altosui/altosuilib: Shuffle lots more code from altosui into
[fw/altos] / altosuilib / AltosSerial.java
diff --git a/altosuilib/AltosSerial.java b/altosuilib/AltosSerial.java
new file mode 100644 (file)
index 0000000..0632ca7
--- /dev/null
@@ -0,0 +1,208 @@
+/*
+ * 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 org.altusmetrum.altosuilib_2;
+
+import java.io.*;
+import java.util.*;
+import java.awt.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_4.*;
+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>());
+
+       public 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)
+                               close_serial();
+               }
+       }
+
+       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 as %s", device.toShortString(), frequency, callsign));
+               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);
+       }
+
+       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");
+
+               close_serial();
+
+               if (input_thread != null) {
+                       try {
+                               input_thread.interrupt();
+                               input_thread.join();
+                       } catch (InterruptedException ie) {
+                       }
+                       input_thread = null;
+               }
+               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)
+                               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) {
+               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();
+       }
+}