median.c File Reference

#include "median.h"
#include <math.h>

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Functions
esp_err_t	median_init_int (median_filter_int_t *f, int32_t *buffer, int *sorted_idx, int size)
esp_err_t	median_init_float (median_filter_float_t *f, float *buffer, int *sorted_idx, int size)
int32_t	median_filter_int (median_filter_int_t *f, int32_t new_sample)
float	median_filter_float (median_filter_float_t *f, float new_sample)

Function Documentation

median_filter_float()

float median_filter_float	(	median_filter_float_t *	f,
		float	new_sample )

Run float median filter on new_sample

Parameters

f	pointer to filter struct
new_sample	new sample to insert

Returns

median of window (float)

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median_filter_int()

int32_t median_filter_int	(	median_filter_int_t *	f,
		int32_t	new_sample )

Run integer median filter on new_sample

Parameters

f	pointer to filter struct
new_sample	new sample to insert

Returns

median of window (int32)

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median_init_float()

esp_err_t median_init_float	(	median_filter_float_t *	f,
		float *	buffer,
		int *	sorted_idx,
		int	size )

Initialize float median filter

Parameters

f	pointer to filter struct
buffer	pointer to float array of size 'size'
sorted_idx	pointer to int array of size 'size'
size	window size (must be odd)

Returns

ESP_OK on success

< esp_err_t value indicating success (no error)

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median_init_int()

esp_err_t median_init_int	(	median_filter_int_t *	f,
		int32_t *	buffer,
		int *	sorted_idx,
		int	size )

Initialize integer median filter

Parameters

f	pointer to filter struct
buffer	pointer to int32_t array of size 'size'
sorted_idx	pointer to int array of size 'size'
size	window size (must be odd)

Returns

ESP_OK on success

< esp_err_t value indicating success (no error)

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