+++ /dev/null
-/*
- * Copyright © 2011 Keith Packard <keithp@keithp.com>
- * Copyright © 2012 Mike Beattie <mike@ethernal.org>
- *
- * 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.
- */
-
-package org.altusmetrum.AltosDroid;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.UUID;
-
-import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothDevice;
-import android.bluetooth.BluetoothSocket;
-//import android.os.Bundle;
-import android.os.Handler;
-//import android.os.Message;
-import android.util.Log;
-
-import org.altusmetrum.altoslib_6.*;
-
-public class AltosBluetooth extends AltosLink {
-
- // 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 BluetoothDevice device;
- private BluetoothSocket socket;
- private InputStream input;
- private OutputStream output;
-
- // Constructor
- public AltosBluetooth(BluetoothDevice in_device, Handler in_handler) {
-// set_debug(D);
- adapter = BluetoothAdapter.getDefaultAdapter();
- device = in_device;
- handler = in_handler;
-
- connect_thread = new ConnectThread(device);
- connect_thread.start();
-
- }
-
- private class ConnectThread extends Thread {
- private final UUID SPP_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
-
- public ConnectThread(BluetoothDevice device) {
- BluetoothSocket tmp_socket = null;
-
- try {
- tmp_socket = device.createInsecureRfcommSocketToServiceRecord(SPP_UUID);
- } catch (IOException e) {
- e.printStackTrace();
- }
- socket = tmp_socket;
- }
-
- public void run() {
- if (D) Log.d(TAG, "ConnectThread: BEGIN");
- setName("ConnectThread");
-
- // Always cancel discovery because it will slow down a connection
- adapter.cancelDiscovery();
-
- synchronized (AltosBluetooth.this) {
- // Make a connection to the BluetoothSocket
- try {
- // This is a blocking call and will only return on a
- // successful connection or an exception
- socket.connect();
-
- input = socket.getInputStream();
- output = socket.getOutputStream();
- } catch (IOException e) {
- // Close the socket
- try {
- socket.close();
- } catch (IOException e2) {
- if (D) Log.e(TAG, "ConnectThread: Failed to close() socket after failed connection");
- }
- input = null;
- output = null;
- AltosBluetooth.this.notifyAll();
- handler.obtainMessage(TelemetryService.MSG_CONNECT_FAILED).sendToTarget();
- if (D) Log.e(TAG, "ConnectThread: Failed to establish connection");
- return;
- }
-
- input_thread = new Thread(AltosBluetooth.this);
- input_thread.start();
-
- // Configure the newly connected device for telemetry
- print("~\nE 0\n");
- set_monitor(false);
-
- // Let TelemetryService know we're connected
- handler.obtainMessage(TelemetryService.MSG_CONNECTED).sendToTarget();
-
- // Notify other waiting threads, now that we're connected
- AltosBluetooth.this.notifyAll();
-
- // Reset the ConnectThread because we're done
- connect_thread = null;
-
- if (D) Log.d(TAG, "ConnectThread: Connect completed");
- }
- }
-
- public void cancel() {
- try {
- if (socket != null)
- socket.close();
- } catch (IOException e) {
- if (D) Log.e(TAG, "ConnectThread: close() of connect socket failed", e);
- }
- }
- }
-
- 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) {
- if (D) Log.d(TAG, "wait_connected...");
- wait();
- if (D) Log.d(TAG, "wait_connected done");
- if (input == null) throw new IOException();
- }
- }
-
- private void connection_lost() {
- if (D) Log.e(TAG, "Connection lost during I/O");
- handler.obtainMessage(TelemetryService.MSG_DISCONNECTED).sendToTarget();
- }
-
- public void print(String data) {
- byte[] bytes = data.getBytes();
- if (D) Log.d(TAG, "print(): begin");
- try {
- wait_connected();
- output.write(bytes);
- if (D) Log.d(TAG, "print(): Wrote bytes: '" + data.replace('\n', '\\') + "'");
- } catch (IOException e) {
- connection_lost();
- } catch (InterruptedException e) {
- connection_lost();
- }
- }
-
- public void putchar(byte c) {
- byte[] bytes = { c };
- if (D) Log.d(TAG, "print(): begin");
- try {
- wait_connected();
- output.write(bytes);
- if (D) Log.d(TAG, "print(): Wrote byte: '" + c + "'");
- } catch (IOException e) {
- connection_lost();
- } catch (InterruptedException e) {
- connection_lost();
- }
- }
-
- private static final int buffer_size = 1024;
-
- private byte[] buffer = new byte[buffer_size];
- private int buffer_len = 0;
- private int buffer_off = 0;
-
- public int getchar() {
- while (buffer_off == buffer_len) {
- try {
- wait_connected();
- buffer_len = input.read(buffer);
- buffer_off = 0;
- } catch (IOException e) {
- connection_lost();
- return AltosLink.ERROR;
- } catch (java.lang.InterruptedException e) {
- connection_lost();
- return AltosLink.ERROR;
- }
- }
- return buffer[buffer_off++];
- }
-
- public void close() {
- if (D) Log.d(TAG, "close(): begin");
- synchronized(this) {
- if (D) Log.d(TAG, "close(): synched");
-
- if (connect_thread != null) {
- if (D) Log.d(TAG, "close(): stopping connect_thread");
- connect_thread.cancel();
- connect_thread = null;
- }
- if (D) Log.d(TAG, "close(): Closing socket");
- try {
- socket.close();
- } catch (IOException e) {
- if (D) Log.e(TAG, "close(): unable to close() socket");
- }
- 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();
- }
- }
-
-
- // We override this method so that we can add some debugging. Not 100% elegant, but more useful
- // than debugging one char at a time above in getchar()!
- public void add_reply(AltosLine line) throws InterruptedException {
- if (D) Log.d(TAG, String.format("Got REPLY: %s", line.line));
- super.add_reply(line);
- }
-
- //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; }
- public void hide_reply_timeout() { }
-
-}
projects / fw / altos / blobdiff