資源簡介
在STM32F103C8T6T6單片機(jī)上,利用串口空閑中斷和DMA功能實(shí)現(xiàn)Modbus通信時數(shù)據(jù)檢測功能。不再需要利用定時器中斷去判斷一幀數(shù)據(jù)是否接收完成。

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??2020-10-16?08:51??CORE\
?????文件???????17273??2010-06-07?10:25??CORE\core_cm3.c
?????文件???????85714??2011-02-09?14:59??CORE\core_cm3.h
?????文件???????15503??2011-03-10?10:52??CORE\startup_stm32f10x_hd.s
?????目錄???????????0??2020-10-16?08:54??HARDWARE\
?????目錄???????????0??2020-10-16?08:51??HARDWARE\KEY\
?????文件?????????754??2019-08-29?09:04??HARDWARE\KEY\key.c
?????文件?????????142??2019-08-29?08:49??HARDWARE\KEY\key.h
?????目錄???????????0??2020-10-16?08:51??HARDWARE\LED\
?????文件?????????393??2019-08-28?15:46??HARDWARE\LED\led.c
?????文件?????????141??2019-08-28?15:39??HARDWARE\LED\led.h
?????目錄???????????0??2020-10-16?08:55??HARDWARE\modubs\
?????文件????????4622??2019-03-21?15:03??HARDWARE\modubs\crc16.c
?????文件?????????232??2020-10-16?09:21??HARDWARE\modubs\crc16.h
?????文件????????7999??2020-10-16?10:01??HARDWARE\modubs\modbus.c
?????文件?????????227??2020-10-16?09:21??HARDWARE\modubs\modbus.h
?????目錄???????????0??2020-10-16?08:51??HARDWARE\UART2\
?????文件????????7898??2020-10-16?09:41??HARDWARE\UART2\uart2.c
?????文件?????????315??2020-10-15?10:03??HARDWARE\UART2\uart2.h
?????文件?????????399??2011-04-23?10:24??keilkilll.bat
?????目錄???????????0??2020-10-16?10:23??OBJ\
?????文件???????10933??2020-10-15?11:05??OBJ\LED.hex
?????文件??????????21??2018-05-31?15:07??OBJ\LED.hex.asm
?????文件???????14300??2020-10-16?09:41??OBJ\modbus.hex
?????目錄???????????0??2020-10-16?08:51??STM32F10x_FWLib\
?????目錄???????????0??2020-10-16?08:51??STM32F10x_FWLib\inc\
?????文件????????8982??2011-03-10?10:47??STM32F10x_FWLib\inc\misc.h
?????文件???????21690??2011-03-10?10:47??STM32F10x_FWLib\inc\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??STM32F10x_FWLib\inc\stm32f10x_bkp.h
?????文件???????27559??2011-03-10?10:47??STM32F10x_FWLib\inc\stm32f10x_can.h
?????文件????????6573??2011-03-10?10:47??STM32F10x_FWLib\inc\stm32f10x_cec.h
............此處省略75個文件信息
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