基于HID协议的工控自定义键盘接口设计

The design of IPC keyboard interface based on HID protocol

设备智能化改造大趋势下,嵌入式计算机大量的应用到工控系统中,自定义工控键盘的应用也变得越来越广泛。本文提出一种基于USB HID协议的自定义键盘设计,设计简单功能实用,免驱动自动识别。很好的解决了按需定制键盘设备的设计要求,方便了系统上位机软件编程,贴近工程实践,应用前景广阔。

Recently, intelligent transformation for industrial equipment is more and more popular. The embedded computer is widely used in industrial control system. The application of custom keyboard has become more and more widespread. This paper presents a method of custom keyboard based on USB HID protocol. Simple circuit, practical function, can be automatically identified with no driver. It＇s a good solution of customize keyboard equipment. The design of PC software becomes simple, close to the engineering practice,broad application prospects.