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morpho_filtering.h
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Wed, Aug 14, 20:13

morpho_filtering.h
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#ifndef MORPHO_FILTERING_H_
#define MORPHO_FILTERING_H_
#include "defines_globals.h"
#if SAMPLING_FREQUENCY==250
#define BUFFER_BITS_FILTER 0 /* Number of bits in the size of the buffer */
#define BUFFER_SIZE_FILTER (1 << BUFFER_BITS_FILTER)
//R: Size of the raw input buffer
#define TAMBEnt 150
/**************************
* R: Baseline Removal
*/
//R: Length of the opening structuring element
#define TAMB0 50
// Half length of the opening structuring element
#define TAMB0m 25
//R: Length of the closing structuring element
#define TAMBc 75
//R: Half length of the closing structuring element
#define TAMBcm 37
#if HIGH_FREQ==1
//R: Size of the Buffer after baseline removal
#define TAMBFB 5
//R: Half size of the Buffer after baseline removal
#define TAMBFBm 0
/*************************
* R: Noise suppression
*/
//R: Length of the B1 structuring element
#define TAMB1 5
#define B1_STRUCTURING_ELEMENT {0,1,5,1,0,\
0,0,1,5,1,\
1,0,0,1,5,\
5,1,0,0,1,\
1,5,1,0,0};
#endif // HIGH_FREQ
#elif SAMPLING_FREQUENCY==500
#define BUFFER_BITS_FILTER 0 /* Number of bits in the size of the buffer */
#define BUFFER_SIZE_FILTER (1 << BUFFER_BITS_FILTER)
//R: Size of the raw input buffer
#define TAMBEnt 300
/**************************
* R: Baseline Removal
*/
//R: Length of the opening structuring element
#define TAMB0 100
// Half length of the opening structuring element
#define TAMB0m 50
//R: Length of the closing structuring element
#define TAMBc 150
//R: Half length of the closing structuring element
#define TAMBcm 75
#if HIGH_FREQ==1
//R: Size of the Buffer after baseline removal
#define TAMBFB 9
//R: Half size of the Buffer after baseline removal
#define TAMBFBm 4
/*************************
* R: Noise suppression
*/
//R: Length of the B1 structuring element
#define TAMB1 9
#define B1_STRUCTURING_ELEMENT {0,0,1,2,5,2,1,0,0,\
0,0,0,1,2,5,2,1,0,\
0,0,0,0,1,2,5,2,1,\
1,0,0,0,0,1,2,5,2,\
2,1,0,0,0,0,1,2,5,\
5,2,1,0,0,0,0,1,2,\
2,5,2,1,0,0,0,0,1,\
1,2,5,2,1,0,0,0,0,\
0,1,2,5,2,1,0,0,0}
#endif // HIGH_FREQ
#endif // SAMPLING_FREQUENCY
int16_t filterSample(int16_t offset, int16_t read_data, int16_t index);
void init_filtering();
void filterWindows(int32_t *arg[]);
#endif // MORPHO_FILTERING_H_

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