Ejemplo n.º 1
0
 private void Cleanup()
 {
     this._datatypeTable.Clear();
     if (this._symbolTable.Count > 0)
     {
         uint[]          numArray = new uint[this._symbolTable.Count];
         int             index    = 0;
         SymbolInfoTable table    = this;
         lock (table)
         {
             foreach (KeyValuePair <string, TcAdsSymbol> pair in this._symbolTable)
             {
                 if (index < numArray.Length)
                 {
                     if (pair.Value.IndexGroup == 0xf005L)
                     {
                         index++;
                         numArray[index] = (uint)pair.Value.IndexOffset;
                         continue;
                     }
                     index++;
                     numArray[index] = 0;
                 }
             }
             this._symbolTable.Clear();
         }
         for (int i = 0; i < index; i++)
         {
             this._adsClient.RawInterface.Write(0xf006, 0, numArray[i], false);
         }
     }
 }
Ejemplo n.º 2
0
        public AdsErrorCode TryGetSymbol(string symbolPath, bool bLookup, out ITcAdsSymbol symbol)
        {
            if (string.IsNullOrEmpty(symbolPath))
            {
                throw new ArgumentOutOfRangeException("name");
            }
            symbol = null;
            SymbolInfoTable table = this;

            lock (table)
            {
                if (bLookup)
                {
                    TcAdsSymbol symbol2 = null;
                    if (this._symbolTable.TryGetValue(symbolPath, out symbol2))
                    {
                        symbol = symbol2;
                        return(AdsErrorCode.NoError);
                    }
                }
            }
            AdsErrorCode deviceSymbolNotFound = AdsErrorCode.DeviceSymbolNotFound;
            AdsStream    stream = new AdsStream(symbolPath.Length + 1);

            using (AdsBinaryWriter writer = new AdsBinaryWriter(stream))
            {
                writer.WritePlcAnsiString(symbolPath, symbolPath.Length + 1);
                AdsStream rdDataStream = new AdsStream(0xffff);
                int       readBytes    = 0;
                deviceSymbolNotFound = this._adsClient.TryReadWrite(0xf009, 0, rdDataStream, 0, (int)rdDataStream.Length, stream, 0, (int)stream.Length, out readBytes);
                if (deviceSymbolNotFound == AdsErrorCode.NoError)
                {
                    using (AdsBinaryReader reader = new AdsBinaryReader(rdDataStream))
                    {
                        AdsSymbolEntry symbolEntry = new AdsSymbolEntry(-1L, this._encoding, reader);
                        bool           flag2       = true;
                        flag2  = StringComparer.OrdinalIgnoreCase.Compare(symbolPath, symbolEntry.name) == 0;
                        symbol = new TcAdsSymbol(symbolEntry, (TcAdsDataType)this._datatypeTable.ResolveDataType(symbolEntry.type));
                        SymbolInfoTable table2 = this;
                        lock (table2)
                        {
                            this._symbolTable[symbolPath] = (TcAdsSymbol)symbol;
                            if (!flag2 && !this._symbolTable.ContainsKey(symbol.Name))
                            {
                                this._symbolTable[symbol.Name] = (TcAdsSymbol)symbol;
                                string message = $"InstancePath Ambiguity '{symbolPath}' and '{symbol.Name}'!";
                                TwinCAT.Ads.Module.Trace.TraceWarning(message);
                            }
                        }
                    }
                }
            }
            return(deviceSymbolNotFound);
        }