* threads.
*/
-public class AltosSerial extends AltosLink implements Runnable {
+public class AltosSerial extends AltosLink {
static java.util.List<String> devices_opened = Collections.synchronizedList(new LinkedList<String>());
int line_count;
Frame frame;
- public void run () {
- int c;
- byte[] line_bytes = null;
- int line_count = 0;
-
- try {
- for (;;) {
- c = libaltos.altos_getchar(altos, 0);
- if (Thread.interrupted())
- break;
- if (c == libaltosConstants.LIBALTOS_ERROR) {
- add_telem (new AltosLine());
- add_reply (new AltosLine());
- break;
- }
- if (c == libaltosConstants.LIBALTOS_TIMEOUT)
- continue;
- if (c == '\r')
- continue;
- synchronized(this) {
- if (c == '\n') {
- if (line_count != 0) {
- add_bytes(line_bytes, line_count);
- line_count = 0;
- }
- } 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) {
- libaltos.altos_flush(altos);
+ if (libaltos.altos_flush(altos) != 0) {
+ libaltos.altos_close(altos);
+ altos = null;
+ abort_reply();
+ }
}
}
private void putc(char c) {
if (altos != null)
- libaltos.altos_putchar(altos, c);
+ if (libaltos.altos_putchar(altos, c) != 0) {
+ libaltos.altos_close(altos);
+ altos = null;
+ abort_reply();
+ }
}
public void print(String data) {