基于S3C2440的网络适配器模块的设计  

Design of network adapter module based on S3C2440

作　　者：马赛飞 马尚昌[2] 刘钧 MA Saifei;MA Shangchang;LIU Jun(Henan Meteorology Detection and Data Center,Zhengzhou 450003,China;School of Electronic Engineering,Chengdu University of Information Technology,Chengdu 610225,China;China Huayun Meteorological Science and Technology Corporation,Beijing 100000,China)

机构地区：[1]河南省气象探测数据中心,河南郑州450003 [2]成都信息工程大学电子工程学院,四川成都610225 [3]中国华云气象科技集团公司,北京100000

出　　处：《电子设计工程》2022年第14期15-20,共6页Electronic Design Engineering

基　　金：国家重大科学仪器设备开发专项(2012YQ110205)。

摘　　要：为了满足传感器智能化、网络化的需求,解决气象站大量布线的问题,采用S3C2440芯片以及嵌入式Linux操作系统多进程和多线程体系设计网络适配器模块,实现与智能变送器模块通信、传感器数据处理以及远程查询等功能。详细介绍了模块硬件电路设计和数据处理与通信的程序流程图,同时为了确保网络适配器中服务器程序的稳定运行,设计了专用的守护进程,实现了网络通信,通过工具测试,可以收发通信。其具有体积小,超低功耗等优点,系统已经在气象观测实验场地长时间稳定运行。In order to meet the needs of the sensor intelligent,network and solve the weather station large number of wiring,S3C2440 chip and embedded Linux operation system of multi process and multi thread system was used to design the network adapter module,the function of communication of the intelligent transmitter module,sensor data processing and remote query etc.was achieved.The module hardware circuit design and data processing and communication flow chart were given.And also in order to ensure the stable operation of the server program in the network adapter,special daemon was designed,the network communication was realized,sending and receiving communications can be realized by testing tools.It has such advantages like small size,low power consumption,etc.The system can be used stably in the observation field for a long time.

关 键 词：S3C2440 嵌入式LINUX 传感器 智能化 网络适配器 

分 类 号：TN919.5[电子电信—通信与信息系统]