Re: [Discuss-gnuradio] how to use FFT without grc block

[Nasi]

And the problem is in that input part. It is not clear what is inbuf... 
I create gr_complex vector and want to input it into fft. It does not work in 
any way.  There are alot of questions are still open. 

Coder is a good coder if his code is readable first. Anyone one can design a 
confusing language. 


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Freitag, 24. Januar 2014 13:59 +0100 from Martin Braun  <address@hidden>:
On 01/24/2014 02:45 AM, Nasi wrote:
> Thanks!
>
> with doxygen docs do you mean
> these:  http://gnuradio.org/doc/doxygen/classgr_1_1fft_1_1fft__complex.html ?
> this redundant information is hopeless...
>
> Do you know any normal good mature documentation?

Nasi,

part of learning GNU Radio is learning to read the documentation. You're
pointing to a specific object deep inside the guts of GNU Radio. There
will be no beginner-level documentation for these kinds of objects,
probably ever. If you followed the docs through the navigation Modules
-> Fourier Analysis, you'd see three blocks available for FFTs. All they
do is calculate an FFT -- there is not much to say here. The assumption
on this page is that you know how blocks work, and what an FFT is.

The page you pointed to is not redundant, whether or not it's hopeless
is of course matter of debate. But it has all you need to calculate an
FFT: The object you need, the functions you need to call etc.
Here's all you really need: "compute FFT. The input comes from inbuf,
the output is placed in outbuf."

Martin

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