/** ****************************************************************************** * @file stm32f3xx_hal_rcc.h * @author MCD Application Team * @version V1.4.0 * @date 16-December-2016 * @brief Header file of RCC HAL module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2016 STMicroelectronics

* * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F3xx_HAL_RCC_H #define __STM32F3xx_HAL_RCC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f3xx_hal_def.h" /** @addtogroup STM32F3xx_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 HSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */ #define LSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */ #define PLL_TIMEOUT_VALUE (2U) * 100000 /* 2 ms (minimum Tick + 1U) */ /** * @} */ /** @defgroup RCC_Register_Offset Register offsets * @{ */ #define RCC_OFFSET (RCC_BASE - PERIPH_BASE) #define RCC_CR_OFFSET 0x00 #define RCC_CFGR_OFFSET 0x04 #define RCC_CIR_OFFSET 0x08 #define RCC_BDCR_OFFSET 0x20 #define RCC_CSR_OFFSET 0x24 /** * @} */ /** @defgroup RCC_BitAddress_AliasRegion BitAddress AliasRegion * @brief RCC registers bit address in the alias region * @{ */ #define RCC_CR_OFFSET_BB (RCC_OFFSET + RCC_CR_OFFSET) #define RCC_CFGR_OFFSET_BB (RCC_OFFSET + RCC_CFGR_OFFSET) #define RCC_CIR_OFFSET_BB (RCC_OFFSET + RCC_CIR_OFFSET) #define RCC_BDCR_OFFSET_BB (RCC_OFFSET + RCC_BDCR_OFFSET) #define RCC_CSR_OFFSET_BB (RCC_OFFSET + RCC_CSR_OFFSET) /* --- CR Register ---*/ /* Alias word address of HSION bit */ #define RCC_HSION_BIT_NUMBER POSITION_VAL(RCC_CR_HSION) #define RCC_CR_HSION_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_HSION_BIT_NUMBER * 4U))) /* Alias word address of HSEON bit */ #define RCC_HSEON_BIT_NUMBER POSITION_VAL(RCC_CR_HSEON) #define RCC_CR_HSEON_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_HSEON_BIT_NUMBER * 4U))) /* Alias word address of CSSON bit */ #define RCC_CSSON_BIT_NUMBER POSITION_VAL(RCC_CR_CSSON) #define RCC_CR_CSSON_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_CSSON_BIT_NUMBER * 4U))) /* Alias word address of PLLON bit */ #define RCC_PLLON_BIT_NUMBER POSITION_VAL(RCC_CR_PLLON) #define RCC_CR_PLLON_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_PLLON_BIT_NUMBER * 4U))) /* --- CSR Register ---*/ /* Alias word address of LSION bit */ #define RCC_LSION_BIT_NUMBER POSITION_VAL(RCC_CSR_LSION) #define RCC_CSR_LSION_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32U) + (RCC_LSION_BIT_NUMBER * 4U))) /* Alias word address of RMVF bit */ #define RCC_RMVF_BIT_NUMBER POSITION_VAL(RCC_CSR_RMVF) #define RCC_CSR_RMVF_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32U) + (RCC_RMVF_BIT_NUMBER * 4U))) /* --- BDCR Registers ---*/ /* Alias word address of LSEON bit */ #define RCC_LSEON_BIT_NUMBER POSITION_VAL(RCC_BDCR_LSEON) #define RCC_BDCR_LSEON_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_LSEON_BIT_NUMBER * 4U))) /* Alias word address of LSEON bit */ #define RCC_LSEBYP_BIT_NUMBER POSITION_VAL(RCC_BDCR_LSEBYP) #define RCC_BDCR_LSEBYP_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_LSEBYP_BIT_NUMBER * 4U))) /* Alias word address of RTCEN bit */ #define RCC_RTCEN_BIT_NUMBER POSITION_VAL(RCC_BDCR_RTCEN) #define RCC_BDCR_RTCEN_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_RTCEN_BIT_NUMBER * 4U))) /* Alias word address of BDRST bit */ #define RCC_BDRST_BIT_NUMBER POSITION_VAL(RCC_BDCR_BDRST) #define RCC_BDCR_BDRST_BB ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_BDRST_BIT_NUMBER * 4U))) /** * @} */ /* CR register byte 2 (Bits[23:16]) base address */ #define RCC_CR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + RCC_CR_OFFSET + 0x02U)) /* CIR register byte 1 (Bits[15:8]) base address */ #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x01U)) /* CIR register byte 2 (Bits[23:16]) base address */ #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x02U)) /* Defines used for Flags */ #define CR_REG_INDEX ((uint8_t)1U) #define BDCR_REG_INDEX ((uint8_t)2U) #define CSR_REG_INDEX ((uint8_t)3U) #define CFGR_REG_INDEX ((uint8_t)4U) #define RCC_FLAG_MASK ((uint8_t)0x1FU) /** * @} */ /** @addtogroup RCC_Private_Macros * @{ */ #define IS_RCC_PLLSOURCE(__SOURCE__) (((__SOURCE__) == RCC_PLLSOURCE_HSI) || \ ((__SOURCE__) == RCC_PLLSOURCE_HSE)) #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)) #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)) #define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON)) #define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1FU) #define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON)) #define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) || ((__PLL__) == RCC_PLL_OFF) || \ ((__PLL__) == RCC_PLL_ON)) #if defined(RCC_CFGR_PLLSRC_HSI_PREDIV) #define IS_RCC_PREDIV(__PREDIV__) (((__PREDIV__) == RCC_PREDIV_DIV1) || ((__PREDIV__) == RCC_PREDIV_DIV2) || \ ((__PREDIV__) == RCC_PREDIV_DIV3) || ((__PREDIV__) == RCC_PREDIV_DIV4) || \ ((__PREDIV__) == RCC_PREDIV_DIV5) || ((__PREDIV__) == RCC_PREDIV_DIV6) || \ ((__PREDIV__) == RCC_PREDIV_DIV7) || ((__PREDIV__) == RCC_PREDIV_DIV8) || \ ((__PREDIV__) == RCC_PREDIV_DIV9) || ((__PREDIV__) == RCC_PREDIV_DIV10) || \ ((__PREDIV__) == RCC_PREDIV_DIV11) || ((__PREDIV__) == RCC_PREDIV_DIV12) || \ ((__PREDIV__) == RCC_PREDIV_DIV13) || ((__PREDIV__) == RCC_PREDIV_DIV14) || \ ((__PREDIV__) == RCC_PREDIV_DIV15) || ((__PREDIV__) == RCC_PREDIV_DIV16)) #else #define IS_RCC_PLL_DIV(__DIV__) (((__DIV__) == RCC_PLL_DIV2) || \ ((__DIV__) == RCC_PLL_DIV3) || ((__DIV__) == RCC_PLL_DIV4)) #endif #if defined(RCC_CFGR_PLLSRC_HSI_DIV2) #define IS_RCC_HSE_PREDIV(DIV) (((DIV) == RCC_HSE_PREDIV_DIV1) || ((DIV) == RCC_HSE_PREDIV_DIV2) || \ ((DIV) == RCC_HSE_PREDIV_DIV3) || ((DIV) == RCC_HSE_PREDIV_DIV4) || \ ((DIV) == RCC_HSE_PREDIV_DIV5) || ((DIV) == RCC_HSE_PREDIV_DIV6) || \ ((DIV) == RCC_HSE_PREDIV_DIV7) || ((DIV) == RCC_HSE_PREDIV_DIV8) || \ ((DIV) == RCC_HSE_PREDIV_DIV9) || ((DIV) == RCC_HSE_PREDIV_DIV10) || \ ((DIV) == RCC_HSE_PREDIV_DIV11) || ((DIV) == RCC_HSE_PREDIV_DIV12) || \ ((DIV) == RCC_HSE_PREDIV_DIV13) || ((DIV) == RCC_HSE_PREDIV_DIV14) || \ ((DIV) == RCC_HSE_PREDIV_DIV15) || ((DIV) == RCC_HSE_PREDIV_DIV16)) #endif /* RCC_CFGR_PLLSRC_HSI_DIV2 */ #define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLL_MUL2) || ((__MUL__) == RCC_PLL_MUL3) || \ ((__MUL__) == RCC_PLL_MUL4) || ((__MUL__) == RCC_PLL_MUL5) || \ ((__MUL__) == RCC_PLL_MUL6) || ((__MUL__) == RCC_PLL_MUL7) || \ ((__MUL__) == RCC_PLL_MUL8) || ((__MUL__) == RCC_PLL_MUL9) || \ ((__MUL__) == RCC_PLL_MUL10) || ((__MUL__) == RCC_PLL_MUL11) || \ ((__MUL__) == RCC_PLL_MUL12) || ((__MUL__) == RCC_PLL_MUL13) || \ ((__MUL__) == RCC_PLL_MUL14) || ((__MUL__) == RCC_PLL_MUL15) || \ ((__MUL__) == RCC_PLL_MUL16)) #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_HSI) || \ ((__SOURCE__) == RCC_SYSCLKSOURCE_HSE) || \ ((__SOURCE__) == RCC_SYSCLKSOURCE_PLLCLK)) #define IS_RCC_SYSCLKSOURCE_STATUS(__SOURCE__) (((__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)) #define IS_RCC_MCO(__MCO__) ((__MCO__) == RCC_MCO) #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK) || \ ((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \ ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \ ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV32)) #if defined(RCC_CFGR3_USART2SW) #define IS_RCC_USART2CLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_USART2CLKSOURCE_PCLK1) || \ ((__SOURCE__) == RCC_USART2CLKSOURCE_SYSCLK) || \ ((__SOURCE__) == RCC_USART2CLKSOURCE_LSE) || \ ((__SOURCE__) == RCC_USART2CLKSOURCE_HSI)) #endif /* RCC_CFGR3_USART2SW */ #if defined(RCC_CFGR3_USART3SW) #define IS_RCC_USART3CLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_USART3CLKSOURCE_PCLK1) || \ ((__SOURCE__) == RCC_USART3CLKSOURCE_SYSCLK) || \ ((__SOURCE__) == RCC_USART3CLKSOURCE_LSE) || \ ((__SOURCE__) == RCC_USART3CLKSOURCE_HSI)) #endif /* RCC_CFGR3_USART3SW */ #define IS_RCC_I2C1CLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_I2C1CLKSOURCE_HSI) || \ ((__SOURCE__) == RCC_I2C1CLKSOURCE_SYSCLK)) /** * @} */ /* 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*/ #if defined(RCC_CFGR_PLLSRC_HSI_PREDIV) uint32_t PREDIV; /*!< PREDIV: Predivision factor for PLL VCO input clock This parameter must be a value of @ref RCC_PLL_Prediv_Factor */ #endif } 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 */ #if defined(RCC_CFGR_PLLSRC_HSI_DIV2) uint32_t HSEPredivValue; /*!< The HSE predivision factor value. This parameter can be a value of @ref RCC_PLL_HSE_Prediv_Factor */ #endif /* RCC_CFGR_PLLSRC_HSI_DIV2 */ 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 = 0x1FU */ uint32_t LSIState; /*!< The new state of the LSI. This parameter can be a value of @ref RCC_LSI_Config */ 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 * @{ */ #if defined(RCC_CFGR_PLLSRC_HSI_PREDIV) #define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< HSI clock selected as PLL entry clock source */ #endif /* RCC_CFGR_PLLSRC_HSI_PREDIV */ #if defined(RCC_CFGR_PLLSRC_HSI_DIV2) #define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI_DIV2 /*!< HSI clock divided by 2 selected as PLL entry clock source */ #endif /* RCC_CFGR_PLLSRC_HSI_DIV2 */ #define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< 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) /** * @} */ /** @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_BDCR_LSEON /*!< LSE clock activation */ #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_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_HSICALIBRATION_DEFAULT (0x10U) /* Default HSI calibration trimming value */ /** * @} */ /** @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_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_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_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_RTC_Clock_Source RTC Clock Source * @{ */ #define RCC_RTCCLKSOURCE_NO_CLK RCC_BDCR_RTCSEL_NOCLOCK /*!< No clock */ #define RCC_RTCCLKSOURCE_LSE RCC_BDCR_RTCSEL_LSE /*!< LSE oscillator clock used as RTC clock */ #define RCC_RTCCLKSOURCE_LSI RCC_BDCR_RTCSEL_LSI /*!< LSI oscillator clock used as RTC clock */ #define RCC_RTCCLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL_HSE /*!< HSE oscillator clock divided by 32 used as RTC clock */ /** * @} */ /** @defgroup RCC_PLL_Multiplication_Factor RCC PLL Multiplication Factor * @{ */ #define RCC_PLL_MUL2 RCC_CFGR_PLLMUL2 #define RCC_PLL_MUL3 RCC_CFGR_PLLMUL3 #define RCC_PLL_MUL4 RCC_CFGR_PLLMUL4 #define RCC_PLL_MUL5 RCC_CFGR_PLLMUL5 #define RCC_PLL_MUL6 RCC_CFGR_PLLMUL6 #define RCC_PLL_MUL7 RCC_CFGR_PLLMUL7 #define RCC_PLL_MUL8 RCC_CFGR_PLLMUL8 #define RCC_PLL_MUL9 RCC_CFGR_PLLMUL9 #define RCC_PLL_MUL10 RCC_CFGR_PLLMUL10 #define RCC_PLL_MUL11 RCC_CFGR_PLLMUL11 #define RCC_PLL_MUL12 RCC_CFGR_PLLMUL12 #define RCC_PLL_MUL13 RCC_CFGR_PLLMUL13 #define RCC_PLL_MUL14 RCC_CFGR_PLLMUL14 #define RCC_PLL_MUL15 RCC_CFGR_PLLMUL15 #define RCC_PLL_MUL16 RCC_CFGR_PLLMUL16 /** * @} */ #if defined(RCC_CFGR_PLLSRC_HSI_PREDIV) /** @defgroup RCC_PLL_Prediv_Factor RCC PLL Prediv Factor * @{ */ #define RCC_PREDIV_DIV1 RCC_CFGR2_PREDIV_DIV1 #define RCC_PREDIV_DIV2 RCC_CFGR2_PREDIV_DIV2 #define RCC_PREDIV_DIV3 RCC_CFGR2_PREDIV_DIV3 #define RCC_PREDIV_DIV4 RCC_CFGR2_PREDIV_DIV4 #define RCC_PREDIV_DIV5 RCC_CFGR2_PREDIV_DIV5 #define RCC_PREDIV_DIV6 RCC_CFGR2_PREDIV_DIV6 #define RCC_PREDIV_DIV7 RCC_CFGR2_PREDIV_DIV7 #define RCC_PREDIV_DIV8 RCC_CFGR2_PREDIV_DIV8 #define RCC_PREDIV_DIV9 RCC_CFGR2_PREDIV_DIV9 #define RCC_PREDIV_DIV10 RCC_CFGR2_PREDIV_DIV10 #define RCC_PREDIV_DIV11 RCC_CFGR2_PREDIV_DIV11 #define RCC_PREDIV_DIV12 RCC_CFGR2_PREDIV_DIV12 #define RCC_PREDIV_DIV13 RCC_CFGR2_PREDIV_DIV13 #define RCC_PREDIV_DIV14 RCC_CFGR2_PREDIV_DIV14 #define RCC_PREDIV_DIV15 RCC_CFGR2_PREDIV_DIV15 #define RCC_PREDIV_DIV16 RCC_CFGR2_PREDIV_DIV16 /** * @} */ #endif #if defined(RCC_CFGR_PLLSRC_HSI_DIV2) /** @defgroup RCC_PLL_HSE_Prediv_Factor RCC PLL HSE Prediv Factor * @{ */ #define RCC_HSE_PREDIV_DIV1 RCC_CFGR2_PREDIV_DIV1 #define RCC_HSE_PREDIV_DIV2 RCC_CFGR2_PREDIV_DIV2 #define RCC_HSE_PREDIV_DIV3 RCC_CFGR2_PREDIV_DIV3 #define RCC_HSE_PREDIV_DIV4 RCC_CFGR2_PREDIV_DIV4 #define RCC_HSE_PREDIV_DIV5 RCC_CFGR2_PREDIV_DIV5 #define RCC_HSE_PREDIV_DIV6 RCC_CFGR2_PREDIV_DIV6 #define RCC_HSE_PREDIV_DIV7 RCC_CFGR2_PREDIV_DIV7 #define RCC_HSE_PREDIV_DIV8 RCC_CFGR2_PREDIV_DIV8 #define RCC_HSE_PREDIV_DIV9 RCC_CFGR2_PREDIV_DIV9 #define RCC_HSE_PREDIV_DIV10 RCC_CFGR2_PREDIV_DIV10 #define RCC_HSE_PREDIV_DIV11 RCC_CFGR2_PREDIV_DIV11 #define RCC_HSE_PREDIV_DIV12 RCC_CFGR2_PREDIV_DIV12 #define RCC_HSE_PREDIV_DIV13 RCC_CFGR2_PREDIV_DIV13 #define RCC_HSE_PREDIV_DIV14 RCC_CFGR2_PREDIV_DIV14 #define RCC_HSE_PREDIV_DIV15 RCC_CFGR2_PREDIV_DIV15 #define RCC_HSE_PREDIV_DIV16 RCC_CFGR2_PREDIV_DIV16 /** * @} */ #endif /* RCC_CFGR_PLLSRC_HSI_DIV2 */ #if defined(RCC_CFGR3_USART2SW) /** @defgroup RCC_USART2_Clock_Source RCC USART2 Clock Source * @{ */ #define RCC_USART2CLKSOURCE_PCLK1 RCC_CFGR3_USART2SW_PCLK #define RCC_USART2CLKSOURCE_SYSCLK RCC_CFGR3_USART2SW_SYSCLK #define RCC_USART2CLKSOURCE_LSE RCC_CFGR3_USART2SW_LSE #define RCC_USART2CLKSOURCE_HSI RCC_CFGR3_USART2SW_HSI /** * @} */ #endif /* RCC_CFGR3_USART2SW */ #if defined(RCC_CFGR3_USART3SW) /** @defgroup RCC_USART3_Clock_Source RCC USART3 Clock Source * @{ */ #define RCC_USART3CLKSOURCE_PCLK1 RCC_CFGR3_USART3SW_PCLK #define RCC_USART3CLKSOURCE_SYSCLK RCC_CFGR3_USART3SW_SYSCLK #define RCC_USART3CLKSOURCE_LSE RCC_CFGR3_USART3SW_LSE #define RCC_USART3CLKSOURCE_HSI RCC_CFGR3_USART3SW_HSI /** * @} */ #endif /* RCC_CFGR3_USART3SW */ /** @defgroup RCC_I2C1_Clock_Source RCC I2C1 Clock Source * @{ */ #define RCC_I2C1CLKSOURCE_HSI RCC_CFGR3_I2C1SW_HSI #define RCC_I2C1CLKSOURCE_SYSCLK RCC_CFGR3_I2C1SW_SYSCLK /** * @} */ /** @defgroup RCC_MCO_Index MCO Index * @{ */ #define RCC_MCO1 (0x00000000U) #define RCC_MCO RCC_MCO1 /*!< MCO1 to be compliant with other families with 2 MCOs*/ /** * @} */ /** @defgroup RCC_Interrupt Interrupts * @{ */ #define RCC_IT_LSIRDY ((uint8_t)RCC_CIR_LSIRDYF) /*!< LSI Ready Interrupt flag */ #define RCC_IT_LSERDY ((uint8_t)RCC_CIR_LSERDYF) /*!< LSE Ready Interrupt flag */ #define RCC_IT_HSIRDY ((uint8_t)RCC_CIR_HSIRDYF) /*!< HSI Ready Interrupt flag */ #define RCC_IT_HSERDY ((uint8_t)RCC_CIR_HSERDYF) /*!< HSE Ready Interrupt flag */ #define RCC_IT_PLLRDY ((uint8_t)RCC_CIR_PLLRDYF) /*!< PLL Ready Interrupt flag */ #define RCC_IT_CSS ((uint8_t)RCC_CIR_CSSF) /*!< Clock Security System Interrupt flag */ /** * @} */ /** @defgroup RCC_Flag Flags * Elements values convention: XXXYYYYYb * - YYYYY : Flag position in the register * - XXX : Register index * - 001: CR register * - 010: BDCR register * - 011: CSR register * - 100: CFGR register * @{ */ /* Flags in the CR register */ #define RCC_FLAG_HSIRDY ((uint8_t)((CR_REG_INDEX << 5U) | POSITION_VAL(RCC_CR_HSIRDY))) /*!< Internal High Speed clock ready flag */ #define RCC_FLAG_HSERDY ((uint8_t)((CR_REG_INDEX << 5U) | POSITION_VAL(RCC_CR_HSERDY))) /*!< External High Speed clock ready flag */ #define RCC_FLAG_PLLRDY ((uint8_t)((CR_REG_INDEX << 5U) | POSITION_VAL(RCC_CR_PLLRDY))) /*!< PLL clock ready flag */ /* Flags in the CSR register */ #define RCC_FLAG_LSIRDY ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_LSIRDY))) /*!< Internal Low Speed oscillator Ready */ #if defined(RCC_CSR_V18PWRRSTF) #define RCC_FLAG_V18PWRRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_V18PWRRSTF))) #endif #define RCC_FLAG_OBLRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_OBLRSTF))) /*!< Options bytes loading reset flag */ #define RCC_FLAG_PINRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_PINRSTF))) /*!< PIN reset flag */ #define RCC_FLAG_PORRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_PORRSTF))) /*!< POR/PDR reset flag */ #define RCC_FLAG_SFTRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_SFTRSTF))) /*!< Software Reset flag */ #define RCC_FLAG_IWDGRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_IWDGRSTF))) /*!< Independent Watchdog reset flag */ #define RCC_FLAG_WWDGRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_WWDGRSTF))) /*!< Window watchdog reset flag */ #define RCC_FLAG_LPWRRST ((uint8_t)((CSR_REG_INDEX << 5U) | POSITION_VAL(RCC_CSR_LPWRRSTF))) /*!< Low-Power reset flag */ /* Flags in the BDCR register */ #define RCC_FLAG_LSERDY ((uint8_t)((BDCR_REG_INDEX << 5U) | POSITION_VAL(RCC_BDCR_LSERDY))) /*!< External Low Speed oscillator Ready */ /* Flags in the CFGR register */ #if defined(RCC_CFGR_MCOF) #define RCC_FLAG_MCO ((uint8_t)((CFGR_REG_INDEX << 5U) | POSITION_VAL(RCC_CFGR_MCOF))) /*!< Microcontroller Clock Output Flag */ #endif /* RCC_CFGR_MCOF */ /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup RCC_Exported_Macros RCC Exported Macros * @{ */ /** @defgroup RCC_AHB_Clock_Enable_Disable RCC AHB 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_GPIOA_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_GPIOB_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_GPIOC_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_GPIOD_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIODEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIODEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_GPIOF_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\ UNUSED(tmpreg); \ } while(0U) #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(0U) #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(0U) #define __HAL_RCC_SRAM_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_FLITF_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TSC_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHBENR, RCC_AHBENR_TSCEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_TSCEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_GPIOA_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOAEN)) #define __HAL_RCC_GPIOB_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOBEN)) #define __HAL_RCC_GPIOC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOCEN)) #define __HAL_RCC_GPIOD_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIODEN)) #define __HAL_RCC_GPIOF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOFEN)) #define __HAL_RCC_CRC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN)) #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN)) #define __HAL_RCC_SRAM_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_SRAMEN)) #define __HAL_RCC_FLITF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN)) #define __HAL_RCC_TSC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_TSCEN)) /** * @} */ /** @defgroup RCC_APB1_Clock_Enable_Disable RCC APB1 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_TIM2_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TIM6_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM6EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM6EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_WWDG_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_USART2_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_USART3_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART3EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART3EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_I2C1_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_PWR_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_DAC1_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB1ENR, RCC_APB1ENR_DAC1EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_DAC1EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TIM2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM2EN)) #define __HAL_RCC_TIM6_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM6EN)) #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN)) #define __HAL_RCC_USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN)) #define __HAL_RCC_USART3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART3EN)) #define __HAL_RCC_I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN)) #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN)) #define __HAL_RCC_DAC1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_DAC1EN)) /** * @} */ /** @defgroup RCC_APB2_Clock_Enable_Disable RCC APB2 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() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TIM15_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM15EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM15EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TIM16_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_TIM17_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_USART1_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\ UNUSED(tmpreg); \ } while(0U) #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN)) #define __HAL_RCC_TIM15_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM15EN)) #define __HAL_RCC_TIM16_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM16EN)) #define __HAL_RCC_TIM17_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM17EN)) #define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN)) /** * @} */ /** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enable Disable Status * @brief Get the enable or disable status of 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_GPIOA_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) != RESET) #define __HAL_RCC_GPIOB_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) != RESET) #define __HAL_RCC_GPIOC_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) != RESET) #define __HAL_RCC_GPIOD_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIODEN)) != RESET) #define __HAL_RCC_GPIOF_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) != RESET) #define __HAL_RCC_CRC_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) != RESET) #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) != RESET) #define __HAL_RCC_SRAM_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) != RESET) #define __HAL_RCC_FLITF_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) != RESET) #define __HAL_RCC_TSC_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_TSCEN)) != RESET) #define __HAL_RCC_GPIOA_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) == RESET) #define __HAL_RCC_GPIOB_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) == RESET) #define __HAL_RCC_GPIOC_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) == RESET) #define __HAL_RCC_GPIOD_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIODEN)) == RESET) #define __HAL_RCC_GPIOF_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) == RESET) #define __HAL_RCC_CRC_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) == RESET) #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) == RESET) #define __HAL_RCC_SRAM_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) == RESET) #define __HAL_RCC_FLITF_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) == RESET) #define __HAL_RCC_TSC_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_TSCEN)) == RESET) /** * @} */ /** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status * @brief Get the enable or disable status of the 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_TIM2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) != RESET) #define __HAL_RCC_TIM6_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM6EN)) != RESET) #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET) #define __HAL_RCC_USART2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET) #define __HAL_RCC_USART3_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART3EN)) != RESET) #define __HAL_RCC_I2C1_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET) #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET) #define __HAL_RCC_DAC1_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_DAC1EN)) != RESET) #define __HAL_RCC_TIM2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) == RESET) #define __HAL_RCC_TIM6_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM6EN)) == RESET) #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET) #define __HAL_RCC_USART2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET) #define __HAL_RCC_USART3_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART3EN)) == RESET) #define __HAL_RCC_I2C1_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET) #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET) #define __HAL_RCC_DAC1_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_DAC1EN)) == RESET) /** * @} */ /** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status * @brief EGet the enable or disable status of the 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_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET) #define __HAL_RCC_TIM15_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM15EN)) != RESET) #define __HAL_RCC_TIM16_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN)) != RESET) #define __HAL_RCC_TIM17_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN)) != RESET) #define __HAL_RCC_USART1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET) #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET) #define __HAL_RCC_TIM15_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM15EN)) == RESET) #define __HAL_RCC_TIM16_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN)) == RESET) #define __HAL_RCC_TIM17_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN)) == RESET) #define __HAL_RCC_USART1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET) /** * @} */ /** @defgroup RCC_AHB_Force_Release_Reset RCC AHB Force Release Reset * @brief Force or release AHB peripheral reset. * @{ */ #define __HAL_RCC_AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFFU) #define __HAL_RCC_GPIOA_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOARST)) #define __HAL_RCC_GPIOB_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOBRST)) #define __HAL_RCC_GPIOC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOCRST)) #define __HAL_RCC_GPIOD_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIODRST)) #define __HAL_RCC_GPIOF_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOFRST)) #define __HAL_RCC_TSC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_TSCRST)) #define __HAL_RCC_AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00000000U) #define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOARST)) #define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOBRST)) #define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOCRST)) #define __HAL_RCC_GPIOD_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIODRST)) #define __HAL_RCC_GPIOF_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOFRST)) #define __HAL_RCC_TSC_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_TSCRST)) /** * @} */ /** @defgroup RCC_APB1_Force_Release_Reset RCC APB1 Force Release Reset * @brief Force or release APB1 peripheral reset. * @{ */ #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU) #define __HAL_RCC_TIM2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM2RST)) #define __HAL_RCC_TIM6_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM6RST)) #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST)) #define __HAL_RCC_USART2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST)) #define __HAL_RCC_USART3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_USART3RST)) #define __HAL_RCC_I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST)) #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST)) #define __HAL_RCC_DAC1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_DAC1RST)) #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00000000U) #define __HAL_RCC_TIM2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM2RST)) #define __HAL_RCC_TIM6_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM6RST)) #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST)) #define __HAL_RCC_USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST)) #define __HAL_RCC_USART3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART3RST)) #define __HAL_RCC_I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST)) #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST)) #define __HAL_RCC_DAC1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_DAC1RST)) /** * @} */ /** @defgroup RCC_APB2_Force_Release_Reset RCC APB2 Force Release Reset * @brief Force or release APB2 peripheral reset. * @{ */ #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU) #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST)) #define __HAL_RCC_TIM15_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM15RST)) #define __HAL_RCC_TIM16_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM16RST)) #define __HAL_RCC_TIM17_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM17RST)) #define __HAL_RCC_USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST)) #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00000000U) #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST)) #define __HAL_RCC_TIM15_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM15RST)) #define __HAL_RCC_TIM16_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM16RST)) #define __HAL_RCC_TIM17_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM17RST)) #define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST)) /** * @} */ /** @defgroup RCC_HSI_Configuration HSI Configuration * @{ */ /** @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() (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE) #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE) /** @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->CR, RCC_CR_HSITRIM, (uint32_t)(_HSICALIBRATIONVALUE_) << POSITION_VAL(RCC_CR_HSITRIM))) /** * @} */ /** @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() (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE) /** @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() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE) /** * @} */ /** @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{ \ if ((__STATE__) == RCC_HSE_ON) \ { \ SET_BIT(RCC->CR, RCC_CR_HSEON); \ } \ else if ((__STATE__) == RCC_HSE_OFF) \ { \ CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \ CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \ } \ 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); \ CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \ } \ }while(0U) /** * @} */ /** @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->BDCR, RCC_BDCR_LSEON); \ } \ else if ((__STATE__) == RCC_LSE_OFF) \ { \ CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \ CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \ } \ else if ((__STATE__) == RCC_LSE_BYPASS) \ { \ SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \ SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \ } \ else \ { \ CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \ CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \ } \ }while(0U) /** * @} */ /** @defgroup RCC_USARTx_Clock_Config RCC USARTx Clock Config * @{ */ /** @brief Macro to configure the USART1 clock (USART1CLK). * @param __USART1CLKSOURCE__ specifies the USART1 clock source. * This parameter can be one of the following values: @if STM32F302xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F303xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F358xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F302xE * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F303xE * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F398xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F373xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F378xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F301x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F302x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F318xx * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F303x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F334x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F328xx * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif * @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock * @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock * @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock */ #define __HAL_RCC_USART1_CONFIG(__USART1CLKSOURCE__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART1SW, (uint32_t)(__USART1CLKSOURCE__)) /** @brief Macro to get the USART1 clock source. * @retval The clock source can be one of the following values: @if STM32F302xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F303xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F358xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F302xE * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F303xE * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F398xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F373xC * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F378xx * @arg @ref RCC_USART1CLKSOURCE_PCLK2 PCLK2 selected as USART1 clock @endif @if STM32F301x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F302x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F318xx * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F303x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F334x8 * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif @if STM32F328xx * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock @endif * @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock * @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock * @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock */ #define __HAL_RCC_GET_USART1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART1SW))) #if defined(RCC_CFGR3_USART2SW) /** @brief Macro to configure the USART2 clock (USART2CLK). * @param __USART2CLKSOURCE__ specifies the USART2 clock source. * This parameter can be one of the following values: * @arg @ref RCC_USART2CLKSOURCE_PCLK1 PCLK1 selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_HSI HSI selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_SYSCLK System Clock selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_LSE LSE selected as USART2 clock */ #define __HAL_RCC_USART2_CONFIG(__USART2CLKSOURCE__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART2SW, (uint32_t)(__USART2CLKSOURCE__)) /** @brief Macro to get the USART2 clock source. * @retval The clock source can be one of the following values: * @arg @ref RCC_USART2CLKSOURCE_PCLK1 PCLK1 selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_HSI HSI selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_SYSCLK System Clock selected as USART2 clock * @arg @ref RCC_USART2CLKSOURCE_LSE LSE selected as USART2 clock */ #define __HAL_RCC_GET_USART2_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART2SW))) #endif /* RCC_CFGR3_USART2SW */ #if defined(RCC_CFGR3_USART3SW) /** @brief Macro to configure the USART3 clock (USART3CLK). * @param __USART3CLKSOURCE__ specifies the USART3 clock source. * This parameter can be one of the following values: * @arg @ref RCC_USART3CLKSOURCE_PCLK1 PCLK1 selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_HSI HSI selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_SYSCLK System Clock selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_LSE LSE selected as USART3 clock */ #define __HAL_RCC_USART3_CONFIG(__USART3CLKSOURCE__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART3SW, (uint32_t)(__USART3CLKSOURCE__)) /** @brief Macro to get the USART3 clock source. * @retval The clock source can be one of the following values: * @arg @ref RCC_USART3CLKSOURCE_PCLK1 PCLK1 selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_HSI HSI selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_SYSCLK System Clock selected as USART3 clock * @arg @ref RCC_USART3CLKSOURCE_LSE LSE selected as USART3 clock */ #define __HAL_RCC_GET_USART3_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART3SW))) #endif /* RCC_CFGR3_USART2SW */ /** * @} */ /** @defgroup RCC_I2Cx_Clock_Config RCC I2Cx Clock Config * @{ */ /** @brief Macro to configure the I2C1 clock (I2C1CLK). * @param __I2C1CLKSOURCE__ specifies the I2C1 clock source. * This parameter can be one of the following values: * @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock * @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock */ #define __HAL_RCC_I2C1_CONFIG(__I2C1CLKSOURCE__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSOURCE__)) /** @brief Macro to get the I2C1 clock source. * @retval The clock source can be one of the following values: * @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock * @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock */ #define __HAL_RCC_GET_I2C1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW))) /** * @} */ /** @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() (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE) /** @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() (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE) /** @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_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_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 * @{ */ #if defined(RCC_CFGR_MCOPRE) /** @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_HSE HSE selected as MCO clock * @arg @ref RCC_MCO1SOURCE_LSI LSI selected as MCO clock * @arg @ref RCC_MCO1SOURCE_LSE LSE selected as MCO clock * @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2 PLLCLK Divided by 2 selected as MCO clock * @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 * @arg @ref RCC_MCODIV_32 MCO clock source is divided by 32 * @arg @ref RCC_MCODIV_64 MCO clock source is divided by 64 * @arg @ref RCC_MCODIV_128 MCO clock source is divided by 128 */ #else /** @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 selected as MCO clock * @arg @ref RCC_MCO1SOURCE_HSE HSE selected as MCO clock * @arg @ref RCC_MCO1SOURCE_LSI LSI selected as MCO clock * @arg @ref RCC_MCO1SOURCE_LSE LSE selected as MCO clock * @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2 PLLCLK Divided by 2 selected as MCO clock * @param __MCODIV__ specifies the MCO clock prescaler. * This parameter can be one of the following values: * @arg @ref RCC_MCODIV_1 No division applied on MCO clock source */ #endif #if defined(RCC_CFGR_MCOPRE) #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \ MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO | RCC_CFGR_MCOPRE), ((__MCOCLKSOURCE__) | (__MCODIV__))) #else #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \ MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO, (__MCOCLKSOURCE__)) #endif /** * @} */ /** @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). * * @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_DIV32 HSE clock divided by 32 * @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 LSI clock and HSE clock divided by 32 is used as RTC clock source, * the RTC cannot be used in STOP and STANDBY modes. * @note The system must always be configured so as to get a PCLK frequency greater than or * equal to the RTCCLK frequency for a proper operation of the RTC. */ #define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, (__RTC_CLKSOURCE__)) /** @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_DIV32 HSE clock divided by 32 */ #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL)) /** @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() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = ENABLE) /** @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() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = DISABLE) /** @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_BDCR register. */ #define __HAL_RCC_BACKUPRESET_FORCE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = ENABLE) /** @brief Macros to release the Backup domain reset. */ #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = DISABLE) /** * @} */ /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management * @brief macros to manage the specified RCC Flags and interrupts. * @{ */ /** @brief Enable RCC interrupt. * @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 */ #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__)) /** @brief Disable RCC interrupt. * @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 */ #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__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_CSS Clock Security System interrupt */ #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__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 Main PLL ready 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->CIR & (__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() (*(__IO uint32_t *)RCC_CSR_RMVF_BB = ENABLE) /** @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_HSERDY HSE oscillator clock ready. * @arg @ref RCC_FLAG_PLLRDY Main PLL clock ready. * @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready. * @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready. * @arg @ref RCC_FLAG_OBLRST Option Byte Load 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. @if defined(STM32F301x8) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F302x8) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F302xC) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain * @arg @ref RCC_FLAG_MCO Microcontroller Clock Output @endif @if defined(STM32F302xE) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F303x8) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F303xC) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain * @arg @ref RCC_FLAG_MCO Microcontroller Clock Output @endif @if defined(STM32F303xE) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F334x8) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif @if defined(STM32F358xx) * @arg @ref RCC_FLAG_MCO Microcontroller Clock Output @endif @if defined(STM32F373xC) * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain @endif * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5U) == CR_REG_INDEX) ? RCC->CR : \ (((__FLAG__) >> 5U) == BDCR_REG_INDEX)? RCC->BDCR : \ (((__FLAG__) >> 5U) == CFGR_REG_INDEX)? RCC->CFGR : \ RCC->CSR) & (1U << ((__FLAG__) & RCC_FLAG_MASK))) /** * @} */ /** * @} */ /* Include RCC HAL Extension module */ #include "stm32f3xx_hal_rcc_ex.h" /* Exported functions --------------------------------------------------------*/ /** @addtogroup RCC_Exported_Functions * @{ */ /** @addtogroup RCC_Exported_Functions_Group1 * @{ */ /* Initialization and de-initialization functions ******************************/ void 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); 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); void HAL_RCC_DisableCSS(void); 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 /* __STM32F3xx_HAL_RCC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/