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/***************************************************************************
**
** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc and its Subsidiary(-ies) 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 HEARTRATE_H
#define HEARTRATE_H
#include "deviceinfo.h"
#include <QString>
#include <QDebug>
#include <QDateTime>
#include <QVector>
#include <QTimer>
#include <QBluetoothDeviceDiscoveryAgent>
#include <QBluetoothDeviceInfo>
#include <QLowEnergyController>
#include <QLowEnergyService>
QT_USE_NAMESPACE
class HeartRate: public QObject
{
Q_OBJECT
Q_PROPERTY(QVariant name READ name NOTIFY nameChanged)
Q_PROPERTY(QString message READ message NOTIFY messageChanged)
Q_PROPERTY(int hr READ hR NOTIFY hrChanged)
Q_PROPERTY(int maxHR READ maxHR NOTIFY averageChanged)
Q_PROPERTY(int minHR READ minHR NOTIFY averageChanged)
Q_PROPERTY(float average READ average NOTIFY averageChanged)
Q_PROPERTY(int time READ time NOTIFY timeChanged)
Q_PROPERTY(float calories READ caloriesCalculation NOTIFY caloriesChanged)
public:
HeartRate();
~HeartRate();
void setMessage(QString message);
QString message() const;
QVariant name();
int hR() const;
int time();
float average();
int maxHR() const;
int minHR() const;
float caloriesCalculation();
public slots:
void deviceSearch();
void connectToService(const QString &address);
void disconnectService();
void startDemo();
void obtainResults();
int measurements(int index) const;
int measurementsSize() const;
QString deviceAddress() const;
int numDevices() const;
private slots:
//QBluetothDeviceDiscoveryAgent
void addDevice(const QBluetoothDeviceInfo&);
void scanFinished();
void deviceScanError(QBluetoothDeviceDiscoveryAgent::Error);
//QLowEnergyController
void serviceDiscovered(const QBluetoothUuid &);
void serviceScanDone();
void controllerError(QLowEnergyController::Error);
void deviceConnected();
void deviceDisconnected();
//QLowEnergyService
void serviceStateChanged(QLowEnergyService::ServiceState s);
void updateHeartRateValue(const QLowEnergyCharacteristic &c,
const QByteArray &value);
void confirmedDescriptorWrite(const QLowEnergyDescriptor &d,
const QByteArray &value);
void serviceError(QLowEnergyService::ServiceError e);
//DemoMode
void receiveDemo();
Q_SIGNALS:
void messageChanged();
void nameChanged();
void hrChanged();
void averageChanged();
void timeChanged();
void caloriesChanged();
private:
int randomPulse() const;
DeviceInfo m_currentDevice;
QBluetoothDeviceDiscoveryAgent *m_deviceDiscoveryAgent;
QLowEnergyDescriptor m_notificationDesc;
QList<QObject*> m_devices;
QString m_info;
bool foundHeartRateService;
QVector<quint16> m_measurements;
QDateTime m_start;
QDateTime m_stop;
int m_max;
int m_min;
float calories;
QLowEnergyController *m_control;
QTimer *timer; // for demo application
QLowEnergyService *m_service;
};
#endif // HEARTRATE_H
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