Hello, I have a simple flow graph as shown (from this video tutorial http://greatscottgadgets.com/sdr/1/):
[image: Inline image 1]
The *.py that is created is attached. The code crashes with the following
error:
Generating: '/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py'
Generating: '/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py'
Executing: /usr/bin/python2 -u
/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py
linux; GNU C++ version 4.8.4; Boost_105400; UHD_3.11.0.git-59-g52ca2e0b
gr-osmosdr v0.1.x-xxx-xunknown (0.1.5git) gnuradio 3.7.10
built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf bladerf
rfspace airspy soapy redpitaya
Number of USB devices: 13
USB device 1d50:6089: 0000000000000000909864c82c3a2fcf match
Using HackRF One with firmware 2015.07.2
Traceback (most recent call last):
File "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py",
line 100, in <module>
main()
File "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py",
line 95, in main
tb.Start(True)
File
"/usr/local/lib/python2.7/dist-packages/grc_gnuradio/wxgui/top_block_gui.py",
line 74, in Start
self.start()
File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/top_block.py",
line 109, in start
top_block_start_unlocked(self._impl, max_noutput_items)
File
"/usr/local/lib/python2.7/dist-packages/gnuradio/gr/runtime_swig.py", line
4879, in top_block_start_unlocked
return _runtime_swig.top_block_start_unlocked(*args, **kwargs)
RuntimeError: list contains invalid format!
Gnuradio version: v3.7.10.1-182-g59136936, built using PyBOMBS; python2.7
and 3.4 on system. I know Cinaed said this is operator error, but some
pointers for how to fixing this is appreciated.
Any insights into how this can be fixed is appreciated. I raised this issue
with the HackRF people and they say it is better asked here.
Thanks,
Sonny.
HackRFHelloWorld.grc
Description: Binary data
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