I made those changes and I still get the same error. Should I be getting a LIBUSB error when I do something the HackRF doesn't approve?
On Wed, Jan 25, 2017 at 10:26 PM, Cinaed Simson <[email protected]> wrote: > On 01/25/2017 02:01 PM, Sonny Rajagopalan wrote: > > Sorry didn't attach to group earlier. > > > > On Wed, Jan 25, 2017 at 4:19 PM, Cinaed Simson <[email protected] > > <mailto:[email protected]>> wrote: > > > > On 01/25/2017 09:52 AM, Sonny Rajagopalan wrote: > > > Hello, > > > > > > I have a hackrf board which I am able to use using gqrx (using > Ubuntu > > > 14.04 LTS, gnuradio v3.7.10.1-182-g59136936). This, I guess, > confirms > > > the permissions issue for accessing hackrf under my username. > > > > > > However, when I try to execute a flow graph I created using > > > gnuradio-companion, it fails for the following reason: > > > > > > 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 1d50:0089: 0000000000000000909864c82c3a2fcf match > > > Using HackRF One with firmware 2015.07.2 > > > gr-osmosdr v0.1.x-xxx-xunknown (0.1.5git) gnuradio 3.7.10 > > > built-in sink types: uhd hackrf bladerf soapy redpitaya file > > > Number of USB devices: 13 > > > USB device 1d50:0089: 0000000000000000909864c82c3a2fcf match > > > > > > FATAL: Failed to open HackRF device (-1000) HACKRF_ERROR_LIBUSB > > > > > > Trying to fill up 1 missing channel(s) with null sink(s). > > > This is being done to prevent the application from crashing > > > due to gnuradio bug #528. > > > > > > Traceback (most recent call last): > > > File > > "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py", > > > line 128, in <module> > > > main() > > > File > > "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py", > > > line 117, in main > > > tb.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! > > The HackRF One is half duplex so it can't transmit and receive on the > same device at the same time. > > Also, the minimum RF frequency for the HackRF One I believe is roughly 1 > MHz - you're trying to receive at 1 kHz in the osomcom source block. > > In addition, for the HackRF One, when receiving it's recommended you set > the RF gain to 0. To transmit, set it to 1. > > In other words, the RF gain is either off or on. > > See > > https://greatscottgadgets.com/sdr > > Lesson 5 is an introduction to the HackRF One. > > > > > > > > > Any help is appreciated. > > > > > > Thanks, > > > Sonny. > > > > > > > > > _______________________________________________ > > > Discuss-gnuradio mailing list > > > [email protected] <mailto:[email protected]> > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> > > > > > > > You should post your grc file. > > > > -- Cinaed > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > [email protected] <mailto:[email protected]> > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> > > > > > >
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