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Re: [Discuss-gnuradio] GNU Radio RTL-SDR: self._grid_compiled_list_id er

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] GNU Radio RTL-SDR: self._grid_compiled_list_id error under Mac OS X 10.7.4
Date: Sat, 1 Sep 2012 11:46:34 -0400

On Wed, Aug 29, 2012 at 8:12 AM,  <address@hidden> wrote:
> I am trying to get GNU Radio working on a Mac OS X 10.7.4 Air laptop.  I
> installed most of the required packages via MacPorts, and then pulled GNU
> Radio from git.
> It installed O.K., but dies like this:

Sorry, which application are you trying to run that's causing this problem?

Also, it might be easier to get started by using GNU Radio Companion.
Just launch gnuradio-companion and drop down an RTL source block and
connect it to a wxgui FFT sink (or QT GUI, but GRC defaults to using
WX, so that's probably easier). Then run the graph and see what you


> Using Volk machine: sse4_1_64
> gr-osmosdr supported device types: file fcd rtl rtl_tcp uhd
> Using device #0: ezcap USB 2.0 DVB-T/DAB/FM dongle
> Found Elonics E4000 tuner
> Exact sample rate is: 1000000.026491 Hz
>>>> gr_fir_ccc: using SSE
>>>> gr_fir_fff: using SSE
> Traceback (most recent call last):
>   File
> "/usr/local/lib/python2.7/site-packages/gnuradio/wxgui/plotter/plotter_base.py",
> line 187, in _on_paint
>     for fcn in self._draw_fcns: fcn[1]()
>   File
> "/usr/local/lib/python2.7/site-packages/gnuradio/wxgui/plotter/plotter_base.py",
> line 58, in draw
>     GL.glNewList(self._grid_compiled_list_id, GL.GL_COMPILE)
> ctypes.ArgumentError: argument 1: <type 'exceptions.TypeError'>: wrong type
> This part of the code is returning None for self._grid_compiled_list_id
> If I add in some if statements to proceed further, I then ran into a problem
> with some padding variables not being initialized in grid_plotter_base.py.
> To get aroun these, I add
>                 # Added
>                 self.padding_left, self.padding_right = (0, 0)
>                 self.padding_top, self.padding_bottom = (0, 0)
> But the graphs won't show up.
> The radio part works under the multimode receiver, but the visual
> graphs parts do not work.
> Any ideas?  I can successfully listen to the NOAA Weather Station and to
> some local FM stations using the multimode.py Multimode Radio Receiver, and
> can load the grc file and start it up within the GNU Radio Companion, so
> most of GNU Radio is working O.K., just not the graphics parts.
> Thank you,
> Dan Weeks
> GNU Radio Companion 3.6.2git-149-g9305abf4
> Python 2.7.3
> Darwin Kernel Version 11.4.2: Wed May 30 20:13:51 PDT 2012;
> root:xnu-1699.31.2~1/RELEASE_X86_64 x86_64
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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