After running the USRP2 GNU Radio example "usrp2_wfm_rcv.py" I got an error
which I cannot find the solution in internet, any ideas?
Many thanks in advance.
Jorge.
u...@user:/usr/share/gnuradio/examples/usrp2$ ./usrp2_wfm_rcv.py
Using RX d'board 0x0001
gr_remez: band edges must be nondecreasing
Traceback (most recent call last):
File "./usrp2_wfm_rcv.py", line 284, in <module>
app = stdgui2.stdapp (wfm_rx_block, "USRP2 WFM RX")
File "/usr/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/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/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py", line
60, in __init__
self.panel = stdpanel (self, self, top_block_maker)
File "/usr/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 "./usrp2_wfm_rcv.py", line 97, in __init__
60) # stopband attenuation
File "/usr/lib/python2.6/dist-packages/gnuradio/optfir.py", line 44, in
low_pass
taps = gr.remez (n + nextra_taps, fo, ao, w, "bandpass")
File
"/usr/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_swig_py_general.py",
line 352, in remez
return _gnuradio_swig_py_general.remez(*args, **kwargs)
RuntimeError: gr_remez: band edges must be nondecreasing
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