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powersync-core/libnymea-core/modbus/modbusrtumanager.cpp

260 lines
11 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2021, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU Lesser General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; version 3. This project 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this project. If not, see <https://www.gnu.org/licenses/>.
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* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
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#include "modbusrtumanager.h"
#include "nymeasettings.h"
#include "loggingcategories.h"
#include "modbusrtumasterimpl.h"
#include "hardware/serialport/serialportmonitor.h"
NYMEA_LOGGING_CATEGORY(dcModbusRtu, "ModbusRtu")
namespace nymeaserver {
ModbusRtuManager::ModbusRtuManager(SerialPortMonitor *serialPortMonitor, QObject *parent) :
QObject(parent),
m_serialPortMonitor(serialPortMonitor)
{
// Load uart configurations
loadRtuMasters();
connect(m_serialPortMonitor, &SerialPortMonitor::serialPortAdded, this, [=](const QSerialPortInfo &serialPortInfo){
qCDebug(dcModbusRtu()) << "Serial port added. Verify modbus RTU masters...";
// Check if we have to reconnect any modbus RTU masters
foreach (ModbusRtuMaster *modbusMaster, m_modbusRtuMasters.values()) {
ModbusRtuMasterImpl *modbusMasterImpl = qobject_cast<ModbusRtuMasterImpl *>(modbusMaster);
// Try only to reconnect if the added serial port matches a disconnected modbus RTU master
if (!modbusMasterImpl->connected() && modbusMasterImpl->serialPort() == serialPortInfo.systemLocation()) {
if (!modbusMasterImpl->connectDevice()) {
qCDebug(dcModbusRtu()) << "Reconnect" << modbusMaster << "failed.";
} else {
qCDebug(dcModbusRtu()) << "Reconnected" << modbusMaster << "successfully.";
}
}
}
});
}
SerialPortMonitor *ModbusRtuManager::serialPortMonitor() const
{
return m_serialPortMonitor;
}
bool ModbusRtuManager::supported() const
{
#ifdef WITH_QTSERIALBUS
return true;
#else
return false;
#endif
}
QList<ModbusRtuMaster *> ModbusRtuManager::modbusRtuMasters() const
{
return m_modbusRtuMasters.values();
}
bool ModbusRtuManager::hasModbusRtuMaster(const QUuid &modbusUuid) const
{
return m_modbusRtuMasters.value(modbusUuid) != nullptr;
}
ModbusRtuMaster *ModbusRtuManager::getModbusRtuMaster(const QUuid &modbusUuid)
{
if (hasModbusRtuMaster(modbusUuid)) {
return m_modbusRtuMasters.value(modbusUuid);
}
return nullptr;
}
QPair<ModbusRtuManager::ModbusRtuError, QUuid> ModbusRtuManager::addNewModbusRtuMaster(const QString &serialPort, qint32 baudrate, QSerialPort::Parity parity, QSerialPort::DataBits dataBits, QSerialPort::StopBits stopBits)
{
if (!supported()) {
qCWarning(dcModbusRtu()) << "Cannot add new modbus RTU master because serialbus is not suppoerted on this platform.";
return QPair<ModbusRtuManager::ModbusRtuError, QUuid>(ModbusRtuErrorNotSupported, QUuid());
}
// Check if the serial port exists
if (!m_serialPortMonitor->serialPortAvailable(serialPort)) {
qCWarning(dcModbusRtu()) << "Cannot add new modbus RTU master because the serial port" << serialPort << "is not available any more";
return QPair<ModbusRtuManager::ModbusRtuError, QUuid>(ModbusRtuErrorHardwareNotFound, QUuid());
}
QUuid modbusUuid = QUuid::createUuid();
ModbusRtuMasterImpl *modbusMaster = new ModbusRtuMasterImpl(modbusUuid, serialPort, baudrate, parity, dataBits, stopBits, this);
ModbusRtuMaster *modbus = qobject_cast<ModbusRtuMaster *>(modbusMaster);
qCDebug(dcModbusRtu()) << "Adding new" << modbus << parity << dataBits << stopBits;
// Note: We could add the modbus master event if a connection is currently not possible...not sure yet
if (!modbusMaster->connectDevice()) {
qCWarning(dcModbusRtu()) << "Failed to add new modbus RTU master. Could not connect to" << modbus << parity << dataBits << stopBits;
modbusMaster->deleteLater();
return QPair<ModbusRtuError, QUuid>(ModbusRtuErrorConnectionFailed, QUuid());
}
addModbusRtuMasterInternally(modbusMaster);
saveModbusRtuMaster(modbus);
return QPair<ModbusRtuError, QUuid>(ModbusRtuErrorNoError, modbusUuid);
}
ModbusRtuManager::ModbusRtuError ModbusRtuManager::reconfigureModbusRtuMaster(const QUuid &modbusUuid, const QString &serialPort, qint32 baudrate, QSerialPort::Parity parity, QSerialPort::DataBits dataBits, QSerialPort::StopBits stopBits)
{
if (!supported()) {
qCWarning(dcModbusRtu()) << "Cannot reconfigure modbus RTU master because serialbus is not suppoerted on this platform.";
return ModbusRtuErrorNotSupported;
}
if (!m_modbusRtuMasters.contains(modbusUuid)) {
qCWarning(dcModbusRtu()) << "Could not reconfigure modbus RTU master because no resource could be found with uuid" << modbusUuid.toString();
return ModbusRtuErrorUuidNotFound;
}
ModbusRtuMasterImpl *modbusMaster = qobject_cast<ModbusRtuMasterImpl *>(m_modbusRtuMasters.value(modbusUuid));
// Disconnect
modbusMaster->disconnectDevice();
// Reconfigure
modbusMaster->setSerialPort(serialPort);
modbusMaster->setBaudrate(baudrate);
modbusMaster->setParity(parity);
modbusMaster->setDataBits(dataBits);
modbusMaster->setStopBits(stopBits);
// Connect again
if (!modbusMaster->connectDevice()) {
qCWarning(dcModbusRtu()) << "Failed to connect to" << m_modbusRtuMasters.value(modbusUuid);
// FIXME: check if we should reload the old configuration
emit modbusRtuMasterChanged(m_modbusRtuMasters.value(modbusUuid));
return ModbusRtuErrorConnectionFailed;
}
emit modbusRtuMasterChanged(m_modbusRtuMasters.value(modbusUuid));
qCDebug(dcModbusRtu()) << "Reconfigured successfully" << m_modbusRtuMasters.value(modbusUuid);
saveModbusRtuMaster(modbusMaster);
return ModbusRtuErrorNoError;
}
ModbusRtuManager::ModbusRtuError ModbusRtuManager::removeModbusRtuMaster(const QUuid &modbusUuid)
{
if (!supported()) {
qCWarning(dcModbusRtu()) << "Cannot remove modbus RTU master because serialbus is not suppoerted on this platform.";
return ModbusRtuErrorNotSupported;
}
if (!m_modbusRtuMasters.contains(modbusUuid)) {
qCWarning(dcModbusRtu()) << "Could not remove modbus RTU master because no resource could be found with uuid" << modbusUuid.toString();
return ModbusRtuErrorUuidNotFound;
}
ModbusRtuMasterImpl *modbusMaster = qobject_cast<ModbusRtuMasterImpl *>(m_modbusRtuMasters.take(modbusUuid));
qCDebug(dcModbusRtu()) << "Removing modbus RTU master" << qobject_cast<ModbusRtuMaster *>(modbusMaster);
modbusMaster->disconnectDevice();
modbusMaster->deleteLater();
// Remove from settings
NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
settings.beginGroup("ModbusRtuMasters");
settings.beginGroup(modbusUuid.toString());
settings.remove("");
settings.endGroup(); // modbusUuid
settings.endGroup(); // ModbusRtuMasters
emit modbusRtuMasterRemoved(modbusMaster);
return ModbusRtuErrorNoError;
}
void ModbusRtuManager::loadRtuMasters()
{
if (!supported())
return;
NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
qCDebug(dcModbusRtu()) << "Loading modbus RTU resources from" << settings.fileName();
settings.beginGroup("ModbusRtuMasters");
foreach (const QString &uuidString, settings.childGroups()) {
settings.beginGroup(uuidString);
QString serialPort = settings.value("serialPort").toString();
quint32 baudrate = settings.value("baudrate").toUInt();
QSerialPort::Parity parity = static_cast<QSerialPort::Parity>(settings.value("parity").toInt());
QSerialPort::DataBits dataBits = static_cast<QSerialPort::DataBits>(settings.value("dataBits").toInt());
QSerialPort::StopBits stopBits = static_cast<QSerialPort::StopBits>(settings.value("stopBits").toInt());
settings.endGroup(); // uuid
addModbusRtuMasterInternally(new ModbusRtuMasterImpl(QUuid(uuidString), serialPort, baudrate, parity, dataBits, stopBits, this));
}
settings.endGroup(); // ModbusRtuMasters
}
void ModbusRtuManager::saveModbusRtuMaster(ModbusRtuMaster *modbusRtuMaster)
{
NymeaSettings settings(NymeaSettings::SettingsRoleModbusRtu);
qCDebug(dcModbusRtu()) << "Saving" << modbusRtuMaster << "to" << settings.fileName();
settings.beginGroup("ModbusRtuMasters");
settings.beginGroup(modbusRtuMaster->modbusUuid().toString());
settings.setValue("serialPort", modbusRtuMaster->serialPort());
settings.setValue("baudrate", modbusRtuMaster->baudrate());
settings.setValue("parity", static_cast<int>(modbusRtuMaster->parity()));
settings.setValue("dataBits", static_cast<int>(modbusRtuMaster->dataBits()));
settings.setValue("stopBits", static_cast<int>(modbusRtuMaster->stopBits()));
settings.endGroup(); // uuid
settings.endGroup(); // ModbusRtuMasters
}
void ModbusRtuManager::addModbusRtuMasterInternally(ModbusRtuMasterImpl *modbusRtuMaster)
{
ModbusRtuMaster *modbusMaster = qobject_cast<ModbusRtuMaster *>(modbusRtuMaster);
qCDebug(dcModbusRtu()) << "Adding" << modbusMaster;
m_modbusRtuMasters.insert(modbusMaster->modbusUuid(), modbusMaster);
connect(modbusMaster, &ModbusRtuMaster::connectedChanged, this, [=](bool connected){
qCDebug(dcModbusRtu()) << modbusMaster << (connected ? "connected" : "disconnected");
emit modbusRtuMasterChanged(modbusMaster);
});
emit modbusRtuMasterAdded(modbusMaster);
// Try to connect the modbus rtu master after adding the bus
if (!modbusRtuMaster->connectDevice()) {
qCWarning(dcModbusRtu()) << "Failed to connect modbus RTU master. Could not connect to" << modbusMaster;
}
}
}