On Wednesday 27 April 2005 10:53, Vukovic, Donald wrote:
> Has anyone ported YAFFS to the Nucleus RTOS ??

I don't know of people specifically using YAFFS with Nucleus, but YAFFS has 
been used successfully with various RTOSs. The YAFFS Direct stuff was written 
specifically for this purpose.

Note that to use YAFFS in this way will likely require a licensing deal 
(unless you're doing a GPL project). See 
http://www.aleph1.co.uk/yaffs/licensing.html

Also see 
http://www.aleph1.co.uk/cgi-bin/viewcvs.cgi/*checkout*/yaffs/Documentation/yaffs_direct.html?rev=HEAD&content-type=text/html

YAFFS direct is pretty well tested since this is the primary method using to 
test yaffs_guts (ie. the internal file system algorithms).

>
> I am just started to try this, and would like to know if this possible.
> ( or just difficult )

It should not be **that** difficult.

The actual RTOS porting just involves filling out a few stub functions to 
provide a locking semaphore etc in direct/yaffscfg.c and of course providing 
some NAND access functions.

-- CHarles