private static void DumpEeprom(
IKW1281Dialog kwp1281, ushort startAddr, ushort length, byte maxReadLength, string fileName)
{
bool succeeded = true;
using (var fs = File.Create(fileName, maxReadLength, FileOptions.WriteThrough))
{
for (uint addr = startAddr; addr < (startAddr + length); addr += maxReadLength)
{
var readLength = (byte)Math.Min(startAddr + length - addr, maxReadLength);
var blockBytes = kwp1281.ReadEeprom((ushort)addr, (byte)readLength);
if (blockBytes == null)
{
blockBytes = Enumerable.Repeat((byte)0, readLength).ToList();
succeeded = false;
}
fs.Write(blockBytes.ToArray(), 0, blockBytes.Count);
fs.Flush();
}
}
if (!succeeded)
{
Logger.WriteLine();
Logger.WriteLine("**********************************************************************");
Logger.WriteLine("*** Warning: Some bytes could not be read and were replaced with 0 ***");
Logger.WriteLine("**********************************************************************");
Logger.WriteLine();
}
}
private void ReadEeprom(IKW1281Dialog kwp1281, uint address)
{
UnlockControllerForEepromReadWrite(kwp1281);
var blockBytes = kwp1281.ReadEeprom((ushort)address, 1);
if (blockBytes == null)
{
Logger.WriteLine("EEPROM read failed");
}
else
{
var value = blockBytes[0];
Logger.WriteLine(
$"Address {address} (${address:X4}): Value {value} (${value:X2})");
}
}
private void MapCcmEeprom(IKW1281Dialog kwp1281)
{
kwp1281.Login(19283, 222);
var bytes = new List <byte>();
const byte blockSize = 1;
for (int addr = 0; addr <= 65535; addr += blockSize)
{
var blockBytes = kwp1281.ReadEeprom((ushort)addr, blockSize);
blockBytes = Enumerable.Repeat(
blockBytes == null ? (byte)0 : (byte)0xFF,
blockSize).ToList();
bytes.AddRange(blockBytes);
}
var dumpFileName = _filename ?? "ccm_eeprom_map.bin";
Logger.WriteLine($"Saving EEPROM map to {dumpFileName}");
File.WriteAllBytes(dumpFileName, bytes.ToArray());
}
// End top-level commands
private void MapClusterEeprom(IKW1281Dialog kwp1281)
{
// Unlock partial EEPROM read
_ = kwp1281.SendCustom(new List <byte> {
0x9D, 0x39, 0x34, 0x34, 0x40
});
var bytes = new List <byte>();
const byte blockSize = 1;
for (ushort addr = 0; addr < 2048; addr += blockSize)
{
var blockBytes = kwp1281.ReadEeprom(addr, blockSize);
blockBytes = Enumerable.Repeat(
blockBytes == null ? (byte)0 : (byte)0xFF,
blockSize).ToList();
bytes.AddRange(blockBytes);
}
var dumpFileName = _filename ?? "eeprom_map.bin";
Logger.WriteLine($"Saving EEPROM map to {dumpFileName}");
File.WriteAllBytes(dumpFileName, bytes.ToArray());
}
