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+#############################################################################
+##
+## Copyright (C) 2022 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the Qt for Python examples 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 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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide6 port of the bluetooth/heartrate-server example from Qt v6.x"""
+
+import sys
+from enum import Enum
+
+from PySide6.QtBluetooth import (QBluetoothUuid, QLowEnergyAdvertisingData,
+ QLowEnergyAdvertisingParameters,
+ QLowEnergyCharacteristic,
+ QLowEnergyCharacteristicData,
+ QLowEnergyController,
+ QLowEnergyDescriptorData,
+ QLowEnergyServiceData)
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtCore import QByteArray, QTimer, QLoggingCategory
+
+
+class ValueChange(Enum):
+ VALUE_UP = 1
+ VALUE_DOWN = 2
+
+
+if __name__ == '__main__':
+ app = QGuiApplication(sys.argv)
+ QLoggingCategory.setFilterRules("qt.bluetooth* = true")
+
+#! [Advertising Data]
+ advertising_data = QLowEnergyAdvertisingData()
+ advertising_data.setDiscoverability(QLowEnergyAdvertisingData.DiscoverabilityGeneral)
+ advertising_data.setIncludePowerLevel(True)
+ advertising_data.setLocalName("HeartRateServer")
+ advertising_data.setServices([QBluetoothUuid.ServiceClassUuid.HeartRate])
+#! [Advertising Data]
+
+#! [Service Data]
+ char_data = QLowEnergyCharacteristicData()
+ char_data.setUuid(QBluetoothUuid.CharacteristicType.HeartRateMeasurement)
+ char_data.setValue(QByteArray(2, 0))
+ char_data.setProperties(QLowEnergyCharacteristic.Notify)
+ client_config = QLowEnergyDescriptorData(QBluetoothUuid.DescriptorType.ClientCharacteristicConfiguration,
+ QByteArray(2, 0))
+ char_data.addDescriptor(client_config)
+
+ service_data = QLowEnergyServiceData()
+ service_data.setType(QLowEnergyServiceData.ServiceTypePrimary)
+ service_data.setUuid(QBluetoothUuid.ServiceClassUuid.HeartRate)
+ service_data.addCharacteristic(char_data)
+#! [Service Data]
+
+#! [Start Advertising]
+ le_controller = QLowEnergyController.createPeripheral()
+ service = le_controller.addService(service_data)
+ le_controller.startAdvertising(QLowEnergyAdvertisingParameters(),
+ advertising_data, advertising_data)
+#! [Start Advertising]
+
+#! [Provide Heartbeat]
+ value_change = ValueChange.VALUE_UP
+ heartbeat_timer = QTimer()
+ current_heart_rate = 60
+
+ def heartbeat_provider():
+ global current_heart_rate, value_change, current_heart_rate
+ value = QByteArray()
+ value.append(chr(0)) # Flags that specify the format of the value.
+ value.append(chr(current_heart_rate)) # Actual value.
+ characteristic = service.characteristic(QBluetoothUuid.CharacteristicType.HeartRateMeasurement)
+ assert(characteristic.isValid())
+ # Potentially causes notification.
+ service.writeCharacteristic(characteristic, value)
+ if current_heart_rate == 60:
+ value_change = ValueChange.VALUE_UP
+ elif current_heart_rate == 100:
+ value_change = ValueChange.VALUE_DOWN
+ if value_change == ValueChange.VALUE_UP:
+ current_heart_rate += 1
+ else:
+ current_heart_rate -= 1
+
+ heartbeat_timer.timeout.connect(heartbeat_provider)
+ heartbeat_timer.start(1000)
+#! [Provide Heartbeat]
+
+ def reconnect():
+ service = le_controller.addService(service_data)
+ if not service.isNull():
+ le_controller.startAdvertising(QLowEnergyAdvertisingParameters(),
+ advertising_data, advertising_data)
+
+ le_controller.disconnected.connect(reconnect)
+
+ sys.exit(app.exec())