         add_times(series, (int) prev.value, prev.time, state.time);
 220                                 prev = state;
 221                         }
 222                         if (prev != null) {
 223                                 AltosTimeValue last_accel = series.accel_series.last();
 224                                 if (last_accel != null)
 225                                         add_times(series, (int) prev.value, prev.time, last_accel.time);
 226                         }
 227                 }
 228
 229                 for (int s = 0; s <= AltosLib.ao_flight_invalid; s++) {
 230                         if (speeds[s].time > 0)
 231                                 state_speed[s] = speeds[s].value / speeds[s].time;
 232                         if (accels[s].time > 0)
 233                                 state_accel[s] = accels[s].value / accels[s].time;
 234                 }
 235
 236                 product = cal_data.product;
 237                 firmware_version = cal_data.firmware_version;
 238                 serial = cal_data.serial;
 239                 flight = cal_data.flight;
 240
 241                 has_battery = series.battery_voltage_series != null;
 242                 has_flight_adc = series.main_voltage_series != null;
 243                 has_rssi = series.rssi_series != null;
 244                 has_flight_data = series.pressure_series != null;
 245
 246                 AltosGPS gps = series.cal_data().gps_pad;
 247
 248                 if (gps != null) {
 249                         year = gps.year;
 250                         month = gps.month;
 251                         day = gps.day;
 252                         hour = gps.hour;
 253                         minute = gps.minute;
 254                         second = gps.second;
 255                         has_gps = true;
 256                         lat = pad_lat = gps.lat;
 257                         lon = pad_lon = gps.lon;
 258                         if (series.gps_series != null) {
 259                                 for (AltosGPSTimeValue gtv : series.gps_series) {
 260                                         gps = gtv.gps;
 261                                         if (gps.locked && gps.nsat >= 4) {
 262                                                 lat = gps.lat;
 263                                                 lon = gps.lon;
 264                                         }
 265                                 }
 266                         }
 267                 }
 268
 269                 max_height = series.max_height;
 270                 if (max_height == AltosLib.MISSING && series.height_series != null)
 271                         max_height = series.height_series.max().value;
 272                 max_gps_height = AltosLib.MISSING;
 273                 if (series.gps_height != null) {
 274                         AltosTimeValue tv = series.gps_height.max();
 275                         if (tv != null)
 276                                 max_gps_height = tv.value;
 277                 }
 278         }
 279 }