private async Task <byte[]> ReadBlockAsync(ModbusReadBlockConfiguration readBlock)
{
switch (readBlock.Function)
{
case ModbusFunctions.ReadCoilStatus:
{
var result = await modbusClient.ReadCoilsAsync(readBlock.AddressOffset, readBlock.Count);
return(result);
}
case ModbusFunctions.ReadInputStatus:
{
var result = await modbusClient.ReadInputsAsync(readBlock.AddressOffset, readBlock.Count);
return(result);
}
case ModbusFunctions.ReadHoldingRegister:
{
var result = await modbusClient.ReadHoldingRegistersAsync(readBlock.AddressOffset, readBlock.Count);
return(readBlock.ByteSwap ? result.ReadDataByteSwap() : result.RawData);
}
case ModbusFunctions.ReadInputRegister:
{
var result = await modbusClient.ReadInputRegistersAsync(readBlock.AddressOffset, readBlock.Count);
return(readBlock.ByteSwap ? result.ReadDataByteSwap() : result.RawData);
}
default:
return(null);
}
}