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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QLOWENERGYCONTROLLERPRIVATE_P_H
#define QLOWENERGYCONTROLLERPRIVATE_P_H
#include <qglobal.h>
#include <QtCore/QQueue>
#include <QtBluetooth/qbluetooth.h>
#include "qlowenergycontroller.h"
#include "qlowenergyserviceprivate_p.h"
#if defined(QT_BLUEZ_BLUETOOTH) && !defined(QT_BLUEZ_NO_BTLE)
#include <QtBluetooth/QBluetoothSocket>
#endif
QT_BEGIN_NAMESPACE
typedef QMap<QBluetoothUuid, QSharedPointer<QLowEnergyServicePrivate> > ServiceDataMap;
class QLowEnergyControllerPrivate : public QObject
{
Q_OBJECT
Q_DECLARE_PUBLIC(QLowEnergyController)
public:
QLowEnergyControllerPrivate();
~QLowEnergyControllerPrivate();
void setError(QLowEnergyController::Error newError);
bool isValidLocalAdapter();
void setState(QLowEnergyController::ControllerState newState);
void connectToDevice();
void disconnectFromDevice();
void discoverServices();
void invalidateServices();
void discoverServiceDetails(const QBluetoothUuid &service);
// misc helpers
QSharedPointer<QLowEnergyServicePrivate> serviceForHandle(
QLowEnergyHandle handle);
QLowEnergyCharacteristic characteristicForHandle(
QLowEnergyHandle handle);
QLowEnergyDescriptor descriptorForHandle(
QLowEnergyHandle handle);
quint16 updateValueOfCharacteristic(QLowEnergyHandle charHandle,
const QByteArray &value,
bool appendValue);
quint16 updateValueOfDescriptor(QLowEnergyHandle charHandle,
QLowEnergyHandle descriptorHandle,
const QByteArray &value,
bool appendValue);
// write data
void writeCharacteristic(const QSharedPointer<QLowEnergyServicePrivate> service,
const QLowEnergyHandle charHandle,
const QByteArray &newValue);
void writeDescriptor(const QSharedPointer<QLowEnergyServicePrivate> service,
const QLowEnergyHandle charHandle,
const QLowEnergyHandle descriptorHandle,
const QByteArray &newValue);
QBluetoothAddress remoteDevice;
QBluetoothAddress localAdapter;
QLowEnergyController::ControllerState state;
QLowEnergyController::Error error;
QString errorString;
// list of all found service uuids
ServiceDataMap serviceList;
private:
#if defined(QT_BLUEZ_BLUETOOTH) && !defined(QT_BLUEZ_NO_BTLE)
QBluetoothSocket *l2cpSocket;
struct Request {
quint8 command;
QByteArray payload;
// TODO reference below is ugly but until we know all commands and their
// requirements this is WIP
QVariant reference;
QVariant reference2;
};
QQueue<Request> openRequests;
bool requestPending;
quint16 mtuSize;
void sendCommand(const QByteArray &packet);
void sendNextPendingRequest();
void processReply(const Request &request, const QByteArray &reply);
void sendReadByGroupRequest(QLowEnergyHandle start, QLowEnergyHandle end,
quint16 type);
void sendReadByTypeRequest(QSharedPointer<QLowEnergyServicePrivate> serviceData,
QLowEnergyHandle nextHandle, quint16 attributeType);
void sendReadValueRequest(QLowEnergyHandle attributeHandle, bool isDescriptor);
void readServiceValues(const QBluetoothUuid &service,
bool readCharacteristics);
void readServiceValuesByOffset(quint16 handleData, quint16 offset,
bool isLastValue);
void discoverServiceDescriptors(const QBluetoothUuid &serviceUuid);
void discoverNextDescriptor(QSharedPointer<QLowEnergyServicePrivate> serviceData,
const QList<QLowEnergyHandle> pendingCharHandles,
QLowEnergyHandle startingHandle);
void processUnsolicitedReply(const QByteArray &msg);
void exchangeMTU();
private slots:
void l2cpConnected();
void l2cpDisconnected();
void l2cpErrorChanged(QBluetoothSocket::SocketError);
void l2cpReadyRead();
#endif
private:
QLowEnergyController *q_ptr;
};
QT_END_NAMESPACE
#endif // QLOWENERGYCONTROLLERPRIVATE_P_H
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