车流量测量仪键盘处理的设计与实现

Design and Implementation of Keyboard Processing in Traffic Volume Tester

提出并实现了车流量测量仪控制软件的键盘处理方案。该方案的突出特点是它以菜单命令的输入状态为基础对按键进行处理,能很好地满足未来应用提出的新需求,便于键盘功能扩充,提高了控制软件的可维护性。该处理方案具有一定的通用性,有较好的应用价值。

Presents a scheme for keyboard processing in control software for traffic volume tester and thus implements it. The scheme is characterized by a special way of keyboard processing which bases on the input - status of tbe menu command,and it can meet the demand of future requirements,which is convenient for the expansion of new function and thus improves the maintenance of the control software. The scheme has certain commonability as well as better using value.