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

   1 /*\r
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>\r
   3  * Copyright © 2012 Mike Beattie <mike@ethernal.org>\r
   4  *\r
   5  * This program is free software; you can redistribute it and/or modify\r
   6  * it under the terms of the GNU General Public License as published by\r
   7  * the Free Software Foundation; version 2 of the License.\r
   8  *\r
   9  * This program is distributed in the hope that it will be useful, but\r
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of\r
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\r
  12  * General Public License for more details.\r
  13  *\r
  14  * You should have received a copy of the GNU General Public License along\r
  15  * with this program; if not, write to the Free Software Foundation, Inc.,\r
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.\r
  17  */\r
  18 \r
  19 package org.altusmetrum.AltosDroid;\r
  20 \r
  21 import android.speech.tts.TextToSpeech;\r
  22 import android.speech.tts.TextToSpeech.OnInitListener;\r
  23 \r
  24 import org.altusmetrum.altoslib_1.*;\r
  25 \r
  26 public class AltosVoice {\r
  27 \r
  28         private TextToSpeech tts         = null;\r
  29         private boolean      tts_enabled = false;\r
  30 \r
  31         private IdleThread   idle_thread = null;\r
  32 \r
  33         private AltosState   old_state   = null;\r
  34 \r
  35         public AltosVoice(AltosDroid a) {\r
  36 \r
  37                 tts = new TextToSpeech(a, new OnInitListener() {\r
  38                         public void onInit(int status) {\r
  39                                 if (status == TextToSpeech.SUCCESS) tts_enabled = true;\r
  40                                 if (tts_enabled) {\r
  41                                         idle_thread = new IdleThread();\r
  42                                 }\r
  43                         }\r
  44                 });\r
  45 \r
  46         }\r
  47 \r
  48         public void speak(String s) {\r
  49                 if (!tts_enabled) return;\r
  50                 tts.speak(s, TextToSpeech.QUEUE_ADD, null);\r
  51         }\r
  52 \r
  53         public void stop() {\r
  54                 if (tts != null) tts.shutdown();\r
  55                 if (idle_thread != null) {\r
  56                         idle_thread.interrupt();\r
  57                         idle_thread = null;\r
  58                 }\r
  59         }\r
  60 \r
  61         public void tell(AltosState state) {\r
  62                 if (!tts_enabled) return;\r
  63 \r
  64                 boolean spoke = false;\r
  65                 if (old_state == null || old_state.state != state.state) {\r
  66                         speak(state.data.state());\r
  67                         if ((old_state == null || old_state.state <= AltosLib.ao_flight_boost) &&\r
  68                             state.state > AltosLib.ao_flight_boost) {\r
  69                                 speak(String.format("max speed: %d meters per second.", (int) (state.max_speed() + 0.5)));\r
  70                                 spoke = true;\r
  71                         } else if ((old_state == null || old_state.state < AltosLib.ao_flight_drogue) &&\r
  72                                    state.state >= AltosLib.ao_flight_drogue) {\r
  73                                 speak(String.format("max height: %d meters.", (int) (state.max_height + 0.5)));\r
  74                                 spoke = true;\r
  75                         }\r
  76                 }\r
  77                 if (old_state == null || old_state.gps_ready != state.gps_ready) {\r
  78                         if (state.gps_ready) {\r
  79                                 speak("GPS ready");\r
  80                                 spoke = true;\r
  81                         } else if (old_state != null) {\r
  82                                 speak("GPS lost");\r
  83                                 spoke = true;\r
  84                         }\r
  85                 }\r
  86                 old_state = state;\r
  87                 idle_thread.notice(state, spoke);\r
  88         }\r
  89 \r
  90 \r
  91         class IdleThread extends Thread {\r
  92                 boolean            started;\r
  93                 private AltosState state;\r
  94                 int                reported_landing;\r
  95                 int                report_interval;\r
  96                 long               report_time;\r
  97 \r
  98                 public synchronized void report(boolean last) {\r
  99                         if (state == null)\r
 100                                 return;\r
 101 \r
 102                         /* reset the landing count once we hear about a new flight */\r
 103                         if (state.state < AltosLib.ao_flight_drogue)\r
 104                                 reported_landing = 0;\r
 105 \r
 106                         /* Shut up once the rocket is on the ground */\r
 107                         if (reported_landing > 2) {\r
 108                                 return;\r
 109                         }\r
 110 \r
 111                         /* If the rocket isn't on the pad, then report height */\r
 112                         if (AltosLib.ao_flight_drogue <= state.state &&\r
 113                             state.state < AltosLib.ao_flight_landed &&\r
 114                             state.range >= 0)\r
 115                         {\r
 116                                 speak(String.format("Height %d, bearing %s %d, elevation %d, range %d.\n",\r
 117                                                     (int) (state.height + 0.5),\r
 118                                         state.from_pad.bearing_words(\r
 119                                               AltosGreatCircle.BEARING_VOICE),\r
 120                                                     (int) (state.from_pad.bearing + 0.5),\r
 121                                                     (int) (state.elevation + 0.5),\r
 122                                                     (int) (state.range + 0.5)));\r
 123                         } else if (state.state > AltosLib.ao_flight_pad) {\r
 124                                 speak(String.format("%d meters", (int) (state.height + 0.5)));\r
 125                         } else {\r
 126                                 reported_landing = 0;\r
 127                         }\r
 128 \r
 129                         /* If the rocket is coming down, check to see if it has landed;\r
 130                          * either we've got a landed report or we haven't heard from it in\r
 131                          * a long time\r
 132                          */\r
 133                         if (state.state >= AltosLib.ao_flight_drogue &&\r
 134                             (last ||\r
 135                              System.currentTimeMillis() - state.report_time >= 15000 ||\r
 136                              state.state == AltosLib.ao_flight_landed))\r
 137                         {\r
 138                                 if (Math.abs(state.baro_speed) < 20 && state.height < 100)\r
 139                                         speak("rocket landed safely");\r
 140                                 else\r
 141                                         speak("rocket may have crashed");\r
 142                                 if (state.from_pad != null)\r
 143                                         speak(String.format("Bearing %d degrees, range %d meters.",\r
 144                                                             (int) (state.from_pad.bearing + 0.5),\r
 145                                                             (int) (state.from_pad.distance + 0.5)));\r
 146                                 ++reported_landing;\r
 147                         }\r
 148                 }\r
 149 \r
 150                 long now () {\r
 151                         return System.currentTimeMillis();\r
 152                 }\r
 153 \r
 154                 void set_report_time() {\r
 155                         report_time = now() + report_interval;\r
 156                 }\r
 157 \r
 158                 public void run () {\r
 159                         try {\r
 160                                 for (;;) {\r
 161                                         set_report_time();\r
 162                                         for (;;) {\r
 163                                                 synchronized (this) {\r
 164                                                         long sleep_time = report_time - now();\r
 165                                                         if (sleep_time <= 0)\r
 166                                                                 break;\r
 167                                                         wait(sleep_time);\r
 168                                                 }\r
 169                                         }\r
 170                                         report(false);\r
 171                                 }\r
 172                         } catch (InterruptedException ie) {\r
 173                         }\r
 174                 }\r
 175 \r
 176                 public synchronized void notice(AltosState new_state, boolean spoken) {\r
 177                         AltosState old_state = state;\r
 178                         state = new_state;\r
 179                         if (!started && state.state > AltosLib.ao_flight_pad) {\r
 180                                 started = true;\r
 181                                 start();\r
 182                         }\r
 183 \r
 184                         if (state.state < AltosLib.ao_flight_drogue)\r
 185                                 report_interval = 10000;\r
 186                         else\r
 187                                 report_interval = 20000;\r
 188                         if (old_state != null && old_state.state != state.state) {\r
 189                                 report_time = now();\r
 190                                 this.notify();\r
 191                         } else if (spoken)\r
 192                                 set_report_time();\r
 193                 }\r
 194 \r
 195                 public IdleThread() {\r
 196                         state = null;\r
 197                         reported_landing = 0;\r
 198                         report_interval = 10000;\r
 199                 }\r
 200         }\r
 201 \r
 202 }\r