摘要
使用VB的通讯控件和多台单片机AT 89C 2051实现了IC卡售饭系统的串口通讯。重点介绍了上位机通讯系统中的发送接收程序,利用下位机串口工作方式完成多机通讯。
This paper mainly introduces the method to use the communication controlling components of VB and AT89C2051 singlechips to realize serial communication in IC card selling food system,including the sending and receiving program of the upper PC,the communicating flow chart of lower PCs,and so on.
出处
《机械工程与自动化》
2007年第1期57-58,61,共3页
Mechanical Engineering & Automation
关键词
VB
串行通信
IC卡
VB
serial communication
IC card
