Hi all,
after successful integration and complete working usrp, I got following
error:
sand...@sandeep-desktop:~/gnuradio/gnuradio-examples/python/usrp$ sudo
./usrp_nbfm_rcv.py
Using RX d'board A: DBS Rx
len(rx_chan_coeffs) = 397
>>> gr_fir_ccc: using SSE
len(audio_taps) = 423
>>> gr_fir_fff: using SSE
au*dio_alsa_sink[hw:0,0]: unable to support sampling rate 32000
card requested 44100 instead.*
audio_alsa_sink[hw:0,0]: set_period_time_near failed: Invalid argument
Traceback (most recent call last):
File "./usrp_nbfm_rcv.py", line 382, in <module>
app = stdgui2.stdapp (my_top_block, "USRP NBFM RX")
File "/usr/local/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py",
line 36, in __init__
wx.App.__init__ (self, redirect=False)
File "/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
line 7978, in __init__
self._BootstrapApp()
File "/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
line 7552, in _BootstrapApp
return _core_.PyApp__BootstrapApp(*args, **kwargs)
File "/usr/local/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py",
line 39, in OnInit
frame = stdframe (self.top_block_maker, self.title, self._nstatus)
File "/usr/local/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py",
line 60, in __init__
self.panel = stdpanel (self, self, top_block_maker)
File "/usr/local/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py",
line 81, in __init__
self.top_block = top_block_maker (frame, self, vbox, sys.argv)
File "./usrp_nbfm_rcv.py", line 73, in __init__
self.rxpath = receive_path(options.rx_subdev_spec, options.gain,
options.audio_output)
File "./usrp_nbfm_rcv.py", line 301, in __init__
audio_sink = audio.sink (int(self.audio_rate), audio_output)
File "/usr/local/lib/python2.6/dist-packages/gnuradio/audio_alsa.py", line
299, in sink
return _audio_alsa.sink(*args, **kwargs)
RuntimeError: audio_alsa_sink
I saw same error on discussion board but still unreplied, Kindly please help
me how can rectify this problem.
your effort is appreciated
On Mon, Feb 1, 2010 at 9:07 PM, Gaetano Mendola <mend...@gmail.com> wrote:
> Hi all,
> we are using two USRP2 devices to build a CDMA communication channel,
> at the moment the big issuewe are facing is the error frequency introduced
> coupling two (TX and RX) USRP2 devices.
>
> In order to reduce the frequency error we are using an external 10Mhz
> reference and we are planning to use
> also a PPS source. Can you suggest any out of shelf device able to
> give use both 10MHz and the PPS needed ?
>
>
> Regards
> Gaetano Mendola
>
> --
> cpp-today.blogspot.com
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
--
Thanks.....
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