Lpc2000

If you receive it through a serial communication via Xmodem you do not
need a FS. Just send your log data within Xmodem protocol to your PC
where your PC application stores this data into a file. It is simple!

  Sten

--- In lpc2000@yahoogroups.com, Samuel <emddjava@y...> wrote:
>
> I will be recieving the File via Xmodem on the PC, any
> help on how I can implement a virtual filesystem?
> 
> --- Sten <list@n...> 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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