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starterware_02_00_00_06 uses old version of FatFs

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rader
Posted by
on Aug 07 2012 13:07 PM
Prodigy175 points

I noticed that staterware_02_00_00_06 uses FatFs version R0.04b from May 5, 2007 (startware_2000_00_006/third_part/fatfs/src)

Looking at the developer site for FatFs, i see FatFs is currently at R0.09 (Sep 06, 2011)

From reading the release notes, some of the updates were feature enhancements, but others sounded like bug fixes.

Is there any plans to update the starterware/third_party/fatfs in the near future ?

is there any reason why I should not consider updating to the latest version of FatFs in my environment ?

regards

rader

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  • rader
    Posted by
    on Aug 09 2012 19:00 PM
    Prodigy175 points

    It appears that newest release of starterware_02_00_00_07 (Aug 2012) is still using FatFs version R0.04b as well.

    The new starterware did make some adjusts to support the new starterware variable #define SOC_CACHELINE_SIZE_MAX
    This variable is "spread" throughout the new starterware and as far as i can tell is not specific to FatFs. Looks like FatFs was simply
    "tweaked" to match the latest starterware.

     

    Was there a technical reason that FatFs was not updated in this round of Starterware updates, or was it simply a resource limitation.
    Basically i am hunting for answers or clues if there are problems with the newer version of FatFs, otherwise, we may upgrade to it ourselves.
    thanks
    regards
    rader 
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  • Sujith KV
    Posted by
    on Aug 12 2012 23:49 PM
    Verified Answer
    Verified by
    Intellectual2505 points

    Hi Rader,

    You are correct. Unfortunately, the latest StarterWare also uses older version of FatFs. There is no technical reasons for the same. It should be possible to be upgraded to the latest version.

    As you mentioned, the macro SOC_CACHELINE_SIZE_MAX is introduced in some structures in FatFs. This is just to support Data Cache enabling. The buffers which are used for DMA are aligned to cache-line size and their sizes made to multiple of cache-line size. This shall be taken care of when porting the latest version also.

    Regards,

    Sujith

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  • Jon Peterson
    Posted by
    on Sep 26 2012 07:17 AM
    Expert1730 points

    Any sense of when TI will update third_party/fatfs to the Aug 27, 2012 R0.09a version in StarterWare?

    This could be made available as a standalone update as the fatfs support is self-contained; just a thought.

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