2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 * Deal with TeleDongle on a serial port
26 import java.util.concurrent.LinkedBlockingQueue;
27 import java.util.LinkedList;
28 import java.util.Iterator;
29 import altosui.AltosSerialMonitor;
30 import libaltosJNI.libaltos;
31 import libaltosJNI.altos_device;
32 import libaltosJNI.SWIGTYPE_p_altos_file;
33 import libaltosJNI.SWIGTYPE_p_altos_list;
36 * This class reads from the serial port and places each received
37 * line in a queue. Dealing with that queue is left up to other
41 public class AltosSerial implements Runnable {
43 SWIGTYPE_p_altos_file altos;
44 LinkedList<LinkedBlockingQueue<String>> monitors;
45 LinkedBlockingQueue<String> reply_queue;
56 c = libaltos.altos_getchar(altos, 0);
57 if (Thread.interrupted())
65 if (line_count != 0) {
67 line = new String(line_bytes, 0, line_count, "UTF-8");
68 } catch (UnsupportedEncodingException ue) {
70 for (int i = 0; i < line_count; i++)
71 line = line + line_bytes[i];
73 if (line.startsWith("VERSION")) {
74 for (int e = 0; e < monitors.size(); e++) {
75 LinkedBlockingQueue<String> q = monitors.get(e);
79 // System.out.printf("GOT: %s\n", line);
80 reply_queue.put(line);
86 if (line_bytes == null) {
87 line_bytes = new byte[256];
88 } else if (line_count == line_bytes.length) {
89 byte[] new_line_bytes = new byte[line_count * 2];
90 System.arraycopy(line_bytes, 0, new_line_bytes, 0, line_count);
91 line_bytes = new_line_bytes;
93 line_bytes[line_count] = (byte) c;
98 } catch (InterruptedException e) {
102 public void flush_reply() {
103 libaltos.altos_flush(altos);
106 } catch (InterruptedException ie) {
111 public String get_reply() throws InterruptedException {
112 libaltos.altos_flush(altos);
113 String line = reply_queue.take();
117 public void add_monitor(LinkedBlockingQueue<String> q) {
121 public void remove_monitor(LinkedBlockingQueue<String> q) {
125 public void flush () {
127 if (!"VERSION".startsWith(line) && !line.startsWith("VERSION"))
133 public boolean opened() {
134 return altos != null;
137 public void close() {
139 libaltos.altos_close(altos);
140 if (input_thread != null) {
142 input_thread.interrupt();
144 } catch (InterruptedException e) {
149 libaltos.altos_free(altos);
154 public void putc(char c) {
156 libaltos.altos_putchar(altos, c);
159 public void print(String data) {
160 //h System.out.printf("\"%s\" ", data);
161 for (int i = 0; i < data.length(); i++)
162 putc(data.charAt(i));
165 public void printf(String format, Object ... arguments) {
166 print(String.format(format, arguments));
169 public void open(altos_device device) throws FileNotFoundException {
171 altos = libaltos.altos_open(device);
173 throw new FileNotFoundException(device.getPath());
174 input_thread = new Thread(this);
175 input_thread.start();
179 } catch (InterruptedException e) {
184 public void set_channel(int channel) {
186 printf("m 0\nc r %d\nm 1\n", channel);
189 public void set_callsign(String callsign) {
191 printf ("c c %s\n", callsign);
194 public AltosSerial() {
198 monitors = new LinkedList<LinkedBlockingQueue<String>> ();
199 reply_queue = new LinkedBlockingQueue<String> ();