import org.altusmetrum.altoslib_6.*;
-public class AltosBluetooth extends AltosLink {
+public class AltosBluetooth extends AltosDroidLink {
// Debugging
private static final String TAG = "AltosBluetooth";
private static final boolean D = true;
private ConnectThread connect_thread = null;
- private Thread input_thread = null;
-
- private Handler handler;
private BluetoothAdapter adapter;
private BluetoothSocket socket;
// Constructor
public AltosBluetooth(BluetoothDevice device, Handler handler) {
+ super(handler);
// set_debug(D);
adapter = BluetoothAdapter.getDefaultAdapter();
this.handler = handler;
connect_thread.start();
}
- private Object closed_lock = new Object();
- private boolean closed = false;
-
- private boolean closed() {
- synchronized(closed_lock) {
- return closed;
- }
- }
-
- private void connected() {
+ void connected() {
if (closed()) {
if (D) Log.d(TAG, "connected after closed");
return;
if (socket != null) {
input = socket.getInputStream();
output = socket.getOutputStream();
-
- input_thread = new Thread(this);
- input_thread.start();
-
- // Configure the newly connected device for telemetry
- print("~\nE 0\n");
- set_monitor(false);
- if (D) Log.d(TAG, "ConnectThread: connected");
-
- /* Let TelemetryService know we're connected
- */
- handler.obtainMessage(TelemetryService.MSG_CONNECTED, this).sendToTarget();
-
- /* Notify other waiting threads that we're connected now
- */
- notifyAll();
+ super.connected();
}
}
+ } catch (InterruptedException ie) {
+ connect_failed();
} catch (IOException io) {
connect_failed();
}
return;
}
- close_socket();
+ close_device();
input = null;
output = null;
handler.obtainMessage(TelemetryService.MSG_CONNECT_FAILED, this).sendToTarget();
if (D) Log.e(TAG, "ConnectThread: Failed to establish connection");
}
- private void disconnected() {
- if (closed()) {
- if (D) Log.d(TAG, "disconnected after closed");
- return;
- }
-
- if (D) Log.d(TAG, "Sending disconnected message");
- handler.obtainMessage(TelemetryService.MSG_DISCONNECTED, this).sendToTarget();
- }
-
- private void close_socket() {
+ void close_device() {
BluetoothSocket tmp_socket;
synchronized(this) {
}
}
+ public void close() {
+ super.close();
+ input = null;
+ output = null;
+ }
+
private final UUID SPP_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private void create_socket(BluetoothDevice device) {
}
if (socket != null) {
if (D) Log.d(TAG, String.format("Socket already allocated %s", socket.toString()));
- close_socket();
+ close_device();
}
synchronized (this) {
socket = tmp_socket;
}
}
- public double frequency() {
- return frequency;
- }
-
- public int telemetry_rate() {
- return telemetry_rate;
- }
-
- public void save_frequency() {
- AltosPreferences.set_frequency(0, frequency);
- }
-
- public void save_telemetry_rate() {
- AltosPreferences.set_telemetry_rate(0, telemetry_rate);
- }
-
private synchronized void wait_connected() throws InterruptedException, IOException {
if (input == null && socket != null) {
if (D) Log.d(TAG, "wait_connected...");
throw new IOException();
}
- public void print(String data) {
- byte[] bytes = data.getBytes();
- if (D) Log.d(TAG, "print(): begin");
+ int write(byte[] buffer, int len) {
try {
- wait_connected();
- output.write(bytes);
- if (D) Log.d(TAG, "print(): Wrote bytes: '" + data.replace('\n', '\\') + "'");
- } catch (IOException e) {
- disconnected();
- } catch (InterruptedException e) {
- disconnected();
+ output.write(buffer, 0, len);
+ } catch (IOException ie) {
+ return -1;
}
+ return len;
}
- public void putchar(byte c) {
- byte[] bytes = { c };
- if (D) Log.d(TAG, "print(): begin");
+ int read(byte[] buffer, int len) {
try {
- wait_connected();
- output.write(bytes);
- if (D) Log.d(TAG, "print(): Wrote byte: '" + c + "'");
- } catch (IOException e) {
- disconnected();
- } catch (InterruptedException e) {
- disconnected();
- }
- }
-
- private static final int buffer_size = 1024;
-
- private byte[] buffer = new byte[buffer_size];
- private int buffer_len = 0;
- private int buffer_off = 0;
-
- private byte[] debug_chars = new byte[buffer_size];
- private int debug_off;
-
- private void debug_input(byte b) {
- if (b == '\n') {
- Log.d(TAG, " " + new String(debug_chars, 0, debug_off));
- debug_off = 0;
- } else {
- if (debug_off < buffer_size)
- debug_chars[debug_off++] = b;
+ return input.read(buffer, 0, len);
+ } catch (IOException ie) {
+ return -1;
}
}
- public int getchar() {
- while (buffer_off == buffer_len) {
- try {
- wait_connected();
- buffer_len = input.read(buffer);
- buffer_off = 0;
- } catch (IOException e) {
- if (D) Log.d(TAG, "getchar IOException");
- disconnected();
- return AltosLink.ERROR;
- } catch (java.lang.InterruptedException e) {
- if (D) Log.d(TAG, "getchar Interrupted");
- disconnected();
- return AltosLink.ERROR;
- }
- }
- if (D)
- debug_input(buffer[buffer_off]);
- return buffer[buffer_off++];
- }
-
- public void closing() {
- synchronized(closed_lock) {
- if (D) Log.d(TAG, "Marked closed true");
- closed = true;
- }
- }
-
-
- public void close() {
- if (D) Log.d(TAG, "close(): begin");
-
- closing();
-
- close_socket();
-
- synchronized(this) {
-
- if (input_thread != null) {
- if (D) Log.d(TAG, "close(): stopping input_thread");
- try {
- if (D) Log.d(TAG, "close(): input_thread.interrupt().....");
- input_thread.interrupt();
- if (D) Log.d(TAG, "close(): input_thread.join().....");
- input_thread.join();
- } catch (Exception e) {}
- input_thread = null;
- }
- input = null;
- output = null;
- notifyAll();
- }
- }
-
- //public void flush_output() { super.flush_output(); }
-
// Stubs of required methods when extending AltosLink
public boolean can_cancel_reply() { return false; }
public boolean show_reply_timeout() { return true; }
projects / fw / altos / blobdiff