#ifndef ADSR_H
#define ADSR_H

typedef struct adsr_t {
  float a;
  float peak;
  float d;
  float s;
  float r;
  unsigned long long elapsed;
} adsr_t;

float adsr_amplitude(adsr_t *adsr, float noteOn, float noteOff, unsigned long long elapsed);

#endif /* ADSR_H */