Forum: GNU Radio Programming USRP FPGA

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B7ef65b717b3717d37a365635b9aba03?d=identicon&s=25 pradeepbhat (Guest)
on 2007-01-07 01:46
(Received via mailing list)
hello,

I am a newbie to GNURADIO. I have installed the gnuradio on cygwin. All
the
example codes run fine. I also have the installed USRP and the example
codes
for USRP are up and running. I just wanted to know how do you go about
Programming/reprogramming  the FPGA in the USRP board using the VERILOG
in
Altera Quartus 2 Software.

Thanks in Advance

Pradeep


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745d8202ef5a58c1058d0e5395a78f9c?d=identicon&s=25 Eric Blossom (Guest)
on 2007-01-07 03:05
(Received via mailing list)
On Sat, Jan 06, 2007 at 04:45:40PM -0800, pradeepbhat wrote:
>
> Pradeep

Hi Pradeep, welcome!

If by programming you mean how do you get a particular fpga
configuration loaded into the fpga, the host side library loads either
the default or the specific ".rbf" file named in the constructor of
usrp.source_c and usrp.sink_c.  This happens over the USB.


If you want to know who to build custom FPGA bitstreams, then it's best
to start with existing top level code in
usrp/fpga/toplevel/usrp_std/usrp_std.v and go from there.
You can find brief directions on building the existing code in
usrp/README

I hope this helped!

Eric
3ea9e42a0efc5875b2b181ce22c9c410?d=identicon&s=25 Steve Kuhlmann (Guest)
on 2007-01-07 04:59
(Received via mailing list)
Hello.  Previously I reported a problem with the cygwin instructions,
using
the latest wxPython the demo no longer worked.  I ignored this and went
on.
I then had a problem with the make step in Portaudio,  "Memory barriers
are
not defined on this system".   I also ignored this and had no further
problems and have a working USRP with BasicRX.

Using rabbit-ears inside a building, and no preamp, I can get the
strongest
FM stations and hear the audio from strong TV stations as well.  I see
the
video signals in the FFT from TV stations.

Steve Kuhlmann
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