/** ******************************************************************************* * @file system_hc32f448mcti.h * @brief This file contains all the functions prototypes of the HC32 System. @verbatim Change Logs: Date Author Notes 2022-12-31 CDT First version @endverbatim ******************************************************************************* * Copyright (C) 2022, Xiaohua Semiconductor Co., Ltd. All rights reserved. * * This software component is licensed by XHSC 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 * ******************************************************************************* */ #ifndef __SYSTEM_HC32F448MCTI_H__ #define __SYSTEM_HC32F448MCTI_H__ /* C binding of definitions if building with C++ compiler */ #ifdef __cplusplus extern "C" { #endif /******************************************************************************* * Include files ******************************************************************************/ #include /** * @addtogroup CMSIS * @{ */ /** * @addtogroup HC32F448_System * @{ */ /******************************************************************************* * Global pre-processor symbols/macros ('define') ******************************************************************************/ /** * @addtogroup HC32F448_System_Global_Macros * @{ */ /** * @addtogroup HC32F448_System_Clock_Source * @{ */ #if !defined (MRC_VALUE) #define MRC_VALUE (8000000UL) /*!< Internal middle speed RC freq. */ #endif #if !defined (LRC_VALUE) #define LRC_VALUE (32768UL) /*!< Internal low speed RC freq. */ #endif #if !defined (XTAL_VALUE) #define XTAL_VALUE (16000000UL) /*!< External high speed OSC freq. */ #endif #if !defined (XTAL32_VALUE) #define XTAL32_VALUE (32768UL) /*!< External low speed OSC freq. */ #endif #if !defined (HCLK_VALUE) #define HCLK_VALUE (SystemCoreClock >> ((CM_CMU->SCFGR & CMU_SCFGR_HCLKS) >> CMU_SCFGR_HCLKS_POS)) #endif /** * @} */ /** * @} */ /******************************************************************************* * Global variable definitions ('extern') ******************************************************************************/ /** * @addtogroup HC32F448_System_Exported_Variable * @{ */ extern uint32_t SystemCoreClock; /*!< System clock frequency (Core clock) */ extern uint32_t HRC_VALUE; /*!< HRC frequency */ /** * @} */ /******************************************************************************* * Global function prototypes (definition in C source) ******************************************************************************/ /** * @addtogroup HC32F448_System_Global_Functions * @{ */ extern void SystemInit(void); /*!< Initialize the system */ extern void SystemCoreClockUpdate(void); /*!< Update SystemCoreClock variable */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __SYSTEM_HC32F448MCTI_H__ */ /******************************************************************************* * EOF (not truncated) ******************************************************************************/