#ifndef RTC_H
#define RTC_H

#ifdef __cplusplus
extern "C" {
#endif

#define RTC_BASE 0x38027000

typedef union {
    unsigned int _val;
    struct {
        unsigned int_alarm_en : 1;
        unsigned int_it_en : 1;
        unsigned alrm_whup_en : 1;
        unsigned it_wkup_en : 1;
        unsigned used_cells : 4;
        unsigned : 24;
    };
} RRTC_CTRL_REG;

typedef union {
    unsigned int _val;
    struct {
        unsigned sxth : 4;
        unsigned sec : 4;
        unsigned tsec : 3;
        unsigned min : 4;
        unsigned tmin : 3;
        unsigned hour : 4;
        unsigned thour : 2;
        unsigned dow : 3;
        unsigned msxth : 1;
        unsigned msec : 1;
        unsigned mmin : 1;
        unsigned mhour : 1;
        unsigned mdow : 1;
    };
} RRTC_TIME_REG;

typedef union {
    unsigned int _val;
    struct {
        unsigned day : 4;
        unsigned tday : 2;
        unsigned mon : 4;
        unsigned tmon : 1;
        unsigned year : 4;
        unsigned tyear : 4;
        unsigned cen : 4;
        unsigned tcen : 4;
        unsigned mday : 1;
        unsigned mmon : 1;
        unsigned myear : 1;
        unsigned mcen : 1;
        unsigned : 1;
    };
} RRTC_DATE_REG;

typedef union {
    unsigned int _val;
    struct {
        unsigned int_alarm : 1;
        unsigned int_it : 1;
        unsigned alrm_whup : 1;
        unsigned it_wkup : 1;
        unsigned rct_reset : 1;
        unsigned apb_reset : 1;
        unsigned : 26;
    };
} RRTC_STAT_REG;

typedef volatile struct {
    volatile unsigned int ID;
    volatile unsigned int CTRL;
    volatile unsigned int TIME;
    volatile unsigned int DATE;
    volatile unsigned int TALRM;
    volatile unsigned int DALRM;
    volatile unsigned int STAT;
    volatile unsigned int TCNT;
    volatile unsigned int TCUR;
    volatile unsigned int skip[3];
} rtc_timer_t;

rtc_timer_t *get_rtc_dev();

void get_rtc_time(RRTC_TIME_REG *time);

void get_rtc_date(RRTC_DATE_REG *date);

void set_rtc_alarm_time(RRTC_TIME_REG *time);

void set_rtc_alarm_date(RRTC_DATE_REG *date);

void enable_int_alarm();

void disable_int_alarm();

void clear_int_alarm();

#ifdef __cplusplus
}
#endif

#endif /* UTIMERS_H */