On 02/20/2011 10:22 AM, Oliver Seitz wrote:
How about UDF? It is international standard, and supports read and write access 
on almost every recent operating system. I have not looked at the internals 
yet, but from a first glance this is a clear suggestion.


I've just had a chance to review the wikipedia page on UDF.

It looks like UDF supports write/overwrite functions unlike ISO9660, if you use the packet writing mode.

It does look like OS implementation is spotty at best, however (which you seem to care about more than I do).

This document is the specification to the UDF filesystem: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-167.pdf

This link may help explain it better: http://homepage.mac.com/wenguangwang/myhome/udf.html


If it is possible to implement on a PIC.

I'm no expert on filesystems, however... this one does not look hard to implement.

An interesting side effect of adding this filesystem to Jallib (if someone decides to take up the task), would be the ability to read many modern cds and dvds, which brings intriguing new hardware possibilities.

Lyos Gemini Norezel

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