public void RTU_ADU_DocSampleReq()
{
var DocRequest = new byte[]
{
0x01,
0x10, 0x00, 0x01, 0x00, 0x01, 0x02, 0xFF, 0xFF,
0xA6, 0x31,
};
var DocResponse = new byte[]
{
0x01,
0x10, 0x00, 0x01, 0x00, 0x01,
0x50, 0x09,
};
var ClientPDU = new WriteMultipleRegistersPDU(1, new int[] { 0xFFFF });
var Device = new RTU_Device(1);
var ClientADU = new RTU_ADU(Device, ClientPDU);
CollectionAssert.AreEqual(DocRequest, ClientADU.BuildRequest());
Assert.AreEqual(Status.OK, ClientADU.CheckResponse(DocResponse));
}
public int[] ReadInputRegisters(IModbusDevice Device, int StartAddr, int Quantity)
{
var PDU = new ReadInputRegistersPDU(StartAddr, Quantity);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
return(PDU.Value);
}
public void RTU_ADU_LifeCycle()
{
var ClientPDU = new ReadHoldingRegistersPDU(5, 10);
var Device = new RTU_Device(1);
var ClientADU = new RTU_ADU(Device, ClientPDU);
var ServerADU = new RTU_ADU(Device);
ServerADU.CheckRequest(ClientADU.BuildRequest());
}
public bool[] ReadCoils(IModbusDevice Device, int StartAddr, int Quantity)
{
if (!(Device is RTU_Device))
throw new ArgumentException("Wrong Type", "Device");
var PDU = new ReadCoilsPDU(StartAddr, Quantity);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
return PDU.Value;
}
public void WriteMultipleRegisters(IModbusDevice Device, int StartAddr, int[] Value)
{
if (!(Device is RTU_Device))
{
throw new ArgumentException("Wrong Type", "Device");
}
var PDU = new WriteMultipleRegistersPDU(StartAddr, Value);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
}
public void WriteSingleCoil(IModbusDevice Device, int StartAddr, bool Value)
{
if (!(Device is RTU_Device))
{
throw new ArgumentException("Wrong Type", "Device");
}
var PDU = new WriteSingleCoilPDU(StartAddr, Value);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
}
void Listen()
{
var Device = new RTU_Device(Address);
Buffer = new List<byte>();
try
{
while (true)
{
var ADU = new RTU_ADU(Device);
Port.DiscardInBuffer();
Buffer.Clear();
#region Recieve first byte
Port.ReadTimeout = SerialPort.InfiniteTimeout;
Buffer.Add((byte)Port.ReadByte());
//ByteRecievedEvent(Buffer.Last());
#endregion
#region Recieve All bytes
Port.ReadTimeout = ByteTimeout;
try
{
while(true)
Buffer.Add((byte)Port.ReadByte());
//ByteRecievedEvent(Buffer.Last());
}
catch (TimeoutException) { }
#endregion
#region Handle Req
if ((ADU.CheckRequest(Buffer.ToArray())) == Status.OK)
{
ADU.PDU.Handle(this);
var Response = ADU.BuildResponse();
Port.Write(Response, 0, Response.Length);
}
#endregion
}
}
catch (IOException)
{ }
}
void Listen()
{
var Device = new RTU_Device(Address);
Buffer = new List <byte>();
try
{
while (true)
{
var ADU = new RTU_ADU(Device);
Port.DiscardInBuffer();
Buffer.Clear();
#region Recieve first byte
Port.ReadTimeout = SerialPort.InfiniteTimeout;
Buffer.Add((byte)Port.ReadByte());
//ByteRecievedEvent(Buffer.Last());
#endregion
#region Recieve All bytes
Port.ReadTimeout = ByteTimeout;
try
{
while (true)
{
Buffer.Add((byte)Port.ReadByte());
}
//ByteRecievedEvent(Buffer.Last());
}
catch (TimeoutException) { }
#endregion
#region Handle Req
if ((ADU.CheckRequest(Buffer.ToArray())) == Status.OK)
{
ADU.PDU.Handle(this);
var Response = ADU.BuildResponse();
Port.Write(Response, 0, Response.Length);
}
#endregion
}
}
catch (IOException)
{ }
}
public bool[] ReadDiscreteInputs(IModbusDevice Device, int StartAddr, int Quantity)
{
if (!(Device is RTU_Device))
{
throw new ArgumentException("Wrong Type", "Device");
}
var PDU = new ReadDiscreteInputsPDU(StartAddr, Quantity);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
return(PDU.Value);
}
private Status Query(RTU_ADU ADU)
{
lock (Port)
{
var Request = ADU.BuildRequest();
var Count = 0;
try
{
do
{
Port.DiscardInBuffer();
Buffer.Clear();
Port.Write(Request, 0, ADU.ReqSize);
ReqSendEvent(ADU.BuildRequest());
if (!ADU.Device.Broadcast)
{
Port.ReadTimeout = Timeout;
#region Wait for first byte
try
{
Buffer.Add((byte)Port.ReadByte());
ByteRecievedEvent(Buffer.Last());
}
catch (TimeoutException)
{
Count++;
continue;
}
#endregion
Port.ReadTimeout = ByteTimeout;
#region Recieve All bytes
try
{
for (int i = 0; i < ADU.RespSize - 1; i++)
{
Buffer.Add((byte)Port.ReadByte());
ByteRecievedEvent(Buffer.Last());
}
}
catch (TimeoutException) { }
#endregion
switch (ADU.CheckResponse(Buffer.ToArray()))
{
case Status.OK: Thread.Sleep(4); return Status.OK;
case Status.Exception: throw new ModbusException(ADU.Device.Address, FunctionCode.WriteMultipleRegisters, (ExceptionType)ADU.PDU.ExceptionCode);
case Status.Error: Thread.Sleep(4); Count++; break;
}
}
else
return Status.OK;
} while (Count < MaxCount);
}
catch (IOException ex) { throw new RTU_Exception("Ошибка порта", ex); }
throw new ModbusException(ADU.Device.Address, FunctionCode.WriteMultipleRegisters, (ExceptionType)ADU.PDU.ExceptionCode);
}
}
public void WriteMultipleRegisters(IModbusDevice Device, int StartAddr, int[] Value)
{
if (!(Device is RTU_Device))
throw new ArgumentException("Wrong Type", "Device");
var PDU = new WriteMultipleRegistersPDU(StartAddr, Value);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU) ;
}
public void WriteSingleCoil(IModbusDevice Device, int StartAddr, bool Value)
{
if (!(Device is RTU_Device))
throw new ArgumentException("Wrong Type", "Device");
var PDU = new WriteSingleCoilPDU(StartAddr, Value);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
}
public int[] ReadInputRegisters(IModbusDevice Device, int StartAddr, int Quantity)
{
var PDU = new ReadInputRegistersPDU(StartAddr, Quantity);
var ADU = new RTU_ADU((Device as RTU_Device), PDU);
Query(ADU);
return PDU.Value;
}
private Status Query(RTU_ADU ADU)
{
lock (Port)
{
var Request = ADU.BuildRequest();
var Count = 0;
try
{
do
{
Port.DiscardInBuffer();
Buffer.Clear();
Port.Write(Request, 0, ADU.ReqSize);
ReqSendEvent(ADU.BuildRequest());
if (!ADU.Device.Broadcast)
{
Port.ReadTimeout = Timeout;
#region Wait for first byte
try
{
Buffer.Add((byte)Port.ReadByte());
ByteRecievedEvent(Buffer.Last());
}
catch (TimeoutException)
{
Count++;
continue;
}
#endregion
Port.ReadTimeout = ByteTimeout;
#region Recieve All bytes
try
{
for (int i = 0; i < ADU.RespSize - 1; i++)
{
Buffer.Add((byte)Port.ReadByte());
ByteRecievedEvent(Buffer.Last());
}
}
catch (TimeoutException) { }
#endregion
switch (ADU.CheckResponse(Buffer.ToArray()))
{
case Status.OK: Thread.Sleep(4); return(Status.OK);
case Status.Exception: throw new ModbusException(ADU.Device.Address, FunctionCode.WriteMultipleRegisters, (ExceptionType)ADU.PDU.ExceptionCode);
case Status.Error: Thread.Sleep(4); Count++; break;
}
}
else
{
return(Status.OK);
}
} while (Count < MaxCount);
}
catch (IOException ex) { throw new RTU_Exception("Ошибка порта", ex); }
throw new ModbusException(ADU.Device.Address, FunctionCode.WriteMultipleRegisters, (ExceptionType)ADU.PDU.ExceptionCode);
}
}
