基于IMX535的平板电脑设计

发布时间：2018-03-06 16:54

本文选题：平板电脑　切入点：Android　出处：《南昌航空大学》2012年硕士论文　论文类型：学位论文

【摘要】：目前，随着集成芯片的快速发展，使得平板电脑作为一个新生产品出现，具有照相、听音乐、看电影、GPS导航、上网、打电话等各种功能，最大的特点是它的体积很小，非常方便携带，因此越来越受到人们的喜爱。平板电脑操作系统有Android、苹果、Win7等操作系统，Android作为唯一开源的操作系统受到大量企业的追捧，平板电脑的开发主要包过3个过程：硬件、驱动、应用程序。本文主要对硬件和驱动进行分析，对平板电脑的各种用途和产生的原理做专门的介绍。硬件平台核心处理器采用的飞思卡尔公司的IMX535,并与FLASH、SDRAM、电源以及各种外部设备一起组成平板电脑的完整系统。本文对各个设备的驱动电路设计和程序设计及其调试进行了深入的分析，并且对整个平板电脑整体架构，从开机启动到如何执行到各个模块功能，系统如何进行更新和还原进行分析，电源系统采用MC34708芯片，这是专门为IMX51系列处理器定制的电源管理芯片。平板电脑用途很广泛，既可以做为消费电子，还可以用于车载、医疗等专门用途，设备驱动作为平板电脑开发最关键的地方，决定了设备能否使用，给上层应用提供各种接口。本文将重点讲解的内容如下：3G语音通信，包含了3G模块的开启以及音频各个通道的相互切换；双摄像头功能，，摄像头的切换以及摄像头各种模式的实现；存储器INAND与NAND的区别，以及分区方式；GPS；按键功能；开机图片和动画；更新功能Recovery模式，介绍更新全部过程；LCD、TV-OUT和HDMI各种显示之间的切换；蓝牙wifi模块的调试已经蓝牙键盘功能的实现；多点带按键触摸屏调试与实现过程。
[Abstract]:At present, with the rapid development of integrated chips, tablet computers have emerged as a new product with many functions, such as photography, listening to music, watching movies and GPS navigation, surfing the Internet, making phone calls, etc. The biggest feature is that it is very small in size. Very easy to carry, so more and more people like it. Android, the only open source operating system for tablet computers, has been popular with a large number of companies. The development of tablets has gone through three main processes: hardware, drivers, and so on. This article focuses on the analysis of hardware and drivers, The hardware platform core processor used in Freescale's IMX535, together with flash SDRAM, power supply and various external devices, constitute the complete system of tablet computer. In this paper, the driving circuit design and program design of each device and its debugging are deeply analyzed. And the whole structure of the tablet computer, from startup to how to execute to each module function, the system how to update and restore analysis, power system using MC34708 chip, This is a power management chip tailored for IMX51 series processors. Tablets are widely used as consumer electronics, as well as for vehicular, medical and other specialuses. Device drivers, as the most critical part of tablet development, determine whether the device can be used. The main contents of this paper are as follows: 3G voice communication, including the opening of 3G module and the switching of audio channels. The switch of camera and the realization of various modes of camera; the difference between memory INAND and NAND, and the partition mode of GPS; keystroke function; boot picture and animation; update function Recovery mode, This paper introduces the switching between the display of LCD-TV-OUT and HDMI, the debugging of Bluetooth wifi module and the realization of Bluetooth keyboard function, and the debugging and realization of touch screen with multi-point button.
【学位授予单位】：南昌航空大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP368.3

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