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39
40#ifndef QLOWENERGYCONTROLLER_H
41#define QLOWENERGYCONTROLLER_H
42
43#include <QtCore/QObject>
44#include <QtBluetooth/QBluetoothAddress>
45#include <QtBluetooth/QBluetoothDeviceInfo>
46#include <QtBluetooth/QBluetoothUuid>
47#include <QtBluetooth/QLowEnergyAdvertisingData>
48#include <QtBluetooth/QLowEnergyService>
49
50QT_BEGIN_NAMESPACE
51
52class QLowEnergyAdvertisingParameters;
53class QLowEnergyConnectionParameters;
54class QLowEnergyControllerPrivate;
55class QLowEnergyServiceData;
56
57class Q_BLUETOOTH_EXPORT QLowEnergyController : public QObject
58{
59 Q_OBJECT
60public:
61 enum Error {
62 NoError,
63 UnknownError,
64 UnknownRemoteDeviceError,
65 NetworkError,
66 InvalidBluetoothAdapterError,
67 ConnectionError,
68 AdvertisingError,
69 RemoteHostClosedError,
70 AuthorizationError
71 };
72 Q_ENUM(Error)
73
74 enum ControllerState {
75 UnconnectedState = 0,
76 ConnectingState,
77 ConnectedState,
78 DiscoveringState,
79 DiscoveredState,
80 ClosingState,
81 AdvertisingState,
82 };
83 Q_ENUM(ControllerState)
84
85 enum RemoteAddressType {
86 PublicAddress = 0,
87 RandomAddress
88 };
89 Q_ENUM(RemoteAddressType)
90
91 enum Role { CentralRole, PeripheralRole };
92 Q_ENUM(Role)
93
94 explicit QLowEnergyController(const QBluetoothAddress &remoteDevice,
95 QObject *parent = nullptr); // TODO Qt 6 remove ctor
96 explicit QLowEnergyController(const QBluetoothDeviceInfo &remoteDevice,
97 QObject *parent = nullptr); // TODO Qt 6 make private
98 explicit QLowEnergyController(const QBluetoothAddress &remoteDevice,
99 const QBluetoothAddress &localDevice,
100 QObject *parent = nullptr); // TODO Qt 6 remove ctor
101
102 static QLowEnergyController *createCentral(const QBluetoothDeviceInfo &remoteDevice,
103 QObject *parent = nullptr);
104 static QLowEnergyController *createCentral(const QBluetoothAddress &remoteDevice,
105 const QBluetoothAddress &localDevice,
106 QObject *parent = nullptr);
107 static QLowEnergyController *createPeripheral(QObject *parent = nullptr);
108
109 // TODO: Allow to set connection timeout (disconnect when no data has been exchanged for n seconds).
110
111 ~QLowEnergyController();
112
113 QBluetoothAddress localAddress() const;
114 QBluetoothAddress remoteAddress() const;
115 QBluetoothUuid remoteDeviceUuid() const;
116
117 QString remoteName() const;
118
119 ControllerState state() const;
120
121 // TODO Qt6 remove this property. It is not longer needed when using Bluez DBus backend
122 RemoteAddressType remoteAddressType() const;
123 void setRemoteAddressType(RemoteAddressType type);
124
125 void connectToDevice();
126 void disconnectFromDevice();
127
128 void discoverServices();
129 QList<QBluetoothUuid> services() const;
130 QLowEnergyService *createServiceObject(const QBluetoothUuid &service, QObject *parent = nullptr);
131
132 void startAdvertising(const QLowEnergyAdvertisingParameters &parameters,
133 const QLowEnergyAdvertisingData &advertisingData,
134 const QLowEnergyAdvertisingData &scanResponseData = QLowEnergyAdvertisingData());
135 void stopAdvertising();
136
137 QLowEnergyService *addService(const QLowEnergyServiceData &service, QObject *parent = nullptr);
138
139 void requestConnectionUpdate(const QLowEnergyConnectionParameters &parameters);
140
141 Error error() const;
142 QString errorString() const;
143
144 Role role() const;
145
146Q_SIGNALS:
147 void connected();
148 void disconnected();
149 void stateChanged(QLowEnergyController::ControllerState state);
150 void error(QLowEnergyController::Error newError);
151
152 void serviceDiscovered(const QBluetoothUuid &newService);
153 void discoveryFinished();
154 void connectionUpdated(const QLowEnergyConnectionParameters &parameters);
155
156private:
157 explicit QLowEnergyController(QObject *parent = nullptr); // For the peripheral role.
158
159 Q_DECLARE_PRIVATE(QLowEnergyController)
160 QLowEnergyControllerPrivate *d_ptr;
161};
162
163QT_END_NAMESPACE
164
165Q_DECLARE_METATYPE(QLowEnergyController::Error)
166Q_DECLARE_METATYPE(QLowEnergyController::ControllerState)
167Q_DECLARE_METATYPE(QLowEnergyController::RemoteAddressType)
168Q_DECLARE_METATYPE(QLowEnergyController::Role)
169
170#endif // QLOWENERGYCONTROLLER_H
171

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source code of qtconnectivity/src/bluetooth/qlowenergycontroller.h