Re: [Discuss-gnuradio] Problem in the update

[Martin Braun]

On Tue, Apr 10, 2012 at 05:45:45AM -0700, frankist wrote:
> I made an update of gnuradio in my university lab computers. They were using
> the 3.4.1 version, and I changed it to 3.5.3 version. However, some of the
> programs made for the old versions stopped working. When I run the script
> made by another student for the old version, I get this error:
> 
> traceback(most recent call last):
> (...)
> File "/usr/local/lib/python2.6/dist-packages/gnuradio/blks2impl/gmsk.py",
> line 223, in __init__
>      self.clock_recovery = gr.clock_recovery_mm_ff(self._omega,
> self._gain_omega,
> AttributeError: 'module' object has no attribute 'clock_recovery_mm_ff'
> 
> Which is basically saying that a script installed by the gnuradio
> installation itself
> (/usr/local/lib/python2.6/dist-packages/gnuradio/blks2impl/gmsk.py) is still
> working with the old methods since 'clock_recovery_mm_ff' doesn't exist
> anymore.
> 
> Does this mean that the installation wasn't well made?

No, there was an API change (this was announced, though). clock_recovery,
among other things, was moved to gr-digital.

Try self.clock_recovery = digital.clock_recovery_mm_ff(...)

(of course, you have to 'from gnuradio import digital').

Good luck
MB

-- 
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)

Dipl.-Ing. Martin Braun
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KIT -- University of the State of Baden-Württemberg and
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