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Diffstat (limited to 'tradeshow/iot-sensortag/bluetoothdevice.h')
| -rw-r--r-- | tradeshow/iot-sensortag/bluetoothdevice.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/tradeshow/iot-sensortag/bluetoothdevice.h b/tradeshow/iot-sensortag/bluetoothdevice.h new file mode 100644 index 0000000..58f17c3 --- /dev/null +++ b/tradeshow/iot-sensortag/bluetoothdevice.h @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of Qt for Device Creation. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef BLUETOOTHDEVICE_H +#define BLUETOOTHDEVICE_H + +#include "serviceinfo.h" + +#include <QBluetoothDeviceDiscoveryAgent> +#include <QLowEnergyController> +#include <QObject> +#include <QVariant> +#include <QList> +#include <QTimer> +#include <QElapsedTimer> + +class MotionSensorData +{ +public: + double gyroScope_x; + double gyroScope_y; + double gyroScope_z; + double accelometer_x; + double accelometer_y; + double accelometer_z; + double magnetometer_x; + double magnetometer_y; + double magnetometer_z; + quint64 msSincePreviousData; + MotionSensorData() { + gyroScope_x = 0; + gyroScope_y = 0; + gyroScope_z = 0; + accelometer_x = 0; + accelometer_y = 0; + accelometer_z = 0; + magnetometer_x = 0; + magnetometer_y = 0; + magnetometer_z = 0; + msSincePreviousData = 0; + } +}; + +typedef enum CharacteristicType { + temperatureCharacteristic = 0, + humidityCharacteristic, + barometerCharacteristic, + motionCharacteristic, + lightCharacteristic +} CharacteristicType; + +class QueueData { +public: + CharacteristicType typeToSend; + bool alreadySent; + QueueData(CharacteristicType characteristic) { + typeToSend = characteristic; + alreadySent = false; + } + +private: + QueueData() {} +}; + +class SensorTagDataProvider; + +class BluetoothDevice: public QObject +{ + Q_OBJECT + Q_PROPERTY(QString deviceName READ getName CONSTANT) + Q_PROPERTY(QString deviceAddress READ getAddress CONSTANT) + Q_PROPERTY(DeviceState state READ state NOTIFY stateChanged) + + Q_PROPERTY(QVariant servicesList READ getServices NOTIFY servicesUpdated) + Q_PROPERTY(QVariant characteristicList READ getCharacteristics NOTIFY characteristicsUpdated) + Q_PROPERTY(bool useRandomAddress MEMBER randomAddress NOTIFY randomAddressChanged) + +public: + enum DeviceState {Disconnected = 0, Scanning, Connected, Error}; + Q_ENUM(DeviceState) + + BluetoothDevice(); + BluetoothDevice(const QBluetoothDeviceInfo &d); + ~BluetoothDevice(); + + QString getAddress() const; + QString getName() const; + + QVariant getServices(); + QVariant getCharacteristics(); + DeviceState state() const; + +signals: + void servicesUpdated(); + void characteristicsUpdated(); + void updateChanged(); + void stateChanged(); + void randomAddressChanged(); + void temperatureChanged(double temperature); + void barometerChanged(double temperature, double barometer); + void humidityChanged(double humidity); + void lightIntensityChanged(double intensity); + void motionChanged(MotionSensorData& data); + void statusUpdated(QString statusMsg); + +public slots: + void scanServices(); + void startTimers(); + void connectToService(const QString &uuid); + void disconnectFromDevice(); + void temperatureDetailsDiscovered(QLowEnergyService::ServiceState newstate); + void barometerDetailsDiscovered(QLowEnergyService::ServiceState newstate); + void humidityDetailsDiscovered(QLowEnergyService::ServiceState newstate); + void lightIntensityDetailsDiscovered(QLowEnergyService::ServiceState newstate); + void motionDetailsDiscovered(QLowEnergyService::ServiceState newstate); + +private slots: + // QLowEnergyController realted + void addLowEnergyService(const QBluetoothUuid &uuid); + void deviceConnected(); + void errorReceived(QLowEnergyController::Error); + void serviceScanDone(); + void deviceDisconnected(); + + // QLowEnergyService related + void serviceDetailsDiscovered(QLowEnergyService::ServiceState newState); + + void slowTimerExpired(); + void mediumTimerExpired(); + void rapidTimerExpired(); + void characteristicsRead(const QLowEnergyCharacteristic &info, + const QByteArray &value); + +private: + void setState(DeviceState state); + +private: + bool isNotInQueue(const CharacteristicType characteristic); + void queueReadRequest(CharacteristicType characteristicToRead); + void sendFirstFromQueue(); + void irTemperatureReceived(const QByteArray &value); + void barometerReceived(const QByteArray &value); + void humidityReceived(const QByteArray &value); + void lightIntensityReceived(const QByteArray &value); + void motionReceived(const QByteArray &value); + + QBluetoothDeviceDiscoveryAgent *discoveryAgent; + QList<QObject*> m_services; + QList<QObject*> m_characteristics; + QString m_previousAddress; + QLowEnergyController *controller; + QLowEnergyService* irTemperatureService; + QLowEnergyService* baroService; + QLowEnergyService* humidityService; + QLowEnergyService* lightService; + QLowEnergyService* motionService; + DeviceState m_deviceState; + bool m_temperatureMeasurementStarted; + bool m_barometerMeasurementStarted; + bool m_humidityMeasurementStarted; + bool m_lightIntensityMeasurementStarted; + bool m_motionMeasurementStarted; + bool randomAddress; + QTimer* slowTimer; + QTimer* mediumTimer; + QTimer* rapidTimer; + QElapsedTimer attitudeChangeInterval; + QVector<QueueData*> readRequestQueue; + + QBluetoothDeviceInfo m_deviceInfo; + + SensorTagDataProvider *m_dataProvider; +}; + +#endif // BLUETOOTHBLUETOOTHDEVICE_H |