[En-Nut-Discussion] CRC32 Lib

Moritz Struebe morty at gmx.net
Wed Jun 25 16:51:01 CEST 2008


Alain M. schrieb:
> Hi,
> As for most embedded there is more Flash than RAM, could there be a 
> variant with a predefined contant table?

I think that is possible. I avoided it, because I only use it in the 
bootloader and the table is 1K. Further on it will make it platform 
dependant. But it shouldn't be a big deal to add a static lookuptable 
once it's added to Nut/OS. :-)

> A slow but small variant could also be usefull for some embedded, both 
> block or incremental.

?! I don't exactly know what you mean.


> I am just suggesting, don't think that I am not gratefull :)
> Thanks,
> Alain
> Moritz Struebe escreveu:
>> Hi there,
>> I've written an high performance CRC32 lib (at least I couldn't find a 
>> faster one). At the moment it's GPL. In case someone want's it to be 
>> added to Nut/OS I might be able to be persuaded to release it under BSD.
>> http://www.avrfreaks.net/index.php?module=Freaks%20Files&func=viewFile&id=2954&showinfo=1
>> Cheers
>> Morty
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