【摘要】 提出了用消息驱动思想来构造单片机控制系统中的定时体系，阐述了消息驱动思想的基本原理及其在单片机系统中的具体实现．该思想方便地解决了用较少资源实现复杂多变的定时要求的问题．更多还原

【Abstract】 In real time and multi task system controlled by Microchip Unit,the design of timing system is important and difficult.The application of message driving method can easily resolve the problem of constructing complex and variable timing system with limited resource.This paper describes the basic principle of message driving method and its realization in Microchip Unit timing system.更多还原