LL_RCC_SetRTCClockSource() function

Set RTC Clock Source

Syntax

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Declaration

from stm32f4xx_ll_rcc.h:3984

__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source);

Arguments

Argument

Description

Source

This parameter can be one of the following values: @arg LL_RCC_RTC_CLKSOURCE_NONE @arg LL_RCC_RTC_CLKSOURCE_LSE @arg LL_RCC_RTC_CLKSOURCE_LSI @arg LL_RCC_RTC_CLKSOURCE_HSE

Return value

None

Notes

Once the RTC clock source has been selected, it cannot be changed anymore unless the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is set). The BDRST bit can be used to reset them.

Examples

LL_RCC_SetRTCClockSource() is referenced by 5 libraries and example projects:

References

from examples

LL_RCC_SetRTCClockSource() function

Syntax

Arguments

Return value

Notes

Examples

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