the callback is on the .xml file from the grc folder, the parameters are
changing but the waveform is not updating.
on the other hand, all my custom blocks i get "AttributeError:
'top_block_sptr' object has no attribute 'top_layout'".
it was working all along but I just got that recently, I searc
Thank you Marcus for the reply.
let me show you an example of what I did. but so far i am not getting any
output from it
def set_parameters(self,amplitude):
global d_amplitude
d_amplitude= amplitude
print d_amplitude
#then on the contructor
