資源簡介
描述:硬件:RS485接口 協議:Modbus RTU。功能:采用DMA方式發送數據,中斷方式接收數據。注: 接收到指令之后,判斷是否是相應指令而進行DMA數據發送。DMA:開啟DMA,DMA發送完一幀數據后產生發送完成中斷,在DMA發送完成中斷中,開啟USART接收中斷(字節), 在USART接收中斷中保存接收到的數據。注: 本程序額外開啟了USART空閑中斷,在空閑中斷中將 USART接收中斷中接收到的數據發送至串口調試助手顯示并開啟DMA請求

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?????????70??2019-06-06?09:58??485-ITRXDMATX-func-CRCMN\CRC正確.txt
?????文件????????851??2019-05-28?09:42??485-ITRXDMATX-func-CRCMN\Doc\readme.txt
?????文件????????401??2016-09-01?09:45??485-ITRXDMATX-func-CRCMN\keilkill.bat
?????文件??????17273??2010-06-07?10:25??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\core_cm3.c
?????文件??????85714??2011-02-09?14:59??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\core_cm3.h
?????文件??????15766??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_cl.s
?????文件??????15503??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_hd.s
?????文件??????15692??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_hd_vl.s
?????文件??????12376??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_ld.s
?????文件??????13656??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_ld_vl.s
?????文件??????12765??2011-03-10?10:52??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_md.s
?????文件??????14073??2011-03-10?10:51??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_md_vl.s
?????文件??????15955??2011-03-10?10:51??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\startup\startup_stm32f10x_xl.s
?????文件?????633941??2011-03-10?10:51??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\stm32f10x.h
?????文件??????36557??2011-03-10?10:51??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\system_stm32f10x.c
?????文件???????2085??2011-03-10?10:51??485-ITRXDMATX-func-CRCMN\Libraries\CMSIS\system_stm32f10x.h
?????文件?????????20??2019-05-27?16:40??485-ITRXDMATX-func-CRCMN\Libraries\readme.txt
?????文件???????8982??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\misc.h
?????文件??????21690??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_adc.h
?????文件???????7555??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_bkp.h
?????文件??????27559??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_can.h
?????文件???????6573??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_cec.h
?????文件???????2162??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_crc.h
?????文件??????15233??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dac.h
?????文件???????3818??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dbgmcu.h
?????文件??????20754??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dma.h
?????文件???????6824??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_exti.h
?????文件??????25445??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_flash.h
?????文件??????27016??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_fsmc.h
?????文件??????20175??2011-03-10?10:47??485-ITRXDMATX-func-CRCMN\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_gpio.h
............此處省略172個文件信息
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