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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QLOWENERGYCONTROLLER_H
#define QLOWENERGYCONTROLLER_H
#include <QtCore/QObject>
#include <QtBluetooth/QBluetoothAddress>
#include <QtBluetooth/QBluetoothDeviceInfo>
#include <QtBluetooth/QBluetoothUuid>
#include <QtBluetooth/QLowEnergyAdvertisingData>
#include <QtBluetooth/QLowEnergyService>
QT_BEGIN_NAMESPACE
class QLowEnergyAdvertisingParameters;
class QLowEnergyConnectionParameters;
class QLowEnergyControllerPrivate;
class QLowEnergyServiceData;
class Q_BLUETOOTH_EXPORT QLowEnergyController : public QObject
{
Q_OBJECT
public:
enum Error {
NoError,
UnknownError,
UnknownRemoteDeviceError,
NetworkError,
InvalidBluetoothAdapterError,
ConnectionError,
AdvertisingError,
RemoteHostClosedError
};
Q_ENUM(Error)
enum ControllerState {
UnconnectedState = 0,
ConnectingState,
ConnectedState,
DiscoveringState,
DiscoveredState,
ClosingState,
AdvertisingState,
};
Q_ENUM(ControllerState)
enum RemoteAddressType {
PublicAddress = 0,
RandomAddress
};
Q_ENUM(RemoteAddressType)
enum Role { CentralRole, PeripheralRole };
Q_ENUM(Role)
explicit QLowEnergyController(const QBluetoothAddress &remoteDevice,
QObject *parent = nullptr); // TODO Qt 6 remove ctor
explicit QLowEnergyController(const QBluetoothDeviceInfo &remoteDevice,
QObject *parent = nullptr);
explicit QLowEnergyController(const QBluetoothAddress &remoteDevice,
const QBluetoothAddress &localDevice,
QObject *parent = nullptr); // TODO Qt 6 remove ctor
static QLowEnergyController *createCentral(const QBluetoothDeviceInfo &remoteDevice,
QObject *parent = nullptr);
static QLowEnergyController *createPeripheral(QObject *parent = nullptr);
// TODO: Allow to set connection timeout (disconnect when no data has been exchanged for n seconds).
~QLowEnergyController();
QBluetoothAddress localAddress() const;
QBluetoothAddress remoteAddress() const;
QBluetoothUuid remoteDeviceUuid() const;
QString remoteName() const;
ControllerState state() const;
// TODO Qt6 remove this property. It is not longer needed when using Bluez DBus backend
RemoteAddressType remoteAddressType() const;
void setRemoteAddressType(RemoteAddressType type);
void connectToDevice();
void disconnectFromDevice();
void discoverServices();
QList<QBluetoothUuid> services() const;
QLowEnergyService *createServiceObject(const QBluetoothUuid &service, QObject *parent = nullptr);
void startAdvertising(const QLowEnergyAdvertisingParameters ¶meters,
const QLowEnergyAdvertisingData &advertisingData,
const QLowEnergyAdvertisingData &scanResponseData = QLowEnergyAdvertisingData());
void stopAdvertising();
QLowEnergyService *addService(const QLowEnergyServiceData &service, QObject *parent = nullptr);
void requestConnectionUpdate(const QLowEnergyConnectionParameters ¶meters);
Error error() const;
QString errorString() const;
Role role() const;
Q_SIGNALS:
void connected();
void disconnected();
void stateChanged(QLowEnergyController::ControllerState state);
void error(QLowEnergyController::Error newError);
void serviceDiscovered(const QBluetoothUuid &newService);
void discoveryFinished();
void connectionUpdated(const QLowEnergyConnectionParameters ¶meters);
private:
explicit QLowEnergyController(QObject *parent = nullptr); // For the peripheral role.
Q_DECLARE_PRIVATE(QLowEnergyController)
QLowEnergyControllerPrivate *d_ptr;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QLowEnergyController::Error)
Q_DECLARE_METATYPE(QLowEnergyController::ControllerState)
Q_DECLARE_METATYPE(QLowEnergyController::RemoteAddressType)
Q_DECLARE_METATYPE(QLowEnergyController::Role)
#endif // QLOWENERGYCONTROLLER_H
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