public ModbusRequestCreator()
{
ModbusRTUMaster master = new ModbusRTUMaster();
master.SlaveAddr = SetAddress(1);
master.StartReg = SetStartRegister(0);
master.RegCount = SetRegistersCount(1);
Console.WriteLine($"Choose modbus function(default - 0x03):");
Console.WriteLine("1. Read holding reg - 0x03");
Console.WriteLine("2. Write holding reg - 0x10");
var key = Console.ReadKey().Key;
if (key == ConsoleKey.NumPad2 || key == ConsoleKey.D2)
{
master.FuncCode = 0x10;
var msg = SetMessage();
var payload = CreateDataPayload(msg);
var request = master.CreateMessage(payload).ToArray();
Program.MySerialPort.serialPort.Write(request, 0, request.Length);
}
else
{
master.FuncCode = 0x03;
var request = master.CreateMessage().ToArray();
Program.MySerialPort.serialPort.Write(request, 0, request.Length);
}
//var byteRequest = master.CreateMessage();
//var stringRequest = CreateModbusRTUDataString(master);
//Program.MySerialPort.serialPort.WriteLine(stringRequest);
Console.Read();
}
public string CreateModbusRTUDataString(ModbusRTUMaster p_Msg)
{
string RetVal = "";
for (int i = 0; i < p_Msg.MsgSize; i++)
{
RetVal += ("0x" + p_Msg.Msg[i].ToString("X2") + " ");
}
return(RetVal);
}