Re: [Discuss-gnuradio] modify c++ source code

[Marcus Müller]

Hi Kerry,

you normally don't start by modifying existing blocks.
You don't seem to be familiar with C++ development: C++ source code is not directly executed; you will need to compile GNU Radio including the changed source code, and install it again.

Also, gr_uhd_usrp_source.cc is definitely from a very outdated version of GNU Radio. You should use a more modern GNU Radio.

My feeling is that you should not modify C++ source code as a beginner in GNU Radio development. I strongly recommend the guided tutorials; they show you how to achieve the things you want fast, and they are a quick, and mostly fun thing to read :)
https://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorials

Best regards,
Marcus

On 06.01.2016 20:30, kerry wrote:

Hi，all：

I had ran uhd_fft.py successful. Now I want to modify the c++ source code in
"gr_uhd_usrp_source.cc". I read the uhd_fft.py code found parameter setting
through called set function(eg:set_center_freq()) in
"gr_uhd_usrp_source.cc". But when I modify the code it not execute the
"gr_uhd_usrp_source.cc" file. I don't know why? 

Look forward to your reply.

Thx
Ke



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