stm32l4xx_ll_rcc.c File Reference

RCC LL module driver. More...

#include "stm32l4xx_ll_rcc.h"

Go to the source code of this file.

Defines
#define	assert_param(expr)   ((void)0U)
#define	IS_LL_RCC_USART_CLKSOURCE(__VALUE__)
#define	IS_LL_RCC_LPUART_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_LPUART1_CLKSOURCE))
#define	IS_LL_RCC_I2C_CLKSOURCE(__VALUE__)
#define	IS_LL_RCC_LPTIM_CLKSOURCE(__VALUE__)
#define	IS_LL_RCC_SAI_CLKSOURCE(__VALUE__)   ((__VALUE__) == LL_RCC_SAI1_CLKSOURCE)
#define	IS_LL_RCC_SDMMC_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_SDMMC1_CLKSOURCE))
#define	IS_LL_RCC_RNG_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_RNG_CLKSOURCE))
#define	IS_LL_RCC_USB_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_USB_CLKSOURCE))
#define	IS_LL_RCC_ADC_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_ADC_CLKSOURCE))
#define	IS_LL_RCC_SWPMI_CLKSOURCE(__VALUE__)   (((__VALUE__) == LL_RCC_SWPMI1_CLKSOURCE))
Functions
static uint32_t	RCC_GetSystemClockFreq (void)
	Return SYSTEM clock frequency.
static uint32_t	RCC_GetHCLKClockFreq (uint32_t SYSCLK_Frequency)
	Return HCLK clock frequency.
static uint32_t	RCC_GetPCLK1ClockFreq (uint32_t HCLK_Frequency)
	Return PCLK1 clock frequency.
static uint32_t	RCC_GetPCLK2ClockFreq (uint32_t HCLK_Frequency)
	Return PCLK2 clock frequency.
static uint32_t	RCC_PLL_GetFreqDomain_SYS (void)
	Return PLL clock frequency used for system domain.
static uint32_t	RCC_PLL_GetFreqDomain_SAI (void)
	Return PLL clock frequency used for SAI domain.
static uint32_t	RCC_PLL_GetFreqDomain_48M (void)
	Return PLL clock frequency used for 48 MHz domain.
static uint32_t	RCC_PLLSAI1_GetFreqDomain_SAI (void)
	Return PLLSAI1 clock frequency used for SAI domain.
static uint32_t	RCC_PLLSAI1_GetFreqDomain_48M (void)
	Return PLLSAI1 clock frequency used for 48Mhz domain.
static uint32_t	RCC_PLLSAI1_GetFreqDomain_ADC (void)
	Return PLLSAI1 clock frequency used for ADC domain.
ErrorStatus	LL_RCC_DeInit (void)
	Reset the RCC clock configuration to the default reset state.
void	LL_RCC_GetSystemClocksFreq (LL_RCC_ClocksTypeDef *RCC_Clocks)
	Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks.
uint32_t	LL_RCC_GetUSARTClockFreq (uint32_t USARTxSource)
	Return USARTx clock frequency.
uint32_t	LL_RCC_GetI2CClockFreq (uint32_t I2CxSource)
	Return I2Cx clock frequency.
uint32_t	LL_RCC_GetLPUARTClockFreq (uint32_t LPUARTxSource)
	Return LPUARTx clock frequency.
uint32_t	LL_RCC_GetLPTIMClockFreq (uint32_t LPTIMxSource)
	Return LPTIMx clock frequency.
uint32_t	LL_RCC_GetSAIClockFreq (uint32_t SAIxSource)
	Return SAIx clock frequency.
uint32_t	LL_RCC_GetSDMMCClockFreq (uint32_t SDMMCxSource)
	Return SDMMCx clock frequency.
uint32_t	LL_RCC_GetRNGClockFreq (uint32_t RNGxSource)
	Return RNGx clock frequency.
uint32_t	LL_RCC_GetUSBClockFreq (uint32_t USBxSource)
	Return USBx clock frequency.
uint32_t	LL_RCC_GetADCClockFreq (uint32_t ADCxSource)
	Return ADCx clock frequency.
uint32_t	LL_RCC_GetSWPMIClockFreq (uint32_t SWPMIxSource)
	Return SWPMIx clock frequency.

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Detailed Description

RCC LL module driver.

Author:

MCD Application Team

Attention:

Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32l4xx_ll_rcc.c.

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Define Documentation

#define assert_param

(

expr

)

((void)0U)

Definition at line 24 of file stm32l4xx_ll_rcc.c.

Referenced by LL_RCC_GetADCClockFreq(), LL_RCC_GetI2CClockFreq(), LL_RCC_GetLPTIMClockFreq(), LL_RCC_GetLPUARTClockFreq(), LL_RCC_GetRNGClockFreq(), LL_RCC_GetSAIClockFreq(), LL_RCC_GetSDMMCClockFreq(), LL_RCC_GetSWPMIClockFreq(), LL_RCC_GetUSARTClockFreq(), and LL_RCC_GetUSBClockFreq().