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Design and Implementation of Man-Machine Interaction Module for Embedded Multi-Protocal Switches

Author: QuJing
Tutor: LeiYou
School: Beijing University of Posts and Telecommunications
Course: Software Engineering
Keywords: ARM LINUX Human-computer interaction module Embedded TELNET XML
CLC: TP368.12
Type: Master's thesis
Year: 2010
Downloads: 62
Quote: 1
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Abstract


With the rapid development of networking technology , the network has now become an important social information distribution channels , different companies of the world in various fields have reached a consensus on the device networking \Equipment , bus equipment and Ethernet devices these different Internet protocol standards will become the problems to be solved , there are a variety of different protocol standards in industrial control and communication equipment , how to make the serial port . To solve this problem , this switch can achieve remote control , remote data transmission and other functions of the device . Involved in multi-protocol switch to meet both retain the original old equipment not be eliminated , and it can be interconnected to exchange data . An essential module in the switch device is the human-computer interaction module , including configuration management module , device state management module , device initialization module three sub-modules . The contents of this article is to complete the design of human-computer interaction , multi-protocol switch module and is intended as a general description of the concept and characteristics of embedded systems , Linux-based system development process in the development of embedded devices , cross-compiler process of transplantation Libxml library . Switching equipment through man-machine interaction module initialization , remote configuration , status monitoring and management capabilities . The work done by this paper include the following aspects : First, telnet server on the switch , the user can use any universal client access to the local switch or a remote switch ; design a user command parser , the realization of interface function to the user command parsing function ; compiled the operating system kernel and create a root file system cramfs ; cross compiler Libxml2, using XML technology to generate and manipulate the configuration file ; five is the form of a set of unified design various protocol processing module , coding work greatly simplified ; six to is modeled ICMP protocol switch between PING function . Eventually forming a complete man-machine interaction module , and passed the test of the test cases .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Micro-computer > A variety of micro-computer > Microprocessor
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