实时数据采集系统中定时程序的设计

Design of timer program in a real-time data acquisition

Windows和VC中提供了很多关于时间操作的函数,利用它们控制程序能够精确地完成定时和计时操作。本文介绍了VC中基于Windows的七种精确定时方式,通过分析比较,确定了用于某实时数据采集系统的最佳程序设计。

Many functions of time operation are provided in Windows and VC, they are used to do accurate timing in control program. In this paper, seven kinds of accurate timing methods are presented. By analysis and comparison, the best program in the real-time data acquisition system is determined.