"If you want to use the 8-bit CRC, just do it and accept the consequences."


There is no choice on using the Maxim 1-wire parts, since they generate CRC8 internally.

I use this method:

<pre>
uchar crc8 (uchar crc, uchar n)
{
n ^= crc;
crc = 0;
if( n & 0x01 ) crc = 0x5E;
if( n & 0x02 ) crc ^= 0xBC;
if( n & 0x04 ) crc ^= 0x61;
if( n & 0x08 ) crc ^= 0xC2;
if( n & 0x10 ) crc ^= 0x9D;
if( n & 0x20 ) crc ^= 0x23;
if( n & 0x40 ) crc ^= 0x46;
if( n & 0x80 ) crc ^= 0x8C;
return crc;
}


Peter