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powersync-plugins-modbus
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Add modbus tcp block update implementation

master
Simon Stürz 2022-01-13 12:20:05 +01:00 committed by Michael Zanetti
parent 4507f3afb5
commit e95d3f089d
1 changed files with 73 additions and 0 deletions
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73
modbus/tools/generate-connection.py
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@ -602,7 +602,77 @@ def writeBlockUpdateMethodImplementationsRtu(fileDescriptor, className, blockDef
writeLine(fileDescriptor)
def writeBlockUpdateMethodImplementationsTcp(fileDescriptor, className, blockDefinitions):
for blockDefinition in blockDefinitions:
blockName = blockDefinition['id']
blockRegisters = blockDefinition['registers']
blockStartAddress = 0
registerCount = 0
blockSize = 0
registerType = ""
for i, blockRegister in enumerate(blockRegisters):
if i == 0:
blockStartAddress = blockRegister['address']
registerType = blockRegister['registerType']
registerCount += 1
blockSize += blockRegister['size']
writeLine(fileDescriptor, 'void %s::update%sBlock()' % (className, blockName[0].upper() + blockName[1:]))
writeLine(fileDescriptor, '{')
writeLine(fileDescriptor, ' // Update register block \"%s\"' % blockName)
writeLine(fileDescriptor, ' qCDebug(dc%s()) << "--> Read block \\"%s\\" registers from:" << %s << "size:" << %s;' % (className, blockName, blockStartAddress, blockSize))
# Build request depending on the register type
# Build request depending on the register type
if registerType == 'inputRegister':
writeLine(fileDescriptor, ' QModbusDataUnit request = QModbusDataUnit(QModbusDataUnit::RegisterType::InputRegisters, %s, %s);' % (blockStartAddress, blockSize))
elif registerType == 'discreteInputs':
writeLine(fileDescriptor, ' QModbusDataUnit request = QModbusDataUnit(QModbusDataUnit::RegisterType::DiscreteInputs, %s, %s);' % (blockStartAddress, blockSize))
elif registerType == 'coils':
writeLine(fileDescriptor, ' QModbusDataUnit request = QModbusDataUnit(QModbusDataUnit::RegisterType::Coils, %s, %s);' % (blockStartAddress, blockSize))
else:
#Default to holdingRegister
writeLine(fileDescriptor, ' QModbusDataUnit request = QModbusDataUnit(QModbusDataUnit::RegisterType::HoldingRegisters, %s, %s);' % (blockStartAddress, blockSize))
writeLine(fileDescriptor, ' QModbusReply *reply = sendReadRequest(request, m_slaveId);')
writeLine(fileDescriptor, ' if (reply) {')
writeLine(fileDescriptor, ' if (!reply->isFinished()) {')
writeLine(fileDescriptor, ' connect(reply, &QModbusReply::finished, this, [this, reply](){')
writeLine(fileDescriptor, ' if (reply->error() == QModbusReply::NoError) {')
writeLine(fileDescriptor, ' QVector<quint16> blockValues = reply->result();')
writeLine(fileDescriptor, ' QVector<quint16> values;')
writeLine(fileDescriptor, ' qCDebug(dc%s()) << "<-- Response from reading block \\"%s\\" register" << %s << "size:" << %s << blockValues;' % (className, blockName, blockStartAddress, blockSize))
# Start parsing the registers using offsets
offset = 0
for i, blockRegister in enumerate(blockRegisters):
propertyName = blockRegister['id']
propertyTyp = getCppDataType(blockRegister)
writeLine(fileDescriptor, ' values = blockValues.mid(%s, %s);' % (offset, blockRegister['size']))
writeLine(fileDescriptor, ' %s received%s = %s;' % (propertyTyp, propertyName[0].upper() + propertyName[1:], getValueConversionMethod(blockRegister)))
writeLine(fileDescriptor, ' if (m_%s != received%s) {' % (propertyName, propertyName[0].upper() + propertyName[1:]))
writeLine(fileDescriptor, ' m_%s = received%s;' % (propertyName, propertyName[0].upper() + propertyName[1:]))
writeLine(fileDescriptor, ' emit %sChanged(m_%s);' % (propertyName, propertyName))
writeLine(fileDescriptor, ' }')
writeLine(fileDescriptor)
offset += blockRegister['size']
writeLine(fileDescriptor, ' }')
writeLine(fileDescriptor, ' });')
writeLine(fileDescriptor)
writeLine(fileDescriptor, ' connect(reply, &QModbusReply::errorOccurred, this, [reply] (QModbusReply::Error error){')
writeLine(fileDescriptor, ' qCWarning(dc%s()) << "Modbus reply error occurred while updating block \\"%s\\" registers" << error << reply->errorString();' % (className, blockName))
writeLine(fileDescriptor, ' emit reply->finished();')
writeLine(fileDescriptor, ' });')
writeLine(fileDescriptor, ' }')
writeLine(fileDescriptor, ' } else {')
writeLine(fileDescriptor, ' qCWarning(dc%s()) << "Error occurred while reading block \\"%s\\" registers";' % (className, blockName))
writeLine(fileDescriptor, ' }')
writeLine(fileDescriptor, '}')
writeLine(fileDescriptor)
def writeInternalPropertyReadMethodDeclarationsTcp(fileDescriptor, registerDefinitions):
for registerDefinition in registerDefinitions:
@ -885,6 +955,9 @@ def writeTcpSourceFile():
# Write update methods
writePropertyUpdateMethodImplementationsTcp(sourceFile, className, registerJson['registers'])
# Write block update method
writeBlockUpdateMethodImplementationsTcp(sourceFile, className, registerJson['blocks'])
# Write property read method implementations
writeInternalPropertyReadMethodImplementationsTcp(sourceFile, className, registerJson['registers'])