134 lines
3.4 KiB
Java
134 lines
3.4 KiB
Java
/*
|
|
* Copyright © 2016 Keith Packard <keithp@keithp.com>
|
|
*
|
|
* 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.altoslib_14;
|
|
|
|
import java.text.*;
|
|
import java.io.*;
|
|
import java.util.concurrent.*;
|
|
|
|
public class AltosIdleReader extends AltosFlightReader {
|
|
AltosLink link;
|
|
boolean remote;
|
|
AltosCalData cal_data = null;
|
|
AltosState state = null;
|
|
AltosIdleFetch fetch;
|
|
long next_millis;
|
|
static final long report_interval = 5 * 1000;
|
|
static final long minimum_delay = 1 * 1000;
|
|
|
|
private void start_link() throws InterruptedException, TimeoutException {
|
|
if (remote) {
|
|
link.start_remote();
|
|
} else
|
|
link.flush_input();
|
|
}
|
|
|
|
private boolean stop_link() throws InterruptedException, TimeoutException {
|
|
if (remote)
|
|
link.stop_remote();
|
|
return link.reply_abort;
|
|
}
|
|
|
|
public AltosCalData cal_data() {
|
|
if (cal_data == null) {
|
|
try {
|
|
cal_data = new AltosCalData(link.config_data());
|
|
} catch (InterruptedException ie) {
|
|
} catch (TimeoutException te) {
|
|
}
|
|
if (cal_data == null)
|
|
cal_data = new AltosCalData();
|
|
}
|
|
return cal_data;
|
|
}
|
|
|
|
public AltosState read() throws InterruptedException, ParseException, AltosCRCException, IOException {
|
|
boolean worked = false;
|
|
boolean aborted = false;
|
|
|
|
long delay = next_millis - System.currentTimeMillis();
|
|
|
|
if (delay > 0)
|
|
Thread.sleep(delay);
|
|
next_millis = System.currentTimeMillis() + report_interval;
|
|
try {
|
|
try {
|
|
start_link();
|
|
if (state == null)
|
|
state = new AltosState(cal_data());
|
|
fetch.provide_data(state);
|
|
if (!link.has_error && !link.reply_abort)
|
|
worked = true;
|
|
} catch (TimeoutException te) {
|
|
} catch (AltosUnknownProduct ue) {
|
|
worked = true;
|
|
}
|
|
} finally {
|
|
try {
|
|
aborted = stop_link();
|
|
} catch (TimeoutException te) {
|
|
aborted = true;
|
|
}
|
|
if (worked) {
|
|
if (remote) {
|
|
try {
|
|
state.set_rssi(link.rssi(), 0);
|
|
} catch (TimeoutException te) {
|
|
state.set_rssi(0, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
long finish = System.currentTimeMillis();
|
|
|
|
if (next_millis - finish < minimum_delay)
|
|
next_millis = finish + minimum_delay;
|
|
|
|
return state;
|
|
}
|
|
|
|
public void close(boolean interrupted) {
|
|
try {
|
|
link.close();
|
|
} catch (InterruptedException ie) {
|
|
}
|
|
}
|
|
|
|
public void set_frequency(double frequency) throws InterruptedException, TimeoutException {
|
|
link.set_radio_frequency(frequency);
|
|
}
|
|
|
|
public void save_frequency() {
|
|
AltosPreferences.set_frequency(link.serial, link.frequency);
|
|
}
|
|
|
|
public void set_callsign(String callsign) throws InterruptedException, TimeoutException {
|
|
link.set_callsign(callsign);
|
|
}
|
|
|
|
public AltosIdleReader (AltosLink link, boolean remote)
|
|
throws IOException, InterruptedException, TimeoutException {
|
|
this.link = link;
|
|
this.remote = remote;
|
|
this.next_millis = System.currentTimeMillis();
|
|
fetch = new AltosIdleFetch(link);
|
|
}
|
|
}
|