Re: SD-MMC writing FAT


Rocky wrote:

Have I misunderstood the requirements relating to SD / MMC for updating
a sector?

Yes. The card is smart (unlike, say, SSFDC).

[Note, by the way, that this would be outside the scope of DOSFS - it
belongs in physical format management. But in this particular case
there is no complication for you to deal with. I will - as soon as I
can sanitize it - be releasing the SD/MMC code I use underneath DOSFS.
It's adapted from a couple of sources].

.

Relevant Pages

  • Re: SD-MMC writing FAT
    ... The card is smart (unlike, say, SSFDC). ... [Note, by the way, that this would be outside the scope of DOSFS - it ... can sanitize it - be releasing the SD/MMC code I use underneath DOSFS. ...
    (comp.arch.embedded)
  • mounting DosFs on sd card
    ... when i register my SD card driver using xbddevcreatesync its calling ... The dosFs is mounted properly if the SD card contains the boot sector ...
    (comp.os.vxworks)