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