package altosui;
-import java.lang.*;
import java.io.*;
-import java.util.concurrent.*;
import java.util.*;
import java.awt.*;
-import java.awt.event.*;
import javax.swing.*;
-import javax.swing.filechooser.FileNameExtensionFilter;
-import javax.swing.table.*;
+import org.altusmetrum.altoslib_4.*;
+import org.altusmetrum.altosuilib_2.*;
import libaltosJNI.*;
* threads.
*/
-public class AltosSerial implements Runnable {
+public class AltosSerial extends AltosLink {
static java.util.List<String> devices_opened = Collections.synchronizedList(new LinkedList<String>());
AltosDevice device;
SWIGTYPE_p_altos_file altos;
- LinkedList<LinkedBlockingQueue<AltosLine>> monitors;
- LinkedBlockingQueue<AltosLine> reply_queue;
Thread input_thread;
String line;
byte[] line_bytes;
int line_count;
- boolean monitor_mode;
- int telemetry;
- int channel;
- static boolean debug;
- boolean remote;
- LinkedList<String> pending_output = new LinkedList<String>();
Frame frame;
- static void set_debug(boolean new_debug) {
- debug = new_debug;
- }
-
- public void run () {
- int c;
-
- try {
- for (;;) {
- c = libaltos.altos_getchar(altos, 0);
- if (Thread.interrupted())
- break;
- if (c == libaltosConstants.LIBALTOS_ERROR) {
- for (int e = 0; e < monitors.size(); e++) {
- LinkedBlockingQueue<AltosLine> q = monitors.get(e);
- q.put(new AltosLine());
- }
- reply_queue.put (new AltosLine());
- break;
- }
- if (c == libaltosConstants.LIBALTOS_TIMEOUT)
- continue;
- if (c == '\r')
- continue;
- synchronized(this) {
- if (c == '\n') {
- if (line_count != 0) {
- try {
- line = new String(line_bytes, 0, line_count, "UTF-8");
- } catch (UnsupportedEncodingException ue) {
- line = "";
- for (int i = 0; i < line_count; i++)
- line = line + line_bytes[i];
- }
- if (debug)
- System.out.printf("\t\t\t\t\t%s\n", line);
- if (line.startsWith("VERSION") || line.startsWith("CRC")) {
- for (int e = 0; e < monitors.size(); e++) {
- LinkedBlockingQueue<AltosLine> q = monitors.get(e);
- q.put(new AltosLine (line));
- }
- } else {
- reply_queue.put(new AltosLine (line));
- }
- line_count = 0;
- line = "";
- }
- } else {
- if (line_bytes == null) {
- line_bytes = new byte[256];
- } else if (line_count == line_bytes.length) {
- byte[] new_line_bytes = new byte[line_count * 2];
- System.arraycopy(line_bytes, 0, new_line_bytes, 0, line_count);
- line_bytes = new_line_bytes;
- }
- line_bytes[line_count] = (byte) c;
- line_count++;
- }
- }
- }
- } catch (InterruptedException e) {
- }
+ public int getchar() {
+ if (altos == null)
+ return ERROR;
+ return libaltos.altos_getchar(altos, 0);
}
public void flush_output() {
+ super.flush_output();
if (altos != null) {
- for (String s : pending_output)
- System.out.print(s);
- pending_output.clear();
- libaltos.altos_flush(altos);
+ if (libaltos.altos_flush(altos) != 0)
+ close_serial();
}
}
- boolean abort;
JDialog timeout_dialog;
- boolean timeout_started = false;
-
- private void stop_timeout_dialog() {
- if (timeout_started) {
- timeout_started = false;
- Runnable r = new Runnable() {
- public void run() {
- timeout_dialog.setVisible(false);
- }
- };
- SwingUtilities.invokeLater(r);
- }
- }
private void start_timeout_dialog_internal() {
Object[] options = { "Cancel" };
JOptionPane pane = new JOptionPane();
- pane.setMessage(String.format("Connecting to %s", device.getPath()));
+ pane.setMessage(String.format("Connecting to %s, %7.3f MHz as %s", device.toShortString(), frequency, callsign));
pane.setOptions(options);
pane.setInitialValue(null);
if (o == null)
return;
if (options[0].equals(o))
- abort = true;
+ reply_abort = true;
timeout_dialog.dispose();
timeout_dialog = null;
}
- private boolean check_timeout() {
- if (!timeout_started && frame != null) {
- if (!SwingUtilities.isEventDispatchThread()) {
- timeout_started = true;
- Runnable r = new Runnable() {
- public void run() {
- start_timeout_dialog_internal();
- }
- };
- SwingUtilities.invokeLater(r);
- }
- }
- return abort;
- }
-
- public void flush_input() {
- flush_output();
- boolean got_some;
-
- int timeout = 100;
- if (remote)
- timeout = 500;
- do {
- try {
- Thread.sleep(timeout);
- } catch (InterruptedException ie) {
- }
- got_some = !reply_queue.isEmpty();
- synchronized(this) {
- if (!"VERSION".startsWith(line) &&
- !line.startsWith("VERSION"))
- line = "";
- reply_queue.clear();
- }
- } while (got_some);
- }
+ /*
+ * These are required by the AltosLink implementation
+ */
- public String get_reply() throws InterruptedException {
- if (SwingUtilities.isEventDispatchThread())
- System.out.printf("Uh-oh, reading serial device from swing thread\n");
- flush_output();
- AltosLine line = reply_queue.take();
- return line.line;
+ public boolean can_cancel_reply() {
+ /*
+ * Can cancel any replies not called from the dispatch thread
+ */
+ return !SwingUtilities.isEventDispatchThread();
}
- int in_reply;
-
- public String get_reply(int timeout) throws InterruptedException {
- boolean can_cancel = true;
- ++in_reply;
-
- if (SwingUtilities.isEventDispatchThread()) {
- can_cancel = false;
- System.out.printf("Uh-oh, reading serial device from swing thread\n");
- }
- flush_output();
- if (remote && can_cancel) {
- timeout = 500;
- }
- abort = false;
- timeout_started = false;
- for (;;) {
- AltosLine line = reply_queue.poll(timeout, TimeUnit.MILLISECONDS);
- if (line != null) {
- stop_timeout_dialog();
- --in_reply;
- return line.line;
- }
- if (!remote || !can_cancel || check_timeout()) {
- --in_reply;
- return null;
- }
+ 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 add_monitor(LinkedBlockingQueue<AltosLine> q) {
- set_monitor(true);
- monitors.add(q);
+ public void hide_reply_timeout() {
+ Runnable r = new Runnable() {
+ public void run() {
+ timeout_dialog.setVisible(false);
+ }
+ };
+ SwingUtilities.invokeLater(r);
}
- public void remove_monitor(LinkedBlockingQueue<AltosLine> q) {
- monitors.remove(q);
- if (monitors.isEmpty())
- set_monitor(false);
+ private void close_serial() {
+ synchronized (devices_opened) {
+ devices_opened.remove(device.getPath());
+ }
+ if (altos != null) {
+ libaltos.altos_free(altos);
+ altos = null;
+ }
+ abort_reply();
}
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);
- }
+ close_serial();
+
if (input_thread != null) {
try {
input_thread.interrupt();
input_thread.join();
- } catch (InterruptedException e) {
+ } catch (InterruptedException ie) {
}
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)
- libaltos.altos_putchar(altos, c);
+ if (libaltos.altos_putchar(altos, c) != 0)
+ close_serial();
+ }
+
+ public void putchar(byte c) {
+ if (altos != null) {
+ if (debug)
+ System.out.printf(" %02x", (int) c & 0xff);
+ if (libaltos.altos_putchar(altos, (char) c) != 0)
+ close_serial();
+ }
}
public void print(String data) {
- if (debug)
- pending_output.add(data);
for (int i = 0; i < data.length(); i++)
putc(data.charAt(i));
}
- public void printf(String format, Object ... arguments) {
- print(String.format(format, arguments));
- }
-
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 = libaltos.altos_open(device);
+ altos = device.open();
if (altos == null) {
+ final String message = device.getErrorString();
close();
- throw new FileNotFoundException(device.toShortString());
+ throw new FileNotFoundException(String.format("%s (%s)",
+ device.toShortString(), message));
}
if (debug)
System.out.printf("Open %s\n", device.getPath());
flush_output();
}
- public void set_radio() {
- telemetry = AltosPreferences.telemetry(device.getSerial());
- channel = AltosPreferences.channel(device.getSerial());
- set_channel(channel);
- set_callsign(AltosPreferences.callsign());
- }
-
- public void set_channel(int in_channel) {
- channel = in_channel;
- if (altos != null) {
- if (monitor_mode)
- printf("m 0\nc r %d\nm %d\n", channel, telemetry);
- else
- printf("c r %d\n", channel);
- flush_output();
- }
- }
-
- public void set_telemetry(int in_telemetry) {
- telemetry = in_telemetry;
- if (altos != null) {
- if (monitor_mode)
- printf("m 0\nm %d\n", telemetry);
- flush_output();
- }
- }
-
- void set_monitor(boolean monitor) {
- monitor_mode = monitor;
- if (altos != null) {
- if (monitor)
- printf("m %d\n", telemetry);
- else
- printf("m 0\n");
- flush_output();
- }
- }
-
- public void set_callsign(String callsign) {
- if (altos != null) {
- printf ("c c %s\n", callsign);
- flush_output();
- }
- }
-
- public void start_remote() {
- if (debug)
- System.out.printf("start remote\n");
- set_radio();
- printf("p\nE 0\n");
- flush_input();
- remote = true;
- }
-
- public void stop_remote() {
- if (debug)
- System.out.printf("stop remote\n");
- try {
- flush_input();
- } finally {
- printf ("~\n");
- flush_output();
- }
- remote = false;
- }
-
public void set_frame(Frame in_frame) {
frame = in_frame;
}
public AltosSerial(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
device = in_device;
- line = "";
- monitor_mode = false;
frame = null;
- telemetry = Altos.ao_telemetry_full;
- monitors = new LinkedList<LinkedBlockingQueue<AltosLine>> ();
- reply_queue = new LinkedBlockingQueue<AltosLine> ();
+ serial = device.getSerial();
+ name = device.toShortString();
open();
}
}
projects / fw / altos / blobdiff