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  • 大小: 3.38MB
    文件類型: .zip
    金幣: 2
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    發布日期: 2023-09-10
  • 語言: Html/CSS
  • 標簽: dma??STM32F103??

資源簡介

該源碼文章地址:https://www.cnblogs.com/lifexy/p/7518488.html ,介紹:使用DMA,無需CPU中斷便能實現接收串口數據

資源截圖

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??2018-07-10?10:34??dma+串口接收\
?????目錄???????????0??2018-07-10?10:34??dma+串口接收\CORE\
?????文件???????17273??2010-06-07?10:25??dma+串口接收\CORE\core_cm3.c
?????文件???????85714??2011-02-09?14:59??dma+串口接收\CORE\core_cm3.h
?????文件???????15503??2011-03-10?10:52??dma+串口接收\CORE\startup_stm32f10x_hd.s
?????目錄???????????0??2018-07-10?10:34??dma+串口接收\HARDWARE\
?????目錄???????????0??2020-06-22?17:19??dma+串口接收\HARDWARE\DMA\
?????文件????????2008??2020-06-22?17:19??dma+串口接收\HARDWARE\DMA\dma.c
?????文件?????????259??2018-04-02?23:37??dma+串口接收\HARDWARE\DMA\dma.h
?????目錄???????????0??2018-07-10?10:34??dma+串口接收\HARDWARE\KEY\
?????文件????????1355??2018-04-02?23:37??dma+串口接收\HARDWARE\KEY\key.c
?????文件?????????716??2018-04-02?23:37??dma+串口接收\HARDWARE\KEY\key.h
?????目錄???????????0??2018-07-10?10:34??dma+串口接收\HARDWARE\LCD\
?????文件???????35016??2015-03-13?14:54??dma+串口接收\HARDWARE\LCD\font.h
?????文件???????85363??2015-04-24?11:50??dma+串口接收\HARDWARE\LCD\lcd.c
?????文件????????7529??2015-04-24?11:48??dma+串口接收\HARDWARE\LCD\lcd.h
?????目錄???????????0??2018-07-10?10:34??dma+串口接收\HARDWARE\LED\
?????文件?????????825??2018-04-02?23:37??dma+串口接收\HARDWARE\LED\led.c
?????文件?????????171??2018-04-02?23:37??dma+串口接收\HARDWARE\LED\led.h
?????目錄???????????0??2020-06-22?17:30??dma+串口接收\OBJ\
?????文件??????315720??2020-06-22?17:30??dma+串口接收\OBJ\DMA.axf
?????文件????????2457??2020-06-22?17:30??dma+串口接收\OBJ\DMA.build_log.htm
?????文件???????17458??2020-06-22?17:30??dma+串口接收\OBJ\DMA.hex
?????文件???????61876??2020-06-22?17:30??dma+串口接收\OBJ\DMA.htm
?????文件?????????596??2020-06-22?17:30??dma+串口接收\OBJ\DMA.lnp
?????文件?????????479??2017-08-24?08:38??dma+串口接收\OBJ\DMA.sct
?????文件???????33476??2020-06-22?17:30??dma+串口接收\OBJ\DMA_DMA.dep
?????文件????????3939??2020-06-22?17:30??dma+串口接收\OBJ\core_cm3.crf
?????文件?????????101??2020-06-22?17:30??dma+串口接收\OBJ\core_cm3.d
?????文件???????11240??2020-06-22?17:30??dma+串口接收\OBJ\core_cm3.o
?????文件??????349940??2020-06-22?17:30??dma+串口接收\OBJ\delay.crf
............此處省略131個文件信息

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