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/***************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DEVICEHANDLER_H
#define DEVICEHANDLER_H
#include "bluetoothbaseclass.h"
#include <QDateTime>
#include <QTimer>
#include <QVector>
#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 = nullptr);
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 = nullptr;
QLowEnergyService *m_service = nullptr;
QLowEnergyDescriptor m_notificationDesc;
DeviceInfo *m_currentDevice = nullptr;
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
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