資源簡介
本資源為stm32f103輸入捕獲得到占空比與周期源代碼,keil5工程,在原子哥代碼基礎上改的,增加了一個獲得周期的邏輯,可以得到周期時間和高電平時間,進而得到占空比。親測準確無誤

代碼片段和文件信息
/**************************************************************************//**
?*?@file?????core_cm3.c
?*?@brief????CMSIS?Cortex-M3?Core?Peripheral?Access?layer?Source?File
?*?@version??V1.30
?*?@date?????30.?October?2009
?*
?*?@note
?*?Copyright?(C)?2009?ARM?Limited.?All?rights?reserved.
?*
?*?@par
?*?ARM?Limited?(ARM)?is?supplying?this?software?for?use?with?Cortex-M?
?*?processor?based?microcontrollers.??This?file?can?be?freely?distributed?
?*?within?development?tools?that?are?supporting?such?ARM?based?processors.?
?*
?*?@par
?*?THIS?SOFTWARE?IS?PROVIDED?“AS?IS“.??NO?WARRANTIES?WHETHER?EXPRESS?IMPLIED
?*?OR?STATUTORY?INCLUDING?BUT?NOT?LIMITED?TO?IMPLIED?WARRANTIES?OF
?*?MERCHANTABILITY?AND?FITNESS?FOR?A?PARTICULAR?PURPOSE?APPLY?TO?THIS?SOFTWARE.
?*?ARM?SHALL?NOT?IN?ANY?CIRCUMSTANCES?BE?LIABLE?FOR?SPECIAL?INCIDENTAL?OR
?*?CONSEQUENTIAL?DAMAGES?FOR?ANY?REASON?WHATSOEVER.
?*
?******************************************************************************/
#include?
/*?define?compiler?specific?symbols?*/
#if?defined?(?__CC_ARM???)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????__inline???????????????????????????????????/*!
#elif?defined?(?__ICCARM__?)
??#define?__ASM???????????__asm???????????????????????????????????????/*!??#define?__INLINE????????inline??????????????????????????????????????/*!
#elif?defined???(??__GNUC__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#elif?defined???(??__TASKING__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#endif
/*?###################??Compiler?specific?Intrinsics??###########################?*/
#if?defined?(?__CC_ARM???)?/*------------------RealView?Compiler?-----------------*/
/*?ARM?armcc?specific?functions?*/
/**
?*?@brief??Return?the?Process?Stack?Pointer
?*
?*?@return?ProcessStackPointer
?*
?*?Return?the?actual?process?stack?pointer
?*/
__ASM?uint32_t?__get_PSP(void)
{
??mrs?r0?psp
??bx?lr
}
/**
?*?@brief??Set?the?Process?Stack?Pointer
?*
?*?@param??topOfProcStack??Process?Stack?Pointer
?*
?*?Assign?the?value?ProcessStackPointer?to?the?MSP?
?*?(process?stack?pointer)?Cortex?processor?register
?*/
__ASM?void?__set_PSP(uint32_t?topOfProcStack)
{
??msr?psp?r0
??bx?lr
}
/**
?*?@brief??Return?the?Main?Stack?Pointer
?*
?*?@return?Main?Stack?Pointer
?*
?*?Return?the?curren
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-06-13?17:33??111111111\
?????目錄???????????0??2019-06-13?17:33??111111111\CORE\
?????文件???????17273??2010-06-07?10:25??111111111\CORE\core_cm3.c
?????文件???????85714??2011-02-09?14:59??111111111\CORE\core_cm3.h
?????文件???????15503??2011-03-10?10:52??111111111\CORE\startup_stm32f10x_hd.s
?????目錄???????????0??2019-06-13?17:34??111111111\HARDWARE\
?????目錄???????????0??2019-06-13?17:33??111111111\HARDWARE\KEY\
?????文件????????1827??2015-03-20?12:41??111111111\HARDWARE\KEY\key.c
?????文件????????1186??2015-03-19?16:14??111111111\HARDWARE\KEY\key.h
?????目錄???????????0??2019-06-13?17:33??111111111\HARDWARE\LED\
?????文件????????1298??2012-09-13?13:13??111111111\HARDWARE\LED\led.c
?????文件?????????638??2012-09-13?09:45??111111111\HARDWARE\LED\led.h
?????目錄???????????0??2019-06-13?17:34??111111111\HARDWARE\OLED\
?????文件????????5586??2014-10-26?21:07??111111111\HARDWARE\OLED\bmp.h
?????文件???????10188??2019-06-12?15:47??111111111\HARDWARE\OLED\oled.c
?????文件????????2778??2019-06-12?15:47??111111111\HARDWARE\OLED\oled.h
?????文件???????15257??2014-10-26?23:37??111111111\HARDWARE\OLED\oledfont.h
?????目錄???????????0??2019-06-13?18:11??111111111\HARDWARE\TIMER\
?????文件????????7834??2019-06-13?18:11??111111111\HARDWARE\TIMER\timer.c
?????文件?????????180??2012-08-27?22:37??111111111\HARDWARE\TIMER\timer.h
?????目錄???????????0??2019-06-13?18:18??111111111\OBJ\
?????文件??????363500??2019-06-13?18:18??111111111\OBJ\ICAPTURE.axf
?????文件????????1427??2019-06-13?18:18??111111111\OBJ\ICAPTURE.build_log.htm
?????文件???????37933??2019-06-13?18:18??111111111\OBJ\ICAPTURE.hex
?????文件???????85248??2019-06-13?18:18??111111111\OBJ\ICAPTURE.htm
?????文件?????????603??2019-06-13?18:18??111111111\OBJ\ICAPTURE.lnp
?????文件?????????479??2019-06-12?20:52??111111111\OBJ\ICAPTURE.sct
?????文件???????34793??2019-06-13?18:18??111111111\OBJ\ICAPTURE_ICAPTURE.dep
?????文件????????3942??2019-06-13?17:35??111111111\OBJ\core_cm3.crf
?????文件?????????104??2019-06-13?17:35??111111111\OBJ\core_cm3.d
?????文件???????11404??2019-06-13?17:35??111111111\OBJ\core_cm3.o
............此處省略126個文件信息
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