139 lines
5.9 KiB
C
139 lines
5.9 KiB
C
/*******************************************************************************
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* Copyright (C) 2016, Huada Semiconductor Co., Ltd. All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co., Ltd. ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACCOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file system_hc32f46x.h
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**
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** A detailed description is available at
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** @link Hc32f46xSystemGroup Hc32f46xSystem description @endlink
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**
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** - 2018-10-15 1.0 First version.
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**
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******************************************************************************/
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#ifndef __SYSTEM_HC32F46X_H__
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#define __SYSTEM_HC32F46X_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 Hc32f46xSystemGroup HC32F46x 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)16000000) /*!< 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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//@} // Hc32f46xSystemGroup
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYSTEM_HC32F46X_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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