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_5.*;
  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 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) {
  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: %d meters per second.", (int) (state.max_speed() + 0.5)));
  72                                 spoke = true;
  73                         } else if ((old_state == null || old_state.state < AltosLib.ao_flight_drogue) &&
  74                                    state.state >= AltosLib.ao_flight_drogue) {
  75                                 if (state.max_height() != AltosLib.MISSING)
  76                                         speak(String.format("max height: %d meters.", (int) (state.max_height() + 0.5)));
  77                                 spoke = true;
  78                         }
  79                 }
  80                 if (old_state == null || old_state.gps_ready != state.gps_ready) {
  81                         if (state.gps_ready) {
  82                                 speak("GPS ready");
  83                                 spoke = true;
  84                         } else if (old_state != null) {
  85                                 speak("GPS lost");
  86                                 spoke = true;
  87                         }
  88                 }
  89                 old_state = state;
  90                 idle_thread.notice(state, spoke);
  91         }
  92
  93
  94         class IdleThread extends Thread {
  95                 boolean            started;
  96                 private AltosState state;
  97                 int                reported_landing;
  98                 int                report_interval;
  99                 long               report_time;
 100
 101                 public synchronized void report(boolean last) {
 102                         if (state == null)
 103                                 return;
 104
 105                         /* reset the landing count once we hear about a new flight */
 106                         if (state.state < AltosLib.ao_flight_drogue)
 107                                 reported_landing = 0;
 108
 109                         /* Shut up once the rocket is on the ground */
 110                         if (reported_landing > 2) {
 111                                 return;
 112                         }
 113
 114                         /* If the rocket isn't on the pad, then report height */
 115                         if (((AltosLib.ao_flight_drogue <= state.state &&
 116                               state.state < AltosLib.ao_flight_landed) ||
 117                              state.state == AltosLib.ao_flight_stateless) &&
 118                             state.range >= 0)
 119                         {
 120                                 speak(String.format("Height %d, bearing %s %d, elevation %d, range %d.\n",
 121                                                     (int) (state.height() + 0.5),
 122                                         state.from_pad.bearing_words(
 123                                               AltosGreatCircle.BEARING_VOICE),
 124                                                     (int) (state.from_pad.bearing + 0.5),
 125                                                     (int) (state.elevation + 0.5),
 126                                                     (int) (state.range + 0.5)));
 127                         } else if (state.state > AltosLib.ao_flight_pad) {
 128                                 if (state.height() != AltosLib.MISSING)
 129                                         speak(String.format("%d meters", (int) (state.height() + 0.5)));
 130                         } else {
 131                                 reported_landing = 0;
 132                         }
 133
 134                         /* If the rocket is coming down, check to see if it has landed;
 135                          * either we've got a landed report or we haven't heard from it in
 136                          * a long time
 137                          */
 138                         if (state.state >= AltosLib.ao_flight_drogue &&
 139                             (last ||
 140                              System.currentTimeMillis() - state.received_time >= 15000 ||
 141                              state.state == AltosLib.ao_flight_landed))
 142                         {
 143                                 if (Math.abs(state.speed()) < 20 && state.height() < 100)
 144                                         speak("rocket landed safely");
 145                                 else
 146                                         speak("rocket may have crashed");
 147                                 if (state.from_pad != null)
 148                                         speak(String.format("Bearing %d degrees, range %d meters.",
 149                                                             (int) (state.from_pad.bearing + 0.5),
 150                                                             (int) (state.from_pad.distance + 0.5)));
 151                                 ++reported_landing;
 152                         }
 153                 }
 154
 155                 long now () {
 156                         return System.currentTimeMillis();
 157                 }
 158
 159                 void set_report_time() {
 160                         report_time = now() + report_interval;
 161                 }
 162
 163                 public void run () {
 164                         try {
 165                                 for (;;) {
 166                                         set_report_time();
 167                                         for (;;) {
 168                                                 synchronized (this) {
 169                                                         long sleep_time = report_time - now();
 170                                                         if (sleep_time <= 0)
 171                                                                 break;
 172                                                         wait(sleep_time);
 173                                                 }
 174                                         }
 175                                         report(false);
 176                                 }
 177                         } catch (InterruptedException ie) {
 178                         }
 179                 }
 180
 181                 public synchronized void notice(AltosState new_state, boolean spoken) {
 182                         AltosState old_state = state;
 183                         state = new_state;
 184                         if (!started && state.state > AltosLib.ao_flight_pad) {
 185                                 started = true;
 186                                 start();
 187                         }
 188
 189                         if (state.state < AltosLib.ao_flight_drogue)
 190                                 report_interval = 10000;
 191                         else
 192                                 report_interval = 20000;
 193                         if (old_state != null && old_state.state != state.state) {
 194                                 report_time = now();
 195                                 this.notify();
 196                         } else if (spoken)
 197                                 set_report_time();
 198                 }
 199
 200                 public IdleThread() {
 201                         state = null;
 202                         reported_landing = 0;
 203                         report_interval = 10000;
 204                 }
 205         }
 206
 207 }