I have cloned and installed gr-inspector using the instructions on the
webpage. One change (addition) necessary to get gr-inspector to install on
my system (Ubuntu 17.10) was to run ln -s /usr/lib/libqwt-qt4.so.5
/usr/lib/libqwt-qt4.so ; otherwise cmake failed, unable to find
libqwt-qt4.so.
I have started gnuradio companion and loaded an example from gr-inspector
(live_signal_detection.grc). I adjust the sample rate, since I am using an
RTL-SDR (adjust to 2.4e6). The graph comes up, and I press 'play' (execute
the flow graph). I get this error:
Found Rafael Micro R820T tuner
[R82XX] PLL not locked!
[R82XX] PLL not locked!
Traceback (most recent call last):
File "/home/rs/devel/gr-inspector/examples/live_signal_detection.py",
line 142, in <module>
main()
File "/home/rs/devel/gr-inspector/examples/live_signal_detection.py",
line 130, in main
tb = top_block_cls()
File "/home/rs/devel/gr-inspector/examples/live_signal_detection.py",
line 85, in __init__
self.inspector_signal_detector_cvf_0 =
inspector.signal_detector_cvf(samp_rate, 4096, firdes.WIN_BLACKMAN_hARRIS,
AttributeError: 'module' object has no attribute 'signal_detector_cvf'
GNUradio (3.7.10) executes other graphs fine (that is, non-gr-inspector
graphs). Why am I getting this error with gr-inspector?
Thank you
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