基于CAN总线的双DSP通信方案设计与实现  

Design and Implement of Double DSP Communication Based on CAN Bus Interface

作　　者：邓红德[1] 王博栋[1] 吴佳楠[1] 

机构地区：[1]西北工业大学无人机特种技术国家重点实验室,陕西西安710065

出　　处：《测控技术》2011年第6期83-85,88,共4页Measurement & Control Technology

摘　　要：针对目前逐渐增多的双DSP系统中的通信问题,分析比较了各种DSP通信方案以及将CAN总线用于DSP通信中的优势;介绍了DSP中CAN通信接口的硬件和软件设计及实现,重点阐述了CAN模块的相关寄存器设置,并且采用中断接收数据和双缓冲存取数据的方法;本方案已成功运用于某无人机飞行控制系统,系统运行良好。In view of the problems on communication in double DSP systems,various communication methods are compared and advantages of CAN bus are also presented.The hardware and software of communication using CAN bus in DSP systems are introduced.The registers configuration of CAN is described in particular.Data are received by interrupt and stored by double buffer.The scheme is applied in an UAV flight control system which performs very well.

关 键 词：DSP通信 CAN总线 双缓冲 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]