public void ProtocolDataUnit()
{
RegisterCollection data = new RegisterCollection(1, 2, 3, 4);
DiagnosticsRequestResponse request = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, 5,
data);
Assert.Equal(new byte[] {8, 0, 0, 0, 1, 0, 2, 0, 3, 0, 4}, request.ProtocolDataUnit);
}
public void ReturnQueryDataRequestResponse()
{
RegisterCollection data = new RegisterCollection(1, 2, 3, 4);
DiagnosticsRequestResponse request = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, 5, data);
Assert.AreEqual(Modbus.Diagnostics, request.FunctionCode);
Assert.AreEqual(Modbus.DiagnosticsReturnQueryData, request.SubFunctionCode);
Assert.AreEqual(5, request.SlaveAddress);
Assert.AreEqual(data.NetworkBytes, request.Data.NetworkBytes);
}
public void CreateModbusMessageReturnQueryDataRequestResponse()
{
const byte slaveAddress = 5;
RegisterCollection data = new RegisterCollection(50);
byte[] frame = new byte[] { slaveAddress, 8, 0, 0 }.Concat(data.NetworkBytes).ToArray();
DiagnosticsRequestResponse message =
ModbusMessageFactory.CreateModbusMessage <DiagnosticsRequestResponse>(frame);
DiagnosticsRequestResponse expectedMessage =
new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, slaveAddress, data);
Assert.Equal(expectedMessage.SubFunctionCode, message.SubFunctionCode);
ModbusMessageFixture.AssertModbusMessagePropertiesAreEqual(expectedMessage, message);
}
/// <summary>
/// Serial Line only.
/// Diagnostic function which loops back the original data.
/// NModbus only supports looping back one ushort value, this is a limitation of the "Best Effort" implementation of
/// the RTU protocol.
/// </summary>
/// <param name="slaveAddress">Address of device to test.</param>
/// <param name="data">Data to return.</param>
/// <returns>Return true if slave device echoed data.</returns>
public bool ReturnQueryData(byte slaveAddress, ushort data)
{
DiagnosticsRequestResponse request;
DiagnosticsRequestResponse response;
request = new DiagnosticsRequestResponse(
Modbus.DiagnosticsReturnQueryData,
slaveAddress,
new RegisterCollection(data));
response = Transport.UnicastMessage <DiagnosticsRequestResponse>(request);
return(response.Data[0] == data);
}
public void CreateModbusRequestForDiagnostics()
{
DiagnosticsRequestResponse diagnosticsRequest = new DiagnosticsRequestResponse(0, 2,
new RegisterCollection(45));
IModbusMessage request = ModbusMessageFactory.CreateModbusRequest(diagnosticsRequest.MessageFrame);
Assert.AreEqual(typeof (DiagnosticsRequestResponse), request.GetType());
}
public void CreateModbusMessageReturnQueryDataRequestResponse()
{
const byte slaveAddress = 5;
RegisterCollection data = new RegisterCollection(50);
byte[] frame = new byte[] { slaveAddress, 8, 0, 0 }.Concat(data.NetworkBytes).ToArray();
DiagnosticsRequestResponse message =
ModbusMessageFactory.CreateModbusMessage<DiagnosticsRequestResponse>(frame);
DiagnosticsRequestResponse expectedMessage =
new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, slaveAddress, data);
Assert.AreEqual(expectedMessage.SubFunctionCode, message.SubFunctionCode);
AssertModbusMessagePropertiesAreEqual(expectedMessage, message);
}
public void ToString_Test()
{
var message = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, 3, new RegisterCollection(5));
Assert.AreEqual("Diagnostics message, sub-function return query data - {5}.", message.ToString());
}
/// <summary>
/// Serial Line only.
/// Diagnostic function which loops back the original data.
/// NModbus only supports looping back one ushort value, this is a limitation of the "Best Effort" implementation of the RTU protocol.
/// </summary>
/// <param name="slaveAddress">Address of device to test.</param>
/// <param name="data">Data to return.</param>
/// <returns>Return true if slave device echoed data.</returns>
public bool ReturnQueryData(byte slaveAddress, ushort data)
{
DiagnosticsRequestResponse request = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, slaveAddress, new RegisterCollection(data));
DiagnosticsRequestResponse response = Transport.UnicastMessage<DiagnosticsRequestResponse>(request);
return response.Data[0] == data;
}
public void CreateModbusMessageReturnQueryDataRequestResponseTooSmall()
{
byte[] frame = new byte[] { 5, 8, 0, 0, 5 };
DiagnosticsRequestResponse message = ModbusMessageFactory.CreateModbusMessage <DiagnosticsRequestResponse>(frame);
}
public void ToString_Test()
{
var message = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, 3, new RegisterCollection(5));
Assert.Equal("Diagnostics message, sub-function return query data - {5}.", message.ToString());
}
public void CreateModbusRequestForDiagnostics()
{
MockRepository mocks = new MockRepository();
var mockSlave = mocks.PartialMock<ModbusSlave>((byte) 1, new EmptyTransport());
DiagnosticsRequestResponse diagnosticsRequest = new DiagnosticsRequestResponse(0, 2, new RegisterCollection(45));
IModbusMessage request = ModbusMessageFactory.CreateModbusRequest(mockSlave, diagnosticsRequest.MessageFrame);
Assert.AreEqual(typeof(DiagnosticsRequestResponse), request.GetType());
}