On Fri, Jul 25, 2014 at 1:13 PM, Tom Rondeau <t...@trondeau.com> wrote:
> On Thu, Jul 24, 2014 at 7:42 PM, Jonathan Fox <31...@cardinalmail.cua.edu> > wrote: > >> Thanks for the response. >> >> A colleague of mine recommended going into the uhd_interface file and >> change the self.u.set_center_freq() and not use the lo_offset as a >> parameter. Then again it couldn't hurt to just add the command line >> argument. >> >> Thank you for the gr-mac link, it is within my interests to use it. >> >> Jonathan >> > > Best to focus on using gr-mac. Getting started with it might be a bit > difficult, but it's far superior to tunnel.py and where we want to go, > anyways. GNU Radio will hopefully be adopting this in the future, too, and > removing tunnel.py. > > Tom > > > > >> On Thu, Jul 24, 2014 at 7:09 PM, Mike Jameson <mike.jame...@ettus.com> >> wrote: >> >>> Try adding '--lo-offset=10e6' as a commandline argument. Thanks for the >>> bug report, I'll push a fix asap. >>> >>> FYI, the tunnel.py script has been superseded by gr-mac: >>> >>> https://github.com/balint256/gr-mac >>> >>> Mike >>> >>> -- >>> Mike Jameson M0MIK BSc MIET >>> Ettus Research Technical Support >>> Email: supp...@ettus.com >>> Web: http://ettus.com >>> >>> >>> On Thu, Jul 24, 2014 at 10:15 PM, Jonathan Fox < >>> 31...@cardinalmail.cua.edu> wrote: >>> >>>> I am currently running GNU Radio 3.7.4 and I am getting an error >>>> running the stock narrowband tunnel.py script. This is what I am getting: >>>> >>>> [root@cobra narrowband]# ./tunnel.py -f 146.0M -a addr="10.2.8.104" >>>> linux; GNU C++ version 4.4.7 20120313 (Red Hat 4.4.7-4); Boost_104100; >>>> UHD_003.007.001-64-g92b0b7ab >>>> >>>> Using Volk machine: sse4_2_64 >>>> -- Opening a USRP2/N-Series device... >>>> -- Current recv frame size: 1472 bytes >>>> -- Current send frame size: 1472 bytes >>>> >>>> UHD Warning: >>>> The recv buffer could not be resized sufficiently. >>>> Target sock buff size: 50000000 bytes. >>>> Actual sock buff size: 5000000 bytes. >>>> See the transport application notes on buffer resizing. >>>> Please run: sudo sysctl -w net.core.rmem_max=50000000 >>>> >>>> UHD Warning: >>>> The recv buffer could not be resized sufficiently. >>>> Target sock buff size: 50000000 bytes. >>>> Actual sock buff size: 5000000 bytes. >>>> See the transport application notes on buffer resizing. >>>> Please run: sudo sysctl -w net.core.rmem_max=50000000 >>>> -- Detecting internal GPSDO.... Found an internal GPSDO >>>> -- found >>>> -- Setting references to the internal GPSDO >>>> -- Initializing time to the internal GPSDO >>>> >>>> No gain specified. >>>> Setting gain to 19.000000 (from [0.000000, 38.000000]) >>>> Traceback (most recent call last): >>>> File "./tunnel.py", line 296, in <module> >>>> main() >>>> File "./tunnel.py", line 259, in main >>>> options) >>>> File "./tunnel.py", line 103, in __init__ >>>> options.verbose) >>>> File >>>> "/home/fox/Documents/GNU_radio/Cranial/narrowband/uhd_interface.py", line >>>> 199, in __init__ >>>> freq, lo_offset, gain, spec, antenna, clock_source) >>>> File >>>> "/home/fox/Documents/GNU_radio/Cranial/narrowband/uhd_interface.py", line >>>> 70, in __init__ >>>> self._freq = self.set_freq(freq, lo_offset) >>>> File >>>> "/home/fox/Documents/GNU_radio/Cranial/narrowband/uhd_interface.py", line >>>> 120, in set_freq >>>> r = self.u.set_center_freq(uhd.tune_request(freq, lo_offset)) >>>> File >>>> "/usr/local/lib64/python2.6/site-packages/gnuradio/uhd/__init__.py", line >>>> 52, in __init__ >>>> super(tune_request_t, self).__init__(*args) >>>> File >>>> "/usr/local/lib64/python2.6/site-packages/gnuradio/uhd/uhd_swig.py", line >>>> 792, in __init__ >>>> this = _uhd_swig.new_tune_request_t(*args) >>>> NotImplementedError: Wrong number of arguments for overloaded function >>>> 'new_tune_request_t'. >>>> Possible C/C++ prototypes are: >>>> uhd::tune_request_t(double) >>>> uhd::tune_request_t(double,double) >>>> >>>> I am not too sure what to do, I have looked up the error but I couldn't >>>> find a solution. Anyone know what to do? Also, the benchmark scripts work, >>>> it is just the tunnel script that doesn't. >>>> >>>> Thanks >>>> >>>> Jonathan >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > I did try the --lo-offset=10e6 argument and it didn't work. I may just have to tweak the self.u.set_center_freq to not have the uhd.tune_request because it doesn't work just as self.u.set_center_freq(uhd.tune_request(freq)). I know the latest version of GNU Radio has a burst tagger block, so is the gr-mac project already incorporated?
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