+++基于Android的车载移动终端系统的研究与开发

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U‘I
May 2012 Faculty of Computer Guangdong University of Technology Guangzhou,Guangdong,P.R.China,51 0006
的关注。目前国内的车载终端 功能的局限性很难在车联网领 的车载终端的研发成为当前车 载终端研发的一大热点。基于Android的车载终端是在Android系统的基础上开发新一 代车载移动终端产品。Android系统足一种以Linux为内核开发的开源操作系统,并且 支持丰富的硬件资源、广泛的应用程序、大量的网络协议以及其专门的触摸设计等, 这些特点决定了它将不可避免的成为车载移动终端的主流操作系统。 本课题是根据移动车载终端系统的主要特点,提出了一种基于ARMll和Android 系统的车载终端设计方案。根据对车载终端系统的需求分析我们将其功能主要划分为 信息服务、信息采集、车辆导航及定位、车载多媒体服务、车联网、汽车安全辅助驾 驶、停车场引导等。本文在此功能基础上对其软硬件系统设计进行了详细的分析,并 对系统中的关键技术做了更深入的研究。 硬件系统的设计主要包括处理器和各外围:笆=片的选型、数据存储的设计、GPS定 位模块的设计等。软件系统的设计主要包括三个方面:一是引导程序及底层驱动的设 计,引导程序主要负责初始化硬件、引导系统的运行及根据产品需要完成相应的功能。 底层驱动程序是上层软件与硬件之间的桥梁,上层软件通过驱动程序来控制底层硬件 完成相应的功能:二是系统软件设计,主要包括系统架构及硬件抽象层的丌发:三是应 用程序设计,其是车载终端提供给用户操作的窗口。 针对软硬件系统设计中出现的问题,本文对系统中的关键技术做了进一步的分析。 其一是系统的升级功能:采用SD卡在bootlader中升级,不仅保证了升级系统的安全 性、便利性,而且也利于不同系统间升级系统的移植;其二是系统的电源管理功能: 对于移动设备来说完善的电源管理是至关重要的,此系统具备理想的待机及唤醒功能, 使系统的电源得以有效的管理;其三足系统的3G上网功能:本系统可以通过USB直 接插入3G上网卡完成3G功能,用户可以利用3G更新软件、下载音视频、在线观看 电视、浏览网页等。
to
the upgrade system security,convenience,but also conducive to upgrade the system different systems;The second is the system’S power management features:
hot topic of research and development of vehicle
terminal.
Mobile
Android..based in.-vehicle
terminal
is in the development of

new generation of is

Terminal
and
software system
design,a
detailed analysis of the key technologies
and
the system
to do a
more in-depth study.
The
the
hardware system
design
including the selection of processor
第一章绪论………………………………………………………………………………….1 1.1课题研究背景及意义………………………………………………………………….1 1.2国内外研究现状及发展趋势……………………………………………………….1 1.3本论文的主要研究内容……………………………………………………………2 1.3.1研究的主要内容………………………………………………………………2 1.3.2解决的关键问题………………………………………………………………3 1.4论文的组织安排…………………………………………………………………….4 第二章车载移动终端系统分析………………………………………………………………5 2.1需求分析…………………………………………………………………………….5 2.1.1用户需求……………………………………………………………………。5 2.1.2系统功能………………………………………………………………………5 2.1.3系统扩展性…………………………………………………………………。6 2.1.4性能需求………………………………………………………………………7 2.1.5升级需求……………………………………………………………………….7 2.2资源分析……………………………………………………………………………。8 2.2.1系统体系结构…………………………………………………………………8 2.2.2硬件系统总体设计……………………………………………………………9 2.2.3软件系统总体设计…………………………………………………………..10 2.3可行性分析………………………………………………………………………。11 2.3.1系统前景…………………………………………………………………….11 2.3.2系统合理性分析…………………………………………………………….12 第三章硬件系统的分析与设计…………………………………………………………….14 3.1数据处理控制模块………………………………………………………………。14

wide range of applications,a large number of design,these characteristics
network
will
protocols and
dedicated touch
car
determine
that it
inevitably
become
mainstream
product
on
the basis of the
operating
Android system.The Android system
system,and
supports

Linux kernel
development,open
source
rich
set
of hardware resources,a
and peripheral
chips,
design
of data storage,GPS positioning module
design.Software
system
design
mainly
includes three aspects:First,the
design
of the boot
program
operating system for mobile
terminals. terminal
system,a vehicle
Fra Baidu bibliotek
This topic is
design based
on
the main features of the mobile vehicle
terminal
the ARM 1 1 and
and
video,watch TV online,browse the web.
Keyword:Vehicle;mobile terminal;the Android;vehicle
networking;3G
IV
………………………………………………………..I .………….….………………….….….…………..III .…………….….…………….……….…………….1~, Contents………………………………………………………………………………………………………………..VIII
11845 21 10905032
工学硕士
基于And r o i d的车载移动终端系统的
研究与开发
方胜
指导教师姓名、职称:奎拯垃塾握盐蕉副数拯
学科(专业)或领域名称: 学生所属学院: 论文答辩日期:
让篡扭廑旦垫苤
主£篡扭堂院 三Q=三生五旦
A Dissertation Submitted to Guangdong University of Technology for the Degree of
access:The
system
Can be inserted directly through the
USB 3G Internet card to
complete 3G-enabled,users
audio
Can
take
advantage
of the 3G update the software,download
design,
including the development of the system architecture
and the hardware
abstraction layer;
广东工业大学硕士学位论丈
application design,the vehicle terminal window to the
and the underlying driver,the the operation of the system driver is

boot loader is responsible for initializing the hardware,to
guide
and the
need to complete the corresponding
Master of Engineering Science
Based
on
the Android Mobile Terminal system research and development
Master Candidate:Fang Sheng
Is Zhenkun hen rL o i vrepU Lin uS Supervisor:Li
广东5-业大学硕士学位论文
关键词:车载;移动终端;Android;车联网;3G
networking greatly developed,based
terminal developed to become

on
the operating system of open,intelligent vehicle
Android
system.According
to
the demand for vehicle
terminal
system
analysis
we
will
be its main function is divided into
information
services,
information
collection,vehicle
user
operation.
Hardware and software system design problems,the key technologies in the system for further analysis.One is
ensure a
system upgrade features:SD card upgrade in bootlader,not only
navigation
and
positioning,in—car
multimedia services,
on
vehicle networking,Car safety,driving assistance,parking guide.This function of its hardware
the basis
migration between
mobile equipment for improved power management is critical to this system with the ideal
standby and wake—up function,the power of the system to be effective management;its 3G Internet
function.The underlying
bridge
between
the top software
and
hardware,the upper level software driver to control the
underlying hardware
to complete the corresponding function;system software
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