You didn't mention editing gr-blocks/include/gnuradio/blocks/vco_c.h.
On Fri, Feb 12, 2021 at 9:39 AM Achilleas Anastasopoulos
wrote:
> Hi all,
>
> I am working with GNURADIO 3.7 and realized that the VCO blocks do not
> have functionality to change the sensitivity parameter during operation.
> I wanted to use them for generating FSK signals.
> I realized I can do that equivalently with the Frequency Mod block, so
> this is fine.
>
> However I decided to add the set_sensitivity functionality to the VCO_c
> block.
> So I did the following:
>
> 1) edited the vco_c_impl.h file
>
>
> public:
> vco_c_impl(double sampling_rate, double sensitivity, double
> amplitude);
> ~vco_c_impl();
> void set_sensitivity(double sensitivity);
> .
>
> 2) I edited the vco_c_impl.cc file:
>
> vco_c_impl::~vco_c_impl()
> {
> }
>
> void
> vco_c_impl::set_sensitivity(double sensitivity)
> {
> d_sensitivity = sensitivity;
> d_k = d_sensitivity / d_sampling_rate;
> }
>
>
>
> 3) I edited the blocks_vco_c.xml file:
>
> ...
> blocks.vco_c($samp_rate, $sensitivity, $amplitude)
> set_sensitivity($sensitivity)
> ...
>
>
> 4) After remaking/reinstalling gnuradio I do the following test in python:
>
> >>> from gnuradio import blocks
> >>> x=blocks.vco_c(1,2,3)
> >>> x.set_sensitivity(4)
> Traceback (most recent call last):
> File "", line 1, in
> AttributeError: 'vco_c_sptr' object has no attribute 'set_sensitivity'
>
> 5) In addition when I use the block in GRC and try to change the
> sensitivity I get similar errors.
>
> So I know that somehow the python bindings are not generated.
> I feel I have forgotten to edit some file before compilation, but do not
> remember which one has to be changed (it has been some time since I last
> did development work on the gnuradio code).
>
> What am I missing?
>
> thanks
> Achilleas
>
>
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>
