Ejemplo n.º 1
0
        public OMSSCADACommon.Responses.Response WriteSingleDigital(string id, CommandTypes command)
        {
            Console.WriteLine("WriteSingleDigital!");

            Digital digital = null;

            OMSSCADACommon.Responses.Response response = new OMSSCADACommon.Responses.Response();

            //while (!Database.IsConfigurationRunning)
            //    Thread.Sleep(100);


            // getting PV from db
            ProcessVariable pv;

            if (dbContext.GetProcessVariableByName(id, out pv))
            {
                digital = (Digital)pv;
            }

            // does this ID exist in the database
            if (digital == null)
            {
                response.ResultMessage = ResultMessage.INVALID_ID;
                return(response);
            }

            // is this a valid command for this digital device
            if (!CommandValidator.ValidateDigitalCommand(digital, command))
            {
                response.ResultMessage = ResultMessage.INVALID_DIG_COMM;
                return(response);
            }


            RTU rtu;

            if ((rtu = dbContext.GetRTUByName(digital.ProcContrName)) != null)
            {
                IORequestBlock iorb = new IORequestBlock()
                {
                    RequestType           = RequestType.SEND,
                    ProcessControllerName = digital.ProcContrName
                };

                iorb.ReqAddress = (ushort)rtu.GetCommandAddress(digital);

                switch (rtu.Protocol)
                {
                case IndustryProtocols.ModbusTCP:

                    ModbusHandler mdbHandler = new ModbusHandler
                    {
                        Header = new ModbusApplicationHeader()
                        {
                            TransactionId = 0,
                            Length        = 5,
                            ProtocolId    = (ushort)IndustryProtocols.ModbusTCP,
                            DeviceAddress = rtu.Address
                        },

                        Request = new WriteRequest()
                        {
                            FunCode   = FunctionCodes.WriteSingleCoil,
                            StartAddr = (ushort)rtu.GetCommandAddress(digital),
                            Value     = (ushort)command
                        }
                    };

                    iorb.SendBuff      = mdbHandler.PackData();
                    iorb.SendMsgLength = iorb.SendBuff.Length;
                    break;
                }

                IORequests.EnqueueRequest(iorb);
                Console.WriteLine("enqued {0}", BitConverter.ToString(iorb.SendBuff, 0, 12));

                digital.Command = command;

                response.ResultMessage = ResultMessage.OK;
            }
            else
            {
                // rtu does not exist
            }

            return(response);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Send Commands to simulator, to make its state consistent with RTDB
        /// </summary>
        public void InitializeSimulator()
        {
            List <ProcessVariable> pvs = dbContext.GetAllProcessVariables();

            if (pvs.Count != 0)
            {
                foreach (ProcessVariable pv in pvs)
                {
                    IORequestBlock iorb = new IORequestBlock()
                    {
                        RequestType           = RequestType.SEND,
                        ProcessControllerName = pv.ProcContrName
                    };

                    RTU rtu;
                    if ((rtu = dbContext.GetRTUByName(pv.ProcContrName)) != null)
                    {
                        iorb.ReqAddress = (ushort)rtu.GetCommandAddress(pv);
                        bool shouldCommand = false;

                        switch (rtu.Protocol)
                        {
                        case IndustryProtocols.ModbusTCP:

                            ModbusHandler mdbHandler = new ModbusHandler();
                            mdbHandler.Header = new ModbusApplicationHeader()
                            {
                                TransactionId = 0,
                                Length        = 5,
                                ProtocolId    = (ushort)IndustryProtocols.ModbusTCP,
                                DeviceAddress = rtu.Address
                            };

                            mdbHandler.Request = new WriteRequest()
                            {
                                StartAddr = (ushort)rtu.GetCommandAddress(pv)
                            };

                            switch (pv.Type)
                            {
                            // initialy, on simulator all digitals are set to 0 -> closed state
                            case VariableTypes.DIGITAL:
                                Digital digital = (Digital)pv;

                                CommandTypes comm;
                                if (shouldCommand = CommandValidator.InitialCommandingForDigital(digital, out comm))
                                {
                                    mdbHandler.Request.FunCode = FunctionCodes.WriteSingleCoil;
                                    ((WriteRequest)mdbHandler.Request).Value = (ushort)comm;
                                }
                                break;

                            case VariableTypes.ANALOG:
                                Analog analog = (Analog)pv;

                                if (shouldCommand = AnalogProcessor.InitialWorkPointAnalog(analog))
                                {
                                    mdbHandler.Request.FunCode = FunctionCodes.WriteSingleRegister;
                                    ((WriteRequest)mdbHandler.Request).Value = (ushort)analog.RawCommValue;
                                }
                                analog.IsInit = true;
                                break;

                            case VariableTypes.COUNTER:
                                Counter counter = (Counter)pv;

                                break;
                            }

                            if (shouldCommand)
                            {
                                iorb.SendBuff      = mdbHandler.PackData();
                                iorb.SendMsgLength = iorb.SendBuff.Length;
                                if (pv.Name == "MEAS_AN_1")
                                {
                                    Console.WriteLine(BitConverter.ToString(iorb.SendBuff, 0, 12));
                                }
                            }

                            break;
                        }

                        if (shouldCommand)
                        {
                            IORequests.EnqueueRequest(iorb);
                        }
                    }
                    else
                    {
                        // izbrisati omdah te procesne varijable sa rtu-om tog imena?
                        Console.WriteLine("Invalid config: ProcContrName = {0} does not exists.", pv.ProcContrName);
                        continue;
                    }
                }
            }
        }