CRC checks for SD cards

Arnout Vandecappelle arnout at mind.be
Wed Jun 16 12:03:41 UTC 2010


On Wednesday 16 June 2010 13:30:16, Leon Pollak wrote:
> On Wednesday June 16 2010, Arnout Vandecappelle wrote:
> >  Hoi all,
> >  
> >  I'm going to add CRC checks (and retries) to the SD card driver.  Has
> > 
> > anybody done this before?  I don't think there is a CRC library in
> > RTEMS that I can reuse, right?
> > 
> >  Regards,
> >  Arnout
> 
> I use attached. But there are several in the internet.

 SD cards use CRC7 and CRC16, not CRC32 :-)

 And I already have CRC library code, I just don't want to introduce code 
duplication in RTEMS.

 Regards,
 Arnout
-- 
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
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