wrVactrol.h

////////////////////////////////////////
// DEPRECATED. PLEASE USE wrDsp/wrVtl //
////////////////////////////////////////

#pragma once

#include <stdint.h>

typedef struct vactrol {
	float slew;    // time constant
	float dest;    // target value
	float y;       // filtered val
} vactrol_t;

typedef struct vtl_env {
	float dest;    // destination level
	float id;      // current location
	uint8_t mode;  // AR mode
	float vel;     // static velocity setting
	float rtime;
	float ftime;
	uint8_t state; // RISE ? FALL etc
} vtl_env_t;

// variable speed
void vac_init( vactrol_t* self);
void vac_time( vactrol_t* self, float slew);
void vac_set( vactrol_t* self, float dest);
float vac_step( vactrol_t* self );
void vac_step_v( vactrol_t* self , float* out, uint16_t size);

// variable speed & ∆rise/fall relationship
void    vtl_init(   vtl_env_t* self);
void    vtl_mode(   vtl_env_t* self, uint8_t md );
void    vtl_prep(   vtl_env_t* self, float slew, float att);
void    vtl_dest(   vtl_env_t* self, float dest);
void    vtl_reset(  vtl_env_t* self, float dest);
float   vtl_get_id( vtl_env_t* self );
float   vtl_step(   vtl_env_t* self );
void  vtl_step_v( vtl_env_t* self , float* out, uint16_t size);