Re: [ECOS] FAT16 for eCos

[Jose Souto <souto at contronics dot com>]

Hi,

It would be very useful if could make it available at least as a third party
project.
We thank you in advance for you kindness.

Jose Luiz

ramanabv@danlawinc.com wrote:

> Hi,
> I can post you the code (Fat16) we have developed and are using. While I can
> say it is working fine, I can't guarantee that it will work straight out for
> you and you may need to adapt it. It does have short comings - there is no
> caching etc.
> There is no support for Fat 12 ( I think) and Other Fats.
> We are using this with PCMCIA compact Flash with ATA command set (Sandisk).
> So let me know if any one is interested.
> regards
> Ramana B.V
> Danlaw Technologies India Ltd
> 43 Sagar Society, Road No 2 Banjara Hills
> Hyderabad - 500034
> India
> http://www.danlawinc.com
>
> -----Original Message-----
> From: brenner joel [mailto:joel.brenner@tchip.com]
> Sent: Wednesday, June 19, 2002 11:46 AM
> To: James.Harris@tekelek.com.au
> Cc: ecos-discuss@sources.redhat.com
> Subject: Re: [ECOS] FAT16 for eCos
>
> James.Harris@tekelek.com.au wrote:
>
> >Hi Joel,
> >
> >I am just about to start on a CompactFlash data logger and will be using
> >FAT12/16 formatting.
> >I am not familiar with the term "MultiMediaCard" (I'm new to flash cards).
> >CompactFlash cards have IDE interface logic on them. SmartMedia cards have
> >contacts like a mobile phone SIM card that simply contains a couple of
> >flash dies.
> >Is the MultiMediaCard you speak of a CompactFlash or SmartMedia card or
> >
> >something else?
> >
> A MultiMediaCard (digital cameras and MP3 players often uses MMC cards)
> is similar to SmartMedia but have a serial interface witch make it
> a good solution for high capacity storage device for small uC based systems.
> The 3
> wire interface can be used in two manners: SPI communication or MMC protocol
> communication.
> The first one reaches 1 Mb/S the seccond one 20 Mb/S but requires a
> dedicated interfacing
> component witch at the moment isn't available, so you have to implement it
> on a FPGA or
> emulating it by SW. The next generation of MultiMediaCards are called SD
> Cards.
>
> >
> >
> >I have started looking around for FAT12/16 code. According to the FAT spec
> >(from the MicroSoft website) a lot of code out there works but is broken in
> >common ways.
> >I'd also be interested in an eCos FAT12/16 driver if you manage to find
> >one, and I'll let you know if I do find one first.
> >
> >Cheers,
> >
> >James
> >
> If I find one I'll send it you, but I think that there aren't. You can find
> an example of FAT12/16/32
> at http://freedos-32.sourceforge.net/fat.html
>
> >
> >
> >
> >|---------+------------------------------------->
> >|         |           brenner joel              |
> >|         |           <joel.brenner@tchip.com>  |
> >|         |           Sent by:                  |
> >|         |           ecos-discuss-owner@sources|
> >|         |           .redhat.com               |
> >|         |                                     |
> >|         |                                     |
> >|         |           19-06-2002 12:45 AM       |
> >|         |                                     |
> >|---------+------------------------------------->
> >
> >---------------------------------------------------------------------------
> ---------------------------------------------------|
> >  |
> |
> >  |       To:       ecos-discuss@sources.redhat.com
> |
> >  |       cc:
> |
> >  |       Subject:  [ECOS] FAT16 for eCos
> |
> >
> >---------------------------------------------------------------------------
> ---------------------------------------------------|
> >
> >
> >
> >
> >Hi all,
> >
> >I am new to eCos,
> >I've to add a MultiMediaCard Driver to eCos. The driver works fine but,
> >to make the MMC readable for "standard" MMC readers,
> >a FAT12/16 file-system should be used.
> >Is there someone who has wrote a FAT16 support for eCos? If yes, it
> >would be possible to receive the necessary source code ?
> >
> >Best regards, Joel Brenner
> >
> >
> >--
> >Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> >and search the list archive: http://sources.redhat.com/ml/ecos-discuss
> >
> >
> >
> >
> >
> >
> >
> >
>
> --
> Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> and search the list archive: http://sources.redhat.com/ml/ecos-discuss
>
> --
> Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
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