void SetSeriport()
{
serial.PortName = comboBox1.Text;
serial.BaudRate = int.Parse(comboBox2.Text);
serial.DataBits = int.Parse(comboBox3.Text);
if (comboBox5.Text.ToUpper() == "EVEN")
{
serial.Parity = Parity.Even;
}
else if (comboBox5.Text.ToUpper() == "ODD")
{
serial.Parity = Parity.Odd;
}
else
{
serial.Parity = Parity.None;
}
if (comboBox4.Text == "1")
{
serial.StopBits = StopBits.One;
}
else if (comboBox4.Text == "1.5")
{
serial.StopBits = StopBits.OnePointFive;
}
serial.ReadTimeout = 100;
serial.WriteTimeout = 100;
modbus = new Modbus(serial);
}