I finally unearthed this from my massively parallel filing system.
It purports to be a fixed point fft routine that I ported from a port
of one I found before there was really an online with which to find
things. I used it on an embeded system with some screwy cross compiler.
So the compiler features and makefile may not be compatible with the
current real world. But I believe the math is correct:
http://www.etantdonnes.com/DATA/FFT.zip
And no, you probably can't do a 2k sample float fft on a micaz.
Unless, of course, that is the ONLY thing you are doing and
you have a lot of spare time on your hands...
MS
Tony Han wrote:
> Is there any one has the NesC code for FFT (Fast Fourier Transform)? I
> need an example for calculating FFT on micaz. I am wondering if micaz
> has enough resource to do FFT with more than 2k records.
>
> Thank you.
>
> Tony
>
>
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