Header file of RCC HAL Extended module. More...

Data Structures
struct	RCC_PLLSAI2InitTypeDef
	PLLSAI2 Clock structure definition. More...

struct	RCC_PeriphCLKInitTypeDef
	RCC extended clocks structure definition. More...

struct	RCC_CRSInitTypeDef
	RCC_CRS Init structure definition. More...

struct	RCC_CRSSynchroInfoTypeDef
	RCC_CRS Synchronization structure definition. More...

Functions
HAL_StatusTypeDef	HAL_RCCEx_PeriphCLKConfig (RCC_PeriphCLKInitTypeDef *PeriphClkInit)
	Initialize the RCC extended peripherals clocks according to the specified parameters in the RCC_PeriphCLKInitTypeDef. More...

void	HAL_RCCEx_GetPeriphCLKConfig (RCC_PeriphCLKInitTypeDef *PeriphClkInit)
	Get the RCC_ClkInitStruct according to the internal RCC configuration registers. More...

uint32_t	HAL_RCCEx_GetPeriphCLKFreq (uint32_t PeriphClk)
	Return the peripheral clock frequency for peripherals with clock source from PLLSAIs. More...

HAL_StatusTypeDef	HAL_RCCEx_EnablePLLSAI1 (RCC_PLLSAI1InitTypeDef *PLLSAI1Init)
	Enable PLLSAI1. More...

HAL_StatusTypeDef	HAL_RCCEx_DisablePLLSAI1 (void)
	Disable PLLSAI1. More...

HAL_StatusTypeDef	HAL_RCCEx_EnablePLLSAI2 (RCC_PLLSAI2InitTypeDef *PLLSAI2Init)
	Enable PLLSAI2. More...

HAL_StatusTypeDef	HAL_RCCEx_DisablePLLSAI2 (void)
	Disable PLLISAI2. More...

void	HAL_RCCEx_WakeUpStopCLKConfig (uint32_t WakeUpClk)
	Configure the oscillator clock source for wakeup from Stop and CSS backup clock. More...

void	HAL_RCCEx_StandbyMSIRangeConfig (uint32_t MSIRange)
	Configure the MSI range after standby mode. More...

void	HAL_RCCEx_EnableLSECSS (void)
	Enable the LSE Clock Security System. More...

void	HAL_RCCEx_DisableLSECSS (void)
	Disable the LSE Clock Security System. More...

void	HAL_RCCEx_EnableLSECSS_IT (void)
	Enable the LSE Clock Security System Interrupt & corresponding EXTI line. More...

void	HAL_RCCEx_LSECSS_IRQHandler (void)
	Handle the RCC LSE Clock Security System interrupt request. More...

void	HAL_RCCEx_LSECSS_Callback (void)
	RCCEx LSE Clock Security System interrupt callback. More...

void	HAL_RCCEx_EnableLSCO (uint32_t LSCOSource)
	Select the Low Speed clock source to output on LSCO pin (PA2). More...

void	HAL_RCCEx_DisableLSCO (void)
	Disable the Low Speed clock output. More...

void	HAL_RCCEx_EnableMSIPLLMode (void)
	Enable the PLL-mode of the MSI. More...

void	HAL_RCCEx_DisableMSIPLLMode (void)
	Disable the PLL-mode of the MSI. More...

void	HAL_RCCEx_CRSConfig (RCC_CRSInitTypeDef *pInit)
	Start automatic synchronization for polling mode. More...

void	HAL_RCCEx_CRSSoftwareSynchronizationGenerate (void)
	Generate the software synchronization event. More...

void	HAL_RCCEx_CRSGetSynchronizationInfo (RCC_CRSSynchroInfoTypeDef *pSynchroInfo)
	Return synchronization info. More...

uint32_t	HAL_RCCEx_CRSWaitSynchronization (uint32_t Timeout)
	Wait for CRS Synchronization status. More...

void	HAL_RCCEx_CRS_IRQHandler (void)
	Handle the Clock Recovery System interrupt request. More...

void	HAL_RCCEx_CRS_SyncOkCallback (void)
	RCCEx Clock Recovery System SYNCOK interrupt callback. More...

void	HAL_RCCEx_CRS_SyncWarnCallback (void)
	RCCEx Clock Recovery System SYNCWARN interrupt callback. More...

void	HAL_RCCEx_CRS_ExpectedSyncCallback (void)
	RCCEx Clock Recovery System Expected SYNC interrupt callback. More...

void	HAL_RCCEx_CRS_ErrorCallback (uint32_t Error)
	RCCEx Clock Recovery System Error interrupt callback. More...

Variables
	C

Detailed Description

Header file of RCC HAL Extended module.

Author: MCD Application Team

Attention

© Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software component is licensed by ST under BSD 3-Clause license, the "License"; You may not use this file except in compliance with the License. You may obtain a copy of the License at: opensource.org/licenses/BSD-3-Clause

Definition in file stm32l4xx_hal_rcc_ex.h.

Data Structure Documentation

◆ RCC_PLLSAI2InitTypeDef

struct RCC_PLLSAI2InitTypeDef

PLLSAI2 Clock structure definition.

Definition at line 84 of file stm32l4xx_hal_rcc_ex.h.

Data Fields
uint32_t	PLLSAI2ClockOut	PLLSAIClockOut: specifies PLLSAI2 output clock to be enabled. This parameter must be a value of PLLSAI2 Clock Output
uint32_t	PLLSAI2M	PLLSAI2M: specifies the division factor for PLLSAI2 input clock. This parameter must be a number between Min_Data = 1 and Max_Data = 16 PLLSAI2M: specifies the division factor for PLLSAI2 input clock. This parameter must be a number between Min_Data = 1 and Max_Data = 8
uint32_t	PLLSAI2N	PLLSAI2N: specifies the multiplication factor for PLLSAI2 VCO output clock. This parameter must be a number between 8 and 86 or 127 depending on devices.
uint32_t	PLLSAI2P	PLLSAI2P: specifies the division factor for SAI clock. This parameter must be a value of PLLP Clock Divider
uint32_t	PLLSAI2Q	PLLSAI2Q: specifies the division factor for DSI clock. This parameter must be a value of PLLQ Clock Divider
uint32_t	PLLSAI2R	PLLSAI2R: specifies the division factor for ADC clock. This parameter must be a value of PLLR Clock Divider
uint32_t	PLLSAI2Source	PLLSAI2Source: PLLSAI2 entry clock source. This parameter must be a value of PLL Clock Source

◆ RCC_PeriphCLKInitTypeDef

struct RCC_PeriphCLKInitTypeDef

RCC extended clocks structure definition.

Definition at line 121 of file stm32l4xx_hal_rcc_ex.h.

Data Fields
uint32_t	AdcClockSelection	Specifies ADC interface clock source. This parameter can be a value of ADC Clock Source
uint32_t	Dfsdm1AudioClockSelection	Specifies DFSDM1 audio clock source. This parameter can be a value of DFSDM1 Audio Clock Source
uint32_t	Dfsdm1ClockSelection	Specifies DFSDM1 clock source. This parameter can be a value of DFSDM1 Clock Source
uint32_t	DsiClockSelection	Specifies DSI clock source. This parameter can be a value of DSI Clock Source
uint32_t	I2c1ClockSelection	Specifies I2C1 clock source. This parameter can be a value of I2C1 Clock Source
uint32_t	I2c2ClockSelection	Specifies I2C2 clock source. This parameter can be a value of I2C2 Clock Source
uint32_t	I2c3ClockSelection	Specifies I2C3 clock source. This parameter can be a value of I2C3 Clock Source
uint32_t	I2c4ClockSelection	Specifies I2C4 clock source. This parameter can be a value of I2C4 Clock Source
uint32_t	Lptim1ClockSelection	Specifies LPTIM1 clock source. This parameter can be a value of LPTIM1 Clock Source
uint32_t	Lptim2ClockSelection	Specifies LPTIM2 clock source. This parameter can be a value of LPTIM2 Clock Source
uint32_t	Lpuart1ClockSelection	Specifies LPUART1 clock source. This parameter can be a value of LPUART1 Clock Source
uint32_t	LtdcClockSelection	Specifies LTDC clock source. This parameter can be a value of LTDC Clock Source
uint32_t	OspiClockSelection	Specifies OctoSPI clock source. This parameter can be a value of OctoSPI Clock Source
uint32_t	PeriphClockSelection	The Extended Clock to be configured. This parameter can be a value of Periph Clock Selection
RCC_PLLSAI1InitTypeDef	PLLSAI1	PLLSAI1 structure parameters. This parameter will be used only when PLLSAI1 is selected as Clock Source for SAI1, USB/RNG/SDMMC1 or ADC
RCC_PLLSAI2InitTypeDef	PLLSAI2	PLLSAI2 structure parameters. This parameter will be used only when PLLSAI2 is selected as Clock Source for SAI2 or ADC
uint32_t	RngClockSelection	Specifies RNG clock source (warning: same source for USB and SDMMC1). This parameter can be a value of RNG Clock Source
uint32_t	RTCClockSelection	Specifies RTC clock source. This parameter can be a value of RTC Clock Source
uint32_t	Sai1ClockSelection	Specifies SAI1 clock source. This parameter can be a value of SAI1 Clock Source
uint32_t	Sai2ClockSelection	Specifies SAI2 clock source. This parameter can be a value of SAI2 Clock Source
uint32_t	Sdmmc1ClockSelection	Specifies SDMMC1 clock source (warning: same source for USB and RNG). This parameter can be a value of SDMMC1 Clock Source
uint32_t	Swpmi1ClockSelection	Specifies SWPMI1 clock source. This parameter can be a value of SWPMI1 Clock Source
uint32_t	Uart4ClockSelection	Specifies UART4 clock source. This parameter can be a value of UART4 Clock Source
uint32_t	Uart5ClockSelection	Specifies UART5 clock source. This parameter can be a value of UART5 Clock Source
uint32_t	Usart1ClockSelection	Specifies USART1 clock source. This parameter can be a value of USART1 Clock Source
uint32_t	Usart2ClockSelection	Specifies USART2 clock source. This parameter can be a value of USART2 Clock Source
uint32_t	Usart3ClockSelection	Specifies USART3 clock source. This parameter can be a value of USART3 Clock Source
uint32_t	UsbClockSelection	Specifies USB clock source (warning: same source for SDMMC1 and RNG). This parameter can be a value of USB Clock Source

◆ RCC_CRSInitTypeDef

struct RCC_CRSInitTypeDef

RCC_CRS Init structure definition.

Definition at line 277 of file stm32l4xx_hal_rcc_ex.h.

Data Fields
uint32_t	ErrorLimitValue	Specifies the value to be used to evaluate the captured frequency error value. This parameter must be a number between 0 and 0xFF or a value of RCCEx CRS ErrorLimitDefault
uint32_t	HSI48CalibrationValue	Specifies a user-programmable trimming value to the HSI48 oscillator. This parameter must be a number between 0 and 0x7F for STM32L412xx/L422xx, between 0 and 0x3F otherwise, or a value of RCCEx CRS HSI48CalibrationDefault
uint32_t	Polarity	Specifies the input polarity for the SYNC signal source. This parameter can be a value of RCCEx CRS SynchroPolarity
uint32_t	Prescaler	Specifies the division factor of the SYNC signal. This parameter can be a value of RCCEx CRS SynchroDivider
uint32_t	ReloadValue	Specifies the value to be loaded in the frequency error counter with each SYNC event. It can be calculated in using macro HAL_RCC_CRS_RELOADVALUE_CALCULATE(__FTARGET, FSYNC) This parameter must be a number between 0 and 0xFFFF or a value of RCCEx CRS ReloadValueDefault .
uint32_t	Source	Specifies the SYNC signal source. This parameter can be a value of RCCEx CRS SynchroSource

◆ RCC_CRSSynchroInfoTypeDef

struct RCC_CRSSynchroInfoTypeDef

RCC_CRS Synchronization structure definition.

Definition at line 304 of file stm32l4xx_hal_rcc_ex.h.

Data Fields
uint32_t	FreqErrorCapture	Specifies the value loaded in the .FECAP, the frequency error counter value latched in the time of the last SYNC event. This parameter must be a number between 0 and 0xFFFF
uint32_t	FreqErrorDirection	Specifies the value loaded in the .FEDIR, the counting direction of the frequency error counter latched in the time of the last SYNC event. It shows whether the actual frequency is below or above the target. This parameter must be a value of RCCEx CRS FreqErrorDirection
uint32_t	HSI48CalibrationValue	Specifies value loaded in HSI48 oscillator smooth trimming. This parameter must be a number between 0 and 0x7F for STM32L412xx/L422xx, between 0 and 0x3F otherwise
uint32_t	ReloadValue	Specifies the value loaded in the Counter reload value. This parameter must be a number between 0 and 0xFFFF

Variable Documentation

◆ C

C

Data Structures

Functions

Variables