mirror of
https://github.com/thooge/esp32-nmea2000-obp60.git
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Ulrich Meine
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Arduino Moving Average Library
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// https://github.com/JChristensen/movingAvg
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// Copyright (C) 2018 by Jack Christensen and licensed under
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// GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
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// Extended to template class for handling of multiple data types
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#ifndef MOVINGAVG_H_INCLUDED
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#define MOVINGAVG_H_INCLUDED
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template <typename T>
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class movingAvg
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{
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public:
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movingAvg(int interval)
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: m_interval{interval}, m_nbrReadings{0}, m_sum{0}, m_next{0}, m_readings{nullptr} {}
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~movingAvg() { delete[] m_readings; }
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void begin();
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T reading(T newReading);
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T getAvg();
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T getAvg(int nPoints);
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int getCount() { return m_nbrReadings; }
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void reset();
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T* getReadings() { return m_readings; }
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private:
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int m_interval; // number of data points for the moving average
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int m_nbrReadings; // number of readings
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// Sum type adapts to T: long for integers, T for floating point
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using SumType = typename std::conditional<std::is_floating_point<T>::value, T, long>::type;
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SumType m_sum;
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int m_next; // index to the next reading
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T* m_readings; // pointer to the dynamically allocated interval array
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};
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// Include the implementation to satisfy template instantiation requirements
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#include "movingAvg.tpp"
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#endif
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