基于STM32车联网网络电路搭建及分析  

Construction and Analysis of Network Based on STM32 Car Network

作　　者：罗洋坤 LUO Yang-kun(Hunan Automotive Engineering Vocational College,Zhuzhou412001,China)

机构地区：[1]湖南汽车工程职业学院,湖南株洲412001

出　　处：《机电工程技术》2018年第4期97-98,115,共3页Mechanical & Electrical Engineering Technology

基　　金：2017年度湖南省教育厅科学研究项目(编号:17C0810)

摘　　要：针对车联网应用成为一种趋势,研究采用以STM32为核心,通过设计网络电路实现与4G无线路由器组网远程通信。通过分析比较LAN8720和W5200两种网络电路方案的优缺点,最终选择基于W5200网络模块进行网络电路的设计。经过测试,基于W5200设计的网络电路存在过热导致死机和网络通信性能下降的情况,通过电源开关控制的方法可以提高网络通信性能。For the application of car networking as a trend,this study uses STM32 as the core,through the design of network circuits and 4G wireless router network to achieve remote communication.By analyzing and comparing the advantages and disadvantages of LAN8720 and W5200 network circuit schemes,the design of network circuit based on W5200 network module is finally selected.After testing,based on W5200 design of the network circuit overheating lead to crash and network communications performance degradation,through the power switch control method can improve network communication performance.

关 键 词：STM32 4G无线路由器 LAN8720 W5200 网络通信 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]