public ContentWindowDataBlockEditor(object myBlock)
{
InitializeComponent();
this.myBlock = (Block)myBlock;
myBlockString = this.myBlock.ToString();
if (myBlock is S7DataBlock)
{
S7DataBlock blk = (S7DataBlock)myBlock;
dtaViewControl.DataBlockRows = ((S7DataRow)blk.Structure);
}
else if (myBlock is S5DataBlock)
{
S5DataBlock blk = (S5DataBlock)myBlock;
dtaViewControl.DataBlockRows = ((S7DataRow)blk.Structure);
}
}
public static S5DataBlock GetDB(ProjectPlcBlockInfo blkInfo, byte[] block, byte[] preHeader, byte[] commentBlock)
{
S5DataBlock retVal = new S5DataBlock();
retVal.BlockType = blkInfo.BlockType;
retVal.BlockNumber = blkInfo.BlockNumber;
S7DataRow main = new S7DataRow("STATIC", S7DataRowType.STRUCT, retVal);
retVal.Structure = main;
var zeilenListe = new List <S7DataRow>();
if (preHeader != null)
{
int akcnt = 0;
//S7DataRowType akRwTp = (S7DataRowType) (preHeader[9] | 0xf00);
int anzTypes = (((preHeader[6] * 256 + preHeader[7]) - 2) / 2); //How many different Types are in the Header
for (int n = 1; n <= anzTypes; n++)
{
int rowStart = preHeader[(n - 1) * 4 + 10] * 256 + preHeader[(n - 1) * 4 + 11];
int rowStop = preHeader[n * 4 + 10] * 256 + preHeader[n * 4 + 11];
var akRwTp = (S7DataRowType)(preHeader[9 + (n - 1) * 4] | 0xf00);
if (akRwTp == S7DataRowType.S5_C || akRwTp == S7DataRowType.S5_KC)
{
for (int j = rowStart; j < rowStop; j += 24)
{
var row = new S7DataRow(string.Empty, akRwTp, retVal);
row.StringSize = rowStop - j > 12 ? 24 : (rowStop - j) * 2;
main.Add(row);
for (int q = 0; q < (row.StringSize / 2); q++)
{
zeilenListe.Add(row);
}
}
}
else if (akRwTp == S7DataRowType.S5_KG)
{
for (int j = rowStart; j < rowStop; j += 2)
{
var row = new S7DataRow(string.Empty, akRwTp, retVal);
main.Add(row);
zeilenListe.Add(row);
zeilenListe.Add(row);
}
}
else
{
for (int j = rowStart; j < rowStop; j += 1)
{
var row = new S7DataRow(string.Empty, akRwTp, retVal);
main.Add(row);
zeilenListe.Add(row);
}
}
}
}
try
{
int st = 10;
int maxZ = (block[8] * 256 + block[9]);
int n = 0;
while (n < maxZ - 5)
//foreach (var s7DataRow in main.Children)
{
S7DataRow s7DataRow;
if (zeilenListe.Count > n)
{
s7DataRow = zeilenListe[n];
}
else
{
s7DataRow = new S7DataRow(string.Empty, S7DataRowType.S5_KH, retVal);
main.Add(s7DataRow);
}
switch (s7DataRow.DataType)
{
case S7DataRowType.S5_KF:
s7DataRow.Value = libnodave.getS16from(block, st);
break;
case S7DataRowType.S5_KZ:
s7DataRow.Value = libnodave.getBCD16from(block, st);
break;
case S7DataRowType.S5_KM:
s7DataRow.Value = libnodave.getU16from(block, st);
break;
case S7DataRowType.S5_KH:
s7DataRow.Value = libnodave.getU16from(block, st);
break;
case S7DataRowType.S5_KY:
s7DataRow.Value = libnodave.getU16from(block, st);
break;
case S7DataRowType.S5_KG:
s7DataRow.Value = libnodave.getS5Floatfrom(block, st);
break;
case S7DataRowType.S5_KC:
case S7DataRowType.S5_C:
s7DataRow.Value = System.Text.ASCIIEncoding.ASCII.GetString(block, st, s7DataRow.StringSize);
break;
case S7DataRowType.S5_KT:
s7DataRow.Value = libnodave.getS5Timefrom(block, st);
break;
default:
s7DataRow.Value = libnodave.getU16from(block, st);
break;
}
st += s7DataRow.ByteLength;
n += s7DataRow.ByteLength / 2;
}
}
catch (Exception ex)
{ }
try
{
if (commentBlock != null && main._children != null && main._children.Count > 0)
{
int nr = 28;
int hdlen = 0x7f & commentBlock[nr];
retVal.Name = System.Text.Encoding.GetEncoding("ISO-8859-1").GetString(commentBlock, nr + 1, hdlen);
nr += hdlen + 1;
while (nr + 3 < commentBlock.Length)
{
int zeile = ((commentBlock[nr + 1] - 128) * 256) + commentBlock[nr];
int len = 0x7f & commentBlock[nr + 2];
string cmt = System.Text.Encoding.GetEncoding("ISO-8859-1").GetString(commentBlock, nr + 3, len);
//main._children[zeile].Comment = cmt;
zeilenListe[zeile].Comment = cmt;
nr += len + 3;
}
}
}
catch (Exception ex)
{
MessageBox.Show("There was an error parsing the Block Comments! Maybe the Step5 project is broken? \n" + ex.Message);
}
return(retVal);
}
