RTU异步系统陷入(AST)的功能与实现  

FUNCTION AND IMPLEMENTATION OF RTU ASYNCHRONOUS SYSTEM TRAP

作　　者：刘新焕 

出　　处：《计算机工程与设计》1991年第2期39-43,58,共6页Computer Engineering and Design

摘　　要：异步系统陷入(AST)是对优先级中断的软件模拟,它是RTU操作系统的一种进程通讯方式。本文介绍了异步系统陷入(AST)的功能,并详细讨论了它的实现过程。An Asynchronous Systrm Trap (AST) is the softuare analog of a priority in-terrupt. It is a method of interprocess communication on RTU Operating system. In thispaper, the function of Asynchrouous System Trap (AST) is presented, and its implementingprocdure is discussed in detail.

关 键 词：RTU 异步系统 操作系统 实时处理 

分 类 号：TP316.2[自动化与计算机技术—计算机软件与理论]