Lpc2000

I will be recieving the File via Xmodem on the PC, any
help on how I can implement a virtual filesystem?

--- Sten <list@...> wrote:

> Charles Manning wrote:
> > On Tuesday 11 October 2005 14:20, Samuel wrote:
> > 
> >>Basically I need to use it to send stuff out from
> the
> >>LPC2294 board to a terminal after logging is done,
> is
> >>the JFFS2 file compatible with that we use in
> windows,
> >>(sorry for my ignorance)
> > 
> > 
> > There are two ways I can think of doing this:
> > 1) USB Mass Storage model: Data gets saved in a
> file on the device. At some 
> > stage, the device gets hooked up to a PC via USB
> Mass Storage interface (like 
> > a USB disk) and the data can be read off.
> > 
> > For this to work, you really need to use FAT
> because the PC has to understand 
> > the file system layout.
> > 
> > 2) Device transfers data via a serial pipe or
> equivalent download mechanism. 
> > The device can store the data in any format (the
> PC does not care) and at 
> > some stage it is connected to the PC, the data is
> dumped, and the file si 
> > purged.
> > 
> > For this model you can store the data in any form.
> > 
> > JFFS2 will work for the second scenario. However
> integrating JFFS2 is quite 
> > hard because it expects Linux or eCOS.
> > 
> 
> Hello,
> 
> how is your data transfered to your PC? If your PC
> depends on visible FS
> on your device (e.g. your device acts as USB mass
> storage device) you
> also can emulate a FS with exactly one file on it.
> Your log data is
> written block-by-block and the PC side read the
> "file" transparently
> through "virtual FAT file system".
> If you upload your data via serial line or something
> else a FS is
> definitely not needed.
> 
>   Sten
> 
> -- 
> /************************************************
>  Do you need a tiny and efficient real time
>  operating system (RTOS) with a preemtive
>  multitasking for LPC2000 or AT91SAM7?
> 
>    http://nanortos.net-attack.de/
> 
>  Or some open-source tools and code for LPC2000?
> 
>    http://www.net-attack.de/
> 
> ************************************************/
> 



	
		
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