/**
******************************************************************************
* @file stm32f0xx_ll_rcc.h
* @author MCD Application Team
* @brief Header file of RCC LL module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F0xx_LL_RCC_H
#define __STM32F0xx_LL_RCC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"
/** @addtogroup STM32F0xx_LL_Driver
* @{
*/
#if defined(RCC)
/** @defgroup RCC_LL RCC
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup RCC_LL_Private_Constants RCC Private Constants
* @{
*/
/* Defines used for the bit position in the register and perform offsets*/
#define RCC_POSITION_HPRE (uint32_t)4U /*!< field position in register RCC_CFGR */
#define RCC_POSITION_PPRE1 (uint32_t)8U /*!< field position in register RCC_CFGR */
#define RCC_POSITION_PLLMUL (uint32_t)18U /*!< field position in register RCC_CFGR */
#define RCC_POSITION_HSICAL (uint32_t)8U /*!< field position in register RCC_CR */
#define RCC_POSITION_HSITRIM (uint32_t)3U /*!< field position in register RCC_CR */
#define RCC_POSITION_HSI14TRIM (uint32_t)3U /*!< field position in register RCC_CR2 */
#define RCC_POSITION_HSI14CAL (uint32_t)8U /*!< field position in register RCC_CR2 */
#if defined(RCC_HSI48_SUPPORT)
#define RCC_POSITION_HSI48CAL (uint32_t)24U /*!< field position in register RCC_CR2 */
#endif /* RCC_HSI48_SUPPORT */
#define RCC_POSITION_USART1SW (uint32_t)0U /*!< field position in register RCC_CFGR3 */
#define RCC_POSITION_USART2SW (uint32_t)16U /*!< field position in register RCC_CFGR3 */
#define RCC_POSITION_USART3SW (uint32_t)18U /*!< field position in register RCC_CFGR3 */
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_Private_Macros RCC Private Macros
* @{
*/
/**
* @}
*/
#endif /*USE_FULL_LL_DRIVER*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_Exported_Types RCC Exported Types
* @{
*/
/** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
* @{
*/
/**
* @brief RCC Clocks Frequency Structure
*/
typedef struct
{
uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency */
uint32_t HCLK_Frequency; /*!< HCLK clock frequency */
uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency */
} LL_RCC_ClocksTypeDef;
/**
* @}
*/
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/* Exported constants --------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
* @{
*/
/** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
* @brief Defines used to adapt values of different oscillators
* @note These values could be modified in the user environment according to
* HW set-up.
* @{
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Value of the HSE oscillator in Hz */
#endif /* HSE_VALUE */
#if !defined (HSI_VALUE)
#define HSI_VALUE 8000000U /*!< Value of the HSI oscillator in Hz */
#endif /* HSI_VALUE */
#if !defined (LSE_VALUE)
#define LSE_VALUE 32768U /*!< Value of the LSE oscillator in Hz */
#endif /* LSE_VALUE */
#if !defined (LSI_VALUE)
#define LSI_VALUE 32000U /*!< Value of the LSI oscillator in Hz */
#endif /* LSI_VALUE */
#if defined(RCC_HSI48_SUPPORT)
#if !defined (HSI48_VALUE)
#define HSI48_VALUE 48000000U /*!< Value of the HSI48 oscillator in Hz */
#endif /* HSI48_VALUE */
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
* @brief Flags defines which can be used with LL_RCC_WriteReg function
* @{
*/
#define LL_RCC_CIR_LSIRDYC RCC_CIR_LSIRDYC /*!< LSI Ready Interrupt Clear */
#define LL_RCC_CIR_LSERDYC RCC_CIR_LSERDYC /*!< LSE Ready Interrupt Clear */
#define LL_RCC_CIR_HSIRDYC RCC_CIR_HSIRDYC /*!< HSI Ready Interrupt Clear */
#define LL_RCC_CIR_HSERDYC RCC_CIR_HSERDYC /*!< HSE Ready Interrupt Clear */
#define LL_RCC_CIR_PLLRDYC RCC_CIR_PLLRDYC /*!< PLL Ready Interrupt Clear */
#define LL_RCC_CIR_HSI14RDYC RCC_CIR_HSI14RDYC /*!< HSI14 Ready Interrupt Clear */
#if defined(RCC_HSI48_SUPPORT)
#define LL_RCC_CIR_HSI48RDYC RCC_CIR_HSI48RDYC /*!< HSI48 Ready Interrupt Clear */
#endif /* RCC_HSI48_SUPPORT */
#define LL_RCC_CIR_CSSC RCC_CIR_CSSC /*!< Clock Security System Interrupt Clear */
/**
* @}
*/
/** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
* @brief Flags defines which can be used with LL_RCC_ReadReg function
* @{
*/
#define LL_RCC_CIR_LSIRDYF RCC_CIR_LSIRDYF /*!< LSI Ready Interrupt flag */
#define LL_RCC_CIR_LSERDYF RCC_CIR_LSERDYF /*!< LSE Ready Interrupt flag */
#define LL_RCC_CIR_HSIRDYF RCC_CIR_HSIRDYF /*!< HSI Ready Interrupt flag */
#define LL_RCC_CIR_HSERDYF RCC_CIR_HSERDYF /*!< HSE Ready Interrupt flag */
#define LL_RCC_CIR_PLLRDYF RCC_CIR_PLLRDYF /*!< PLL Ready Interrupt flag */
#define LL_RCC_CIR_HSI14RDYF RCC_CIR_HSI14RDYF /*!< HSI14 Ready Interrupt flag */
#if defined(RCC_HSI48_SUPPORT)
#define LL_RCC_CIR_HSI48RDYF RCC_CIR_HSI48RDYF /*!< HSI48 Ready Interrupt flag */
#endif /* RCC_HSI48_SUPPORT */
#define LL_RCC_CIR_CSSF RCC_CIR_CSSF /*!< Clock Security System Interrupt flag */
#define LL_RCC_CSR_OBLRSTF RCC_CSR_OBLRSTF /*!< OBL reset flag */
#define LL_RCC_CSR_PINRSTF RCC_CSR_PINRSTF /*!< PIN reset flag */
#define LL_RCC_CSR_PORRSTF RCC_CSR_PORRSTF /*!< POR/PDR reset flag */
#define LL_RCC_CSR_SFTRSTF RCC_CSR_SFTRSTF /*!< Software Reset flag */
#define LL_RCC_CSR_IWDGRSTF RCC_CSR_IWDGRSTF /*!< Independent Watchdog reset flag */
#define LL_RCC_CSR_WWDGRSTF RCC_CSR_WWDGRSTF /*!< Window watchdog reset flag */
#define LL_RCC_CSR_LPWRRSTF RCC_CSR_LPWRRSTF /*!< Low-Power reset flag */
#if defined(RCC_CSR_V18PWRRSTF)
#define LL_RCC_CSR_V18PWRRSTF RCC_CSR_V18PWRRSTF /*!< Reset flag of the 1.8 V domain. */
#endif /* RCC_CSR_V18PWRRSTF */
/**
* @}
*/
/** @defgroup RCC_LL_EC_IT IT Defines
* @brief IT defines which can be used with LL_RCC_ReadReg and LL_RCC_WriteReg functions
* @{
*/
#define LL_RCC_CIR_LSIRDYIE RCC_CIR_LSIRDYIE /*!< LSI Ready Interrupt Enable */
#define LL_RCC_CIR_LSERDYIE RCC_CIR_LSERDYIE /*!< LSE Ready Interrupt Enable */
#define LL_RCC_CIR_HSIRDYIE RCC_CIR_HSIRDYIE /*!< HSI Ready Interrupt Enable */
#define LL_RCC_CIR_HSERDYIE RCC_CIR_HSERDYIE /*!< HSE Ready Interrupt Enable */
#define LL_RCC_CIR_PLLRDYIE RCC_CIR_PLLRDYIE /*!< PLL Ready Interrupt Enable */
#define LL_RCC_CIR_HSI14RDYIE RCC_CIR_HSI14RDYIE /*!< HSI14 Ready Interrupt Enable */
#if defined(RCC_HSI48_SUPPORT)
#define LL_RCC_CIR_HSI48RDYIE RCC_CIR_HSI48RDYIE /*!< HSI48 Ready Interrupt Enable */
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_LL_EC_LSEDRIVE LSE oscillator drive capability
* @{
*/
#define LL_RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U) /*!< Xtal mode lower driving capability */
#define LL_RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_1 /*!< Xtal mode medium low driving capability */
#define LL_RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_0 /*!< Xtal mode medium high driving capability */
#define LL_RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV /*!< Xtal mode higher driving capability */
/**
* @}
*/
/** @defgroup RCC_LL_EC_SYS_CLKSOURCE System clock switch
* @{
*/
#define LL_RCC_SYS_CLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selection as system clock */
#define LL_RCC_SYS_CLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selection as system clock */
#define LL_RCC_SYS_CLKSOURCE_PLL RCC_CFGR_SW_PLL /*!< PLL selection as system clock */
#if defined(RCC_CFGR_SW_HSI48)
#define LL_RCC_SYS_CLKSOURCE_HSI48 RCC_CFGR_SW_HSI48 /*!< HSI48 selection as system clock */
#endif /* RCC_CFGR_SW_HSI48 */
/**
* @}
*/
/** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS System clock switch status
* @{
*/
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
#define LL_RCC_SYS_CLKSOURCE_STATUS_PLL RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
#if defined(RCC_CFGR_SWS_HSI48)
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI48 RCC_CFGR_SWS_HSI48 /*!< HSI48 used as system clock */
#endif /* RCC_CFGR_SWS_HSI48 */
/**
* @}
*/
/** @defgroup RCC_LL_EC_SYSCLK_DIV AHB prescaler
* @{
*/
#define LL_RCC_SYSCLK_DIV_1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
#define LL_RCC_SYSCLK_DIV_2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
#define LL_RCC_SYSCLK_DIV_4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
#define LL_RCC_SYSCLK_DIV_8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
#define LL_RCC_SYSCLK_DIV_16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
#define LL_RCC_SYSCLK_DIV_64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
#define LL_RCC_SYSCLK_DIV_128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
#define LL_RCC_SYSCLK_DIV_256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
#define LL_RCC_SYSCLK_DIV_512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
/**
* @}
*/
/** @defgroup RCC_LL_EC_APB1_DIV APB low-speed prescaler (APB1)
* @{
*/
#define LL_RCC_APB1_DIV_1 RCC_CFGR_PPRE_DIV1 /*!< HCLK not divided */
#define LL_RCC_APB1_DIV_2 RCC_CFGR_PPRE_DIV2 /*!< HCLK divided by 2 */
#define LL_RCC_APB1_DIV_4 RCC_CFGR_PPRE_DIV4 /*!< HCLK divided by 4 */
#define LL_RCC_APB1_DIV_8 RCC_CFGR_PPRE_DIV8 /*!< HCLK divided by 8 */
#define LL_RCC_APB1_DIV_16 RCC_CFGR_PPRE_DIV16 /*!< HCLK divided by 16 */
/**
* @}
*/
/** @defgroup RCC_LL_EC_MCO1SOURCE MCO1 SOURCE selection
* @{
*/
#define LL_RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCOSEL_NOCLOCK /*!< MCO output disabled, no clock on MCO */
#define LL_RCC_MCO1SOURCE_HSI14 RCC_CFGR_MCOSEL_HSI14 /*!< HSI14 oscillator clock selected */
#define LL_RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCOSEL_SYSCLK /*!< SYSCLK selection as MCO source */
#define LL_RCC_MCO1SOURCE_HSI RCC_CFGR_MCOSEL_HSI /*!< HSI selection as MCO source */
#define LL_RCC_MCO1SOURCE_HSE RCC_CFGR_MCOSEL_HSE /*!< HSE selection as MCO source */
#define LL_RCC_MCO1SOURCE_LSI RCC_CFGR_MCOSEL_LSI /*!< LSI selection as MCO source */
#define LL_RCC_MCO1SOURCE_LSE RCC_CFGR_MCOSEL_LSE /*!< LSE selection as MCO source */
#if defined(RCC_CFGR_MCOSEL_HSI48)
#define LL_RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCOSEL_HSI48 /*!< HSI48 selection as MCO source */
#endif /* RCC_CFGR_MCOSEL_HSI48 */
#define LL_RCC_MCO1SOURCE_PLLCLK_DIV_2 RCC_CFGR_MCOSEL_PLL_DIV2 /*!< PLL clock divided by 2*/
#if defined(RCC_CFGR_PLLNODIV)
#define LL_RCC_MCO1SOURCE_PLLCLK (RCC_CFGR_MCOSEL_PLL_DIV2 | RCC_CFGR_PLLNODIV) /*!< PLL clock selected*/
#endif /* RCC_CFGR_PLLNODIV */
/**
* @}
*/
/** @defgroup RCC_LL_EC_MCO1_DIV MCO1 prescaler
* @{
*/
#define LL_RCC_MCO1_DIV_1 ((uint32_t)0x00000000U)/*!< MCO Clock divided by 1 */
#if defined(RCC_CFGR_MCOPRE)
#define LL_RCC_MCO1_DIV_2 RCC_CFGR_MCOPRE_DIV2 /*!< MCO Clock divided by 2 */
#define LL_RCC_MCO1_DIV_4 RCC_CFGR_MCOPRE_DIV4 /*!< MCO Clock divided by 4 */
#define LL_RCC_MCO1_DIV_8 RCC_CFGR_MCOPRE_DIV8 /*!< MCO Clock divided by 8 */
#define LL_RCC_MCO1_DIV_16 RCC_CFGR_MCOPRE_DIV16 /*!< MCO Clock divided by 16 */
#define LL_RCC_MCO1_DIV_32 RCC_CFGR_MCOPRE_DIV32 /*!< MCO Clock divided by 32 */
#define LL_RCC_MCO1_DIV_64 RCC_CFGR_MCOPRE_DIV64 /*!< MCO Clock divided by 64 */
#define LL_RCC_MCO1_DIV_128 RCC_CFGR_MCOPRE_DIV128 /*!< MCO Clock divided by 128 */
#endif /* RCC_CFGR_MCOPRE */
/**
* @}
*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
* @{
*/
#define LL_RCC_PERIPH_FREQUENCY_NO 0x00000000U /*!< No clock enabled for the peripheral */
#define LL_RCC_PERIPH_FREQUENCY_NA 0xFFFFFFFFU /*!< Frequency cannot be provided as external clock */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/** @defgroup RCC_LL_EC_USART1_CLKSOURCE Peripheral USART clock source selection
* @{
*/
#define LL_RCC_USART1_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_PCLK) /*!< PCLK1 clock used as USART1 clock source */
#define LL_RCC_USART1_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_SYSCLK) /*!< System clock selected as USART1 clock source */
#define LL_RCC_USART1_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_LSE) /*!< LSE oscillator clock used as USART1 clock source */
#define LL_RCC_USART1_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_HSI) /*!< HSI oscillator clock used as USART1 clock source */
#if defined(RCC_CFGR3_USART2SW)
#define LL_RCC_USART2_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_PCLK) /*!< PCLK1 clock used as USART2 clock source */
#define LL_RCC_USART2_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_SYSCLK) /*!< System clock selected as USART2 clock source */
#define LL_RCC_USART2_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_LSE) /*!< LSE oscillator clock used as USART2 clock source */
#define LL_RCC_USART2_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_HSI) /*!< HSI oscillator clock used as USART2 clock source */
#endif /* RCC_CFGR3_USART2SW */
#if defined(RCC_CFGR3_USART3SW)
#define LL_RCC_USART3_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_PCLK) /*!< PCLK1 clock used as USART3 clock source */
#define LL_RCC_USART3_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_SYSCLK) /*!< System clock selected as USART3 clock source */
#define LL_RCC_USART3_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_LSE) /*!< LSE oscillator clock used as USART3 clock source */
#define LL_RCC_USART3_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_HSI) /*!< HSI oscillator clock used as USART3 clock source */
#endif /* RCC_CFGR3_USART3SW */
/**
* @}
*/
/** @defgroup RCC_LL_EC_I2C1_CLKSOURCE Peripheral I2C clock source selection
* @{
*/
#define LL_RCC_I2C1_CLKSOURCE_HSI RCC_CFGR3_I2C1SW_HSI /*!< HSI oscillator clock used as I2C1 clock source */
#define LL_RCC_I2C1_CLKSOURCE_SYSCLK RCC_CFGR3_I2C1SW_SYSCLK /*!< System clock selected as I2C1 clock source */
/**
* @}
*/
#if defined(CEC)
/** @defgroup RCC_LL_EC_CEC_CLKSOURCE Peripheral CEC clock source selection
* @{
*/
#define LL_RCC_CEC_CLKSOURCE_HSI_DIV244 RCC_CFGR3_CECSW_HSI_DIV244 /*!< HSI clock divided by 244 selected as HDMI CEC entry clock source */
#define LL_RCC_CEC_CLKSOURCE_LSE RCC_CFGR3_CECSW_LSE /*!< LSE clock selected as HDMI CEC entry clock source */
/**
* @}
*/
#endif /* CEC */
#if defined(USB)
/** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
* @{
*/
#if defined(RCC_CFGR3_USBSW_HSI48)
#define LL_RCC_USB_CLKSOURCE_HSI48 RCC_CFGR3_USBSW_HSI48 /*!< HSI48 oscillator clock used as USB clock source */
#else
#define LL_RCC_USB_CLKSOURCE_NONE ((uint32_t)0x00000000) /*!< USB Clock disabled */
#endif /*RCC_CFGR3_USBSW_HSI48*/
#define LL_RCC_USB_CLKSOURCE_PLL RCC_CFGR3_USBSW_PLLCLK /*!< PLL selected as USB clock source */
/**
* @}
*/
#endif /* USB */
/** @defgroup RCC_LL_EC_USART1 Peripheral USART get clock source
* @{
*/
#define LL_RCC_USART1_CLKSOURCE RCC_POSITION_USART1SW /*!< USART1 Clock source selection */
#if defined(RCC_CFGR3_USART2SW)
#define LL_RCC_USART2_CLKSOURCE RCC_POSITION_USART2SW /*!< USART2 Clock source selection */
#endif /* RCC_CFGR3_USART2SW */
#if defined(RCC_CFGR3_USART3SW)
#define LL_RCC_USART3_CLKSOURCE RCC_POSITION_USART3SW /*!< USART3 Clock source selection */
#endif /* RCC_CFGR3_USART3SW */
/**
* @}
*/
/** @defgroup RCC_LL_EC_I2C1 Peripheral I2C get clock source
* @{
*/
#define LL_RCC_I2C1_CLKSOURCE RCC_CFGR3_I2C1SW /*!< I2C1 Clock source selection */
/**
* @}
*/
#if defined(CEC)
/** @defgroup RCC_LL_EC_CEC Peripheral CEC get clock source
* @{
*/
#define LL_RCC_CEC_CLKSOURCE RCC_CFGR3_CECSW /*!< CEC Clock source selection */
/**
* @}
*/
#endif /* CEC */
#if defined(USB)
/** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
* @{
*/
#define LL_RCC_USB_CLKSOURCE RCC_CFGR3_USBSW /*!< USB Clock source selection */
/**
* @}
*/
#endif /* USB */
/** @defgroup RCC_LL_EC_RTC_CLKSOURCE RTC clock source selection
* @{
*/
#define LL_RCC_RTC_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_LSE RCC_BDCR_RTCSEL_0 /*!< LSE oscillator clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_LSI RCC_BDCR_RTCSEL_1 /*!< LSI oscillator clock used as RTC clock */
#define LL_RCC_RTC_CLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL /*!< HSE oscillator clock divided by 32 used as RTC clock */
/**
* @}
*/
/** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
* @{
*/
#define LL_RCC_PLL_MUL_2 RCC_CFGR_PLLMUL2 /*!< PLL input clock*2 */
#define LL_RCC_PLL_MUL_3 RCC_CFGR_PLLMUL3 /*!< PLL input clock*3 */
#define LL_RCC_PLL_MUL_4 RCC_CFGR_PLLMUL4 /*!< PLL input clock*4 */
#define LL_RCC_PLL_MUL_5 RCC_CFGR_PLLMUL5 /*!< PLL input clock*5 */
#define LL_RCC_PLL_MUL_6 RCC_CFGR_PLLMUL6 /*!< PLL input clock*6 */
#define LL_RCC_PLL_MUL_7 RCC_CFGR_PLLMUL7 /*!< PLL input clock*7 */
#define LL_RCC_PLL_MUL_8 RCC_CFGR_PLLMUL8 /*!< PLL input clock*8 */
#define LL_RCC_PLL_MUL_9 RCC_CFGR_PLLMUL9 /*!< PLL input clock*9 */
#define LL_RCC_PLL_MUL_10 RCC_CFGR_PLLMUL10 /*!< PLL input clock*10 */
#define LL_RCC_PLL_MUL_11 RCC_CFGR_PLLMUL11 /*!< PLL input clock*11 */
#define LL_RCC_PLL_MUL_12 RCC_CFGR_PLLMUL12 /*!< PLL input clock*12 */
#define LL_RCC_PLL_MUL_13 RCC_CFGR_PLLMUL13 /*!< PLL input clock*13 */
#define LL_RCC_PLL_MUL_14 RCC_CFGR_PLLMUL14 /*!< PLL input clock*14 */
#define LL_RCC_PLL_MUL_15 RCC_CFGR_PLLMUL15 /*!< PLL input clock*15 */
#define LL_RCC_PLL_MUL_16 RCC_CFGR_PLLMUL16 /*!< PLL input clock*16 */
/**
* @}
*/
/** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
* @{
*/
#define LL_RCC_PLLSOURCE_NONE 0x00000000U /*!< No clock selected as main PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< HSE/PREDIV clock selected as PLL entry clock source */
#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
#define LL_RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< HSI/PREDIV clock selected as PLL entry clock source */
#if defined(RCC_CFGR_SW_HSI48)
#define LL_RCC_PLLSOURCE_HSI48 RCC_CFGR_PLLSRC_HSI48_PREDIV /*!< HSI48/PREDIV clock selected as PLL entry clock source */
#endif /* RCC_CFGR_SW_HSI48 */
#else
#define LL_RCC_PLLSOURCE_HSI_DIV_2 RCC_CFGR_PLLSRC_HSI_DIV2 /*!< HSI clock divided by 2 selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_1 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV1) /*!< HSE clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_2 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV2) /*!< HSE/2 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_3 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV3) /*!< HSE/3 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_4 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV4) /*!< HSE/4 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_5 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV5) /*!< HSE/5 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_6 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV6) /*!< HSE/6 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_7 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV7) /*!< HSE/7 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_8 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV8) /*!< HSE/8 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_9 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV9) /*!< HSE/9 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_10 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV10) /*!< HSE/10 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_11 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV11) /*!< HSE/11 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_12 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV12) /*!< HSE/12 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_13 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV13) /*!< HSE/13 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_14 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV14) /*!< HSE/14 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_15 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV15) /*!< HSE/15 clock selected as PLL entry clock source */
#define LL_RCC_PLLSOURCE_HSE_DIV_16 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV16) /*!< HSE/16 clock selected as PLL entry clock source */
#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_LL_EC_PREDIV_DIV PREDIV Division factor
* @{
*/
#define LL_RCC_PREDIV_DIV_1 RCC_CFGR2_PREDIV_DIV1 /*!< PREDIV input clock not divided */
#define LL_RCC_PREDIV_DIV_2 RCC_CFGR2_PREDIV_DIV2 /*!< PREDIV input clock divided by 2 */
#define LL_RCC_PREDIV_DIV_3 RCC_CFGR2_PREDIV_DIV3 /*!< PREDIV input clock divided by 3 */
#define LL_RCC_PREDIV_DIV_4 RCC_CFGR2_PREDIV_DIV4 /*!< PREDIV input clock divided by 4 */
#define LL_RCC_PREDIV_DIV_5 RCC_CFGR2_PREDIV_DIV5 /*!< PREDIV input clock divided by 5 */
#define LL_RCC_PREDIV_DIV_6 RCC_CFGR2_PREDIV_DIV6 /*!< PREDIV input clock divided by 6 */
#define LL_RCC_PREDIV_DIV_7 RCC_CFGR2_PREDIV_DIV7 /*!< PREDIV input clock divided by 7 */
#define LL_RCC_PREDIV_DIV_8 RCC_CFGR2_PREDIV_DIV8 /*!< PREDIV input clock divided by 8 */
#define LL_RCC_PREDIV_DIV_9 RCC_CFGR2_PREDIV_DIV9 /*!< PREDIV input clock divided by 9 */
#define LL_RCC_PREDIV_DIV_10 RCC_CFGR2_PREDIV_DIV10 /*!< PREDIV input clock divided by 10 */
#define LL_RCC_PREDIV_DIV_11 RCC_CFGR2_PREDIV_DIV11 /*!< PREDIV input clock divided by 11 */
#define LL_RCC_PREDIV_DIV_12 RCC_CFGR2_PREDIV_DIV12 /*!< PREDIV input clock divided by 12 */
#define LL_RCC_PREDIV_DIV_13 RCC_CFGR2_PREDIV_DIV13 /*!< PREDIV input clock divided by 13 */
#define LL_RCC_PREDIV_DIV_14 RCC_CFGR2_PREDIV_DIV14 /*!< PREDIV input clock divided by 14 */
#define LL_RCC_PREDIV_DIV_15 RCC_CFGR2_PREDIV_DIV15 /*!< PREDIV input clock divided by 15 */
#define LL_RCC_PREDIV_DIV_16 RCC_CFGR2_PREDIV_DIV16 /*!< PREDIV input clock divided by 16 */
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
* @{
*/
/** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
* @{
*/
/**
* @brief Write a value in RCC register
* @param __REG__ Register to be written
* @param __VALUE__ Value to be written in the register
* @retval None
*/
#define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
/**
* @brief Read a value in RCC register
* @param __REG__ Register to be read
* @retval Register value
*/
#define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
/**
* @}
*/
/** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
* @{
*/
#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
/**
* @brief Helper macro to calculate the PLLCLK frequency
* @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE, @ref LL_RCC_PLL_GetMultiplicator()
* , @ref LL_RCC_PLL_GetPrediv());
* @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI/HSI48)
* @param __PLLMUL__ This parameter can be one of the following values:
* @arg @ref LL_RCC_PLL_MUL_2
* @arg @ref LL_RCC_PLL_MUL_3
* @arg @ref LL_RCC_PLL_MUL_4
* @arg @ref LL_RCC_PLL_MUL_5
* @arg @ref LL_RCC_PLL_MUL_6
* @arg @ref LL_RCC_PLL_MUL_7
* @arg @ref LL_RCC_PLL_MUL_8
* @arg @ref LL_RCC_PLL_MUL_9
* @arg @ref LL_RCC_PLL_MUL_10
* @arg @ref LL_RCC_PLL_MUL_11
* @arg @ref LL_RCC_PLL_MUL_12
* @arg @ref LL_RCC_PLL_MUL_13
* @arg @ref LL_RCC_PLL_MUL_14
* @arg @ref LL_RCC_PLL_MUL_15
* @arg @ref LL_RCC_PLL_MUL_16
* @param __PLLPREDIV__ This parameter can be one of the following values:
* @arg @ref LL_RCC_PREDIV_DIV_1
* @arg @ref LL_RCC_PREDIV_DIV_2
* @arg @ref LL_RCC_PREDIV_DIV_3
* @arg @ref LL_RCC_PREDIV_DIV_4
* @arg @ref LL_RCC_PREDIV_DIV_5
* @arg @ref LL_RCC_PREDIV_DIV_6
* @arg @ref LL_RCC_PREDIV_DIV_7
* @arg @ref LL_RCC_PREDIV_DIV_8
* @arg @ref LL_RCC_PREDIV_DIV_9
* @arg @ref LL_RCC_PREDIV_DIV_10
* @arg @ref LL_RCC_PREDIV_DIV_11
* @arg @ref LL_RCC_PREDIV_DIV_12
* @arg @ref LL_RCC_PREDIV_DIV_13
* @arg @ref LL_RCC_PREDIV_DIV_14
* @arg @ref LL_RCC_PREDIV_DIV_15
* @arg @ref LL_RCC_PREDIV_DIV_16
* @retval PLL clock frequency (in Hz)
*/
#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__, __PLLPREDIV__) \
(((__INPUTFREQ__) / ((((__PLLPREDIV__) & RCC_CFGR2_PREDIV) + 1U))) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
#else
/**
* @brief Helper macro to calculate the PLLCLK frequency
* @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE / (@ref LL_RCC_PLL_GetPrediv () + 1), @ref LL_RCC_PLL_GetMultiplicator());
* @param __INPUTFREQ__ PLL Input frequency (based on HSE div Prediv / HSI div 2)
* @param __PLLMUL__ This parameter can be one of the following values:
* @arg @ref LL_RCC_PLL_MUL_2
* @arg @ref LL_RCC_PLL_MUL_3
* @arg @ref LL_RCC_PLL_MUL_4
* @arg @ref LL_RCC_PLL_MUL_5
* @arg @ref LL_RCC_PLL_MUL_6
* @arg @ref LL_RCC_PLL_MUL_7
* @arg @ref LL_RCC_PLL_MUL_8
* @arg @ref LL_RCC_PLL_MUL_9
* @arg @ref LL_RCC_PLL_MUL_10
* @arg @ref LL_RCC_PLL_MUL_11
* @arg @ref LL_RCC_PLL_MUL_12
* @arg @ref LL_RCC_PLL_MUL_13
* @arg @ref LL_RCC_PLL_MUL_14
* @arg @ref LL_RCC_PLL_MUL_15
* @arg @ref LL_RCC_PLL_MUL_16
* @retval PLL clock frequency (in Hz)
*/
#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__) \
((__INPUTFREQ__) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
/**
* @brief Helper macro to calculate the HCLK frequency
* @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
* ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
* @param __SYSCLKFREQ__ SYSCLK frequency (based on HSE/HSI/PLLCLK)
* @param __AHBPRESCALER__ This parameter can be one of the following values:
* @arg @ref LL_RCC_SYSCLK_DIV_1
* @arg @ref LL_RCC_SYSCLK_DIV_2
* @arg @ref LL_RCC_SYSCLK_DIV_4
* @arg @ref LL_RCC_SYSCLK_DIV_8
* @arg @ref LL_RCC_SYSCLK_DIV_16
* @arg @ref LL_RCC_SYSCLK_DIV_64
* @arg @ref LL_RCC_SYSCLK_DIV_128
* @arg @ref LL_RCC_SYSCLK_DIV_256
* @arg @ref LL_RCC_SYSCLK_DIV_512
* @retval HCLK clock frequency (in Hz)
*/
#define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos])
/**
* @brief Helper macro to calculate the PCLK1 frequency (ABP1)
* @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
* ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
* @param __HCLKFREQ__ HCLK frequency
* @param __APB1PRESCALER__ This parameter can be one of the following values:
* @arg @ref LL_RCC_APB1_DIV_1
* @arg @ref LL_RCC_APB1_DIV_2
* @arg @ref LL_RCC_APB1_DIV_4
* @arg @ref LL_RCC_APB1_DIV_8
* @arg @ref LL_RCC_APB1_DIV_16
* @retval PCLK1 clock frequency (in Hz)
*/
#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >> RCC_CFGR_PPRE_Pos])
/**
* @}
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
* @{
*/
/** @defgroup RCC_LL_EF_HSE HSE
* @{
*/
/**
* @brief Enable the Clock Security System.
* @rmtoll CR CSSON LL_RCC_HSE_EnableCSS
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
{
SET_BIT(RCC->CR, RCC_CR_CSSON);
}
/**
* @brief Disable the Clock Security System.
* @note Cannot be disabled in HSE is ready (only by hardware)
* @rmtoll CR CSSON LL_RCC_HSE_DisableCSS
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_DisableCSS(void)
{
CLEAR_BIT(RCC->CR, RCC_CR_CSSON);
}
/**
* @brief Enable HSE external oscillator (HSE Bypass)
* @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
{
SET_BIT(RCC->CR, RCC_CR_HSEBYP);
}
/**
* @brief Disable HSE external oscillator (HSE Bypass)
* @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
{
CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
}
/**
* @brief Enable HSE crystal oscillator (HSE ON)
* @rmtoll CR HSEON LL_RCC_HSE_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_Enable(void)
{
SET_BIT(RCC->CR, RCC_CR_HSEON);
}
/**
* @brief Disable HSE crystal oscillator (HSE ON)
* @rmtoll CR HSEON LL_RCC_HSE_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSE_Disable(void)
{
CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
}
/**
* @brief Check if HSE oscillator Ready
* @rmtoll CR HSERDY LL_RCC_HSE_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
{
return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_HSI HSI
* @{
*/
/**
* @brief Enable HSI oscillator
* @rmtoll CR HSION LL_RCC_HSI_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI_Enable(void)
{
SET_BIT(RCC->CR, RCC_CR_HSION);
}
/**
* @brief Disable HSI oscillator
* @rmtoll CR HSION LL_RCC_HSI_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI_Disable(void)
{
CLEAR_BIT(RCC->CR, RCC_CR_HSION);
}
/**
* @brief Check if HSI clock is ready
* @rmtoll CR HSIRDY LL_RCC_HSI_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
{
return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
}
/**
* @brief Get HSI Calibration value
* @note When HSITRIM is written, HSICAL is updated with the sum of
* HSITRIM and the factory trim value
* @rmtoll CR HSICAL LL_RCC_HSI_GetCalibration
* @retval Between Min_Data = 0x00 and Max_Data = 0xFF
*/
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
{
return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSICAL) >> RCC_CR_HSICAL_Pos);
}
/**
* @brief Set HSI Calibration trimming
* @note user-programmable trimming value that is added to the HSICAL
* @note Default value is 16, which, when added to the HSICAL value,
* should trim the HSI to 16 MHz +/- 1 %
* @rmtoll CR HSITRIM LL_RCC_HSI_SetCalibTrimming
* @param Value between Min_Data = 0x00 and Max_Data = 0x1F
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
{
MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, Value << RCC_CR_HSITRIM_Pos);
}
/**
* @brief Get HSI Calibration trimming
* @rmtoll CR HSITRIM LL_RCC_HSI_GetCalibTrimming
* @retval Between Min_Data = 0x00 and Max_Data = 0x1F
*/
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
{
return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);
}
/**
* @}
*/
#if defined(RCC_HSI48_SUPPORT)
/** @defgroup RCC_LL_EF_HSI48 HSI48
* @{
*/
/**
* @brief Enable HSI48
* @rmtoll CR2 HSI48ON LL_RCC_HSI48_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI48_Enable(void)
{
SET_BIT(RCC->CR2, RCC_CR2_HSI48ON);
}
/**
* @brief Disable HSI48
* @rmtoll CR2 HSI48ON LL_RCC_HSI48_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI48_Disable(void)
{
CLEAR_BIT(RCC->CR2, RCC_CR2_HSI48ON);
}
/**
* @brief Check if HSI48 oscillator Ready
* @rmtoll CR2 HSI48RDY LL_RCC_HSI48_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_HSI48_IsReady(void)
{
return (READ_BIT(RCC->CR2, RCC_CR2_HSI48RDY) == (RCC_CR2_HSI48RDY));
}
/**
* @brief Get HSI48 Calibration value
* @rmtoll CR2 HSI48CAL LL_RCC_HSI48_GetCalibration
* @retval Between Min_Data = 0x00 and Max_Data = 0xFF
*/
__STATIC_INLINE uint32_t LL_RCC_HSI48_GetCalibration(void)
{
return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI48CAL) >> RCC_POSITION_HSI48CAL);
}
/**
* @}
*/
#endif /* RCC_HSI48_SUPPORT */
/** @defgroup RCC_LL_EF_HSI14 HSI14
* @{
*/
/**
* @brief Enable HSI14
* @rmtoll CR2 HSI14ON LL_RCC_HSI14_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI14_Enable(void)
{
SET_BIT(RCC->CR2, RCC_CR2_HSI14ON);
}
/**
* @brief Disable HSI14
* @rmtoll CR2 HSI14ON LL_RCC_HSI14_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI14_Disable(void)
{
CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14ON);
}
/**
* @brief Check if HSI14 oscillator Ready
* @rmtoll CR2 HSI14RDY LL_RCC_HSI14_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_HSI14_IsReady(void)
{
return (READ_BIT(RCC->CR2, RCC_CR2_HSI14RDY) == (RCC_CR2_HSI14RDY));
}
/**
* @brief ADC interface can turn on the HSI14 oscillator
* @rmtoll CR2 HSI14DIS LL_RCC_HSI14_EnableADCControl
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI14_EnableADCControl(void)
{
CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14DIS);
}
/**
* @brief ADC interface can not turn on the HSI14 oscillator
* @rmtoll CR2 HSI14DIS LL_RCC_HSI14_DisableADCControl
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI14_DisableADCControl(void)
{
SET_BIT(RCC->CR2, RCC_CR2_HSI14DIS);
}
/**
* @brief Set HSI14 Calibration trimming
* @note user-programmable trimming value that is added to the HSI14CAL
* @note Default value is 16, which, when added to the HSI14CAL value,
* should trim the HSI14 to 14 MHz +/- 1 %
* @rmtoll CR2 HSI14TRIM LL_RCC_HSI14_SetCalibTrimming
* @param Value between Min_Data = 0x00 and Max_Data = 0xFF
* @retval None
*/
__STATIC_INLINE void LL_RCC_HSI14_SetCalibTrimming(uint32_t Value)
{
MODIFY_REG(RCC->CR2, RCC_CR2_HSI14TRIM, Value << RCC_POSITION_HSI14TRIM);
}
/**
* @brief Get HSI14 Calibration value
* @note When HSI14TRIM is written, HSI14CAL is updated with the sum of
* HSI14TRIM and the factory trim value
* @rmtoll CR2 HSI14TRIM LL_RCC_HSI14_GetCalibTrimming
* @retval Between Min_Data = 0x00 and Max_Data = 0x1F
*/
__STATIC_INLINE uint32_t LL_RCC_HSI14_GetCalibTrimming(void)
{
return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI14TRIM) >> RCC_POSITION_HSI14TRIM);
}
/**
* @brief Get HSI14 Calibration trimming
* @rmtoll CR2 HSI14CAL LL_RCC_HSI14_GetCalibration
* @retval Between Min_Data = 0x00 and Max_Data = 0x1F
*/
__STATIC_INLINE uint32_t LL_RCC_HSI14_GetCalibration(void)
{
return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI14CAL) >> RCC_POSITION_HSI14CAL);
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_LSE LSE
* @{
*/
/**
* @brief Enable Low Speed External (LSE) crystal.
* @rmtoll BDCR LSEON LL_RCC_LSE_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSE_Enable(void)
{
SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
}
/**
* @brief Disable Low Speed External (LSE) crystal.
* @rmtoll BDCR LSEON LL_RCC_LSE_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSE_Disable(void)
{
CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
}
/**
* @brief Enable external clock source (LSE bypass).
* @rmtoll BDCR LSEBYP LL_RCC_LSE_EnableBypass
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
{
SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
}
/**
* @brief Disable external clock source (LSE bypass).
* @rmtoll BDCR LSEBYP LL_RCC_LSE_DisableBypass
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
{
CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
}
/**
* @brief Set LSE oscillator drive capability
* @note The oscillator is in Xtal mode when it is not in bypass mode.
* @rmtoll BDCR LSEDRV LL_RCC_LSE_SetDriveCapability
* @param LSEDrive This parameter can be one of the following values:
* @arg @ref LL_RCC_LSEDRIVE_LOW
* @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
* @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
* @arg @ref LL_RCC_LSEDRIVE_HIGH
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive)
{
MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, LSEDrive);
}
/**
* @brief Get LSE oscillator drive capability
* @rmtoll BDCR LSEDRV LL_RCC_LSE_GetDriveCapability
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_LSEDRIVE_LOW
* @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
* @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
* @arg @ref LL_RCC_LSEDRIVE_HIGH
*/
__STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void)
{
return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSEDRV));
}
/**
* @brief Check if LSE oscillator Ready
* @rmtoll BDCR LSERDY LL_RCC_LSE_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
{
return (READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY));
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_LSI LSI
* @{
*/
/**
* @brief Enable LSI Oscillator
* @rmtoll CSR LSION LL_RCC_LSI_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSI_Enable(void)
{
SET_BIT(RCC->CSR, RCC_CSR_LSION);
}
/**
* @brief Disable LSI Oscillator
* @rmtoll CSR LSION LL_RCC_LSI_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_LSI_Disable(void)
{
CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
}
/**
* @brief Check if LSI is Ready
* @rmtoll CSR LSIRDY LL_RCC_LSI_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_System System
* @{
*/
/**
* @brief Configure the system clock source
* @rmtoll CFGR SW LL_RCC_SetSysClkSource
* @param Source This parameter can be one of the following values:
* @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
* @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
* @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
* @arg @ref LL_RCC_SYS_CLKSOURCE_HSI48 (*)
*
* (*) value not defined in all devices
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
}
/**
* @brief Get the system clock source
* @rmtoll CFGR SWS LL_RCC_GetSysClkSource
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
* @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
* @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
* @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI48 (*)
*
* (*) value not defined in all devices
*/
__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
}
/**
* @brief Set AHB prescaler
* @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler
* @param Prescaler This parameter can be one of the following values:
* @arg @ref LL_RCC_SYSCLK_DIV_1
* @arg @ref LL_RCC_SYSCLK_DIV_2
* @arg @ref LL_RCC_SYSCLK_DIV_4
* @arg @ref LL_RCC_SYSCLK_DIV_8
* @arg @ref LL_RCC_SYSCLK_DIV_16
* @arg @ref LL_RCC_SYSCLK_DIV_64
* @arg @ref LL_RCC_SYSCLK_DIV_128
* @arg @ref LL_RCC_SYSCLK_DIV_256
* @arg @ref LL_RCC_SYSCLK_DIV_512
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
}
/**
* @brief Set APB1 prescaler
* @rmtoll CFGR PPRE LL_RCC_SetAPB1Prescaler
* @param Prescaler This parameter can be one of the following values:
* @arg @ref LL_RCC_APB1_DIV_1
* @arg @ref LL_RCC_APB1_DIV_2
* @arg @ref LL_RCC_APB1_DIV_4
* @arg @ref LL_RCC_APB1_DIV_8
* @arg @ref LL_RCC_APB1_DIV_16
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE, Prescaler);
}
/**
* @brief Get AHB prescaler
* @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_SYSCLK_DIV_1
* @arg @ref LL_RCC_SYSCLK_DIV_2
* @arg @ref LL_RCC_SYSCLK_DIV_4
* @arg @ref LL_RCC_SYSCLK_DIV_8
* @arg @ref LL_RCC_SYSCLK_DIV_16
* @arg @ref LL_RCC_SYSCLK_DIV_64
* @arg @ref LL_RCC_SYSCLK_DIV_128
* @arg @ref LL_RCC_SYSCLK_DIV_256
* @arg @ref LL_RCC_SYSCLK_DIV_512
*/
__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
}
/**
* @brief Get APB1 prescaler
* @rmtoll CFGR PPRE LL_RCC_GetAPB1Prescaler
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_APB1_DIV_1
* @arg @ref LL_RCC_APB1_DIV_2
* @arg @ref LL_RCC_APB1_DIV_4
* @arg @ref LL_RCC_APB1_DIV_8
* @arg @ref LL_RCC_APB1_DIV_16
*/
__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE));
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_MCO MCO
* @{
*/
/**
* @brief Configure MCOx
* @rmtoll CFGR MCO LL_RCC_ConfigMCO\n
* CFGR MCOPRE LL_RCC_ConfigMCO\n
* CFGR PLLNODIV LL_RCC_ConfigMCO
* @param MCOxSource This parameter can be one of the following values:
* @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
* @arg @ref LL_RCC_MCO1SOURCE_HSI14
* @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
* @arg @ref LL_RCC_MCO1SOURCE_HSI
* @arg @ref LL_RCC_MCO1SOURCE_HSE
* @arg @ref LL_RCC_MCO1SOURCE_LSI
* @arg @ref LL_RCC_MCO1SOURCE_LSE
* @arg @ref LL_RCC_MCO1SOURCE_HSI48 (*)
* @arg @ref LL_RCC_MCO1SOURCE_PLLCLK (*)
* @arg @ref LL_RCC_MCO1SOURCE_PLLCLK_DIV_2
*
* (*) value not defined in all devices
* @param MCOxPrescaler This parameter can be one of the following values:
* @arg @ref LL_RCC_MCO1_DIV_1
* @arg @ref LL_RCC_MCO1_DIV_2 (*)
* @arg @ref LL_RCC_MCO1_DIV_4 (*)
* @arg @ref LL_RCC_MCO1_DIV_8 (*)
* @arg @ref LL_RCC_MCO1_DIV_16 (*)
* @arg @ref LL_RCC_MCO1_DIV_32 (*)
* @arg @ref LL_RCC_MCO1_DIV_64 (*)
* @arg @ref LL_RCC_MCO1_DIV_128 (*)
*
* (*) value not defined in all devices
* @retval None
*/
__STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
{
#if defined(RCC_CFGR_MCOPRE)
#if defined(RCC_CFGR_PLLNODIV)
MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE | RCC_CFGR_PLLNODIV, MCOxSource | MCOxPrescaler);
#else
MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
#endif /* RCC_CFGR_PLLNODIV */
#else
MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL, MCOxSource);
#endif /* RCC_CFGR_MCOPRE */
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
* @{
*/
/**
* @brief Configure USARTx clock source
* @rmtoll CFGR3 USART1SW LL_RCC_SetUSARTClockSource\n
* CFGR3 USART2SW LL_RCC_SetUSARTClockSource\n
* CFGR3 USART3SW LL_RCC_SetUSARTClockSource
* @param USARTxSource This parameter can be one of the following values:
* @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
* @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
* @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
* @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
* @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
*
* (*) value not defined in all devices.
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource)
{
MODIFY_REG(RCC->CFGR3, (RCC_CFGR3_USART1SW << ((USARTxSource & 0xFF000000U) >> 24U)), (USARTxSource & 0x00FFFFFFU));
}
/**
* @brief Configure I2Cx clock source
* @rmtoll CFGR3 I2C1SW LL_RCC_SetI2CClockSource
* @param I2CxSource This parameter can be one of the following values:
* @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
* @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource)
{
MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, I2CxSource);
}
#if defined(CEC)
/**
* @brief Configure CEC clock source
* @rmtoll CFGR3 CECSW LL_RCC_SetCECClockSource
* @param CECxSource This parameter can be one of the following values:
* @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
* @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetCECClockSource(uint32_t CECxSource)
{
MODIFY_REG(RCC->CFGR3, RCC_CFGR3_CECSW, CECxSource);
}
#endif /* CEC */
#if defined(USB)
/**
* @brief Configure USB clock source
* @rmtoll CFGR3 USBSW LL_RCC_SetUSBClockSource
* @param USBxSource This parameter can be one of the following values:
* @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
* @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
* @arg @ref LL_RCC_USB_CLKSOURCE_PLL
*
* (*) value not defined in all devices.
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
{
MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USBSW, USBxSource);
}
#endif /* USB */
/**
* @brief Get USARTx clock source
* @rmtoll CFGR3 USART1SW LL_RCC_GetUSARTClockSource\n
* CFGR3 USART2SW LL_RCC_GetUSARTClockSource\n
* CFGR3 USART3SW LL_RCC_GetUSARTClockSource
* @param USARTx This parameter can be one of the following values:
* @arg @ref LL_RCC_USART1_CLKSOURCE
* @arg @ref LL_RCC_USART2_CLKSOURCE (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE (*)
*
* (*) value not defined in all devices.
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
* @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
* @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
* @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
* @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
* @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
* @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
*
* (*) value not defined in all devices.
*/
__STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx)
{
return (uint32_t)(READ_BIT(RCC->CFGR3, (RCC_CFGR3_USART1SW << USARTx)) | (USARTx << 24U));
}
/**
* @brief Get I2Cx clock source
* @rmtoll CFGR3 I2C1SW LL_RCC_GetI2CClockSource
* @param I2Cx This parameter can be one of the following values:
* @arg @ref LL_RCC_I2C1_CLKSOURCE
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
* @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
*/
__STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx)
{
return (uint32_t)(READ_BIT(RCC->CFGR3, I2Cx));
}
#if defined(CEC)
/**
* @brief Get CEC clock source
* @rmtoll CFGR3 CECSW LL_RCC_GetCECClockSource
* @param CECx This parameter can be one of the following values:
* @arg @ref LL_RCC_CEC_CLKSOURCE
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
* @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
*/
__STATIC_INLINE uint32_t LL_RCC_GetCECClockSource(uint32_t CECx)
{
return (uint32_t)(READ_BIT(RCC->CFGR3, CECx));
}
#endif /* CEC */
#if defined(USB)
/**
* @brief Get USBx clock source
* @rmtoll CFGR3 USBSW LL_RCC_GetUSBClockSource
* @param USBx This parameter can be one of the following values:
* @arg @ref LL_RCC_USB_CLKSOURCE
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
* @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
* @arg @ref LL_RCC_USB_CLKSOURCE_PLL
*
* (*) value not defined in all devices.
*/
__STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
{
return (uint32_t)(READ_BIT(RCC->CFGR3, USBx));
}
#endif /* USB */
/**
* @}
*/
/** @defgroup RCC_LL_EF_RTC RTC
* @{
*/
/**
* @brief Set RTC Clock Source
* @note Once the RTC clock source has been selected, it cannot be changed any more unless
* the Backup domain is reset. The BDRST bit can be used to reset them.
* @rmtoll BDCR RTCSEL LL_RCC_SetRTCClockSource
* @param Source This parameter can be one of the following values:
* @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
* @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
* @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
* @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
* @retval None
*/
__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
{
MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
}
/**
* @brief Get RTC Clock Source
* @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
* @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
* @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
* @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
*/
__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
{
return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
}
/**
* @brief Enable RTC
* @rmtoll BDCR RTCEN LL_RCC_EnableRTC
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableRTC(void)
{
SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
}
/**
* @brief Disable RTC
* @rmtoll BDCR RTCEN LL_RCC_DisableRTC
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableRTC(void)
{
CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
}
/**
* @brief Check if RTC has been enabled or not
* @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
{
return (READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN));
}
/**
* @brief Force the Backup domain reset
* @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset
* @retval None
*/
__STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
{
SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
}
/**
* @brief Release the Backup domain reset
* @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset
* @retval None
*/
__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
{
CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_PLL PLL
* @{
*/
/**
* @brief Enable PLL
* @rmtoll CR PLLON LL_RCC_PLL_Enable
* @retval None
*/
__STATIC_INLINE void LL_RCC_PLL_Enable(void)
{
SET_BIT(RCC->CR, RCC_CR_PLLON);
}
/**
* @brief Disable PLL
* @note Cannot be disabled if the PLL clock is used as the system clock
* @rmtoll CR PLLON LL_RCC_PLL_Disable
* @retval None
*/
__STATIC_INLINE void LL_RCC_PLL_Disable(void)
{
CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
}
/**
* @brief Check if PLL Ready
* @rmtoll CR PLLRDY LL_RCC_PLL_IsReady
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
{
return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
}
#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
/**
* @brief Configure PLL used for SYSCLK Domain
* @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
* CFGR PLLMUL LL_RCC_PLL_ConfigDomain_SYS\n
* CFGR2 PREDIV LL_RCC_PLL_ConfigDomain_SYS
* @param Source This parameter can be one of the following values:
* @arg @ref LL_RCC_PLLSOURCE_HSI
* @arg @ref LL_RCC_PLLSOURCE_HSE
* @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
*
* (*) value not defined in all devices
* @param PLLMul This parameter can be one of the following values:
* @arg @ref LL_RCC_PLL_MUL_2
* @arg @ref LL_RCC_PLL_MUL_3
* @arg @ref LL_RCC_PLL_MUL_4
* @arg @ref LL_RCC_PLL_MUL_5
* @arg @ref LL_RCC_PLL_MUL_6
* @arg @ref LL_RCC_PLL_MUL_7
* @arg @ref LL_RCC_PLL_MUL_8
* @arg @ref LL_RCC_PLL_MUL_9
* @arg @ref LL_RCC_PLL_MUL_10
* @arg @ref LL_RCC_PLL_MUL_11
* @arg @ref LL_RCC_PLL_MUL_12
* @arg @ref LL_RCC_PLL_MUL_13
* @arg @ref LL_RCC_PLL_MUL_14
* @arg @ref LL_RCC_PLL_MUL_15
* @arg @ref LL_RCC_PLL_MUL_16
* @param PLLDiv This parameter can be one of the following values:
* @arg @ref LL_RCC_PREDIV_DIV_1
* @arg @ref LL_RCC_PREDIV_DIV_2
* @arg @ref LL_RCC_PREDIV_DIV_3
* @arg @ref LL_RCC_PREDIV_DIV_4
* @arg @ref LL_RCC_PREDIV_DIV_5
* @arg @ref LL_RCC_PREDIV_DIV_6
* @arg @ref LL_RCC_PREDIV_DIV_7
* @arg @ref LL_RCC_PREDIV_DIV_8
* @arg @ref LL_RCC_PREDIV_DIV_9
* @arg @ref LL_RCC_PREDIV_DIV_10
* @arg @ref LL_RCC_PREDIV_DIV_11
* @arg @ref LL_RCC_PREDIV_DIV_12
* @arg @ref LL_RCC_PREDIV_DIV_13
* @arg @ref LL_RCC_PREDIV_DIV_14
* @arg @ref LL_RCC_PREDIV_DIV_15
* @arg @ref LL_RCC_PREDIV_DIV_16
* @retval None
*/
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul, uint32_t PLLDiv)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, Source | PLLMul);
MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, PLLDiv);
}
#else
/**
* @brief Configure PLL used for SYSCLK Domain
* @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
* CFGR PLLMUL LL_RCC_PLL_ConfigDomain_SYS\n
* CFGR2 PREDIV LL_RCC_PLL_ConfigDomain_SYS
* @param Source This parameter can be one of the following values:
* @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_1
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_2
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_3
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_4
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_5
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_6
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_7
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_8
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_9
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_10
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_11
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_12
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_13
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_14
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_15
* @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_16
* @param PLLMul This parameter can be one of the following values:
* @arg @ref LL_RCC_PLL_MUL_2
* @arg @ref LL_RCC_PLL_MUL_3
* @arg @ref LL_RCC_PLL_MUL_4
* @arg @ref LL_RCC_PLL_MUL_5
* @arg @ref LL_RCC_PLL_MUL_6
* @arg @ref LL_RCC_PLL_MUL_7
* @arg @ref LL_RCC_PLL_MUL_8
* @arg @ref LL_RCC_PLL_MUL_9
* @arg @ref LL_RCC_PLL_MUL_10
* @arg @ref LL_RCC_PLL_MUL_11
* @arg @ref LL_RCC_PLL_MUL_12
* @arg @ref LL_RCC_PLL_MUL_13
* @arg @ref LL_RCC_PLL_MUL_14
* @arg @ref LL_RCC_PLL_MUL_15
* @arg @ref LL_RCC_PLL_MUL_16
* @retval None
*/
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, (Source & RCC_CFGR_PLLSRC) | PLLMul);
MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (Source & RCC_CFGR2_PREDIV));
}
#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
/**
* @brief Configure PLL clock source
* @rmtoll CFGR PLLSRC LL_RCC_PLL_SetMainSource
* @param PLLSource This parameter can be one of the following values:
* @arg @ref LL_RCC_PLLSOURCE_NONE
* @arg @ref LL_RCC_PLLSOURCE_HSI (*)
* @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2 (*)
* @arg @ref LL_RCC_PLLSOURCE_HSE
* @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
*
* (*) value not defined in all devices
* @retval None
*/
__STATIC_INLINE void LL_RCC_PLL_SetMainSource(uint32_t PLLSource)
{
MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC, PLLSource);
}
/**
* @brief Get the oscillator used as PLL clock source.
* @rmtoll CFGR PLLSRC LL_RCC_PLL_GetMainSource
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_PLLSOURCE_NONE
* @arg @ref LL_RCC_PLLSOURCE_HSI (*)
* @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2 (*)
* @arg @ref LL_RCC_PLLSOURCE_HSE
* @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
*
* (*) value not defined in all devices
*/
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
}
/**
* @brief Get PLL multiplication Factor
* @rmtoll CFGR PLLMUL LL_RCC_PLL_GetMultiplicator
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_PLL_MUL_2
* @arg @ref LL_RCC_PLL_MUL_3
* @arg @ref LL_RCC_PLL_MUL_4
* @arg @ref LL_RCC_PLL_MUL_5
* @arg @ref LL_RCC_PLL_MUL_6
* @arg @ref LL_RCC_PLL_MUL_7
* @arg @ref LL_RCC_PLL_MUL_8
* @arg @ref LL_RCC_PLL_MUL_9
* @arg @ref LL_RCC_PLL_MUL_10
* @arg @ref LL_RCC_PLL_MUL_11
* @arg @ref LL_RCC_PLL_MUL_12
* @arg @ref LL_RCC_PLL_MUL_13
* @arg @ref LL_RCC_PLL_MUL_14
* @arg @ref LL_RCC_PLL_MUL_15
* @arg @ref LL_RCC_PLL_MUL_16
*/
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMUL));
}
/**
* @brief Get PREDIV division factor for the main PLL
* @note They can be written only when the PLL is disabled
* @rmtoll CFGR2 PREDIV LL_RCC_PLL_GetPrediv
* @retval Returned value can be one of the following values:
* @arg @ref LL_RCC_PREDIV_DIV_1
* @arg @ref LL_RCC_PREDIV_DIV_2
* @arg @ref LL_RCC_PREDIV_DIV_3
* @arg @ref LL_RCC_PREDIV_DIV_4
* @arg @ref LL_RCC_PREDIV_DIV_5
* @arg @ref LL_RCC_PREDIV_DIV_6
* @arg @ref LL_RCC_PREDIV_DIV_7
* @arg @ref LL_RCC_PREDIV_DIV_8
* @arg @ref LL_RCC_PREDIV_DIV_9
* @arg @ref LL_RCC_PREDIV_DIV_10
* @arg @ref LL_RCC_PREDIV_DIV_11
* @arg @ref LL_RCC_PREDIV_DIV_12
* @arg @ref LL_RCC_PREDIV_DIV_13
* @arg @ref LL_RCC_PREDIV_DIV_14
* @arg @ref LL_RCC_PREDIV_DIV_15
* @arg @ref LL_RCC_PREDIV_DIV_16
*/
__STATIC_INLINE uint32_t LL_RCC_PLL_GetPrediv(void)
{
return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV));
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
* @{
*/
/**
* @brief Clear LSI ready interrupt flag
* @rmtoll CIR LSIRDYC LL_RCC_ClearFlag_LSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
}
/**
* @brief Clear LSE ready interrupt flag
* @rmtoll CIR LSERDYC LL_RCC_ClearFlag_LSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
}
/**
* @brief Clear HSI ready interrupt flag
* @rmtoll CIR HSIRDYC LL_RCC_ClearFlag_HSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
}
/**
* @brief Clear HSE ready interrupt flag
* @rmtoll CIR HSERDYC LL_RCC_ClearFlag_HSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
}
/**
* @brief Clear PLL ready interrupt flag
* @rmtoll CIR PLLRDYC LL_RCC_ClearFlag_PLLRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
}
/**
* @brief Clear HSI14 ready interrupt flag
* @rmtoll CIR HSI14RDYC LL_RCC_ClearFlag_HSI14RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_HSI14RDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSI14RDYC);
}
#if defined(RCC_HSI48_SUPPORT)
/**
* @brief Clear HSI48 ready interrupt flag
* @rmtoll CIR HSI48RDYC LL_RCC_ClearFlag_HSI48RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_HSI48RDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSI48RDYC);
}
#endif /* RCC_HSI48_SUPPORT */
/**
* @brief Clear Clock security system interrupt flag
* @rmtoll CIR CSSC LL_RCC_ClearFlag_HSECSS
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
{
SET_BIT(RCC->CIR, RCC_CIR_CSSC);
}
/**
* @brief Check if LSI ready interrupt occurred or not
* @rmtoll CIR LSIRDYF LL_RCC_IsActiveFlag_LSIRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == (RCC_CIR_LSIRDYF));
}
/**
* @brief Check if LSE ready interrupt occurred or not
* @rmtoll CIR LSERDYF LL_RCC_IsActiveFlag_LSERDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == (RCC_CIR_LSERDYF));
}
/**
* @brief Check if HSI ready interrupt occurred or not
* @rmtoll CIR HSIRDYF LL_RCC_IsActiveFlag_HSIRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == (RCC_CIR_HSIRDYF));
}
/**
* @brief Check if HSE ready interrupt occurred or not
* @rmtoll CIR HSERDYF LL_RCC_IsActiveFlag_HSERDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == (RCC_CIR_HSERDYF));
}
/**
* @brief Check if PLL ready interrupt occurred or not
* @rmtoll CIR PLLRDYF LL_RCC_IsActiveFlag_PLLRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == (RCC_CIR_PLLRDYF));
}
/**
* @brief Check if HSI14 ready interrupt occurred or not
* @rmtoll CIR HSI14RDYF LL_RCC_IsActiveFlag_HSI14RDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI14RDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSI14RDYF) == (RCC_CIR_HSI14RDYF));
}
#if defined(RCC_HSI48_SUPPORT)
/**
* @brief Check if HSI48 ready interrupt occurred or not
* @rmtoll CIR HSI48RDYF LL_RCC_IsActiveFlag_HSI48RDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI48RDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSI48RDYF) == (RCC_CIR_HSI48RDYF));
}
#endif /* RCC_HSI48_SUPPORT */
/**
* @brief Check if Clock security system interrupt occurred or not
* @rmtoll CIR CSSF LL_RCC_IsActiveFlag_HSECSS
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_CSSF) == (RCC_CIR_CSSF));
}
/**
* @brief Check if RCC flag Independent Watchdog reset is set or not.
* @rmtoll CSR IWDGRSTF LL_RCC_IsActiveFlag_IWDGRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
}
/**
* @brief Check if RCC flag Low Power reset is set or not.
* @rmtoll CSR LPWRRSTF LL_RCC_IsActiveFlag_LPWRRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
}
/**
* @brief Check if RCC flag is set or not.
* @rmtoll CSR OBLRSTF LL_RCC_IsActiveFlag_OBLRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF));
}
/**
* @brief Check if RCC flag Pin reset is set or not.
* @rmtoll CSR PINRSTF LL_RCC_IsActiveFlag_PINRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
}
/**
* @brief Check if RCC flag POR/PDR reset is set or not.
* @rmtoll CSR PORRSTF LL_RCC_IsActiveFlag_PORRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == (RCC_CSR_PORRSTF));
}
/**
* @brief Check if RCC flag Software reset is set or not.
* @rmtoll CSR SFTRSTF LL_RCC_IsActiveFlag_SFTRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
}
/**
* @brief Check if RCC flag Window Watchdog reset is set or not.
* @rmtoll CSR WWDGRSTF LL_RCC_IsActiveFlag_WWDGRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
}
#if defined(RCC_CSR_V18PWRRSTF)
/**
* @brief Check if RCC Reset flag of the 1.8 V domain is set or not.
* @rmtoll CSR V18PWRRSTF LL_RCC_IsActiveFlag_V18PWRRST
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_V18PWRRST(void)
{
return (READ_BIT(RCC->CSR, RCC_CSR_V18PWRRSTF) == (RCC_CSR_V18PWRRSTF));
}
#endif /* RCC_CSR_V18PWRRSTF */
/**
* @brief Set RMVF bit to clear the reset flags.
* @rmtoll CSR RMVF LL_RCC_ClearResetFlags
* @retval None
*/
__STATIC_INLINE void LL_RCC_ClearResetFlags(void)
{
SET_BIT(RCC->CSR, RCC_CSR_RMVF);
}
/**
* @}
*/
/** @defgroup RCC_LL_EF_IT_Management IT Management
* @{
*/
/**
* @brief Enable LSI ready interrupt
* @rmtoll CIR LSIRDYIE LL_RCC_EnableIT_LSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
}
/**
* @brief Enable LSE ready interrupt
* @rmtoll CIR LSERDYIE LL_RCC_EnableIT_LSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
}
/**
* @brief Enable HSI ready interrupt
* @rmtoll CIR HSIRDYIE LL_RCC_EnableIT_HSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
}
/**
* @brief Enable HSE ready interrupt
* @rmtoll CIR HSERDYIE LL_RCC_EnableIT_HSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
}
/**
* @brief Enable PLL ready interrupt
* @rmtoll CIR PLLRDYIE LL_RCC_EnableIT_PLLRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
}
/**
* @brief Enable HSI14 ready interrupt
* @rmtoll CIR HSI14RDYIE LL_RCC_EnableIT_HSI14RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_HSI14RDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE);
}
#if defined(RCC_HSI48_SUPPORT)
/**
* @brief Enable HSI48 ready interrupt
* @rmtoll CIR HSI48RDYIE LL_RCC_EnableIT_HSI48RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_EnableIT_HSI48RDY(void)
{
SET_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE);
}
#endif /* RCC_HSI48_SUPPORT */
/**
* @brief Disable LSI ready interrupt
* @rmtoll CIR LSIRDYIE LL_RCC_DisableIT_LSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
}
/**
* @brief Disable LSE ready interrupt
* @rmtoll CIR LSERDYIE LL_RCC_DisableIT_LSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
}
/**
* @brief Disable HSI ready interrupt
* @rmtoll CIR HSIRDYIE LL_RCC_DisableIT_HSIRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
}
/**
* @brief Disable HSE ready interrupt
* @rmtoll CIR HSERDYIE LL_RCC_DisableIT_HSERDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
}
/**
* @brief Disable PLL ready interrupt
* @rmtoll CIR PLLRDYIE LL_RCC_DisableIT_PLLRDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
}
/**
* @brief Disable HSI14 ready interrupt
* @rmtoll CIR HSI14RDYIE LL_RCC_DisableIT_HSI14RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_HSI14RDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE);
}
#if defined(RCC_HSI48_SUPPORT)
/**
* @brief Disable HSI48 ready interrupt
* @rmtoll CIR HSI48RDYIE LL_RCC_DisableIT_HSI48RDY
* @retval None
*/
__STATIC_INLINE void LL_RCC_DisableIT_HSI48RDY(void)
{
CLEAR_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE);
}
#endif /* RCC_HSI48_SUPPORT */
/**
* @brief Checks if LSI ready interrupt source is enabled or disabled.
* @rmtoll CIR LSIRDYIE LL_RCC_IsEnabledIT_LSIRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == (RCC_CIR_LSIRDYIE));
}
/**
* @brief Checks if LSE ready interrupt source is enabled or disabled.
* @rmtoll CIR LSERDYIE LL_RCC_IsEnabledIT_LSERDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == (RCC_CIR_LSERDYIE));
}
/**
* @brief Checks if HSI ready interrupt source is enabled or disabled.
* @rmtoll CIR HSIRDYIE LL_RCC_IsEnabledIT_HSIRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == (RCC_CIR_HSIRDYIE));
}
/**
* @brief Checks if HSE ready interrupt source is enabled or disabled.
* @rmtoll CIR HSERDYIE LL_RCC_IsEnabledIT_HSERDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == (RCC_CIR_HSERDYIE));
}
/**
* @brief Checks if PLL ready interrupt source is enabled or disabled.
* @rmtoll CIR PLLRDYIE LL_RCC_IsEnabledIT_PLLRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == (RCC_CIR_PLLRDYIE));
}
/**
* @brief Checks if HSI14 ready interrupt source is enabled or disabled.
* @rmtoll CIR HSI14RDYIE LL_RCC_IsEnabledIT_HSI14RDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI14RDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE) == (RCC_CIR_HSI14RDYIE));
}
#if defined(RCC_HSI48_SUPPORT)
/**
* @brief Checks if HSI48 ready interrupt source is enabled or disabled.
* @rmtoll CIR HSI48RDYIE LL_RCC_IsEnabledIT_HSI48RDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI48RDY(void)
{
return (READ_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE) == (RCC_CIR_HSI48RDYIE));
}
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RCC_LL_EF_Init De-initialization function
* @{
*/
ErrorStatus LL_RCC_DeInit(void);
/**
* @}
*/
/** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
* @{
*/
void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource);
uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource);
#if defined(USB_OTG_FS) || defined(USB)
uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
#endif /* USB_OTG_FS || USB */
#if defined(CEC)
uint32_t LL_RCC_GetCECClockFreq(uint32_t CECxSource);
#endif /* CEC */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/**
* @}
*/
/**
* @}
*/
#endif /* RCC */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F0xx_LL_RCC_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/