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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.
*/
/*
* Deal with TeleDongle on a serial port
*/
package AltosUI;
import java.lang.*;
import java.io.*;
import java.util.concurrent.*;
import java.util.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.*;
import org.altusmetrum.AltosLib.*;
import libaltosJNI.*;
/*
* This class reads from the serial port and places each received
* line in a queue. Dealing with that queue is left up to other
* threads.
*/
public class AltosSerial extends AltosLink {
static java.util.List<String> devices_opened = Collections.synchronizedList(new LinkedList<String>());
AltosDevice device;
SWIGTYPE_p_altos_file altos;
Thread input_thread;
String line;
byte[] line_bytes;
int line_count;
Frame frame;
public int getchar() {
if (altos == null)
return ERROR;
return libaltos.altos_getchar(altos, 0);
}
public void flush_output() {
super.flush_output();
if (altos != null) {
if (libaltos.altos_flush(altos) != 0) {
libaltos.altos_close(altos);
altos = null;
abort_reply();
}
}
}
JDialog timeout_dialog;
private void start_timeout_dialog_internal() {
Object[] options = { "Cancel" };
JOptionPane pane = new JOptionPane();
pane.setMessage(String.format("Connecting to %s, %7.3f MHz", device.toShortString(), frequency));
pane.setOptions(options);
pane.setInitialValue(null);
timeout_dialog = pane.createDialog(frame, "Connecting...");
timeout_dialog.setVisible(true);
Object o = pane.getValue();
if (o == null)
return;
if (options[0].equals(o))
reply_abort = true;
timeout_dialog.dispose();
timeout_dialog = null;
}
/*
* These are required by the AltosLink implementation
*/
public boolean can_cancel_reply() {
/*
* Can cancel any replies not called from the dispatch thread
*/
return !SwingUtilities.isEventDispatchThread();
}
public boolean show_reply_timeout() {
if (!SwingUtilities.isEventDispatchThread() && frame != null) {
Runnable r = new Runnable() {
public void run() {
start_timeout_dialog_internal();
}
};
SwingUtilities.invokeLater(r);
return true;
}
return false;
}
public void hide_reply_timeout() {
Runnable r = new Runnable() {
public void run() {
timeout_dialog.setVisible(false);
}
};
SwingUtilities.invokeLater(r);
}
public void close() {
if (remote) {
try {
stop_remote();
} catch (InterruptedException ie) {
}
}
if (in_reply != 0)
System.out.printf("Uh-oh. Closing active serial device\n");
if (altos != null) {
libaltos.altos_close(altos);
}
if (input_thread != null) {
try {
input_thread.interrupt();
input_thread.join();
} catch (InterruptedException e) {
}
input_thread = null;
}
if (altos != null) {
libaltos.altos_free(altos);
altos = null;
}
synchronized (devices_opened) {
devices_opened.remove(device.getPath());
}
if (debug)
System.out.printf("Closing %s\n", device.getPath());
}
private void putc(char c) {
if (altos != null)
if (libaltos.altos_putchar(altos, c) != 0) {
libaltos.altos_close(altos);
altos = null;
abort_reply();
}
}
public void print(String data) {
for (int i = 0; i < data.length(); i++)
putc(data.charAt(i));
}
private void open() throws FileNotFoundException, AltosSerialInUseException {
synchronized (devices_opened) {
if (devices_opened.contains(device.getPath()))
throw new AltosSerialInUseException(device);
devices_opened.add(device.getPath());
}
altos = device.open();
if (altos == null) {
final String message = device.getErrorString();
close();
throw new FileNotFoundException(String.format("%s (%s)",
device.toShortString(), message));
}
if (debug)
System.out.printf("Open %s\n", device.getPath());
input_thread = new Thread(this);
input_thread.start();
print("~\nE 0\n");
set_monitor(false);
flush_output();
}
public void set_frame(Frame in_frame) {
frame = in_frame;
}
public AltosSerial(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
device = in_device;
frame = null;
serial = device.getSerial();
name = device.toShortString();
open();
}
}
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