devicehandler.h Example File

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#ifndef DEVICEHANDLER_H
#define DEVICEHANDLER_H
#include "bluetoothbaseclass.h"
#include <QDateTime>
#include <QVector>
#include <QTimer>
#include <QLowEnergyController>
#include <QLowEnergyService>
class DeviceInfo;
class DeviceHandler : public BluetoothBaseClass
{
    Q_OBJECT
    Q_PROPERTY(bool measuring READ measuring NOTIFY measuringChanged)
    Q_PROPERTY(bool alive READ alive NOTIFY aliveChanged)
    Q_PROPERTY(int hr READ hr NOTIFY statsChanged)
    Q_PROPERTY(int maxHR READ maxHR NOTIFY statsChanged)
    Q_PROPERTY(int minHR READ minHR NOTIFY statsChanged)
    Q_PROPERTY(float average READ average NOTIFY statsChanged)
    Q_PROPERTY(int time READ time NOTIFY statsChanged)
    Q_PROPERTY(float calories READ calories NOTIFY statsChanged)
    Q_PROPERTY(AddressType addressType READ addressType WRITE setAddressType)
public:
    enum class AddressType {
        PublicAddress,
        RandomAddress
    };
    Q_ENUM(AddressType)
    DeviceHandler(QObject *parent = 0);
    void setDevice(DeviceInfo *device);
    void setAddressType(AddressType type);
    AddressType addressType() const;
    bool measuring() const;
    bool alive() const;
    // Statistics
    int hr() const;
    int time() const;
    float average() const;
    int maxHR() const;
    int minHR() const;
    float calories() const;
signals:
    void measuringChanged();
    void aliveChanged();
    void statsChanged();
public slots:
    void startMeasurement();
    void stopMeasurement();
    void disconnectService();
private:
    //QLowEnergyController
    void serviceDiscovered(const QBluetoothUuid &);
    void serviceScanDone();
    //QLowEnergyService
    void serviceStateChanged(QLowEnergyService::ServiceState s);
    void updateHeartRateValue(const QLowEnergyCharacteristic &c,
                              const QByteArray &value);
    void confirmedDescriptorWrite(const QLowEnergyDescriptor &d,
                              const QByteArray &value);
#ifdef SIMULATOR
    void updateDemoHR();
#endif
private:
    void addMeasurement(int value);
    QLowEnergyController *m_control;
    QLowEnergyService *m_service;
    QLowEnergyDescriptor m_notificationDesc;
    DeviceInfo *m_currentDevice;
    bool m_foundHeartRateService;
    bool m_measuring;
    int m_currentValue, m_min, m_max, m_sum;
    float m_avg, m_calories;
    // Statistics
    QDateTime m_start;
    QDateTime m_stop;
    QVector<int> m_measurements;
    QLowEnergyController::RemoteAddressType m_addressType = QLowEnergyController::PublicAddress;
#ifdef SIMULATOR
    QTimer m_demoTimer;
#endif
};
#endif // DEVICEHANDLER_H