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_2.*;
  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                         speak(state.state_name());
  67                         if ((old_state == null || old_state.state <= AltosLib.ao_flight_boost) &&
  68                             state.state > AltosLib.ao_flight_boost) {
  69                                 speak(String.format("max speed: %d meters per second.", (int) (state.max_speed() + 0.5)));
  70                                 spoke = true;
  71                         } else if ((old_state == null || old_state.state < AltosLib.ao_flight_drogue) &&
  72                                    state.state >= AltosLib.ao_flight_drogue) {
  73                                 speak(String.format("max height: %d meters.", (int) (state.max_height() + 0.5)));
  74                                 spoke = true;
  75                         }
  76                 }
  77                 if (old_state == null || old_state.gps_ready != state.gps_ready) {
  78                         if (state.gps_ready) {
  79                                 speak("GPS ready");
  80                                 spoke = true;
  81                         } else if (old_state != null) {
  82                                 speak("GPS lost");
  83                                 spoke = true;
  84                         }
  85                 }
  86                 old_state = state;
  87                 idle_thread.notice(state, spoke);
  88         }
  89
  90
  91         class IdleThread extends Thread {
  92                 boolean            started;
  93                 private AltosState state;
  94                 int                reported_landing;
  95                 int                report_interval;
  96                 long               report_time;
  97
  98                 public synchronized void report(boolean last) {
  99                         if (state == null)
 100                                 return;
 101
 102                         /* reset the landing count once we hear about a new flight */
 103                         if (state.state < AltosLib.ao_flight_drogue)
 104                                 reported_landing = 0;
 105
 106                         /* Shut up once the rocket is on the ground */
 107                         if (reported_landing > 2) {
 108                                 return;
 109                         }
 110
 111                         /* If the rocket isn't on the pad, then report height */
 112                         if (AltosLib.ao_flight_drogue <= state.state &&
 113                             state.state < AltosLib.ao_flight_landed &&
 114                             state.range >= 0)
 115                         {
 116                                 speak(String.format("Height %d, bearing %s %d, elevation %d, range %d.\n",
 117                                                     (int) (state.height() + 0.5),
 118                                         state.from_pad.bearing_words(
 119                                               AltosGreatCircle.BEARING_VOICE),
 120                                                     (int) (state.from_pad.bearing + 0.5),
 121                                                     (int) (state.elevation + 0.5),
 122                                                     (int) (state.range + 0.5)));
 123                         } else if (state.state > AltosLib.ao_flight_pad) {
 124                                 speak(String.format("%d meters", (int) (state.height() + 0.5)));
 125                         } else {
 126                                 reported_landing = 0;
 127                         }
 128
 129                         /* If the rocket is coming down, check to see if it has landed;
 130                          * either we've got a landed report or we haven't heard from it in
 131                          * a long time
 132                          */
 133                         if (state.state >= AltosLib.ao_flight_drogue &&
 134                             (last ||
 135                              System.currentTimeMillis() - state.received_time >= 15000 ||
 136                              state.state == AltosLib.ao_flight_landed))
 137                         {
 138                                 if (Math.abs(state.speed()) < 20 && state.height() < 100)
 139                                         speak("rocket landed safely");
 140                                 else
 141                                         speak("rocket may have crashed");
 142                                 if (state.from_pad != null)
 143                                         speak(String.format("Bearing %d degrees, range %d meters.",
 144                                                             (int) (state.from_pad.bearing + 0.5),
 145                                                             (int) (state.from_pad.distance + 0.5)));
 146                                 ++reported_landing;
 147                         }
 148                 }
 149
 150                 long now () {
 151                         return System.currentTimeMillis();
 152                 }
 153
 154                 void set_report_time() {
 155                         report_time = now() + report_interval;
 156                 }
 157
 158                 public void run () {
 159                         try {
 160                                 for (;;) {
 161                                         set_report_time();
 162                                         for (;;) {
 163                                                 synchronized (this) {
 164                                                         long sleep_time = report_time - now();
 165                                                         if (sleep_time <= 0)
 166                                                                 break;
 167                                                         wait(sleep_time);
 168                                                 }
 169                                         }
 170                                         report(false);
 171                                 }
 172                         } catch (InterruptedException ie) {
 173                         }
 174                 }
 175
 176                 public synchronized void notice(AltosState new_state, boolean spoken) {
 177                         AltosState old_state = state;
 178                         state = new_state;
 179                         if (!started && state.state > AltosLib.ao_flight_pad) {
 180                                 started = true;
 181                                 start();
 182                         }
 183
 184                         if (state.state < AltosLib.ao_flight_drogue)
 185                                 report_interval = 10000;
 186                         else
 187                                 report_interval = 20000;
 188                         if (old_state != null && old_state.state != state.state) {
 189                                 report_time = now();
 190                                 this.notify();
 191                         } else if (spoken)
 192                                 set_report_time();
 193                 }
 194
 195                 public IdleThread() {
 196                         state = null;
 197                         reported_landing = 0;
 198                         report_interval = 10000;
 199                 }
 200         }
 201
 202 }