Hello all,
I am using a USRP Rev. 4.5 that has been working perfectly for a while
with gnuradio trunk rev. 10786. Suddenly I started getting the error:
usrp: failed to find usrp[0] when I try to run any gnuradio code. For
example, the output of usrp_test_loopback.py:
$> usrp_test_loopback.py
usrp: failed to find usrp[0]
Traceback (most recent call last):
File "/usr/local/bin/usrp_test_loopback.py", line 65, in <module>
main ()
File "/usr/local/bin/usrp_test_loopback.py", line 58, in main
tb = build_graph ()
File "/usr/local/bin/usrp_test_loopback.py", line 45, in build_graph
usrp_tx = usrp.sink_s (0, tx_interp)
File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp/usrp_swig.py",
line 2776, in sink_s
return _usrp_swig.sink_s(*args, **kwargs)
RuntimeError: can't open usrp
I have noticed that the LED of the USB controller is always blinking
at 3 Hz and never slows down. If I understand right from the FAQ, this
must mean the regular firmware is not properly downloaded. Could
anyone help me solve this?
Thanks in advance
--
Natalia Olano
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