esp-pwm/main/headers/un.h

#ifndef UN_H_
#define UN_H_

#include <stdint.h>

// https://mixbutton.com/music-tools/frequency-and-pitch/music-note-to-frequency-chart

// Octave 2
// typedef enum { P = -1, C = 65, D = 73, E = 82, F = 87, G = 98 } NoteFreq;

// Octave 4
typedef enum { P = -1, C = 262, D = 294, E = 330, F = 349, G = 392 } NoteFreq;

typedef struct {
    NoteFreq note;
    uint32_t length;
} Note;

const char* NoteFreqToStr(NoteFreq note);
void play_note(Note* note);
void un_task(void* param);

#endif // UN_H_