141 lines
3.5 KiB
Java
141 lines
3.5 KiB
Java
/*
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* Copyright © 2010 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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package org.altusmetrum.altoslib_14;
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import java.io.*;
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import java.util.concurrent.*;
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public class AltosIdleMonitor extends Thread {
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AltosLink link;
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AltosIdleMonitorListener listener;
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AltosIdleFetch fetch;
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boolean remote;
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boolean close_on_exit;
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double frequency = AltosLib.MISSING;
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String callsign;
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AltosState state;
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AltosListenerState listener_state;
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AltosConfigData config_data;
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AltosGPS gps;
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void start_link() throws InterruptedException, TimeoutException {
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if (remote) {
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link.set_radio_frequency(frequency);
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link.set_callsign(callsign);
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link.start_remote();
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} else
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link.flush_input();
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}
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boolean stop_link() throws InterruptedException, TimeoutException {
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if (remote)
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link.stop_remote();
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return link.reply_abort;
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}
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boolean provide_data() throws InterruptedException, TimeoutException, AltosUnknownProduct {
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boolean worked = false;
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boolean aborted = false;
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try {
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start_link();
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link.config_data();
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if (state == null)
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state = new AltosState(new AltosCalData(link.config_data()));
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fetch.provide_data(state);
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if (frequency != AltosLib.MISSING)
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state.set_frequency(frequency);
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if (!link.has_error && !link.reply_abort)
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worked = true;
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} finally {
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aborted = stop_link();
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if (worked) {
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if (remote)
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state.set_rssi(link.rssi(), 0);
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listener_state.battery = link.monitor_battery();
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}
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}
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return aborted;
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}
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public void set_frequency(double in_frequency) {
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frequency = in_frequency;
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link.abort_reply();
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}
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public void set_callsign(String in_callsign) {
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callsign = in_callsign;
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link.abort_reply();
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}
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public void abort() throws InterruptedException {
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while (isAlive()) {
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interrupt();
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link.abort_reply();
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Thread.sleep(100);
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}
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join();
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}
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public void run() {
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state = null;
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try {
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for (;;) {
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try {
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provide_data();
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listener.update(state, listener_state);
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} catch (TimeoutException te) {
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} catch (AltosUnknownProduct ae) {
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listener.error(String.format("Unknown product \"%s\"", ae.product));
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}
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if (link.has_error || link.reply_abort) {
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listener.failed();
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break;
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}
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Thread.sleep(1000);
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}
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} catch (InterruptedException ie) {
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}
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if (close_on_exit) {
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try {
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link.close();
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} catch (InterruptedException ie) {
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}
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}
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}
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public AltosIdleMonitor(AltosIdleMonitorListener in_listener, AltosLink in_link, boolean in_remote, boolean in_close_on_exit) {
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listener = in_listener;
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link = in_link;
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remote = in_remote;
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close_on_exit = in_close_on_exit;
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listener_state = new AltosListenerState();
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fetch = new AltosIdleFetch(link);
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}
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public AltosIdleMonitor(AltosIdleMonitorListener in_listener, AltosLink in_link, boolean in_remote) {
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this(in_listener, in_link, in_remote, true);
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}
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}
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