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基于STM32可統計一分鐘內輸入方波個數,很精確的

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
-----------?---------??----------?-----??----
?????文件??????17273??2010-10-18?20:09??Square_count\CORE\core_cm3.c
?????文件??????85714??2010-10-18?20:09??Square_count\CORE\core_cm3.h
?????文件??????15763??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_cl.s
?????文件??????15500??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_hd.s
?????文件??????15767??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_hd_vl.s
?????文件??????12373??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_ld.s
?????文件??????13653??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_ld_vl.s
?????文件??????12762??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_md.s
?????文件??????14070??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_md_vl.s
?????文件??????15952??2010-10-18?20:09??Square_count\CORE\startup_stm32f10x_xl.s
?????文件???????8893??2010-10-18?20:09??Square_count\FWLIB\inc\misc.h
?????文件??????21601??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_adc.h
?????文件???????7466??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_bkp.h
?????文件??????23230??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_can.h
?????文件???????6483??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_cec.h
?????文件???????2073??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_crc.h
?????文件??????15145??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_dac.h
?????文件???????3729??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_dbgmcu.h
?????文件??????20661??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_dma.h
?????文件???????6735??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_exti.h
?????文件??????25356??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_flash.h
?????文件??????26927??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_fsmc.h
?????文件??????20086??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_gpio.h
?????文件??????29501??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_i2c.h
?????文件???????1996??2010-10-18?22:36??Square_count\FWLIB\inc\stm32f10x_it.h
?????文件???????3739??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_iwdg.h
?????文件???????4294??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_pwr.h
?????文件??????30363??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_rcc.h
?????文件???????3768??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_rtc.h
?????文件??????21774??2010-10-18?20:09??Square_count\FWLIB\inc\stm32f10x_sdio.h
............此處省略61個文件信息
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