[En-Nut-Discussion] MMC Card interface to Ethernut

[Peter Kunst]

Hello again,

If the link was useful for you, you should also checkout these:

http://home.t-online.de/home/holger.klabunde/avr/MiniFAT.zip
http://home.wtal.de/Mischka/MMC/

If you are in a hurry and it is for buisiness:
http://www.prllc.com/prllc_homemainFlash.htm


//P.


> -----Oorspronkelijk bericht-----
> Van: en-nut-discussion-bounces at egnite.de
> [mailto:en-nut-discussion-bounces at egnite.de]Namens Pearless
> Verzonden: zaterdag 2 oktober 2004 0:27
> Aan: 'Ethernut User Chat (English)'
> Onderwerp: RE: [En-Nut-Discussion] MMC Card interface to Ethernut
>
>
> Hi,
>
> The code there is interesting, and is read only and doesnot
> appear to handle
> directories, etc, but it may well help.
>
> I am looking at the MS Specs for FAT and I will probably just
> attempt FAT16,
> but may do FAT12 and FAT32, depends on the time available.
>
> Thanks, Douglas
>
> -----Original Message-----
> From: en-nut-discussion-bounces at egnite.de
> [mailto:en-nut-discussion-bounces at egnite.de] On Behalf Of Peter Kunst
> Sent: Saturday, 2 October 2004 4:10 a.m.
> To: Ethernut User Chat (English)
> Subject: RE: [En-Nut-Discussion] MMC Card interface to Ethernut
>
> Check this!
>
> http://www.ulrichradig.de
>
> Under AVR projecte -> mmc-sd
>
> Cheers,
> Peter
>
>
> > -----Oorspronkelijk bericht-----
> > Van: en-nut-discussion-bounces at egnite.de
> > [mailto:en-nut-discussion-bounces at egnite.de]Namens Simon Clarke
> > Verzonden: vrijdag 1 oktober 2004 18:03
> > Aan: Ethernut User Chat (English)
> > Onderwerp: Re: [En-Nut-Discussion] MMC Card interface to Ethernut
> >
> >
> > Pearless wrote:
> >
> > > Hi people,
> > >
> > >
> > >
> > > I now have a MMC card (32MB) attached to an Ethernut 1.3g (v2.1 only
> > > just arrived today) via SPI (total cost of hardware excluding the
> > > card is about USD$5).
> > >
> > >
> > >
> > > I can interrogate the card and all of its internal registers,
> > > parameters and read sectors.
> > >
> > >
> > >
> > > I am now working out how to access the FAT16 file system (one of
> > > four possible file systems under the MMCA specs, te other being
> ‘universal’
> > > and ‘unknown’).
> > >
> > >
> > >
> > > I note that there is also an option for up to 4 partitions under the
> > > ‘hard disk like’ file system.
> > >
> > > Has anyone **ever** come across the ‘Hard disk like file system’
> > > being used on a MMC card as my research seems to indicate this is
> > > more common with compact flash cards???
> > >
> > >
> > >
> > > When it all seems to work, I intend to release it as a Ethernut
> > > project, unless there is more immediate interest then I will share
> > > the pre-alpha code.
> > >
> > >
> > >
> > > Douglas
> > >
> > >
> > >
> > >
> > >
> > >
> > > ---
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> > >_______________________________________________
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> > >
> > >
> > this may be of some help or guidance , although it's in german , and
> > looks as if only read is implemented fat 16
> >
> > http://www.ulrichradig.de/index.html
> >
> > Simon
> >
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