作者：王春晓, 伍川辉, 于艳军

作者单位：西南交通大学机械工程学院, 四川成都 610031

关键词：USB; 测量; PDIUSBD12; 通信模块; 驱动程序

摘要：

USB是目前流行的通用串行总线接口,有速度快、即插即用、接口灵活、独立供电等显著优点。本设计选用单片机加专用USB接口芯片的方案,采用PDIUSBD12专用通信模块实现FIFO数据缓存。文中介绍了USB总线和PDIUSBD12接口转换芯片,从硬件和软件两方面对智能测量仪表进行设计,详细说明了通信模块的工作原理。

Design of intelligent measuring instrument with USB interface

WANG Chun-xiao, WU Chuan-hui, YU Yan-jun

School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China

Abstract: At present,USB is one of the most popular GPIB with the advantages of rapid speed,plug and play,flexible interface and independent power supply etc.The core of the design is composed by microcontroller and appropriative USB interface chip and the data store of FIFO is implemented by PDIUSBD12.This paper introduced USB and interface chip.The intelligent measuring instrument was designed from two aspects of hardware and software.Working principle of the communication was introduced particulary.

Keywords: USB; Measurement; PDIUSBD12; Block of communication; Driver

2006, 6(32): 135-137  收稿日期: 2006-3-15;收到修改稿日期: 2006-5-9

基金项目: 

作者简介: 

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