irene159 wrote:
OK, so far I have been able to call gr.mpsk_receiver_cc.freq() from dqpsk.py
even if I haven't found were it is coded.
print "NCO frequency : %f" % self.receiver.freq()
My purpose is to study mpsk_receiver_cc Costas loop features and I would
like to get Costas loop NCO frequency value for each circle in the loop. But
how can I do this?
You'll probably want to do this inside gr_mpsk_receiver.cc instead of
calling the freq() function if you want to get a report of the value for
every iteration of the loop.
The frequency value (d_freq) is update in:
*gr_mpsk_receiver_cc::phase_error_tracking
You can also turn on verbose mode by setting VERBOST_COSTAS to 1 at the
top of gr_mpsk_receiver.cc and recompiling/installing. This pumps out a
lot of info on the current state of the loop.
Tom
*
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