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Re: [Discuss-gnuradio] Beagleboard

From: Philip Balister
Subject: Re: [Discuss-gnuradio] Beagleboard
Date: Fri, 1 Aug 2008 16:58:18 -0400

>On Fri, Aug 1, 2008 at 3:18 PM, Eric Brombaugh <address@hidden> wrote:
> On Aug 1, 2008, at 10:40 AM, Philip Balister wrote:
>> On Fri, Aug 1, 2008 at 12:04 PM, Eric Cottrell <address@hidden> wrote:
>>> Hello,
>>> There was some interest on this list earlier about the Beagleboard, a
>>> small OMAP3 based board.  I just got one from Digi-key and it is small!
>>> http://beagleboard.org/
>>> Besides the GNURadio aspects this may be a good board for ham radio
>>> digital modem applications like the old TI DSP Evaluation Board that TAPR
>>> used.
>> We have built gnu radio for the beagle board and simple stuff (dial
>> tone) does work (for some sw builds).
>> My list of gnu radio + beagle things to do:
>> 1) Get ASoC sound working.
>> 2) Work out USB sound configuration until 1.
>> 3) Need to use libusb-0.1x. USRP transfer speed test works, but kernel
>> dumps when closing usb interface.
>> 4) figure out how to run make check. Currently, individual tests run
>> with manual intervention.
>> 5) Develop and test a NEON filter implementation.
>> Installing GNU Radio, install the Angstrom images, type "opkg install
>> gnuradio" :) If you have any questions I am on irc.freenode.net in
>> #beagle and #gnuradio.
> That's great. The next thing I'd like to see is someone using the Beagle
> expansion port for a higher bandwidth RF interface. Something to get the
> data rate up beyond the ~30MB/s that the current USRP supports. Seems
> do-able, but would require some new driver and hardware development.

I've been talking to a friend (he knows FPGA stuff much better than
me) about using the expansion port to communicate with an FPGA via a
SDIO interface. I don't think we can beat the current USRP data rate,
but we should be able to reduce the latency introduced by the USB


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