Subject: Re: Please advice for USB interaction
To: Marco Ferra <mferra@gmail.com>
From: Jachym Holecek <freza@dspfpga.com>
List: tech-misc
Date: 04/13/2006 01:03:23
# Marco Ferra 2006-04-13:
> > You may want to provide more detailed information for more detailed
> > advice. Oh, at such a low sampling rate, anything like USB and Unix
> > sounds like terrible overkill.
> 
> Yes, it's probably a bit overkill.  The interface is not important,
> but for example, most laptop's don't bring a parallel or a serial port
> and usb is the only solution.

Good point. Laptop manufacturers should be punished for that...

> I think that the best solution is build
> a specific device using, for example, Cypress EZseries of USB
> controllers and go from there.

Actually, you can get ARM based SoC chips with both USB device port
and an ADC (not sure the Cypress has one) -- Atmel AT91SAM7A3 is
an example (I don't have personal experience with this one, though).

	-- Jachym