Exemplo n.º 1
0
        void myConnection_PDURecieved(Pdu pdu)
        {
            byte[] pdu_bt = pdu.ToBytes();
            byte[] data   = new byte[pdu_bt.Length + 3]; //+3 Bytes (COTP)
            Array.Copy(pdu_bt, 0, data, 3, pdu_bt.Length);

            //COTP
            data[0] = 2;
            data[1] = 0xf0;
            data[2] = 0x80;

            listBox1.Invoke(
                (MethodInvoker) delegate() { listBox1.Items.Add("Send (TCP): " + ByteExtensions.ToHexString(data)); });


            myTCPServer.SendData(data);
        }
Exemplo n.º 2
0
        void myTCPServer_TelegrammRecieved(byte[] telegramm, TcpClient tcpClient)
        {
            //Dann kommt COPT
            //Dann S7 PDU
            byte[] coptPart = new byte[telegramm[0] + 1];
            Array.Copy(telegramm, 0, coptPart, 0, coptPart.Length);

            listBox1.Items.Add("Recieved (TCP): " + ByteExtensions.ToHexString(telegramm));
            try
            {
                if (coptPart[1] == 0xe0 /* 0xe0 = CR = Connection Request */)
                {
                    // Auf Anfrage mit CC Connect Confirm antworten
                    byte[] cc =
                    {
                        // *** fixed part ***
                        0x11,            // Length 17
                        0x0D,            // 0xD0 = CC Connect Confirm
                        0x00, 0x01,      // 2, 3: Dest.Reference
                        0x00, 0x01,      // 4, 5: Source Reference
                        0x00,            // 6 :Class Option
                        // *** variable part ***
                        0xC0,            // 7: Param. Code: tdpu-size
                        0x01,            // 8: Param. length 1
                        0x09,            // 9: TPDU size
                        0xC1,            // 10: Param. Code:scr-tsap
                        0x02,            // 11: Param. length 2
                        0x01,            // 12:
                        0x00,            // 13:
                        0xC2,            // 14: Param. Code: dst-tsap
                        0x02,            // 15: Param. length 2
                        0x03,            // 16:
                        0x02             // 17:
                    };
                    cc[2] = coptPart[4];
                    cc[3] = coptPart[5];
                    listBox1.Items.Add("Send (TCP): " + ByteExtensions.ToHexString(cc));

                    myTCPServer.SendData(cc);
                }
                else if (coptPart[1] == 0xf0 /* 0xf0 = DT = Data */)
                {
                    byte[] pduBytes = new byte[telegramm.Length - coptPart.Length];
                    Array.Copy(telegramm, coptPart.Length, pduBytes, 0, pduBytes.Length);
                    Pdu recPdu = new Pdu(pduBytes);

                    if (recPdu.Param[0] == 0xf0)
                    {
                        //Negotiate PDU Length request
                    }
                    else
                    {
                        myConnection.SendPdu(recPdu);
                    }
                }
            }
            catch (Exception ex)
            {
                listBox1.Items.Add(ex.Message);
            }
        }