private void TestWrite(ref ModbusTcpProtocol modbus, ref List <ushort> data)
{
Console.WriteLine("Test write...");
Console.Write("Write data is:");
foreach (var i in data)
{
Console.Write(" " + i.ToString());
}
Console.WriteLine();
int error = 0;
try
{
error = modbus.WriteRegister(1, 0x000, ref data);
if (error != 0)
{
Console.WriteLine("Write fail. Error code is 0x" + Convert.ToString(error, 16).ToUpper() + ".");
}
}
catch (Exception e)
{
Console.WriteLine("Write fail. Error is " + e.Message + ".");
}
Console.WriteLine("Write success!");
}
public void RegisterTest()
{
string localIp = "192.168.1.222";
int localPort = 0;
string remoteIp = "192.168.1.2";
int remotePort = 502;
int length = 10;
List <ushort> testData = new List <ushort>();
for (int i = 0; i < length; i++)
{
testData.Add((ushort)(0xFFF0 | i));
}
ModbusTcpProtocol modbus = new ModbusTcpProtocol(remoteIp, remotePort, localIp, localPort);
Console.WriteLine("Opening...");
try
{
modbus.ModbusTcpOpen();
}
catch (Exception e)
{
Console.WriteLine("Open fail. Error is " + e.Message + ".");
return;
}
Console.WriteLine("Open success!");
TestWrite(ref modbus, ref testData);
TestRead(ref modbus, ref length, ref testData);
Console.WriteLine("Closing...");
try
{
modbus.ModbusTcpClose();
}
catch (Exception e)
{
Console.WriteLine("Close fail. Error is " + e.Message + ".");
return;
}
Console.WriteLine("Close success!");
Assert.IsTrue(true);
}
private void TestRead(ref ModbusTcpProtocol modbus, ref int length, ref List <ushort> data)
{
Console.WriteLine("Test read...");
int error = 0;
List <ushort> readData = new List <ushort>();
try
{
error = modbus.ReadRegister(1, 0x0000, (ushort)length, out readData);
if (error == 0)
{
Console.Write("Read data is:");
foreach (var i in readData)
{
Console.Write(" " + i.ToString());
}
Console.WriteLine();
Console.WriteLine("Read success!");
if (data.SequenceEqual(readData))
{
Console.WriteLine("Read data is same as send!");
}
else
{
Console.WriteLine("Read data is NOT same as send!");
}
}
else
{
Console.WriteLine("Read fail. Error code is 0x" + Convert.ToString(error, 16).ToUpper() + ".");
}
}
catch (Exception e)
{
Console.WriteLine("Read fail. Error is " + e.Message + ".");
}
}