lpfilter.c File Reference

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include "pios.h"
#include "lpfilter.h"

Go to the source code of this file.

Data Structures
struct	lpfilter_biquad_state
struct	lpfilter_biquad
struct	lpfilter_first_order
struct	lpfilter_state

Macros
#define	MAX_FILTER_WIDTH   16

Functions
void	lpfilter_construct_single_biquad (struct lpfilter_biquad *b, float cutoff, float dT, float q, uint8_t width)
void	lpfilter_construct_biquads (lpfilter_state_t filt, float cutoff, float dT, int o, uint8_t width)
void	lpfilter_create (lpfilter_state_t *filter_ptr, float cutoff, float dT, uint8_t order, uint8_t width)
float	lpfilter_run_single (lpfilter_state_t filter, uint8_t axis, float sample)
void	lpfilter_run (lpfilter_state_t filter, float *sample)

Variables
static const float	lpfilter_butterworth_factors [16]