Qt5.15.2实现低功耗蓝牙调试助手源码

#include "service.h" Service::Service(QObject *parent) : QObject(parent) { m_service = NULL; } void Service::ConnectService(QLowEnergyService * service) { m_service = service; if(m_service) { if(m_service->state() == QLowEnergyService::ServiceDiscovered) { onStateChanged(QLowEnergyService::ServiceDiscovered); } else { connect(m_service, SIGNAL(stateChanged(QLowEnergyService::ServiceState)), this, SLOT(onStateChanged(QLowEnergyService::ServiceState))); connect(m_service, SIGNAL(characteristicChanged(QLowEnergyCharacteristic, QByteArray)), this, SLOT(onCharacteristicChanged(QLowEnergyCharacteristic, QByteArray))); connect(m_service, SIGNAL(characteristicRead(QLowEnergyCharacteristic, QByteArray)), this, SLOT(onCharacteristicRead(QLowEnergyCharacteristic, QByteArray))); connect(m_service, SIGNAL(characteristicWritten(QLowEnergyCharacteristic, QByteArray)), this, SLOT(onCharacteristicWritten(QLowEnergyCharacteristic, QByteArray))); connect(m_service, SIGNAL(descriptorRead(QLowEnergyCharacteristic, QByteArray)), this, SLOT(onDescriptorRead(QLowEnergyCharacteristic, QByteArray))); connect(m_service, SIGNAL(descriptorWritten(QLowEnergyCharacteristic, QByteArray)), this, SLOT(onDescriptorWritten(QLowEnergyCharacteristic, QByteArray))); connect(m_service, SIGNAL(error(QLowEnergyService::ServiceError)), this, SLOT(onError(QLowEnergyService::ServiceError))); m_service->discoverDetails(); } } } void Service::SendMessage(QString msg) { emit message(msg); } void Service::OpenNotify(QLowEnergyCharacteristic ch, bool flag) { if(m_service) { if(ch.isValid()) { if(ch.properties() & QLowEnergyCharacteristic::Notify) { QLowEnergyDescriptor d = ch.descriptor(QBluetoothUuid::ClientCharacteristicConfiguration); if(d.isValid()) { if(true == flag) { m_service->writeDescriptor(d, QByteArray::fromHex("0100")); } else { m_service->writeDescriptor(d, QByteArray::fromHex("0000")); } } } } } } void Service::ReadCharacteristic(QLowEnergyCharacteristic ch) { if(m_service) { if(ch.isValid()) { if(ch.properties() & QLowEnergyCharacteristic::Read) { m_service->readCharacteristic(ch); } } } } void Service::WriteCharacteristic(QLowEnergyCharacteristic ch, QByteArray arr) { if(m_service) { if(ch.isValid()) { if(ch.properties() & QLowEnergyCharacteristic::Write) { m_service->writeCharacteristic(ch, arr, QLowEnergyService::WriteWithResponse); } else if(ch.properties() & QLowEnergyCharacteristic::WriteNoResponse) { m_service->writeCharacteristic(ch, arr, QLowEnergyService::WriteWithoutResponse); } else if(ch.properties() & QLowEnergyCharacteristic::WriteSigned) { m_service->writeCharacteristic(ch, arr, QLowEnergyService::WriteSigned); } } } } void Service::onStateChanged(QLowEnergyService::ServiceState newState) { if(m_service) { switch(newState) { case QLowEnergyService::DiscoveringServices: { SendMessage("Discovering services..."); } break; case QLowEnergyService::DiscoveryRequired: { SendMessage("require discover services..."); } break; case QLowEnergyService::ServiceDiscovered: { SendMessage("Discovered services"); QList<QLowEnergyCharacteristic> characteristics = m_service->characteristics(); foreach(QLowEnergyCharacteristic ch, characteristics) { emit discoveryCharacteristic(ch); } } break; default: break; } } } void Service::onCharacteristicChanged(const QLowEnergyCharacteristic &info, const QByteArray &value) { QString ch = info.uuid().toString() + " - Characteristic Changed:" + QString(value); SendMessage(ch); } void Service::onCharacteristicRead(const QLowEnergyCharacteristic &info, const QByteArray &value) { QString ch = info.uuid().toString() + " - Characteristic read:" + QString(value); SendMessage(ch); } void Service::onCharacteristicWritten(const QLowEnergyCharacteristic &info, const QByteArray &value) { QString ch = info.uuid().toString() + " - Characteristic written:" + QString(value); SendMessage(ch); } void Service::onDescriptorRead(const QLowEnergyDescriptor &info, const QByteArray &value) { QString ch = info.uuid().toString() + " - descriptor read:" + QString(value); SendMessage(ch); } void Service::onDescriptorWritten(const QLowEnergyDescriptor &info, const QByteArray &value) { QString ch = info.uuid().toString() + " - descriptor written:" + QString(value); SendMessage(ch); } void Service::onError(QLowEnergyService::ServiceError error) { const QString ServiceError[] { "NoError", "OperationError", "CharacteristicWriteError", "DescriptorWriteError", "UnknownError", "CharacteristicReadError", "DescriptorReadError" }; if(error < ServiceError->size()) { QString str; str = QString("service Error(%1):").arg(error); str += ServiceError[error]; SendMessage(str); } }