/*
 * Sound.h
 *
 *  Created on: Oct 1, 2024
 *      Author: DashyFox
 */

#ifndef INC_SOUND_H_
#define INC_SOUND_H_

#include <stdint.h>

// Define default timer and channels
#define SOUND_TIMER        TIM4
#define SOUND_TIMER_RCC    RCC_APB1ENR_TIM4EN
#define SOUND_CHANNEL_1    3  // TIM4 Channel 3
#define SOUND_CHANNEL_2    4  // TIM4 Channel 4

// Define the Note structure
typedef struct {
    uint32_t frequency;    // Frequency in Hz
    uint32_t duration;     // Duration in milliseconds, 0 means infinite
    uint8_t duty_cycle;    // PWM duty cycle in percentage (0-100)
} Note_t;

// Enum for musical notes
typedef enum {
    NOTE_C4 = 261,
    NOTE_D4 = 293,
    NOTE_E4 = 329,
    NOTE_F4 = 349,
    NOTE_G4 = 392,
    NOTE_A4 = 440,
    NOTE_B4 = 493,
    NOTE_C5 = 523,
    // Add more notes as needed
    NOTE_REST = 0
} MusicalNote_t;

// Enum for note durations (in fractions of a whole note)
typedef enum {
    DURATION_WHOLE = 1,
    DURATION_HALF = 2,
    DURATION_QUARTER = 4,
    DURATION_EIGHTH = 8,
    DURATION_SIXTEENTH = 16
    // Add more durations as needed
} NoteDuration_t;

// Function declarations
void sound_init(void);
void sound_set_bpm(uint32_t bpm);
void sound_play_note(Note_t note, uint8_t channel);
void sound_tick(void);
Note_t sound_create_note(MusicalNote_t note, NoteDuration_t duration, uint8_t duty_cycle);


#endif /* INC_SOUND_H_ */