diff options
Diffstat (limited to 'examples/bluetooth/heartrate-game/devicehandler.cpp')
| -rw-r--r-- | examples/bluetooth/heartrate-game/devicehandler.cpp | 136 |
1 files changed, 47 insertions, 89 deletions
diff --git a/examples/bluetooth/heartrate-game/devicehandler.cpp b/examples/bluetooth/heartrate-game/devicehandler.cpp index 83a4fbbe..c264d771 100644 --- a/examples/bluetooth/heartrate-game/devicehandler.cpp +++ b/examples/bluetooth/heartrate-game/devicehandler.cpp @@ -1,73 +1,23 @@ -/*************************************************************************** -** -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause -#include "heartrate-global.h" #include "devicehandler.h" #include "deviceinfo.h" +#include "heartrate-global.h" + #include <QtEndian> #include <QRandomGenerator> DeviceHandler::DeviceHandler(QObject *parent) : - BluetoothBaseClass(parent), - m_foundHeartRateService(false), - m_measuring(false), - m_currentValue(0), - m_min(0), m_max(0), m_sum(0), m_avg(0), m_calories(0) + BluetoothBaseClass(parent) { -#ifdef SIMULATOR - m_demoTimer.setSingleShot(false); - m_demoTimer.setInterval(2000); - connect(&m_demoTimer, &QTimer::timeout, this, &DeviceHandler::updateDemoHR); - m_demoTimer.start(); - updateDemoHR(); -#endif + if (simulator) { + m_demoTimer.setSingleShot(false); + m_demoTimer.setInterval(2000); + connect(&m_demoTimer, &QTimer::timeout, this, &DeviceHandler::updateDemoHR); + m_demoTimer.start(); + updateDemoHR(); + } } void DeviceHandler::setAddressType(AddressType type) @@ -95,10 +45,11 @@ void DeviceHandler::setDevice(DeviceInfo *device) clearMessages(); m_currentDevice = device; -#ifdef SIMULATOR - setInfo(tr("Demo device connected.")); - return; -#endif + if (simulator) { + setInfo(tr("Demo device connected.")); + setIcon(IconBluetooth); + return; + } // Disconnect and delete old connection if (m_control) { @@ -121,17 +72,20 @@ void DeviceHandler::setDevice(DeviceInfo *device) connect(m_control, &QLowEnergyController::discoveryFinished, this, &DeviceHandler::serviceScanDone); - connect(m_control, static_cast<void (QLowEnergyController::*)(QLowEnergyController::Error)>(&QLowEnergyController::error), - this, [this](QLowEnergyController::Error error) { - Q_UNUSED(error); - setError("Cannot connect to remote device."); - }); + connect(m_control, &QLowEnergyController::errorOccurred, this, + [this](QLowEnergyController::Error error) { + Q_UNUSED(error); + setError("Cannot connect to remote device."); + setIcon(IconError); + }); connect(m_control, &QLowEnergyController::connected, this, [this]() { setInfo("Controller connected. Search services..."); + setIcon(IconProgress); m_control->discoverServices(); }); connect(m_control, &QLowEnergyController::disconnected, this, [this]() { setError("LowEnergy controller disconnected"); + setIcon(IconError); }); // Connect @@ -164,8 +118,9 @@ void DeviceHandler::stopMeasurement() //! [Filter HeartRate service 1] void DeviceHandler::serviceDiscovered(const QBluetoothUuid &gatt) { - if (gatt == QBluetoothUuid(QBluetoothUuid::HeartRate)) { + if (gatt == QBluetoothUuid(QBluetoothUuid::ServiceClassUuid::HeartRate)) { setInfo("Heart Rate service discovered. Waiting for service scan to be done..."); + setIcon(IconProgress); m_foundHeartRateService = true; } } @@ -174,6 +129,7 @@ void DeviceHandler::serviceDiscovered(const QBluetoothUuid &gatt) void DeviceHandler::serviceScanDone() { setInfo("Service scan done."); + setIcon(IconBluetooth); // Delete old service if available if (m_service) { @@ -184,7 +140,7 @@ void DeviceHandler::serviceScanDone() //! [Filter HeartRate service 2] // If heartRateService found, create new service if (m_foundHeartRateService) - m_service = m_control->createServiceObject(QBluetoothUuid(QBluetoothUuid::HeartRate), this); + m_service = m_control->createServiceObject(QBluetoothUuid(QBluetoothUuid::ServiceClassUuid::HeartRate), this); if (m_service) { connect(m_service, &QLowEnergyService::stateChanged, this, &DeviceHandler::serviceStateChanged); @@ -193,6 +149,7 @@ void DeviceHandler::serviceScanDone() m_service->discoverDetails(); } else { setError("Heart Rate Service not found."); + setIcon(IconError); } //! [Filter HeartRate service 2] } @@ -202,20 +159,24 @@ void DeviceHandler::serviceScanDone() void DeviceHandler::serviceStateChanged(QLowEnergyService::ServiceState s) { switch (s) { - case QLowEnergyService::DiscoveringServices: + case QLowEnergyService::RemoteServiceDiscovering: setInfo(tr("Discovering services...")); + setIcon(IconProgress); break; - case QLowEnergyService::ServiceDiscovered: + case QLowEnergyService::RemoteServiceDiscovered: { setInfo(tr("Service discovered.")); + setIcon(IconBluetooth); - const QLowEnergyCharacteristic hrChar = m_service->characteristic(QBluetoothUuid(QBluetoothUuid::HeartRateMeasurement)); + const QLowEnergyCharacteristic hrChar = + m_service->characteristic(QBluetoothUuid(QBluetoothUuid::CharacteristicType::HeartRateMeasurement)); if (!hrChar.isValid()) { setError("HR Data not found."); + setIcon(IconError); break; } - m_notificationDesc = hrChar.descriptor(QBluetoothUuid::ClientCharacteristicConfiguration); + m_notificationDesc = hrChar.descriptor(QBluetoothUuid::DescriptorType::ClientCharacteristicConfiguration); if (m_notificationDesc.isValid()) m_service->writeDescriptor(m_notificationDesc, QByteArray::fromHex("0100")); @@ -234,7 +195,7 @@ void DeviceHandler::serviceStateChanged(QLowEnergyService::ServiceState s) void DeviceHandler::updateHeartRateValue(const QLowEnergyCharacteristic &c, const QByteArray &value) { // ignore any other characteristic change -> shouldn't really happen though - if (c.uuid() != QBluetoothUuid(QBluetoothUuid::HeartRateMeasurement)) + if (c.uuid() != QBluetoothUuid(QBluetoothUuid::CharacteristicType::HeartRateMeasurement)) return; auto data = reinterpret_cast<const quint8 *>(value.constData()); @@ -251,21 +212,18 @@ void DeviceHandler::updateHeartRateValue(const QLowEnergyCharacteristic &c, cons } //! [Reading value] -#ifdef SIMULATOR void DeviceHandler::updateDemoHR() { int randomValue = 0; - if (m_currentValue < 30) { // Initial value + if (m_currentValue < 30) // Initial value randomValue = 55 + QRandomGenerator::global()->bounded(30); - } else if (!m_measuring) { // Value when relax + else if (!m_measuring) // Value when relax randomValue = qBound(55, m_currentValue - 2 + QRandomGenerator::global()->bounded(5), 75); - } else { // Measuring + else // Measuring randomValue = m_currentValue + QRandomGenerator::global()->bounded(10) - 2; - } addMeasurement(randomValue); } -#endif void DeviceHandler::confirmedDescriptorWrite(const QLowEnergyDescriptor &d, const QByteArray &value) { @@ -301,12 +259,11 @@ bool DeviceHandler::measuring() const bool DeviceHandler::alive() const { -#ifdef SIMULATOR - return true; -#endif + if (simulator) + return true; if (m_service) - return m_service->state() == QLowEnergyService::ServiceDiscovered; + return m_service->state() == QLowEnergyService::RemoteServiceDiscovered; return false; } @@ -355,7 +312,8 @@ void DeviceHandler::addMeasurement(int value) m_max = qMax(value, m_max); m_sum += value; m_avg = (double)m_sum / m_measurements.size(); - m_calories = ((-55.0969 + (0.6309 * m_avg) + (0.1988 * 94) + (0.2017 * 24)) / 4.184) * 60 * time()/3600; + m_calories = ((-55.0969 + (0.6309 * m_avg) + (0.1988 * 94) + (0.2017 * 24)) / 4.184) + * 60 * time() / 3600; } emit statsChanged(); |