+/*\r
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>\r
+ * Copyright © 2012 Mike Beattie <mike@ethernal.org>\r
+ *\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; version 2 of the License.\r
+ *\r
+ * This program is distributed in the hope that it will be useful, but\r
+ * WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+ * General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License along\r
+ * with this program; if not, write to the Free Software Foundation, Inc.,\r
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.\r
+ */\r
+\r
+package org.altusmetrum.AltosDroid;\r
+\r
+import android.speech.tts.TextToSpeech;\r
+import android.speech.tts.TextToSpeech.OnInitListener;\r
+\r
+import org.altusmetrum.AltosLib.*;\r
+\r
+public class AltosVoice {\r
+\r
+ private TextToSpeech tts = null;\r
+ private boolean tts_enabled = false;\r
+\r
+ private IdleThread idle_thread = null;\r
+\r
+ private AltosState old_state = null;\r
+\r
+ public AltosVoice(AltosDroid a) {\r
+\r
+ tts = new TextToSpeech(a, new OnInitListener() {\r
+ public void onInit(int status) {\r
+ if (status == TextToSpeech.SUCCESS) tts_enabled = true;\r
+ if (tts_enabled) {\r
+ speak("AltosDroid ready");\r
+ idle_thread = new IdleThread();\r
+ }\r
+ }\r
+ });\r
+\r
+ }\r
+\r
+ public void speak(String s) {\r
+ if (!tts_enabled) return;\r
+ tts.speak(s, TextToSpeech.QUEUE_ADD, null);\r
+ }\r
+\r
+ public void stop() {\r
+ if (tts != null) tts.shutdown();\r
+ if (idle_thread != null) {\r
+ idle_thread.interrupt();\r
+ idle_thread = null;\r
+ }\r
+ }\r
+\r
+ public void tell(AltosState state) {\r
+ if (!tts_enabled) return;\r
+\r
+ boolean spoke = false;\r
+ if (old_state == null || old_state.state != state.state) {\r
+ speak(state.data.state());\r
+ if ((old_state == null || old_state.state <= AltosLib.ao_flight_boost) &&\r
+ state.state > AltosLib.ao_flight_boost) {\r
+ speak(String.format("max speed: %d meters per second.", (int) (state.max_speed + 0.5)));\r
+ spoke = true;\r
+ } else if ((old_state == null || old_state.state < AltosLib.ao_flight_drogue) &&\r
+ state.state >= AltosLib.ao_flight_drogue) {\r
+ speak(String.format("max height: %d meters.", (int) (state.max_height + 0.5)));\r
+ spoke = true;\r
+ }\r
+ }\r
+ if (old_state == null || old_state.gps_ready != state.gps_ready) {\r
+ if (state.gps_ready) {\r
+ speak("GPS ready");\r
+ spoke = true;\r
+ } else if (old_state != null) {\r
+ speak("GPS lost");\r
+ spoke = true;\r
+ }\r
+ }\r
+ old_state = state;\r
+ idle_thread.notice(state, spoke);\r
+ }\r
+\r
+\r
+ class IdleThread extends Thread {\r
+ boolean started;\r
+ private AltosState state;\r
+ int reported_landing;\r
+ int report_interval;\r
+ long report_time;\r
+\r
+ public synchronized void report(boolean last) {\r
+ if (state == null)\r
+ return;\r
+\r
+ /* reset the landing count once we hear about a new flight */\r
+ if (state.state < AltosLib.ao_flight_drogue)\r
+ reported_landing = 0;\r
+\r
+ /* Shut up once the rocket is on the ground */\r
+ if (reported_landing > 2) {\r
+ return;\r
+ }\r
+\r
+ /* If the rocket isn't on the pad, then report height */\r
+ if (AltosLib.ao_flight_drogue <= state.state &&\r
+ state.state < AltosLib.ao_flight_landed &&\r
+ state.range >= 0)\r
+ {\r
+ speak(String.format("Height %d, bearing %s %d, elevation %d, range %d.\n",\r
+ (int) (state.height + 0.5),\r
+ state.from_pad.bearing_words(\r
+ AltosGreatCircle.BEARING_VOICE),\r
+ (int) (state.from_pad.bearing + 0.5),\r
+ (int) (state.elevation + 0.5),\r
+ (int) (state.range + 0.5)));\r
+ } else if (state.state > AltosLib.ao_flight_pad) {\r
+ speak(String.format("%d meters", (int) (state.height + 0.5)));\r
+ } else {\r
+ reported_landing = 0;\r
+ }\r
+\r
+ /* If the rocket is coming down, check to see if it has landed;\r
+ * either we've got a landed report or we haven't heard from it in\r
+ * a long time\r
+ */\r
+ if (state.state >= AltosLib.ao_flight_drogue &&\r
+ (last ||\r
+ System.currentTimeMillis() - state.report_time >= 15000 ||\r
+ state.state == AltosLib.ao_flight_landed))\r
+ {\r
+ if (Math.abs(state.baro_speed) < 20 && state.height < 100)\r
+ speak("rocket landed safely");\r
+ else\r
+ speak("rocket may have crashed");\r
+ if (state.from_pad != null)\r
+ speak(String.format("Bearing %d degrees, range %d meters.",\r
+ (int) (state.from_pad.bearing + 0.5),\r
+ (int) (state.from_pad.distance + 0.5)));\r
+ ++reported_landing;\r
+ }\r
+ }\r
+\r
+ long now () {\r
+ return System.currentTimeMillis();\r
+ }\r
+\r
+ void set_report_time() {\r
+ report_time = now() + report_interval;\r
+ }\r
+\r
+ public void run () {\r
+ try {\r
+ for (;;) {\r
+ set_report_time();\r
+ for (;;) {\r
+ synchronized (this) {\r
+ long sleep_time = report_time - now();\r
+ if (sleep_time <= 0)\r
+ break;\r
+ wait(sleep_time);\r
+ }\r
+ }\r
+ report(false);\r
+ }\r
+ } catch (InterruptedException ie) {\r
+ }\r
+ }\r
+\r
+ public synchronized void notice(AltosState new_state, boolean spoken) {\r
+ AltosState old_state = state;\r
+ state = new_state;\r
+ if (!started && state.state > AltosLib.ao_flight_pad) {\r
+ started = true;\r
+ start();\r
+ }\r
+\r
+ if (state.state < AltosLib.ao_flight_drogue)\r
+ report_interval = 10000;\r
+ else\r
+ report_interval = 20000;\r
+ if (old_state != null && old_state.state != state.state) {\r
+ report_time = now();\r
+ this.notify();\r
+ } else if (spoken)\r
+ set_report_time();\r
+ }\r
+\r
+ public IdleThread() {\r
+ state = null;\r
+ reported_landing = 0;\r
+ report_interval = 10000;\r
+ }\r
+ }\r
+\r
+}\r