106 lines
4.3 KiB
C
106 lines
4.3 KiB
C
/*******************************************************************************
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* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
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*
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* This software component is licensed by HDSC under BSD 3-Clause license
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* (the "License"); You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*/
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/******************************************************************************/
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/** \file system_hc32f460.h
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**
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** A detailed description is available at
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** @link Hc32f460SystemGroup Hc32f460System description @endlink
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**
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** - 2018-10-15 CDT First version.
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**
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******************************************************************************/
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#ifndef __SYSTEM_HC32F460_H__
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#define __SYSTEM_HC32F460_H__
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include <stdint.h>
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/* C binding of definitions if building with C++ compiler */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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*******************************************************************************
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** \defgroup Hc32f460SystemGroup HC32F460 System Configure
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**
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Global pre-processor symbols/macros ('define')
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******************************************************************************/
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/**
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******************************************************************************
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** \brief Clock Setup macro definition
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**
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** - 0: CLOCK_SETTING_NONE - User provides own clock setting in application
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** - 1: CLOCK_SETTING_CMSIS -
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******************************************************************************/
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#define CLOCK_SETTING_NONE 0u
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#define CLOCK_SETTING_CMSIS 1u
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#define HRC_FREQ_MON() (*((volatile unsigned int*)(0x40010684UL)))
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#if !defined (HRC_16MHz_VALUE)
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#define HRC_16MHz_VALUE ((uint32_t)16000000UL) /*!< Internal high speed RC freq.(16MHz) */
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#endif
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#if !defined (HRC_20MHz_VALUE)
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#define HRC_20MHz_VALUE ((uint32_t)20000000UL) /*!< Internal high speed RC freq.(20MHz) */
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#endif
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#if !defined (MRC_VALUE)
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#define MRC_VALUE ((uint32_t)8000000) /*!< Internal middle speed RC freq. */
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#endif
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#if !defined (LRC_VALUE)
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#define LRC_VALUE ((uint32_t)32768) /*!< Internal low speed RC freq. */
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#endif
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#if !defined (XTAL_VALUE)
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#define XTAL_VALUE ((uint32_t)8000000) /*!< External high speed OSC freq. */
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#endif
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#if !defined (XTAL32_VALUE)
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#define XTAL32_VALUE ((uint32_t)32768) /*!< External low speed OSC freq. */
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#endif
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/******************************************************************************/
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/* */
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/* START OF USER SETTINGS HERE */
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/* =========================== */
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/* */
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/* All lines with '<<<' can be set by user. */
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* Global function prototypes ('extern', definition in C source) */
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/******************************************************************************/
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extern uint32_t HRC_VALUE; // HRC Clock Frequency (Core Clock)
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extern uint32_t SystemCoreClock; // System Clock Frequency (Core Clock)
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extern void SystemInit(void); // Initialize the system
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extern void SystemCoreClockUpdate(void); // Update SystemCoreClock variable
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//@} // Hc32f460SystemGroup
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYSTEM_HC32F460_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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