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src/devicehandler.h 4.5 KB
0c5b5e5c   Steven de Ridder   Initial commit. d...
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  /* ****************************************************************************
   * Copyright 2019 Open Systems Development BV                                 *
   *                                                                            *
   * Permission is hereby granted, free of charge, to any person obtaining a    *
   * copy of this software and associated documentation files (the "Software"), *
   * to deal in the Software without restriction, including without limitation  *
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
   * and/or sell copies of the Software, and to permit persons to whom the      *
   * Software is furnished to do so, subject to the following conditions:       *
   *                                                                            *
   * The above copyright notice and this permission notice shall be included in *
   * all copies or substantial portions of the Software.                        *
   *                                                                            *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
   * DEALINGS IN THE SOFTWARE.                                                  *
   * ***************************************************************************/
  #ifndef OSDEV_COMPONENTS_BLUETOOTH_DEVICEHANDLER_H
  #define OSDEV_COMPONENTS_BLUETOOTH_DEVICEHANDLER_H
  
  #include "bluetoothbaseclass.h"
  #include "deviceinfo.h"
  
  #include <QDateTime>
  #include <QTimer>
  #include <QVector>
  
  #include <QLowEnergyController>
  #include <QLowEnergyService>
  
  namespace osdev {
  namespace components {
  namespace bluetooth {
  
  class DeviceHandler : public BluetoothBaseClass
  {
      Q_OBJECT
  
  public:
      enum class AddressType
      {
          PublicAddress,
          RandomAddress
      };
  
      DeviceHandler( QObject *parent = nullptr );
  
      /// Deleted copy-constructor
      DeviceHandler( const DeviceHandler& ) = delete;
      /// Deleted assignment operator
      DeviceHandler& operator=(const DeviceHandler&) = delete;
      /// Deleted move-constructor
      DeviceHandler( DeviceHandler&& ) = delete;
      /// Deleted move operator
      DeviceHandler& operator=( DeviceHandler&& ) = delete;
  
      void        setDevice( DeviceInfo *device );
      void        setAddressType( AddressType type );
      AddressType addressType() const;
  
      bool        measuring() const;
      bool        alive() const;
  
      void        setRequestedServiceUuid( const QBluetoothUuid &service_uuid );
      QBluetoothUuid requestedServiceUuid() const;
  
      void        setRequestedCharacteristicUuid( const QBluetoothUuid &char_uuid );
      QBluetoothUuid requestedCharacteristicUuid() const;
  
  signals:
      void        signalMeasuringChanged();
      void        signalAliveChanged();
      void        signalConnectionStateChanged( bool state );
      void        signalStatsChanged();
  
      void        signalReceivedValue( const QString &value );
  
  public slots:
      void        slotStartMeasurement();
      void        slotStopMeasurement();
      void        slotDisconnectService();
  
      // QLowEnergyController
      void        slotServiceDiscovered( const QBluetoothUuid &gatt );
      void        slotServiceScanDone();
  
      // QLowEnergyService
      void        slotServiceStateChanged( QLowEnergyService::ServiceState state );
      void        slotUpdateMeasuredValue( const QLowEnergyCharacteristic &characteristic, const QByteArray &value );
      void        slotConfirmedDescriptorWrite( const QLowEnergyDescriptor &descriptor, const QByteArray &value );
  
  private:
      QLowEnergyController    *m_pControl;
      QLowEnergyService       *m_pService;
      QLowEnergyDescriptor     m_notificationDescriptor;
      DeviceInfo              *m_pCurrentDevice;
  
      bool                     m_foundRequestedService;
      bool                     m_measuring;
  
      QVector<int>             m_measurements;
      QLowEnergyController::RemoteAddressType m_addressType;
      QBluetoothUuid           m_requestedServiceUuid;
      QBluetoothUuid           m_requestedCharacteristicUuid;
  };
  
  }       /* End namespace bluetooth  */
  }       /* End namespace components */
  }       /* End namespace osdev      */
  
  #endif  /* OSDEV_COMPONENTS_BLUETOOTH_DEVICEHANDLER_H */