EmbeddedRelated.com
Forums

SD/MMC card driver for LPC2378

Started by Hima April 4, 2008
Hi,

I´m trying to write a block-driver for mmc/sd cards on the LPC2378, using
the 4-bit mode.
Does anybody have some experience in writing such a driver and
is there any sample code available to use as a starting point?

Regards,

Hima



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hima wrote:
> Hi, > > I´m trying to write a block-driver for mmc/sd cards on the LPC2378, using > the 4-bit mode. > Does anybody have some experience in writing such a driver and > is there any sample code available to use as a starting point? >
If you want 4-bit mode you're going to have to pay for the spec. There's going to be no (legal) sample code. - -- Brendan Gillatt | GPG Key: 0xBF6A0D94 brendan {a} brendangillatt (dot) co (dot) uk http://www.brendangillatt.co.uk -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) iD8DBQFH9qGSuv4tpb9qDZQRAoXaAJ9uby7kzSkMcwQnE5+qpnoAzz84nQCfY1xD xCsFyISfh4PogQCE1eVFJmo= =1grp -----END PGP SIGNATURE-----
Le Fri, 04 Apr 2008 13:01:12 -0500, Hima a écrit:

> Hi, > > I´m trying to write a block-driver for mmc/sd cards on the LPC2378, using > the 4-bit mode. > Does anybody have some experience in writing such a driver and > is there any sample code available to use as a starting point? > > Regards, > > Hima
Hi ! As Brendan says, i think you have to pay for Full SDIO specs although you might consider 'Simplified SDIO specs' available on sdcard.org Best regards, -- HBV
Hi,

There was an interesting demo on Circuit Cellar, some 2005 issue.

If you beed more details, just let me know (Of course, not 4 bit mode!)

-- 

Jaime Andres Aranguren C.
SanJaaC Electronics
Soluciones en DSP
www.sanjaac.com


"Habib Bouaziz-Viallet" <habib@rigel.systems> escribi&#4294967295; en el mensaje 
news:47f75d45$0$1603$426a34cc@news.free.fr...
> Le Fri, 04 Apr 2008 13:01:12 -0500, Hima a &#4294967295;crit: > >> Hi, >> >> I&#4294967295;m trying to write a block-driver for mmc/sd cards on the LPC2378, using >> the 4-bit mode. >> Does anybody have some experience in writing such a driver and >> is there any sample code available to use as a starting point? >> >> Regards, >> >> Hima > Hi ! > > As Brendan says, i think you have to pay for Full SDIO specs although you > might consider 'Simplified SDIO specs' available on sdcard.org > > Best regards, > > -- > HBV
-- Posted via a free Usenet account from http://www.teranews.com
Jaime Andres Aranguren Cardona wrote:
> > There was an interesting demo on Circuit Cellar, some 2005 issue. > If you beed more details, just let me know (Of course, not 4 bit > mode!)
Please do not top-post. Your answer belongs after (or intermixed with) the quoted material to which you reply, after snipping all irrelevant material. See the following links: -- <http://www.catb.org/~esr/faqs/smart-questions.html> <http://www.caliburn.nl/topposting.html> <http://www.netmeister.org/news/learn2quote.html> <http://cfaj.freeshell.org/google/> (taming google) <http://members.fortunecity.com/nnqweb/> (newusers) -- Posted via a free Usenet account from http://www.teranews.com