Filter.h

Go to the documentation of this file.

 
#ifndef _FILTER_h
#define _FILTER_h
 
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
 
#define MAX_ORDER 20
#define MIN_ORDER 2
 
typedef enum {
    MEDIAN_FILTER, 
    AVERAGE_FILTER 
} FilterType_t;
 
class FilterClass {
protected:
    FilterType_t _filterType; 
    uint8_t _order; 
    float* _rawValues; 
    float* _orderedValues; 
    float* _weightValues; 
    uint _index = 0;
 
    float aveFilter (float value);
 
    int divide (float* array, int start, int end);
 
    void quicksort (float* array, int start, int end);
 
    float medianFilter (float value);
 
public:
    FilterClass (FilterType_t type, uint8_t order);
 
    float addWeigth (float coeff);
 
    float addValue (float value);
 
    void clear ();
 
    ~FilterClass ();
};
 
#endif