mirror of
https://github.com/thooge/esp32-nmea2000-obp60.git
synced 2026-08-18 18:32:30 +02:00
Ulrich Meine
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Arduino Moving Average Library
|
|
// https://github.com/JChristensen/movingAvg
|
|
// Copyright (C) 2018 by Jack Christensen and licensed under
|
|
// GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
|
|
|
|
// Extended to template class for handling of multiple data types
|
|
|
|
#ifndef MOVINGAVG_H_INCLUDED
|
|
#define MOVINGAVG_H_INCLUDED
|
|
|
|
template <typename T>
|
|
class movingAvg
|
|
{
|
|
public:
|
|
movingAvg(int interval)
|
|
: m_interval{interval}, m_nbrReadings{0}, m_sum{0}, m_next{0}, m_readings{nullptr} {}
|
|
~movingAvg() { delete[] m_readings; }
|
|
void begin();
|
|
T reading(T newReading);
|
|
T getAvg();
|
|
T getAvg(int nPoints);
|
|
int getCount() { return m_nbrReadings; }
|
|
void reset();
|
|
T* getReadings() { return m_readings; }
|
|
|
|
private:
|
|
int m_interval; // number of data points for the moving average
|
|
int m_nbrReadings; // number of readings
|
|
// Sum type adapts to T: long for integers, T for floating point
|
|
using SumType = typename std::conditional<std::is_floating_point<T>::value, T, long>::type;
|
|
SumType m_sum;
|
|
int m_next; // index to the next reading
|
|
T* m_readings; // pointer to the dynamically allocated interval array
|
|
};
|
|
|
|
// Include the implementation to satisfy template instantiation requirements
|
|
#include "movingAvg.tpp"
|
|
|
|
#endif
|