peak_detect.h

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#pragma once
 
#include "rusefi_types.h"
 
/**
 * Stores the recent peak value, preventing loss of intermittent peaks in a signal.
 */
template <typename TValue, efidur_t TTimeoutPeriod>
class PeakDetect {
public:
    TValue detect(TValue currentValue, efitick_t nowNt) {
        if ((nowNt > m_lastPeakTime + TTimeoutPeriod) ||    // if timed out
            (currentValue > m_peak)) {                      // or current is higher than the previous peak
            // store new peak and time
            m_peak = currentValue;
            m_lastPeakTime = nowNt;
        }
 
        return m_peak;
    }
 
private:
    TValue m_peak = std::numeric_limits<TValue>::min();
    efitick_t m_lastPeakTime = std::numeric_limits<efitick_t>::min();
};