| The Embedded Vehicle Vavigation System is a system well intergrated with globle position technology, geographic information technology,communication technology and embedded technology.It offers many kinds of important services,which include navigatin and geography information,timely and efficiently for a driver.Its application greatly alleviated the trouble of city transportation system and improved the efficiency of road.Aiming at the demand of intelligent monitoring system of the construction machinery, the paper presents a method to design a Vehicle Navigation System based on the embedded Linux system,combining the GPS location technology and embedded system technology.First,we transplanted the embedded Linux system to the ARM9 platform,then realized the functions of location and navigation in this Vehicle Navigation System.In a system,hardware is the basis,and the embedded Linux operating system is the platform for software.They played the important roles in this Vehicle Navigation System.Therefore this paper focus on the study of hardware platform and embedded Linux operating system in the navigation system.Firstly,the paper briefly introduced the fundamental of the Vehicle Navigation System and its status quo and prospect domestic or abroad,described the author's main work.Then,according to the requirements of this system,we designed the systematic solution.In accordance with the solution,we designed the hardware platform:the ARM9 (S3C2410A).Analyzed the peripheral circuits design,such as Power and Clock,SDRAM,Flash,Ethernet,TouchScreen,Serial Port,USB and Audio Interface.On the basis of the deep understanding of the embedded Linux system, we introduced the details of u-boot,device drivers and kernel.Besides,Embedded GUI is an important methord to realize the interface of human-computer interaction,this part of content is also included.The experiments states that Embedded Vehicle Navigation System has reached the demand of design,has values of application and popularization.
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