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# e_fft.c File Reference

Package to mange the FFT. More...

`#include <dsp.h>`
`#include "e_fft.h"`

## Functions
const fractcomplex twiddleFactors[FFT_BLOCK_LENGTH/2] | __attribute__ ((space(auto_psv), aligned(FFT_BLOCK_LENGTH *2)))
void | e_doFFT_asm (fractcomplex *sigCmpx)
| Execute the FFT with dsPic special instructions.

## Detailed Description

Package to mange the FFT.

Author:
  Code & doc: Jonathan Besuchet

## Function Documentation

const fractcomplex twiddleFactors [FFT_BLOCK_LENGTH/2] __attribute__ | ( | (space(auto_psv), aligned(FFT_BLOCK_LENGTH *2)) |  | ) |

void e_doFFT_asm | ( | fractcomplex * | sigCmpx | ) |

Execute the FFT with dsPic special instructions.

Parameters:

  | sigCmpx | The pointer of the begining of the array on which you want to perform the FFT.