142 lines
4.9 KiB
C++
142 lines
4.9 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2020, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this project. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "webasto.h"
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#include "extern-plugininfo.h"
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Webasto::Webasto(const QHostAddress &address, uint port, QObject *parent) :
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QObject(parent)
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{
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qCDebug(dcWebasto()) << "Webasto: Webasto connection created" << address.toString() << port;
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m_modbusConnection = new ModbusTCPMaster(address, port, this);
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m_modbusConnection->setNumberOfRetries(3);
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m_modbusConnection->setTimeout(1000);
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connect(m_modbusConnection, &ModbusTCPMaster::receivedHoldingRegister, this, &Webasto::onReceivedHoldingRegister);
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connect(m_modbusConnection, &ModbusTCPMaster::writeRequestExecuted, this, &Webasto::writeRequestExecuted);
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connect(m_modbusConnection, &ModbusTCPMaster::writeRequestError, this, &Webasto::writeRequestError);
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m_lifeBitTimer = new QTimer(this);
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m_lifeBitTimer->start(10000);
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connect(m_lifeBitTimer, &QTimer::timeout, this, [this] {
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setLiveBit();
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});
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}
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void Webasto::setAddress(const QHostAddress &address)
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{
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qCDebug(dcWebasto()) << "Webasto: set address" << address;
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m_modbusConnection->setHostAddress(address);
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}
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QHostAddress Webasto::address() const
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{
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return m_modbusConnection->hostAddress();
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}
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bool Webasto::connected()
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{
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return m_modbusConnection->connected();
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}
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bool Webasto::connectDevice()
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{
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return m_modbusConnection->connectDevice();
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}
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void Webasto::setLivebitInterval(uint seconds)
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{
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qCDebug(dcWebasto()) << "Webasto: Live bit interval set to" << seconds << "[s]";
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m_lifeBitTimer->setInterval(seconds*1000);
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}
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void Webasto::getRegister(Webasto::TqModbusRegister modbusRegister, uint length)
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{
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qCDebug(dcWebasto()) << "Webasto: Get register" << modbusRegister << length;
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if (length < 1 && length > 10) {
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qCWarning(dcWebasto()) << "Invalide register length, allowed values [1,10]";
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return;
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}
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m_modbusConnection->readHoldingRegister(m_unitId, modbusRegister, length);
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}
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QUuid Webasto::setSafeCurrent(quint16 ampere) const
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{
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return m_modbusConnection->writeHoldingRegister(m_unitId, TqSafeCurrent, ampere);
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}
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QUuid Webasto::seComTimeout(quint16 seconds) const
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{
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return m_modbusConnection->writeHoldingRegister(m_unitId, TqComTimeout, seconds);
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}
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QUuid Webasto::setChargePower(quint32 watt) const
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{
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QVector<quint16> data;
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data.append(watt>>16);
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data.append(watt&0xff);
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return m_modbusConnection->writeHoldingRegisters(m_unitId, TqChargePower, data);
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}
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QUuid Webasto::setChargeCurrent(quint16 ampere) const
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{
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return m_modbusConnection->writeHoldingRegister(m_unitId, TqChargeCurrent, ampere);
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}
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void Webasto::setLiveBit()
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{
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qCDebug(dcWebasto()) << "Webasto: Set live bit";
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m_modbusConnection->writeHoldingRegister(m_unitId, TqLifeBit, 0x0001);
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if (m_awaitingLiveBitResponse) {
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// Live bit response has not been received, setting connection as disconnected
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// The live bit acts as heartbeat for both sides, client and server
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if (m_connected) {
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m_connected = false;
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emit connectionStateChanged(false);
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}
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} else {
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m_awaitingLiveBitResponse = true;
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}
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}
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void Webasto::onReceivedHoldingRegister(uint slaveAddress, uint modbusRegister, const QVector<quint16> &values)
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{
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Q_UNUSED(slaveAddress)
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if (modbusRegister == TqLifeBit) {
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m_awaitingLiveBitResponse = false;
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if (!m_connected) {
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m_connected = true;
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emit connectionStateChanged(true);
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}
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}
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emit receivedRegister(TqModbusRegister(modbusRegister), values);
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}
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