private byte getCheckDigit(List <byte> cmdCombined)
{
bool[] bits = BitConverterEx.GetBits(cmdCombined[0]);
for (int j = 1; j < cmdCombined.Count; j++)
{
for (byte i = 0; i < 8; i++)
{
bits[i] ^= BitConverterEx.TestB(cmdCombined[j], i);
}
}
return(BitConverterEx.ConvertToByte(bits));
}