FlowSensor.h

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#ifndef HUMIDISTAT_FLOWSENSOR_H
#define HUMIDISTAT_FLOWSENSOR_H
 
#include <stdint.h>
 
#include "imath.h"
 
class FlowSensor {
private:
    const uint8_t pin;
    static constexpr double coeffs[] = {
             0.094003 * ipow(3.3 / 1023, 5),
            -0.564312 * ipow(3.3 / 1023, 4),
             1.374705 * ipow(3.3 / 1023, 3),
            -1.601495 * ipow(3.3 / 1023, 2),
             1.060657 / 1023 * 3.3,
            -0.269996,
    };
 
public:
    explicit FlowSensor(uint8_t pin);
 
    double readFlowrate() const;
};
 
 
#endif //HUMIDISTAT_FLOWSENSOR_H