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powersync-core/libguh/bluetooth/bluetoothlowenergydevice.cpp
2019-04-01 20:48:17 +02:00

156 lines
6.0 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* This file is part of guh. *
* *
* Guh is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, version 2 of the License. *
* *
* Guh is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with guh. If not, see <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "bluetoothlowenergydevice.h"
BluetoothLowEnergyDevice::BluetoothLowEnergyDevice(const QBluetoothDeviceInfo &deviceInfo, const QLowEnergyController::RemoteAddressType &addressType, QObject *parent) :
QObject(parent), m_deviceInfo(deviceInfo)
{
m_controller = new QLowEnergyController(address(), this);
m_controller->setRemoteAddressType(addressType);
connect(m_controller, &QLowEnergyController::connected, this, &BluetoothLowEnergyDevice::connected);
connect(m_controller, &QLowEnergyController::disconnected, this, &BluetoothLowEnergyDevice::disconnected);
connect(m_controller, &QLowEnergyController::serviceDiscovered, this, &BluetoothLowEnergyDevice::serviceDiscovered);
connect(m_controller, &QLowEnergyController::discoveryFinished, this, &BluetoothLowEnergyDevice::serviceScanFinished);
connect(m_controller, SIGNAL(error(QLowEnergyController::Error)), this, SLOT(deviceError(QLowEnergyController::Error)));
}
QString BluetoothLowEnergyDevice::name() const
{
return m_deviceInfo.name();
}
QBluetoothAddress BluetoothLowEnergyDevice::address() const
{
return m_deviceInfo.address();
}
QList<QLowEnergyService *> BluetoothLowEnergyDevice::services() const
{
return m_services;
}
QList<QLowEnergyCharacteristic> BluetoothLowEnergyDevice::characteristics() const
{
return m_characteristics;
}
void BluetoothLowEnergyDevice::connectDevice()
{
m_controller->connectToDevice();
}
void BluetoothLowEnergyDevice::disconnectDevice()
{
m_controller->disconnectFromDevice();
}
bool BluetoothLowEnergyDevice::isConnected() const
{
return m_connected;
}
bool BluetoothLowEnergyDevice::isDiscovered() const
{
return m_discovered;
}
void BluetoothLowEnergyDevice::discoverService(const QBluetoothUuid &serviceUuid)
{
Q_UNUSED(serviceUuid);
}
void BluetoothLowEnergyDevice::connected()
{
m_connected = true;
qDebug() << "connected successfully to" << name() << address().toString();
emit connectionStatusChanged(true);
m_controller->discoverServices();
}
void BluetoothLowEnergyDevice::disconnected()
{
m_connected = false;
qWarning() << "disconnected from" << name() << address().toString();
emit connectionStatusChanged(false);
}
void BluetoothLowEnergyDevice::deviceError(const QLowEnergyController::Error &error)
{
qWarning() << "ERROR: Bluetooth device" << name() << address().toString() << ": " << error << m_controller->errorString();
}
void BluetoothLowEnergyDevice::serviceDiscovered(const QBluetoothUuid &serviceUuid)
{
QLowEnergyService *service = m_controller->createServiceObject(serviceUuid);
if (!service) {
qWarning() << "Cannot create service for uuid" << serviceUuid;
return;
}
connect(service, SIGNAL(characteristicChanged(QLowEnergyCharacteristic,QByteArray)), this, SLOT(serviceCharacteristicChanged(QLowEnergyCharacteristic,QByteArray)));
connect(service, SIGNAL(error(QLowEnergyService::ServiceError)), this, SLOT(serviceError(QLowEnergyService::ServiceError)));
connect(service, SIGNAL(stateChanged(QLowEnergyService::ServiceState)), this, SLOT(serviceStateChanged(QLowEnergyService::ServiceState)));
m_services.append(service);
}
void BluetoothLowEnergyDevice::serviceStateChanged(const QLowEnergyService::ServiceState &newState)
{
if (newState != QLowEnergyService::ServiceDiscovered) {
return;
}
QLowEnergyService *service = qobject_cast<QLowEnergyService *>(sender());
foreach (QLowEnergyCharacteristic characteristic, service->characteristics()) {
if (!characteristic.descriptors().isEmpty()) {
foreach (QLowEnergyDescriptor descriptor, characteristic.descriptors()) {
if (descriptor.isValid()) {
m_descriptors.append(descriptor);
}
}
}
m_characteristics.append(characteristic);
}
qDebug() << "details discovered for service " << service->serviceName() << service->serviceUuid().toString();
}
void BluetoothLowEnergyDevice::serviceScanFinished()
{
qDebug() << "service scan finished";
emit serviceScanFinished();
}
void BluetoothLowEnergyDevice::serviceCharacteristicChanged(const QLowEnergyCharacteristic &characteristic, const QByteArray &value)
{
qDebug() << "characteristic" << characteristic.name() << "changed:" << value;
}
void BluetoothLowEnergyDevice::serviceError(const QLowEnergyService::ServiceError &error)
{
QLowEnergyService *service = qobject_cast<QLowEnergyService *>(sender());
qWarning() << "ERROR: Bluetooth service " << service->serviceName() << service->serviceUuid() << ": " << error;
}
void BluetoothLowEnergyDevice::confirmedDescriptorWrite(const QLowEnergyDescriptor &descriptor, const QByteArray &value)
{
qDebug() << "descriptor" << descriptor.name() << "written successfully " << value;
}