public void TcpTest()
{
var model = new ModbusModel();
var protocol = new ModbusTCPProtocol();
var stream = new StreamModel(model, new ModbusTCPScanner());
var master = new ModbusMaster(stream, protocol);
Assert.AreEqual(0, protocol.TransactionId);
master.WriteCoil(0, 0, false);
Assert.AreEqual(1, protocol.TransactionId);
H.SharedSlaveTest(model, master);
}
void ButtonOpenSocketClick(object sender, EventArgs e)
{
var host = textBoxTcpIP.Text;
var port = (int)numericUpDownTcpPort.Value;
EnableControls(false);
ior.Run(() => {
//standalone app maybe closed anytime so default timeout
var socket = Sockets.ConnectWithTimeout(host, port, 400);
var stream = new ModbusSocketStream(socket, 400, IoLog);
var protocol = new ModbusTCPProtocol();
IoSetMaster(new ModbusMaster(stream, protocol));
uir.Run(() => Log("success", "Socket {0}:{1} open", host, port));
});
}
public void DefaultTest()
{
var socket = Tools.ConnectWithTimeout("127.0.0.1", 9005, 400);
var stream = new ModbusSocketStream(socket, 400, StreamLog);
var protocol = new ModbusTCPProtocol();
protocol.TransactionId = 0xFA;
using (var master = new ModbusMaster(stream, protocol))
{
var count = 10;
while (--count > 0)
{
master.ReadCoil(1, 4096);
}
}
}
public void TransactionIdWrapTest()
{
var model = new ModbusModel();
var protocol = new ModbusTCPProtocol();
var stream = new StreamModel(model, new ModbusTCPScanner());
var master = new ModbusMaster(stream, protocol);
Assert.AreEqual(0, protocol.TransactionId);
master.WriteCoil(0, 0, false);
Assert.AreEqual(1, protocol.TransactionId);
//ensure TransactionId wraps around 0xFFFF
protocol.TransactionId = 0xFFFF;
master.WriteCoil(0, 0, false);
Assert.AreEqual(0, protocol.TransactionId);
master.WriteCoil(0, 0, false);
Assert.AreEqual(1, protocol.TransactionId);
}
public void RackSweepTest()
{
//http://www.opto22.com/documents/1678_Modbus_TCP_Protocol_Guide.pdf
// required otg included in SharpOpto22
// m0.0 = 24V
// m0.1 = 0V
// m0.2 = m1.2
// m0.3 = m1.3
// m2.1 = m3.1
// m2.2 = m3.2
var socket = new TcpClient("10.77.0.2", 502);
var stream = new ModbusSocketStream(socket, 400);
var protocol = new ModbusTCPProtocol();
var master = new ModbusMaster(stream, protocol);
master.WriteCoils(1, 4, Bools(4, false)); //clear module
Thread.Sleep(50);
master.WriteCoils(1, 64, Bools(4, true)); //clear on latches
master.WriteCoils(1, 128, Bools(4, true)); //clear off latches
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(false, master.ReadCoil(1, 2));
Assert.AreEqual(false, master.ReadCoil(1, 3));
master.WriteCoil(1, 6, false);
master.WriteCoil(1, 7, false);
Thread.Sleep(50);
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, false, false }, master.ReadCoils(1, 0, 4));
master.WriteCoil(1, 6, true);
master.WriteCoil(1, 7, false);
Thread.Sleep(50);
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(true, master.ReadCoil(1, 2));
Assert.AreEqual(false, master.ReadCoil(1, 3));
Assert.AreEqual(new bool[] { true, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { true, false }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, true, false }, master.ReadCoils(1, 0, 4));
master.WriteCoil(1, 6, false);
master.WriteCoil(1, 7, true);
Thread.Sleep(50);
Assert.AreEqual(true, master.ReadCoil(1, 0));
Assert.AreEqual(false, master.ReadCoil(1, 1));
Assert.AreEqual(false, master.ReadCoil(1, 2));
Assert.AreEqual(true, master.ReadCoil(1, 3));
Assert.AreEqual(new bool[] { true, true }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { true, false }, master.ReadInputs(1, 128 + 2, 2));
Assert.AreEqual(new bool[] { false, true }, master.ReadCoils(1, 6, 2));
Assert.AreEqual(new bool[] { true, false, false, true }, master.ReadCoils(1, 0, 4));
master.WriteCoils(1, 64, Bools(4, true)); //clear on latches
master.WriteCoils(1, 128, Bools(4, true)); //clear off latches
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 64 + 2, 2));
Assert.AreEqual(new bool[] { false, false }, master.ReadInputs(1, 128 + 2, 2));
//analog
SetAnalog(master, 12, 0);
SetAnalog(master, 13, 0);
Assert.AreEqual(0, GetAnalog(master, 12));
Assert.AreEqual(0, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(0f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(0f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
SetAnalog(master, 12, 5);
SetAnalog(master, 13, 10);
Assert.AreEqual(5, GetAnalog(master, 12));
Assert.AreEqual(10, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(5f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(10f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
SetAnalog2(master, 12, -5);
SetAnalog2(master, 13, -10);
Assert.AreEqual(-5, GetAnalog(master, 12));
Assert.AreEqual(-10, GetAnalog(master, 13));
Thread.Sleep(50);
Assert.That(-5f, Is.EqualTo(GetAnalog2(master, 8)).Within(0.1));
Assert.That(-10f, Is.EqualTo(GetAnalog2(master, 9)).Within(0.1));
}
