1 /** 2 ****************************************************************************** 3 * @file system_stm32mp1xx.h 4 * @author MCD Application Team 5 * @brief CMSIS Cortex-Mx Device System Source File for STM32MP1xx devices. 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© Copyright (c) 2019 STMicroelectronics. 10 * All rights reserved.</center></h2> 11 * 12 * This software component is licensed by ST under BSD 3-Clause license, 13 * the "License"; You may not use this file except in compliance with the 14 * License. You may obtain a copy of the License at: 15 * opensource.org/licenses/BSD-3-Clause 16 * 17 ****************************************************************************** 18 */ 19 20 /** @addtogroup CMSIS 21 * @{ 22 */ 23 24 /** @addtogroup stm32mp1xx_system 25 * @{ 26 */ 27 28 /** 29 * @brief Define to prevent recursive inclusion 30 */ 31 #ifndef __SYSTEM_STM32MP1XX_H 32 #define __SYSTEM_STM32MP1XX_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 39 /** @addtogroup STM32MP1xx_System_Includes 40 * @{ 41 */ 42 43 /** 44 * @} 45 */ 46 47 48 /** @addtogroup STM32MP1xx_System_Exported_types 49 * @{ 50 */ 51 /* This variable is updated in three ways: 52 1) by calling CMSIS function SystemCoreClockUpdate() 53 2) by calling HAL API function HAL_RCC_GetSysClockFreq() 54 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency 55 Note: If you use this function to configure the system clock; then there 56 is no need to call the 2 first functions listed above, since SystemCoreClock 57 variable is updated automatically. 58 */ 59 extern uint32_t SystemCoreClock; /*!< System Core1 Clock Frequency */ 60 extern uint32_t SystemCore1Clock; /*!< System Core1 Clock Frequency */ 61 extern uint32_t SystemCore2Clock; /*!< System Core2 Clock Frequency */ 62 63 /** 64 * @} 65 */ 66 67 /** @addtogroup STM32MP1xx_System_Exported_Constants 68 * @{ 69 */ 70 71 /** 72 * @} 73 */ 74 75 /** @addtogroup STM32MP1xx_System_Exported_Macros 76 * @{ 77 */ 78 79 /** 80 * @} 81 */ 82 83 /** @addtogroup STM32MP1xx_System_Exported_Functions 84 * @{ 85 */ 86 87 extern void Hal_SystemInit(void); 88 extern void SystemCoreClockUpdate(void); 89 /** 90 * @} 91 */ 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /*__SYSTEM_STM32MP1XX_H */ 98 99 /** 100 * @} 101 */ 102 103 /** 104 * @} 105 */ 106 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 107