基于WEC7系统的平板计算机的研究与实现

发布时间：2018-05-10 11:52

本文选题：WEC7 + 平板电脑　；参考：《武汉理工大学》2013年硕士论文

【摘要】：随着苹果公司推出一系列IPAD,平板电脑凭借着其优秀的性能、用户体验以及良好的移动性、便携性,受到越来越多人的喜爱与认可。平板电脑具有合适的尺寸,拥有触摸屏,可以很方便的访问和收集数据,在特定的行业,写入特定的程序,就可以创造针对特定需求的解决方案。现阶段,平板电脑在车载系统、多媒体设备、医疗设备、工业控制等方面还有巨大的发展潜力和空间。本设计通过讨论现阶段平板电脑的现状和发展趋势,以ATMEL公司设计的微处理器AT91SAM9G45为核心,以Windows Embedded Compact7(WEC7)作为操作系统,设计一款基于ARM架构与WEC7系统的平板电脑原型,平板电脑的开发包括三个部分：硬件、操作系统、应用程序,本项目工作只涉及硬件与操作系统方面。在硬件平台上,研究了AT91SAM9G45微处理器的架构以及其特性,完成AT91SAM9G45外围接口部分的硬件电路设计,对系统硬件平台中的主要模块进行了详细的介绍,包括：DDR2SDRAM, NandFlash、LCD、触摸模块、串口、JTAG、SD\MMC等。在软件平台上,即操作系统方面,主要做了以下工作： (1)对微软发布的嵌入式操作系统WEC7进行了深入的探讨,分析了WEC7系统的特点、新特性、开发环境、WEC7系统一般的开发流程以及开发WEC7系统中常用的开发工具等。 (2)完成WEC7系统开发环境的搭建,根据需要定制自己的WEC7系统,分析了WEC7系统中的BSP及其结构,BSP包含五部分：启动程序Bootloader、 KITL、OAL、配置文件以及驱动程序,本文中对BSP中的每一部分给出详细的介绍并且列出其实现过程, (3)深入的研究了WEC7系统驱动程序的结构和分类,并且以LCD模块、触摸屏模块、音频模块驱动开发为例,详细的介绍了WEC7系统中设备驱动程序的实现过程。本文设计了AT91SAM9G45处理器外围设备硬件接口,对WEC7系统BSP进行了深入的分析,最终实现了一个通用的平板电脑原型,系统的软硬件运行正常,达到了预设的目标。
[Abstract]:With the introduction of a series of IPADs from Apple, tablets are becoming more and more popular and recognized for their excellent performance, user experience and mobility and portability. Tablets have the right size, touch screens, easy access to and collection of data, in a particular industry, write specific programs, you can create solutions to specific needs. At present, the tablet computer in the car system, multimedia equipment, medical equipment, industrial control and other areas of great potential and space. This design discusses the current situation and development trend of tablet computer at the present stage. With the microprocessor AT91SAM9G45 designed by ATMEL Company as the core and Windows Embedded Compact 7 / WEC7 as the operating system, a tablet computer prototype based on ARM architecture and WEC7 system is designed. The development of tablet computer includes three parts: hardware, operating system, application program. On the hardware platform, the architecture and characteristics of AT91SAM9G45 microprocessor are studied, and the hardware circuit design of AT91SAM9G45 peripheral interface is completed. The main modules of the hardware platform are introduced in detail, including: DDR2 SDRAM, Nand Flash LCD, touch module, serial port JTAG SD\ MMC, etc. On the software platform, that is, the operating system, the following work has been done: This paper deeply discusses the embedded operating system WEC7 released by Microsoft, analyzes the characteristics and new features of WEC7 system, the general development process of the development environment of WEC7 system and the development tools commonly used in WEC7 system, and so on. 2) finish the construction of the WEC7 system development environment, customize its own WEC7 system according to the need, analyze the BSP and its structure in the WEC7 system including five parts: Boot loader, kit Oale, configuration file and driver. This article gives a detailed introduction to each part of BSP and lists its implementation process. In this paper, the structure and classification of WEC7 system driver are deeply studied, and the implementation process of device driver in WEC7 system is introduced in detail, taking the development of LCD module, touch screen module and audio module as examples. In this paper, the hardware interface of peripheral equipment of AT91SAM9G45 processor is designed, and the BSP of WEC7 system is deeply analyzed. Finally, a general tablet computer prototype is realized. The software and hardware of the system are running normally and the preset goal is achieved.
【学位授予单位】：武汉理工大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TP316.7;TP368.32

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