101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright (C) 2013 - 2024, nymea GmbH
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* Copyright (C) 2024 - 2025, chargebyte austria GmbH
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*
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* This file is part of nymea-plugins-modbus.
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*
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* nymea-plugins-modbus is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nymea-plugins-modbus is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with nymea-plugins-modbus. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "ciondiscovery.h"
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#include "extern-plugininfo.h"
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#include <modbusdatautils.h>
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#include <QRegularExpression>
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CionDiscovery::CionDiscovery(ModbusRtuHardwareResource *modbusRtuResource, QObject *parent)
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: QObject{parent},
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m_modbusRtuResource{modbusRtuResource}
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{
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}
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void CionDiscovery::startDiscovery()
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{
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qCInfo(dcSchrack()) << "Discovery: Searching for Schrack i-CHARGE wallboxes on modbus RTU...";
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QList<ModbusRtuMaster*> candidateMasters;
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foreach (ModbusRtuMaster *master, m_modbusRtuResource->modbusRtuMasters()) {
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if (master->baudrate() == 57600 && master->dataBits() == 8 && master->stopBits() == 1 && master->parity() == QSerialPort::NoParity) {
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candidateMasters.append(master);
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}
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}
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if (candidateMasters.isEmpty()) {
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qCWarning(dcSchrack()) << "No usable modbus RTU master found.";
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emit discoveryFinished(false);
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return;
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}
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foreach (ModbusRtuMaster *master, candidateMasters) {
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if (master->connected()) {
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tryConnect(master, 1);
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} else {
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qCWarning(dcSchrack()) << "Modbus RTU master" << master->modbusUuid().toString() << "is not connected.";
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}
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}
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}
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QList<CionDiscovery::Result> CionDiscovery::discoveryResults() const
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{
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return m_discoveryResults;
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}
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void CionDiscovery::tryConnect(ModbusRtuMaster *master, quint16 slaveId)
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{
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qCDebug(dcSchrack()) << "Scanning modbus RTU master" << master->modbusUuid() << "Slave ID:" << slaveId;
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ModbusRtuReply *reply = master->readHoldingRegister(slaveId, 832, 16);
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connect(reply, &ModbusRtuReply::finished, this, [=](){
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if (reply->error() == ModbusRtuReply::NoError) {
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QString firmwareVersion = ModbusDataUtils::convertToString(reply->result());
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qCDebug(dcSchrack()) << "Test reply finished!" << reply->error() << firmwareVersion;
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// Version numbers seem to be wild west... We can't really understand what's in there...
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// So let's assume this is a schrack if reading alone succeeded and it is a valid string and 18 to 32 chars long...
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// Examples of how this looks like:
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// EBE 1.2: "V1.2 15.02.2021"
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// ICC: "003090056-01 20220913"
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// Regex accepts uppercase letters, digits, dots, spaces and dashes; dash is escaped to avoid invalid range
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if (QRegularExpression(QStringLiteral("[A-Z0-9. \\-]{18,32}")).match(firmwareVersion).hasMatch()) {
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Result result {master->modbusUuid(), firmwareVersion, slaveId};
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m_discoveryResults.append(result);
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}
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}
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if (slaveId < 10) {
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tryConnect(master, slaveId+1);
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} else {
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emit discoveryFinished(true);
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}
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});
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}
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