hi,

I have some problem to use USRP UHD set/get_gain functions.

In my code, _impl.cc I have included:

#include <gnuradio/uhd/usrp_source.h>

the header file in which 

virtual double get_gain() and virtual void set_gain()

are defined!

When I try to compile errors appear:

error: ‘get_gain’ was not declared in this scope
     DB_gain =(float*) get_gain(0);  

error: ‘set_gain’ was not declared in this scope
    set_gain(g_z,0);  

Have I forgot some definitions for these functions?

Thanks
Simone

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