X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosuilib%2FAltosSerial.java;fp=altosuilib%2FAltosSerial.java;h=60e15bdb094c9b0d664ef8940f587090e34062e1;hb=3cf030fffffd223c3717011e03aac82346295d71;hp=0000000000000000000000000000000000000000;hpb=607fbb01710be1cb263625337f5be3d0fb48d5e7;p=fw%2Faltos diff --git a/altosuilib/AltosSerial.java b/altosuilib/AltosSerial.java new file mode 100644 index 00000000..60e15bdb --- /dev/null +++ b/altosuilib/AltosSerial.java @@ -0,0 +1,208 @@ +/* + * Copyright © 2010 Keith Packard + * + * 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 devices_opened = Collections.synchronizedList(new LinkedList()); + + 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 synchronized 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(); + } +}