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versatile_FFT core has no output

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_Xilinx
Guest

Tue Apr 11, 2017 7:30 am   



I am trying to use https://github.com/freecores/versatile_fft , but after I run "make all", data_out.txt and res.txt are all empty.

Anyone have same experience ?

Tim Wescott
Guest

Tue Apr 11, 2017 9:18 pm   



On Mon, 10 Apr 2017 22:53:54 -0700, _Xilinx wrote:

Quote:
I am trying to use https://github.com/freecores/versatile_fft , but
after I run "make all", data_out.txt and res.txt are all empty.

Anyone have same experience ?


Are you feeding it real inputs and doing anything with the outputs?

Synthesis tools are really good at figuring out what logic isn't being
used, and trimming it. It's pretty common to make something just to see
if it'll synthesize and find out that it's not there because you gave it
constant inputs or didn't bring the outputs to pins.

--
Tim Wescott
Control systems, embedded software and circuit design
I'm looking for work! See my website if you're interested
http://www.wescottdesign.com

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