ref: 2c20a851809573a15d132122ab7006280325a340
dir: /LEAF/Inc/leaf-oscillators.h/
/*==============================================================================
leaf-oscillators.h
Created: 20 Jan 2017 12:00:58pm
Author: Michael R Mulshine
==============================================================================*/
#ifndef LEAF_OSCILLATORS_H_INCLUDED
#define LEAF_OSCILLATORS_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
//==============================================================================
#include "leaf-math.h"
#include "leaf-mempool.h"
#include "leaf-filters.h"
//==============================================================================
/* tCycle: Cycle/Sine waveform. Wavetable synthesis.*/
typedef struct _tCycle
{
// Underlying phasor
float phase;
float inc,freq;
} _tCycle;
typedef _tCycle* tCycle;
void tCycle_init (tCycle* const);
void tCycle_free (tCycle* const);
void tCycle_initToPool (tCycle* const, tMempool* const);
void tCycle_freeFromPool (tCycle* const, tMempool* const);
float tCycle_tick (tCycle* const);
int tCycle_setFreq (tCycle* const, float freq);
//==============================================================================
/* tTriangle: Anti-aliased Triangle waveform using wavetable interpolation. Wavetables constructed from sine components. */
typedef struct _tTriangle
{
// Underlying phasor
float phase;
float inc,freq;
} _tTriangle;
typedef _tTriangle* tTriangle;
void tTriangle_init (tTriangle* const);
void tTriangle_free (tTriangle* const);
void tTriangle_initToPool (tTriangle* const, tMempool* const);
void tTriangle_freeFromPool (tTriangle* const, tMempool* const);
float tTriangle_tick (tTriangle* const);
int tTriangle_setFreq (tTriangle* const, float freq);
//==============================================================================
/* tSquare: Anti-aliased Square waveform using wavetable interpolation. Wavetables constructed from sine components. */
typedef struct _tSquare
{
// Underlying phasor
float phase;
float inc,freq;
} _tSquare;
typedef _tSquare* tSquare;
void tSquare_init (tSquare* const);
void tSquare_free (tSquare* const);
void tSquare_initToPool (tSquare* const, tMempool* const);
void tSquare_freeFromPool(tSquare* const, tMempool* const);
float tSquare_tick (tSquare* const);
int tSquare_setFreq (tSquare* const, float freq);
//==============================================================================
/* tSawtooth: Anti-aliased Sawtooth waveform using wavetable interpolation. Wavetables constructed from sine components. */
typedef struct _tSawtooth
{
// Underlying phasor
float phase;
float inc,freq;
} _tSawtooth;
typedef _tSawtooth* tSawtooth;
void tSawtooth_init (tSawtooth* const);
void tSawtooth_free (tSawtooth* const);
void tSawtooth_initToPool (tSawtooth* const, tMempool* const);
void tSawtooth_freeFromPool (tSawtooth* const, tMempool* const);
float tSawtooth_tick (tSawtooth* const);
int tSawtooth_setFreq (tSawtooth* const, float freq);
//==============================================================================
/* tPhasor: Aliasing phasor [0.0, 1.0) */
typedef struct _tPhasor
{
float phase;
float inc,freq;
} _tPhasor;
typedef _tPhasor* tPhasor;
void tPhasor_init (tPhasor* const);
void tPhasor_free (tPhasor* const);
void tPhasor_initToPool (tPhasor* const, tMempool* const);
void tPhasor_freeFromPool(tPhasor* const, tMempool* const);
float tPhasor_tick (tPhasor* const);
int tPhasor_setFreq (tPhasor* const, float freq);
//==============================================================================
/* tNoise. WhiteNoise, PinkNoise. */
typedef enum NoiseType
{
WhiteNoise=0,
PinkNoise,
NoiseTypeNil,
} NoiseType;
typedef struct _tNoise
{
NoiseType type;
float pinkb0, pinkb1, pinkb2;
float(*rand)(void);
} _tNoise;
typedef _tNoise* tNoise;
void tNoise_init (tNoise* const, NoiseType type);
void tNoise_free (tNoise* const);
void tNoise_initToPool (tNoise* const, NoiseType type, tMempool* const);
void tNoise_freeFromPool (tNoise* const, tMempool* const);
float tNoise_tick (tNoise* const);
//==============================================================================
/* tNeuron */
typedef enum NeuronMode
{
NeuronNormal = 0,
NeuronTanh,
NeuronAaltoShaper,
NeuronModeNil
} NeuronMode;
typedef struct _tNeuron
{
tPoleZero f;
NeuronMode mode;
float voltage, current;
float timeStep;
float alpha[3];
float beta[3];
float rate[3];
float V[3];
float P[3];
float gK, gN, gL, C;
} _tNeuron;
typedef _tNeuron* tNeuron;
void tNeuron_init (tNeuron* const);
void tNeuron_free (tNeuron* const);
void tNeuron_initToPool (tNeuron* const, tMempool* const);
void tNeuron_freeFromPool(tNeuron* const, tMempool* const);
void tNeuron_reset (tNeuron* const);
float tNeuron_tick (tNeuron* const);
void tNeuron_setMode (tNeuron* const, NeuronMode mode);
void tNeuron_setCurrent (tNeuron* const, float current);
void tNeuron_setK (tNeuron* const, float K);
void tNeuron_setL (tNeuron* const, float L);
void tNeuron_setN (tNeuron* const, float N);
void tNeuron_setC (tNeuron* const, float C);
void tNeuron_setV1 (tNeuron* const, float V1);
void tNeuron_setV2 (tNeuron* const, float V2);
void tNeuron_setV3 (tNeuron* const, float V3);
void tNeuron_setTimeStep (tNeuron* const, float timestep);
//==============================================================================
#ifdef __cplusplus
}
#endif
#endif // LEAF_OSCILLATORS_H_INCLUDED
//==============================================================================