基于LPC2378的嵌入式多协议网关设计  

Design of Embedded Multi-Protocol Gateway Based on LPC2378

作　　者：陈煜[1] 白雪杨[2] 张捷[1] 吕明 

机构地区：[1]南京理工大学自动化学院,江苏南京210094 [2]中国电子科技集团公司第28研究所,江苏南京210007 [3]南京北方信息控制集团有限公司,江苏南京211153

出　　处：《工业控制计算机》2014年第6期24-25,27,共3页Industrial Control Computer

基　　金：国家自然科学基金(61104109);江苏省自然科学基金(BK2011703);江苏省科技支撑与自主创新资金资助(BE2012178);博士点基金(博导类)(20113219110027)

摘　　要：网关以ARM7处理器LPC2378为核心,结合多种通信接口芯片,实现了RS232、RS485、CAN总线和以太网的互连通信。从软硬件两方面介绍了网关的设计,硬件部分包括各通信模块的接口电路设计,软件部分介绍了模块数据协议转换的实现。该网关很好地解决了工控网络设备层和信息层的衔接问题,具有良好的实用性和应用前景。The gateway based on ARM7 processor LPC2378 is designed to implement interconnection communication of RS232,RS485,CAN bus and Ethernet with various of communication interface chip.The design of the gateway is introduced from twoaspects of hardware and software,the hardware part is the interface circuit design of each communication module,and thesoftware part is introduced how to implement the data protocol conversion.This gateway with good practicability and applicationprospect has effectively solved the problem of connection between industrial control network devices and information layer.

关 键 词：LPC2378 嵌入式 多协议转换 以太网 网关 

分 类 号：TP393.05[自动化与计算机技术—计算机应用技术]