git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java

   1 /*
   2  * Copyright © 2012-2013 Mike Beattie <mike@ethernal.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.AltosDroid;
  19
  20 import java.lang.ref.WeakReference;
  21 import java.util.ArrayList;
  22 import java.util.Timer;
  23 import java.util.TimerTask;
  24 import java.text.*;
  25
  26 import android.app.Activity;
  27 import android.app.PendingIntent;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.bluetooth.BluetoothDevice;
  30 import android.content.Intent;
  31 import android.content.Context;
  32 import android.content.ComponentName;
  33 import android.content.ServiceConnection;
  34 import android.content.DialogInterface;
  35 import android.os.IBinder;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.Message;
  39 import android.os.Messenger;
  40 import android.os.RemoteException;
  41 import android.content.res.Resources;
  42 import android.support.v4.app.FragmentActivity;
  43 import android.support.v4.app.FragmentManager;
  44 import android.util.DisplayMetrics;
  45 import android.view.Menu;
  46 import android.view.MenuInflater;
  47 import android.view.MenuItem;
  48 import android.view.Window;
  49 import android.view.View;
  50 import android.view.LayoutInflater;
  51 import android.widget.TabHost;
  52 import android.widget.TextView;
  53 import android.widget.RelativeLayout;
  54 import android.widget.Toast;
  55 import android.app.AlertDialog;
  56 import android.location.Location;
  57 import android.hardware.usb.*;
  58
  59 import org.altusmetrum.altoslib_7.*;
  60
  61 public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
  62
  63         // Actions sent to the telemetry server at startup time
  64
  65         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  66         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  67
  68         // Message types received by our Handler
  69
  70         public static final int MSG_STATE           = 1;
  71         public static final int MSG_UPDATE_AGE      = 2;
  72
  73         // Intent request codes
  74         public static final int REQUEST_CONNECT_DEVICE = 1;
  75         public static final int REQUEST_ENABLE_BT      = 2;
  76
  77         public static FragmentManager   fm;
  78
  79         private BluetoothAdapter mBluetoothAdapter = null;
  80
  81         // Layout Views
  82         private TextView mTitle;
  83
  84         // Flight state values
  85         private TextView mCallsignView;
  86         private TextView mRSSIView;
  87         private TextView mSerialView;
  88         private TextView mFlightView;
  89         private RelativeLayout mStateLayout;
  90         private TextView mStateView;
  91         private TextView mAgeView;
  92
  93         // field to display the version at the bottom of the screen
  94         private TextView mVersion;
  95
  96         private double frequency;
  97         private int telemetry_rate;
  98
  99         // Tabs
 100         TabHost         mTabHost;
 101         AltosViewPager  mViewPager;
 102         TabsAdapter     mTabsAdapter;
 103         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 104         int             tabHeight;
 105
 106         // Timer and Saved flight state for Age calculation
 107         private Timer timer;
 108         AltosState saved_state;
 109
 110         UsbDevice       pending_usb_device;
 111         boolean         start_with_usb;
 112
 113         // Service
 114         private boolean mIsBound   = false;
 115         private Messenger mService = null;
 116         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 117
 118         // Text to Speech
 119         private AltosVoice mAltosVoice = null;
 120
 121         // The Handler that gets information back from the Telemetry Service
 122         static class IncomingHandler extends Handler {
 123                 private final WeakReference<AltosDroid> mAltosDroid;
 124                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 125
 126                 @Override
 127                 public void handleMessage(Message msg) {
 128                         AltosDroid ad = mAltosDroid.get();
 129
 130                         switch (msg.what) {
 131                         case MSG_STATE:
 132                                 AltosDebug.debug("MSG_STATE");
 133                                 TelemetryState telemetry_state = (TelemetryState) msg.obj;
 134                                 if (telemetry_state == null) {
 135                                         AltosDebug.debug("telemetry_state null!");
 136                                         return;
 137                                 }
 138
 139                                 ad.update_state(telemetry_state);
 140                                 break;
 141                         case MSG_UPDATE_AGE:
 142                                 AltosDebug.debug("MSG_UPDATE_AGE");
 143                                 ad.update_age();
 144                                 break;
 145                         }
 146                 }
 147         };
 148
 149
 150         private ServiceConnection mConnection = new ServiceConnection() {
 151                 public void onServiceConnected(ComponentName className, IBinder service) {
 152                         mService = new Messenger(service);
 153                         try {
 154                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 155                                 msg.replyTo = mMessenger;
 156                                 mService.send(msg);
 157                         } catch (RemoteException e) {
 158                                 // In this case the service has crashed before we could even do anything with it
 159                         }
 160                         if (pending_usb_device != null) {
 161                                 try {
 162                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 163                                         pending_usb_device = null;
 164                                 } catch (RemoteException e) {
 165                                 }
 166                         }
 167                 }
 168
 169                 public void onServiceDisconnected(ComponentName className) {
 170                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 171                         mService = null;
 172                 }
 173         };
 174
 175         void doBindService() {
 176                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 177                 mIsBound = true;
 178         }
 179
 180         void doUnbindService() {
 181                 if (mIsBound) {
 182                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 183                         if (mService != null) {
 184                                 try {
 185                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 186                                         msg.replyTo = mMessenger;
 187                                         mService.send(msg);
 188                                 } catch (RemoteException e) {
 189                                         // There is nothing special we need to do if the service has crashed.
 190                                 }
 191                         }
 192                         // Detach our existing connection.
 193                         unbindService(mConnection);
 194                         mIsBound = false;
 195                 }
 196         }
 197
 198         public void registerTab(AltosDroidTab mTab) {
 199                 mTabs.add(mTab);
 200         }
 201
 202         public void unregisterTab(AltosDroidTab mTab) {
 203                 mTabs.remove(mTab);
 204         }
 205
 206         public void units_changed(boolean imperial_units) {
 207                 for (AltosDroidTab mTab : mTabs)
 208                         mTab.units_changed(imperial_units);
 209         }
 210
 211         void update_title(TelemetryState telemetry_state) {
 212                 switch (telemetry_state.connect) {
 213                 case TelemetryState.CONNECT_CONNECTED:
 214                         if (telemetry_state.config != null) {
 215                                 String str = String.format("S/N %d %6.3f MHz", telemetry_state.config.serial,
 216                                                            telemetry_state.frequency);
 217                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 218                                         str = str.concat(String.format(" %d bps",
 219                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 220                                 mTitle.setText(str);
 221                         } else {
 222                                 mTitle.setText(R.string.title_connected_to);
 223                         }
 224                         break;
 225                 case TelemetryState.CONNECT_CONNECTING:
 226                         if (telemetry_state.address != null)
 227                                 mTitle.setText(String.format("Connecting to %s...", telemetry_state.address.name));
 228                         else
 229                                 mTitle.setText("Connecting to something...");
 230                         break;
 231                 case TelemetryState.CONNECT_DISCONNECTED:
 232                 case TelemetryState.CONNECT_NONE:
 233                         mTitle.setText(R.string.title_not_connected);
 234                         break;
 235                 }
 236         }
 237
 238         void start_timer() {
 239                 if (timer == null) {
 240                         timer = new Timer();
 241                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 242                 }
 243         }
 244
 245         void stop_timer() {
 246                 if (timer != null) {
 247                         timer.cancel();
 248                         timer.purge();
 249                         timer = null;
 250                 }
 251         }
 252
 253         boolean registered_units_listener;
 254
 255         void update_state(TelemetryState telemetry_state) {
 256
 257                 if (!registered_units_listener) {
 258                         registered_units_listener = true;
 259                         AltosPreferences.register_units_listener(this);
 260                 }
 261
 262                 update_title(telemetry_state);
 263                 update_ui(telemetry_state.state, telemetry_state.location);
 264                 if (telemetry_state.connect == TelemetryState.CONNECT_CONNECTED)
 265                         start_timer();
 266         }
 267
 268         boolean same_string(String a, String b) {
 269                 if (a == null) {
 270                         if (b == null)
 271                                 return true;
 272                         return false;
 273                 } else {
 274                         if (b == null)
 275                                 return false;
 276                         return a.equals(b);
 277                 }
 278         }
 279
 280         void update_age() {
 281                 if (saved_state != null)
 282                         mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
 283         }
 284
 285         void update_ui(AltosState state, Location location) {
 286
 287                 int prev_state = AltosLib.ao_flight_invalid;
 288
 289                 AltosGreatCircle from_receiver = null;
 290
 291                 if (saved_state != null)
 292                         prev_state = saved_state.state;
 293
 294                 if (state != null) {
 295                         if (state.state == AltosLib.ao_flight_stateless) {
 296                                 boolean prev_locked = false;
 297                                 boolean locked = false;
 298
 299                                 if(state.gps != null)
 300                                         locked = state.gps.locked;
 301                                 if (saved_state != null && saved_state.gps != null)
 302                                         prev_locked = saved_state.gps.locked;
 303                                 if (prev_locked != locked) {
 304                                         String currentTab = mTabHost.getCurrentTabTag();
 305                                         if (locked) {
 306                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 307                                         } else {
 308                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("pad");
 309                                         }
 310                                 }
 311                         } else {
 312                                 if (prev_state != state.state) {
 313                                         String currentTab = mTabHost.getCurrentTabTag();
 314                                         switch (state.state) {
 315                                         case AltosLib.ao_flight_boost:
 316                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("ascent");
 317                                                 break;
 318                                         case AltosLib.ao_flight_drogue:
 319                                                 if (currentTab.equals("ascent")) mTabHost.setCurrentTabByTag("descent");
 320                                                 break;
 321                                         case AltosLib.ao_flight_landed:
 322                                                 if (currentTab.equals("descent")) mTabHost.setCurrentTabByTag("landed");
 323                                                 break;
 324                                         case AltosLib.ao_flight_stateless:
 325                                                 if (currentTab.equals("pad")) mTabHost.setCurrentTabByTag("descent");
 326                                                 break;
 327                                         }
 328                                 }
 329                         }
 330
 331                         if (location != null && state.gps != null && state.gps.locked) {
 332                                 double altitude = 0;
 333                                 if (location.hasAltitude())
 334                                         altitude = location.getAltitude();
 335                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 336                                                                      location.getLongitude(),
 337                                                                      altitude,
 338                                                                      state.gps.lat,
 339                                                                      state.gps.lon,
 340                                                                      state.gps.alt);
 341                         }
 342
 343                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 344                                 mCallsignView.setText(state.callsign);
 345                         }
 346                         if (saved_state == null || state.serial != saved_state.serial) {
 347                                 mSerialView.setText(String.format("%d", state.serial));
 348                         }
 349                         if (saved_state == null || state.flight != saved_state.flight) {
 350                                 if (state.flight == AltosLib.MISSING)
 351                                         mFlightView.setText("");
 352                                 else
 353                                         mFlightView.setText(String.format("%d", state.flight));
 354                         }
 355                         if (saved_state == null || state.state != saved_state.state) {
 356                                 if (state.state == AltosLib.ao_flight_stateless) {
 357                                         mStateLayout.setVisibility(View.GONE);
 358                                 } else {
 359                                         mStateView.setText(state.state_name());
 360                                         mStateLayout.setVisibility(View.VISIBLE);
 361                                 }
 362                         }
 363                         if (saved_state == null || state.rssi != saved_state.rssi) {
 364                                 mRSSIView.setText(String.format("%d", state.rssi));
 365                         }
 366                 }
 367
 368                 for (AltosDroidTab mTab : mTabs)
 369                         mTab.update_ui(state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 370
 371                 if (state != null && mAltosVoice != null)
 372                         mAltosVoice.tell(state, from_receiver);
 373
 374                 saved_state = state;
 375         }
 376
 377         private void onTimerTick() {
 378                 try {
 379                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 380                 } catch (RemoteException e) {
 381                 }
 382         }
 383
 384         static String pos(double p, String pos, String neg) {
 385                 String  h = pos;
 386                 if (p == AltosLib.MISSING)
 387                         return "";
 388                 if (p < 0) {
 389                         h = neg;
 390                         p = -p;
 391                 }
 392                 int deg = (int) Math.floor(p);
 393                 double min = (p - Math.floor(p)) * 60.0;
 394                 return String.format("%d°%9.4f\" %s", deg, min, h);
 395         }
 396
 397         static String number(String format, double value) {
 398                 if (value == AltosLib.MISSING)
 399                         return "";
 400                 return String.format(format, value);
 401         }
 402
 403         static String integer(String format, int value) {
 404                 if (value == AltosLib.MISSING)
 405                         return "";
 406                 return String.format(format, value);
 407         }
 408
 409         private View create_tab_view(String label) {
 410                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 411                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 412                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 413                 text_view.setText(label);
 414                 return tab_view;
 415         }
 416
 417         @Override
 418         public void onCreate(Bundle savedInstanceState) {
 419                 super.onCreate(savedInstanceState);
 420                 AltosDebug.debug("+++ ON CREATE +++");
 421
 422                 fm = getSupportFragmentManager();
 423
 424                 // Set up the window layout
 425                 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
 426                 setContentView(R.layout.altosdroid);
 427                 getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
 428
 429                 // Create the Tabs and ViewPager
 430                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 431                 mTabHost.setup();
 432
 433                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 434                 mViewPager.setOffscreenPageLimit(4);
 435
 436                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 437
 438                 mTabsAdapter.addTab(mTabHost.newTabSpec("pad").setIndicator(create_tab_view("Pad")), TabPad.class, null);
 439                 mTabsAdapter.addTab(mTabHost.newTabSpec("ascent").setIndicator(create_tab_view("Ascent")), TabAscent.class, null);
 440                 mTabsAdapter.addTab(mTabHost.newTabSpec("descent").setIndicator(create_tab_view("Descent")), TabDescent.class, null);
 441                 mTabsAdapter.addTab(mTabHost.newTabSpec("landed").setIndicator(create_tab_view("Landed")), TabLanded.class, null);
 442                 mTabsAdapter.addTab(mTabHost.newTabSpec("map").setIndicator(create_tab_view("Map")), TabMap.class, null);
 443                 mTabsAdapter.addTab(mTabHost.newTabSpec("offmap").setIndicator(create_tab_view("OffMap")), TabMapOffline.class, null);
 444
 445                 // Set up the custom title
 446                 mTitle = (TextView) findViewById(R.id.title_left_text);
 447                 mTitle.setText(R.string.app_name);
 448                 mTitle = (TextView) findViewById(R.id.title_right_text);
 449
 450                 // Display the Version
 451                 mVersion = (TextView) findViewById(R.id.version);
 452                 mVersion.setText("Version: " + BuildInfo.version +
 453                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 454                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 455
 456                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 457                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 458                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 459                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 460                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 461                 mStateView     = (TextView) findViewById(R.id.state_value);
 462                 mAgeView       = (TextView) findViewById(R.id.age_value);
 463         }
 464
 465         private boolean ensureBluetooth() {
 466                 // Get local Bluetooth adapter
 467                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 468
 469                 // If the adapter is null, then Bluetooth is not supported
 470                 if (mBluetoothAdapter == null) {
 471                         Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
 472                         return false;
 473                 }
 474
 475                 if (!mBluetoothAdapter.isEnabled()) {
 476                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 477                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 478                 }
 479
 480                 return true;
 481         }
 482
 483         private boolean check_usb() {
 484                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 485
 486                 if (device != null) {
 487                         Intent          i = new Intent(this, AltosDroid.class);
 488                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 489
 490                         if (AltosUsb.request_permission(this, device, pi)) {
 491                                 connectUsb(device);
 492                         }
 493                         start_with_usb = true;
 494                         return true;
 495                 }
 496
 497                 start_with_usb = false;
 498
 499                 return false;
 500         }
 501
 502         private void noticeIntent(Intent intent) {
 503
 504                 /* Ok, this is pretty convenient.
 505                  *
 506                  * When a USB device is plugged in, and our 'hotplug'
 507                  * intent registration fires, we get an Intent with
 508                  * EXTRA_DEVICE set.
 509                  *
 510                  * When we start up and see a usb device and request
 511                  * permission to access it, that queues a
 512                  * PendingIntent, which has the EXTRA_DEVICE added in,
 513                  * along with the EXTRA_PERMISSION_GRANTED field as
 514                  * well.
 515                  *
 516                  * So, in both cases, we get the device name using the
 517                  * same call. We check to see if access was granted,
 518                  * in which case we ignore the device field and do our
 519                  * usual startup thing.
 520                  */
 521
 522                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 523                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 524
 525                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 526
 527                 if (!granted)
 528                         device = null;
 529
 530                 if (device != null) {
 531                         AltosDebug.debug("intent has usb device " + device.toString());
 532                         connectUsb(device);
 533                 } else {
 534
 535                         /* 'granted' is only false if this intent came
 536                          * from the request_permission call and
 537                          * permission was denied. In which case, we
 538                          * don't want to loop forever...
 539                          */
 540                         if (granted) {
 541                                 AltosDebug.debug("check for a USB device at startup");
 542                                 if (check_usb())
 543                                         return;
 544                         }
 545                         AltosDebug.debug("Starting by looking for bluetooth devices");
 546                         if (ensureBluetooth())
 547                                 return;
 548                         finish();
 549                 }
 550         }
 551
 552         @Override
 553         public void onStart() {
 554                 super.onStart();
 555                 AltosDebug.debug("++ ON START ++");
 556
 557                 noticeIntent(getIntent());
 558
 559                 // Start Telemetry Service
 560                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 561
 562                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 563
 564                 doBindService();
 565
 566                 if (mAltosVoice == null)
 567                         mAltosVoice = new AltosVoice(this);
 568
 569         }
 570
 571         @Override
 572         public void onNewIntent(Intent intent) {
 573                 super.onNewIntent(intent);
 574                 AltosDebug.debug("onNewIntent");
 575                 noticeIntent(intent);
 576         }
 577
 578         @Override
 579         public void onResume() {
 580                 super.onResume();
 581                 AltosDebug.debug("+ ON RESUME +");
 582         }
 583
 584         @Override
 585         public void onPause() {
 586                 super.onPause();
 587                 AltosDebug.debug("- ON PAUSE -");
 588         }
 589
 590         @Override
 591         public void onStop() {
 592                 super.onStop();
 593                 AltosDebug.debug("-- ON STOP --");
 594
 595                 doUnbindService();
 596                 if (mAltosVoice != null) {
 597                         mAltosVoice.stop();
 598                         mAltosVoice = null;
 599                 }
 600         }
 601
 602         @Override
 603         public void onDestroy() {
 604                 super.onDestroy();
 605                 AltosDebug.debug("--- ON DESTROY ---");
 606
 607                 if (mAltosVoice != null) mAltosVoice.stop();
 608                 stop_timer();
 609         }
 610
 611         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 612                 AltosDebug.debug("onActivityResult " + resultCode);
 613                 switch (requestCode) {
 614                 case REQUEST_CONNECT_DEVICE:
 615                         // When DeviceListActivity returns with a device to connect to
 616                         if (resultCode == Activity.RESULT_OK) {
 617                                 connectDevice(data);
 618                         }
 619                         break;
 620                 case REQUEST_ENABLE_BT:
 621                         // When the request to enable Bluetooth returns
 622                         if (resultCode == Activity.RESULT_OK) {
 623                                 // Bluetooth is now enabled, so set up a chat session
 624                                 //setupChat();
 625                         } else {
 626                                 // User did not enable Bluetooth or an error occured
 627                                 AltosDebug.error("BT not enabled");
 628                                 stopService(new Intent(AltosDroid.this, TelemetryService.class));
 629                                 Toast.makeText(this, R.string.bt_not_enabled, Toast.LENGTH_SHORT).show();
 630                                 finish();
 631                         }
 632                         break;
 633                 }
 634         }
 635
 636         private void connectUsb(UsbDevice device) {
 637                 if (mService == null)
 638                         pending_usb_device = device;
 639                 else {
 640                         // Attempt to connect to the device
 641                         try {
 642                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 643                                 AltosDebug.debug("Sent OPEN_USB message");
 644                         } catch (RemoteException e) {
 645                                 AltosDebug.debug("connect device message failed");
 646                         }
 647                 }
 648         }
 649
 650         private void connectDevice(Intent data) {
 651                 // Attempt to connect to the device
 652                 try {
 653                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 654                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 655
 656                         AltosDebug.debug("Connecting to " + address + " " + name);
 657                         DeviceAddress   a = new DeviceAddress(address, name);
 658                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 659                         AltosDebug.debug("Sent connecting message");
 660                 } catch (RemoteException e) {
 661                         AltosDebug.debug("connect device message failed");
 662                 }
 663         }
 664
 665         private void disconnectDevice() {
 666                 try {
 667                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 668                 } catch (RemoteException e) {
 669                 }
 670         }
 671
 672         @Override
 673         public boolean onCreateOptionsMenu(Menu menu) {
 674                 MenuInflater inflater = getMenuInflater();
 675                 inflater.inflate(R.menu.option_menu, menu);
 676                 return true;
 677         }
 678
 679         void setFrequency(double freq) {
 680                 try {
 681                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 682                 } catch (RemoteException e) {
 683                 }
 684         }
 685
 686         void setFrequency(String freq) {
 687                 try {
 688                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 689                 } catch (ParseException e) {
 690                 }
 691         }
 692
 693         void setBaud(int baud) {
 694                 try {
 695                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 696                 } catch (RemoteException e) {
 697                 }
 698         }
 699
 700         void setBaud(String baud) {
 701                 try {
 702                         int     value = Integer.parseInt(baud);
 703                         int     rate = AltosLib.ao_telemetry_rate_38400;
 704                         switch (value) {
 705                         case 2400:
 706                                 rate = AltosLib.ao_telemetry_rate_2400;
 707                                 break;
 708                         case 9600:
 709                                 rate = AltosLib.ao_telemetry_rate_9600;
 710                                 break;
 711                         case 38400:
 712                                 rate = AltosLib.ao_telemetry_rate_38400;
 713                                 break;
 714                         }
 715                         setBaud(rate);
 716                 } catch (NumberFormatException e) {
 717                 }
 718         }
 719
 720         @Override
 721         public boolean onOptionsItemSelected(MenuItem item) {
 722                 Intent serverIntent = null;
 723                 switch (item.getItemId()) {
 724                 case R.id.connect_scan:
 725                         if (ensureBluetooth()) {
 726                                 // Launch the DeviceListActivity to see devices and do scan
 727                                 serverIntent = new Intent(this, DeviceListActivity.class);
 728                                 startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 729                         }
 730                         return true;
 731                 case R.id.disconnect:
 732                         /* Disconnect the device
 733                          */
 734                         disconnectDevice();
 735                         return true;
 736                 case R.id.quit:
 737                         AltosDebug.debug("R.id.quit");
 738                         disconnectDevice();
 739                         finish();
 740                         return true;
 741                 case R.id.select_freq:
 742                         // Set the TBT radio frequency
 743
 744                         final String[] frequencies = {
 745                                 "Channel 0 (434.550MHz)",
 746                                 "Channel 1 (434.650MHz)",
 747                                 "Channel 2 (434.750MHz)",
 748                                 "Channel 3 (434.850MHz)",
 749                                 "Channel 4 (434.950MHz)",
 750                                 "Channel 5 (435.050MHz)",
 751                                 "Channel 6 (435.150MHz)",
 752                                 "Channel 7 (435.250MHz)",
 753                                 "Channel 8 (435.350MHz)",
 754                                 "Channel 9 (435.450MHz)"
 755                         };
 756
 757                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
 758                         builder_freq.setTitle("Pick a frequency");
 759                         builder_freq.setItems(frequencies,
 760                                          new DialogInterface.OnClickListener() {
 761                                                  public void onClick(DialogInterface dialog, int item) {
 762                                                          setFrequency(frequencies[item]);
 763                                                  }
 764                                          });
 765                         AlertDialog alert_freq = builder_freq.create();
 766                         alert_freq.show();
 767                         return true;
 768                 case R.id.select_rate:
 769                         // Set the TBT baud rate
 770
 771                         final String[] rates = {
 772                                 "38400",
 773                                 "9600",
 774                                 "2400",
 775                         };
 776
 777                         AlertDialog.Builder builder_rate = new AlertDialog.Builder(this);
 778                         builder_rate.setTitle("Pick a baud rate");
 779                         builder_rate.setItems(rates,
 780                                          new DialogInterface.OnClickListener() {
 781                                                  public void onClick(DialogInterface dialog, int item) {
 782                                                          setBaud(rates[item]);
 783                                                  }
 784                                          });
 785                         AlertDialog alert_rate = builder_rate.create();
 786                         alert_rate.show();
 787                         return true;
 788                 case R.id.change_units:
 789                         boolean imperial = AltosPreferences.imperial_units();
 790                         AltosPreferences.set_imperial_units(!imperial);
 791                         return true;
 792                 }
 793                 return false;
 794         }
 795
 796 }