Re: [Discuss-gnuradio] Standalone USRP1 Operation

[Philip Balister]

Robert Cicconetti wrote:
> On Fri, Apr 24, 2009 at 1:39 PM, Eric Blossom <address@hidden> wrote:
> > On Thu, Apr 23, 2009 at 11:43:19PM -0700, Firas A. wrote:
> > > My question is, has anyone tried to load USRP FPGA image without a PC? For
> > > example using a micro-controller (Like Microchip PIC 18F4550 which has USB
> > > 2.0  port) with SD memory holding the image?
> > This might work.  The control end point works in both USB 2.0 and USB
> > 1.1 mode.  As long as you were only using that, you could probably get
> > the FX2 image and the FPGA image loaded.
> >
> > It's worth a try.
>
> Atmel has a similar part (AT90USB1287) and has a devkit, AT90USBKEY,
> that might save you some work. It's a USB OTG 2.0 device, $30, has the
> right dongle, and has a pair of 64Mbit flash chips on board. The power
> supply is spec'd to 8-15V, but might be coaxed to run off something
> lower. Digikey/Mouser/Arrow stocks 'em.

You might find a lower cost solution, but by the time you get it 
working, you may have been better off using the over. I have downloaded 
firmware from the Overo to the USRP via USB. The bonus is you can run 
gnuradio on the Overo if needed.

Philip

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