Subject:
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Re: Wishlist for next pbLua Beta
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Sat, 4 Aug 2007 17:23:45 GMT
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Viewed:
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23500 times
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In lugnet.robotics.nxt, Ralph Hempel wrote:
> > > > 1. Filesystem (storing chunks and data at NXT)
> >
> > I'm looking at this now. Files to be stored in FLASH.
>
> This is getting uglier and more complicated than I like. By the
> time I add a simple FAT12 file system, and link in the standard
> Lua IO library, the code size is getting big and I'm not sure
> there's much real benefit.
>
> I could do a very simple file system that lets you load a block
> of FLASH memory to read a directory, and then after that reading
> files is a bit easier.
>
> The downside is that you may have to "prepare" a set of files
> on your host machine then download them in bulk to save changes.
>
> It's not the best solution, but I need to compromise between
> complexity, code size, and getting SOMETHING that looks like
> a file system into the FLASH.
My thought would be to aim for a filesystem designed for flash use, like yaffs (
http://www.yaffs.net/ ). That particular filesystem is licensed under GPL and
might be uncomfortably large too, I'm not sure, but it's structured more
appropriately than FAT. I haven't looked very closely at the one used by Lego's
firmware.
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Message is in Reply To:
 | | Re: Wishlist for next pbLua Beta
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| I'm getting stuck implementing some features for the next pbLua release, and I'd like some opinions on what is really necessary... (...) This is getting uglier and more complicated than I like. By the time I add a simple FAT12 file system, and link (...) (18 years ago, 22-Apr-07, to lugnet.robotics.nxt)
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