PPP was Re: Webserver Graphics in flash.

[Joel Sherrill]

Matthew J Fletcher wrote:
> 
> Hi,.
> 
> >If you have patches to the PPP please submit them.  The PPP
> >was merged in the "something is better than nothing" mode.
> 
> I noticed, but i dont have patches, just hacks, that might well
> break stuff, (but it seems to work ok). I think it would be much
> cleaner to do a proper port of ppp2.4.0.

Quite possibly.  The initialization should be the hard part.  
 
> If anyone wants the code i currently have i can mail it directly
> (it does work, but its untested on anybody elses kit).

If you email it to me or upload it to the ftp site, I will review it
and worst case, put it in contrib.
 
> >Jennifer and I have had discussions about converting the IMFS
> >a flash based filesystem.  If you can follow some general
> >guidelines, then it should not be that bad to accomplish.
> >Basically, it needs to (1) not assume it can write directly
> >to memory and (2) go through an interface to manage blocks.
> >There probably needs to be caching & scheduling layers to
> >avoid conflicts on the device.
> 
> My ideas are for a pretty full filesystem, it would provide a proper
> abstraction layer in the same way that imfs does (i.e user would just do
> read/write etc). I was not going to do any caching i was just going to lock
> the
> device and have the user re-try (during the erase),..)
> 
> But i have got a quite well defined allocation methord. If you could send,..
> me the guidelines and and plans you have i will add what i can.

See separate post for details.

> 
> ---
> Matthew J Fletcher
> NPD Firmware
> ---
> 
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-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
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