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Real-time clock (RTC)

UM1581

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DocID023800 Rev 1

19.2.25.3 RTC_GetTime

Function Name

void RTC_GetTime ( uint32_t RTC_Format, RTC_TimeTypeDef

* RTC_TimeStruct)

Function Description

Get the RTC current Time.

Parameters

 RTC_Format : specifies the format of the returned

parameters. This parameter can be one of the following

values:

 RTC_Format_BIN : Binary data format

 RTC_Format_BCD : BCD data format

 RTC_TimeStruct : pointer to a RTC_TimeTypeDef structure

that will contain the returned current time configuration.

Return values

 None.

Notes

 None.

19.2.25.4 RTC_GetSubSecond

Function Name

uint32_t RTC_GetSubSecond ( void )

Function Description

Gets the RTC current Calendar Subseconds value.

Parameters

 None.

Return values

 RTC current Calendar Subseconds value.

Notes

 This function freeze the Time and Date registers after reading

the SSR register.

19.2.25.5 RTC_SetDate

Function Name

ErrorStatus RTC_SetDate ( uint32_t RTC_Format,

RTC_DateTypeDef * RTC_DateStruct)

Function Description

Set the RTC current date.

ST STM32F31xx User Manual

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