rt-thread/bsp/synwit/libraries/SWM341_CSL/SWM341_StdPeriph_Driver/SWM341_rtc.h

#ifndef __SWM341_RTC_H__
#define __SWM341_RTC_H__


#define RTC_CLKSRC_LRC32K   0
#define RTC_CLKSRC_XTAL32K  1

#define RTC_SUN   0x01
#define RTC_MON   0x02
#define RTC_TUE   0x04
#define RTC_WED   0x08
#define RTC_THU   0x10
#define RTC_FRI   0x20
#define RTC_SAT   0x40


typedef struct {
    uint8_t  clksrc;        //RTC_CLKSRC_RC32K、RTC_CLKSRC_XTAL32K
    uint16_t Year;
    uint8_t  Month;         //取值1--12
    uint8_t  Date;          //取值1--31
    uint8_t  Hour;          //取值0--23
    uint8_t  Minute;        //取值0--59
    uint8_t  Second;        //取值0--59
    uint8_t  SecondIEn;
    uint8_t  MinuteIEn;
} RTC_InitStructure;

typedef struct {
    uint8_t  Days;          //RTC_SUN、RTC_MON、RTC_TUE、RTC_WED、RTC_THU、RTC_FRI、RTC_SAT及其或运算组合
    uint8_t  Hour;
    uint8_t  Minute;
    uint8_t  Second;
    uint8_t  AlarmIEn;
} RTC_AlarmStructure;

typedef struct {
    uint16_t Year;
    uint8_t  Month;
    uint8_t  Date;
    uint8_t  Day;           //RTC_SUN、RTC_MON、RTC_TUE、RTC_WED、RTC_THU、RTC_FRI、RTC_SAT
    uint8_t  Hour;
    uint8_t  Minute;
    uint8_t  Second;
} RTC_DateTime;


/* Interrupt Type */
#define RTC_IT_SECOND       (1 << 0)    //Second Interrupt
#define RTC_IT_MINUTE       (1 << 1)
#define RTC_IT_HOUR         (1 << 2)
#define RTC_IT_DATE         (1 << 3)
#define RTC_IT_ALARM        (1 << 4)
#define RTC_IT_SECOND_DIV2  (1 << 6)    //1/2 Second Interrupt
#define RTC_IT_SECOND_DIV4  (1 << 7)    //1/4 Second Interrupt



void RTC_Init(RTC_TypeDef * RTCx, RTC_InitStructure * initStruct);
void RTC_Start(RTC_TypeDef * RTCx);
void RTC_Stop(RTC_TypeDef * RTCx);

void RTC_GetDateTime(RTC_TypeDef * RTCx, RTC_DateTime * dateTime);

void RTC_AlarmSetup(RTC_TypeDef * RTCx, RTC_AlarmStructure * alarmStruct);


void RTC_INTEn(RTC_TypeDef * RTCx, uint32_t it);
void RTC_INTDis(RTC_TypeDef * RTCx, uint32_t it);
void RTC_INTClr(RTC_TypeDef * RTCx, uint32_t it);
uint32_t RTC_INTStat(RTC_TypeDef * RTCx, uint32_t it);

#endif //__SWM341_RTC_H__