Here is a few asm CRC routines:

http://www.piclist.com/techref/microchip/crcs.htm


---- Original Message ----
From: rostaman <rostaman@ONEBOX.COM>
Sent: Monday, February 19, 2001 23:13:10
  To: PICLIST@MITVMA.MIT.EDU
Subj: [PIC]: i2c Error Checking Considerations

> Hi, all.
> I am about to implement error checking on top
> of the PIC's i2c MSSP subsystem.  I have a
> C language snippet of CRC-16 (divisor polynomial
> x^16 + x^5 + x^2 + 1), and am wondering if anybody
> is using this.  If so, is there assembly source
> available on the web?  If not, what is commonly
> used in the i2c world for handling bit flips between
> master and slave?

> Thanks!
> Ross

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