/** ****************************************************************************** * @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 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 __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 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/