+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ * Copyright © 2012 Mike Beattie <mike@ethernal.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.AltosDroid;
+
+import android.speech.tts.TextToSpeech;
+import android.speech.tts.TextToSpeech.OnInitListener;
+import android.location.Location;
+
+import org.altusmetrum.altoslib_13.*;
+
+public class AltosVoice {
+
+ private TextToSpeech tts = null;
+ private boolean tts_enabled = false;
+
+ static final int TELL_MODE_NONE = 0;
+ static final int TELL_MODE_PAD = 1;
+ static final int TELL_MODE_FLIGHT = 2;
+ static final int TELL_MODE_RECOVER = 3;
+
+ static final int TELL_FLIGHT_NONE = 0;
+ static final int TELL_FLIGHT_STATE = 1;
+ static final int TELL_FLIGHT_SPEED = 2;
+ static final int TELL_FLIGHT_HEIGHT = 3;
+ static final int TELL_FLIGHT_TRACK = 4;
+
+ private int last_tell_mode;
+ private int last_tell_serial = AltosLib.MISSING;
+ private int last_state;
+ private AltosGPS last_gps;
+ private double last_height = AltosLib.MISSING;
+ private Location last_receiver;
+ private long last_speak_time;
+ private int last_flight_tell = TELL_FLIGHT_NONE;
+ private boolean quiet = false;
+
+ private long now() {
+ return System.currentTimeMillis();
+ }
+
+ private void reset_last() {
+ last_tell_mode = TELL_MODE_NONE;
+ last_speak_time = now() - 100 * 1000;
+ last_gps = null;
+ last_height = AltosLib.MISSING;
+ last_receiver = null;
+ last_state = AltosLib.ao_flight_invalid;
+ last_flight_tell = TELL_FLIGHT_NONE;
+ }
+
+ public AltosVoice(AltosDroid a) {
+ tts = new TextToSpeech(a, new OnInitListener() {
+ public void onInit(int status) {
+ if (status == TextToSpeech.SUCCESS) tts_enabled = true;
+ }
+ });
+ reset_last();
+ }
+
+ public synchronized void set_enable(boolean enable) {
+ tts_enabled = enable;
+ }
+
+ public synchronized void speak(String s) {
+ if (!tts_enabled) return;
+ last_speak_time = now();
+ if (!quiet)
+ tts.speak(s, TextToSpeech.QUEUE_ADD, null);
+ }
+
+ public synchronized long time_since_speak() {
+ return now() - last_speak_time;
+ }
+
+ public synchronized void speak(String format, Object ... arguments) {
+ speak(String.format(format, arguments));
+ }
+
+ public synchronized boolean is_speaking() {
+ return tts.isSpeaking();
+ }
+
+ public void stop() {
+ if (tts != null) {
+ tts.stop();
+ tts.shutdown();
+ }
+ }
+
+ private boolean last_apogee_good;
+ private boolean last_main_good;
+ private boolean last_gps_good;
+
+ private boolean tell_gonogo(String name,
+ boolean current,
+ boolean previous,
+ boolean new_mode) {
+ if (current != previous || new_mode)
+ speak("%s %s.", name, current ? "ready" : "not ready");
+ return current;
+ }
+
+ private boolean tell_pad(TelemetryState telem_state, AltosState state,
+ AltosGreatCircle from_receiver, Location receiver) {
+
+ if (state == null)
+ return false;
+
+ AltosDebug.debug("tell_pad lag %b ltm %d\n", last_apogee_good, last_tell_mode);
+
+ if (state.apogee_voltage != AltosLib.MISSING)
+ last_apogee_good = tell_gonogo("apogee",
+ state.apogee_voltage >= AltosLib.ao_igniter_good,
+ last_apogee_good,
+ last_tell_mode != TELL_MODE_PAD);
+
+ if (state.main_voltage != AltosLib.MISSING)
+ last_main_good = tell_gonogo("main",
+ state.main_voltage >= AltosLib.ao_igniter_good,
+ last_main_good,
+ last_tell_mode != TELL_MODE_PAD);
+
+ if (state.gps != null)
+ last_gps_good = tell_gonogo("G P S",
+ state.gps_ready,
+ last_gps_good,
+ last_tell_mode != TELL_MODE_PAD);
+ return true;
+ }
+
+
+ private boolean descending(int state) {
+ return AltosLib.ao_flight_drogue <= state && state <= AltosLib.ao_flight_landed;
+ }
+
+ private boolean target_moved(AltosState state) {
+ if (last_gps != null && state != null && state.gps != null) {
+ AltosGreatCircle moved = new AltosGreatCircle(last_gps.lat, last_gps.lon, last_gps.alt,
+ state.gps.lat, state.gps.lon, state.gps.alt);
+ double height_change = 0;
+ double height = state.height();
+
+ if (height != AltosLib.MISSING && last_height != AltosLib.MISSING)
+ height_change = Math.abs(last_height - height);
+
+ if (moved.range < 10 && height_change < 10)
+ return false;
+ }
+ return true;
+ }
+
+ private boolean receiver_moved(Location receiver) {
+ if (last_receiver != null && receiver != null) {
+ AltosGreatCircle moved = new AltosGreatCircle(last_receiver.getLatitude(),
+ last_receiver.getLongitude(),
+ last_receiver.getAltitude(),
+ receiver.getLatitude(),
+ receiver.getLongitude(),
+ receiver.getAltitude());
+ if (moved.range < 10)
+ return false;
+ }
+ return true;
+ }
+
+ private boolean tell_flight(TelemetryState telem_state, AltosState state,
+ AltosGreatCircle from_receiver, Location receiver) {
+
+ boolean spoken = false;
+
+ if (state == null)
+ return false;
+
+ if (last_tell_mode != TELL_MODE_FLIGHT)
+ last_flight_tell = TELL_FLIGHT_NONE;
+
+ if (state.state() != last_state && AltosLib.ao_flight_boost <= state.state() && state.state() <= AltosLib.ao_flight_landed) {
+ speak(state.state_name());
+ if (descending(state.state()) && !descending(last_state)) {
+ if (state.max_height() != AltosLib.MISSING) {
+ speak("max height: %s.",
+ AltosConvert.height.say_units(state.max_height()));
+ }
+ }
+ last_flight_tell = TELL_FLIGHT_STATE;
+ return true;
+ }
+
+ if (last_tell_mode == TELL_MODE_FLIGHT && last_flight_tell == TELL_FLIGHT_TRACK) {
+ if (time_since_speak() < 10 * 1000)
+ return false;
+ if (!target_moved(state) && !receiver_moved(receiver))
+ return false;
+ }
+
+ double speed;
+ double height;
+
+ if (last_flight_tell == TELL_FLIGHT_NONE || last_flight_tell == TELL_FLIGHT_STATE || last_flight_tell == TELL_FLIGHT_TRACK) {
+ last_flight_tell = TELL_FLIGHT_SPEED;
+
+ if (state.state() <= AltosLib.ao_flight_coast) {
+ speed = state.speed();
+ } else {
+ speed = state.gps_speed();
+ if (speed == AltosLib.MISSING)
+ speed = state.speed();
+ }
+
+ if (speed != AltosLib.MISSING) {
+ speak("speed: %s.", AltosConvert.speed.say_units(speed));
+ return true;
+ }
+ }
+
+ if (last_flight_tell == TELL_FLIGHT_SPEED) {
+ last_flight_tell = TELL_FLIGHT_HEIGHT;
+ height = state.height();
+
+ if (height != AltosLib.MISSING) {
+ speak("height: %s.", AltosConvert.height.say_units(height));
+ return true;
+ }
+ }
+
+ if (last_flight_tell == TELL_FLIGHT_HEIGHT) {
+ last_flight_tell = TELL_FLIGHT_TRACK;
+ if (from_receiver != null) {
+ speak("bearing %s %d, elevation %d, distance %s.",
+ from_receiver.bearing_words(
+ AltosGreatCircle.BEARING_VOICE),
+ (int) (from_receiver.bearing + 0.5),
+ (int) (from_receiver.elevation + 0.5),
+ AltosConvert.distance.say(from_receiver.distance));
+ return true;
+ }
+ }
+
+ return spoken;
+ }
+
+ private boolean tell_recover(TelemetryState telem_state, AltosState state,
+ AltosGreatCircle from_receiver, Location receiver) {
+
+ if (from_receiver == null)
+ return false;
+
+ if (last_tell_mode == TELL_MODE_RECOVER) {
+ if (!target_moved(state) && !receiver_moved(receiver))
+ return false;
+ if (time_since_speak() <= 10 * 1000)
+ return false;
+ }
+
+ String direction = AltosDroid.direction(from_receiver, receiver);
+ if (direction == null)
+ direction = String.format("Bearing %d", (int) (from_receiver.bearing + 0.5));
+
+ speak("%s, distance %s.", direction,
+ AltosConvert.distance.say_units(from_receiver.distance));
+
+ return true;
+ }
+
+ public void tell(TelemetryState telem_state, AltosState state,
+ AltosGreatCircle from_receiver, Location receiver,
+ AltosDroidTab tab, boolean quiet) {
+
+ this.quiet = quiet;
+
+ boolean spoken = false;
+
+ if (!tts_enabled) return;
+
+ if (is_speaking()) return;
+
+ int tell_serial = last_tell_serial;
+
+ if (state != null)
+ tell_serial = state.cal_data().serial;
+
+ if (tell_serial != last_tell_serial)
+ reset_last();
+
+ int tell_mode = TELL_MODE_NONE;
+
+ if (tab.tab_name().equals(AltosDroid.tab_pad_name))
+ tell_mode = TELL_MODE_PAD;
+ else if (tab.tab_name().equals(AltosDroid.tab_flight_name))
+ tell_mode = TELL_MODE_FLIGHT;
+ else
+ tell_mode = TELL_MODE_RECOVER;
+
+ if (tell_mode == TELL_MODE_PAD)
+ spoken = tell_pad(telem_state, state, from_receiver, receiver);
+ else if (tell_mode == TELL_MODE_FLIGHT)
+ spoken = tell_flight(telem_state, state, from_receiver, receiver);
+ else
+ spoken = tell_recover(telem_state, state, from_receiver, receiver);
+
+ if (spoken) {
+ last_tell_mode = tell_mode;
+ last_tell_serial = tell_serial;
+ if (state != null) {
+ last_state = state.state();
+ last_height = state.height();
+ if (state.gps != null)
+ last_gps = state.gps;
+ }
+ if (receiver != null)
+ last_receiver = receiver;
+ }
+ }
+}
projects / fw / altos / blobdiff