Exemple #1
0
        public DevComSlave(IDevComHardwareInterface rInterface, int vSlaveAddress)
        {
            hwInterface = rInterface;
            recBuffer   = new ThreadsafeReceiveBuffer();
            hwInterface.setReceiveBuffer(recBuffer);
            slaveAddr = vSlaveAddress;

            recBuffer.ByteReceived += new ByteReceivedEventHandler(recBuffer_ByteReceived);
            resetFrame              = protocol.GetResetFrame().GetDataframe();
            state = DevComSlaveState.NotReady;
        }
        public DevComSlave(IDevComHardwareInterface rInterface, int vSlaveAddress)
        {
            hwInterface = rInterface;
            recBuffer = new ThreadsafeReceiveBuffer();
            hwInterface.setReceiveBuffer(recBuffer);
            slaveAddr = vSlaveAddress;

            recBuffer.ByteReceived += new ByteReceivedEventHandler(recBuffer_ByteReceived);
            resetFrame = protocol.GetResetFrame().GetDataframe();
            state = DevComSlaveState.NotReady;
        }
 public void setReceiveBuffer(ThreadsafeReceiveBuffer rReceiveBuffer)
 {
     recBuffer = rReceiveBuffer;
 }
Exemple #4
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        void searchForFrames(ThreadsafeReceiveBuffer rBuffer)
        {
            searching.WaitOne();

            M3SProtocol lastAnalyzedProtocol;
            int firstAvailable = GetFirstValidFramePosition(rBuffer, out lastAnalyzedProtocol);

            while(firstAvailable != -1)
            {
                if(firstAvailable != 0) // ganz am Anfang im Buffer steht irgendwas, aber kein gültiges Frame
                {
                    byte[] someStream = rBuffer.readBytes(0, firstAvailable-1);

                    log.Add(someStream);
                }

                int frameEndPosition;

                if(lastAnalyzedProtocol == M3SProtocol.Acknowledge)
                {
                    frameEndPosition = firstAvailable + protocol.AcknowledgeFrameLength-1;
                }
                else
                {
                    frameEndPosition = firstAvailable + rBuffer.ReadByte(firstAvailable + protocol.UpperBoundPosition)+protocol.Overhead;
                }

                byte[] frame = rBuffer.readBytes(firstAvailable, frameEndPosition );
                log.Add(frame);

                // Entfernen der gelesenen Byte..
                rBuffer.FreeBytes(0, frameEndPosition);
                rBuffer.Flush();

                firstAvailable = GetFirstValidFramePosition(rBuffer, out lastAnalyzedProtocol); // Search for next files...
            }
            searching.Release();
        }
Exemple #5
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        void Mnu_openHexdumpClick(object sender, EventArgs e)
        {
            OpenFileDialog opendia = new OpenFileDialog();

            opendia.InitialDirectory = TBL.OperatingSystem.DesktopDirectory;
            opendia.Filter = "hex files (*.hex)|*.hex|All files (*.*)|*.*" ;
            opendia.FilterIndex = 1;
            opendia.RestoreDirectory = false ;

            if(opendia.ShowDialog() == DialogResult.OK)
            {
                int charCount = GetNumOfCharsInFile(opendia.FileName);

                int byteCount = charCount / 2;

                ThreadsafeReceiveBuffer recBuffer = new ThreadsafeReceiveBuffer(byteCount+1);

                int currentCharacter = 0;
                string curFigure = "";
                int ascii;

                // well.. now read
                try
                {
                    using (System.IO.StreamReader sr = new System.IO.StreamReader(opendia.FileName))
                    {
                        while ((ascii = sr.Read()) != -1)
                       {
                            curFigure += ((char)(ascii)).ToString();

                            if((currentCharacter % 2) == 1)
                            {
                                int intval = Convert.ToInt32(curFigure, 16);  //Using ToUInt32 not ToUInt64, as per OP comment
                                recBuffer.AddByte((byte)(intval));
                                curFigure = "";
                            }

                       	  currentCharacter++;

                       }
                    }
                }
                catch
                {
                    stdOut.Error("Parsing error at Character " + currentCharacter.ToString());
                }

                searchForFrames(recBuffer);

                this.Controls.Add(log.Visualisation);
                log.VisualizationFitWindowSize(this);
                stdOut.Info("should now open " + opendia.FileName);
            }
        }
Exemple #6
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        /// <summary>
        /// Sucht die Position des ersten gültigen M3S-Frames in einem übergebenen Buffer
        /// </summary>
        /// <param name="rBuffer">Buffer, der durchsucht werden soll</param>
        /// <returns>Position des ersten gültigen M3S-Frames (-1 wenn nichts gefunden wurde)</returns>
        int GetFirstValidFramePosition(ThreadsafeReceiveBuffer rBuffer, out M3SProtocol oProtocol)
        {
            oProtocol = M3SProtocol.Invalid;

            if(!rBuffer.DataAvailable)								// Buffer Empty
            {
                return(-1);
            }
            if(rBuffer.DataPtr < protocol.MinimumFrameLength)   // not enough Data available
            {
                return(-1);
            }

            int upperBound = -1;

            for(int start = 0; start<=rBuffer.DataPtr - protocol.MinimumFrameLength; start++)
            {

                if(han.ExtractProtocol(rBuffer.ReadByte(start))== M3SProtocol.Acknowledge)
                {
                    if(protocol.IsFrame(rBuffer.readBytes(start, start+4)))
                    {
                        oProtocol = M3SProtocol.Acknowledge;
                        return(start);
                    }
                }

                upperBound = rBuffer.ReadByte(start + protocol.UpperBoundPosition); // Ausgelesenes Upperbound aus angenommener Bitposition..
                byte[] frameToTest = rBuffer.readBytes(start, start + upperBound + protocol.Overhead); // Zu testendes Frame

                if(protocol.IsFrame(frameToTest))
                {
                    oProtocol = han.ExtractProtocol(frameToTest[0]);
                    return(start);
                }
            }

            return(-1);
        }
Exemple #7
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 /// <summary>
 /// devCom übergibt via setReceiveBuffer() Referenz auf den zu verwendenden Empfangspuffer
 /// </summary>
 /// <param name="rRecBuff">Instanzierter receiveBuffer</param>
 public void setReceiveBuffer(ThreadsafeReceiveBuffer rRecBuff)
 {
     recBuff = rRecBuff;
 }
Exemple #8
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        private void init_members()
        {
            available = false;
            watchDog = new System.Timers.Timer(readTimeoutDefaultMs);
            watchDog.Enabled = false;
            watchDog.AutoReset = true;
            watchDog.Elapsed += new System.Timers.ElapsedEventHandler(onReadTimeOut);

            recBuffer = new ThreadsafeReceiveBuffer();
            hwInterface.setReceiveBuffer(recBuffer);
        }
Exemple #9
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 public void setReceiveBuffer(ThreadsafeReceiveBuffer rReceiveBuffer)
 {
     recBuffer = rReceiveBuffer;
 }