Hello all, I have some problems with GNURadio and my USRP board when I use the usrp_wfm_rcv demo application. I have the error below: audio_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: Argument invalide
Traceback (most recent call last):
File "./usrp_wfm_rcv.py", line 268, in <module>
app = stdgui.stdapp (wfm_rx_graph, "USRP WFM RX")
File "/usr/lib/python2.5/site-packages/gnuradio/wxgui/stdgui.py", line 36, in __init__
wx.App.__init__ (self, redirect=False)
File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7912, in __init__
self._BootstrapApp()
File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7487, in
_BootstrapApp
return _core_.PyApp__BootstrapApp(*args, **kwargs)
File "/usr/lib/python2.5/site-packages/gnuradio/wxgui/stdgui.py", line 39, in OnInit
frame = stdframe (self.flow_graph_maker, self.title, self._nstatus)
File "/usr/lib/python2.5/site-packages/gnuradio/wxgui/stdgui.py", line 60, in __init__
self.panel = stdpanel (self, self, flow_graph_maker)
File "/usr/lib/python2.5/site-packages/gnuradio/wxgui/stdgui.py", line 81, in __init__
self.fg = flow_graph_maker (frame, self, vbox, sys.argv)
File "./usrp_wfm_rcv.py", line 93, in __init__
False) # ok_to_block
File "/usr/lib/python2.5/site-packages/gnuradio/audio_alsa.py", line 228, in sink
return _audio_alsa.sink(*args)
RuntimeError: audio_alsa_sink
I have tested the mono_tone application with success and I can listen the tone. I have checked that my sound card is not in use by some other
application. Do you have any idea ?
Thanks in advance. Patrick |