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

Ole Reinhardt ole.reinhardt at kernelconcepts.de
Sat Oct 2 09:35:41 CEST 2004


Hi,

> What tools did you use to do that?

I've connected an sd / mmc cardreader to my linux box. On Linux the card
is shown as scsi interface (emulation). You can now use fdisk to create
a partition table and mkdosfs to create a filesystem in one of your
partitions. I also have a card with an ext2 filesystem created in the
same way.

Btw: If you'd like to implement fat16 why not directly fat32. I'll
search if i have some code you could use. Would be great to have a block
device i/o and file system functionality also for bigger devices on
NutOS (we could use the same code on a CF card too.)

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