The Design And Study Of Embedded Experimental System Based On ARM Embedded System

Along with the development of information technology and the widespread application of Internet, the embedded system has been applied in many domains, such as network, communication devices, national defense system, vechicle, electronic devices and automatic control. In 21st century, the embedded system is becoming one of the fastest developing domains. In order to study and use embedded system technology, many domestic universities are launching or planning to launch the teaching of embedded system. Therefore, it is urgent to develop suitable experimental system for teaching embedded system.In this paper, upon the analysis of all kinds of existing experimental system, an ARM based embedded system is proposed as well as designed. At first, the paper generally introduces the concept, design flow and development situation of embedded system, and analyses the necessity of teaching embedded system. Second, according to requirement analysis, function plan and teaching arrangement, this paper describes the design of an ARM based hardware platform, discusses some details of the design and implementation, including critical circuits and diagrams. In the third section, this paper studies the startup and transplantation of an embedded operating system, uCLinux, modifies the Bootloader and finishes its customization. In the final section, it is about the embedded network function and Boa Web Server, upon which the remote control of input and output in embedded system through internet is realized, and the internet based analog signal sampling function becomes available, the client can visit the embedded website through a browser and tell the embedded system to perform the functions contained.The experimental results show that the design is feasible and meets all requirements.