/**
??******************************************************************************
??*?@file????system_stm32f10x.c
??*?@author??MCD?Application?Team
??*?@version?V3.5.0
??*?@date????11-March-2011
??*?@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
??*
??*?THE?PRESENT?FIRMWARE?WHICH?IS?FOR?GUIDANCE?ONLY?AIMS?AT?PROVIDING?CUSTOMERS
??*?WITH?CODING?INFORMATION?REGARDING?THEIR?PRODUCTS?IN?ORDER?FOR?THEM?TO?SAVE
??*?TIME.?AS?A?RESULT?STMICROELECTRONICS?SHALL?NOT?BE?HELD?LIABLE?FOR?ANY
??*?DIRECT?INDIRECT?OR?CONSEQUENTIAL?DAMAGES?WITH?RESPECT?TO?ANY?CLAIMS?ARISING
??*?FROM?THE?CONTENT?OF?SUCH?FIRMWARE?AND/OR?THE?USE?MADE?BY?CUSTOMERS?OF?THE
??*?CODING?INFORMATION?CONTAINED?HEREIN?IN?CONNECTION?WITH?THEIR?PRODUCTS.
??*
??*?
©?COPYRIGHT?2011?STMicroelectronics

??******************************************************************************
??*/

/**?@addtogroup?CMSIS
??*?@{
??*/

/**?@addtogroup?stm32f10x_system
??*?@{
??*

?屬性????????????大小?????日期????時間???名稱
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?????文件?????????13??2020-08-21?11:20??KeilTest\.git\COMMIT_EDITMSG

?????文件????????304??2020-08-21?11:18??KeilTest\.git\config

?????文件?????????73??2020-08-21?11:18??KeilTest\.git\description

?????文件?????????20??2020-08-21?11:23??KeilTest\.git\HEAD

?????文件????????478??2020-08-21?11:18??KeilTest\.git\hooks\applypatch-msg.sample

?????文件????????896??2020-08-21?11:18??KeilTest\.git\hooks\commit-msg.sample

?????文件???????4655??2020-08-21?11:18??KeilTest\.git\hooks\fsmonitor-watchman.sample

?????文件????????189??2020-08-21?11:18??KeilTest\.git\hooks\post-update.sample

?????文件????????424??2020-08-21?11:18??KeilTest\.git\hooks\pre-applypatch.sample

?????文件???????1643??2020-08-21?11:18??KeilTest\.git\hooks\pre-commit.sample

?????文件????????416??2020-08-21?11:18??KeilTest\.git\hooks\pre-merge-commit.sample

?????文件???????1348??2020-08-21?11:18??KeilTest\.git\hooks\pre-push.sample

?????文件???????4898??2020-08-21?11:18??KeilTest\.git\hooks\pre-rebase.sample

?????文件????????544??2020-08-21?11:18??KeilTest\.git\hooks\pre-receive.sample

?????文件???????1492??2020-08-21?11:18??KeilTest\.git\hooks\prepare-commit-msg.sample

?????文件???????3635??2020-08-21?11:18??KeilTest\.git\hooks\update.sample

?????文件???????1595??2020-08-21?11:23??KeilTest\.git\index

?????文件????????240??2020-08-21?11:18??KeilTest\.git\info\exclude

?????文件????????833??2020-08-21?11:23??KeilTest\.git\logs\HEAD

?????文件????????156??2020-08-21?11:23??KeilTest\.git\logs\refs\heads\dev

?????文件????????335??2020-08-21?11:20??KeilTest\.git\logs\refs\heads\master

?????文件????????184??2020-08-21?11:18??KeilTest\.git\logs\refs\remotes\origin\HEAD

?????文件????????145??2020-08-21?11:20??KeilTest\.git\logs\refs\remotes\origin\master

?????文件?????????60??2020-08-21?11:20??KeilTest\.git\objects\01\f612d15fc4550dd2de73adc4a1980600cefab0

?????文件???????2867??2020-08-21?11:19??KeilTest\.git\objects\02\d928c72afa886f082125d28b4792f2f9c8537f

?????文件????????650??2020-08-21?11:19??KeilTest\.git\objects\0b\2cc2e82d66416948f18f20a984f0bbbded962d

?????文件????????143??2020-08-21?11:20??KeilTest\.git\objects\16\e1792a2cad896aeb5f1386cfaddc6212f5a619

?????文件?????????82??2020-08-21?11:18??KeilTest\.git\objects\17\3a3050e9128c572bb8e248cfae1d4bc4afbd95

?????文件?????????60??2020-08-21?11:20??KeilTest\.git\objects\1a\d5dceb21c0d93f6d88ff3df10c8380ef973ee6

?????文件??????10417??2020-08-21?11:19??KeilTest\.git\objects\22\d1da285ff0e860a9ed64fb295c9a7292f2c0ed

............此處省略118個文件信息