S4海流计通信协议截获器的显控终端设计及实现

Design and Realization of the Display and Control Terminal for Communication Protocols Interceptor of S4 Ocean Current Meter

S4海流计通信协议截获器的终端是海流测量系统的重要组成部分,它的显示是通过LT320240BKEC5V液晶屏和触摸屏进行控制。本文详细介绍了液晶屏和触摸板的工作原理,设计了ATmega128单片机与液晶模块LT320240BKEC5V的硬件接口电路,并给出了初始化程序和软件流程图。

The display and control terminal of communication protocols interceptor of S4 ocean current meter is realized by the way of both LT320240BKEC5V screen and touch screen.The working principle of LT320240BKEC5V screen and touch screen is introduced in detail in this paper.The hardware interface circuit between ATmega128 singlechip and LT320240BKEC5V module is designed,then initialization procedure and software flow chart are given.