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#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include <util/delay.h>
#include "musical_notes.h"
#include "song_list.h"
#ifndef VOICES_H
#define VOICES_H
float voice_envelope(float frequency);
typedef enum {
default_voice,
butts_fader,
octave_crunch,
duty_osc,
number_of_voices // important that this is last
} voice_type;
void set_voice(voice_type v);
void voice_iterate();
void voice_deiterate();
#endif
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