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pigweed / third_party / github / STMicroelectronics / stm32l0xx_hal_driver / a23e7c1683d31c68b03d6fdcb7169214aa4dfe2f / . / Inc / stm32l0xx_hal_rcc.h
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/**
******************************************************************************
* @file stm32l0xx_hal_rcc.h
* @author MCD Application Team
* @brief Header file of RCC HAL module.
******************************************************************************
* @attention
*
* Copyright (c) 2016 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L0xx_HAL_RCC_H
#define __STM32L0xx_HAL_RCC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal_def.h"
/** @addtogroup STM32L0xx_HAL_Driver
* @{
*/
/** @addtogroup RCC
* @{
*/
/** @addtogroup RCC_Private_Constants
* @{
*/
/** @defgroup RCC_Timeout RCC Timeout
* @{
*/
/* Disable Backup domain write protection state change timeout */
#define RCC_DBP_TIMEOUT_VALUE (100U) /* 100 ms */
/* LSE state change timeout */
#define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
#define CLOCKSWITCH_TIMEOUT_VALUE (5000U) /* 5 s */
#define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
#define MSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1) */
#define HSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1) */
#define LSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1) */
#define PLL_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1) */
#if defined(RCC_HSI48_SUPPORT)
#define HSI48_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1) */
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_BitAddress_AliasRegion BitAddress AliasRegion
* @brief RCC registers bit address in the alias region
* @{
*/
#define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
/* --- CR Register ---*/
/* Alias word address of HSION bit */
#define RCC_CR_OFFSET (RCC_OFFSET + 0x00U)
/* --- CFGR Register ---*/
/* Alias word address of I2SSRC bit */
#define RCC_CFGR_OFFSET (RCC_OFFSET + 0x08U)
/* --- CSR Register ---*/
#define RCC_CSR_OFFSET (RCC_OFFSET + 0x74U)
/* CR register byte 3 (Bits[23:16]) base address */
#define RCC_CR_BYTE2_ADDRESS (0x40023802U)
/* CIER register byte 0 (Bits[0:8]) base address */
#define CIER_BYTE0_ADDRESS ((uint32_t)(RCC_BASE + 0x10U + 0x00U))
/**
* @}
*/
/* Defines used for Flags */
#define CR_REG_INDEX ((uint8_t)1)
#define CSR_REG_INDEX ((uint8_t)2)
#define CRRCR_REG_INDEX ((uint8_t)3)
#define RCC_FLAG_MASK ((uint8_t)0x1F)
/**
* @}
*/
/** @addtogroup RCC_Private_Macros
* @{
*/
#if defined(RCC_HSI48_SUPPORT)
#define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) (((__OSCILLATOR__) == RCC_OSCILLATORTYPE_NONE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSI48) == RCC_OSCILLATORTYPE_HSI48) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_MSI) == RCC_OSCILLATORTYPE_MSI))
#define IS_RCC_HSI48(__HSI48__) (((__HSI48__) == RCC_HSI48_OFF) || ((__HSI48__) == RCC_HSI48_ON))
#else
#define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) (((__OSCILLATOR__) == RCC_OSCILLATORTYPE_NONE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) || \
(((__OSCILLATOR__) & RCC_OSCILLATORTYPE_MSI) == RCC_OSCILLATORTYPE_MSI))
#endif /* RCC_HSI48_SUPPORT */
#define IS_RCC_PLLSOURCE(__SOURCE__) (((__SOURCE__) == RCC_PLLSOURCE_HSI) || \
((__SOURCE__) == RCC_PLLSOURCE_HSE))
#define IS_RCC_HSE(__HSE__) (((__HSE__) == RCC_HSE_OFF) || ((__HSE__) == RCC_HSE_ON) || \
((__HSE__) == RCC_HSE_BYPASS))
#define IS_RCC_LSE(__LSE__) (((__LSE__) == RCC_LSE_OFF) || ((__LSE__) == RCC_LSE_ON) || \
((__LSE__) == RCC_LSE_BYPASS))
#if defined(RCC_CR_HSIOUTEN)
#define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON) || \
((__HSI__) == RCC_HSI_DIV4) || ((__HSI__) == RCC_HSI_OUTEN) || \
((__HSI__) == (RCC_HSI_OUTEN|RCC_HSI_ON)) || ((__HSI__) == (RCC_HSI_OUTEN|RCC_HSI_DIV4)))
#else
#define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON) || \
((__HSI__) == RCC_HSI_DIV4))
#endif /* RCC_CR_HSIOUTEN */
#define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1FU)
#define IS_RCC_MSICALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0xFFU)
#define IS_RCC_MSI_CLOCK_RANGE(__RANGE__) (((__RANGE__) == RCC_MSIRANGE_0) || \
((__RANGE__) == RCC_MSIRANGE_1) || \
((__RANGE__) == RCC_MSIRANGE_2) || \
((__RANGE__) == RCC_MSIRANGE_3) || \
((__RANGE__) == RCC_MSIRANGE_4) || \
((__RANGE__) == RCC_MSIRANGE_5) || \
((__RANGE__) == RCC_MSIRANGE_6))
#define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON))
#define IS_RCC_MSI(__MSI__) (((__MSI__) == RCC_MSI_OFF) || ((__MSI__) == RCC_MSI_ON))
#define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) || ((__PLL__) == RCC_PLL_OFF) || \
((__PLL__) == RCC_PLL_ON))
#define IS_RCC_PLL_DIV(__DIV__) (((__DIV__) == RCC_PLL_DIV2) || \
((__DIV__) == RCC_PLL_DIV3) || ((__DIV__) == RCC_PLL_DIV4))
#define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLL_MUL3) || ((__MUL__) == RCC_PLL_MUL4) || \
((__MUL__) == RCC_PLL_MUL6) || ((__MUL__) == RCC_PLL_MUL8) || \
((__MUL__) == RCC_PLL_MUL12) || ((__MUL__) == RCC_PLL_MUL16) || \
((__MUL__) == RCC_PLL_MUL24) || ((__MUL__) == RCC_PLL_MUL32) || \
((__MUL__) == RCC_PLL_MUL48))
#define IS_RCC_CLOCKTYPE(CLK) ((((CLK) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \
(((CLK) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK) || \
(((CLK) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1) || \
(((CLK) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2))
#define IS_RCC_SYSCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_MSI) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_HSI) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_HSE) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_PLLCLK))
#define IS_RCC_SYSCLKSOURCE_STATUS(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_MSI) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSI) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSE) || \
((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_PLLCLK))
#define IS_RCC_HCLK(__HCLK__) (((__HCLK__) == RCC_SYSCLK_DIV1) || ((__HCLK__) == RCC_SYSCLK_DIV2) || \
((__HCLK__) == RCC_SYSCLK_DIV4) || ((__HCLK__) == RCC_SYSCLK_DIV8) || \
((__HCLK__) == RCC_SYSCLK_DIV16) || ((__HCLK__) == RCC_SYSCLK_DIV64) || \
((__HCLK__) == RCC_SYSCLK_DIV128) || ((__HCLK__) == RCC_SYSCLK_DIV256) || \
((__HCLK__) == RCC_SYSCLK_DIV512))
#define IS_RCC_PCLK(__PCLK__) (((__PCLK__) == RCC_HCLK_DIV1) || ((__PCLK__) == RCC_HCLK_DIV2) || \
((__PCLK__) == RCC_HCLK_DIV4) || ((__PCLK__) == RCC_HCLK_DIV8) || \
((__PCLK__) == RCC_HCLK_DIV16))
#if defined(RCC_MCO3_SUPPORT)
#define IS_RCC_MCO(__MCO__) (((__MCO__) == RCC_MCO1) || ((__MCO__) == RCC_MCO2) || ((__MCO__) == RCC_MCO3))
#else
#define IS_RCC_MCO(__MCO__) (((__MCO__) == RCC_MCO1) || ((__MCO__) == RCC_MCO2))
#endif /* RCC_MCO3_SUPPORT */
#define IS_RCC_MCODIV(__DIV__) (((__DIV__) == RCC_MCODIV_1) || ((__DIV__) == RCC_MCODIV_2) || \
((__DIV__) == RCC_MCODIV_4) || ((__DIV__) == RCC_MCODIV_8) || \
((__DIV__) == RCC_MCODIV_16))
#if defined(RCC_CFGR_MCOSEL_HSI48)
#define IS_RCC_MCO1SOURCE(__SOURCE__) (((__SOURCE__) == RCC_MCO1SOURCE_NOCLOCK) || ((__SOURCE__) == RCC_MCO1SOURCE_SYSCLK) || \
((__SOURCE__) == RCC_MCO1SOURCE_HSI) || ((__SOURCE__) == RCC_MCO1SOURCE_MSI) || \
((__SOURCE__) == RCC_MCO1SOURCE_HSE) || ((__SOURCE__) == RCC_MCO1SOURCE_PLLCLK) || \
((__SOURCE__) == RCC_MCO1SOURCE_LSI) || ((__SOURCE__) == RCC_MCO1SOURCE_LSE) || \
((__SOURCE__) == RCC_MCO1SOURCE_HSI48))
#else
#define IS_RCC_MCO1SOURCE(__SOURCE__) (((__SOURCE__) == RCC_MCO1SOURCE_NOCLOCK) || ((__SOURCE__) == RCC_MCO1SOURCE_SYSCLK) || \
((__SOURCE__) == RCC_MCO1SOURCE_HSI) || ((__SOURCE__) == RCC_MCO1SOURCE_MSI) || \
((__SOURCE__) == RCC_MCO1SOURCE_HSE) || ((__SOURCE__) == RCC_MCO1SOURCE_PLLCLK) || \
((__SOURCE__) == RCC_MCO1SOURCE_LSI) || ((__SOURCE__) == RCC_MCO1SOURCE_LSE))
#endif /* RCC_CFGR_MCOSEL_HSI48 */
#define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16))
/**
* @}
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup RCC_Exported_Types RCC Exported Types
* @{
*/
/**
* @brief RCC PLL configuration structure definition
*/
typedef struct
{
uint32_t PLLState; /*!< PLLState: The new state of the PLL.
This parameter can be a value of @ref RCC_PLL_Config */
uint32_t PLLSource; /*!< PLLSource: PLL entry clock source.
This parameter must be a value of @ref RCC_PLL_Clock_Source */
uint32_t PLLMUL; /*!< PLLMUL: Multiplication factor for PLL VCO input clock
This parameter must be a value of @ref RCC_PLL_Multiplication_Factor*/
uint32_t PLLDIV; /*!< PLLDIV: Division factor for PLL VCO input clock
This parameter must be a value of @ref RCC_PLL_Division_Factor*/
} RCC_PLLInitTypeDef;
/**
* @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
*/
typedef struct
{
uint32_t OscillatorType; /*!< The oscillators to be configured.
This parameter can be a value of @ref RCC_Oscillator_Type */
uint32_t HSEState; /*!< The new state of the HSE.
This parameter can be a value of @ref RCC_HSE_Config */
uint32_t LSEState; /*!< The new state of the LSE.
This parameter can be a value of @ref RCC_LSE_Config */
uint32_t HSIState; /*!< The new state of the HSI.
This parameter can be a value of @ref RCC_HSI_Config */
uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
uint32_t LSIState; /*!< The new state of the LSI.
This parameter can be a value of @ref RCC_LSI_Config */
#if defined(RCC_HSI48_SUPPORT)
uint32_t HSI48State; /*!< The new state of the HSI48.
This parameter can be a value of @ref RCC_HSI48_Config */
#endif /* RCC_HSI48_SUPPORT */
uint32_t MSIState; /*!< The new state of the MSI.
This parameter can be a value of @ref RCC_MSI_Config */
uint32_t MSICalibrationValue; /*!< The MSI calibration trimming value. (default is RCC_MSICALIBRATION_DEFAULT).
This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF */
uint32_t MSIClockRange; /*!< The MSI frequency range.
This parameter can be a value of @ref RCC_MSI_Clock_Range */
RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
} RCC_OscInitTypeDef;
/**
* @brief RCC System, AHB and APB busses clock configuration structure definition
*/
typedef struct
{
uint32_t ClockType; /*!< The clock to be configured.
This parameter can be a value of @ref RCC_System_Clock_Type */
uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
This parameter can be a value of @ref RCC_System_Clock_Source */
uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
This parameter can be a value of @ref RCC_AHB_Clock_Source */
uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
} RCC_ClkInitTypeDef;
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup RCC_Exported_Constants RCC Exported Constants
* @{
*/
/** @defgroup RCC_PLL_Clock_Source PLL Clock Source
* @{
*/
#define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI /*!< HSI clock selected as PLL entry clock source */
#define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE /*!< HSE clock selected as PLL entry clock source */
/**
* @}
*/
/** @defgroup RCC_Oscillator_Type Oscillator Type
* @{
*/
#define RCC_OSCILLATORTYPE_NONE (0x00000000U)
#define RCC_OSCILLATORTYPE_HSE (0x00000001U)
#define RCC_OSCILLATORTYPE_HSI (0x00000002U)
#define RCC_OSCILLATORTYPE_LSE (0x00000004U)
#define RCC_OSCILLATORTYPE_LSI (0x00000008U)
#define RCC_OSCILLATORTYPE_MSI (0x00000010U)
#if defined(RCC_HSI48_SUPPORT)
#define RCC_OSCILLATORTYPE_HSI48 (0x00000020U)
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_HSE_Config HSE Config
* @{
*/
#define RCC_HSE_OFF (0x00000000U) /*!< HSE clock deactivation */
#define RCC_HSE_ON RCC_CR_HSEON /*!< HSE clock activation */
#define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON)) /*!< External clock source for HSE clock */
/**
* @}
*/
/** @defgroup RCC_LSE_Config LSE Config
* @{
*/
#define RCC_LSE_OFF (0x00000000U) /*!< LSE clock deactivation */
#define RCC_LSE_ON RCC_CSR_LSEON /*!< LSE clock activation */
#define RCC_LSE_BYPASS ((uint32_t)(RCC_CSR_LSEBYP | RCC_CSR_LSEON)) /*!< External clock source for LSE clock */
/**
* @}
*/
/** @defgroup RCC_HSI_Config HSI Config
* @{
*/
#define RCC_HSI_OFF (0x00000000U) /*!< HSI clock deactivation */
#define RCC_HSI_ON RCC_CR_HSION /*!< HSI clock activation */
#define RCC_HSI_DIV4 (RCC_CR_HSIDIVEN | RCC_CR_HSION) /*!< HSI_DIV4 clock activation */
#if defined(RCC_CR_HSIOUTEN)
#define RCC_HSI_OUTEN RCC_CR_HSIOUTEN /*!< HSI_OUTEN clock activation */
/* This value is to be used in combination with RCC_HSI_ON/RCC_HSI_DIV4 */
#endif /* RCC_CR_HSIOUTEN */
#define RCC_HSICALIBRATION_DEFAULT (0x10U) /* Default HSI calibration trimming value */
/**
* @}
*/
/** @defgroup RCC_MSI_Clock_Range MSI Clock Range
* @{
*/
#define RCC_MSIRANGE_0 RCC_ICSCR_MSIRANGE_0 /*!< MSI = 65.536 KHz */
#define RCC_MSIRANGE_1 RCC_ICSCR_MSIRANGE_1 /*!< MSI = 131.072 KHz */
#define RCC_MSIRANGE_2 RCC_ICSCR_MSIRANGE_2 /*!< MSI = 262.144 KHz */
#define RCC_MSIRANGE_3 RCC_ICSCR_MSIRANGE_3 /*!< MSI = 524.288 KHz */
#define RCC_MSIRANGE_4 RCC_ICSCR_MSIRANGE_4 /*!< MSI = 1.048 MHz */
#define RCC_MSIRANGE_5 RCC_ICSCR_MSIRANGE_5 /*!< MSI = 2.097 MHz */
#define RCC_MSIRANGE_6 RCC_ICSCR_MSIRANGE_6 /*!< MSI = 4.194 MHz */
/**
* @}
*/
/** @defgroup RCC_LSI_Config LSI Config
* @{
*/
#define RCC_LSI_OFF (0x00000000U) /*!< LSI clock deactivation */
#define RCC_LSI_ON RCC_CSR_LSION /*!< LSI clock activation */
/**
* @}
*/
/** @defgroup RCC_MSI_Config MSI Config
* @{
*/
#define RCC_MSI_OFF (0x00000000U)
#define RCC_MSI_ON (0x00000001U)
#define RCC_MSICALIBRATION_DEFAULT (0x00000000U) /* Default MSI calibration trimming value */
/**
* @}
*/
#if defined(RCC_HSI48_SUPPORT)
/** @defgroup RCC_HSI48_Config HSI48 Config
* @{
*/
#define RCC_HSI48_OFF ((uint8_t)0x00)
#define RCC_HSI48_ON ((uint8_t)0x01)
/**
* @}
*/
#endif /* RCC_HSI48_SUPPORT */
/** @defgroup RCC_PLL_Config PLL Config
* @{
*/
#define RCC_PLL_NONE (0x00000000U) /*!< PLL is not configured */
#define RCC_PLL_OFF (0x00000001U) /*!< PLL deactivation */
#define RCC_PLL_ON (0x00000002U) /*!< PLL activation */
/**
* @}
*/
/** @defgroup RCC_System_Clock_Type System Clock Type
* @{
*/
#define RCC_CLOCKTYPE_SYSCLK (0x00000001U) /*!< SYSCLK to configure */
#define RCC_CLOCKTYPE_HCLK (0x00000002U) /*!< HCLK to configure */
#define RCC_CLOCKTYPE_PCLK1 (0x00000004U) /*!< PCLK1 to configure */
#define RCC_CLOCKTYPE_PCLK2 (0x00000008U) /*!< PCLK2 to configure */
/**
* @}
*/
/** @defgroup RCC_System_Clock_Source System Clock Source
* @{
*/
#define RCC_SYSCLKSOURCE_MSI RCC_CFGR_SW_MSI /*!< MSI selected as system clock */
#define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selected as system clock */
#define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selected as system clock */
#define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL /*!< PLL selected as system clock */
/**
* @}
*/
/** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
* @{
*/
#define RCC_SYSCLKSOURCE_STATUS_MSI RCC_CFGR_SWS_MSI /*!< MSI used as system clock */
#define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
#define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
#define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
/**
* @}
*/
/** @defgroup RCC_AHB_Clock_Source AHB Clock Source
* @{
*/
#define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
#define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
#define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
#define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
#define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
#define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
#define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
#define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
#define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
/**
* @}
*/
/** @defgroup RCC_APB1_APB2_Clock_Source APB1 APB2 Clock Source
* @{
*/
#define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1 /*!< HCLK not divided */
#define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2 /*!< HCLK divided by 2 */
#define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4 /*!< HCLK divided by 4 */
#define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8 /*!< HCLK divided by 8 */
#define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
/**
* @}
*/
/** @defgroup RCC_HAL_EC_RTC_HSE_DIV RTC HSE Prescaler
* @{
*/
#define RCC_RTC_HSE_DIV_2 (0x00000000U) /*!< HSE is divided by 2 for RTC clock */
#define RCC_RTC_HSE_DIV_4 RCC_CR_RTCPRE_0 /*!< HSE is divided by 4 for RTC clock */
#define RCC_RTC_HSE_DIV_8 RCC_CR_RTCPRE_1 /*!< HSE is divided by 8 for RTC clock */
#define RCC_RTC_HSE_DIV_16 RCC_CR_RTCPRE /*!< HSE is divided by 16 for RTC clock */
/**
* @}
*/
/** @defgroup RCC_RTC_LCD_Clock_Source RTC LCD Clock Source
* @{
*/
#define RCC_RTCCLKSOURCE_NO_CLK (0x00000000U) /*!< No clock */
#define RCC_RTCCLKSOURCE_LSE RCC_CSR_RTCSEL_LSE /*!< LSE oscillator clock used as RTC clock */
#define RCC_RTCCLKSOURCE_LSI RCC_CSR_RTCSEL_LSI /*!< LSI oscillator clock used as RTC clock */
#define RCC_RTCCLKSOURCE_HSE_DIVX RCC_CSR_RTCSEL_HSE /*!< HSE oscillator clock divided by X used as RTC clock */
#define RCC_RTCCLKSOURCE_HSE_DIV2 (RCC_RTC_HSE_DIV_2 | RCC_CSR_RTCSEL_HSE) /*!< HSE oscillator clock divided by 2 used as RTC clock */
#define RCC_RTCCLKSOURCE_HSE_DIV4 (RCC_RTC_HSE_DIV_4 | RCC_CSR_RTCSEL_HSE) /*!< HSE oscillator clock divided by 4 used as RTC clock */
#define RCC_RTCCLKSOURCE_HSE_DIV8 (RCC_RTC_HSE_DIV_8 | RCC_CSR_RTCSEL_HSE) /*!< HSE oscillator clock divided by 8 used as RTC clock */
#define RCC_RTCCLKSOURCE_HSE_DIV16 (RCC_RTC_HSE_DIV_16 | RCC_CSR_RTCSEL_HSE) /*!< HSE oscillator clock divided by 16 used as RTC clock */
/**
* @}
*/
/** @defgroup RCC_PLL_Division_Factor PLL Division Factor
* @{
*/
#define RCC_PLL_DIV2 RCC_CFGR_PLLDIV2
#define RCC_PLL_DIV3 RCC_CFGR_PLLDIV3
#define RCC_PLL_DIV4 RCC_CFGR_PLLDIV4
/**
* @}
*/
/** @defgroup RCC_PLL_Multiplication_Factor PLL Multiplication Factor
* @{
*/
#define RCC_PLL_MUL3 RCC_CFGR_PLLMUL3
#define RCC_PLL_MUL4 RCC_CFGR_PLLMUL4
#define RCC_PLL_MUL6 RCC_CFGR_PLLMUL6
#define RCC_PLL_MUL8 RCC_CFGR_PLLMUL8
#define RCC_PLL_MUL12 RCC_CFGR_PLLMUL12
#define RCC_PLL_MUL16 RCC_CFGR_PLLMUL16
#define RCC_PLL_MUL24 RCC_CFGR_PLLMUL24
#define RCC_PLL_MUL32 RCC_CFGR_PLLMUL32
#define RCC_PLL_MUL48 RCC_CFGR_PLLMUL48
/**
* @}
*/
/** @defgroup RCC_MCO_Index MCO Index
* @{
*/
#define RCC_MCO1 (0x00000000U)
#define RCC_MCO2 (0x00000001U)
#if defined(RCC_MCO3_SUPPORT)
#define RCC_MCO3 (0x00000002U)
#if defined(RCC_MCO3_AF0_SUPPORT)
#define MCO3_GPIO_AF GPIO_AF0_MCO
#else
#define MCO3_GPIO_AF GPIO_AF2_MCO
#endif /* RCC_MCO3_AF0_SUPPORT */
#endif /* RCC_MCO3_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_MCOx_Clock_Prescaler MCO Clock Prescaler
* @{
*/
#define RCC_MCODIV_1 RCC_CFGR_MCO_PRE_1
#define RCC_MCODIV_2 RCC_CFGR_MCO_PRE_2
#define RCC_MCODIV_4 RCC_CFGR_MCO_PRE_4
#define RCC_MCODIV_8 RCC_CFGR_MCO_PRE_8
#define RCC_MCODIV_16 RCC_CFGR_MCO_PRE_16
/**
* @}
*/
/** @defgroup RCC_MCO1_Clock_Source MCO1 Clock Source
* @{
*/
#define RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCO_NOCLOCK
#define RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCO_SYSCLK
#define RCC_MCO1SOURCE_MSI RCC_CFGR_MCO_MSI
#define RCC_MCO1SOURCE_HSI RCC_CFGR_MCO_HSI
#define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO_LSE
#define RCC_MCO1SOURCE_LSI RCC_CFGR_MCO_LSI
#define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO_HSE
#define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO_PLL
#if defined(RCC_CFGR_MCOSEL_HSI48)
#define RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCO_HSI48
#endif /* RCC_CFGR_MCOSEL_HSI48 */
/**
* @}
*/
/** @defgroup RCC_Interrupt Interrupts
* @{
*/
#define RCC_IT_LSIRDY RCC_CIFR_LSIRDYF /*!< LSI Ready Interrupt flag */
#define RCC_IT_LSERDY RCC_CIFR_LSERDYF /*!< LSE Ready Interrupt flag */
#define RCC_IT_HSIRDY RCC_CIFR_HSIRDYF /*!< HSI Ready Interrupt flag */
#define RCC_IT_HSERDY RCC_CIFR_HSERDYF /*!< HSE Ready Interrupt flag */
#define RCC_IT_PLLRDY RCC_CIFR_PLLRDYF /*!< PLL Ready Interrupt flag */
#define RCC_IT_MSIRDY RCC_CIFR_MSIRDYF /*!< MSI Ready Interrupt flag */
#define RCC_IT_LSECSS RCC_CIFR_CSSLSEF /*!< LSE Clock Security System Interrupt flag */
#if defined(RCC_HSECSS_SUPPORT)
#define RCC_IT_CSS RCC_CIFR_CSSHSEF /*!< Clock Security System Interrupt flag */
#endif /* RCC_HSECSS_SUPPORT */
#if defined(RCC_HSI48_SUPPORT)
#define RCC_IT_HSI48RDY RCC_CIFR_HSI48RDYF /*!< HSI48 Ready Interrupt flag */
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/** @defgroup RCC_Flag Flags
* Elements values convention: XXXYYYYYb
* - YYYYY : Flag position in the register
* - XXX : Register index
* - 001: CR register
* - 010: CSR register
* - 011: CRRCR register (*)
* (*) Applicable only for STM32L052xx, STM32L053xx, (...), STM32L073xx & STM32L082xx
* @{
*/
/* Flags in the CR register */
#define RCC_FLAG_HSIRDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSIRDY_Pos)) /*!< Internal High Speed clock ready flag */
#define RCC_FLAG_HSIDIV ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSIDIVF_Pos)) /*!< HSI16 divider flag */
#define RCC_FLAG_MSIRDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_MSIRDY_Pos)) /*!< MSI clock ready flag */
#define RCC_FLAG_HSERDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSERDY_Pos)) /*!< External High Speed clock ready flag */
#define RCC_FLAG_PLLRDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_PLLRDY_Pos)) /*!< PLL clock ready flag */
/* Flags in the CSR register */
#define RCC_FLAG_LSIRDY ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSIRDY_Pos)) /*!< Internal Low Speed oscillator Ready */
#define RCC_FLAG_LSERDY ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSERDY_Pos)) /*!< External Low Speed oscillator Ready */
#define RCC_FLAG_LSECSS ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSECSSD_Pos)) /*!< CSS on LSE failure Detection */
#define RCC_FLAG_OBLRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_OBLRSTF_Pos)) /*!< Options bytes loading reset flag */
#define RCC_FLAG_PINRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PINRSTF_Pos)) /*!< PIN reset flag */
#define RCC_FLAG_PORRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PORRSTF_Pos)) /*!< POR/PDR reset flag */
#define RCC_FLAG_SFTRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_SFTRSTF_Pos)) /*!< Software Reset flag */
#define RCC_FLAG_IWDGRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_IWDGRSTF_Pos)) /*!< Independent Watchdog reset flag */
#define RCC_FLAG_WWDGRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_WWDGRSTF_Pos)) /*!< Window watchdog reset flag */
#define RCC_FLAG_LPWRRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LPWRRSTF_Pos)) /*!< Low-Power reset flag */
#if defined(RCC_CSR_FWRSTF)
#define RCC_FLAG_FWRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_FWRSTF_Pos)) /*!< RCC flag FW reset */
#endif /* RCC_CSR_FWRSTF */
/* Flags in the CRRCR register */
#if defined(RCC_HSI48_SUPPORT)
#define RCC_FLAG_HSI48RDY ((uint8_t)((CRRCR_REG_INDEX << 5) | RCC_CRRCR_HSI48RDY_Pos)) /*!< HSI48 clock ready flag */
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RCC_Exported_Macros RCC Exported Macros
* @{
*/
/** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable AHB Peripheral Clock Enable Disable
* @brief Enable or disable the AHB peripheral clock.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_DMA1_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_MIF_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_CRC_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_DMA1_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN)
#define __HAL_RCC_MIF_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN)
#define __HAL_RCC_CRC_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN)
/**
* @}
*/
/** @defgroup RCC_IOPORT_Clock_Enable_Disable IOPORT Peripheral Clock Enable Disable
* @brief Enable or disable the IOPORT peripheral clock.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_GPIOA_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_GPIOB_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_GPIOC_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_GPIOH_CLK_ENABLE() do { \
__IO uint32_t tmpreg; \
SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN);\
/* Delay after an RCC peripheral clock enabling */ \
tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN);\
UNUSED(tmpreg); \
} while(0)
#define __HAL_RCC_GPIOA_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN)
#define __HAL_RCC_GPIOB_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN)
#define __HAL_RCC_GPIOC_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN)
#define __HAL_RCC_GPIOH_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN)
/**
* @}
*/
/** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
* @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_WWDG_CLK_ENABLE() SET_BIT(RCC->APB1ENR, (RCC_APB1ENR_WWDGEN))
#define __HAL_RCC_PWR_CLK_ENABLE() SET_BIT(RCC->APB1ENR, (RCC_APB1ENR_PWREN))
#define __HAL_RCC_WWDG_CLK_DISABLE() CLEAR_BIT(RCC->APB1ENR, (RCC_APB1ENR_WWDGEN))
#define __HAL_RCC_PWR_CLK_DISABLE() CLEAR_BIT(RCC->APB1ENR, (RCC_APB1ENR_PWREN))
/**
* @}
*/
/** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
* @brief Enable or disable the High Speed APB (APB2) peripheral clock.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_SYSCFG_CLK_ENABLE() SET_BIT(RCC->APB2ENR, (RCC_APB2ENR_SYSCFGEN))
#define __HAL_RCC_DBGMCU_CLK_ENABLE() SET_BIT(RCC->APB2ENR, (RCC_APB2ENR_DBGMCUEN))
#define __HAL_RCC_SYSCFG_CLK_DISABLE() CLEAR_BIT(RCC->APB2ENR, (RCC_APB2ENR_SYSCFGEN))
#define __HAL_RCC_DBGMCU_CLK_DISABLE() CLEAR_BIT(RCC->APB2ENR, (RCC_APB2ENR_DBGMCUEN))
/**
* @}
*/
/** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enabled or Disabled Status
* @brief Check whether the AHB peripheral clock is enabled or not.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_DMA1_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN) != 0U)
#define __HAL_RCC_MIF_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN) != 0U)
#define __HAL_RCC_CRC_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN) != 0U)
#define __HAL_RCC_DMA1_IS_CLK_DISABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN) == 0U)
#define __HAL_RCC_MIF_IS_CLK_DISABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN) == 0U)
#define __HAL_RCC_CRC_IS_CLK_DISABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_IOPORT_Peripheral_Clock_Enable_Disable_Status IOPORT Peripheral Clock Enabled or Disabled Status
* @brief Check whether the IOPORT peripheral clock is enabled or not.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_GPIOA_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN) != 0U)
#define __HAL_RCC_GPIOB_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN) != 0U)
#define __HAL_RCC_GPIOC_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN) != 0U)
#define __HAL_RCC_GPIOH_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN) != 0U)
#define __HAL_RCC_GPIOA_IS_CLK_DISABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN) == 0U)
#define __HAL_RCC_GPIOB_IS_CLK_DISABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN) == 0U)
#define __HAL_RCC_GPIOC_IS_CLK_DISABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN) == 0U)
#define __HAL_RCC_GPIOH_IS_CLK_DISABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enabled or Disabled Status
* @brief Check whether the APB1 peripheral clock is enabled or not.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_WWDG_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN) != 0U)
#define __HAL_RCC_PWR_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN) != 0U)
#define __HAL_RCC_WWDG_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN) == 0U)
#define __HAL_RCC_PWR_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN) == 0U)
/**
* @}
*/
/** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enabled or Disabled Status
* @brief Check whether the APB2 peripheral clock is enabled or not.
* @note After reset, the peripheral clock (used for registers read/write access)
* is disabled and the application software has to enable this clock before
* using it.
* @{
*/
#define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN) != 0U)
#define __HAL_RCC_DBGMCU_IS_CLK_ENABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN) != 0U)
#define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN) == 0U)
#define __HAL_RCC_DBGMCU_IS_CLK_DISABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_AHB_Force_Release_Reset AHB Peripheral Force Release Reset
* @brief Force or release AHB peripheral reset.
* @{
*/
#define __HAL_RCC_AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFFU)
#define __HAL_RCC_DMA1_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_DMA1RST))
#define __HAL_RCC_MIF_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_MIFRST))
#define __HAL_RCC_CRC_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_CRCRST))
#define __HAL_RCC_AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00000000U)
#define __HAL_RCC_CRC_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_CRCRST))
#define __HAL_RCC_DMA1_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_DMA1RST))
#define __HAL_RCC_MIF_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_MIFRST))
/**
* @}
*/
/** @defgroup RCC_IOPORT_Force_Release_Reset IOPORT Peripheral Force Release Reset
* @brief Force or release IOPORT peripheral reset.
* @{
*/
#define __HAL_RCC_IOP_FORCE_RESET() (RCC->IOPRSTR = 0xFFFFFFFFU)
#define __HAL_RCC_GPIOA_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOARST))
#define __HAL_RCC_GPIOB_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOBRST))
#define __HAL_RCC_GPIOC_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOCRST))
#define __HAL_RCC_GPIOH_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOHRST))
#define __HAL_RCC_IOP_RELEASE_RESET() (RCC->IOPRSTR = 0x00000000U)
#define __HAL_RCC_GPIOA_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOARST))
#define __HAL_RCC_GPIOB_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOBRST))
#define __HAL_RCC_GPIOC_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOCRST))
#define __HAL_RCC_GPIOH_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOHRST))
/**
* @}
*/
/** @defgroup RCC_APB1_Force_Release_Reset APB1 Peripheral Force Release Reset
* @brief Force or release APB1 peripheral reset.
* @{
*/
#define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
#define __HAL_RCC_WWDG_FORCE_RESET() SET_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_WWDGRST))
#define __HAL_RCC_PWR_FORCE_RESET() SET_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_PWRRST))
#define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00000000U)
#define __HAL_RCC_WWDG_RELEASE_RESET() CLEAR_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_WWDGRST))
#define __HAL_RCC_PWR_RELEASE_RESET() CLEAR_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_PWRRST))
/**
* @}
*/
/** @defgroup RCC_APB2_Force_Release_Reset APB2 Peripheral Force Release Reset
* @brief Force or release APB2 peripheral reset.
* @{
*/
#define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
#define __HAL_RCC_DBGMCU_FORCE_RESET() SET_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_DBGMCURST))
#define __HAL_RCC_SYSCFG_FORCE_RESET() SET_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_SYSCFGRST))
#define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00000000U)
#define __HAL_RCC_DBGMCU_RELEASE_RESET() CLEAR_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_DBGMCURST))
#define __HAL_RCC_SYSCFG_RELEASE_RESET() CLEAR_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_SYSCFGRST))
/**
* @}
*/
/** @defgroup RCC_AHB_Clock_Sleep_Enable_Disable AHB Peripheral Clock Sleep Enable Disable
* @brief Enable or disable the AHB peripheral clock during Low Power (Sleep) mode.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral activated clocks remain enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_CRC_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_CRCSMEN))
#define __HAL_RCC_MIF_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_MIFSMEN))
#define __HAL_RCC_SRAM_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_SRAMSMEN))
#define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_DMA1SMEN))
#define __HAL_RCC_CRC_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_CRCSMEN))
#define __HAL_RCC_MIF_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_MIFSMEN))
#define __HAL_RCC_SRAM_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_SRAMSMEN))
#define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_DMA1SMEN))
/**
* @}
*/
/** @defgroup RCC_IOPORT_Clock_Sleep_Enable_Disable IOPORT Peripheral Clock Sleep Enable Disable
* @brief Enable or disable the IOPORT peripheral clock during Low Power (Sleep) mode.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral activated clocks remain enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOASMEN))
#define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOBSMEN))
#define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOCSMEN))
#define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOHSMEN))
#define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOASMEN))
#define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOBSMEN))
#define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOCSMEN))
#define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOHSMEN))
/**
* @}
*/
/** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable APB1 Peripheral Clock Sleep Enable Disable
* @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral activated clocks remain enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_WWDGSMEN))
#define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_PWRSMEN))
#define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_WWDGSMEN))
#define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_PWRSMEN))
/**
* @}
*/
/** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable APB2 Peripheral Clock Sleep Enable Disable
* @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral activated clocks remain enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_SYSCFGSMEN))
#define __HAL_RCC_DBGMCU_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_DBGMCUSMEN))
#define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_SYSCFGSMEN))
#define __HAL_RCC_DBGMCU_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_DBGMCUSMEN))
/**
* @}
*/
/** @defgroup RCC_AHB_Clock_Sleep_Enable_Disable_Status AHB Peripheral Clock Sleep Enabled or Disabled Status
* @brief Check whether the AHB peripheral clock during Low Power (Sleep) mode is enabled or not.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral clocks are enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_CRCSMEN) != 0U)
#define __HAL_RCC_MIF_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_MIFSMEN) != 0U)
#define __HAL_RCC_SRAM_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_SRAMSMEN) != 0U)
#define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_DMA1SMEN) != 0U)
#define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_CRCSMEN) == 0U)
#define __HAL_RCC_MIF_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_MIFSMEN) == 0U)
#define __HAL_RCC_SRAM_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_SRAMSMEN) == 0U)
#define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_DMA1SMEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_IOPORT_Clock_Sleep_Enable_Disable_Status IOPORT Peripheral Clock Sleep Enabled or Disabled Status
* @brief Check whether the IOPORT peripheral clock during Low Power (Sleep) mode is enabled or not.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral clocks are enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_GPIOA_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOASMEN) != 0U)
#define __HAL_RCC_GPIOB_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOBSMEN) != 0U)
#define __HAL_RCC_GPIOC_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOCSMEN) != 0U)
#define __HAL_RCC_GPIOH_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOHSMEN) != 0U)
#define __HAL_RCC_GPIOA_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOASMEN) == 0U)
#define __HAL_RCC_GPIOB_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOBSMEN) == 0U)
#define __HAL_RCC_GPIOC_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOCSMEN) == 0U)
#define __HAL_RCC_GPIOH_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOHSMEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enabled or Disabled Status
* @brief Check whether the APB1 peripheral clock during Low Power (Sleep) mode is enabled or not.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral clocks are enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_WWDGSMEN) != 0U)
#define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_PWRSMEN) != 0U)
#define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_WWDGSMEN) == 0U)
#define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_PWRSMEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enabled or Disabled Status
* @brief Check whether the APB2 peripheral clock during Low Power (Sleep) mode is enabled or not.
* @note Peripheral clock gating in SLEEP mode can be used to further reduce
* power consumption.
* @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
* @note By default, all peripheral clocks are enabled during SLEEP mode.
* @{
*/
#define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_SYSCFGSMEN) != 0U)
#define __HAL_RCC_DBGMCU_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_DBGMCUSMEN) != 0U)
#define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_SYSCFGSMEN) == 0U)
#define __HAL_RCC_DBGMCU_IS_CLK_SLEEP_DISABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_DBGMCUSMEN) == 0U)
/**
* @}
*/
/** @defgroup RCC_HSI_Configuration HSI Configuration
* @{
*/
/** @brief Macro to enable or disable the Internal High Speed oscillator (HSI).
* @note After enabling the HSI, the application software should wait on
* HSIRDY flag to be set indicating that HSI clock is stable and can
* be used to clock the PLL and/or system clock.
* @note HSI can not be stopped if it is used directly or through the PLL
* as system clock. In this case, you have to select another source
* of the system clock then stop the HSI.
* @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
* @param __STATE__ specifies the new state of the HSI.
* This parameter can be one of the following values:
* @arg @ref RCC_HSI_OFF turn OFF the HSI oscillator
* @arg @ref RCC_HSI_ON turn ON the HSI oscillator
* @arg @ref RCC_HSI_DIV4 turn ON the HSI oscillator and divide it by 4
* @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
* clock cycles.
*/
#define __HAL_RCC_HSI_CONFIG(__STATE__) \
MODIFY_REG(RCC->CR, RCC_CR_HSION | RCC_CR_HSIDIVEN , (uint32_t)(__STATE__))
/** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
* @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
* It is used (enabled by hardware) as system clock source after startup
* from Reset, wakeup from STOP and STANDBY mode, or in case of failure
* of the HSE used directly or indirectly as system clock (if the Clock
* Security System CSS is enabled).
* @note HSI can not be stopped if it is used as system clock source. In this case,
* you have to select another source of the system clock then stop the HSI.
* @note After enabling the HSI, the application software should wait on HSIRDY
* flag to be set indicating that HSI clock is stable and can be used as
* system clock source.
* @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
* clock cycles.
*/
#define __HAL_RCC_HSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_HSION)
#define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_HSION)
/** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
* @note The calibration is used to compensate for the variations in voltage
* and temperature that influence the frequency of the internal HSI RC.
* @param _HSICALIBRATIONVALUE_ specifies the calibration trimming value.
* (default is RCC_HSICALIBRATION_DEFAULT).
* This parameter must be a number between 0 and 0x1F.
*/
#define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(_HSICALIBRATIONVALUE_) \
(MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, (uint32_t)(_HSICALIBRATIONVALUE_) << RCC_ICSCR_HSITRIM_Pos))
/**
* @}
*/
/** @defgroup RCC_LSI_Configuration LSI Configuration
* @{
*/
/** @brief Macro to enable the Internal Low Speed oscillator (LSI).
* @note After enabling the LSI, the application software should wait on
* LSIRDY flag to be set indicating that LSI clock is stable and can
* be used to clock the IWDG and/or the RTC.
*/
#define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION)
/** @brief Macro to disable the Internal Low Speed oscillator (LSI).
* @note LSI can not be disabled if the IWDG is running.
* @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
* clock cycles.
*/
#define __HAL_RCC_LSI_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION)
/**
* @}
*/
/** @defgroup RCC_HSE_Configuration HSE Configuration
* @{
*/
/**
* @brief Macro to configure the External High Speed oscillator (HSE).
* @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
* supported by this macro. User should request a transition to HSE Off
* first and then HSE On or HSE Bypass.
* @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
* software should wait on HSERDY flag to be set indicating that HSE clock
* is stable and can be used to clock the PLL and/or system clock.
* @note HSE state can not be changed if it is used directly or through the
* PLL as system clock. In this case, you have to select another source
* of the system clock then change the HSE state (ex. disable it).
* @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
* @note This function reset the CSSON bit, so if the clock security system(CSS)
* was previously enabled you have to enable it again after calling this
* function.
* @param __STATE__ specifies the new state of the HSE.
* This parameter can be one of the following values:
* @arg @ref RCC_HSE_OFF turn OFF the HSE oscillator, HSERDY flag goes low after
* 6 HSE oscillator clock cycles.
* @arg @ref RCC_HSE_ON turn ON the HSE oscillator
* @arg @ref RCC_HSE_BYPASS HSE oscillator bypassed with external clock
*/
#define __HAL_RCC_HSE_CONFIG(__STATE__) \
do{ \
__IO uint32_t tmpreg; \
if ((__STATE__) == RCC_HSE_ON) \
{ \
SET_BIT(RCC->CR, RCC_CR_HSEON); \
} \
else if ((__STATE__) == RCC_HSE_BYPASS) \
{ \
SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
SET_BIT(RCC->CR, RCC_CR_HSEON); \
} \
else \
{ \
CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
/* Delay after an RCC peripheral clock */ \
tmpreg = READ_BIT(RCC->CR, RCC_CR_HSEON); \
UNUSED(tmpreg); \
CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
} \
}while(0)
/**
* @}
*/
/** @defgroup RCC_LSE_Configuration LSE Configuration
* @{
*/
/**
* @brief Macro to configure the External Low Speed oscillator (LSE).
* @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
* @note As the LSE is in the Backup domain and write access is denied to
* this domain after reset, you have to enable write access using
* @ref HAL_PWR_EnableBkUpAccess() function before to configure the LSE
* (to be done once after reset).
* @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
* software should wait on LSERDY flag to be set indicating that LSE clock
* is stable and can be used to clock the RTC.
* @param __STATE__ specifies the new state of the LSE.
* This parameter can be one of the following values:
* @arg @ref RCC_LSE_OFF turn OFF the LSE oscillator, LSERDY flag goes low after
* 6 LSE oscillator clock cycles.
* @arg @ref RCC_LSE_ON turn ON the LSE oscillator.
* @arg @ref RCC_LSE_BYPASS LSE oscillator bypassed with external clock.
*/
#define __HAL_RCC_LSE_CONFIG(__STATE__) \
do{ \
if ((__STATE__) == RCC_LSE_ON) \
{ \
SET_BIT(RCC->CSR, RCC_CSR_LSEON); \
} \
else if ((__STATE__) == RCC_LSE_OFF) \
{ \
CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON); \
CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP); \
} \
else if ((__STATE__) == RCC_LSE_BYPASS) \
{ \
SET_BIT(RCC->CSR, RCC_CSR_LSEBYP); \
SET_BIT(RCC->CSR, RCC_CSR_LSEON); \
} \
else \
{ \
CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON); \
CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP); \
} \
}while(0)
/**
* @}
*/
/** @defgroup RCC_MSI_Configuration MSI Configuration
* @{
*/
/** @brief Macro to enable Internal Multi Speed oscillator (MSI).
* @note After enabling the MSI, the application software should wait on MSIRDY
* flag to be set indicating that MSI clock is stable and can be used as
* system clock source.
*/
#define __HAL_RCC_MSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_MSION)
/** @brief Macro to disable the Internal Multi Speed oscillator (MSI).
* @note The MSI is stopped by hardware when entering STOP and STANDBY modes.
* It is used (enabled by hardware) as system clock source after startup
* from Reset, wakeup from STOP and STANDBY mode, or in case of failure
* of the HSE used directly or indirectly as system clock (if the Clock
* Security System CSS is enabled).
* @note MSI can not be stopped if it is used as system clock source. In this case,
* you have to select another source of the system clock then stop the MSI.
* @note When the MSI is stopped, MSIRDY flag goes low after 6 MSI oscillator
* clock cycles.
*/
#define __HAL_RCC_MSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_MSION)
/** @brief Macro adjusts Internal Multi Speed oscillator (MSI) calibration value.
* @note The calibration is used to compensate for the variations in voltage
* and temperature that influence the frequency of the internal MSI RC.
* Refer to the Application Note AN3300 for more details on how to
* calibrate the MSI.
* @param _MSICALIBRATIONVALUE_ specifies the calibration trimming value.
* (default is RCC_MSICALIBRATION_DEFAULT).
* This parameter must be a number between 0 and 0xFF.
*/
#define __HAL_RCC_MSI_CALIBRATIONVALUE_ADJUST(_MSICALIBRATIONVALUE_) \
(MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSITRIM, (uint32_t)(_MSICALIBRATIONVALUE_) << RCC_ICSCR_MSITRIM_Pos))
/* @brief Macro to configures the Internal Multi Speed oscillator (MSI) clock range.
* @note After restart from Reset or wakeup from STANDBY, the MSI clock is
* around 2.097 MHz. The MSI clock does not change after wake-up from
* STOP mode.
* @note The MSI clock range can be modified on the fly.
* @param _MSIRANGEVALUE_ specifies the MSI Clock range.
* This parameter must be one of the following values:
* @arg @ref RCC_MSIRANGE_0 MSI clock is around 65.536 KHz
* @arg @ref RCC_MSIRANGE_1 MSI clock is around 131.072 KHz
* @arg @ref RCC_MSIRANGE_2 MSI clock is around 262.144 KHz
* @arg @ref RCC_MSIRANGE_3 MSI clock is around 524.288 KHz
* @arg @ref RCC_MSIRANGE_4 MSI clock is around 1.048 MHz
* @arg @ref RCC_MSIRANGE_5 MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY)
* @arg @ref RCC_MSIRANGE_6 MSI clock is around 4.194 MHz
*/
#define __HAL_RCC_MSI_RANGE_CONFIG(_MSIRANGEVALUE_) (MODIFY_REG(RCC->ICSCR, \
RCC_ICSCR_MSIRANGE, (uint32_t)(_MSIRANGEVALUE_)))
/** @brief Macro to get the Internal Multi Speed oscillator (MSI) clock range in run mode
* @retval MSI clock range.
* This parameter must be one of the following values:
* @arg @ref RCC_MSIRANGE_0 MSI clock is around 65.536 KHz
* @arg @ref RCC_MSIRANGE_1 MSI clock is around 131.072 KHz
* @arg @ref RCC_MSIRANGE_2 MSI clock is around 262.144 KHz
* @arg @ref RCC_MSIRANGE_3 MSI clock is around 524.288 KHz
* @arg @ref RCC_MSIRANGE_4 MSI clock is around 1.048 MHz
* @arg @ref RCC_MSIRANGE_5 MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY)
* @arg @ref RCC_MSIRANGE_6 MSI clock is around 4.194 MHz
*/
#define __HAL_RCC_GET_MSI_RANGE() (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSIRANGE))
/**
* @}
*/
/** @defgroup RCC_PLL_Configuration PLL Configuration
* @{
*/
/** @brief Macro to enable the main PLL.
* @note After enabling the main PLL, the application software should wait on
* PLLRDY flag to be set indicating that PLL clock is stable and can
* be used as system clock source.
* @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
*/
#define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
/** @brief Macro to disable the main PLL.
* @note The main PLL can not be disabled if it is used as system clock source
*/
#define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
/** @brief Macro to configure the main PLL clock source, multiplication and division factors.
* @note This function must be used only when the main PLL is disabled.
*
* @param __RCC_PLLSOURCE__ specifies the PLL entry clock source.
* This parameter can be one of the following values:
* @arg @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL clock entry
* @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL clock entry
* @param __PLLMUL__ specifies the multiplication factor for PLL VCO output clock
* This parameter can be one of the following values:
* @arg @ref RCC_PLL_MUL3 PLLVCO = PLL clock entry x 3
* @arg @ref RCC_PLL_MUL4 PLLVCO = PLL clock entry x 4
* @arg @ref RCC_PLL_MUL6 PLLVCO = PLL clock entry x 6
* @arg @ref RCC_PLL_MUL8 PLLVCO = PLL clock entry x 8
* @arg @ref RCC_PLL_MUL12 PLLVCO = PLL clock entry x 12
* @arg @ref RCC_PLL_MUL16 PLLVCO = PLL clock entry x 16
* @arg @ref RCC_PLL_MUL24 PLLVCO = PLL clock entry x 24
* @arg @ref RCC_PLL_MUL32 PLLVCO = PLL clock entry x 32
* @arg @ref RCC_PLL_MUL48 PLLVCO = PLL clock entry x 48
* @note The PLL VCO clock frequency must not exceed 96 MHz when the product is in Range 1,
* 48 MHz when the product is in Range 2and 24 MHz when the product is in Range 3.
*
* @param __PLLDIV__ specifies the division factor for PLL VCO input clock
* This parameter can be one of the following values:
* @arg @ref RCC_PLL_DIV2 PLL clock output = PLLVCO / 2
* @arg @ref RCC_PLL_DIV3 PLL clock output = PLLVCO / 3
* @arg @ref RCC_PLL_DIV4 PLL clock output = PLLVCO / 4
*
*/
#define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__, __PLLMUL__, __PLLDIV__)\
MODIFY_REG(RCC->CFGR, (RCC_CFGR_PLLSRC|RCC_CFGR_PLLMUL|RCC_CFGR_PLLDIV),((__RCC_PLLSOURCE__) | (__PLLMUL__) | (__PLLDIV__)))
/** @brief Get oscillator clock selected as PLL input clock
* @retval The clock source used for PLL entry. The returned value can be one
* of the following:
* @arg @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL input clock
* @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL input clock
*/
#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC)))
/**
* @}
*/
/** @defgroup RCC_Get_Clock_source Get Clock source
* @{
*/
/**
* @brief Macro to configure the system clock source.
* @param __SYSCLKSOURCE__ specifies the system clock source.
* This parameter can be one of the following values:
* @arg @ref RCC_SYSCLKSOURCE_MSI MSI oscillator is used as system clock source.
* @arg @ref RCC_SYSCLKSOURCE_HSI HSI oscillator is used as system clock source.
* @arg @ref RCC_SYSCLKSOURCE_HSE HSE oscillator is used as system clock source.
* @arg @ref RCC_SYSCLKSOURCE_PLLCLK PLL output is used as system clock source.
*/
#define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__SYSCLKSOURCE__))
/** @brief Macro to get the clock source used as system clock.
* @retval The clock source used as system clock. The returned value can be one
* of the following:
* @arg @ref RCC_SYSCLKSOURCE_STATUS_MSI MSI used as system clock
* @arg @ref RCC_SYSCLKSOURCE_STATUS_HSI HSI used as system clock
* @arg @ref RCC_SYSCLKSOURCE_STATUS_HSE HSE used as system clock
* @arg @ref RCC_SYSCLKSOURCE_STATUS_PLLCLK PLL used as system clock
*/
#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR,RCC_CFGR_SWS)))
/**
* @}
*/
/** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
* @{
*/
/** @brief Macro to configure the MCO clock.
* @param __MCOCLKSOURCE__ specifies the MCO clock source.
* This parameter can be one of the following values:
* @arg @ref RCC_MCO1SOURCE_NOCLOCK No clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_SYSCLK System Clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_HSI HSI oscillator clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_MSI MSI oscillator clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_HSE HSE oscillator clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_PLLCLK PLL clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_LSI LSI clock selected as MCO clock
* @arg @ref RCC_MCO1SOURCE_LSE LSE clock selected as MCO clock
@if STM32L052xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L053xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L062xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L063xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L072xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L073xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L082xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@elseif STM32L083xx
* @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 clock selected as MCO clock
@endif
* @param __MCODIV__ specifies the MCO clock prescaler.
* This parameter can be one of the following values:
* @arg @ref RCC_MCODIV_1 MCO clock source is divided by 1
* @arg @ref RCC_MCODIV_2 MCO clock source is divided by 2
* @arg @ref RCC_MCODIV_4 MCO clock source is divided by 4
* @arg @ref RCC_MCODIV_8 MCO clock source is divided by 8
* @arg @ref RCC_MCODIV_16 MCO clock source is divided by 16
*/
#define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCOSEL | RCC_CFGR_MCO_PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
/**
* @}
*/
/** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration
* @{
*/
/** @brief Macro to configure the RTC clock (RTCCLK).
* @note As the RTC clock configuration bits are in the Backup domain and write
* access is denied to this domain after reset, you have to enable write
* access using the Power Backup Access macro before to configure
* the RTC clock source (to be done once after reset).
* @note Once the RTC clock is configured it cannot be changed unless the
* Backup domain is reset using @ref __HAL_RCC_BACKUPRESET_FORCE() macro, or by
* a Power On Reset (POR).
* @note RTC prescaler cannot be modified if HSE is enabled (HSEON = 1).
*
* @param __RTC_CLKSOURCE__ specifies the RTC clock source.
* This parameter can be one of the following values:
* @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_HSE_DIV2 HSE divided by 2 selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_HSE_DIV4 HSE divided by 4 selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_HSE_DIV8 HSE divided by 8 selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_HSE_DIV16 HSE divided by 16 selected as RTC clock
* @note If the LSE or LSI is used as RTC clock source, the RTC continues to
* work in STOP and STANDBY modes, and can be used as wakeup source.
* However, when the HSE clock is used as RTC clock source, the RTC
* cannot be used in STOP and STANDBY modes.
* @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
* RTC clock source).
*/
#define __HAL_RCC_RTC_CLKPRESCALER(__RTC_CLKSOURCE__) do { \
if(((__RTC_CLKSOURCE__) & RCC_CSR_RTCSEL_HSE) == RCC_CSR_RTCSEL_HSE) \
{ \
MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, ((__RTC_CLKSOURCE__) & RCC_CR_RTCPRE)); \
} \
} while (0)
#define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) do { \
__HAL_RCC_RTC_CLKPRESCALER(__RTC_CLKSOURCE__); \
RCC->CSR |= ((__RTC_CLKSOURCE__) & RCC_CSR_RTCSEL); \
} while (0)
/** @brief Macro to get the RTC clock source.
* @retval The clock source can be one of the following values:
* @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
* @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
*/
#define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->CSR, RCC_CSR_RTCSEL))
/**
* @brief Get the RTC and LCD HSE clock divider (RTCCLK / LCDCLK).
*
* @retval Returned value can be one of the following values:
* @arg @ref RCC_RTC_HSE_DIV_2 HSE divided by 2 selected as RTC clock
* @arg @ref RCC_RTC_HSE_DIV_4 HSE divided by 4 selected as RTC clock
* @arg @ref RCC_RTC_HSE_DIV_8 HSE divided by 8 selected as RTC clock
* @arg @ref RCC_RTC_HSE_DIV_16 HSE divided by 16 selected as RTC clock
*
*/
#define __HAL_RCC_GET_RTC_HSE_PRESCALER() ((uint32_t)(READ_BIT(RCC->CR, RCC_CR_RTCPRE)))
/** @brief Macro to enable the the RTC clock.
* @note These macros must be used only after the RTC clock source was selected.
*/
#define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_RTCEN)
/** @brief Macro to disable the the RTC clock.
* @note These macros must be used only after the RTC clock source was selected.
*/
#define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCEN)
/** @brief Macro to force the Backup domain reset.
* @note This function resets the RTC peripheral (including the backup registers)
* and the RTC clock source selection in RCC_CSR register.
* @note The BKPSRAM is not affected by this reset.
*/
#define __HAL_RCC_BACKUPRESET_FORCE() SET_BIT(RCC->CSR, RCC_CSR_RTCRST)
/** @brief Macros to release the Backup domain reset.
*/
#define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCRST)
/**
* @}
*/
/** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
* @brief macros to manage the specified RCC Flags and interrupts.
* @{
*/
/** @brief Enable RCC interrupt.
* @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
* and if the HSE clock fails, the CSS interrupt occurs and an NMI is
* automatically generated. The NMI will be executed indefinitely, and
* since NMI has higher priority than any other IRQ (and main program)
* the application will be stacked in the NMI ISR unless the CSS interrupt
* pending bit is cleared.
* @param __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
* This parameter can be any combination of the following values:
* @arg @ref RCC_IT_LSIRDY LSI ready interrupt
* @arg @ref RCC_IT_LSERDY LSE ready interrupt
* @arg @ref RCC_IT_HSIRDY HSI ready interrupt
* @arg @ref RCC_IT_HSERDY HSE ready interrupt
* @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
* @arg @ref RCC_IT_MSIRDY MSI ready interrupt
* @arg @ref RCC_IT_LSECSS LSE CSS interrupt
* @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt (not available on all devices)
*/
#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) SET_BIT(RCC->CIER, (__INTERRUPT__))
/** @brief Disable RCC interrupt.
* @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled
* and if the HSE clock fails, the CSS interrupt occurs and an NMI is
* automatically generated. The NMI will be executed indefinitely, and
* since NMI has higher priority than any other IRQ (and main program)
* the application will be stacked in the NMI ISR unless the CSS interrupt
* pending bit is cleared.
* @param __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
* This parameter can be any combination of the following values:
* @arg @ref RCC_IT_LSIRDY LSI ready interrupt
* @arg @ref RCC_IT_LSERDY LSE ready interrupt
* @arg @ref RCC_IT_HSIRDY HSI ready interrupt
* @arg @ref RCC_IT_HSERDY HSE ready interrupt
* @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
* @arg @ref RCC_IT_MSIRDY MSI ready interrupt
* @arg @ref RCC_IT_LSECSS LSE CSS interrupt
* @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt (not available on all devices)
*/
#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) CLEAR_BIT(RCC->CIER, (__INTERRUPT__))
/** @brief Clear the RCC's interrupt pending bits.
* @param __INTERRUPT__ specifies the interrupt pending bit to clear.
* This parameter can be any combination of the following values:
* @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
* @arg @ref RCC_IT_LSERDY LSE ready interrupt.
* @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
* @arg @ref RCC_IT_HSERDY HSE ready interrupt.
* @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
* @arg @ref RCC_IT_MSIRDY MSI ready interrupt
* @arg @ref RCC_IT_LSECSS LSE CSS interrupt
* @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt (not available on all devices)
* @arg @ref RCC_IT_CSS Clock Security System interrupt
*/
#define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (RCC->CICR = (__INTERRUPT__))
/** @brief Check the RCC's interrupt has occurred or not.
* @param __INTERRUPT__ specifies the RCC interrupt source to check.
* This parameter can be one of the following values:
* @arg @ref RCC_IT_LSIRDY LSI ready interrupt
* @arg @ref RCC_IT_LSERDY LSE ready interrupt
* @arg @ref RCC_IT_HSIRDY HSI ready interrupt
* @arg @ref RCC_IT_HSERDY HSE ready interrupt
* @arg @ref RCC_IT_PLLRDY PLL ready interrupt
* @arg @ref RCC_IT_MSIRDY MSI ready interrupt
* @arg @ref RCC_IT_LSECSS LSE CSS interrupt
* @arg @ref RCC_IT_CSS Clock Security System interrupt
* @retval The new state of __INTERRUPT__ (TRUE or FALSE).
*/
#define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIFR & (__INTERRUPT__)) == (__INTERRUPT__))
/** @brief Set RMVF bit to clear the reset flags.
* The reset flags are RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
* RCC_FLAG_OBLRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
*/
#define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
/** @brief Check RCC flag is set or not.
* @param __FLAG__ specifies the flag to check.
* This parameter can be one of the following values:
* @arg @ref RCC_FLAG_HSIRDY HSI oscillator clock ready
* @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready (not available on all devices)
* @arg @ref RCC_FLAG_HSIDIV HSI16 divider flag
* @arg @ref RCC_FLAG_MSIRDY MSI oscillator clock ready
* @arg @ref RCC_FLAG_HSERDY HSE oscillator clock ready
* @arg @ref RCC_FLAG_PLLRDY PLL clock ready
* @arg @ref RCC_FLAG_LSECSS LSE oscillator clock CSS detected
* @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready
* @arg @ref RCC_FLAG_FWRST Firewall reset
* @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready
* @arg @ref RCC_FLAG_OBLRST Option Byte Loader (OBL) reset
* @arg @ref RCC_FLAG_PINRST Pin reset
* @arg @ref RCC_FLAG_PORRST POR/PDR reset
* @arg @ref RCC_FLAG_SFTRST Software reset
* @arg @ref RCC_FLAG_IWDGRST Independent Watchdog reset
* @arg @ref RCC_FLAG_WWDGRST Window Watchdog reset
* @arg @ref RCC_FLAG_LPWRRST Low Power reset
* @retval The new state of __FLAG__ (TRUE or FALSE).
*/
#if defined(RCC_HSI48_SUPPORT)
#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((((__FLAG__) >> 5) == CR_REG_INDEX)? RCC->CR :((((__FLAG__) >> 5) == CSR_REG_INDEX) ? RCC->CSR :RCC->CRRCR)))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK))) != 0U ) ? 1U : 0U )
#else
#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((((__FLAG__) >> 5) == CR_REG_INDEX)? RCC->CR : RCC->CSR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK))) != 0U ) ? 1U : 0U )
#endif /* RCC_HSI48_SUPPORT */
/**
* @}
*/
/**
* @}
*/
/* Include RCC HAL Extension module */
#include "stm32l0xx_hal_rcc_ex.h"
/* Exported functions --------------------------------------------------------*/
/** @addtogroup RCC_Exported_Functions
* @{
*/
/** @addtogroup RCC_Exported_Functions_Group1
* @{
*/
/* Initialization and de-initialization functions ******************************/
HAL_StatusTypeDef HAL_RCC_DeInit(void);
HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
/**
* @}
*/
/** @addtogroup RCC_Exported_Functions_Group2
* @{
*/
/* Peripheral Control functions ************************************************/
void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
#if defined(RCC_HSECSS_SUPPORT)
void HAL_RCC_EnableCSS(void);
/* CSS NMI IRQ handler */
void HAL_RCC_NMI_IRQHandler(void);
/* User Callbacks in non blocking mode (IT mode) */
void HAL_RCC_CSSCallback(void);
#endif /* RCC_HSECSS_SUPPORT */
uint32_t HAL_RCC_GetSysClockFreq(void);
uint32_t HAL_RCC_GetHCLKFreq(void);
uint32_t HAL_RCC_GetPCLK1Freq(void);
uint32_t HAL_RCC_GetPCLK2Freq(void);
void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L0xx_HAL_RCC_H */