コード例 #1
0
        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));
        }
コード例 #2
0
ファイル: TCP ADU.cs プロジェクト: mrLunatic/NET_Modbus
        public byte[] BuildRequest()
        {
            var Request = new byte[ReqSize];

            Header = new MBAP(Device.Address, PDU.ReqSize);

            Request[0] = (byte)((Header.TransactionID >> 8) & 0xFF);
            Request[1] = (byte)( Header.TransactionID  & 0xFF);
            Request[2] = (byte)((Header.ProtocolID >> 8) & 0xFF);
            Request[3] = (byte)( Header.ProtocolID  & 0xFF);
            Request[4] = (byte)((Header.Lenght >> 8) & 0xFF);
            Request[5] = (byte)( Header.Lenght & 0xFF);
            Request[6] = (byte)( Header.UnitID );

            var PDUReq = PDU.BuildRequest();

            PDUReq.CopyTo(Request, 7);

            return Request;
        }
コード例 #3
0
        public byte[] BuildRequest()
        {
            var Request = new byte[ReqSize];

            Header = new MBAP(Device.Address, PDU.ReqSize);

            Request[0] = (byte)((Header.TransactionID >> 8) & 0xFF);
            Request[1] = (byte)(Header.TransactionID & 0xFF);
            Request[2] = (byte)((Header.ProtocolID >> 8) & 0xFF);
            Request[3] = (byte)(Header.ProtocolID & 0xFF);
            Request[4] = (byte)((Header.Lenght >> 8) & 0xFF);
            Request[5] = (byte)(Header.Lenght & 0xFF);
            Request[6] = (byte)(Header.UnitID);

            var PDUReq = PDU.BuildRequest();

            PDUReq.CopyTo(Request, 7);

            return(Request);
        }
コード例 #4
0
ファイル: TCP ADU.cs プロジェクト: mrLunatic/NET_Modbus
        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);
        }