From 283870e39be08e89050377cf2e4584b453cdc4e2 Mon Sep 17 00:00:00 2001 From: Alex Blasche Date: Tue, 28 Feb 2017 15:30:46 +0100 Subject: Add new heartrate example MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The example is a redesign by Lasse Räihä based in the heartrate-listener example. Change-Id: Iec0f48603408b37c7054839d520368eb1e436895 Reviewed-by: Oliver Wolff --- examples/bluetooth/heartrate-game/devicefinder.cpp | 159 +++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100644 examples/bluetooth/heartrate-game/devicefinder.cpp (limited to 'examples/bluetooth/heartrate-game/devicefinder.cpp') diff --git a/examples/bluetooth/heartrate-game/devicefinder.cpp b/examples/bluetooth/heartrate-game/devicefinder.cpp new file mode 100644 index 00000000..0579ad4a --- /dev/null +++ b/examples/bluetooth/heartrate-game/devicefinder.cpp @@ -0,0 +1,159 @@ +/*************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the QtBluetooth module 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "devicefinder.h" +#include "devicehandler.h" +#include "deviceinfo.h" + +#include + +DeviceFinder::DeviceFinder(DeviceHandler *handler, QObject *parent): + BluetoothBaseClass(parent), + m_deviceHandler(handler) +{ + m_deviceDiscoveryAgent = new QBluetoothDeviceDiscoveryAgent(this); + + connect(m_deviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::deviceDiscovered, this, &DeviceFinder::addDevice); + connect(m_deviceDiscoveryAgent, static_cast(&QBluetoothDeviceDiscoveryAgent::error), + this, &DeviceFinder::scanError); + + connect(m_deviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::finished, this, &DeviceFinder::scanFinished); + connect(m_deviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::canceled, this, &DeviceFinder::scanFinished); + + +#ifdef Q_OS_WIN32 + m_demoTimer.setSingleShot(true); + m_demoTimer.setInterval(2000); + connect(&m_demoTimer, &QTimer::timeout, this, &DeviceFinder::scanFinished); +#endif +} + +DeviceFinder::~DeviceFinder() +{ + qDeleteAll(m_devices); + m_devices.clear(); +} + +void DeviceFinder::startSearch() +{ + clearMessages(); + m_deviceHandler->setDevice(0); + qDeleteAll(m_devices); + m_devices.clear(); + + emit devicesChanged(); + +#ifdef Q_OS_WIN32 + m_demoTimer.start(); +#else + m_deviceDiscoveryAgent->start(); +#endif + emit scanningChanged(); + setInfo(tr("Scanning for devices...")); +} + +void DeviceFinder::addDevice(const QBluetoothDeviceInfo &device) +{ + // If device is LowEnergy-device, add it to the list + if (device.coreConfigurations() & QBluetoothDeviceInfo::LowEnergyCoreConfiguration) { + m_devices.append(new DeviceInfo(device)); + setInfo(tr("Low Energy device found. Scanning more...")); + emit devicesChanged(); + } +} + +void DeviceFinder::scanError(QBluetoothDeviceDiscoveryAgent::Error error) +{ + if (error == QBluetoothDeviceDiscoveryAgent::PoweredOffError) + setError(tr("The Bluetooth adaptor is powered off.")); + else if (error == QBluetoothDeviceDiscoveryAgent::InputOutputError) + setError(tr("Writing or reading from the device resulted in an error.")); + else + setError(tr("An unknown error has occurred.")); +} + +void DeviceFinder::scanFinished() +{ +#ifdef Q_OS_WIN32 + // Only for testing + for (int i = 0; i < 5; i++) + m_devices.append(new DeviceInfo(QBluetoothDeviceInfo())); +#endif + + if (m_devices.size() == 0) + setError(tr("No Low Energy devices found.")); + else + setInfo(tr("Scanning done.")); + + emit scanningChanged(); + emit devicesChanged(); +} + +void DeviceFinder::connectToService(const QString &address) +{ + m_deviceDiscoveryAgent->stop(); + + DeviceInfo *currentDevice = 0; + for (int i = 0; i < m_devices.size(); i++) { + if (((DeviceInfo*)m_devices.at(i))->getAddress() == address ) { + currentDevice = (DeviceInfo*)m_devices.at(i); + break; + } + } + + if (currentDevice) + m_deviceHandler->setDevice(currentDevice); + + clearMessages(); +} + +bool DeviceFinder::scanning() const +{ +#ifdef Q_OS_WIN32 + return m_demoTimer.isActive(); +#else + return m_deviceDiscoveryAgent->isActive(); +#endif +} + +QVariant DeviceFinder::devices() +{ + return QVariant::fromValue(m_devices); +} -- cgit v1.2.3