public ReadWriteMultipleRegistersRequest(
byte slaveAddress,
ushort startReadAddress,
ushort numberOfPointsToRead,
ushort startWriteAddress,
RegisterCollection writeData)
: base(slaveAddress, ModbusFunctionCodes.ReadWriteMultipleRegisters)
{
_readRequest = new ReadHoldingInputRegistersRequest(
ModbusFunctionCodes.ReadHoldingRegisters,
slaveAddress,
startReadAddress,
numberOfPointsToRead);
_writeRequest = new WriteMultipleRegistersRequest(
slaveAddress,
startWriteAddress,
writeData);
// TODO: ugly hack for all ModbusSerialTransport-inheritances (ModbusIpTransport would not need this, as it implements complete different BuildMessageFrame)
// fake ByteCount, Data can hold only even number of bytes
ByteCount = (ProtocolDataUnit[1]);
// fake Data, as this modbusmessage does not fit ModbusMessageImpl
Data = new RegisterCollection(ProtocolDataUnit.Slice(2, ProtocolDataUnit.Length - 2).ToArray());
}
protected override void InitializeUnique(byte[] frame)
{
if (frame.Length < MinimumFrameSize + frame[10])
{
throw new FormatException("Message frame does not contain enough bytes.");
}
byte[] readFrame = new byte[2 + 4];
byte[] writeFrame = new byte[frame.Length - 6 + 2];
readFrame[0] = writeFrame[0] = SlaveAddress;
readFrame[1] = writeFrame[1] = FunctionCode;
Buffer.BlockCopy(frame, 2, readFrame, 2, 4);
Buffer.BlockCopy(frame, 6, writeFrame, 2, frame.Length - 6);
_readRequest = ModbusMessageFactory.CreateModbusMessage <ReadHoldingInputRegistersRequest>(readFrame);
_writeRequest = ModbusMessageFactory.CreateModbusMessage <WriteMultipleRegistersRequest>(writeFrame);
}
public ReadWriteMultipleRegistersRequest(
byte slaveAddress,
ushort startReadAddress,
ushort numberOfPointsToRead,
ushort startWriteAddress,
RegisterCollection writeData)
: base(slaveAddress, ModbusFunctionCodes.ReadWriteMultipleRegisters)
{
_readRequest = new ReadHoldingInputRegistersRequest(
ModbusFunctionCodes.ReadHoldingRegisters,
slaveAddress,
startReadAddress,
numberOfPointsToRead);
_writeRequest = new WriteMultipleRegistersRequest(
slaveAddress,
startWriteAddress,
writeData);
}