/** ****************************************************************************** * @file system_stm32h7rsxx.h * @author MCD Application Team * @brief CMSIS Cortex-M7 Device System Source File for STM32H7RSxx devices. ****************************************************************************** * @attention * * Copyright (c) 2022 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /** @addtogroup CMSIS * @{ */ /** @addtogroup STM32H7RSxx_system * @{ */ #ifndef SYSTEM_STM32H7RSXX_H #define SYSTEM_STM32H7RSXX_H #ifdef __cplusplus extern "C" { #endif /** @addtogroup STM32H7RSxx_System_Includes * @{ */ #include /** * @} */ /** @addtogroup STM32H7RSxx_System_Exported_Variables * @{ */ /* The SystemCoreClock variable is updated in three ways: 1) by calling CMSIS function SystemCoreClockUpdate() 2) by calling HAL API function HAL_RCC_GetSysClockFreq() 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency Note: If you use this function to configure the system clock; then there is no need to call the 2 first functions listed above, since SystemCoreClock variable is updated automatically. */ extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ /** * @} */ /** @addtogroup STM32H7RSxx_System_Exported_Functions * @{ */ /** \brief Setup the microcontroller system. Initialize the System and update the SystemCoreClock variable. */ extern void SystemInit (void); /** \brief Update SystemCoreClock variable. Updates the SystemCoreClock with current core Clock retrieved from cpu registers. */ extern void SystemCoreClockUpdate (void); /** * @} */ #ifdef __cplusplus } #endif #endif /* SYSTEM_STM32H7RSXX_H */ /** * @} */ /** * @} */