#pragma once

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ----------------------------------------------------------------- */
#include "device.h"          
#include "bsp/pwm.h"         
#include <stddef.h>
#include <stdint.h>

/* USER INCLUDE BEGIN */

/* USER INCLUDE END */

/* Exported constants ------------------------------------------------------- */

/* USER DEFINE BEGIN */

/* USER DEFINE END */

/* Exported types ----------------------------------------------------------- */

typedef enum {
    NOTE_C = 0,
    NOTE_CS = 1,   // C#
    NOTE_D = 2,
    NOTE_DS = 3,   // D#
    NOTE_E = 4,
    NOTE_F = 5,
    NOTE_FS = 6,   // F#
    NOTE_G = 7,
    NOTE_GS = 8,   // G#
    NOTE_A = 9,
    NOTE_AS = 10,  // A#
    NOTE_B = 11,
    NOTE_REST = 255 // 休止符
} NOTE_t;

typedef struct {
    NOTE_t note; // 音符名称
    uint8_t octave; // 八度
    uint16_t duration_ms; // 持续时间，单位毫秒
} Tone_t;

typedef enum {
    MUSIC_RM,
    MUSIC_NOKIA,
} MUSIC_t;


typedef struct {
    DEVICE_Header_t header;    
    BSP_PWM_Channel_t channel; 
} BUZZER_t;

/* USER STRUCT BEGIN */

/* USER STRUCT END */

/* Exported functions prototypes -------------------------------------------- */

int8_t BUZZER_Init(BUZZER_t *buzzer, BSP_PWM_Channel_t channel);

int8_t BUZZER_Start(BUZZER_t *buzzer);

int8_t BUZZER_Stop(BUZZER_t *buzzer);

int8_t BUZZER_Set(BUZZER_t *buzzer, float freq, float duty_cycle);

int8_t BUZZER_PlayMusic(BUZZER_t *buzzer, MUSIC_t music);

/* USER FUNCTION BEGIN */

/* USER FUNCTION END */

#ifdef __cplusplus
}
#endif