nymea-plugins-modbus/amperfied/energycontroldiscovery.cpp

96 lines
3.8 KiB
C++

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* GNU Lesser General Public License Usage
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#include "energycontroldiscovery.h"
#include "extern-plugininfo.h"
EnergyControlDiscovery::EnergyControlDiscovery(ModbusRtuHardwareResource *modbusRtuResource, QObject *parent) :
QObject{parent},
m_modbusRtuResource{modbusRtuResource}
{
}
void EnergyControlDiscovery::startDiscovery()
{
qCInfo(dcAmperfied()) << "Discovery: Searching for Amperfied EnergyControl wallboxes on modbus RTU...";
QList<ModbusRtuMaster*> candidateMasters;
foreach (ModbusRtuMaster *master, m_modbusRtuResource->modbusRtuMasters()) {
if (master->baudrate() == 19200 && master->dataBits() == 8 && master->stopBits() == 1 && master->parity() == QSerialPort::EvenParity) {
candidateMasters.append(master);
}
}
if (candidateMasters.isEmpty()) {
qCWarning(dcAmperfied()) << "No usable modbus RTU master found.";
emit discoveryFinished(false);
return;
}
foreach (ModbusRtuMaster *master, candidateMasters) {
if (master->connected()) {
tryConnect(master, 1);
} else {
qCWarning(dcAmperfied()) << "Modbus RTU master" << master->modbusUuid().toString() << "is not connected.";
}
}
}
QList<EnergyControlDiscovery::Result> EnergyControlDiscovery::discoveryResults() const
{
return m_discoveryResults;
}
void EnergyControlDiscovery::tryConnect(ModbusRtuMaster *master, quint16 slaveId)
{
qCDebug(dcAmperfied()) << "Scanning modbus RTU master" << master->modbusUuid() << "Slave ID:" << slaveId;
ModbusRtuReply *reply = master->readInputRegister(slaveId, 4);
connect(reply, &ModbusRtuReply::finished, this, [=](){
qCDebug(dcAmperfied()) << "Test reply finished!" << reply->error() << reply->result();
if (reply->error() == ModbusRtuReply::NoError && reply->result().length() > 0) {
quint16 version = reply->result().first();
if (version >= 0x0100) {
qCDebug(dcAmperfied()) << QString("Version is 0x%1").arg(version, 0, 16);
Result result {master->modbusUuid(), version, slaveId};
m_discoveryResults.append(result);
} else {
qCDebug(dcAmperfied()) << "Version must be at least 1.0.0 (0x0100)";
}
}
if (slaveId < 20) {
tryConnect(master, slaveId+1);
} else {
emit discoveryFinished(true);
}
});
}