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[Discuss-gnuradio] Possible bug in gr::digital::mpsk_receiver_cc

From: Ed Criscuolo
Subject: [Discuss-gnuradio] Possible bug in gr::digital::mpsk_receiver_cc
Date: Thu, 20 Feb 2014 22:37:41 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/20130328 Thunderbird/17.0.5

OSX 10.8.5

I was setting up a flowgraph in GRC using the
mpsk_receiver_cc block and encountered a problem.
Don't know if it is a bug in the GRC xml or a
missing method in the block code.

In GRC, the mpsk_receiver's "loop_bandwidth" parameter
is underlined in the properties popup, indicating
that it can be changed during runtime.  I entered the
name of a variable that was created in a Wx Slider widget.

At runtime, when I try to change the value, I get:

Traceback (most recent call last):
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/wxgui/forms/forms.py", line 180, in _handle
    def _handle(self, event): self[INT_KEY] = self._slider.GetValue()
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/gr/pubsub.py", line 52, in __setitem__
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gnuradio/wxgui/forms/forms.py", line 138, in _translate_internal_to_external
    if self._callback: self._callback(self[EXT_KEY])
File "/Users/edwardc/Work/gnu_radio/DAS_Test_01.py", line 181, in set_loop_bw
AttributeError: 'mpsk_receiver_cc_sptr' object has no attribute 'set_loop_bandwidth'

I checked the code, and indeed, there is no method by any name
for setting the loop_bandwidth attribute.

@(^.^)@  Ed

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