Defines
#define	LL_RCC_CALC_SYSCLK_FREQ(__SYSINPUTCLKFREQ__, __SYSPRESCALER__) ((__SYSINPUTCLKFREQ__) >> ((LL_RCC_PrescTable[((__SYSPRESCALER__) & RCC_D1CFGR_D1CPRE) >> RCC_D1CFGR_D1CPRE_Pos]) & 0x1FU))
	Helper macro to calculate the SYSCLK frequency.
#define	LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __HPRESCALER__) ((__SYSCLKFREQ__) >> ((LL_RCC_PrescTable[((__HPRESCALER__) & RCC_D1CFGR_HPRE) >> RCC_D1CFGR_HPRE_Pos]) & 0x1FU))
	Helper macro to calculate the HCLK frequency.
#define	LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB1PRESCALER__) & RCC_D2CFGR_D2PPRE1) >> RCC_D2CFGR_D2PPRE1_Pos]) & 0x1FU))
	Helper macro to calculate the PCLK1 frequency (ABP1)
#define	LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB2PRESCALER__) & RCC_D2CFGR_D2PPRE2) >> RCC_D2CFGR_D2PPRE2_Pos]) & 0x1FU))
	Helper macro to calculate the PCLK2 frequency (ABP2)
#define	LL_RCC_CALC_PCLK3_FREQ(__HCLKFREQ__, __APB3PRESCALER__) ((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB3PRESCALER__) & RCC_D1CFGR_D1PPRE) >> RCC_D1CFGR_D1PPRE_Pos]) & 0x1FU))
	Helper macro to calculate the PCLK3 frequency (APB3)
#define	LL_RCC_CALC_PCLK4_FREQ(__HCLKFREQ__, __APB4PRESCALER__) ((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB4PRESCALER__) & RCC_D3CFGR_D3PPRE) >> RCC_D3CFGR_D3PPRE_Pos]) & 0x1FU))
	Helper macro to calculate the PCLK4 frequency (ABP4)

Define Documentation

#define LL_RCC_CALC_HCLK_FREQ	(	__SYSCLKFREQ__,
		__HPRESCALER__
	)	((__SYSCLKFREQ__) >> ((LL_RCC_PrescTable[((__HPRESCALER__) & RCC_D1CFGR_HPRE) >> RCC_D1CFGR_HPRE_Pos]) & 0x1FU))

Helper macro to calculate the HCLK frequency.

Parameters:

__SYSCLKFREQ__	SYSCLK frequency.
__HPRESCALER__	This parameter can be one of the following values: LL_RCC_AHB_DIV_1 LL_RCC_AHB_DIV_2 LL_RCC_AHB_DIV_4 LL_RCC_AHB_DIV_8 LL_RCC_AHB_DIV_16 LL_RCC_AHB_DIV_64 LL_RCC_AHB_DIV_128 LL_RCC_AHB_DIV_256 LL_RCC_AHB_DIV_512

Return values:

HCLK	clock frequency (in Hz)

Definition at line 1511 of file stm32h7xx_ll_rcc.h.

Referenced by RCC_GetHCLKClockFreq(), and UTILS_EnablePLLAndSwitchSystem().

#define LL_RCC_CALC_PCLK1_FREQ	(	__HCLKFREQ__,
		__APB1PRESCALER__
	)	((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB1PRESCALER__) & RCC_D2CFGR_D2PPRE1) >> RCC_D2CFGR_D2PPRE1_Pos]) & 0x1FU))

Helper macro to calculate the PCLK1 frequency (ABP1)

Parameters:

__HCLKFREQ__	HCLK frequency
__APB1PRESCALER__	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:

PCLK1 clock frequency (in Hz)

Definition at line 1528 of file stm32h7xx_ll_rcc.h.

Referenced by RCC_GetPCLK1ClockFreq().

#define LL_RCC_CALC_PCLK2_FREQ	(	__HCLKFREQ__,
		__APB2PRESCALER__
	)	((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB2PRESCALER__) & RCC_D2CFGR_D2PPRE2) >> RCC_D2CFGR_D2PPRE2_Pos]) & 0x1FU))

Helper macro to calculate the PCLK2 frequency (ABP2)

Parameters:

__HCLKFREQ__	HCLK frequency
__APB2PRESCALER__	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:

PCLK2 clock frequency (in Hz)

Definition at line 1545 of file stm32h7xx_ll_rcc.h.

Referenced by RCC_GetPCLK2ClockFreq().

#define LL_RCC_CALC_PCLK3_FREQ	(	__HCLKFREQ__,
		__APB3PRESCALER__
	)	((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB3PRESCALER__) & RCC_D1CFGR_D1PPRE) >> RCC_D1CFGR_D1PPRE_Pos]) & 0x1FU))

Helper macro to calculate the PCLK3 frequency (APB3)

Parameters:

__HCLKFREQ__	HCLK frequency
__APB3PRESCALER__	This parameter can be one of the following values: LL_RCC_APB3_DIV_1 LL_RCC_APB3_DIV_2 LL_RCC_APB3_DIV_4 LL_RCC_APB3_DIV_8 LL_RCC_APB3_DIV_16

Return values:

PCLK1 clock frequency (in Hz)

Definition at line 1562 of file stm32h7xx_ll_rcc.h.

Referenced by RCC_GetPCLK3ClockFreq().

#define LL_RCC_CALC_PCLK4_FREQ	(	__HCLKFREQ__,
		__APB4PRESCALER__
	)	((__HCLKFREQ__) >> ((LL_RCC_PrescTable[((__APB4PRESCALER__) & RCC_D3CFGR_D3PPRE) >> RCC_D3CFGR_D3PPRE_Pos]) & 0x1FU))

Helper macro to calculate the PCLK4 frequency (ABP4)

Parameters:

__HCLKFREQ__	HCLK frequency
__APB4PRESCALER__	This parameter can be one of the following values: LL_RCC_APB4_DIV_1 LL_RCC_APB4_DIV_2 LL_RCC_APB4_DIV_4 LL_RCC_APB4_DIV_8 LL_RCC_APB4_DIV_16

Return values:

PCLK1 clock frequency (in Hz)

Definition at line 1579 of file stm32h7xx_ll_rcc.h.

Referenced by RCC_GetPCLK4ClockFreq().

#define LL_RCC_CALC_SYSCLK_FREQ	(	__SYSINPUTCLKFREQ__,
		__SYSPRESCALER__
	)	((__SYSINPUTCLKFREQ__) >> ((LL_RCC_PrescTable[((__SYSPRESCALER__) & RCC_D1CFGR_D1CPRE) >> RCC_D1CFGR_D1CPRE_Pos]) & 0x1FU))

Helper macro to calculate the SYSCLK frequency.

Parameters:

__SYSINPUTCLKFREQ__	Frequency of the input of sys_ck (based on HSE/CSI/HSI/PLL1P)
__SYSPRESCALER__	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:

SYSCLK clock frequency (in Hz)

Definition at line 1490 of file stm32h7xx_ll_rcc.h.

Referenced by LL_RCC_GetDFSDMClockFreq(), LL_RCC_GetFMCClockFreq(), LL_RCC_GetI2CClockFreq(), LL_RCC_GetLPTIMClockFreq(), LL_RCC_GetLPUARTClockFreq(), LL_RCC_GetOSPIClockFreq(), LL_RCC_GetSPIClockFreq(), LL_RCC_GetSWPClockFreq(), and LL_RCC_GetUSARTClockFreq().

Defines

Define Documentation