diff options
Diffstat (limited to 'examples/bluetooth/heartrate-server/main.cpp')
| -rw-r--r-- | examples/bluetooth/heartrate-server/main.cpp | 162 |
1 files changed, 85 insertions, 77 deletions
diff --git a/examples/bluetooth/heartrate-server/main.cpp b/examples/bluetooth/heartrate-server/main.cpp index ea01d07d..90b4461c 100644 --- a/examples/bluetooth/heartrate-server/main.cpp +++ b/examples/bluetooth/heartrate-server/main.cpp @@ -1,101 +1,108 @@ -/*************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the QtBluetooth module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtBluetooth/qlowenergyadvertisingdata.h> -#include <QtBluetooth/qlowenergyadvertisingparameters.h> -#include <QtBluetooth/qlowenergycharacteristic.h> -#include <QtBluetooth/qlowenergycharacteristicdata.h> -#include <QtBluetooth/qlowenergydescriptordata.h> -#include <QtBluetooth/qlowenergycontroller.h> -#include <QtBluetooth/qlowenergyservice.h> -#include <QtBluetooth/qlowenergyservicedata.h> -#include <QtCore/qbytearray.h> -#include <QtCore/qcoreapplication.h> -#include <QtCore/qlist.h> -#include <QtCore/qloggingcategory.h> -#include <QtCore/qscopedpointer.h> -#include <QtCore/qtimer.h> +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include <QLowEnergyAdvertisingData> +#include <QLowEnergyAdvertisingParameters> +#include <QLowEnergyCharacteristic> +#include <QLowEnergyCharacteristicData> +#include <QLowEnergyDescriptorData> +#include <QLowEnergyController> +#include <QLowEnergyService> +#include <QLowEnergyServiceData> + +#include <QByteArray> + +#if defined(Q_OS_ANDROID) || defined(Q_OS_DARWIN) +#include <QGuiApplication> +#else +#include <QCoreApplication> +#endif + +#include <QList> +#include <QLoggingCategory> +#include <QTimer> + +#if QT_CONFIG(permissions) +#include <QPermissions> +#endif + +#include <memory> int main(int argc, char *argv[]) { - //QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true")); + // QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true")); +#if defined(Q_OS_ANDROID) || defined(Q_OS_DARWIN) + QGuiApplication app(argc, argv); +#else QCoreApplication app(argc, argv); +#endif +#if QT_CONFIG(permissions) + //! [Check Bluetooth Permission] + auto permissionStatus = app.checkPermission(QBluetoothPermission{}); + //! [Check Bluetooth Permission] + + //! [Request Bluetooth Permission] + if (permissionStatus == Qt::PermissionStatus::Undetermined) { + qInfo("Requesting Bluetooth permission ..."); + app.requestPermission(QBluetoothPermission{}, [&permissionStatus](const QPermission &permission){ + qApp->exit(); + permissionStatus = permission.status(); + }); + // Now, wait for permission request to resolve. + app.exec(); + } + //! [Request Bluetooth Permission] + + if (permissionStatus == Qt::PermissionStatus::Denied) { + // Either explicitly denied by a user, or Bluetooth is off. + qWarning("This application cannot use Bluetooth, the permission was denied"); + return -1; + } + +#endif //! [Advertising Data] QLowEnergyAdvertisingData advertisingData; advertisingData.setDiscoverability(QLowEnergyAdvertisingData::DiscoverabilityGeneral); advertisingData.setIncludePowerLevel(true); advertisingData.setLocalName("HeartRateServer"); - advertisingData.setServices(QList<QBluetoothUuid>() << QBluetoothUuid::HeartRate); + advertisingData.setServices(QList<QBluetoothUuid>() << QBluetoothUuid::ServiceClassUuid::HeartRate); //! [Advertising Data] //! [Service Data] QLowEnergyCharacteristicData charData; - charData.setUuid(QBluetoothUuid::HeartRateMeasurement); + charData.setUuid(QBluetoothUuid::CharacteristicType::HeartRateMeasurement); charData.setValue(QByteArray(2, 0)); charData.setProperties(QLowEnergyCharacteristic::Notify); - const QLowEnergyDescriptorData clientConfig(QBluetoothUuid::ClientCharacteristicConfiguration, + const QLowEnergyDescriptorData clientConfig(QBluetoothUuid::DescriptorType::ClientCharacteristicConfiguration, QByteArray(2, 0)); charData.addDescriptor(clientConfig); QLowEnergyServiceData serviceData; serviceData.setType(QLowEnergyServiceData::ServiceTypePrimary); - serviceData.setUuid(QBluetoothUuid::HeartRate); + serviceData.setUuid(QBluetoothUuid::ServiceClassUuid::HeartRate); serviceData.addCharacteristic(charData); //! [Service Data] //! [Start Advertising] - const QScopedPointer<QLowEnergyController> leController(QLowEnergyController::createPeripheral()); - QScopedPointer<QLowEnergyService> service(leController->addService(serviceData)); + bool errorOccurred = false; + const std::unique_ptr<QLowEnergyController> leController(QLowEnergyController::createPeripheral()); + auto errorHandler = [&leController, &errorOccurred](QLowEnergyController::Error errorCode) { + qWarning().noquote().nospace() << errorCode << " occurred: " + << leController->errorString(); + if (errorCode != QLowEnergyController::RemoteHostClosedError) { + qWarning("Heartrate-server quitting due to the error."); + errorOccurred = true; + QCoreApplication::quit(); + } + }; + QObject::connect(leController.get(), &QLowEnergyController::errorOccurred, errorHandler); + + std::unique_ptr<QLowEnergyService> service(leController->addService(serviceData)); leController->startAdvertising(QLowEnergyAdvertisingParameters(), advertisingData, advertisingData); + if (errorOccurred) + return -1; //! [Start Advertising] //! [Provide Heartbeat] @@ -107,7 +114,7 @@ int main(int argc, char *argv[]) value.append(char(0)); // Flags that specify the format of the value. value.append(char(currentHeartRate)); // Actual value. QLowEnergyCharacteristic characteristic - = service->characteristic(QBluetoothUuid::HeartRateMeasurement); + = service->characteristic(QBluetoothUuid::CharacteristicType::HeartRateMeasurement); Q_ASSERT(characteristic.isValid()); service->writeCharacteristic(characteristic, value); // Potentially causes notification. if (currentHeartRate == 60) @@ -123,14 +130,15 @@ int main(int argc, char *argv[]) heartbeatTimer.start(1000); //! [Provide Heartbeat] - auto reconnect = [&leController, advertisingData, &service, serviceData]() - { + auto reconnect = [&leController, advertisingData, &service, serviceData]() { service.reset(leController->addService(serviceData)); - if (!service.isNull()) + if (service) { leController->startAdvertising(QLowEnergyAdvertisingParameters(), advertisingData, advertisingData); + } }; - QObject::connect(leController.data(), &QLowEnergyController::disconnected, reconnect); + QObject::connect(leController.get(), &QLowEnergyController::disconnected, reconnect); - return app.exec(); + const int retval = QCoreApplication::exec(); + return errorOccurred ? -1 : retval; } |