git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosVoice.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  * Copyright © 2012 Mike Beattie <mike@ethernal.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   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.AltosDroid;
  20
  21 import android.speech.tts.TextToSpeech;
  22 import android.speech.tts.TextToSpeech.OnInitListener;
  23
  24 import org.altusmetrum.altoslib_6.*;
  25
  26 public class AltosVoice {
  27
  28         private TextToSpeech tts         = null;
  29         private boolean      tts_enabled = false;
  30
  31         private IdleThread   idle_thread = null;
  32
  33         private AltosState   old_state   = null;
  34
  35         public AltosVoice(AltosDroid a) {
  36
  37                 tts = new TextToSpeech(a, new OnInitListener() {
  38                         public void onInit(int status) {
  39                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;
  40                                 if (tts_enabled) {
  41                                         idle_thread = new IdleThread();
  42                                 }
  43                         }
  44                 });
  45
  46         }
  47
  48         public synchronized void speak(String s) {
  49                 if (!tts_enabled) return;
  50                 tts.speak(s, TextToSpeech.QUEUE_ADD, null);
  51         }
  52
  53         public void stop() {
  54                 if (tts != null) tts.shutdown();
  55                 if (idle_thread != null) {
  56                         idle_thread.interrupt();
  57                         idle_thread = null;
  58                 }
  59         }
  60
  61         public void tell(AltosState state, AltosGreatCircle from_receiver) {
  62                 if (!tts_enabled) return;
  63
  64                 boolean spoke = false;
  65                 if (old_state == null || old_state.state != state.state) {
  66                         if (state.state != AltosLib.ao_flight_stateless)
  67                                 speak(state.state_name());
  68                         if ((old_state == null || old_state.state <= AltosLib.ao_flight_boost) &&
  69                             state.state > AltosLib.ao_flight_boost) {
  70                                 if (state.max_speed() != AltosLib.MISSING)
  71                                         speak(String.format("Max speed: %s.",
  72                                                             AltosConvert.speed.say_units(state.max_speed())));
  73                                 spoke = true;
  74                         } else if ((old_state == null || old_state.state < AltosLib.ao_flight_drogue) &&
  75                                    state.state >= AltosLib.ao_flight_drogue) {
  76                                 if (state.max_height() != AltosLib.MISSING)
  77                                         speak(String.format("Max height: %s.",
  78                                                             AltosConvert.height.say_units(state.max_height())));
  79                                 spoke = true;
  80                         }
  81                 }
  82                 if (old_state == null || old_state.gps_ready != state.gps_ready) {
  83                         if (state.gps_ready) {
  84                                 speak("GPS ready");
  85                                 spoke = true;
  86                         } else if (old_state != null) {
  87                                 speak("GPS lost");
  88                                 spoke = true;
  89                         }
  90                 }
  91                 old_state = state;
  92                 if (idle_thread != null)
  93                         idle_thread.notice(state, from_receiver, spoke);
  94         }
  95
  96
  97         class IdleThread extends Thread {
  98                 boolean            started;
  99                 private AltosState state;
 100                 private AltosGreatCircle from_receiver;
 101                 int                reported_landing;
 102                 int                report_interval;
 103                 long               report_time;
 104
 105                 public synchronized void report(boolean last) {
 106                         if (state == null)
 107                                 return;
 108
 109                         /* reset the landing count once we hear about a new flight */
 110                         if (state.state < AltosLib.ao_flight_drogue)
 111                                 reported_landing = 0;
 112
 113                         /* Shut up once the rocket is on the ground */
 114                         if (reported_landing > 2) {
 115                                 return;
 116                         }
 117
 118                         /* If the rocket isn't on the pad, then report location */
 119                         if ((AltosLib.ao_flight_drogue <= state.state &&
 120                               state.state < AltosLib.ao_flight_landed) ||
 121                              state.state == AltosLib.ao_flight_stateless)
 122                         {
 123                                 AltosGreatCircle        position;
 124
 125                                 if (from_receiver != null)
 126                                         position = from_receiver;
 127                                 else
 128                                         position = state.from_pad;
 129
 130                                 if (position != null) {
 131                                         speak(String.format("Height %s, bearing %s %d, elevation %d, range %s.\n",
 132                                                             AltosConvert.height.say_units(state.height()),
 133                                                             position.bearing_words(
 134                                                                     AltosGreatCircle.BEARING_VOICE),
 135                                                             (int) (position.bearing + 0.5),
 136                                                             (int) (position.elevation + 0.5),
 137                                                             AltosConvert.distance.say_units(position.range)));
 138                                 }
 139                         } else if (state.state > AltosLib.ao_flight_pad) {
 140                                 if (state.height() != AltosLib.MISSING)
 141                                         speak(AltosConvert.height.say_units(state.height()));
 142                         } else {
 143                                 reported_landing = 0;
 144                         }
 145
 146                         /* If the rocket is coming down, check to see if it has landed;
 147                          * either we've got a landed report or we haven't heard from it in
 148                          * a long time
 149                          */
 150                         if (state.state >= AltosLib.ao_flight_drogue &&
 151                             (last ||
 152                              System.currentTimeMillis() - state.received_time >= 15000 ||
 153                              state.state == AltosLib.ao_flight_landed))
 154                         {
 155                                 if (Math.abs(state.speed()) < 20 && state.height() < 100)
 156                                         speak("rocket landed safely");
 157                                 else
 158                                         speak("rocket may have crashed");
 159                                 if (state.from_pad != null)
 160                                         speak(String.format("Bearing %d degrees, range %s.",
 161                                                             (int) (state.from_pad.bearing + 0.5),
 162                                                             AltosConvert.distance.say_units(state.from_pad.distance)));
 163                                 ++reported_landing;
 164                         }
 165                 }
 166
 167                 long now () {
 168                         return System.currentTimeMillis();
 169                 }
 170
 171                 void set_report_time() {
 172                         report_time = now() + report_interval;
 173                 }
 174
 175                 public void run () {
 176                         try {
 177                                 for (;;) {
 178                                         set_report_time();
 179                                         for (;;) {
 180                                                 synchronized (this) {
 181                                                         long sleep_time = report_time - now();
 182                                                         if (sleep_time <= 0)
 183                                                                 break;
 184                                                         wait(sleep_time);
 185                                                 }
 186                                         }
 187                                         report(false);
 188                                 }
 189                         } catch (InterruptedException ie) {
 190                         }
 191                 }
 192
 193                 public synchronized void notice(AltosState new_state, AltosGreatCircle new_from_receiver, boolean spoken) {
 194                         AltosState old_state = state;
 195                         state = new_state;
 196                         from_receiver = new_from_receiver;
 197                         if (!started && state.state > AltosLib.ao_flight_pad) {
 198                                 started = true;
 199                                 start();
 200                         }
 201
 202                         if (state.state < AltosLib.ao_flight_drogue)
 203                                 report_interval = 10000;
 204                         else
 205                                 report_interval = 20000;
 206                         if (old_state != null && old_state.state != state.state) {
 207                                 report_time = now();
 208                                 this.notify();
 209                         } else if (spoken)
 210                                 set_report_time();
 211                 }
 212
 213                 public IdleThread() {
 214                         state = null;
 215                         reported_landing = 0;
 216                         report_interval = 10000;
 217                 }
 218         }
 219
 220 }