@Nathan:

Yes, of course.

@Alan:

Of course not, the structure passed to init can be set up to describe the required algorithm.

But the partial update situation can be useful for protocols where the message is fragmented (eg radio transceivers with short FIFOs), or where only some fields enter the crc (I have seen this happen several times). you cant call the global crc() function on several buffers in sequence if bits are inverted on crc output.

Sebastien

On 7/15/22 20:21, Nathan Hartman wrote:
On Fri, Jul 15, 2022 at 1:40 PM Alan Carvalho de Assis
<acas...@gmail.com> wrote:
Hi Sebastien, I think we don't need these three functions for each
CRC, just one like in the Linux kernel is enough:

https://www.kernel.org/doc/htmldocs/kernel-api/API-crc-ccitt.html

BR,

Alan

Could have one generic function and then thin wrappers that call it
with the correct parameters for different uses.

Cheers,
Nathan

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