[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [avr-libc-dev] [bug #37901] CRC-CCITT calculation incorrect

From: Weddington, Eric
Subject: Re: [avr-libc-dev] [bug #37901] CRC-CCITT calculation incorrect
Date: Tue, 11 Dec 2012 14:57:53 +0000

Joerg, do you have any idea how much this function is actually used?

I might be open to doing some renaming, if the pain that it would cause 
existing users is minimal.

I think it would be a good idea to support xmega users too.


> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On
> Behalf Of mojo
> Sent: Tuesday, December 11, 2012 7:29 AM
> To: Joerg Wunsch; mojo; address@hidden
> Subject: [avr-libc-dev] [bug #37901] CRC-CCITT calculation incorrect
> Follow-up Comment #2, bug #37901 (project avr-libc):
> Okay, but in that case I think that needs to be made clear.
> The standard CCITT CRC should produce an endian and bit-order independent
> result that is compatible with other implementations. I understand that it
> is
> designed to be compatible with the IRDA standard, but it appears to be a
> mistake on their part or at least the result of confusion over which
> version
> people are usually referring to by that name.
> As I pointed out, the biggest issue for me is that it is incompatible with
> the
> XMEGA CRC module's implementation. Renaming the functions is probably out
> of
> the question now, but the documentation should at least be amended to make
> it
> clear which one you might want to use. There are lots of threads on AVR
> Freaks
> from confused programmers wondering why it doesn't work.
>     _______________________________________________________
> Reply to this item at:
>   <http://savannah.nongnu.org/bugs/?37901>
> _______________________________________________
>   Message sent via/by Savannah
>   http://savannah.nongnu.org/
> _______________________________________________
> AVR-libc-dev mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/avr-libc-dev

reply via email to

[Prev in Thread] Current Thread [Next in Thread]