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@ -11,7 +11,7 @@ modBusMaster::modBusMaster(QObject *parent) : QObject(parent) |
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void modBusMaster::init() |
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{ |
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stop(); |
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close(); |
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modbusDevice = nullptr; |
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modbusDevice = new QModbusRtuSerialMaster(this); |
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connect(modbusDevice, &QModbusClient::errorOccurred, [this](QModbusDevice::Error) |
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@ -23,14 +23,133 @@ void modBusMaster::init() |
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throw serialPortException("Could not create Modbus master."); |
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} |
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void modBusMaster::close() |
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void modBusMaster::open(QString _serialPort , int _serverId) |
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{ |
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serialPort=_serialPort; |
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serverId=_serverId; |
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if (!modbusDevice) |
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return; |
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if (modbusDevice->state() != QModbusDevice::ConnectedState) |
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{ |
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modbusDevice->setConnectionParameter(QModbusDevice::SerialPortNameParameter, |
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serialPort); |
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#if QT_CONFIG(modbus_serialport) |
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modbusDevice->setConnectionParameter(QModbusDevice::SerialParityParameter, |
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modbusSettings.parity); |
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modbusDevice->setConnectionParameter(QModbusDevice::SerialBaudRateParameter, |
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modbusSettings.baud); |
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modbusDevice->setConnectionParameter(QModbusDevice::SerialDataBitsParameter, |
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modbusSettings.dataBits); |
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modbusDevice->setConnectionParameter(QModbusDevice::SerialStopBitsParameter, |
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modbusSettings.stopBits); |
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#endif |
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modbusDevice->setTimeout(modbusSettings.responseTime); |
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modbusDevice->setNumberOfRetries(modbusSettings.numberOfRetries); |
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} |
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if (!modbusDevice->connectDevice()) |
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{ |
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throw serialPortException(modbusDevice->errorString()); |
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} |
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} |
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void modBusMaster::stop() |
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void modBusMaster::close() |
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{ |
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if (modbusDevice) |
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modbusDevice->disconnectDevice(); |
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delete modbusDevice; |
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} |
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void modBusMaster::stop() |
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{ |
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} |
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void modBusMaster::getCoil(int startAddress, quint16 readSize) |
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{ |
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if (!modbusDevice) |
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return; |
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readRequest(QModbusDataUnit::RegisterType::Coils, startAddress, readSize); |
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} |
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void modBusMaster::getInputCoil(int startAddress, quint16 readSize) |
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{ |
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if (!modbusDevice) |
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return; |
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readRequest(QModbusDataUnit::RegisterType::DiscreteInputs, startAddress, readSize); |
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} |
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void modBusMaster::getInputRegister(int startAddress, quint16 readSize) |
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{ |
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if (!modbusDevice) |
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return; |
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readRequest(QModbusDataUnit::RegisterType::InputRegisters, startAddress, readSize); |
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} |
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void modBusMaster::getHoldingRegister(int startAddress, quint16 readSize) |
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{ |
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if (!modbusDevice) |
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return; |
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readRequest(QModbusDataUnit::RegisterType::HoldingRegisters, startAddress, readSize); |
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} |
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void modBusMaster::readRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize) |
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{ |
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auto table =registerType; |
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Q_ASSERT(startAddress >= 0 && startAddress < 10); |
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reply=modbusDevice->sendReadRequest(QModbusDataUnit(table, startAddress, readSize), serverId) ; |
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if (reply) |
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{ |
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if (!reply->isFinished()) |
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connect(reply, &QModbusReply::finished, this, &modBusMaster::readReady); |
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else |
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delete reply; // broadcast replies return immediately
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} |
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else |
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{ |
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throw serialPortException(modbusDevice->errorString()); |
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} |
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} |
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void modBusMaster::writeRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize) |
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{ |
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auto table =registerType; |
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Q_ASSERT(startAddress >= 0 && startAddress < 10); |
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QModbusDataUnit writeUnit = QModbusDataUnit(table, startAddress, readSize); |
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for (int i = 0; i < writeUnit.valueCount(); i++) { |
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if (table == QModbusDataUnit::Coils) |
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writeUnit.setValue(i, m_coils[i + writeUnit.startAddress()]); |
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else |
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writeUnit.setValue(i, m_holdingRegisters[i + writeUnit.startAddress()]); |
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} |
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if (auto *reply = modbusDevice->sendWriteRequest(writeUnit, serverId)) { |
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if (!reply->isFinished()) { |
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connect(reply, &QModbusReply::finished, this, [this, reply]() { |
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if (reply->error() == QModbusDevice::ProtocolError) { |
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throw serialPortException("Write response error: %1 (Mobus exception: 0x%2)"); |
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} else if (reply->error() != QModbusDevice::NoError) { |
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throw serialPortException("Write response error: %1 (code: 0x%2)"); |
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} |
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reply->deleteLater(); |
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}); |
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} else { |
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// broadcast replies return immediately
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reply->deleteLater(); |
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} |
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} else { |
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throw serialPortException(tr("Write error: ") + modbusDevice->errorString()); |
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} |
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} |
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void modBusMaster::readReady() |
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{ |
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} |
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nasi
4 years ago