/* Driver for the STM32L151 RTC */

#pragma once

#include <stdint.h>
#include <stdbool.h>

typedef struct {
    uint16_t year;
    uint8_t month;
    uint8_t day;
    uint8_t hour;
    uint8_t minute;
    uint8_t second;
    uint8_t day_of_week; /* Not needed when setting time, 1 = Monday */
} time_t;

void set_rtc(const time_t *time);

// Returns false if RTC has not been set.
bool get_rtc(time_t *time);

// Check if the sun is up at given time.
bool is_sun_up(const time_t *time);

// Go to STOP mode for given number of milliseconds.
void rtc_sleep(int timeout_msec);