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    發布日期: 2021-03-28
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資源簡介


經過這幾天的學習與調試，終于在STM32F103VCT6+W5500(SPI1)+Freemodbus 平臺上，實現Modbus-TCP協議的功能。其實很簡單，只要熟悉Modbus-RTU通訊，明白Modbus幀的結構等，Modbus-TCP只是在原來的幀結構上加個頭，去個尾，然后用TCP傳輸即可。 關鍵的內容就是怎樣獲取W5500新接收的數據包，并發送給Modbus事件狀態機驅動協議的執行，數據的處理。 主要參考Freemodbus demo里的Modbus-TCP協議實現的思路，獲取緩存區的讀寫與發送響應。

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.
?*
?******************************************************************************/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-04-04?20:45??CMSIS\
?????文件???????17273??2010-06-07?10:25??CMSIS\core_cm3.c
?????文件???????85714??2011-02-09?14:59??CMSIS\core_cm3.h
?????目錄???????????0??2014-03-31?20:34??CMSIS\startup\
?????文件???????15766??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_cl.s
?????文件???????15503??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_hd.s
?????文件???????15692??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_hd_vl.s
?????文件???????12376??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_ld.s
?????文件???????13656??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_ld_vl.s
?????文件???????12765??2011-03-10?10:52??CMSIS\startup\startup_stm32f10x_md.s
?????文件???????14073??2011-03-10?10:51??CMSIS\startup\startup_stm32f10x_md_vl.s
?????文件???????15955??2011-03-10?10:51??CMSIS\startup\startup_stm32f10x_xl.s
?????文件??????633941??2011-03-10?10:51??CMSIS\stm32f10x.h
?????文件???????36557??2011-03-10?10:51??CMSIS\system_stm32f10x.c
?????文件????????2085??2011-03-10?10:51??CMSIS\system_stm32f10x.h
?????目錄???????????0??2014-03-31?20:34??FWlib\
?????目錄???????????0??2014-03-31?20:34??FWlib\inc\
?????文件????????8982??2011-03-10?10:47??FWlib\inc\misc.h
?????文件???????21690??2011-03-10?10:47??FWlib\inc\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??FWlib\inc\stm32f10x_bkp.h
?????文件???????27559??2011-03-10?10:47??FWlib\inc\stm32f10x_can.h
?????文件????????6573??2011-03-10?10:47??FWlib\inc\stm32f10x_cec.h
?????文件????????2162??2011-03-10?10:47??FWlib\inc\stm32f10x_crc.h
?????文件???????15233??2011-03-10?10:47??FWlib\inc\stm32f10x_dac.h
?????文件????????3818??2011-03-10?10:47??FWlib\inc\stm32f10x_dbgmcu.h
?????文件???????20754??2011-03-10?10:47??FWlib\inc\stm32f10x_dma.h
?????文件????????6824??2011-03-10?10:47??FWlib\inc\stm32f10x_exti.h
?????文件???????25445??2011-03-10?10:47??FWlib\inc\stm32f10x_flash.h
?????文件???????27016??2011-03-10?10:47??FWlib\inc\stm32f10x_fsmc.h
?????文件???????20175??2011-03-10?10:47??FWlib\inc\stm32f10x_gpio.h
?????文件???????30029??2011-03-10?10:47??FWlib\inc\stm32f10x_i2c.h
............此處省略94個文件信息

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