// Konstruktor
// vsLine enthält aus Datei gelesene Textzeile
public HexFileLine(string vsLine)
{
int i;
uint sum = 0;
Byte twoscompl = 0;
bool Extended_Flag = false;
if (vsLine.Length < 9)
{
throw new Exception("HexZeile zu kurz");
}
if (vsLine[0] != ':')
{
throw new Exception("Zeilenbeginn != ':'");
}
// Anzahl Bytes
this._NumBytes = Convert.ToByte(vsLine.Substring(1, 2), 16);
//sum += (Byte)this._NumBytes;
// Adresse.
this._Address = Convert.ToUInt16(vsLine.Substring(3, 4), 16);
//sum += this._Address;
//MessageBox.Show(sum.ToString());
// Recordtype
i = Convert.ToByte(vsLine.Substring(7, 2), 16);
if (Enum.IsDefined(this._RecordType.GetType(), i))
{
this._RecordType = (HexFile.eRecordType)i;
//sum += (Byte)i;
}
else
{
throw new Exception("unrecognized Recordtype");
}
//MessageBox.Show(this._RecordType.ToString());
switch (this._RecordType)
{
case HexFile.eRecordType.DataRecord:
// Datenbytes einlesen
this._Data = new System.Byte[this._NumBytes];
for (i = 0; i < this._NumBytes; i++)
{
this._Data[i] = Convert.ToByte(vsLine.Substring(HexFileLine.DataOffset + i * 2, 2), 16);
//sum += (Byte)this._Data[i];
}
for (i = 0; i < (vsLine.Length - 3) / 2; i++)
{
sum += Convert.ToByte(vsLine.Substring((i * 2) + 1, 2), 16);
}
// Checksum einlesen
this._Checksum = Convert.ToByte(vsLine.Substring(HexFileLine.DataOffset + this._NumBytes * 2, 2), 16);
//Checksum prüfen
twoscompl = (Byte)(~sum + 1);
//MessageBox.Show(twoscompl.ToString() + " " + this._Checksum.ToString());
if (twoscompl != this._Checksum)
{
this._errorflag = 1;
//MessageBox.Show(Convert.ToString(twoscompl, 2) + " " + Convert.ToString(this._Checksum, 2));
}
break;
case HexFile.eRecordType.EndOfFileRecord:
break;
//case HexFile.eRecordType.ExtendedSegmentAddressRecord:
// this._Address = (System.UInt16)(Convert.ToUInt16(vsLine.Substring(HexFileLine.DataOffset, 4), 16) * 16);
// break;
case HexFile.eRecordType.ExtendedLinearAddressRecord:
Extended_Flag = true;
this._32BitAdress_UpperBytes = (System.UInt16)(Convert.ToUInt16(vsLine.Substring(HexFileLine.DataOffset, 4), 16));
break;
default:
throw new Exception(string.Format("Recordtype '{0:X}' nicht unterstützt", this._RecordType));
}
/*
* if (Extended_Flag)
* {
* this._Adress.UpperBytes = _32BitAdress_UpperBytes;
* }
* */
}
// Konstruktor
// vsLine enthält aus Datei gelesene Textzeile
public HexFileLine(string vsLine)
{
int i;
uint sum = 0;
Byte twoscompl = 0;
bool Extended_Flag = false;
if (vsLine.Length < 9)
throw new Exception("HexZeile zu kurz");
if (vsLine[0] != ':')
throw new Exception("Zeilenbeginn != ':'");
// Anzahl Bytes
this._NumBytes = Convert.ToByte(vsLine.Substring(1, 2), 16);
//sum += (Byte)this._NumBytes;
// Adresse.
this._Address = Convert.ToUInt16(vsLine.Substring(3, 4), 16);
//sum += this._Address;
//MessageBox.Show(sum.ToString());
// Recordtype
i = Convert.ToByte(vsLine.Substring(7, 2), 16);
if (Enum.IsDefined(this._RecordType.GetType(), i))
{
this._RecordType = (HexFile.eRecordType)i;
//sum += (Byte)i;
}
else
throw new Exception("unrecognized Recordtype");
//MessageBox.Show(this._RecordType.ToString());
switch (this._RecordType)
{
case HexFile.eRecordType.DataRecord:
// Datenbytes einlesen
this._Data = new System.Byte[this._NumBytes];
for (i = 0; i < this._NumBytes; i++)
{
this._Data[i] = Convert.ToByte(vsLine.Substring(HexFileLine.DataOffset + i * 2, 2), 16);
//sum += (Byte)this._Data[i];
}
for(i=0 ; i < (vsLine.Length - 3) / 2 ; i++)
{
sum += Convert.ToByte(vsLine.Substring((i * 2)+1 , 2), 16);
}
// Checksum einlesen
this._Checksum = Convert.ToByte(vsLine.Substring(HexFileLine.DataOffset + this._NumBytes * 2, 2), 16);
//Checksum prüfen
twoscompl = (Byte)(~sum + 1) ;
//MessageBox.Show(twoscompl.ToString() + " " + this._Checksum.ToString());
if(twoscompl != this._Checksum)
{
this._errorflag = 1;
//MessageBox.Show(Convert.ToString(twoscompl, 2) + " " + Convert.ToString(this._Checksum, 2));
}
break;
case HexFile.eRecordType.EndOfFileRecord:
break;
//case HexFile.eRecordType.ExtendedSegmentAddressRecord:
// this._Address = (System.UInt16)(Convert.ToUInt16(vsLine.Substring(HexFileLine.DataOffset, 4), 16) * 16);
// break;
case HexFile.eRecordType.ExtendedLinearAddressRecord:
Extended_Flag = true;
this._32BitAdress_UpperBytes = (System.UInt16)(Convert.ToUInt16(vsLine.Substring(HexFileLine.DataOffset, 4), 16));
break;
default:
throw new Exception(string.Format("Recordtype '{0:X}' nicht unterstützt", this._RecordType));
}
/*
if (Extended_Flag)
{
this._Adress.UpperBytes = _32BitAdress_UpperBytes;
}
* */
}
