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Re: [Discuss-gnuradio] Capturing data to file
From: |
Angilberto Muniz Sb |
Subject: |
Re: [Discuss-gnuradio] Capturing data to file |
Date: |
Wed, 22 Mar 2006 11:29:07 -0800 (PST) |
John,
Try this:
...
from gnuradio import gru
...
mux = gru.hexint(0xf0f0f0f0)
...
It works for me...
Angilberto.
--- jjw <address@hidden> wrote:
>
> Has anybody had any experience using the
> capture_to_file.py code from KD7LMO?
> (http://kd7lmo.net/ground_gnuradio_software.html) I
> am interested in the
> functionality to set up an IF frequency and
> bandwidth and dump the data to a
> file. When I have attempted to run the program I
> have encountered the
> following error....
>
> address@hidden ~]$ ./capture_to_file.py
> narrowband_256k_complex.dat
> 10.7 250 30
> Capturing 7680000 samples
> Traceback (most recent call last):
> File "./capture_to_file.py", line 67, in ?
> main (sys.argv[1:])
> File "./capture_to_file.py", line 63, in main
> fg = build_graph (filename, IF_freq_hz,
> decim_rate, samples)
> File "./capture_to_file.py", line 38, in
> build_graph
> src = usrp.source_c (0, decim, 1, mux)
> File
>
"/home/jjw27370/gr/lib/python2.4/site-packages/gnuradio/usrp.py",
> line 242, in __init__
> fpga_filename, firmware_filename)
> File
>
"/home/jjw27370/gr/lib/python2.4/site-packages/gnuradio/usrp1.py",
> line 1208, in source_c
> return _usrp1.source_c(*args)
> TypeError: in method 'source_c', argument 4 of type
> 'int'
>
>
> It seems there is something wrong with the way that
> mux is declared in the
> capture_to_file.py code (0xf0f0f0f0). According to
> Dawai Shen's tutorial on
> USRP (http://www.nd.edu/~dshen/GNU/Tutorial/4.html)
> 0xf0f0f0f0 should be a
> valid combination to use. Maybe I am missing some
> trivial detail or maybe
> this code was designed for an older version of GNU
> Radio, but if anybody
> could shed some light on this issue or maybe knows
> of a better program for
> capturing data to a file, it would be helpful.
>
> Thanks,
> John
> --
> View this message in context:
>
http://www.nabble.com/Capturing-data-to-file-t1325900.html#a3538604
> Sent from the GnuRadio forum at Nabble.com.
>
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
>
http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
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