/**
??******************************************************************************
??*?@file????system_stm32f10x.c
??*?@author??MCD?Application?Team
??*?@version?V3.6.1
??*?@date????09-March-2012
??*?@brief???CMSIS?Cortex-M3?Device?Peripheral?Access?layer?System?Source?File.
??*?
??*?1.??This?file?provides?two?functions?and?one?global?variable?to?be?called?from?
??*?????user?application:
??*??????-?SystemInit（）:?Setups?the?system?clock?（System?clock?source?PLL?Multiplier
??*??????????????????????factors?AHB/APBx?prescalers?and?Flash?settings）.?
??*??????????????????????This?function?is?called?at?startup?just?after?reset?and?
??*??????????????????????before?branch?to?main?program.?This?call?is?made?inside
??*??????????????????????the?“startup_stm32f10x_xx.s“?file.
??*
??*??????-?SystemCoreClock?variable:?Contains?the?core?clock?（HCLK）?it?can?be?used
??*??????????????????????????????????by?the?user?application?to?setup?the?SysTick?
??*??????????????????????????????????timer?or?configure?other?parameters.
??*?????????????????????????????????????
??*??????-?SystemCoreClockUpdate（）:?Updates?the?variable?SystemCoreClock?and?must
??*?????????????????????????????????be?called?whenever?the?core?clock?is?changed
??*?????????????????????????????????during?program?execution.
??*
??*?2.?After?each?device?reset?the?HSI?（8?MHz）?is?used?as?system?clock?source.
??*????Then?SystemInit（）?function?is?called?in?“startup_stm32f10x_xx.s“?file?to
??*????configure?the?system?clock?before?to?branch?to?main?program.
??*
??*?3.?If?the?system?clock?source?selected?by?user?fails?to?startup?the?SystemInit（）
??*????function?will?do?nothing?and?HSI?still?used?as?system?clock?source.?User?can?
??*????add?some?code?to?deal?with?this?issue?inside?the?SetSysClock（）?function.
??*
??*?4.?The?default?value?of?HSE?crystal?is?set?to?8?MHz?（or?25?MHz?depedning?on
??*????the?product?used）?refer?to?“HSE_VALUE“?define?in?“stm32f10x.h“?file.?
??*????When?HSE?is?used?as?system?clock?source?directly?or?through?PLL?and?you
??*????are?using?different?crystal?you?have?to?adapt?the?HSE?value?to?your?own
??*????configuration.
??*????????
??******************************************************************************
??*?@attention
??*
??*?
©?COPYRIGHT?2012?STMicroelectronics

??*
??*?Licensed?under?MCD-ST?Liberty?SW?License?Agreement?V2?（the?“License“）;
??*?You?may?not?use?this?file?except?in?compliance?with?the?License.
??*?You?may?obtain?a?copy?of?the?License?at:
??*
??*????????http://www.st.com/software_license_agreement_liberty_v2
??*
??*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software?
??*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS?
??*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
??*?See?the?License?for?the?specific?language?governing?permissions?and
??*?limitations?under?the?License.
??*
??*************************************

?屬性????????????大小?????日期????時間???名稱
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?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\
?????文件?????????191??2018-12-10?18:25??STM32F103-uCOS-II?-?基本模板\.git\config
?????文件??????????73??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\description
?????文件??????????23??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\HEAD
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\hooks\
?????文件?????????478??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\applypatch-msg.sample
?????文件?????????896??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\commit-msg.sample
?????文件????????3327??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\fsmonitor-watchman.sample
?????文件?????????189??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\post-update.sample
?????文件?????????424??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\pre-applypatch.sample
?????文件????????1638??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\pre-commit.sample
?????文件????????1348??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\pre-push.sample
?????文件????????4898??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\pre-rebase.sample
?????文件?????????544??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\pre-receive.sample
?????文件????????1492??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\prepare-commit-msg.sample
?????文件????????3610??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\hooks\update.sample
?????文件??????112999??2018-12-10?18:25??STM32F103-uCOS-II?-?基本模板\.git\index
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\info\
?????文件?????????240??2018-12-10?18:22??STM32F103-uCOS-II?-?基本模板\.git\info\exclude
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\logs\
?????文件?????????162??2018-12-10?18:25??STM32F103-uCOS-II?-?基本模板\.git\logs\HEAD
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\logs\refs\
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\logs\refs\heads\
?????文件?????????162??2018-12-10?18:25??STM32F103-uCOS-II?-?基本模板\.git\logs\refs\heads\master
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\objects\
?????目錄???????????0??2018-12-11?11:42??STM32F103-uCOS-II?-?基本模板\.git\objects\00\
?????文件????????2684??2018-12-10?18:23??STM32F103-uCOS-II?-?基本模板\.git\objects\00\06e8982d1c30fc5da48c624b128da076b403bb
?????文件????????7309??2018-12-10?18:23??STM32F103-uCOS-II?-?基本模板\.git\objects\00\189adcfdc181ac131966d982bdaa6c6d617eef
?????文件????????4624??2018-12-10?18:23??STM32F103-uCOS-II?-?基本模板\.git\objects\00\63c746eacd308c5f1c76a7ee0eae10c4171967
?????文件????????2959??2018-12-10?18:23??STM32F103-uCOS-II?-?基本模板\.git\objects\00\786c4b1c3ddf1dcbfa724054d41761e8a3a0bd
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