GY-63_MS5611/libraries/FunctionGenerator/FunctionGenerator.h
2022-11-07 15:28:23 +01:00

65 lines
1.5 KiB
C++

#pragma once
//
// FILE: functionGenerator.h
// AUTHOR: Rob Tillaart
// VERSION: 0.2.4
// PURPOSE: wave form generating functions (use with care)
// URL: https://github.com/RobTillaart/FunctionGenerator
//
#include "Arduino.h"
#define FUNCTIONGENERATOR_LIB_VERSION (F("0.2.4"))
class funcgen
{
public:
funcgen(float period = 1.0, float amplitude = 1.0, float phase = 0.0, float yShift = 0.0);
// configuration
void setPeriod(float period = 1.0);
float getPeriod() { return _period; };
void setFrequency(float freq = 1.0) { setPeriod(1/freq); };
float getFrequency() { return _freq1; };
void setAmplitude(float ampl = 1.0) { _amplitude = ampl; };
float getAmplitude() { return _amplitude; };
void setPhase(float phase = 0.0) { _phase = phase; };
float getPhase() { return _phase; };
void setYShift(float yShift = 0.0) { _yShift = yShift; };
float getYShift() { return _yShift; };
// constant amplitude
float line();
// constant zero for calibration
float zero();
// standard wave forms
float sawtooth(float t, uint8_t mode = 0);
float triangle(float t);
float square(float t);
float sinus(float t);
float stair(float t, uint16_t steps = 8, uint8_t mode = 0);
float random();
private:
float _period;
float _freq0;
float _freq1;
float _freq2;
float _freq4;
float _amplitude;
float _phase;
float _yShift;
// Marsaglia 'constants'
uint32_t _m_w = 1;
uint32_t _m_z = 2;
uint32_t _random();
};
// -- END OF FILE --