ctrl.h

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#pragma once
#ifndef DSY_KNOB_H
#define DSY_KNOB_H 
#include <stdint.h>
 
#ifdef __cplusplus
namespace daisy
{
class AnalogControl
{
  public:
    AnalogControl() {}
    ~AnalogControl() {}
 
    void Init(uint16_t *adcptr,
              float     sr,
              bool      flip         = false,
              bool      invert       = false,
              float     slew_seconds = 0.002f);
 
    void InitBipolarCv(uint16_t *adcptr, float sr);
 
    float Process();
 
    inline float Value() const { return val_; }
 
    // using conditionals since clamp() is unavailable
    inline void SetCoeff(float val)
    {
        val = val > 1.f ? 1.f : val;
        val = val < 0.f ? 0.f : val;
 
        coeff_ = val;
    }
 
    inline void SetScale(const float scale) { scale_ = scale; }
 
    inline void SetOffset(const float offset) { offset_ = offset; }
 
    inline uint16_t GetRawValue() { return *raw_; }
 
    inline float GetRawFloat() { return (float)(*raw_) / 65535.f; }
 
    void SetSampleRate(float sample_rate);
 
  private:
    uint16_t *raw_;
    float     coeff_, samplerate_, val_;
    float     scale_, offset_;
    bool      flip_;
    bool      invert_;
    bool      is_bipolar_;
    float     slew_seconds_;
};
} // namespace daisy
#endif
#endif