private void ImportChildTagsRecursively(Tag parentTag, TcAdsSymbolInfo symbol, int adsPort)
{
while (symbol != null)
{
var tag = new Tag();
try
{
tag = BeckhoffHelper.ConvertSymbolToTag(symbol, adsPort);
tag.Parent = parentTag;
parentTag.Childs.Add(tag);
}
catch (TagException e)
{
Console.WriteLine("Cannot import tags online (will skip it): " + e);
}
if (symbol.SubSymbolCount > 0 && !symbol.IsPointer && !symbol.IsReference)
{
ImportChildTagsRecursively(tag, symbol.FirstSubSymbol, adsPort);
}
symbol = symbol.NextSymbol;
}
}
private Tag ImportTagWithChilds(TcAdsSymbolInfo symbol, int adsPort, HashSet <string> tagHashSet)
{
Tag tag = null;
if (symbol == null)
{
return(tag);
}
try
{
tag = BeckhoffHelper.ConvertSymbolToTag(symbol, adsPort);
}
catch (TagException e)
{
_logger.Warn("Cannot import tags online (will skip it): " + e);
return(tag);
}
// prevent circular reads (endless loop) by checking if the hashset already contains the tag
if ((symbol.IsReference || symbol.IsPointer) && (!tag.MetaData.ReadPointer || tagHashSet.Contains(tag.GetPointerlessFullName())))
{
return(tag);
}
if (tag.MetaData.ReadPointer)
{
tagHashSet.Add(tag.GetPointerlessFullName());
}
tag.FullName();
TcAdsSymbolInfo subSymbol = symbol.FirstSubSymbol;
while (subSymbol != null)
{
Tag subTag = ImportTagWithChilds(subSymbol, adsPort, tagHashSet);
if (subTag != null)
{
tag.Childs.Add(subTag);
subTag.Parent = tag;
}
subSymbol = subSymbol.NextSymbol;
}
return(tag);
}
public Tag ImportTag(string name, int adsPort)
{
_logger.Debug(string.Format("Importing tag '{0}' on port '{1}", name, adsPort));
if (_twinCatClient == null)
{
return(null);
}
var symbol = _twinCatClient.ReadSymbolInfo(name);
if (symbol == null)
{
return(null);
}
Tag result = BeckhoffHelper.ConvertSymbolToTag(symbol, adsPort);
return(result);
}
private object ReadNextDataType(string dataType, int bitSize, AdsBinaryReader binaryReader)
{
return(BeckhoffHelper.ReadDataType(dataType, bitSize, binaryReader));
}
private bool WriteToStream(AdsStream dataStream, Tag tag, object value)
{
var binaryWriter = new AdsBinaryWriter(dataStream);
switch (tag.DataType)
{
case IEC61131_3_DataTypes.Boolean:
if (value is string)
{
value = Boolean.Parse((string)value);
}
binaryWriter.Write((bool)value);
break;
case IEC61131_3_DataTypes.Byte:
binaryWriter.Write((byte)value);
break;
case IEC61131_3_DataTypes.SInt:
binaryWriter.Write(Convert.ToSByte(value));
break;
case IEC61131_3_DataTypes.USInt:
binaryWriter.Write(Convert.ToByte(value));
break;
case IEC61131_3_DataTypes.UInt:
binaryWriter.Write(Convert.ToUInt16(value));
break;
case IEC61131_3_DataTypes.Int:
binaryWriter.Write(Convert.ToInt16(value));
break;
case IEC61131_3_DataTypes.DInt:
binaryWriter.Write((int)value);
break;
case IEC61131_3_DataTypes.LInt:
binaryWriter.Write(Convert.ToInt64(value));
break;
case IEC61131_3_DataTypes.Real:
binaryWriter.Write((float)value);
break;
case IEC61131_3_DataTypes.LReal:
binaryWriter.Write((double)value);
break;
case IEC61131_3_DataTypes.Word:
binaryWriter.Write(Convert.ToUInt16(value));
break;
case IEC61131_3_DataTypes.DWord:
binaryWriter.Write(Convert.ToUInt32(value));
break;
case IEC61131_3_DataTypes.LWord:
binaryWriter.Write(Convert.ToUInt64(value));
break;
case IEC61131_3_DataTypes.ULInt:
binaryWriter.Write(Convert.ToUInt64(value));
break;
case IEC61131_3_DataTypes.UDInt:
binaryWriter.Write(Convert.ToUInt32(value));
break;
default:
// handle STRINT DataType
if (StructuredTextSyntaxRegexHelper.StringDataTypeRegex.IsMatch(tag.DataType))
{
var tmpString = (string)value;
var length = tag.BitSize / 8;
if (tmpString.Length > length)
{
throw new TagException("string is exceeds max defined lenght of " + length, tag);
}
binaryWriter.WritePlcString((string)value, (int)dataStream.Length);
break;
}
if (BeckhoffHelper.IsEnum(tag.DataType, tag.BitSize))
{
binaryWriter.Write(Convert.ToInt16(value));
break;
}
switch (tag.BitSize)
{
case 1:
if (value is string)
{
value = Boolean.Parse((string)value);
}
binaryWriter.Write((bool)value);
break;
case 8:
binaryWriter.Write(Convert.ToByte(value));
break;
case 16:
binaryWriter.Write(Convert.ToUInt16(value));
break;
case 32:
binaryWriter.Write(Convert.ToUInt32(value));
break;
case 64:
binaryWriter.Write(Convert.ToUInt64(value));
break;
default:
return(false);
}
break;
}
return(true);
}
