虛擬串口
標(biāo)簽: 虛擬串口
上傳時(shí)間: 2013-12-20
上傳用戶(hù):MATAIYES
51做串口實(shí)驗(yàn)的串口調(diào)試助手,不過(guò)是老版本,但是好用
標(biāo)簽: 2.2 串口 調(diào)試助手
上傳時(shí)間: 2014-02-18
上傳用戶(hù):chukeey
將單片機(jī)從串口收到的字符重新發(fā)送到串口
標(biāo)簽: 單片機(jī)串口 測(cè)試 上傳時(shí)間: 2013-10-28
上傳用戶(hù):YKLMC
sscom30丁丁串口調(diào)試工具,可以自由設(shè)置波特率,速度,方向等等!學(xué)習(xí)串口控制的必備軟件, 非常方便簡(jiǎn)單易用
標(biāo)簽: sscom 30 串口調(diào)試工具
上傳時(shí)間: 2013-11-08
上傳用戶(hù):coeus
本內(nèi)容介紹了IO模擬串口通訊的實(shí)現(xiàn)方法及實(shí)例分析
上傳時(shí)間: 2013-11-11
上傳用戶(hù):jiwy
為解決當(dāng)前計(jì)算機(jī)串行通訊接口只有USB,難以滿(mǎn)足舊型號(hào)設(shè)備或某些單片機(jī)要求RS232通訊的問(wèn)題,設(shè)計(jì)出兩款RS232/USB電路。采用CH341A與MAX223集成電路芯片構(gòu)建標(biāo)準(zhǔn)9線(xiàn)RS232/USB通用接口轉(zhuǎn)換器,無(wú)需編程。采用CH341A與PIC16F877A構(gòu)建單片機(jī)與計(jì)算機(jī)之間的USB通訊電路,軟件遵循RS232通訊協(xié)議,硬件進(jìn)行電平轉(zhuǎn)換。實(shí)際使用表明,這兩款產(chǎn)品與計(jì)算機(jī)端Windows 操作系統(tǒng)下的串口應(yīng)用程序完全兼容,且通訊過(guò)程中無(wú)握手失敗現(xiàn)象。 Abstract: To solve the problem that current computer serial communication only with USB interface can not satisfy with the old type equipments or MCU to communicate with RS232, two kinds of RS232/USB circuit were designed.CH341A and MAX223 integrated circuit chips were used to create a standard 9-line RS232/USB universal interface convertor without programme. CH341A and PIC16F877A chips were adopted to build the USB communication circuit between computers and MCU. The software follows RS232 communication protocol, and the hardware converts electrical levels. Actual practices indicate that the two manufactures are compatible with serial application program of Windows operation system completely,and get avoid of handshake lost.
上傳時(shí)間: 2013-11-03
上傳用戶(hù):siying
詳細(xì)介紹工控軟件組態(tài)王與單片機(jī)多機(jī)串口通訊的設(shè)計(jì)原理。分析組態(tài)王提供的直接與單片機(jī)串口通信方法的優(yōu)點(diǎn),給出系統(tǒng)基于RS-485總線(xiàn)傳輸?shù)慕涌陔娐吩韴D。根據(jù)組態(tài)王提供的通訊協(xié)議和單片機(jī)多機(jī)串口通訊的原理,給出程序設(shè)計(jì)流程與思路。 Abstract: In this paper,the design principle of communication between multi-SCM and KingView by serial ports is described in detail.We analysis the advantage of method supplied by KingView,by which KingView can communicate with serial ports of SCM directly,and provide the system’s interface circuit based on the RS-485transmission line.We provide flow diagram of programming and thinking on the basis of communication protocol supplied by KingView and principle of communication among multi-SCM through serial ports.
標(biāo)簽: 工控軟件 單片機(jī) 串口通訊 多機(jī)
上傳時(shí)間: 2013-12-19
上傳用戶(hù):tecman
介紹了基于單片機(jī)C8051F020的通用串口適配器的設(shè)計(jì)與實(shí)現(xiàn)方法,即由單片機(jī)控制的智能化一對(duì)多口收發(fā)信號(hào)轉(zhuǎn)換器。通過(guò)采用C51對(duì)單片機(jī)進(jìn)行編程,控制與RS-232(標(biāo)準(zhǔn)RS-232電平)、RS232(TTL電平)、RS-422接口的數(shù)據(jù)通信;采用C++ Builder作為開(kāi)發(fā)平臺(tái),通過(guò)RS-232接口實(shí)現(xiàn)上位機(jī)對(duì)適配器各個(gè)通信端口的控制。 Abstract: Design and realization of a universal serial port adapter based on the MCU C8051F020 are introduced.The adapter is an intelligent one-to-more receiving and transmitting signal converter controlled by the MCU. By programming the MCU with the language C51,MCU control data communication between the MCU and RS-232(RS-232 level),RS-232(TTL level),RS-422 port; Using C++ Builder as the development plane, by one RS232 port, the upper PC can control each of the communication port of the adapter.
上傳時(shí)間: 2013-11-19
上傳用戶(hù):hebanlian
串口與單片機(jī)通訊問(wèn)題
上傳時(shí)間: 2013-11-12
上傳用戶(hù):wbwyl
將AVR上的隊(duì)列串口驅(qū)動(dòng)程序修改后,運(yùn)行在STM32開(kāi)發(fā)板,采用中斷方式接收和中斷發(fā)送,并加入了緩沖收發(fā)隊(duì)列操作。由于該驅(qū)動(dòng)是用來(lái)操作西門(mén)子的TC35或MC55等通信模塊,所以加入了“等待串口接收完成”函數(shù),該函數(shù)需要一個(gè)10ms的定時(shí)進(jìn)行計(jì)數(shù)累加。
上傳時(shí)間: 2013-11-11
上傳用戶(hù):kaixinxin196
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