本文關(guān)鍵詞：SM750 VGA顯卡調(diào)試軟件的設(shè)計(jì)及實(shí)現(xiàn)　出處：《哈爾濱工業(yè)大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 系統(tǒng)支持工具 顯卡調(diào)試軟件 Open GL接口 幀緩存架構(gòu)

【摘要】：VGA顯卡作為通用顯示設(shè)備正逐漸成為計(jì)算機(jī)重要組成部分。在如工業(yè)控制、安防監(jiān)視、數(shù)據(jù)通訊、醫(yī)療成像等專業(yè)領(lǐng)域后端人機(jī)交互、數(shù)據(jù)分析及運(yùn)算控制過(guò)程中,嵌入式總線VGA顯卡發(fā)揮著不可或缺的支撐作用。工控主機(jī)板、安防服務(wù)器、通訊云終端、醫(yī)療監(jiān)護(hù)儀等電子產(chǎn)品設(shè)計(jì)運(yùn)行過(guò)程中出現(xiàn)顯示問(wèn)題十分常見,如操作系統(tǒng)藍(lán)屏、顯示器無(wú)輸出、屏幕白屏、屏幕花屏、顯示器水波紋、設(shè)備反復(fù)重啟、應(yīng)用程序死機(jī)。產(chǎn)品開發(fā)維護(hù)人員處理此類故障時(shí),需要使用系統(tǒng)支持工具將設(shè)備狀態(tài)獲取,然后結(jié)合軟件提供的操作選項(xiàng)做故障環(huán)境模擬、顯示問(wèn)題復(fù)現(xiàn)、系統(tǒng)功能運(yùn)行、芯片邏輯驗(yàn)證、顯卡參數(shù)調(diào)整、測(cè)試結(jié)果確認(rèn),最終技術(shù)問(wèn)題解決。為滿足上述生產(chǎn)需求,本文整理顯示相關(guān)問(wèn)題,以SM750 VGA硬件平臺(tái)為基礎(chǔ),基于Linux開發(fā)環(huán)境在操作系統(tǒng)中將圖形圖像輸出過(guò)程詳盡分解。分解后編寫顯卡調(diào)試軟件顯示功能單步運(yùn)行,并將設(shè)備執(zhí)行狀態(tài)屏幕人機(jī)界面交互反饋。采用總線枚舉技術(shù)、地址映射技術(shù)及MMIO空間技術(shù),在軟件中實(shí)現(xiàn)系統(tǒng)信息全面獲取、顯存內(nèi)容實(shí)時(shí)讀寫、顯示模式快速設(shè)置等功能。通過(guò)采用Open GL加速技術(shù)、幀緩存架構(gòu)技術(shù)、色彩空間轉(zhuǎn)換技術(shù)及ZV信號(hào)疊加技術(shù),在軟件中完成芯片邏輯逐一驗(yàn)證。以本調(diào)試軟件程序編寫、代碼開發(fā)及文章介紹為基礎(chǔ),工控、安防、通訊、醫(yī)療領(lǐng)域工程人員能快速準(zhǔn)確找到產(chǎn)品設(shè)計(jì)、運(yùn)行過(guò)程中問(wèn)題所在。更能基于客戶使用需求做有針對(duì)性顯示參數(shù)修改、程序二次開發(fā)。軟件經(jīng)各操作系統(tǒng)詳細(xì)測(cè)試,滿足不同平臺(tái)調(diào)試要求。
[Abstract]:As a general display device, the VGA graphics card is becoming an important part of the computer. In the field of back-end man-machine interaction, data analysis and operation control, such as industrial control, security monitoring, data communication, medical imaging and other professional fields, embedded bus VGA graphics card plays an indispensable supporting role. Industrial motherboard, security server, communication terminal, cloud medical monitors and other electronic products design appeared in the process of operation shows that the problem is very common, such as operating system, screen display no screen output, white screen, screen flowers screen, display equipment, water ripples, repeatedly restart the application. Product development and maintenance staff to handle such a fault, need to use the system tools to support the device state acquisition, and then combined with the software provided by the operation option fault environment simulation, display reproduction, system function operation, graphics chip logic verification, parameter adjustment, test results confirmed that the final technical problems. In order to meet the above production needs, this paper organizes and displays related problems. Based on SM750 VGA hardware platform, based on Linux development environment, we will detailedly decompose the graphic and image output process in the operation system. After decomposing, the debug software of the developing card is written to display the function of the single step, and the device is used to perform the interactive feedback of the machine interface of the state screen. The bus enumeration technique, address mapping technology and MMIO technology, to achieve a comprehensive information system, real-time acquisition, write read memory content display mode fast setting function in software. By using Open GL acceleration technology, frame buffer architecture technology, color space conversion technology and ZV signal superposition technology, chip logic is verified one by one in software. Based on the debugging software programming, code development and article introduction, engineers in industrial control, security, communication and medical field can quickly and accurately find the problems in the process of product design and operation. More can be based on customer needs to do targeted display parameters modification, program two development. The software is tested in detail by the operating system to meet the debugging requirements of different platforms.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TP311.52;TP334.7

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