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md123 at nycap.rr.com md123 at nycap.rr.comnice. 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: Executing: "/home/matt/op25_grc.py" Imported legacy fsk4 Using Volk machine: ssse3_32 Traceback (most recent call last): File "/home/matt/op25_grc.py", line 493, in <module> tb = op25_grc() File "/home/matt/op25_grc.py", line 231, in __init__ self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback) File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/hier_block2.py", line 54, in __getattr__ return getattr(self._hb, name) AttributeError: 'gr_hier_block2_sptr' object has no attribute 'set_callback' thanks again. any help would be greatly appreciated. ---- Steve Glass <stevie.glass at gmail.com> wrote: > Try changing the "type" field of your audio source from "Float" to > "Complex". > > I am working on an update of op25 to use the new tools present in the > latest GNURadio (cmake, grc support, new namespace rules, message passing, > stream meta-information and so on) . I am particularly impressed by GRC as > a means for building radios and want to see this side of our project > improved because I think it allows non-programmers to build radios and play > around more easily. > > ATB > > Steve -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/op25-dev/attachments/20130213/e0ab5b82/attachment.htm>