1 /** 2 ****************************************************************************** 3 * @file system_stm32wbxx.h 4 * @author MCD Application Team 5 * @brief CMSIS Cortex Device System Source File for STM32WBxx 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 stm32wbxx_system 25 * @{ 26 */ 27 28 /** 29 * @brief Define to prevent recursive inclusion 30 */ 31 #ifndef __SYSTEM_STM32WBXX_H 32 #define __SYSTEM_STM32WBXX_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <stdint.h> 39 40 /** @addtogroup STM32WBxx_System_Includes 41 * @{ 42 */ 43 44 /** 45 * @} 46 */ 47 48 49 /** @addtogroup STM32WBxx_System_Exported_types 50 * @{ 51 */ 52 /* The SystemCoreClock variable is updated in three ways: 53 1) by calling CMSIS function SystemCoreClockUpdate() 54 2) by calling HAL API function HAL_RCC_GetSysClockFreq() 55 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency 56 Note: If you use this function to configure the system clock; then there 57 is no need to call the 2 first functions listed above, since SystemCoreClock 58 variable is updated automatically. 59 */ 60 61 extern uint32_t SystemCoreClock; /*!< System Clock Frequency */ 62 63 extern const uint32_t AHBPrescTable[16]; /*!< AHB prescalers table values */ 64 extern const uint32_t APBPrescTable[8]; /*!< APB prescalers table values */ 65 extern const uint32_t MSIRangeTable[16]; /*!< MSI ranges table values */ 66 67 #if defined(STM32WB55xx) 68 extern const uint32_t SmpsPrescalerTable[4][6]; /*!< SMPS factor ranges table values */ 69 #endif 70 /** 71 * @} 72 */ 73 74 /** @addtogroup STM32WBxx_System_Exported_Constants 75 * @{ 76 */ 77 78 /** 79 * @} 80 */ 81 82 /** @addtogroup STM32WBxx_System_Exported_Macros 83 * @{ 84 */ 85 86 /** 87 * @} 88 */ 89 90 /** @addtogroup STM32WBxx_System_Exported_Functions 91 * @{ 92 */ 93 94 extern void SystemInit(void); 95 extern void SystemCoreClockUpdate(void); 96 /** 97 * @} 98 */ 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /*__SYSTEM_STM32WBXX_H */ 105 106 /** 107 * @} 108 */ 109 110 /** 111 * @} 112 */ 113 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 114