| /** | |
| ****************************************************************************** | |
| * @file system_stm32l1xx.h | |
| * @author MCD Application Team | |
| * @brief CMSIS Cortex-M3 Device System Source File for STM32L1xx devices. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© Copyright (c) 2017 STMicroelectronics. | |
| * All rights reserved.</center></h2> | |
| * | |
| * 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 | |
| * | |
| ****************************************************************************** | |
| */ | |
| /** @addtogroup CMSIS | |
| * @{ | |
| */ | |
| /** @addtogroup stm32l1xx_system | |
| * @{ | |
| */ | |
| /** | |
| * @brief Define to prevent recursive inclusion | |
| */ | |
| #ifndef __SYSTEM_STM32L1XX_H | |
| #define __SYSTEM_STM32L1XX_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /** @addtogroup STM32L1xx_System_Includes | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** @addtogroup STM32L1xx_System_Exported_types | |
| * @{ | |
| */ | |
| /* This 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) */ | |
| /* | |
| */ | |
| extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */ | |
| extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */ | |
| extern const uint8_t PLLMulTable[9]; /*!< PLL multipiers table values */ | |
| /** | |
| * @} | |
| */ | |
| /** @addtogroup STM32L1xx_System_Exported_Constants | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** @addtogroup STM32L1xx_System_Exported_Macros | |
| * @{ | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /** @addtogroup STM32L1xx_System_Exported_Functions | |
| * @{ | |
| */ | |
| extern void SystemInit(void); | |
| extern void SystemCoreClockUpdate(void); | |
| /** | |
| * @} | |
| */ | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /*__SYSTEM_STM32L1XX_H */ | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |