public static int GetPLCBlockTypeForBlockList(DataTypes.PLCBlockType myTP)
{
switch (myTP)
{
case DataTypes.PLCBlockType.OB:
return('8');
case DataTypes.PLCBlockType.DB:
return('A');
case DataTypes.PLCBlockType.SDB:
return('B');
case DataTypes.PLCBlockType.FC:
return('C');
case DataTypes.PLCBlockType.SFC:
return('D');
case DataTypes.PLCBlockType.FB:
return('E');
case DataTypes.PLCBlockType.SFB:
return('F');
}
throw new Exception("Unkown PLCBlockType");
}
public PLCBlockName(string blockName)
{
string tmp = blockName.ToUpper().Trim().Replace(" ", "");
string block = "";
int nr = 0;
//SDB's are the only block types with 3 letter digits
if (tmp.StartsWith("SDB"))
{
block = tmp.Substring(0, 3);
nr = Int32.Parse(tmp.Substring(3));
}
else
{
block = tmp.Substring(0, 2);
nr = Int32.Parse(tmp.Substring(2));
}
DataTypes.PLCBlockType blk = DataTypes.PLCBlockType.AllBlocks; //Preset with default (in this case invalid) block type
switch (block)
{
case "FC":
blk = DataTypes.PLCBlockType.FC;
break;
case "FB":
blk = DataTypes.PLCBlockType.FB;
break;
case "DB":
blk = DataTypes.PLCBlockType.DB;
break;
case "OB":
blk = DataTypes.PLCBlockType.OB;
break;
case "SDB":
blk = DataTypes.PLCBlockType.SDB;
break;
}
if (blk == PLCBlockType.AllBlocks)
{
throw new NotSupportedException("Unsupported Block type!");
}
if (nr < 0)
{
throw new NotSupportedException("Unsupported Block number!");
}
if (nr > 99999)
{
throw new NotSupportedException("Unsupported Block number!"); //Maximum number for requests to S7 plcs is usually 5 digits
}
BlockNumber = nr;
BlockType = blk;
}
//
internal static S7DataRow GetInterface(byte[] interfaceBytes, byte[] actualvalueBytes, ref List <String> ParaList, DataTypes.PLCBlockType blkTP, bool isInstanceDB, S7Block myBlk)
{
S7DataRow parameterRoot = new S7DataRow("ROOTNODE", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterIN = new S7DataRow("IN", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterOUT = new S7DataRow("OUT", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterINOUT = new S7DataRow("IN_OUT", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterSTAT = new S7DataRow("STATIC", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterTEMP = new S7DataRow("TEMP", S7DataRowType.STRUCT, myBlk);
S7DataRow parameterRETVAL = new S7DataRow("RET_VAL", S7DataRowType.STRUCT, myBlk);
parameterRoot.Add(parameterIN);
parameterRoot.Add(parameterOUT);
parameterRoot.Add(parameterINOUT);
if (blkTP == DataTypes.PLCBlockType.FB || (blkTP == DataTypes.PLCBlockType.DB && isInstanceDB))
{
parameterRoot.Add(parameterSTAT);
}
if (blkTP != DataTypes.PLCBlockType.DB)
{
parameterRoot.Add(parameterTEMP);
}
parameterRoot.Add(parameterRETVAL);
parameterRoot.ReadOnly = true;
if (blkTP == DataTypes.PLCBlockType.DB && !isInstanceDB)
{
parameterRoot = parameterSTAT;
}
int INp = 0;
int OUTp = 0;
int IN_OUTp = 0;
int STATp = 0;
int TEMPp = 0;
int StackNr = 1;
int pos = 7;
int Valpos = 0;
S7DataRow akParameter = parameterRoot;
ParaList.Clear();
while (pos <= (interfaceBytes.Length - 2)) // && pos < BD.Length - 2) //pos<BD.Length-2 was added so SDBs can be converted!! but is this needed?
{
object startVal;
if (Helper.IsWithStartVal(interfaceBytes[pos + 1]))
{
if (interfaceBytes[pos] != 0x10) //Datentyp == Array...
{
startVal = GetVarTypeVal(interfaceBytes[pos], actualvalueBytes, ref Valpos);
}
else
{
Valpos = Valpos + 6;
startVal = GetVarTypeVal(interfaceBytes[pos + 3 + (interfaceBytes[pos + 2] * 4)], actualvalueBytes, ref Valpos);
}
}
else
{
startVal = null;
}
switch (interfaceBytes[pos + 1])
{
case 0x01:
case 0x09:
{
GetVarTypeEN(parameterIN, startVal, interfaceBytes[pos], false, false, "IN" + Convert.ToString(INp), interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "IN", ref INp, ref Valpos, myBlk);
}
break;
case 0x02:
case 0x0A:
{
GetVarTypeEN(parameterOUT, startVal, interfaceBytes[pos], false, false, "OUT" + Convert.ToString(OUTp), interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "OUT", ref OUTp, ref Valpos, myBlk);
}
break;
case 0x03:
case 0x0b:
{
GetVarTypeEN(parameterINOUT, startVal, interfaceBytes[pos], false, false, "IN_OUT" + Convert.ToString(IN_OUTp), interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "IN_OUT", ref IN_OUTp, ref Valpos, myBlk);
}
break;
case 0x04:
case 0x0C:
{
GetVarTypeEN(parameterSTAT, startVal, interfaceBytes[pos], false, false, "STAT" + Convert.ToString(STATp), interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "STAT", ref STATp, ref Valpos, myBlk);
}
break;
case 0x05:
{
GetVarTypeEN(parameterTEMP, startVal, interfaceBytes[pos], false, false, "TEMP" + Convert.ToString(TEMPp), interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "TEMP", ref TEMPp, ref Valpos, myBlk);
}
break;
case 0x06:
{
int tmp = 0;
GetVarTypeEN(parameterRETVAL, startVal, interfaceBytes[pos], false, false, "RET_VAL", interfaceBytes, actualvalueBytes, ref pos, ref ParaList, ref StackNr, "RET_VAL", ref tmp, ref Valpos, myBlk);
}
break;
/*default:
* RETURNIntf = RETURNIntf + Convert.ToString(pos) + " UNKNOWN: " +
* Convert.ToString(BD[pos + 1]) + " " + Convert.ToString(BD[pos]) + startVal +
* "\r\n";
* break;*/
}
pos += 2;
}
return(parameterRoot);
}
