Modbus协议由于其开放性、透明性和低成本等特点，易于开发，已成为当今工业领域通讯协议的首选。本文介绍了一种基于Modbus通讯协议的eView触摸屏与常用的51单片机的通讯方法。该方法通过C51编程实现Modbus通讯，在51系列单片机上具有通用性，有一定的借鉴作用。
关键词：触摸屏；单片机；通讯；Modbus协议；编程
Realization of Communication of eVIEW Touch Panel and Micro-Controller Based on Modbus
Abstract: Because of its widely opening and easy performance, Modbus protocol has became the most prevalent field bus in the world. The paper introduces a communication method based on Modbus communication protocol between eVIEW touch panel and micro-controller system. This software use C51 as program language, it is used by bottom device which communicates with other devices by means of Modbus protocol, and it can be used as reference for other device.
Key words: touch panel; micro-controller; communication; Modbus protocol; programme
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