ST STM32F2 - Ll_Rtc_Disablewriteprotection; Ll_Rtc_Enablewriteprotection; Ll_Rtc_Getsynchprescaler; Ll_Rtc_Time_Setformat

LL RTC Generic Driver
UM1940
1068/1371
DocID028236 Rev 2
LL_RTC_GetSynchPrescaler
Function name
__STATIC_INLINE uint32_t LL_RTC_GetSynchPrescaler
(RTC_TypeDef * RTCx)
Function description
Get Synchronous prescaler factor.
Parameters
RTCx: RTC Instance
Return values
Value: between Min_Data = 0 and Max_Data = 0x7FFF
Reference Manual to
LL API cross
reference:
PRER PREDIV_S LL_RTC_GetSynchPrescaler
LL_RTC_EnableWriteProtection
Function name
__STATIC_INLINE void LL_RTC_EnableWriteProtection
(RTC_TypeDef * RTCx)
Function description
Enable the write protection for RTC registers.
Parameters
RTCx: RTC Instance
Return values
None:
Reference Manual to
LL API cross
reference:
WPR KEY LL_RTC_EnableWriteProtection
LL_RTC_DisableWriteProtection
Function name
__STATIC_INLINE void LL_RTC_DisableWriteProtection
(RTC_TypeDef * RTCx)
Function description
Disable the write protection for RTC registers.
Parameters
RTCx: RTC Instance
Return values
None:
Reference Manual to
LL API cross
reference:
WPR KEY LL_RTC_DisableWriteProtection
LL_RTC_TIME_SetFormat
Function name
__STATIC_INLINE void LL_RTC_TIME_SetFormat
(RTC_TypeDef * RTCx, uint32_t TimeFormat)
Function description
Set time format (AM/24-hour or PM notation)
Parameters
RTCx: RTC Instance
TimeFormat: This parameter can be one of the following
values:
LL_RTC_TIME_FORMAT_AM_OR_24
LL_RTC_TIME_FORMAT_PM
Return values
None:
Notes
Bit is write-protected. LL_RTC_DisableWriteProtection
function should be called before.