public void WriteMultipleCoilsPDU_ArgumentRange() { IProtocolDataUnit TestingPDU; try { TestingPDU = new WriteMultipleCoilsPDU(MinAddress - 1, new bool[NormQuantity]); Assert.Fail("Min Address Error"); } catch (ArgumentOutOfRangeException) { } try { TestingPDU = new WriteMultipleCoilsPDU(MaxAddress + 1, new bool[NormQuantity]); Assert.Fail("Max Address Error"); } catch (ArgumentOutOfRangeException) { } try { TestingPDU = new WriteMultipleCoilsPDU(NormAddress, new bool[MinQuantity - 1]); Assert.Fail("Min Quantity Error"); } catch (ArgumentOutOfRangeException) { } try { TestingPDU = new WriteMultipleCoilsPDU(NormAddress, new bool[MaxQuantity + 1]); Assert.Fail("Max Quantity Error"); } catch (ArgumentOutOfRangeException) { } }
[TestMethod] // Oficial Example public void WriteMultipleCoilsPDU_DocSampleReq() { var PDU = new WriteMultipleCoilsPDU(19, new bool[] { true, false, true, true, false, false, true, true, true, false }); var ExpectedReq = new byte[] { 0x0F, // Function Code 0x00, // Starting Address Hi 0x13, // Starting Address Lo 0x00, // Quantity of Inputs Hi 0x0A, // Quantity of Inputs Lo 0x02, // Byte Count 0xCD, // Output Value Hi 0x01, // Output Value Lo }; var ActualReq = PDU.BuildRequest(); CollectionAssert.AreEqual(ExpectedReq, ActualReq, "Wrong Request"); }
public Status CheckRequest(byte[] Request) { if (Request.Length < 13) return Status.Error; Header = new MBAP(Request); if (Header.ProtocolID != 0) return Status.Error; switch (Request[1]) { case 0x01: PDU = new ReadCoilsPDU(); break; case 0x02: PDU = new ReadDiscreteInputsPDU(); break; case 0x03: PDU = new ReadHoldingRegistersPDU(); break; case 0x04: PDU = new ReadInputRegistersPDU(); break; case 0x05: PDU = new WriteSingleCoilPDU(); break; case 0x06: PDU = new WriteSingleRegisterPDU(); break; case 0x0F: PDU = new WriteMultipleCoilsPDU(); break; case 0x10: PDU = new WriteMultipleRegistersPDU(); break; default: return Status.Error; } var PDURequest = new byte[Request.Length - 3]; for (int i=0; i<PDURequest.Length; i++) PDURequest[i] = Request[i + 1]; return PDU.CheckRequest(PDURequest); }
public void WriteMultipleCoils(IModbusDevice Device, int StartAddr, bool[] Value) { if (!(Device is RTU_Device)) throw new ArgumentException("Wrong Type", "Device"); var PDU = new WriteMultipleCoilsPDU(StartAddr, Value); var ADU = new RTU_ADU((Device as RTU_Device), PDU); Query(ADU); }
public Status CheckRequest(byte[] Request) { if ( (Request.Length < 4) || (Request[0] != Device.Address) ) // 3 = Address + FuncCode + CRC_Lo + CRC_Hi return Status.Error; if (CRC.Get(Request) != 0) return Status.Error; switch (Request[1]) { case 0x01: PDU = new ReadCoilsPDU(); break; case 0x02: PDU = new ReadDiscreteInputsPDU(); break; case 0x03: PDU = new ReadHoldingRegistersPDU(); break; case 0x04: PDU = new ReadInputRegistersPDU(); break; case 0x05: PDU = new WriteSingleCoilPDU(); break; case 0x06: PDU = new WriteSingleRegisterPDU(); break; case 0x0F: PDU = new WriteMultipleCoilsPDU(); break; case 0x10: PDU = new WriteMultipleRegistersPDU(); break; default: return Status.Error; } var PDURequest = new byte[Request.Length - 3]; for (int i=0; i<PDURequest.Length; i++) PDURequest[i] = Request[i + 1]; return PDU.CheckRequest(PDURequest); }
[TestMethod] // Handling Request on Server public void WriteMultipleCoilsPDU_LifeCycle() { var RandomGen = new Random(); int Address = RandomGen.Next(MinAddress, MaxAddress); int Quantity = RandomGen.Next(MinQuantity, MaxQuantity); #region Build Server and Values var Server = new BaseModbusServer(); var Value = new bool[Quantity]; for (int i = 0; i < Quantity; i++) { Value[i] = (RandomGen.Next(2) != 0); Server.AddCoil(Address + i); } #endregion var ClientPDU = new WriteMultipleCoilsPDU(Address, Value); var Request = ClientPDU.BuildRequest(); var ServerPDU = new WriteMultipleCoilsPDU(); var ReqStatus = ServerPDU.CheckRequest(Request); Assert.AreEqual(Status.OK, ReqStatus, "Recognition Error"); Assert.AreEqual(Address, ServerPDU.StartingAddress, "Whong Address recognition in CheckRequest"); ServerPDU.Handle(Server); CollectionAssert.AreEqual(Value, ServerPDU.Value, "Whong Address recognition in CheckRequest"); ClientPDU.CheckResponse(ServerPDU.BuildResponse()); CollectionAssert.AreEqual(Value, ClientPDU.Value, "Whong Address recognition in CheckRequest"); }