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<p>nice. thanks Steve. that worked now the grc file runs. but when i run the file in get this error: AttributeError: 'gr_hier_block2_sptr' object has no attribute 'set_callbac. this is in the terminal part of the grc. here is the whole thing:<br>
<br>
Executing: "/home/matt/op25_grc.py"<br>
<br>
Imported legacy fsk4<br>
Using Volk machine: ssse3_32<br>
Traceback (most recent call last):<br>
File "/home/matt/op25_grc.py", line 493, in <br>
tb = op25_grc()<br>
File "/home/matt/op25_grc.py", line 231, in __init__<br>
self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback)<br>
File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/hier_block2.py", line 54, in __getattr__<br>
return getattr(self._hb, name)<br>
AttributeError: 'gr_hier_block2_sptr' object has no attribute 'set_callback'<br>
<br>
thanks again. any help would be greatly appreciated. <br>
<br>
---- Steve Glass <a href="mailto:stevie.glass%40gmail.com">stevie.glass@gmail.com</a>> wrote: <br>
> Try changing the "type" field of your audio source from "Float" to<br>
> "Complex".<br>
> <br>
> I am working on an update of op25 to use the new tools present in the<br>
> latest GNURadio (cmake, grc support, new namespace rules, message passing,<br>
> stream meta-information and so on) . I am particularly impressed by GRC as<br>
> a means for building radios and want to see this side of our project<br>
> improved because I think it allows non-programmers to build radios and play<br>
> around more easily.<br>
> <br>
> ATB<br>
> <br>
> Steve<br>
<br>
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