CC2541: SimpleBLEPeripheral中peripheralStateNotificationCB回调默认连接了？？？

   case GAPROLE_CONNECTED:
      {        
        #if (defined HAL_LCD) && (HAL_LCD == TRUE)
          HalLcdWriteString( "Connected",  HAL_LCD_LINE_3 );
        #endif // (defined HAL_LCD) && (HAL_LCD == TRUE)
          
#ifdef PLUS_BROADCASTER
        // Only turn advertising on for this state when we first connect
        // otherwise, when we go from connected_advertising back to this state
        // we will be turning advertising back on.
        if ( first_conn_flag == 0 ) 
        {
            uint8 advertEnabled = FALSE; // Turn on Advertising

            // Disable connectable advertising.
            GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8),
                                 &advertEnabled);
            
            // Set to true for non-connectabel advertising.
            advertEnabled = TRUE;
            
            // Enable non-connectable advertising.
            GAPRole_SetParameter(GAPROLE_ADV_NONCONN_ENABLED, sizeof(uint8),
                                 &advertEnabled);
            
            first_conn_flag = 1;
        }
#endif // PLUS_BROADCASTER
      simpleBLEState = BLE_STATE_CONNECTED;
      }
      break;