ST STM32F31xx - Page 371

UM1581
Real-time clock (RTC)
DocID023800 Rev 1
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19.2.24.2 RTC_GetFlagStatus
Function Name
FlagStatus RTC_GetFlagStatus ( uint32_t RTC_FLAG)
Function Description
Checks whether the specified RTC flag is set or not.
Parameters
 RTC_FLAG : specifies the flag to check. This parameter can
be one of the following values:
 RTC_FLAG_RECALPF : RECALPF event flag
 RTC_FLAG_TAMP3F : Tamper 3 event flag
 RTC_FLAG_TAMP2F : Tamper 2 event flag
 RTC_FLAG_TAMP1F : Tamper 1 event flag
 RTC_FLAG_TSOVF : Time Stamp OverFlow flag
 RTC_FLAG_TSF : Time Stamp event flag
 RTC_FLAG_WUTF : WakeUp Timer flag
 RTC_FLAG_ALRBF : Alarm B flag
 RTC_FLAG_ALRAF : Alarm A flag
 RTC_FLAG_INITF : Initialization mode flag
 RTC_FLAG_RSF : Registers Synchronized flag
 RTC_FLAG_INITS : Registers Configured flag : Shift
operation pending flag.
 RTC_FLAG_WUTWF : WakeUp Timer Write flag
 RTC_FLAG_ALRBWF : Alarm B Write flag
 RTC_FLAG_ALRAWF : Alarm A write flag
Return values
 The new state of RTC_FLAG (SET or RESET).
Notes
 None.
19.2.24.3 RTC_ClearFlag
Function Name
void RTC_ClearFlag ( uint32_t RTC_FLAG)
Function Description
Clears the RTC's pending flags.
Parameters
 RTC_FLAG : specifies the RTC flag to clear. This parameter
can be any combination of the following values:
 RTC_FLAG_TAMP3F : Tamper 3 event flag
 RTC_FLAG_TAMP2F : Tamper 2 event flag
 RTC_FLAG_TAMP1F : Tamper 1 event flag
 RTC_FLAG_TSOVF : Time Stamp Overflow flag
 RTC_FLAG_TSF : Time Stamp event flag