private bool readBlocks(int i, string path, string fileName, ref string msg, ref List <byte> instrList)
{
FileInfo fi = new FileInfo(Path.Combine(path, fileName));
if (!fi.Exists || fi.Length < 26) // file size min 26 byte (file header + 2 instructions)
{
msg = "File not found or to small:\n-> " + fi.FullName;
return(true);
}
FileStream fs = new FileStream(fi.FullName, FileMode.Open);
BinaryReader br = new BinaryReader(fs);
COBFileHeader header = new COBFileHeader(
br.ReadByte(), br.ReadByte(),
br.ReadByte(), br.ReadBoolean(),
br.ReadUInt32(), br.ReadUInt32(),
br.ReadByte(),
br.ReadChar(), br.ReadChar());
br.ReadByte(); // read reserved byte
if (header.FileTag[0] != 'O' || header.FileTag[1] != 'B')
{
br.Close();
fs.Close();
msg = "File is no CKT-PLC Object file or is corupted!\n-> " + fi.Name;
return(true);
}
else if (header.CompilerVersion > PLCCPU.CPU_VERSION)
{
br.Close();
fs.Close();
msg = "The Compiler version is not supported from this CPU!\nFILE: " + header.CompilerVersion.ToString() + " | CPU: " + PLCCPU.CPU_VERSION;
return(true);
}
else if (header.BlockType != eBlockType.PB) //TODO: add the other Blocktypes when ready
{
br.Close();
fs.Close();
msg = "File has a not supported Block type!\n-> " + fi.Name;
return(true);
}
else if (header.InstrCount < 2)
{
br.Close();
fs.Close();
msg = "File has not enough instructions!\nCOUNT = " + header.InstrCount + "\n-> " + fi.Name;
return(true);
}
BlockInfo tmp = m_BlockOverview[i];
tmp.CompilerVersion = header.CompilerVersion;
m_BlockOverview.Remove(i);
m_BlockOverview.Add(i, tmp);
if (m_BlockOverview[i].isActive && header.isActive)
{
msg += "\nNAME: " + fi.Name.ToUpper();
msg += "\nSIZE: " + fi.Length;
msg += " | INSTR: " + header.InstrCount;
msg += "\nDATE: " + fi.LastWriteTime;
List <byte> BlockInstrList = new List <byte>((int)(header.InstrCount * INSTR_SIZE));
int j = 0;
while (br.PeekChar() != -1)
{
BlockInstrList.Add(br.ReadByte());
if (BlockInstrList[j] == 0)
{
msg = "No CPU command found, File corupted!\n-> " + fi.Name;
return(true);
}
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
j += INSTR_SIZE;
}
br.Close();
fs.Close();
if (BlockInstrList.Count != header.InstrCount * INSTR_SIZE)
{
msg = "Instruction count from file not correct!\nFILE SHOULD: " + header.InstrCount +
"\nFILE HAS: " + (BlockInstrList.Count / INSTR_SIZE) +
"\n-> " + fi.Name;
return(true);
}
foreach (byte b in BlockInstrList)
{
instrList.Add(b);
}
}
else
{
msg += "\nFile is not active!";
msg += "\nNAME: " + fi.Name.ToUpper();
msg += "\nSIZE: " + fi.Length;
msg += " | INSTR: " + header.InstrCount;
msg += "\nDATE: " + fi.LastWriteTime;
}
Console.Clear();
Console.WriteLine("Object file loaded:");
Console.WriteLine(msg);
Console.ReadKey();
return(false);
}
private bool readBlocks(int i, string path, string fileName, ref string msg, ref List<byte> instrList)
{
FileInfo fi = new FileInfo(Path.Combine(path, fileName));
if (!fi.Exists || fi.Length < 26) // file size min 26 byte (file header + 2 instructions)
{
msg = "File not found or to small:\n-> " + fi.FullName;
return true;
}
FileStream fs = new FileStream(fi.FullName, FileMode.Open);
BinaryReader br = new BinaryReader(fs);
COBFileHeader header = new COBFileHeader(
br.ReadByte(), br.ReadByte(),
br.ReadByte(), br.ReadBoolean(),
br.ReadUInt32(), br.ReadUInt32(),
br.ReadByte(),
br.ReadChar(), br.ReadChar());
br.ReadByte(); // read reserved byte
if (header.FileTag[0] != 'O' || header.FileTag[1] != 'B')
{
br.Close();
fs.Close();
msg = "File is no CKT-PLC Object file or is corupted!\n-> " + fi.Name;
return true;
}
else if (header.CompilerVersion > PLCCPU.CPU_VERSION)
{
br.Close();
fs.Close();
msg = "The Compiler version is not supported from this CPU!\nFILE: " + header.CompilerVersion.ToString() + " | CPU: " + PLCCPU.CPU_VERSION;
return true;
}
else if (header.BlockType != eBlockType.PB) //TODO: add the other Blocktypes when ready
{
br.Close();
fs.Close();
msg = "File has a not supported Block type!\n-> " + fi.Name;
return true;
}
else if (header.InstrCount < 2)
{
br.Close();
fs.Close();
msg = "File has not enough instructions!\nCOUNT = " + header.InstrCount + "\n-> " + fi.Name;
return true;
}
BlockInfo tmp = m_BlockOverview[i];
tmp.CompilerVersion = header.CompilerVersion;
m_BlockOverview.Remove(i);
m_BlockOverview.Add(i, tmp);
if (m_BlockOverview[i].isActive && header.isActive)
{
msg += "\nNAME: " + fi.Name.ToUpper();
msg += "\nSIZE: " + fi.Length;
msg += " | INSTR: " + header.InstrCount;
msg += "\nDATE: " + fi.LastWriteTime;
List<byte> BlockInstrList = new List<byte>((int)(header.InstrCount * INSTR_SIZE));
int j = 0;
while (br.PeekChar() != -1)
{
BlockInstrList.Add(br.ReadByte());
if (BlockInstrList[j] == 0)
{
msg = "No CPU command found, File corupted!\n-> " + fi.Name;
return true;
}
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
BlockInstrList.Add(br.ReadByte());
j += INSTR_SIZE;
}
br.Close();
fs.Close();
if (BlockInstrList.Count != header.InstrCount * INSTR_SIZE)
{
msg = "Instruction count from file not correct!\nFILE SHOULD: " + header.InstrCount +
"\nFILE HAS: " + (BlockInstrList.Count / INSTR_SIZE) +
"\n-> " + fi.Name;
return true;
}
foreach (byte b in BlockInstrList)
instrList.Add(b);
}
else
{
msg += "\nFile is not active!";
msg += "\nNAME: " + fi.Name.ToUpper();
msg += "\nSIZE: " + fi.Length;
msg += " | INSTR: " + header.InstrCount;
msg += "\nDATE: " + fi.LastWriteTime;
}
Console.Clear();
Console.WriteLine("Object file loaded:");
Console.WriteLine(msg);
Console.ReadKey();
return false;
}
