ref: 223a8ee32c6fe93c2ecd2636e9c49fa618cc1759
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"
/*!
* @defgroup OSCILLATORS Oscillators
*/
//==============================================================================
/*!
* @ingroup OSCILLATORS
* @defgroup TCYCLE tCycle
* A cycle/sine waveform oscillator. Uses wavetable synthesis.
* @{
*/
typedef struct _tCycle
{
// Underlying phasor
float phase;
float inc,freq;
} _tCycle;
typedef _tCycle* tCycle;
//! Initializes a tCycle to the default LEAF mempool.
/*!
@param osc A pointer to the tCycle to be initialized.
*/
void tCycle_init (tCycle* const osc);
//! Frees a tCycle from the default LEAF mempool.
/*!
@param osc A pointer to the tCycle to be freed.
*/
void tCycle_free (tCycle* const osc);
//! Initializes a tCycle to a specified mempool.
/*!
@param osc A pointer to the tCycle to be initialized.
@param pool A pointer to the tMempool to which the tCycle should be initialized.
*/
void tCycle_initToPool (tCycle* const osc, tMempool* const pool);
//! Frees a tCycle from a specified mempool.
/*!
@param osc A pointer to the tCycle to be freed.
@param pool A pointer to the tMempool from which the tCycle should be freed.
*/
void tCycle_freeFromPool (tCycle* const osc, tMempool* const pool);
//! Tick a tCycle oscillator.
/*!
@param osc A pointer to the relevant tCycle.
@return The ticked sample.
*/
float tCycle_tick (tCycle* const osc);
//! Set the frequency of a tCycle oscillator.
/*!
@param osc A pointer to the relevant tCycle.
@param freq The frequency to set the oscillator to.
*/
void tCycle_setFreq (tCycle* const osc, float freq);
/*! @} */
//==============================================================================
/*!
* @ingroup OSCILLATORS
* @defgroup TTRIANGLE tTriangle
* An anti-aliased triangle waveform oscillator. Uses wavetable synthesis.
* @{
*/
/* 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;
//! Initializes a tTriangle to the default LEAF mempool.
/*!
@param osc A pointer to the tTriangle to be initialized.
*/
void tTriangle_init (tTriangle* const osc);
//! Frees a tTriangle from the default LEAF mempool.
/*!
@param osc A pointer to the tTriangle to be freed.
*/
void tTriangle_free (tTriangle* const osc);
//! Initializes a tTriangle to a specified mempool.
/*!
@param osc A pointer to the tTriangle to be initialized.
@param pool A pointer to the tMempool to which the tTriangle should be initialized.
*/
void tTriangle_initToPool (tTriangle* const osc, tMempool* const pool);
//! Frees a tTriangle from a specified mempool.
/*!
@param osc A pointer to the tTriangle to be freed.
@param pool A pointer to the tMempool from which the tTriangle should be freed.
*/
void tTriangle_freeFromPool (tTriangle* const osc, tMempool* const pool);
//! Tick a tTriangle oscillator.
/*!
@param osc A pointer to the relevant tTriangle.
@return The ticked sample.
*/
float tTriangle_tick (tTriangle* const osc);
//! Set the frequency of a tTriangle oscillator.
/*!
@param osc A pointer to the relevant tTriangle.
@param freq The frequency to set the oscillator to.
*/
int tTriangle_setFreq (tTriangle* const osc, float freq);
/*! @} */
//==============================================================================
/*!
* @ingroup OSCILLATORS
* @defgroup TSQUARE tSquare
* An anti-aliased square waveform oscillator. Uses wavetable synthesis.
* @{
*/
/* 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;
//! Initializes a tSquare to the default LEAF mempool.
/*!
@param osc A pointer to the tSquare to be initialized.
*/
void tSquare_init (tSquare* const osc);
//! Frees a tSquare from the default LEAF mempool.
/*!
@param osc A pointer to the tSquare to be freed.
*/
void tSquare_free (tSquare* const osc);
//! Initializes a tSquare to a specified mempool.
/*!
@param osc A pointer to the tSquare to be initialized.
@param pool A pointer to the tMempool to which the tSquare should be initialized.
*/
void tSquare_initToPool (tSquare* const osc, tMempool* const);
//! Frees a tSquare from a specified mempool.
/*!
@param osc A pointer to the tSquare to be freed.
@param pool A pointer to the tMempool from which the tSquare should be freed.
*/
void tSquare_freeFromPool(tSquare* const osc, tMempool* const);
//! Tick a tSquare oscillator.
/*!
@param osc A pointer to the relevant tSquare.
@return The ticked sample.
*/
float tSquare_tick (tSquare* const osc);
//! Set the frequency of a tSquare oscillator.
/*!
@param osc A pointer to the relevant tSquare.
@param freq The frequency to set the oscillator to.
*/
int tSquare_setFreq (tSquare* const osc, 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 osc);
void tSawtooth_free (tSawtooth* const osc);
void tSawtooth_initToPool (tSawtooth* const osc, tMempool* const);
void tSawtooth_freeFromPool (tSawtooth* const osc, tMempool* const);
float tSawtooth_tick (tSawtooth* const osc);
int tSawtooth_setFreq (tSawtooth* const osc, 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 osc);
void tPhasor_free (tPhasor* const osc);
void tPhasor_initToPool (tPhasor* const osc, tMempool* const);
void tPhasor_freeFromPool(tPhasor* const osc, tMempool* const);
float tPhasor_tick (tPhasor* const osc);
int tPhasor_setFreq (tPhasor* const osc, 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 noise, NoiseType type);
void tNoise_free (tNoise* const noise);
void tNoise_initToPool (tNoise* const noise, NoiseType type, tMempool* const);
void tNoise_freeFromPool (tNoise* const noise, tMempool* const);
float tNoise_tick (tNoise* const noise);
//==============================================================================
/* 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 neuron);
void tNeuron_free (tNeuron* const neuron);
void tNeuron_initToPool (tNeuron* const neuron, tMempool* const);
void tNeuron_freeFromPool(tNeuron* const neuron, tMempool* const);
void tNeuron_reset (tNeuron* const neuron);
float tNeuron_tick (tNeuron* const neuron);
void tNeuron_setMode (tNeuron* const neuron, NeuronMode mode);
void tNeuron_setCurrent (tNeuron* const neuron, float current);
void tNeuron_setK (tNeuron* const neuron, float K);
void tNeuron_setL (tNeuron* const neuron, float L);
void tNeuron_setN (tNeuron* const neuron, float N);
void tNeuron_setC (tNeuron* const neuron, float C);
void tNeuron_setV1 (tNeuron* const neuron, float V1);
void tNeuron_setV2 (tNeuron* const neuron, float V2);
void tNeuron_setV3 (tNeuron* const neuron, float V3);
void tNeuron_setTimeStep (tNeuron* const neuron, float timestep);
//==============================================================================
#ifdef __cplusplus
}
#endif
#endif // LEAF_OSCILLATORS_H_INCLUDED
//==============================================================================