2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.altosuilib_8;
24 import org.altusmetrum.altoslib_8.*;
26 public class AltosDisplayThread extends Thread {
29 IdleThread idle_thread;
31 AltosFlightReader reader;
32 AltosState old_state, state;
33 AltosListenerState listener_state;
34 AltosFlightDisplay display;
36 synchronized void show_safely() {
37 final AltosState my_state = state;
38 final AltosListenerState my_listener_state = listener_state;
39 Runnable r = new Runnable() {
42 display.show(my_state, my_listener_state);
43 } catch (Exception ex) {
47 SwingUtilities.invokeLater(r);
50 void reading_error_internal() {
51 JOptionPane.showMessageDialog(parent,
52 String.format("Error reading from \"%s\"", reader.name),
53 "Telemetry Read Error",
54 JOptionPane.ERROR_MESSAGE);
57 void reading_error_safely() {
58 Runnable r = new Runnable() {
61 reading_error_internal();
62 } catch (Exception ex) {
66 SwingUtilities.invokeLater(r);
69 class IdleThread extends Thread {
76 public synchronized void report(boolean last) {
80 /* reset the landing count once we hear about a new flight */
81 if (state.state() < AltosLib.ao_flight_drogue)
84 /* Shut up once the rocket is on the ground */
85 if (reported_landing > 2) {
89 /* If the rocket isn't on the pad, then report height */
90 if (AltosLib.ao_flight_drogue <= state.state() &&
91 state.state() < AltosLib.ao_flight_landed &&
92 state.from_pad != null &&
95 voice.speak("Height %s, bearing %s %d, elevation %d, range %s.\n",
96 AltosConvert.height.say(state.height()),
97 state.from_pad.bearing_words(
98 AltosGreatCircle.BEARING_VOICE),
99 (int) (state.from_pad.bearing + 0.5),
100 (int) (state.elevation + 0.5),
101 AltosConvert.distance.say(state.range));
102 } else if (state.state() > AltosLib.ao_flight_pad && state.height() != AltosLib.MISSING) {
103 voice.speak(AltosConvert.height.say_units(state.height()));
105 reported_landing = 0;
108 /* If the rocket is coming down, check to see if it has landed;
109 * either we've got a landed report or we haven't heard from it in
112 if (state.state() != AltosLib.ao_flight_stateless &&
113 state.state() >= AltosLib.ao_flight_drogue &&
115 System.currentTimeMillis() - state.received_time >= 15000 ||
116 state.state() == AltosLib.ao_flight_landed))
118 if (Math.abs(state.speed()) < 20 && state.height() < 100)
119 voice.speak("rocket landed safely");
121 voice.speak("rocket may have crashed");
122 if (state.from_pad != null)
123 voice.speak("Bearing %d degrees, range %s.",
124 (int) (state.from_pad.bearing + 0.5),
125 AltosConvert.distance.say_units(state.from_pad.distance));
131 return System.currentTimeMillis();
134 void set_report_time() {
135 report_time = now() + report_interval;
141 if (reader.has_monitor_battery()) {
142 listener_state.battery = reader.monitor_battery();
148 synchronized (this) {
149 long sleep_time = report_time - now();
158 } catch (InterruptedException ie) {
161 } catch (InterruptedException iie) { }
165 public synchronized void notice(boolean spoken) {
166 if (old_state != null && old_state.state() != state.state()) {
173 public IdleThread() {
174 reported_landing = 0;
175 report_interval = 10000;
179 synchronized boolean tell() {
181 if (old_state == null || old_state.state() != state.state()) {
182 if (state.state() != AltosLib.ao_flight_stateless)
183 voice.speak(state.state_name());
184 if ((old_state == null || old_state.state() <= AltosLib.ao_flight_boost) &&
185 state.state() > AltosLib.ao_flight_boost) {
186 if (state.max_speed() != AltosLib.MISSING)
187 voice.speak("max speed: %s.",
188 AltosConvert.speed.say_units(state.max_speed() + 0.5));
190 } else if ((old_state == null || old_state.state() < AltosLib.ao_flight_drogue) &&
191 state.state() >= AltosLib.ao_flight_drogue) {
192 if (state.max_height() != AltosLib.MISSING)
193 voice.speak("max height: %s.",
194 AltosConvert.height.say_units(state.max_height() + 0.5));
198 if (old_state == null || old_state.gps_ready != state.gps_ready) {
199 if (state.gps_ready) {
200 voice.speak("GPS ready");
203 else if (old_state != null) {
204 voice.speak("GPS lost");
213 boolean interrupted = false;
216 idle_thread = new IdleThread();
222 AltosState new_state = reader.read();
223 if (new_state == null) {
225 listener_state.running = false;
228 reader.update(new_state);
232 idle_thread.notice(told);
233 } catch (ParseException pp) {
234 System.out.printf("Parse error: %d \"%s\"\n", pp.getErrorOffset(), pp.getMessage());
235 } catch (AltosCRCException ce) {
236 ++listener_state.crc_errors;
240 } catch (InterruptedException ee) {
242 } catch (IOException ie) {
243 reading_error_safely();
246 idle_thread.report(true);
247 reader.close(interrupted);
248 idle_thread.interrupt();
251 } catch (InterruptedException ie) {}
255 public AltosDisplayThread(Frame in_parent, AltosVoice in_voice, AltosFlightDisplay in_display, AltosFlightReader in_reader) {
256 listener_state = new AltosListenerState();
259 display = in_display;