System

Collaboration diagram for System:

Functions
__STATIC_INLINE void	LL_RCC_SetSysClkSource (uint32_t Source)
	Configure the system clock source @rmtoll CFGR SW LL_RCC_SetSysClkSource. More...
__STATIC_INLINE uint32_t	LL_RCC_GetSysClkSource (void)
	Get the system clock source @rmtoll CFGR SWS LL_RCC_GetSysClkSource. More...
__STATIC_INLINE void	LL_RCC_SetAHBPrescaler (uint32_t Prescaler)
	Set AHB prescaler @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler. More...
__STATIC_INLINE void	LL_RCC_SetAPB1Prescaler (uint32_t Prescaler)
	Set APB1 prescaler @rmtoll CFGR PPRE1 LL_RCC_SetAPB1Prescaler. More...
__STATIC_INLINE void	LL_RCC_SetAPB2Prescaler (uint32_t Prescaler)
	Set APB2 prescaler @rmtoll CFGR PPRE2 LL_RCC_SetAPB2Prescaler. More...
__STATIC_INLINE uint32_t	LL_RCC_GetAHBPrescaler (void)
	Get AHB prescaler @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler. More...
__STATIC_INLINE uint32_t	LL_RCC_GetAPB1Prescaler (void)
	Get APB1 prescaler @rmtoll CFGR PPRE1 LL_RCC_GetAPB1Prescaler. More...
__STATIC_INLINE uint32_t	LL_RCC_GetAPB2Prescaler (void)
	Get APB2 prescaler @rmtoll CFGR PPRE2 LL_RCC_GetAPB2Prescaler. More...

Detailed Description

Function Documentation

LL_RCC_GetAHBPrescaler()

__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler

(

void

)

Get AHB prescaler @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler.

Return values

Returned

value can be one of the following values: LL_RCC_SYSCLK_DIV_1 LL_RCC_SYSCLK_DIV_2 LL_RCC_SYSCLK_DIV_4 LL_RCC_SYSCLK_DIV_8 LL_RCC_SYSCLK_DIV_16 LL_RCC_SYSCLK_DIV_64 LL_RCC_SYSCLK_DIV_128 LL_RCC_SYSCLK_DIV_256 LL_RCC_SYSCLK_DIV_512

Definition at line 3276 of file stm32f4xx_ll_rcc.h.

LL_RCC_GetAPB1Prescaler()

__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler

(

void

)

Get APB1 prescaler @rmtoll CFGR PPRE1 LL_RCC_GetAPB1Prescaler.

Return values

Returned

value can be one of the following values: LL_RCC_APB1_DIV_1 LL_RCC_APB1_DIV_2 LL_RCC_APB1_DIV_4 LL_RCC_APB1_DIV_8 LL_RCC_APB1_DIV_16

Definition at line 3291 of file stm32f4xx_ll_rcc.h.

LL_RCC_GetAPB2Prescaler()

__STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler

(

void

)

Get APB2 prescaler @rmtoll CFGR PPRE2 LL_RCC_GetAPB2Prescaler.

Return values

Returned

value can be one of the following values: LL_RCC_APB2_DIV_1 LL_RCC_APB2_DIV_2 LL_RCC_APB2_DIV_4 LL_RCC_APB2_DIV_8 LL_RCC_APB2_DIV_16

Definition at line 3306 of file stm32f4xx_ll_rcc.h.

LL_RCC_GetSysClkSource()

__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource

(

void

)

Get the system clock source @rmtoll CFGR SWS LL_RCC_GetSysClkSource.

Return values

Returned

value can be one of the following values: LL_RCC_SYS_CLKSOURCE_STATUS_HSI LL_RCC_SYS_CLKSOURCE_STATUS_HSE LL_RCC_SYS_CLKSOURCE_STATUS_PLL LL_RCC_SYS_CLKSOURCE_STATUS_PLLR (*) (*) value not defined in all devices.

Definition at line 3205 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetAHBPrescaler()

__STATIC_INLINE void LL_RCC_SetAHBPrescaler

(

uint32_t

Prescaler

)

Set AHB prescaler @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler.

Parameters

Prescaler

This parameter can be one of the following values: LL_RCC_SYSCLK_DIV_1 LL_RCC_SYSCLK_DIV_2 LL_RCC_SYSCLK_DIV_4 LL_RCC_SYSCLK_DIV_8 LL_RCC_SYSCLK_DIV_16 LL_RCC_SYSCLK_DIV_64 LL_RCC_SYSCLK_DIV_128 LL_RCC_SYSCLK_DIV_256 LL_RCC_SYSCLK_DIV_512

Return values

None

Definition at line 3225 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetAPB1Prescaler()

__STATIC_INLINE void LL_RCC_SetAPB1Prescaler

(

uint32_t

Prescaler

)

Set APB1 prescaler @rmtoll CFGR PPRE1 LL_RCC_SetAPB1Prescaler.

Parameters

Prescaler

This parameter can be one of the following values: LL_RCC_APB1_DIV_1 LL_RCC_APB1_DIV_2 LL_RCC_APB1_DIV_4 LL_RCC_APB1_DIV_8 LL_RCC_APB1_DIV_16

Return values

None

Definition at line 3241 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetAPB2Prescaler()

__STATIC_INLINE void LL_RCC_SetAPB2Prescaler

(

uint32_t

Prescaler

)

Set APB2 prescaler @rmtoll CFGR PPRE2 LL_RCC_SetAPB2Prescaler.

Parameters

Prescaler

This parameter can be one of the following values: LL_RCC_APB2_DIV_1 LL_RCC_APB2_DIV_2 LL_RCC_APB2_DIV_4 LL_RCC_APB2_DIV_8 LL_RCC_APB2_DIV_16

Return values

None

Definition at line 3257 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetSysClkSource()

__STATIC_INLINE void LL_RCC_SetSysClkSource

(

uint32_t

Source

)

Configure the system clock source @rmtoll CFGR SW LL_RCC_SetSysClkSource.

Parameters

Source

This parameter can be one of the following values: LL_RCC_SYS_CLKSOURCE_HSI LL_RCC_SYS_CLKSOURCE_HSE LL_RCC_SYS_CLKSOURCE_PLL LL_RCC_SYS_CLKSOURCE_PLLR (*) (*) value not defined in all devices.

Return values

None

Definition at line 3189 of file stm32f4xx_ll_rcc.h.