Ejemplo n.º 1
0
        //Nekaj spremenljivk ki jih potrebujemo
        public void ParseFrame(byte[] data)
        {
            //UECP_Parser UECP = new UECP_Parser(); //We have to initialize our class
            UECPFrame = RDSTools.RemoveByteStuffing(data);
            //Lets fill out array with data now
            Array.Copy(UECPFrame, 0, STA, 0, 1); //START

            Array.Copy(UECPFrame, 0 + 1, ADD, 0, 2);
            Array.Copy(UECPFrame, 0 + 1 + 2, SQC, 0, 1);
            Array.Copy(UECPFrame, 0 + 1 + 2 + 1, MFL, 0, 1);                        //We need this now
            Array.Copy(UECPFrame, 0 + 1 + 2 + 1 + 1, MSG, 0, MFL[0]);               //We need MFL now
            Array.Copy(UECPFrame, 0 + 1 + 2 + 1 + 1 + MFL[0], CRC, 0, 2);           //We still need MFL, to know where to start copying

            Array.Copy(UECPFrame, Array.IndexOf(UECPFrame, (byte)0xFF), STP, 0, 1); //STOP
            //Console.WriteLine(Encoding.Default.GetString(UECPFrame).Trim());
            //Console.WriteLine(Tools.ByteArrayToString(UECPFrame));
            //Lets fill out array with data now

            //Check CRC Now
            List <byte> CRC2Calculate = Tools.array2ListAtRange(UECPFrame, 0 + 1, 0 + 1 + 2 + 1 + 1 + (int)MFL[0]);
            List <byte> CRC2Check     = CRC.ToList();

            CRCOK = RDSTools.check_crc(CRC2Calculate, CRC2Check); //IF CRC IS OK IT SHOULD BE TRUE
            Console.WriteLine(CRCOK);
            ParseMessage();
            //Check CRC Now
        }
Ejemplo n.º 2
0
        public int dMEL;    //MEL (Decimal)
        //Spremenljivke (vse kar ima S pred imenom ni byteArray)

        public void ParseMessage()
        {
            UECP_Parser UECP = new UECP_Parser();

            //MEC

            /*
             * The Message Element Code identifies a particular
             * message, as defined in Section 3.
             * The Message Element Codeis within the range 01..FD.
             * The codes 00, FE and FF are not permitted for defining a MEC,
             * as they are used in this specification with a special meaning,
             * always defined in the conventions for a specific command.
             */

            Array.Copy(MSG, 0, MEC, 0, 1);
            sMEC = RDSTools.FormatMEC(((MEC)MEC[0]).ToString());
            bMEC = MEC[0].ToString("X2");
            //Console.WriteLine("MEC: " + sMEC + " (" + bMEC + ")");
            //MEC

            //PI (01)

            //DSN

            /*
             * The Data Set Number (DSN) permits a message to be targeted to the following within an encoder:
             * -  a specific data set,
             * -  the current data set,
             * -  all data sets.
             */

            Array.Copy(MSG, 1, DSN, 0, 1);
            dDSN = DSN[0];
            if (dDSN == 0)
            {
                sDSN = "Current data set";
            }
            else if (dDSN >= 1 && dDSN <= 253)
            {
                sDSN = "Specific data set";
            }
            else if (dDSN == 254)
            {
                sDSN = "All data sets except the current data set";
            }
            else if (dDSN == 255)
            {
                sDSN = "All data sets";
            }
            //DSN

            //PSN

            /*
             * The Programme Service Number (PSN) permits a message element to operate a number of
             * services within one or more data sets and the corresponding addressing is shown in Table 6
             */
            Array.Copy(MSG, 2, PSN, 0, 1);
            dPSN = PSN[0];
            if (dPSN == 0)
            {
                sPSN = "Special PSN for main service of specified data set(s)";
            }
            else if (dPSN >= 1 && dPSN <= 255)
            {
                sPSN = "Specific service within data set(s)";
            }
            //PSN

            //MEL
            Array.Copy(MSG, 3, MEL, 0, 1);
            dMEL = MEL[0];
            //MEL
            Array.Copy(MSG, 3, MED, 0, dMEL);
            //MED

            //MED
            //Console.WriteLine("MEC: " + sMEC + " (" + bMEC + ")");
            //Because we will have more than 5 conditions we will use switch instead of if/else
            switch (sMEC)
            {
            case "PI":
                ParsePI(dMEL, MED);
                break;

            case "PS":
                ParsePS(dMEL, MED);
                break;
            }
        }