bluetoothpn.cxx

blue tooth protocol stack source code

   //
   // Start the definition of the Help+About window.  This window will be displayed
   // whenever the user uses the Help+About menu item.
   //
   {
      Fl_Window* o = btHelpMenuAboutItemWindow = new Fl_Window(344, 155, "Bluetooth Neighborhood About");
      w = o;
      o->labeltype(FL_NORMAL_LABEL);
      o->user_data((void*)(this));
      btHelpMenuAboutItem1 = new Fl_Box(30, 5, 290, 25, "RidgeRun\'s Bluetooth Piconet Neighborhood");
      btHelpMenuAboutItem2 = new Fl_Box(30, 30, 290, 25, "Written By: Marcus Smith");
      btHelpMenuAboutItem3 = new Fl_Box(100, 55, 135, 25, "January 26, 2001");

      //
      // Define the "OK" button on the Help+About window
      //
      {
         Fl_Return_Button* o = btHelpMenuAboutItemWindowOKButton = new Fl_Return_Button(130, 85, 75, 25, "OK");
         o->box(FL_ROUND_UP_BOX);
         o->down_box(FL_ROUND_DOWN_BOX);
         o->callback((Fl_Callback*)cb_btHelpMenuAboutItemWindowOKButton);
      }

      //
      // Set this new window to be modal and end the window definition
      //
      o->set_modal();
      o->end();

   }  // End of Help+About window

   //
   // Start definition of the window displayed if the ttyBTC Bluetooth control tty can't be opened.
   // This occurs when the Axis "bt.o" module is not loaded.
   //
   {
      Fl_Window* o = btErrorCantFindBTDriverWindow = new Fl_Window(344, 155, "Can\'t find BT driver");
      w = o;
      o->user_data((void*)(this));
      new Fl_Box(15, 5, 310, 30, "Error:  Can\'t find Bluetooth device");
      new Fl_Box(15, 35, 310, 30, "Is bt.o installed?");

      //
      // Define the "OK" button on this window.
      //
      {
         Fl_Button* o = new Fl_Button(130, 85, 75, 25, "OK");
         o->box(FL_ROUND_UP_BOX);
         o->down_box(FL_ROUND_DOWN_BOX);
         o->callback((Fl_Callback*)cb_OK);
      }

      //
      // Set this new window to be modal and end the window definition
      //
      o->set_modal();
      o->end();

   }  // End of ttyBTC error opening window

   //
   // Start the definition of the window displayed if the initial HCI inquiry (or
   // baseband discovery) fails.
   //
   {
      Fl_Window* o = btErrorHCIInquiry = new Fl_Window(344, 155, "Can\'t issue a HCI Inquiry");
      w = o;
      o->user_data((void*)(this));
      new Fl_Box(70, 10, 205, 25, "Can\'t issue a HCI Inquiry");
      new Fl_Box(65, 35, 205, 25, "Please check bt.o");

      //
      // Define the "OK" button on this window.
      //
      {
         Fl_Button* o = new Fl_Button(130, 85, 75, 25, "OK");
         o->box(FL_ROUND_UP_BOX);
         o->down_box(FL_ROUND_DOWN_BOX);
         o->callback((Fl_Callback*)cb_OK1);
      }

      //
      // Set this new window to be modal and end the window definition
      //
      o->set_modal();
      o->end();
   }

   //
   // Start the definition of a window displayed while the HCI inquiry and SDP discovery(s) are
   // taking place.
   //
   {
      Fl_Window* o = btScanForBluetoothDevicesInProgressWindow = new Fl_Window(236, 123, "Scanning for devices......");
      w = o;
      o->user_data((void*)(this));
      btScanForBluetoothDevicesProgressWindowLine1 = new Fl_Box(10, 5, 225, 25, "Searching For Bluetooth Devices");
      btScanForBluetoothDevicesInProgressClock = new Fl_Clock(180, 40, 50, 50);
      btScanForBluetoothDevicesProgressWindowLine2 = new Fl_Box(40, 55, 115, 25, "Please Wait.....");

      //
      // Set this new window to be modal and end the window definition
      //
      o->set_modal();
      o->end();

   }  // End of "Scanning for devices...." window

}  // End of BTNeighborhood constructor

//
// This function is called whenever an outside influence calls "show()"
// on the BTNeighborhood window.
//
void BTNeighborhood::show(int argc, char **argv)
{
   //
   // In this case, just call show on the main window
   //
   btMainWindow->show(argc, argv);

   //
   // After showing, initiate a baseband discovery.  Find capabilities of
   // each device found.
   //
   btScanForBluetoothDevices();

}  // End of BTNeighborhood::show()


//
// This function exists because fltk was not cooperating when I wanted to
// display a "please wait..." window when issuing the blocking ioctl() was
// called.  fltk seem single threaded, because even when I called window->show()
// before the ioctl() call, the window would not show.  I needed to split out
// the ioctl() calls into another thread so the fltk event loop could be entered
// while the ioctl() was running.  This allow for a nice window to be displayed
// when the ioctl() will block for some time.
//
// Why is this function not a function of BTNeighborhood?  Because I could not
// get it to work as a member function of a class allocated in another thread.
// I tried defining it static, thinking that this would remove any threading
// problems, but it still did not work.
//
void *ioctlCall(void *notused)
{
   int index;
   inquiry_results *inq_res;

   /*-----------------------------------------------------*/
   /* Allocate the storage for the return data.           */
   /* Data structure overhead + BT address bytes (6 per)  */
   /* times 10 maximum addresses.  I should check this in */
   /* the bluetooth specification.                        */
   /*-----------------------------------------------------*/
   inq_res = (inquiry_results*) malloc(sizeof(inquiry_results) + (MAX_BT_DEVICES * BT_ADDRESS_SIZE));
   inq_res->nbr_of_units = MAX_BT_DEVICES;
   inq_res->inq_time = 5;
    
   /*-----------------------------------------------------*/
   /* Issue the ioctl.                                    */
   /*-----------------------------------------------------*/
   if (ioctl(bt_cfd, HCIINQUIRY, inq_res) < 0)
   {
     btErrorHCIInquiry->show();
     close(bt_cfd);
     return NULL;
   }

   //
   // Hide the "in progress" window, since the ioctls are done
   //
   btScanForBluetoothDevicesInProgressWindow -> hide();

   /*-----------------------------------------------------*/
   /* For the number of peers found, print their BD addrs */
   /*-----------------------------------------------------*/
   treeWidget->clear();
   treeWidget->traverse_start();
   for (index = 0; index < inq_res->nbr_of_units; index++)
   {
      char tmpString[80];

      /*------------------------------------------------------------*/
      /* For each device found, change a button label and enable it */
      /*------------------------------------------------------------*/
      sprintf(tmpString, "%02x:%02x:%02x:%02x:%02x:%02x",
	   inq_res->bd_addr[0+6*index],inq_res->bd_addr[1+6*index],
	   inq_res->bd_addr[2+6*index],inq_res->bd_addr[3+6*index],
	   inq_res->bd_addr[4+6*index],inq_res->bd_addr[5+6*index]);

      //
      // Add this found bluetooth device to the toggle tree.
      //
      treeWidget->add_next(tmpString, 1, bluetoothIcon);

   }

   //
   // Update the toggle tree view height.
   //
   treeWidget->update_height();

   //
   // Free inquiry memory
   //
   free(inq_res);

   //
   // Close the ttyBTC control channel.
   //
   close(bt_cfd);

   pthread_exit(0);
}

//
// Function:  btScanForBluetoothDevices()
// This function will scan for available bluetooth
// devices that are within range.  Those bluetooth devices
// found are enumerated in a ToggleTree.
//
void BTNeighborhood::btScanForBluetoothDevices()
{
   int index;

   /*-----------------------------------------------------*/
   /* Open the bluetooth control tty.                     */
   /*-----------------------------------------------------*/
   if ((bt_cfd = open(BT_CONTROL_TTY, O_RDWR)) < 0 )
   { 
      btErrorCantFindBTDriverWindow->show();
      return;
   }
   tcflush(bt_cfd, TCIOFLUSH);

   //
   // Place a window up while the ioctls are taking place.
   //
   btScanForBluetoothDevicesInProgressWindow -> show();

   if ( pthread_create(&pthread, NULL, ioctlCall, NULL ) == 0 )
   {
   }

}  // End of btScanForBluetoothDevices() */