altosdroid: Compute course from android device to rocket, display it
[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / TelemetryService.java
index e1a5ada8ed2dd02e820f215268bcc4c8480f87b5..0ddfdfc3ad50c6ed281cac7a05b5910dd43546a7 100644 (file)
@@ -45,9 +45,10 @@ import android.location.LocationListener;
 import org.altusmetrum.altoslib_1.*;
 
 class AltosLocationListener implements LocationListener {
-       boolean fine;
+       Handler handler;
 
        public void onLocationChanged(Location location) {
+               handler.obtainMessage(TelemetryService.MSG_LOCATION, location).sendToTarget();
        }
 
        public void onStatusChanged(String provider, int status, Bundle extras) {
@@ -59,8 +60,8 @@ class AltosLocationListener implements LocationListener {
        public void onProviderDisabled(String provider) {
        }
 
-       public AltosLocationListener(boolean fine) {
-               this.fine = fine;
+       public AltosLocationListener(Handler handler) {
+               this.handler = handler;
        }
 }
 
@@ -77,6 +78,8 @@ public class TelemetryService extends Service {
        static final int MSG_DISCONNECTED      = 6;
        static final int MSG_TELEMETRY         = 7;
        static final int MSG_SETFREQUENCY      = 8;
+       static final int MSG_LOCATION          = 9;
+       static final int MSG_CRC_ERROR         = 10;
 
        public static final int STATE_NONE       = 0;
        public static final int STATE_READY      = 1;
@@ -107,9 +110,14 @@ public class TelemetryService extends Service {
 
        // location listeners
 
-       private AltosLocationListener gpsListener;
-       private AltosLocationListener netListener;
+       private AltosLocationListener locationListener;
        
+       // Last data seen; send to UI when it starts
+
+       private AltosState last_state;
+       private Location last_location;
+       private int last_crc_errors;
+
        // Handler of incoming messages from clients.
        static class IncomingHandler extends Handler {
                private final WeakReference<TelemetryService> service;
@@ -129,6 +137,12 @@ public class TelemetryService extends Service {
                                        s.mClients.remove(msg.replyTo);
                                }
                                if (D) Log.d(TAG, "Client bound to service");
+                               if (s.last_state != null)
+                                       s.sendTelemetry(s.last_state);
+                               if (s.last_location != null)
+                                       s.sendLocation(s.last_location);
+                               if (s.last_crc_errors != 0)
+                                       s.sendCrcErrors(s.last_crc_errors);
                                break;
                        case MSG_UNREGISTER_CLIENT:
                                s.mClients.remove(msg.replyTo);
@@ -155,8 +169,20 @@ public class TelemetryService extends Service {
                                }
                                break;
                        case MSG_TELEMETRY:
+                               // forward telemetry messages
+                               s.last_state = (AltosState) msg.obj;
                                s.sendMessageToClients(Message.obtain(null, AltosDroid.MSG_TELEMETRY, msg.obj));
                                break;
+                       case MSG_LOCATION:
+                               // forward location messages
+                               s.last_location = (Location) msg.obj;
+                               s.sendMessageToClients(Message.obtain(null, AltosDroid.MSG_LOCATION, msg.obj));
+                               break;
+                       case MSG_CRC_ERROR:
+                               // forward crc error messages
+                               s.last_crc_errors = (Integer) msg.obj;
+                               s.sendMessageToClients(Message.obtain(null, AltosDroid.MSG_CRC_ERROR, msg.obj));
+                               break;
                        case MSG_SETFREQUENCY:
                                if (s.state == STATE_CONNECTED) {
                                        try {
@@ -172,6 +198,16 @@ public class TelemetryService extends Service {
                }
        }
 
+       public void sendTelemetry(AltosState state) {
+       }
+
+       public void sendLocation(Location location) {
+               mHandler.obtainMessage(MSG_LOCATION, location).sendToTarget();
+       }
+
+       public void sendCrcErrors(int crc_errors) {
+       }
+
        private void sendMessageToClients(Message m) {
                for (int i=mClients.size()-1; i>=0; i--) {
                        try {
@@ -279,13 +315,12 @@ public class TelemetryService extends Service {
                timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 10000L, 10000L);
 
                // Listen for GPS and Network position updates
-               gpsListener = new AltosLocationListener(true);
-               netListener = new AltosLocationListener(false);
+               locationListener = new AltosLocationListener(mHandler);
 
                LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
                
-               locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, gpsListener);
-               locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, netListener);
+               locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
+               locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
        }
 
        @Override
@@ -320,8 +355,7 @@ public class TelemetryService extends Service {
 
                // Stop listening for location updates
                LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
-               locationManager.removeUpdates(gpsListener);
-               locationManager.removeUpdates(netListener);
+               locationManager.removeUpdates(locationListener);
 
                // Stop the bluetooth Comms threads
                stopAltosBluetooth();