data keyboard 中文意思是什麼

According to the requirements of disign, the system apply mcu at89c2051 to extend 32 keybords, and meantime the system can use battery which can be recharged to supply power. as a whole, the system charact eristic of inputting by keyboard and interacting by chinese characters can display and store spectrum data automatically and accomplish data handling. what ' s more. the system can communicate with other computers by the interface of rs - 232c

同時，為了實現人機交互，系統採用at89c2051擴展了32鍵鍵盤。在系統的供電方面系統可採用充電電池供電。總體來說，系統採用按鍵輸入，漢字人機對話，能自動顯示和存儲測量譜線，並完成數據處理工作，除此之外，系統可通過rs - 232c與其它計算機聯機使用。

In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。

Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。

Count that judge key assignments and interrupt accomplish the function of keyboard. two chip of saa1064 with i2c interface compose 8 bit led display subsystem. thus the configuration are simplified. at24c01 is selected for the data memory chip

而鍵盤採用了計數判斷鍵值和中斷的相結合方式；同時八位led顯示子系統採用基於i ~ 2c總線的saa1064晶元構成的顯示子系統，簡化了系統的結構。

In the project, the work completed by the author is as followed : ( 1 ) answer for events " transmition, which are transmitted to application programs, and correspondly dealt ; ( 2 ) answer for all of the handware drivers, included lcd display driver, flash driver, e2prom driver, sound driver, gsm status monitorer driver, keyboard driver, uart driver, real - time controller driver, hung - up monitorer driver ; ( 3 ) answer for all problems related with hardware drivers ; ( 4 ) answer for the tools for write data to flash, such as programs, font libraries

該項目中，本人完成了以下幾方面的工作： （ 1 ）負責所有消息的驅動，使上層應用程序能夠接收到底層硬體設備產生的消息，並做相應處理； （ 2 ）負責所有硬體驅動程序的設計和調試。驅動程序包括lcd顯示驅動、 flash驅動、 e ~ 2prom驅動、聲音驅動、 gsm模塊狀態監控驅動、鍵盤驅動、串口驅動、實時鐘驅動、電源管理、摘掛機檢測驅動，共10部分。 （ 3 ）負責解決遇到的所有與驅動相關的問題。

If the host pulls clock low before the first high - to - low clock transition, or after the falling edge of the last clock pulse, the keyboard / mouse does not need to retransmit any data

如果在第一個高- >低時鐘跳變時， （或者在最後一個時鐘脈沖的下降沿之後）主機將時鐘拉低，鍵盤/鼠標不必重新傳輸任何數據。

The asic chip embedded with bluetooth is usually employed as keyboard mouse equipment controller at present, so that is complicated and expensive to realize. noteworthily a new style of design is developed in the article : a 51 mcu is employed as keyboard mouse equipment controller while controlling bluetooth module as host, which give full play to 51 mcu and make the product at low cost, the design has sure practicability and innovative ; the software of pc end is designed as operating in the backstage, which receives data from usb interface to simulate the function of the keyboard and mouse. the design is easy, the thought is ingenious

由於目前常見的藍牙鍵盤鼠標設備控制器都是用嵌入藍牙核的asic晶元實現，所以實現復雜而且價格昂貴，而文中設計獨辟蹊徑：用一片51單片機作鍵盤和鼠標的微控制器，兼作控制藍牙模塊的主機，充分發揮了51單片機的性能，實現了低成本設計，具有一定實用性和創新性； pc機端軟體則設計為運行在後臺的應用程序，接收usb介面數據並進行處理，以模擬鍵盤鼠標功能，這一設計簡單易行，思路巧妙。

In this system, software include main program model, scanning keyboard subprogram model, collecting data subprogram model and suspending model etc. main - program is the monitoring program of the system which initiate every part

本系統的軟體設計主要分為主程序模塊、鍵盤掃描子程序模塊、數據採集子程序模塊、中斷處理子程序模塊等。其中主程序是系統的監控程序，主要對系統中各部分進行初始化工作，其他子程序只是實現各部分功能。

As a result, the following subroutines are programmed : keyboard scanning, a / d sample, lcd displaying, data computing and dealing, serial communication, diagram printing and control modules. these designs not only simplified the program structure, but also improved real - time performance, security, and precision of the system. moreover, the time of debug the system ' s software is saved

並在此基礎上，採用模塊化程序設計方法，設計出了a d采樣子程序、鍵盤掃描子程序、印表機驅動子程序、液晶顯示子程序、大容量靜態存儲器的驅動子程序以及整個程序的主控製程序等，不僅使程序結構清晰，而且也提高了系統的實時性、可靠性和精度，同時節省了系統軟體調試時間。

It contains such modules as data gathering, data memory, keyboard scanning, displaying output and communication module. it can gather, reserve, display, and scan the data at several time data memory instrument can transfer the data from several portable measuring instruments to computer. data management system can output look up statistic and print the data

系統主要由數據採集模塊、數據存儲模塊、鍵盤掃描模塊、輸出顯示模塊和通訊模塊組成，能定時完成環境參數的採集、存儲、顯示瀏覽等功能；數據轉存器能完成將多臺數據轉存器的數據轉存於計算機；數據管理系統軟體能實現環境參數的顯示、查詢、統計和列印等功能。

In the designation of system software, the author applies the idea of software engineering, adopts the modular designing method, and makes full use of the functions what the mcu offers, such as a / d function, interrupt function, pwm function, and software timer function. as a result, the following subroutines are programmed : keyboard scanning, a / d sample, led displaying, data computing and dealing, software timer and control modules. eventually, the problems, solutions and the personnel experience in designing and debugging are summarized

在軟體設計上，主要使用c196和匯編語言混合編程的方式，採用模塊化程序設計方法，設計出了a d采樣子程序、鍵盤掃描子程序、中斷采樣子程序、 led顯示子程序、數據計算及處理子程序、工縫機各種控制功能的實現模塊等最後，總結出作者在系統設計調試時所遇到問題、解決措施和個人心得體會。

File paths and names, lines of code, and data that you enter using your keyboard

您用鍵盤輸入的文件路徑和名稱、代碼行和數據。

With the rapid development of information technology, all kinds of portable electronic products and personal digital assistants are coming forth, the information source of these products partly roots in newspapers and journals, if the literal data could be acquired in optical scan mode instead of traditional keyboard input mode, human hands will be further liberated. on the other hand, the digital signal processor ( dsp ) specially designed for high - speed digital signal processing is playing an important role in the digital field, and the dsp with high processing speed and excellent operation performance is particularly adapted to image processing and character recognition. in consequence of this status, making use of new technology, this thesis researches into miniature intelligent reading system based on dsp and then presents a system solution of it

隨著信息化技術的飛速發展，各種便攜式電子產品和個人助理不斷涌現，這類產品的信息來源有很大一部分都是報紙、書刊等文字資料，如果以文字的光掃描輸入取代傳統鍵盤輸入將會進一步解放人的雙手；同時專門為高速數字信息處理而設計的數字信號處理器（ dsp ）也成為數字化領域的重要角色， dsp的高速度和良好的運算性能特別適合於圖像處理和文字識別。

Text and office systems - keyboards - german keyboard for data and text processing, as well as for typewriters, information on graphic characters or symbols

文本和辦公設備.鍵盤.數據和文本加工以及打字機用德

I selected the user datagram protocol as transport protocol, and formulated application protocol, so that the server can receive the orders from the client and do anything ordered by the client. data is transported by " stream " that is object - oriented abstract data between the client and the server in the lan, and i also use tumudp to transmit and receive " stream ". many api functions are used in my paper in order to control the keyboard and the mouse of the remote computer, and also control its system ability ( such as turn off or reset it )

位於同一局域網內的服務器和客戶機之間採用用戶數據報協議（ udp ）作為運輸層通信協議，論文作者還制定了功能編碼，使得服務器能夠解釋客戶機通過網路發送的命令，並根據命令進行操作；論文以建立在面向對象基礎上的抽象數據類型「流」作為傳送數據的載體，通過delphi提供的nmudp控制項進行「流」的發送和接收以實現服務器和客戶機之間的交互。

Making sure keyboard function locked by key or password is normal. it can change measuring range, alarming data, and output signal restrict

確認由鍵鎖或口令啟動的操作員鍵盤功能操作正常，能改變測量范圍，報警值及輸出信號限制等。

Specification for keyboard allocation of graphic characters for data processing

數據處理用圖形字元鍵盤排列規范

The industry control computer is make up of lcd, hard disk, face pattern keyboard and net cards and modem etc, and can monitor waveform and data on the spot, and data can be passed to monitor center far away to be analyzed further by way of local area network and public telephone net

工控機自帶有液晶、硬盤、面模鍵盤、網卡、數據機等，可以在監測點就地顯示監測波形和數據，而且可以通過局域網、公共電話網遠傳到監測中心進行進一步的分析研究。

Office machines ad data processing equipment - keyboard layouts for numeric applications

辦公機器廣告數據處理設備.數字鍵盤布局

First introduces hardware platform of mine monitoring system that adopt embedded pcm - 3350 to be as main controller, big - capability memorizer cf card as memories, 10. 4 inch lcd liquid crystal screen as display, pcm - 3612 as communication extend cell ; rs232 and keyboard as i / o interface to realize data dispose, storage and transport function, and so on. then introduces some basic concept and core character about embedded operating system windows ce. at the same time, the paper has a detailed introduction about platform - configured tool platform builder of mbedded operating system windows ce and a detailed narration abut the whole process of configuring the embedded operating system base on yanhua pcm - 3350, then the paper depletes the characteristic function and system framework of embedded configuration software mcgs generally and introduces the design process about configuration software of mine monitoring - control system ; at last, the paper introduces main function of rk512 communication protocol that can ensure reliable communication with controller plc of bottom machine

首先介紹了硬體平臺的搭建：採用嵌入式pcm - 3350作為主控制器；大容量的存儲器cf卡作為存儲設備；採用10 . 4寸lcd液晶屏作為顯示設備； pcm - 3612作為通信擴展單元；用rs232和鍵盤作為i o介面來實現數據的處理、存儲和傳輸等功能；然後又介紹了嵌入式操作系統windowsce的一些基本概念、核心特性，同時對嵌入式操作系統windowsce的平臺定製工具platformbuilder做了一些介紹並詳細敘述了使用platformbuilder定製基於研華pcm - 3350的windowsce操作系統的過程；接著概括敘述了可運行在windowsce上的嵌入版組態軟體mcgs的特點、功能、體系結構並詳細介紹了礦山檢測系統的組態軟體設計過程；最後介紹了能夠與下位控制器plc可靠通訊的rk512通訊協議的主要函數。