internal static LogixTag CreateQuickTag(string Address, LogixProcessor Processor, ushort Elements)
{
if (Address.Contains(".") || Address.Contains("["))
{
return CreateLongTag(Address, Processor, Elements);
}
LogixTagInfo ti = Processor.GetInfoForTag(Address);
if (ti == null)
return null;
if (ti.IsStructure)
{
//We need to build an information object about this type
//The first two bytes are a handle to the structure...
ushort structureId = Processor.GetStructureHandle(Address);
//Now we can send a request to get the attributes...
TemplateInfo tempInfo = ReadStructAttributes(structureId, Processor);
LogixTag st = CreateStructTag(Address, Processor, Elements, tempInfo);
st.TagInfo = ti;
}
else
{
LogixTag at = null;
switch ((CIPType)ti.DataType)
{
case CIPType.BITS:
case CIPType.BOOL:
at = new LogixBOOL(Address, Processor, Elements); break;
case CIPType.SINT:
at = new LogixSINT(Address, Processor, Elements); break;
case CIPType.INT:
at = new LogixINT(Address, Processor, Elements); break;
case CIPType.DINT:
at = new LogixDINT(Address, Processor, Elements); break;
case CIPType.LINT:
at = new LogixLINT(Address, Processor, Elements); break;
case CIPType.REAL:
at = new LogixREAL(Address, Processor, Elements); break;
default:
break; //Unknown type...
}
if (at != null)
{
at.TagInfo = ti;
return at;
}
}
return null;
}
internal static TemplateInfo GetTemplateInfo(string Address, LogixProcessor Processor, ushort Elements)
{
//lock (Processor.SyncRoot)
{
ReadDataServiceReply lgxRead = LogixServices.ReadLogixData(
Processor.SessionInfo, Address, Elements);
if (lgxRead == null)
return null;
if (lgxRead.Data == null)
return null;
if (lgxRead.Status != 0x00 && lgxRead.Status != 0x06)
{
return null;
}
//The first two bytes are the type...
CIPType tagType = (CIPType)lgxRead.DataType;
if (tagType == CIPType.STRUCT)
{
//We need to build an information object about this type
//The first two bytes are a handle to the structure...
ushort structureId = Processor.GetStructureHandle(Address);
//Now we can send a request to get the attributes...
TemplateInfo ti = ReadStructAttributes(structureId, Processor);
return ti;
}
}
return null;
}
internal static LogixTag CreateLongTag(string Address, LogixProcessor Processor, ushort Elements)
{
//It doesn't exist in the list, maybe it was added later?
//lock (Processor.SyncRoot)
{
ReadDataServiceReply lgxRead = LogixServices.ReadLogixData(
Processor.SessionInfo, Address, Elements);
if (lgxRead == null)
return null;
if (lgxRead.Data == null)
return null;
if (lgxRead.Status != 0x00 && lgxRead.Status != 0x06)
{
return null;
}
//The first two bytes are the type...
CIPType tagType = (CIPType)lgxRead.DataType;
if (tagType == CIPType.STRUCT)
{
//We need to build an information object about this type
//The first two bytes are a handle to the structure...
ushort structureId = Processor.GetStructureHandle(Address);
//Now we can send a request to get the attributes...
TemplateInfo ti = ReadStructAttributes(structureId, Processor);
return CreateStructTag(Address, Processor, Elements, ti);
}
else
{
switch (tagType)
{
case CIPType.BITS:
case CIPType.BOOL:
return new LogixBOOL(Address, Processor, Elements);
case CIPType.SINT:
return new LogixSINT(Address, Processor, Elements);
case CIPType.INT:
return new LogixINT(Address, Processor, Elements);
case CIPType.DINT:
return new LogixDINT(Address, Processor, Elements);
case CIPType.LINT:
return new LogixLINT(Address, Processor, Elements);
case CIPType.REAL:
return new LogixREAL(Address, Processor, Elements);
default:
break; //Unknown type...
}
}
return null;
}
}
