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花了幾天時間,終于調(diào)通了stm32單片機(jī)3個串口dma方式通信,分享個大家。

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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??2010-06-07?10:25??stm32調(diào)通3個dma串口\CORE\core_cm3.c

?????文件??????85714??2011-02-09?14:59??stm32調(diào)通3個dma串口\CORE\core_cm3.h

?????文件??????15503??2011-03-10?10:52??stm32調(diào)通3個dma串口\CORE\startup_stm32f10x_hd.s

?????文件??????12765??2011-03-10?10:52??stm32調(diào)通3個dma串口\CORE\startup_stm32f10x_md.s

?????文件???????2365??2012-09-16?12:07??stm32調(diào)通3個dma串口\HARDWARE\DMA\dma.c

?????文件????????725??2012-09-16?10:50??stm32調(diào)通3個dma串口\HARDWARE\DMA\dma.h

?????文件???????1471??2014-09-24?11:24??stm32調(diào)通3個dma串口\HARDWARE\KEY\key.c

?????文件????????931??2014-09-24?08:54??stm32調(diào)通3個dma串口\HARDWARE\KEY\key.h

?????文件???????1100??2014-09-24?08:49??stm32調(diào)通3個dma串口\HARDWARE\LED\led.c

?????文件????????638??2012-09-13?09:45??stm32調(diào)通3個dma串口\HARDWARE\LED\led.h

?????文件????????399??2011-04-23?10:24??stm32調(diào)通3個dma串口\keilkilll.bat

?????文件???????3529??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\core_cm3.crf

?????文件?????????89??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\core_cm3.d

?????文件??????10316??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\core_cm3.o

?????文件?????254753??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\delay.crf

?????文件????????695??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\delay.d

?????文件?????277152??2014-09-24?08:39??stm32調(diào)通3個dma串口\OBJ\delay.o

?????文件?????254684??2014-07-10?12:09??stm32調(diào)通3個dma串口\OBJ\dma.crf

?????文件????????661??2014-07-10?12:09??stm32調(diào)通3個dma串口\OBJ\dma.d

?????文件?????277180??2014-07-10?12:09??stm32調(diào)通3個dma串口\OBJ\dma.o

?????文件?????????19??2014-07-10?17:42??stm32調(diào)通3個dma串口\OBJ\ExtDll.iex

?????文件?????254844??2014-09-24?11:24??stm32調(diào)通3個dma串口\OBJ\key.crf

?????文件????????700??2014-09-24?11:24??stm32調(diào)通3個dma串口\OBJ\key.d

?????文件?????277692??2014-09-24?11:24??stm32調(diào)通3個dma串口\OBJ\key.o

?????文件????????382??2014-09-24?11:24??stm32調(diào)通3個dma串口\OBJ\key.__i

?????文件?????254258??2014-09-24?08:49??stm32調(diào)通3個dma串口\OBJ\led.crf

?????文件????????661??2014-09-24?08:49??stm32調(diào)通3個dma串口\OBJ\led.d

?????文件?????276012??2014-09-24?08:49??stm32調(diào)通3個dma串口\OBJ\led.o

?????文件????????382??2014-09-24?08:49??stm32調(diào)通3個dma串口\OBJ\led.__i

?????文件?????259396??2014-09-24?08:54??stm32調(diào)通3個dma串口\OBJ\main.crf

............此處省略127個文件信息

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