汽车CAN总线系统的设计与软件实现.doc

本科生毕业论文 汽车CAN总线系统的设计与软件实现 CAN bus system design and software realization  汽车CAN总线系统的设计与软件实现 摘 要 【研究目的】了解汽车CAN总线网络系统结构，应用及其特点，对汽车CAN总线设计的研究和软件实现方法进行讨论与分析，提出CAN总线设计方案；【意义】本文的研究，可以作为我国自主研究开发汽车局域网的有益探索，对我国实现国产汽车信息化具有一定的指导意义。【方法】本文通过对CAN总线的理论探究，对各种CAN总线的设计与软件实现方法进行对比，得出一种新型的设计理念；【结果】 在设计CAN总线的基础上，针对系统的特点采用前后台的软件开发模式，用C语言编写了信号采集、通信和处理程序，基本实现了整个网络的软件设计。【结论】随着我国近年来汽车行业的迅猛发展，国内汽车行业与国际汽车行业的技术接轨，国家863计划的硬性要求和汽车功能的日益增加，车身CAN总线控制技术与其传统技术无法比拟的优越性，必定将会有越来越大的市场要求。 关键词：CAN总线、节点、MCP2510、AT89C51、软件实现 Abstract 【 objective 】 know car CAN bus network system structure, the application and characteristics of the car CAN bus design of research and the software realization method discussed and analyzed, and puts forward a CAN bus design project; 【 meaning 】 this study, can be used as our country of autonomous research and development of automobile LAN useful exploration, for our country to realize domestic cars informatization has certain directive significance. 【 methods 】 this article through to the theory of CAN bus to explore, to all sorts of CAN bus design and the software realization method is compared, and draw a new design concept; 【 results 】 in the design of CAN bus, based on the characteristics of the system QianHouTai using software development model, written in C the signal acquisition, communication and processing procedures, basically achieved the whole network of software design. 【 conclusion 】 along with our country in recent years, the rapid development of auto industry, domestic automobile industry and international automobile industry technology standards, the national 863 plan of the rigid requirements and car function of the growing, body CAN bus control technology and its traditional technology and the incomparable advantages, will surely there will be more and more market requirements. Key words: CAN bus, node, MCP2510, AT89C51, software realization 目 录 摘 要 I Abstract II 目 录 III 图 目 录 V 表 目 录 VI 绪 论 1 1 汽车总线技术概述 2