On 8 Sep 2005 at 15:21, Chops wrote:

> On Sep 8, 2005, at 12:25 PM, Gerhard Fiedler wrote:
> 
> > I'm looking for a /hardware/ device with a serial interface to
> > replace the notebook PC that we are using now.
> 
> Traditionally, logging serial data at 115200bps to anything other
> than ram is relatively difficult.  There's not a lot that can be
> done in the less than 100 us between characters, and most "storage"
> code isn't very happy being interrupted every 100us either.  Windows
> "solves" this problem by demanding uarts with deep HW fifos...
> 

	Asynchronous 115200 bits per second is 11520 bytes per second.
	It could be stored in uP RAM and SPIed to a SD-card memory, 
512 bytes each time.
	I'm currently working on a project for a client using an Atmel
ATmega8 to do that kind of thing.

	Mark Jordan

	

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