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/*
* Copyright © 2010 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; version 2 of the License.
*
* 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 altosui;
import java.lang.*;
import java.text.*;
import java.io.*;
import java.util.concurrent.*;
class AltosTelemetryReader extends AltosFlightReader {
AltosDevice device;
AltosSerial serial;
AltosLog log;
AltosRecord previous;
double frequency;
int telemetry;
LinkedBlockingQueue<AltosLine> telem;
AltosRecord read() throws InterruptedException, ParseException, AltosCRCException, IOException {
AltosLine l = telem.take();
if (l.line == null)
throw new IOException("IO error");
AltosRecord next = AltosTelemetry.parse(l.line, previous);
previous = next;
return next;
}
void flush() {
telem.clear();
}
void close(boolean interrupted) {
serial.remove_monitor(telem);
log.close();
serial.close();
}
public void set_frequency(double in_frequency) throws InterruptedException, TimeoutException {
frequency = in_frequency;
serial.set_radio_frequency(frequency);
}
void save_frequency() {
AltosPreferences.set_frequency(device.getSerial(), frequency);
}
void set_telemetry(int in_telemetry) {
telemetry = in_telemetry;
serial.set_telemetry(telemetry);
}
void save_telemetry() {
AltosPreferences.set_telemetry(device.getSerial(), telemetry);
}
File backing_file() {
return log.file();
}
public AltosTelemetryReader (AltosDevice in_device)
throws FileNotFoundException, AltosSerialInUseException, IOException, InterruptedException, TimeoutException {
device = in_device;
serial = new AltosSerial(device);
log = new AltosLog(serial);
name = device.toShortString();
previous = null;
telem = new LinkedBlockingQueue<AltosLine>();
frequency = AltosPreferences.frequency(device.getSerial());
set_frequency(frequency);
telemetry = AltosPreferences.telemetry(device.getSerial());
set_telemetry(telemetry);
serial.set_callsign(AltosPreferences.callsign());
serial.add_monitor(telem);
}
}
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