/** ****************************************************************************** * @file stm32f7xx_hal_rcc.h * @author MCD Application Team * @brief Header file of RCC HAL module. ****************************************************************************** * @attention * *

© Copyright (c) 2017 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 __STM32F7xx_HAL_RCC_H #define __STM32F7xx_HAL_RCC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f7xx_hal_def.h" /* Include RCC HAL Extended module */ /* (include on top of file since RCC structures are defined in extended file) */ #include "stm32f7xx_hal_rcc_ex.h" /** @addtogroup STM32F7xx_HAL_Driver * @{ */ /** @addtogroup RCC * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup RCC_Exported_Types RCC Exported Types * @{ */ /** * @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 */ 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_Oscillator_Type Oscillator Type * @{ */ #define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000U) #define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001U) #define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002U) #define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004U) #define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008U) /** * @} */ /** @defgroup RCC_HSE_Config RCC HSE Config * @{ */ #define RCC_HSE_OFF ((uint32_t)0x00000000U) #define RCC_HSE_ON RCC_CR_HSEON #define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON)) /** * @} */ /** @defgroup RCC_LSE_Config RCC LSE Config * @{ */ #define RCC_LSE_OFF ((uint32_t)0x00000000U) #define RCC_LSE_ON RCC_BDCR_LSEON #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON)) /** * @} */ /** @defgroup RCC_HSI_Config RCC HSI Config * @{ */ #define RCC_HSI_OFF ((uint32_t)0x00000000U) #define RCC_HSI_ON RCC_CR_HSION #define RCC_HSICALIBRATION_DEFAULT ((uint32_t)0x10U) /* Default HSI calibration trimming value */ /** * @} */ /** @defgroup RCC_LSI_Config RCC LSI Config * @{ */ #define RCC_LSI_OFF ((uint32_t)0x00000000U) #define RCC_LSI_ON RCC_CSR_LSION /** * @} */ /** @defgroup RCC_PLL_Config RCC PLL Config * @{ */ #define RCC_PLL_NONE ((uint32_t)0x00000000U) #define RCC_PLL_OFF ((uint32_t)0x00000001U) #define RCC_PLL_ON ((uint32_t)0x00000002U) /** * @} */ /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider * @{ */ #define RCC_PLLP_DIV2 ((uint32_t)0x00000002U) #define RCC_PLLP_DIV4 ((uint32_t)0x00000004U) #define RCC_PLLP_DIV6 ((uint32_t)0x00000006U) #define RCC_PLLP_DIV8 ((uint32_t)0x00000008U) /** * @} */ /** @defgroup RCC_PLL_Clock_Source PLL Clock Source * @{ */ #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE /** * @} */ /** @defgroup RCC_System_Clock_Type RCC System Clock Type * @{ */ #define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001U) #define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002U) #define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004U) #define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008U) /** * @} */ /** @defgroup RCC_System_Clock_Source RCC System Clock Source * @{ */ #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL /** * @} */ /** @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 RCC AHB Clock Source * @{ */ #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1 #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2 #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4 #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8 #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16 #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64 #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128 #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256 #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512 /** * @} */ /** @defgroup RCC_APB1_APB2_Clock_Source RCC APB1/APB2 Clock Source * @{ */ #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1 #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2 #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4 #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8 #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16 /** * @} */ /** @defgroup RCC_RTC_Clock_Source RCC RTC Clock Source * @{ */ #define RCC_RTCCLKSOURCE_NO_CLK ((uint32_t)0x00000000U) #define RCC_RTCCLKSOURCE_LSE ((uint32_t)0x00000100U) #define RCC_RTCCLKSOURCE_LSI ((uint32_t)0x00000200U) #define RCC_RTCCLKSOURCE_HSE_DIVX ((uint32_t)0x00000300U) #define RCC_RTCCLKSOURCE_HSE_DIV2 ((uint32_t)0x00020300U) #define RCC_RTCCLKSOURCE_HSE_DIV3 ((uint32_t)0x00030300U) #define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)0x00040300U) #define RCC_RTCCLKSOURCE_HSE_DIV5 ((uint32_t)0x00050300U) #define RCC_RTCCLKSOURCE_HSE_DIV6 ((uint32_t)0x00060300U) #define RCC_RTCCLKSOURCE_HSE_DIV7 ((uint32_t)0x00070300U) #define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)0x00080300U) #define RCC_RTCCLKSOURCE_HSE_DIV9 ((uint32_t)0x00090300U) #define RCC_RTCCLKSOURCE_HSE_DIV10 ((uint32_t)0x000A0300U) #define RCC_RTCCLKSOURCE_HSE_DIV11 ((uint32_t)0x000B0300U) #define RCC_RTCCLKSOURCE_HSE_DIV12 ((uint32_t)0x000C0300U) #define RCC_RTCCLKSOURCE_HSE_DIV13 ((uint32_t)0x000D0300U) #define RCC_RTCCLKSOURCE_HSE_DIV14 ((uint32_t)0x000E0300U) #define RCC_RTCCLKSOURCE_HSE_DIV15 ((uint32_t)0x000F0300U) #define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)0x00100300U) #define RCC_RTCCLKSOURCE_HSE_DIV17 ((uint32_t)0x00110300U) #define RCC_RTCCLKSOURCE_HSE_DIV18 ((uint32_t)0x00120300U) #define RCC_RTCCLKSOURCE_HSE_DIV19 ((uint32_t)0x00130300U) #define RCC_RTCCLKSOURCE_HSE_DIV20 ((uint32_t)0x00140300U) #define RCC_RTCCLKSOURCE_HSE_DIV21 ((uint32_t)0x00150300U) #define RCC_RTCCLKSOURCE_HSE_DIV22 ((uint32_t)0x00160300U) #define RCC_RTCCLKSOURCE_HSE_DIV23 ((uint32_t)0x00170300U) #define RCC_RTCCLKSOURCE_HSE_DIV24 ((uint32_t)0x00180300U) #define RCC_RTCCLKSOURCE_HSE_DIV25 ((uint32_t)0x00190300U) #define RCC_RTCCLKSOURCE_HSE_DIV26 ((uint32_t)0x001A0300U) #define RCC_RTCCLKSOURCE_HSE_DIV27 ((uint32_t)0x001B0300U) #define RCC_RTCCLKSOURCE_HSE_DIV28 ((uint32_t)0x001C0300U) #define RCC_RTCCLKSOURCE_HSE_DIV29 ((uint32_t)0x001D0300U) #define RCC_RTCCLKSOURCE_HSE_DIV30 ((uint32_t)0x001E0300U) #define RCC_RTCCLKSOURCE_HSE_DIV31 ((uint32_t)0x001F0300U) /** * @} */ /** @defgroup RCC_MCO_Index RCC MCO Index * @{ */ #define RCC_MCO1 ((uint32_t)0x00000000U) #define RCC_MCO2 ((uint32_t)0x00000001U) /** * @} */ /** @defgroup RCC_MCO1_Clock_Source RCC MCO1 Clock Source * @{ */ #define RCC_MCO1SOURCE_HSI ((uint32_t)0x00000000U) #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0 #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1 #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1 /** * @} */ /** @defgroup RCC_MCO2_Clock_Source RCC MCO2 Clock Source * @{ */ #define RCC_MCO2SOURCE_SYSCLK ((uint32_t)0x00000000U) #define RCC_MCO2SOURCE_PLLI2SCLK RCC_CFGR_MCO2_0 #define RCC_MCO2SOURCE_HSE RCC_CFGR_MCO2_1 #define RCC_MCO2SOURCE_PLLCLK RCC_CFGR_MCO2 /** * @} */ /** @defgroup RCC_MCOx_Clock_Prescaler RCC MCO1 Clock Prescaler * @{ */ #define RCC_MCODIV_1 ((uint32_t)0x00000000U) #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2 #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2) #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2) #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE /** * @} */ /** @defgroup RCC_Interrupt RCC Interrupt * @{ */ #define RCC_IT_LSIRDY ((uint8_t)0x01U) #define RCC_IT_LSERDY ((uint8_t)0x02U) #define RCC_IT_HSIRDY ((uint8_t)0x04U) #define RCC_IT_HSERDY ((uint8_t)0x08U) #define RCC_IT_PLLRDY ((uint8_t)0x10U) #define RCC_IT_PLLI2SRDY ((uint8_t)0x20U) #define RCC_IT_PLLSAIRDY ((uint8_t)0x40U) #define RCC_IT_CSS ((uint8_t)0x80U) /** * @} */ /** @defgroup RCC_Flag RCC Flags * Elements values convention: 0XXYYYYYb * - YYYYY : Flag position in the register * - 0XX : Register index * - 01: CR register * - 10: BDCR register * - 11: CSR register * @{ */ /* Flags in the CR register */ #define RCC_FLAG_HSIRDY ((uint8_t)0x21U) #define RCC_FLAG_HSERDY ((uint8_t)0x31U) #define RCC_FLAG_PLLRDY ((uint8_t)0x39U) #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3BU) #define RCC_FLAG_PLLSAIRDY ((uint8_t)0x3CU) /* Flags in the BDCR register */ #define RCC_FLAG_LSERDY ((uint8_t)0x41U) /* Flags in the CSR register */ #define RCC_FLAG_LSIRDY ((uint8_t)0x61U) #define RCC_FLAG_BORRST ((uint8_t)0x79U) #define RCC_FLAG_PINRST ((uint8_t)0x7AU) #define RCC_FLAG_PORRST ((uint8_t)0x7BU) #define RCC_FLAG_SFTRST ((uint8_t)0x7CU) #define RCC_FLAG_IWDGRST ((uint8_t)0x7DU) #define RCC_FLAG_WWDGRST ((uint8_t)0x7EU) #define RCC_FLAG_LPWRRST ((uint8_t)0x7FU) /** * @} */ /** @defgroup RCC_LSEDrive_Configuration RCC LSE Drive configurations * @{ */ #define RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U) #define RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_1 #define RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_0 #define RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup RCC_Exported_Macros RCC Exported Macros * @{ */ /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable * @brief Enable or disable the AHB1 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_CRC_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\ UNUSED(tmpreg); \ } while(0) #define __HAL_RCC_DMA1_CLK_ENABLE() do { \ __IO uint32_t tmpreg; \ SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\ /* Delay after an RCC peripheral clock enabling */ \ tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\ UNUSED(tmpreg); \ } while(0) #define __HAL_RCC_CRC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CRCEN)) #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN)) /** * @} */ /** @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() 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(0) #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(0) #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN)) #define __HAL_RCC_PWR_CLK_DISABLE() (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() 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(0) #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN)) /** * @} */ /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status * @brief Get the enable or disable status of the AHB1 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_CRC_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) != RESET) #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) != RESET) #define __HAL_RCC_CRC_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) == RESET) #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) == 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_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET) #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET) #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET) #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == 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_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET) /** * @} */ /** @defgroup RCC_Peripheral_Clock_Force_Release RCC Peripheral Clock Force Release * @brief Force or release AHB peripheral reset. * @{ */ #define __HAL_RCC_AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFFU) #define __HAL_RCC_CRC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_CRCRST)) #define __HAL_RCC_DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST)) #define __HAL_RCC_AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00U) #define __HAL_RCC_CRC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_CRCRST)) #define __HAL_RCC_DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST)) /** * @} */ /** @defgroup RCC_APB1_Force_Release_Reset APB1 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() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST)) #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST)) #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U) #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST)) #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST)) /** * @} */ /** @defgroup RCC_APB2_Force_Release_Reset 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_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U) #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST)) /** * @} */ /** @defgroup RCC_Peripheral_Clock_Sleep_Enable_Disable RCC Peripheral Clock Sleep Enable Disable * @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_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_CRCLPEN)) #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN)) #define __HAL_RCC_CRC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_CRCLPEN)) #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN)) /** @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 clocks are enabled during SLEEP mode. */ #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN)) #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN)) #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN)) #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN)) /** @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 clocks are enabled during SLEEP mode. */ #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN)) #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN)) /** * @} */ /** @defgroup RCC_AHB1_Clock_Sleep_Enable_Disable_Status AHB1 Peripheral Clock Sleep Enable Disable Status * @brief Get the enable or disable status of the AHB1 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 clocks are enabled during SLEEP mode. * @{ */ #define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) != RESET) #define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) != RESET) #define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) == RESET) #define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) == RESET) /** * @} */ /** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enable Disable Status * @brief Get the enable or disable status of 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 clocks are enabled during SLEEP mode. * @{ */ #define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) != RESET) #define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) != RESET) #define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) == RESET) #define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) == RESET) /** * @} */ /** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enable Disable Status * @brief Get the enable or disable status of 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 clocks are enabled during SLEEP mode. * @{ */ #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) != RESET) #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) == RESET) /** * @} */ /** @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() (RCC->CR |= (RCC_CR_HSION)) #define __HAL_RCC_HSI_DISABLE() (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). */ #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICALIBRATIONVALUE__) (MODIFY_REG(RCC->CR,\ RCC_CR_HSITRIM, (uint32_t)(__HSICALIBRATIONVALUE__) << RCC_CR_HSITRIM_Pos)) /** * @} */ /** @defgroup RCC_LSI_Configuration LSI Configuration * @{ */ /** @brief Macros to enable or disable 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. * @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_ENABLE() (RCC->CSR |= (RCC_CSR_LSION)) #define __HAL_RCC_LSI_DISABLE() (RCC->CSR &= ~(RCC_CSR_LSION)) /** * @} */ /** @defgroup RCC_HSE_Configuration HSE Configuration * @{ */ /** * @brief Macro to configure the External High Speed oscillator (HSE). * @note Transitions 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 RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after * 6 HSE oscillator clock cycles. * @arg RCC_HSE_ON: turn ON the HSE oscillator. * @arg 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(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. * User should request a transition to LSE Off first and then LSE On or LSE Bypass. * @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 * 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 RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after * 6 LSE oscillator clock cycles. * @arg RCC_LSE_ON: turn ON the LSE oscillator. * @arg 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(0) /** * @} */ /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration * @{ */ /** @brief Macros to enable or disable the RTC clock. * @note These macros must be used only after the RTC clock source was selected. */ #define __HAL_RCC_RTC_ENABLE() (RCC->BDCR |= (RCC_BDCR_RTCEN)) #define __HAL_RCC_RTC_DISABLE() (RCC->BDCR &= ~(RCC_BDCR_RTCEN)) /** @brief Macros 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 can't be changed unless the * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by * a Power On Reset (POR). * @param __RTCCLKSource__ 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_DIVX: HSE clock divided by x selected * as RTC clock, where x:[2,31] * @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(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \ MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFF)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE) #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \ RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFF); \ } 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->BDCR, RCC_BDCR_RTCSEL)) /** * @brief Get the RTC and HSE clock divider (RTCPRE). * @retval Returned value can be one of the following values: * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX: HSE clock divided by x selected * as RTC clock, where x:[2,31] */ #define __HAL_RCC_GET_RTC_HSE_PRESCALER() (READ_BIT(RCC->CFGR, RCC_CFGR_RTCPRE) | RCC_BDCR_RTCSEL) /** @brief Macros to force or release 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() (RCC->BDCR |= (RCC_BDCR_BDRST)) #define __HAL_RCC_BACKUPRESET_RELEASE() (RCC->BDCR &= ~(RCC_BDCR_BDRST)) /** * @} */ /** @defgroup RCC_PLL_Configuration PLL Configuration * @{ */ /** @brief Macros to enable or disable 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 can not be disabled if it is 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) #define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON) /** @brief Macro to configure the PLL clock source. * @note This function must be used only when the main PLL is disabled. * @param __PLLSOURCE__ specifies the PLL entry clock source. * This parameter can be one of the following values: * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry * */ #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__)) /** @brief Macro to configure the PLL multiplication factor. * @note This function must be used only when the main PLL is disabled. * @param __PLLM__ specifies the division factor for PLL VCO input clock * This parameter must be a number between Min_Data = 2 and Max_Data = 63. * @note You have to set the PLLM parameter correctly to ensure that the VCO input * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency * of 2 MHz to limit PLL jitter. * */ #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__)) /** * @} */ /** @defgroup RCC_PLL_I2S_Configuration PLL I2S Configuration * @{ */ /** @brief Macro to configure the I2S clock source (I2SCLK). * @note This function must be called before enabling the I2S APB clock. * @param __SOURCE__ specifies the I2S clock source. * This parameter can be one of the following values: * @arg RCC_I2SCLKSOURCE_PLLI2S: PLLI2S clock used as I2S clock source. * @arg RCC_I2SCLKSOURCE_EXT: External clock mapped on the I2S_CKIN pin * used as I2S clock source. */ #define __HAL_RCC_I2S_CONFIG(__SOURCE__) do {RCC->CFGR &= ~(RCC_CFGR_I2SSRC); \ RCC->CFGR |= (__SOURCE__); \ }while(0) /** @brief Macros to enable or disable the PLLI2S. * @note The PLLI2S is disabled by hardware when entering STOP and STANDBY modes. */ #define __HAL_RCC_PLLI2S_ENABLE() (RCC->CR |= (RCC_CR_PLLI2SON)) #define __HAL_RCC_PLLI2S_DISABLE() (RCC->CR &= ~(RCC_CR_PLLI2SON)) /** * @} */ /** @defgroup RCC_Get_Clock_source Get Clock source * @{ */ /** * @brief Macro to configure the system clock source. * @param __RCC_SYSCLKSOURCE__ specifies the system clock source. * This parameter can be one of the following values: * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source. * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source. * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source. */ #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_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: * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock. * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock. * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock. */ #define __HAL_RCC_GET_SYSCLK_SOURCE() (RCC->CFGR & RCC_CFGR_SWS) /** * @brief Macro to configures the External Low Speed oscillator (LSE) drive capability. * @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 * HAL_PWR_EnableBkUpAccess() function before to configure the LSE * (to be done once after reset). * @param __RCC_LSEDRIVE__ specifies the new state of the LSE drive capability. * This parameter can be one of the following values: * @arg RCC_LSEDRIVE_LOW: LSE oscillator low drive capability. * @arg RCC_LSEDRIVE_MEDIUMLOW: LSE oscillator medium low drive capability. * @arg RCC_LSEDRIVE_MEDIUMHIGH: LSE oscillator medium high drive capability. * @arg RCC_LSEDRIVE_HIGH: LSE oscillator high drive capability. * @retval None */ #define __HAL_RCC_LSEDRIVE_CONFIG(__RCC_LSEDRIVE__) \ (MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, (uint32_t)(__RCC_LSEDRIVE__) )) /** @brief Macro to get the oscillator used as PLL clock source. * @retval The oscillator used as PLL clock source. The returned value can be one * of the following: * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source. */ #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC)) /** * @} */ /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config * @{ */ /** @brief Macro to configure the MCO1 clock. * @param __MCOCLKSOURCE__ specifies the MCO clock source. * This parameter can be one of the following values: * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source * @param __MCODIV__ specifies the MCO clock prescaler. * This parameter can be one of the following values: * @arg RCC_MCODIV_1: no division applied to MCOx clock * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock */ #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \ MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__))) /** @brief Macro to configure the MCO2 clock. * @param __MCOCLKSOURCE__ specifies the MCO clock source. * This parameter can be one of the following values: * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source * @param __MCODIV__ specifies the MCO clock prescaler. * This parameter can be one of the following values: * @arg RCC_MCODIV_1: no division applied to MCOx clock * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock */ #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \ MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3))); /** * @} */ /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management * @brief macros to manage the specified RCC Flags and interrupts. * @{ */ /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable * the selected interrupts). * @param __INTERRUPT__ specifies the RCC interrupt sources to be enabled. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt. * @arg RCC_IT_LSERDY: LSE ready interrupt. * @arg RCC_IT_HSIRDY: HSI ready interrupt. * @arg RCC_IT_HSERDY: HSE ready interrupt. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt. */ #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__)) /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable * the selected interrupts). * @param __INTERRUPT__ specifies the RCC interrupt sources to be disabled. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt. * @arg RCC_IT_LSERDY: LSE ready interrupt. * @arg RCC_IT_HSIRDY: HSI ready interrupt. * @arg RCC_IT_HSERDY: HSE ready interrupt. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt. * @arg RCC_IT_PLLI2SRDY: PLLI2S 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 (Perform Byte access to RCC_CIR[23:16] * bits to clear the selected interrupt pending bits. * @param __INTERRUPT__ specifies the interrupt pending bit to clear. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt. * @arg RCC_IT_LSERDY: LSE ready interrupt. * @arg RCC_IT_HSIRDY: HSI ready interrupt. * @arg RCC_IT_HSERDY: HSE ready interrupt. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt. * @arg 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 RCC_IT_LSIRDY: LSI ready interrupt. * @arg RCC_IT_LSERDY: LSE ready interrupt. * @arg RCC_IT_HSIRDY: HSI ready interrupt. * @arg RCC_IT_HSERDY: HSE ready interrupt. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt. * @arg 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: RCC_FLAG_PINRST, RCC_FLAG_PORRST, * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and 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 RCC_FLAG_HSIRDY: HSI oscillator clock ready. * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready. * @arg RCC_FLAG_PLLRDY: Main PLL clock ready. * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready. * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready. * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready. * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset. * @arg RCC_FLAG_PINRST: Pin reset. * @arg RCC_FLAG_PORRST: POR/PDR reset. * @arg RCC_FLAG_SFTRST: Software reset. * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset. * @arg RCC_FLAG_WWDGRST: Window Watchdog reset. * @arg RCC_FLAG_LPWRRST: Low Power reset. * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define RCC_FLAG_MASK ((uint8_t)0x1F) #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->BDCR :((((__FLAG__) >> 5) == 3)? RCC->CSR :RCC->CIR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))!= 0)? 1 : 0) /** * @} */ /** * @} */ /* Include RCC HAL Extension module */ #include "stm32f7xx_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); void HAL_RCC_EnableCSS(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); /* CSS NMI IRQ handler */ void HAL_RCC_NMI_IRQHandler(void); /* User Callbacks in non blocking mode (IT mode) */ void HAL_RCC_CSSCallback(void); /** * @} */ /** * @} */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /** @defgroup RCC_Private_Constants RCC Private Constants * @{ */ #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT #define HSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */ #define LSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */ #define PLL_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */ #define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */ #define PLLI2S_TIMEOUT_VALUE 100U /* Timeout value fixed to 100 ms */ #define PLLSAI_TIMEOUT_VALUE 100U /* Timeout value fixed to 100 ms */ /** @defgroup RCC_BitAddress_Alias RCC BitAddress Alias * @brief RCC registers bit address alias * @{ */ /* CIR register byte 2 (Bits[15:8]) base address */ #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x01)) /* CIR register byte 3 (Bits[23:16]) base address */ #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x02)) #define RCC_DBP_TIMEOUT_VALUE ((uint32_t)100) #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT /** * @} */ /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @addtogroup RCC_Private_Macros RCC Private Macros * @{ */ /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters * @{ */ #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15) #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_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)) #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \ ((SOURCE) == RCC_PLLSOURCE_HSE)) #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \ ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \ ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK)) #define IS_RCC_PLLM_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 63)) #define IS_RCC_PLLN_VALUE(VALUE) ((50 <= (VALUE)) && ((VALUE) <= 432)) #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == RCC_PLLP_DIV2) || ((VALUE) == RCC_PLLP_DIV4) || \ ((VALUE) == RCC_PLLP_DIV6) || ((VALUE) == RCC_PLLP_DIV8)) #define IS_RCC_PLLQ_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 15)) #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_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15)) #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(MCOX) (((MCOX) == RCC_MCO1) || ((MCOX) == RCC_MCO2)) #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \ ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK)) #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2SOURCE_SYSCLK) || ((SOURCE) == RCC_MCO2SOURCE_PLLI2SCLK)|| \ ((SOURCE) == RCC_MCO2SOURCE_HSE) || ((SOURCE) == RCC_MCO2SOURCE_PLLCLK)) #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \ ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \ ((DIV) == RCC_MCODIV_5)) #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F) #define IS_RCC_RTCCLKSOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_LSE) || ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV2) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV3) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV4) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV5) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV6) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV7) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV8) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV9) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV10) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV11) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV12) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV13) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV14) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV15) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV16) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV17) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV18) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV19) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV20) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV21) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV22) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV23) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV24) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV25) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV26) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV27) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV28) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV29) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV30) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV31)) #define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDRIVE_LOW) || \ ((DRIVE) == RCC_LSEDRIVE_MEDIUMLOW) || \ ((DRIVE) == RCC_LSEDRIVE_MEDIUMHIGH) || \ ((DRIVE) == RCC_LSEDRIVE_HIGH)) /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F7xx_HAL_RCC_H */ /************************ (C) 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