diff options
Diffstat (limited to 'src/org/broeuschmeul/android/gps/bluetooth/provider/BlueetoothGpsManager.java')
| -rw-r--r-- | src/org/broeuschmeul/android/gps/bluetooth/provider/BlueetoothGpsManager.java | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/src/org/broeuschmeul/android/gps/bluetooth/provider/BlueetoothGpsManager.java b/src/org/broeuschmeul/android/gps/bluetooth/provider/BlueetoothGpsManager.java new file mode 100644 index 0000000..bd9464d --- /dev/null +++ b/src/org/broeuschmeul/android/gps/bluetooth/provider/BlueetoothGpsManager.java @@ -0,0 +1,321 @@ +/*
+ * Copyright (C) 2010 Herbert von Broeuschmeul
+ * Copyright (C) 2010 BluetoothGPS4Droid Project
+ *
+ * This file is part of BluetoothGPS4Droid.
+ *
+ * BluetoothGPS4Droid 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * BluetoothGPS4Droid 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 BluetoothGPS4Droid. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.broeuschmeul.android.gps.bluetooth.provider;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import org.broeuschmeul.android.gps.nmea.util.NmeaParser;
+
+import android.app.Service;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothSocket;
+import android.content.Context;
+import android.location.Criteria;
+import android.location.LocationManager;
+import android.location.LocationProvider;
+import android.location.GpsStatus.NmeaListener;
+import android.util.Log;
+import android.util.PrintStreamPrinter;
+
+public class BlueetoothGpsManager {
+
+ private class ConnectedThread extends Thread {
+ private final InputStream in;
+ private final OutputStream out;
+ private final PrintStream out2;
+
+ public ConnectedThread(BluetoothSocket socket) {
+ InputStream tmpIn = null;
+ OutputStream tmpOut = null;
+ PrintStream tmpOut2 = null;
+ try {
+ tmpIn = socket.getInputStream();
+ tmpOut = socket.getOutputStream();
+ if (tmpOut != null){
+ tmpOut2 = new PrintStream(tmpOut, false, "US-ASCII");
+ }
+ } catch (IOException e) {
+ Log.e("BT test", "error while getting socket streams", e);
+ }
+ in = tmpIn;
+ out = tmpOut;
+ out2 = tmpOut2;
+ }
+
+ public void run() {
+ try {
+ BufferedReader reader = new BufferedReader(new InputStreamReader(in,"US-ASCII"));
+ String s;
+ while((enabled && (s = reader.readLine()) != null)){
+ Log.e("BT test", "data: "+System.currentTimeMillis()+" "+s + "xxx");
+ notifyNmeaSentence(s+"\r\n");
+// parser.parseNmeaSentence(s);
+// // writer.println(s);
+// addNMEAString(s);
+// nmeaSentenceHandler.ob
+ }
+ } catch (IOException e) {
+ Log.e("BT test", "error while getting data", e);
+ } finally {
+ disable();
+ }
+ }
+
+ /**
+ * Write to the connected OutStream.
+ * @param buffer The bytes to write
+ */
+ public void write(byte[] buffer) {
+ try {
+ out.write(buffer);
+ } catch (IOException e) {
+// Log.e(TAG, "Exception during write", e);
+ }
+ }
+ /**
+ * Write to the connected OutStream.
+ * @param buffer The data to write
+ */
+ public void write(String buffer) {
+ try {
+ out2.print(buffer);
+ out.flush();
+ } catch (IOException e) {
+// Log.e(TAG, "Exception during write", e);
+ }
+ }
+ }
+
+ private Service callingService;
+ private BluetoothDevice gpsDevice;
+ private BluetoothSocket gpsSocket;
+ private String gpsDeviceAddress;
+ private NmeaParser parser = new NmeaParser(10f);
+ private boolean enabled = false;
+ private ExecutorService notificationPool;
+ private List<NmeaListener> nmeaListeners = Collections.synchronizedList(new LinkedList<NmeaListener>());
+ private LocationManager locationManager;
+// private boolean mockGpsEnabled = true;
+// private String mockLocationProvider = LocationManager.GPS_PROVIDER;
+ private ConnectedThread connectedThread;
+
+// private Handler nmeaSentenceHandler = new Handler();
+
+
+ /**
+ * @return true if the bluetooth GPS is enabled
+ */
+ public boolean isEnabled() {
+ return enabled;
+ }
+
+ public BlueetoothGpsManager(Service callingService, String deviceAddress) {
+ this.gpsDeviceAddress = deviceAddress;
+ this.callingService = callingService;
+ locationManager = (LocationManager)callingService.getSystemService(Context.LOCATION_SERVICE);
+ parser.setLocationManager(locationManager);
+ }
+
+ public synchronized void enable() {
+ if (! enabled){
+ this.enabled = true;
+ final BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+ if (bluetoothAdapter == null) {
+ // Device does not support Bluetooth
+ Log.e("BT test", "Device does not support Bluetooth");
+ } else if (!bluetoothAdapter.isEnabled()) {
+// Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+// startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
+ Log.e("BT test", "Bluetooth is not enabled");
+ } else {
+ BluetoothDevice gpsDevice = bluetoothAdapter.getRemoteDevice(gpsDeviceAddress);
+ if (gpsDevice == null){
+ Log.e("BT test", "GPS device not found");
+ } else {
+ Log.e("BT test", "current device: "+gpsDevice.getName() + " -- " + gpsDevice.getAddress());
+ try {
+ gpsSocket = gpsDevice.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));
+ } catch (IOException e) {
+ Log.e("BT test", "Error during connection", e);
+ }
+ if (gpsSocket == null){
+ Log.e("BT test", "Error while establishing connection: no socket");
+ } else {
+//// mockGpsEnabled = locationManager.isProviderEnabled(mockLocationProvider);
+// LocationProvider prov = locationManager.getProvider(mockLocationProvider);
+// Log.e("BT test", "Mock power: "+prov.getPowerRequirement()+" "+prov.getAccuracy()+" "+locationManager.isProviderEnabled(mockLocationProvider));
+// locationManager.addTestProvider(mockLocationProvider, false, true,false, false,
+// true, true, true, Criteria.POWER_HIGH, Criteria.ACCURACY_FINE);
+//// locationManager.setTestProviderEnabled(mockLocationProvider, true);
+// prov = locationManager.getProvider(mockLocationProvider);
+// Log.e("BT test", "Mock power: "+prov.getPowerRequirement()+" "+prov.getAccuracy()+" "+locationManager.isProviderEnabled(mockLocationProvider));
+
+ Runnable connectThread = new Runnable() {
+ @Override
+ public void run() {
+ // Cancel discovery because it will slow down the connection
+ bluetoothAdapter.cancelDiscovery();
+ try {
+ // Connect the device through the socket. This will block
+ // until it succeeds or throws an exception
+ gpsSocket.connect();
+ connectedThread = new ConnectedThread(gpsSocket);
+ connectedThread.start();
+// String command = callingService.getString(R.string.sirf_gll_on);
+// String sentence = String.format((Locale)null,"$%s*%X\r\n", command, parser.computeChecksum(command));
+// String command1 = callingService.getString(R.string.sirf_gll_off);
+// String sentence1 = String.format((Locale)null,"$%s*%X\r\n", command1, parser.computeChecksum(command1));
+// String command2 = callingService.getString(R.string.sirf_vtg_off);
+// String sentence2 = String.format((Locale)null,"$%s*%X\r\n", command2, parser.computeChecksum(command2));
+// try {
+// Thread.sleep(5000);
+// } catch (InterruptedException e) {
+// // TODO Auto-generated catch block
+// e.printStackTrace();
+// }
+// Log.e("BT test", "sending NMEA sentence: "+"$PSRF105,1*3E\r\n");
+// connectedThread.write("$PSRF105,1*3E\r\n");
+// Log.e("BT test", "sending NMEA sentence: "+sentence1);
+// connectedThread.write(sentence1);
+// Log.e("BT test", "sending NMEA sentence: "+sentence2);
+// connectedThread.write(sentence2);
+ } catch (IOException connectException) {
+ // Unable to connect; close everything and get out
+ Log.e("BT test", "error while connecting to socket", connectException);
+ disable();
+// callingService.stopSelf();
+ }
+ }
+ };
+ notificationPool = Executors.newSingleThreadExecutor();
+ notificationPool.execute(connectThread);
+// enableMockLocationProvider(LocationManager.GPS_PROVIDER);
+ }
+ }
+ }
+ }
+ }
+
+ public synchronized void disable() {
+ if (enabled){
+ enabled = false;
+ if (gpsSocket != null){
+ try {
+ gpsSocket.close();
+ } catch (IOException closeException) {
+ Log.e("BT test", "error while closing socket", closeException);
+ }
+ }
+ nmeaListeners.clear();
+ disableMockLocationProvider();
+ notificationPool.shutdown();
+//// locationManager.setTestProviderEnabled(mockLocationProvider, mockGpsEnabled);
+// LocationProvider prov = locationManager.getProvider(mockLocationProvider);
+// Log.e("BT test", "Mock power: "+prov.getPowerRequirement()+" "+prov.getAccuracy()+" "+locationManager.isProviderEnabled(mockLocationProvider));
+// locationManager.clearTestProviderEnabled(mockLocationProvider);
+// prov = locationManager.getProvider(mockLocationProvider);
+// Log.e("BT test", "Mock power: "+prov.getPowerRequirement()+" "+prov.getAccuracy()+" "+locationManager.isProviderEnabled(mockLocationProvider));
+// locationManager.clearTestProviderStatus(mockLocationProvider);
+// locationManager.removeTestProvider(mockLocationProvider);
+// prov = locationManager.getProvider(mockLocationProvider);
+// Log.e("BT test", "Mock power: "+prov.getPowerRequirement()+" "+prov.getAccuracy()+" "+locationManager.isProviderEnabled(mockLocationProvider));
+// Log.e("BT test", "removed mock GPS");
+
+ callingService.stopSelf();
+ }
+ }
+
+
+ public void enableMockLocationProvider(String gpsName){
+ if (parser != null){
+ parser.enableMockLocationProvider(gpsName);
+ }
+ }
+
+ public void disableMockLocationProvider(){
+ if (parser != null){
+ parser.disableMockLocationProvider();
+ }
+ }
+
+ /**
+ * @return the mockGpsEnabled
+ */
+ public boolean isMockGpsEnabled() {
+ boolean mockGpsEnabled = false;
+ if (parser != null){
+ mockGpsEnabled = parser.isMockGpsEnabled();
+ }
+ return mockGpsEnabled;
+ }
+ /**
+ * @return the mockLocationProvider
+ */
+ public String getMockLocationProvider() {
+ String mockLocationProvider = null;
+ if (parser != null){
+ mockLocationProvider = parser.getMockLocationProvider();
+ }
+ return mockLocationProvider;
+ }
+
+
+ public boolean addNmeaListener(NmeaListener listener){
+ if (!nmeaListeners.contains(listener)){
+ nmeaListeners.add(listener);
+ }
+ return true;
+ }
+
+ public void removeNmeaListener(NmeaListener listener){
+ nmeaListeners.remove(listener);
+ }
+
+ private void notifyNmeaSentence(final String nmeaSentence){
+ if (enabled){
+ parser.parseNmeaSentence(nmeaSentence);
+ final long timestamp = System.currentTimeMillis();
+ synchronized(nmeaListeners) {
+ for(final NmeaListener listener : nmeaListeners){
+ notificationPool.execute(new Runnable(){
+ @Override
+ public void run() {
+ listener.onNmeaReceived(timestamp, nmeaSentence);
+ }
+ });
+ }
+ }
+ }
+ }
+}
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