#define RTC_FREQUENCY_1024HZ 0b110
#define RTC_DIVIDER_33KHZ (0b010 << 4)
-typedef struct
-{
- uint32_t year; // use int32 as we need to store the 4-digit year
- uint8_t month;
- uint8_t day;
- uint8_t weekday;
- uint8_t hour;
- uint8_t minute;
- uint8_t second;
-} rtc_datetime;
-
void
rtc_init();
void
rtc_write_reg(uint8_t reg_selector, uint8_t val);
-void
-rtc_get_datetime(rtc_datetime* datetime);
-
void
rtc_enable_timer();