Lpc2000

Except that the FAT table is usually updated on every write for the 
last-accessed and/or last-written fields.  But if you can get source code 
for a filesystem layer then you should be able to modify it to remove that 
update.

-- Sean

At 04:36 PM 1/17/2006, you wrote:
>Carsten Grøn wrote:
> > Sean,
> > the reason (for me) would be that it would be simpler on the LPC
> > board, no need for FAT etc (I'm actually also looking into prllc's FAT
> > implementation with SD support at $139,- which I think is very
> > reasonable). Also I'm a little worried that the card will be "killed"
> > by problems with write-endurance (if using FAT, the FAT tables are
> > written very often), and if used as a circular buffer, each sector
> > will be written (relatively) seldom.
> >
> > Regards,
> > Carsten
>
>Perhaps you could get the best of both worlds. Format the card with
>a FAT file system containing one large file. If the micro only writes
>bytes within that file, and the format is understood within that
>file by both the micro, and the Windows app. the OS need only
>know that there is a file there, not how to interpret it.
>
>The circular buffering will just occur within the large binary
>area that is 'the file'.
>
>Dave