基于DSP的电动舵机用高速串口通信设计  

Design of high-speed serial port communication for electro actuator based on DSP

作　　者：李红燕 杨珍书 Li Hongyan;Yang Zhenshu(Aeronautical Engineering Institute,Jiangsu Aviation Technical College,Zhejiang Jiangsu 212134,China;Zhenjiang Key Laboratory of UAV Application Technology,Jiangsu Aviation Technical College,Zhejiang Jiangsu 212134,China)

机构地区：[1]江苏航空职业技术学院航空工程学院,江苏镇江212134 [2]江苏航空职业技术学院镇江市无人机应用重点实验室,江苏镇江212134

出　　处：《信息通信》2019年第7期49-51,共3页Information & Communications

基　　金：2018江苏航空职业技术学院校级课题(JATC19010109)

摘　　要：介绍一种基于DSP的高速串口通信方法,利用DSP芯片内部SCI模块与外部驱动电路连接,采用RS422通信协议,实现高速串口通信。DSP采用C语言对通信数据进行打包、收发、解析等编程处理;上位机采用LabVIEW图形化的编程语言简化底层驱动编写,实现串口通信应用程序的开发。实验结果表明,通过上位机发送指令,利用RS422通信电路能实时、有效实现电动舵机控制。This paper introduces a high speed serial communication method based on DSP, which uses internal SCI module of DSP chip to connect with external drive circuit, and uses RS422 communication protocol to realize high speed serial communication. DSP uses C language to package, send and receive, analyze the communication data. The upper computer adopts LabVIEW graphical programming language to simplify the writing of the underlying driver and realize the development of the serial com-munication application program. The experimental results show that RS422 communication circuit can realize real-time and effective steering gear control.

关 键 词：DSP 串口通信 RS422 电动舵机 

分 类 号：TN919.6-34[电子电信—通信与信息系统]