HAL_RCC_GetHCLKFreq() function

Returns the HCLK frequency

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Declaration

Definition

from stm32f4xx_hal_rcc.h:1257

uint32_t HAL_RCC_GetHCLKFreq(void);

Implemented in stm32f4xx_hal_rcc.c:941

Return value

HCLK frequency

Notes

Each time HCLK changes, this function must be called to update the right HCLK value. Otherwise, any configuration based on this function will be incorrect. The SystemCoreClock CMSIS variable is used to store System Clock Frequency and updated within this function

Examples

HAL_RCC_GetHCLKFreq() is referenced by 25 libraries and example projects:

References

from examples

HAL_RCC_GetHCLKFreq() function

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