private byte getHeaderByteValue(FileHeaderField a_fileHeaderField)
{
byte bValue = 0;
bValue |= a_fileHeaderField.m_data[0];
return(bValue);
}
/// <summary>
/// This method consumes the file header and returns a new FileHeaderField each
/// time it is called until all fields has been consumed. If the last field has been
/// read a FileHeaderField with ID=0xFF is returned.
/// </summary>
/// <param name="a_fileStream">The FileStream to read from.</param>
/// <returns>A FileHeaderField.</returns>
private FileHeaderField readField(FileStream a_fileStream)
{
FileHeaderField fhf = new FileHeaderField();
a_fileStream.Position -= 1;
fhf.m_fieldLength = (byte)a_fileStream.ReadByte();
a_fileStream.Position -= 2;
fhf.m_fieldID = (byte)a_fileStream.ReadByte();
if (fhf.m_fieldID == 0xFF)
{
return(fhf);
}
for (int i = 0; i < fhf.m_fieldLength; i++)
{
try
{
a_fileStream.Position -= 2;
fhf.m_data[i] = (byte)a_fileStream.ReadByte();
}
catch (Exception E)
{
logger.Debug("Failed to read header field: " + E.Message);
}
}
a_fileStream.Position -= 1;
return(fhf);
}
/// <summary>
/// This method tranforms the data of a FileheaderField to a string.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <returns>A string representing the information in the FileHeaderField.</returns>
private string getHeaderString(FileHeaderField a_fileHeaderField)
{
Encoding ascii = Encoding.ASCII;
ascii.GetChars(a_fileHeaderField.m_data, 0, a_fileHeaderField.m_fieldLength);
return(ascii.GetString(a_fileHeaderField.m_data, 0, a_fileHeaderField.m_fieldLength));
}
private int getHeaderSmallIntValue(FileHeaderField a_fileHeaderField)
{
int intValue = 0;
intValue |= a_fileHeaderField.m_data[0];
intValue <<= 8;
intValue |= a_fileHeaderField.m_data[1];
return(intValue);
}
/// <summary>
/// This method sets the information in a four byte field to represent a integer value.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <param name="a_value">The value that the field should contain.</param>
private void setHeaderIntValue(FileHeaderField a_fileHeaderField, int a_value)
{
a_fileHeaderField.m_data[3] = (byte)a_value;
a_value >>= 8;
a_fileHeaderField.m_data[2] = (byte)a_value;
a_value >>= 8;
a_fileHeaderField.m_data[1] = (byte)a_value;
a_value >>= 8;
a_fileHeaderField.m_data[0] = (byte)a_value;
}
/// <summary>
/// This method writes a FileHeaderField to the file header.
/// </summary>
/// <param name="a_fileStream">The FileStream to write to.</param>
/// <param name="a_fhf">The FileHeaderField.</param>
private void writeField(FileStream a_fileStream, FileHeaderField a_fhf)
{
a_fileStream.Position -= 3; // Skip ID and length
for (int i = 0; i < a_fhf.m_fieldLength; i++)
{
a_fileStream.WriteByte(a_fhf.m_data[i]);
a_fileStream.Position -= 2;
}
a_fileStream.Position += 1;
}
private void writeFieldIncludingDetails(FileStream a_fileStream, FileHeaderField a_fhf)
{
a_fileStream.Position -= 1;
// write length
a_fileStream.WriteByte(a_fhf.m_fieldLength);
a_fileStream.Position -= 2;
// write ID
a_fileStream.WriteByte(a_fhf.m_fieldID);
a_fileStream.Position -= 2; // Skip ID and length
for (int i = 0; i < a_fhf.m_fieldLength; i++)
{
a_fileStream.WriteByte(a_fhf.m_data[i]);
a_fileStream.Position -= 2;
}
a_fileStream.Position += 1;
}
/// <summary>
/// This method consumes the file header and returns a new FileHeaderField each
/// time it is called until all fields has been consumed. If the last field has been
/// read a FileHeaderField with ID=0xFF is returned.
/// </summary>
/// <param name="a_fileStream">The FileStream to read from.</param>
/// <returns>A FileHeaderField.</returns>
private FileHeaderField readField(FileStream a_fileStream)
{
FileHeaderField fhf = new FileHeaderField();
a_fileStream.Position -= 1;
fhf.m_fieldLength = (byte)a_fileStream.ReadByte();
a_fileStream.Position -= 2;
fhf.m_fieldID = (byte)a_fileStream.ReadByte();
if (fhf.m_fieldID == 0xFF)
{
return(fhf);
}
for (int i = 0; i < fhf.m_fieldLength; i++)
{
a_fileStream.Position -= 2;
fhf.m_data[i] = (byte)a_fileStream.ReadByte();
}
a_fileStream.Position -= 1;
return(fhf);
}
private byte getHeaderByteValue(FileHeaderField a_fileHeaderField)
{
byte bValue = 0;
bValue |= a_fileHeaderField.m_data[0];
return bValue;
}
private void writeFieldIncludingDetails(FileStream a_fileStream, FileHeaderField a_fhf)
{
a_fileStream.Position -= 1;
// write length
a_fileStream.WriteByte(a_fhf.m_fieldLength);
a_fileStream.Position -= 2;
// write ID
a_fileStream.WriteByte(a_fhf.m_fieldID);
a_fileStream.Position -= 2; // Skip ID and length
for (int i = 0; i < a_fhf.m_fieldLength; i++)
{
a_fileStream.WriteByte(a_fhf.m_data[i]);
a_fileStream.Position -= 2;
}
a_fileStream.Position += 1;
}
private int getHeaderSmallIntValue(FileHeaderField a_fileHeaderField)
{
int intValue = 0;
intValue |= a_fileHeaderField.m_data[0];
intValue <<= 8;
intValue |= a_fileHeaderField.m_data[1];
return intValue;
}
private byte[] getHeaderDateValue(FileHeaderField a_fileHeaderField)
{
byte[] value = new byte[5];
value = a_fileHeaderField.m_data;
return value;
}
private byte[] getHeaderDateValue(FileHeaderField a_fileHeaderField)
{
byte[] value = new byte[5];
value = a_fileHeaderField.m_data;
return(value);
}
private void setHeaderDateValue(FileHeaderField a_fileHeaderField, byte[] a_value)
{
a_fileHeaderField.m_data = a_value;
}
/// <summary>
/// This method consumes the file header and returns a new FileHeaderField each
/// time it is called until all fields has been consumed. If the last field has been
/// read a FileHeaderField with ID=0xFF is returned.
/// </summary>
/// <param name="a_fileStream">The FileStream to read from.</param>
/// <returns>A FileHeaderField.</returns>
private FileHeaderField readField(FileStream a_fileStream)
{
FileHeaderField fhf = new FileHeaderField();
a_fileStream.Position -= 1;
fhf.m_fieldLength = (byte) a_fileStream.ReadByte();
a_fileStream.Position -= 2;
fhf.m_fieldID = (byte) a_fileStream.ReadByte();
if (fhf.m_fieldID == 0xFF)
return fhf;
for (int i = 0; i < fhf.m_fieldLength; i++)
{
a_fileStream.Position -= 2;
fhf.m_data[i] = (byte)a_fileStream.ReadByte();
}
a_fileStream.Position -= 1;
return fhf;
}
/// <summary>
/// This method tranforms the data of a FileheaderField to a string.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <returns>A string representing the information in the FileHeaderField.</returns>
private string getHeaderString(FileHeaderField a_fileHeaderField)
{
Encoding ascii = Encoding.ASCII;
ascii.GetChars(a_fileHeaderField.m_data, 0, a_fileHeaderField.m_fieldLength);
return ascii.GetString(a_fileHeaderField.m_data, 0, a_fileHeaderField.m_fieldLength);
}
private void setHeaderDateValue(FileHeaderField a_fileHeaderField, byte[] a_value)
{
a_fileHeaderField.m_data = a_value;
}
/// <summary>
/// This method sets the data in a FileHeaderField to the values given by a string.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <param name="a_string">The string to set.</param>
private void setHeaderString(FileHeaderField a_fileHeaderField, string a_string)
{
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
byte[] bytes = encoding.GetBytes(a_string);
a_fileHeaderField.m_data = bytes;
}
private void CreateNewFooter(string a_filename, bool create9B, bool create9C, bool createF2)
{
if (!File.Exists(a_filename))
{
return;
}
FileStream fs = new FileStream(a_filename, FileMode.Open, FileAccess.ReadWrite);
fs.Seek(0, SeekOrigin.End);
long writePos;
fileLength = fs.Position;
writePos = fs.Position;
FileHeaderField fhf = new FileHeaderField();
fhf.m_fieldID = (byte)0x91;
fhf.m_fieldLength = (byte)m_vehicleidnr.Length;
setHeaderString(fhf, m_vehicleidnr);
writeFieldIncludingDetails(fs, fhf);
// fs.Position = writePos;
fhf.m_fieldID = (byte)0x94;
fhf.m_fieldLength = (byte)m_partNumber.Length;
setHeaderString(fhf, m_partNumber);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x95;
fhf.m_fieldLength = (byte)m_softwareVersion.Length;
setHeaderString(fhf, m_softwareVersion);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x97;
fhf.m_fieldLength = (byte)m_carDescription.Length;
setHeaderString(fhf, m_carDescription);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x9A;
fhf.m_fieldLength = (byte)m_datemodified.Length;
setHeaderString(fhf, m_datemodified);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
if (create9C)
{
fhf.m_fieldID = (byte)0x9C;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_9cvalue);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
if (create9B)
{
fhf.m_fieldID = (byte)0x9B;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_symboltableaddress);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
if (createF2)
{
fhf.m_fieldID = (byte)0xF2;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_checksumF2);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFB;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_checksumFB);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFC;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_bottomOfFlash);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFD;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_romChecksumType);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFE;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_fwLength);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFA;
fhf.m_fieldLength = (byte)5;
setHeaderDateValue(fhf, m_LastModifiedBy);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x92;
fhf.m_fieldLength = (byte)m_immobilizerID.Length;
setHeaderString(fhf, m_immobilizerID);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x93;
fhf.m_fieldLength = (byte)m_ecuhardwarenr.Length;
setHeaderString(fhf, m_ecuhardwarenr);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF8;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF8);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF7;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF7);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF6;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF6);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF5;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF5);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x90;
fhf.m_fieldLength = (byte)m_chassisID.Length;
setHeaderString(fhf, m_chassisID);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x99;
fhf.m_fieldLength = (byte)m_testserialnr.Length;
setHeaderString(fhf, m_testserialnr);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x98;
fhf.m_fieldLength = (byte)m_enginetype.Length;
setHeaderString(fhf, m_enginetype);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF9;
fhf.m_fieldLength = 1;
fhf.m_data = new byte[1];
fhf.m_data.SetValue(m_RomChecksumError, 0);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fs.Close();
logger.Debug("New header created");
}
private void CreateNewFooter(string a_filename, bool create9B, bool create9C, bool createF2)
{
if (!File.Exists(a_filename))
return;
FileStream fs = new FileStream(a_filename, FileMode.Open, FileAccess.ReadWrite);
fs.Seek(0, SeekOrigin.End);
long writePos;
fileLength = fs.Position;
writePos = fs.Position;
FileHeaderField fhf = new FileHeaderField();
fhf.m_fieldID = (byte)0x91;
fhf.m_fieldLength = (byte)m_vehicleidnr.Length;
setHeaderString(fhf, m_vehicleidnr);
writeFieldIncludingDetails(fs, fhf);
// fs.Position = writePos;
fhf.m_fieldID = (byte)0x94;
fhf.m_fieldLength = (byte)m_partNumber.Length;
setHeaderString(fhf, m_partNumber);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x95;
fhf.m_fieldLength = (byte)m_softwareVersion.Length;
setHeaderString(fhf, m_softwareVersion);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x97;
fhf.m_fieldLength = (byte)m_carDescription.Length;
setHeaderString(fhf, m_carDescription);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x9A;
fhf.m_fieldLength = (byte)m_datemodified.Length;
setHeaderString(fhf, m_datemodified);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
if (create9C)
{
fhf.m_fieldID = (byte)0x9C;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_9cvalue);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
if (create9B)
{
fhf.m_fieldID = (byte)0x9B;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_symboltableaddress);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
if (createF2)
{
fhf.m_fieldID = (byte)0xF2;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_checksumF2);
writeFieldIncludingDetails(fs, fhf);
}
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFB;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_checksumFB);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFC;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_bottomOfFlash);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFD;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_romChecksumType);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFE;
fhf.m_fieldLength = 4;
setHeaderIntValue(fhf, m_fwLength);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xFA;
fhf.m_fieldLength = (byte)5;
setHeaderDateValue(fhf, m_LastModifiedBy);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x92;
fhf.m_fieldLength = (byte)m_immobilizerID.Length;
setHeaderString(fhf, m_immobilizerID);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x93;
fhf.m_fieldLength = (byte)m_ecuhardwarenr.Length;
setHeaderString(fhf, m_ecuhardwarenr);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF8;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF8);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF7;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF7);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF6;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF6);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF5;
fhf.m_fieldLength = 2;
setHeaderSmallIntValue(fhf, m_valueF5);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x90;
fhf.m_fieldLength = (byte)m_chassisID.Length;
setHeaderString(fhf, m_chassisID);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x99;
fhf.m_fieldLength = (byte)m_testserialnr.Length;
setHeaderString(fhf, m_testserialnr);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0x98;
fhf.m_fieldLength = (byte)m_enginetype.Length;
setHeaderString(fhf, m_enginetype);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fhf.m_fieldID = (byte)0xF9;
fhf.m_fieldLength = 1;
fhf.m_data = new byte[1];
fhf.m_data.SetValue(m_RomChecksumError, 0);
writeFieldIncludingDetails(fs, fhf);
//fs.Position = writePos;
fs.Close();
Console.WriteLine("New header created");
}
/// <summary>
/// This method writes a FileHeaderField to the file header.
/// </summary>
/// <param name="a_fileStream">The FileStream to write to.</param>
/// <param name="a_fhf">The FileHeaderField.</param>
private void writeField(FileStream a_fileStream, FileHeaderField a_fhf)
{
a_fileStream.Position -= 3; // Skip ID and length
for (int i = 0; i < a_fhf.m_fieldLength; i++)
{
a_fileStream.WriteByte(a_fhf.m_data[i]);
a_fileStream.Position -= 2;
}
a_fileStream.Position += 1;
}
/// <summary>
/// This method sets the data in a FileHeaderField to the values given by a string.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <param name="a_string">The string to set.</param>
private void setHeaderString(FileHeaderField a_fileHeaderField, string a_string)
{
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
byte[] bytes = encoding.GetBytes(a_string);
a_fileHeaderField.m_data = bytes;
}
/// <summary>
/// This method sets the information in a four byte field to represent a integer value.
/// </summary>
/// <param name="a_fileHeaderField">The FileHeaderField.</param>
/// <param name="a_value">The value that the field should contain.</param>
private void setHeaderSmallIntValue(FileHeaderField a_fileHeaderField, int a_value)
{
a_fileHeaderField.m_data[1] = (byte)a_value;
a_value >>= 8;
a_fileHeaderField.m_data[0] = (byte)a_value;
}
