本文選題：嵌入式系統(tǒng)　切入點(diǎn)：Linux　出處：《西安工程大學(xué)》2013年碩士論文

【摘要】：在當(dāng)前計(jì)算機(jī)技術(shù)、通信技術(shù)以及網(wǎng)絡(luò)技術(shù)迅速發(fā)展的后PC時(shí)代，嵌入式系統(tǒng)已經(jīng)滲透到我們生活的各個(gè)方面，尤其是便攜式儀器的廣泛應(yīng)用，人們對(duì)嵌入式產(chǎn)品的要求越來(lái)越高。圖形用戶(hù)界面作為人機(jī)交互的重要內(nèi)容，和通用的圖形用戶(hù)界面系統(tǒng)相比，嵌入式系統(tǒng)下的圖形界面需要具有輕型、占用資源少、高性能、可靠性高、可定制等特點(diǎn)。因此，嵌入式產(chǎn)品不僅需要好的功能和性能，更重要的是有友好、容易交互的圖形用戶(hù)界面。 論文的主要工作是對(duì)嵌入式系統(tǒng)下便攜式儀器開(kāi)發(fā)的關(guān)鍵技術(shù)進(jìn)行研究，在本文的研究基礎(chǔ)上利用Linux作為底層嵌入式操作系統(tǒng)，其上使用MiniGUI作為GUI系統(tǒng)，結(jié)合文件中數(shù)據(jù)的組織與存儲(chǔ)，設(shè)計(jì)并實(shí)現(xiàn)了一個(gè)基于嵌入式ARM-Linux平臺(tái)的測(cè)試儀圖形用戶(hù)界面控制系統(tǒng)。在本文關(guān)鍵技術(shù)研究過(guò)程中，完成了交叉編譯環(huán)境的建立、BootLoader的實(shí)現(xiàn)、Linux內(nèi)核的裁剪與移植、文件系統(tǒng)的建立、MiniGUI的裁剪與移植、嵌入式數(shù)據(jù)的組織與存儲(chǔ)等工作。 本文首先介紹了嵌入式系統(tǒng)的概念、通過(guò)對(duì)圖形用戶(hù)界面在嵌入式操作系統(tǒng)中的地位以及嵌入式系統(tǒng)對(duì)圖形用戶(hù)界面的基本要求的介紹，然后從組成結(jié)構(gòu)、系統(tǒng)功能等方面對(duì)幾種主流的嵌入式GUI系統(tǒng)進(jìn)行了比較，最終選擇了具有跨平臺(tái)、輕型、占用資源少、高性能、高可靠性和可配置等特點(diǎn)的MiniGUI作為圖形用戶(hù)界面開(kāi)發(fā)工具。在此基礎(chǔ)上，簡(jiǎn)要介紹了嵌入式系統(tǒng)的軟硬件開(kāi)發(fā)平臺(tái)的搭建、MiniGUI開(kāi)發(fā)環(huán)境的構(gòu)建，，并詳細(xì)介紹了嵌入式下交叉編譯環(huán)境的建立，Linux內(nèi)核的裁剪與移植，MiniGUI運(yùn)行環(huán)境的配置，MiniGUI的使用方法、裁剪與移植，最終實(shí)現(xiàn)了對(duì)MDK9263-G開(kāi)發(fā)板的界面支持，完成了構(gòu)建嵌入式圖形用戶(hù)界面系統(tǒng)的準(zhǔn)備工作。 最后，對(duì)嵌入式MiniGUI中圖形界面基本元素、消息機(jī)制、窗口過(guò)程等方面的先進(jìn)技術(shù)進(jìn)行了分析。通過(guò)對(duì)便攜式測(cè)試儀的需求和MiniGUI用戶(hù)界面開(kāi)發(fā)過(guò)程的分析，進(jìn)行了圖形用戶(hù)界面的設(shè)計(jì)與開(kāi)發(fā)，實(shí)現(xiàn)了適用的圖形用戶(hù)界面，并且對(duì)軟件系統(tǒng)進(jìn)行了模塊測(cè)試和綜合測(cè)試，保證了系統(tǒng)的安全性、可靠性及容錯(cuò)性。 此外，在分析了系統(tǒng)的結(jié)構(gòu)與性能的基礎(chǔ)上，針對(duì)現(xiàn)有系統(tǒng)的不足之處提出了改進(jìn)意見(jiàn)，對(duì)后續(xù)的開(kāi)發(fā)工作提出了展望。
[Abstract]:In the post-PC era with the rapid development of computer technology, communication technology and network technology, embedded system has penetrated into all aspects of our life, especially the wide application of portable instruments. As an important part of human-computer interaction, the graphical user interface (GUI) needs light, less resources and high performance, compared with the general GUI system. Therefore, embedded products not only need good function and performance, but also have friendly and easy interactive graphical user interface. The main work of this paper is to study the key technology of portable instrument development in embedded system. On the basis of this research, Linux is used as the underlying embedded operating system, and MiniGUI is used as GUI system. Combined with the organization and storage of the data in the file, a graphical user interface control system of the tester based on embedded ARM-Linux platform is designed and implemented. The implementation of cross-compiling environment is accomplished, such as cutting and transplanting Linux kernel, constructing file system and transplanting MiniGUI, organizing and storing embedded data and so on. This paper first introduces the concept of embedded system, through the introduction of the status of graphical user interface in embedded operating system and the basic requirements of embedded system for graphical user interface, then from the composition structure, This paper compares several mainstream embedded GUI systems in terms of system functions, and finally chooses cross-platform, light, less resources, high performance, and so on. MiniGUI, which has high reliability and configurable characteristics, is used as a graphical user interface development tool. On this basis, this paper briefly introduces the construction of hardware and software development platform of embedded system and the construction of MiniGUI development environment. This paper also introduces in detail the establishment of cross-compiling environment under embedded environment and how to cut and transplant the Linux kernel and the configuration of MiniGUI running environment. Finally, the interface support of MDK9263-G development board is realized. The preparation of the embedded graphical user interface system is completed. Finally, the basic elements of graphical interface, message mechanism, window process and other advanced technologies in embedded MiniGUI are analyzed. The requirements of portable tester and the development process of MiniGUI user interface are analyzed. The design and development of the graphical user interface is carried out, and the suitable graphical user interface is realized. The software system is tested by module and comprehensive test, which ensures the security, reliability and fault tolerance of the system. In addition, on the basis of analyzing the structure and performance of the system, the paper puts forward some suggestions for improvement of the existing system, and puts forward the prospect for the future development work.
【學(xué)位授予單位】：西安工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TP368.1

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