LinkedBlockingQueue<String> reply_queue;
Thread input_thread;
String line;
+ byte[] line_bytes;
+ int line_count;
+ boolean monitor_mode;
public void run () {
int c;
try {
for (;;) {
- if (altos == null)
- break;
c = libaltos.altos_getchar(altos, 0);
if (Thread.interrupted())
break;
continue;
synchronized(this) {
if (c == '\n') {
- if (line != "") {
+ 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 (line.startsWith("VERSION")) {
for (int e = 0; e < monitors.size(); e++) {
LinkedBlockingQueue<String> q = monitors.get(e);
q.put(line);
}
- } else
+ } else {
+// System.out.printf("GOT: %s\n", line);
reply_queue.put(line);
+ }
+ line_count = 0;
line = "";
}
} else {
- line = line + (char) c;
+ 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++;
}
}
}
}
}
+ public void flush_output() {
+ libaltos.altos_flush(altos);
+ }
+
+ public void flush_input() {
+ flush_output();
+ try {
+ Thread.sleep(200);
+ } catch (InterruptedException ie) {
+ }
+ synchronized(this) {
+ if (!"VERSION".startsWith(line) &&
+ !line.startsWith("VERSION"))
+ line = "";
+ reply_queue.clear();
+ }
+ }
+
public String get_reply() throws InterruptedException {
- return reply_queue.take();
+ flush_output();
+ String line = reply_queue.take();
+ return line;
}
public void add_monitor(LinkedBlockingQueue<String> q) {
+ set_monitor(true);
monitors.add(q);
}
public void remove_monitor(LinkedBlockingQueue<String> q) {
monitors.remove(q);
- }
-
- public void flush () {
- synchronized(this) {
- if (!"VERSION".startsWith(line) && !line.startsWith("VERSION"))
- line = "";
- reply_queue.clear();
- }
+ if (monitors.isEmpty())
+ set_monitor(false);
}
public boolean opened() {
public void close() {
if (altos != null) {
libaltos.altos_close(altos);
- altos = null;
}
if (input_thread != null) {
try {
}
input_thread = null;
}
+ if (altos != null) {
+ libaltos.altos_free(altos);
+ altos = null;
+ }
}
public void putc(char c) {
}
public void print(String data) {
+// System.out.printf("\"%s\" ", data);
for (int i = 0; i < data.length(); i++)
putc(data.charAt(i));
}
throw new FileNotFoundException(device.getPath());
input_thread = new Thread(this);
input_thread.start();
- print("\nE 0\n");
- try {
- Thread.sleep(200);
- } catch (InterruptedException e) {
- }
- flush();
+ print("~\nE 0\n");
+ set_monitor(monitor_mode);
+ flush_input();
}
public void set_channel(int channel) {
+ if (altos != null) {
+ if (monitor_mode)
+ printf("m 0\nc r %d\nm 1\n", channel);
+ else
+ printf("c r %d\n", channel);
+ }
+ }
+
+ void set_monitor(boolean monitor) {
+ monitor_mode = monitor;
+ if (altos != null) {
+ if (monitor)
+ printf("m 1\n");
+ else
+ printf("m 0\n");
+ }
+ }
+
+ public void set_callsign(String callsign) {
if (altos != null)
- printf("m 0\nc r %d\nm 1\n", channel);
+ printf ("c c %s\n", callsign);
}
public AltosSerial() {
altos = null;
input_thread = null;
line = "";
+ monitor_mode = false;
monitors = new LinkedList<LinkedBlockingQueue<String>> ();
reply_queue = new LinkedBlockingQueue<String> ();
}