#ifndef __DS3231_H
#define __DS3231_H

#ifdef __cplusplus
extern "C" {
#endif

#include "main.h"

typedef struct
{
    uint8_t year;
    uint8_t month;
    uint8_t date;
    uint8_t day;
    uint8_t hour;
    uint8_t minute;
    uint8_t second;
} DS3231_DateTime_t;

uint8_t DS3231_Init(I2C_HandleTypeDef *hi2c);
uint8_t DS3231_SetDateTime(const DS3231_DateTime_t *dateTime);
uint8_t DS3231_ClearAlarm1(void);
uint8_t DS3231_ConfigAlarm1EveryMinute(void);
uint8_t DS3231_ConfigAlarm1AfterMinutes(uint8_t minutesFromNow);

extern volatile uint8_t ds3231_last_control;
extern volatile uint8_t ds3231_last_status;
extern volatile uint8_t ds3231_last_error;

#ifdef __cplusplus
}
#endif

#endif