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/**************************************************************************//**
* @file rtc.h
* @version V3.00
* $Revision: 10 $
* $Date: 15/08/11 10:26a $
* @brief M451 series RTC driver header file
*
* @note
* Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __RTC_H__
#define __RTC_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup RTC_Driver RTC Driver
@{
*/
/** @addtogroup RTC_EXPORTED_CONSTANTS RTC Exported Constants
@{
*/
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Initial Keyword Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_INIT_KEY 0xA5EB1357UL /*!< RTC Initiation Key to make RTC leaving reset state */
#define RTC_WRITE_KEY 0x0000A965UL /*!< RTC Register Access Enable Key to enable RTC read/write accessible and kept 1024 RTC clock */
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Time Attribute Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_CLOCK_12 0 /*!< RTC as 12-hour time scale with AM and PM indication */
#define RTC_CLOCK_24 1 /*!< RTC as 24-hour time scale */
#define RTC_AM 1 /*!< RTC as AM indication */
#define RTC_PM 2 /*!< RTC as PM indication */
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Tick Period Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_TICK_1_SEC 0x0UL /*!< RTC time tick period is 1 second */
#define RTC_TICK_1_2_SEC 0x1UL /*!< RTC time tick period is 1/2 second */
#define RTC_TICK_1_4_SEC 0x2UL /*!< RTC time tick period is 1/4 second */
#define RTC_TICK_1_8_SEC 0x3UL /*!< RTC time tick period is 1/8 second */
#define RTC_TICK_1_16_SEC 0x4UL /*!< RTC time tick period is 1/16 second */
#define RTC_TICK_1_32_SEC 0x5UL /*!< RTC time tick period is 1/32 second */
#define RTC_TICK_1_64_SEC 0x6UL /*!< RTC time tick period is 1/64 second */
#define RTC_TICK_1_128_SEC 0x7UL /*!< RTC time tick period is 1/128 second */
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Day of Week Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_SUNDAY 0x0UL /*!< Day of the Week is Sunday */
#define RTC_MONDAY 0x1UL /*!< Day of the Week is Monday */
#define RTC_TUESDAY 0x2UL /*!< Day of the Week is Tuesday */
#define RTC_WEDNESDAY 0x3UL /*!< Day of the Week is Wednesday */
#define RTC_THURSDAY 0x4UL /*!< Day of the Week is Thursday */
#define RTC_FRIDAY 0x5UL /*!< Day of the Week is Friday */
#define RTC_SATURDAY 0x6UL /*!< Day of the Week is Saturday */
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Snooper Detection Mode Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_SNOOPER_LOW_LEVEL 0x0UL /*!< Snooper pin detected is low-level trigger */
#define RTC_SNOOPER_HIGH_LEVEL 0x2UL /*!< Snooper pin detected is high-level trigger */
#define RTC_SNOOPER_FALLING_EDGE 0x8UL /*!< Snooper pin detected is falling-edge trigger */
#define RTC_SNOOPER_RISING_EDGE 0xAUL /*!< Snooper pin detected is rising-edge trigger */
#define RTC_SNOOPER_DETECT_Msk 0xAUL /*!< Snooper pin detected mask bits */
/*---------------------------------------------------------------------------------------------------------*/
/* RTC Miscellaneous Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define RTC_WAIT_COUNT 0xFFFFFFFF /*!< Initial Time-out Value */
#define RTC_YEAR2000 2000 /*!< RTC Reference for compute year data */
#define RTC_FCR_REFERENCE 32761 /*!< RTC Reference for frequency compensation */
/*@}*/ /* end of group RTC_EXPORTED_CONSTANTS */
/** @addtogroup RTC_EXPORTED_STRUCTS RTC Exported Structs
@{
*/
/**
* @details RTC define Time Data Struct
*/
typedef struct
{
uint32_t u32Year; /*!< Year value */
uint32_t u32Month; /*!< Month value */
uint32_t u32Day; /*!< Day value */
uint32_t u32DayOfWeek; /*!< Day of week value */
uint32_t u32Hour; /*!< Hour value */
uint32_t u32Minute; /*!< Minute value */
uint32_t u32Second; /*!< Second value */
uint32_t u32TimeScale; /*!< 12-Hour, 24-Hour */
uint32_t u32AmPm; /*!< Only Time Scale select 12-hr used */
} S_RTC_TIME_DATA_T;
/*@}*/ /* end of group RTC_EXPORTED_STRUCTS */
/** @addtogroup RTC_EXPORTED_FUNCTIONS RTC Exported Functions
@{
*/
/**
* @brief Indicate is Leap Year or not
*
* @param None
*
* @retval 0 This year is not a leap year
* @retval 1 This year is a leap year
*
* @details According to current date, return this year is leap year or not.
*/
#define RTC_IS_LEAP_YEAR() (RTC->LEAPYEAR & RTC_LEAPYEAR_LEAPYEAR_Msk ? 1:0)
/**
* @brief Clear RTC Alarm Interrupt Flag
*
* @param None
*
* @return None
*
* @details This macro is used to clear RTC alarm interrupt flag.
*/
#define RTC_CLEAR_ALARM_INT_FLAG() (RTC->INTSTS = (RTC->INTSTS & ~(RTC_INTSTS_TICKIF_Msk | RTC_INTSTS_SNPDIF_Msk)) | RTC_INTSTS_ALMIF_Msk)
/**
* @brief Clear RTC Tick Interrupt Flag
*
* @param None
*
* @return None
*
* @details This macro is used to clear RTC tick interrupt flag.
*/
#define RTC_CLEAR_TICK_INT_FLAG() (RTC->INTSTS = (RTC->INTSTS & ~(RTC_INTSTS_ALMIF_Msk | RTC_INTSTS_SNPDIF_Msk)) | RTC_INTSTS_TICKIF_Msk)
/**
* @brief Clear RTC Snooper Interrupt Flag
*
* @param None
*
* @return None
*
* @details This macro is used to clear RTC snooper pin interrupt flag.
*/
#define RTC_CLEAR_SNOOPER_INT_FLAG() (RTC->INTSTS = (RTC->INTSTS & ~(RTC_INTSTS_ALMIF_Msk | RTC_INTSTS_TICKIF_Msk)) | RTC_INTSTS_SNPDIF_Msk)
/**
* @brief Get RTC Alarm Interrupt Flag
*
* @param None
*
* @retval 0 RTC alarm interrupt did not occur
* @retval 1 RTC alarm interrupt occurred
*
* @details This macro indicates RTC alarm interrupt occurred or not.
*/
#define RTC_GET_ALARM_INT_FLAG() ((RTC->INTSTS & RTC_INTSTS_ALMIF_Msk)? 1:0)
/**
* @brief Get RTC Time Tick Interrupt Flag
*
* @param None
*
* @retval 0 RTC time tick interrupt did not occur
* @retval 1 RTC time tick interrupt occurred
*
* @details This macro indicates RTC time tick interrupt occurred or not.
*/
#define RTC_GET_TICK_INT_FLAG() ((RTC->INTSTS & RTC_INTSTS_TICKIF_Msk)? 1:0)
/**
* @brief Get RTC Snooper Interrupt Flag
*
* @param None
*
* @retval 0 RTC snooper pin interrupt did not occur
* @retval 1 RTC snooper pin interrupt occurred
*
* @details This macro indicates RTC snooper pin interrupt occurred or not.
*/
#define RTC_GET_SNPPOER_INT_FLAG() ((RTC->INTSTS & RTC_INTSTS_SNPDIF_Msk)? 1:0)
/**
* @brief Read Spare Register
*
* @param[in] u32RegNum The spare register number, 0~19.
*
* @return Spare register content
*
* @details Read the specify spare register content.
* @note The returned value is valid only when SPRRDY(SPRCTL[7] SPR Register Ready) bit is set. \n
* And its controlled by RTC Access Enable Register.
*/
#define RTC_READ_SPARE_REGISTER(u32RegNum) (RTC->SPR[(u32RegNum)])
/**
* @brief Write Spare Register
*
* @param[in] u32RegNum The spare register number, 0~19.
* @param[in] u32RegValue The spare register value.
*
* @return None
*
* @details Write specify data to spare register.
* @note This macro is effect only when SPRRDY(SPRCTL[7] SPR Register Ready) bit is set. \n
* And its controlled by RTC Access Enable Register(RTC_RWEN).
*/
#define RTC_WRITE_SPARE_REGISTER(u32RegNum, u32RegValue) (RTC->SPR[(u32RegNum)] = (u32RegValue))
/**
* @brief Wait RTC Access Enable
*
* @param None
*
* @return None
*
* @details This function is used to enable the maximum RTC read/write accessible time.
*/
static __INLINE void RTC_WaitAccessEnable(void)
{
/* To wait RWENF bit is cleared and enable RWENF bit (Access Enable bit) again */
while((RTC->RWEN & RTC_RWEN_RWENF_Msk) == RTC_RWEN_RWENF_Msk);
RTC->RWEN = RTC_WRITE_KEY;
/* To wait RWENF bit is set and user can access the protected-register of RTC from now on */
while((RTC->RWEN & RTC_RWEN_RWENF_Msk) == 0x0);
}
void RTC_Open(S_RTC_TIME_DATA_T *sPt);
void RTC_Close(void);
void RTC_32KCalibration(int32_t i32FrequencyX100);
void RTC_GetDateAndTime(S_RTC_TIME_DATA_T *sPt);
void RTC_GetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt);
void RTC_SetDateAndTime(S_RTC_TIME_DATA_T *sPt);
void RTC_SetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt);
void RTC_SetDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day, uint32_t u32DayOfWeek);
void RTC_SetTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm);
void RTC_SetAlarmDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day);
void RTC_SetAlarmTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm);
uint32_t RTC_GetDayOfWeek(void);
void RTC_SetTickPeriod(uint32_t u32TickSelection);
void RTC_EnableInt(uint32_t u32IntFlagMask);
void RTC_DisableInt(uint32_t u32IntFlagMask);
void RTC_EnableSpareAccess(void);
void RTC_DisableSpareRegister(void);
void RTC_EnableSnooperDetection(uint32_t u32PinCondition);
void RTC_DisableSnooperDetection(void);
/*@}*/ /* end of group RTC_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group RTC_Driver */
/*@}*/ /* end of group Standard_Driver */
#ifdef __cplusplus
}
#endif
#endif //__RTC_H__
/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/
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