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105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
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/**
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******************************************************************************
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* @file system_stm32g0xx.h
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* @author MCD Application Team
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* @brief CMSIS Cortex-M0+ Device System Source File for STM32G0xx devices.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2018-2021 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/** @addtogroup CMSIS
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* @{
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*/
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/** @addtogroup stm32g0xx_system
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* @{
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*/
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/**
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* @brief Define to prevent recursive inclusion
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*/
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#ifndef SYSTEM_STM32G0XX_H
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#define SYSTEM_STM32G0XX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @addtogroup STM32G0xx_System_Includes
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32G0xx_System_Exported_types
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* @{
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*/
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/* This variable is updated in three ways:
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1) by calling CMSIS function SystemCoreClockUpdate()
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2) by calling HAL API function HAL_RCC_GetSysClockFreq()
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3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
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Note: If you use this function to configure the system clock; then there
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is no need to call the 2 first functions listed above, since SystemCoreClock
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variable is updated automatically.
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*/
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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extern const uint32_t AHBPrescTable[16]; /*!< AHB prescalers table values */
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extern const uint32_t APBPrescTable[8]; /*!< APB prescalers table values */
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/**
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* @}
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*/
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/** @addtogroup STM32G0xx_System_Exported_Constants
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32G0xx_System_Exported_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32G0xx_System_Exported_Functions
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* @{
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*/
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extern void SystemInit(void);
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extern void SystemCoreClockUpdate(void);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /*SYSTEM_STM32G0XX_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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