__HAL_RCC_GET_PLL_OSCSOURCE macro

Macro to get the oscillator used as PLL clock source.

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Declaration

from stm32f4xx_hal_rcc.h:1089

#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))

Return value

The oscillator used as PLL clock source. The returned value can be one of the following: - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source. - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.

Examples

__HAL_RCC_GET_PLL_OSCSOURCE is referenced by 18 libraries and example projects:

References

from examples

__HAL_RCC_GET_PLL_OSCSOURCE macro

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