【作者】 刘吉名； 裴东兴；

【Author】 Jiming Liu Pei Dongxing(Key Laboratory of Instrumentation Science & Dynamic Measurement of the Ministry Education of China(North University of China)taiyuan shanxi 030051)

【机构】 仪器科学与动态测试教育部重点实验室(中北大学)；

【摘要】 USB用于连接计算机与外设,是一种新型接口技术,相对于传统接口有较多的优越性。本文介绍了石油井下测试仪的数据采集系统和通用串行接口的应用方法。从系统的硬件设计、固件以及应用程序等方面研究了USB接口的设计方法。通过USB接口实现了采集系统与计算机之间的数据传输,并给出了编程方法。对于传统智能仪器的接口设计与改造有一定的借鉴意义。更多还原

【Abstract】 USB is used to connect computer and peripheral devices,and is a new interface technology,it possesses much more advantages compared to traditional interface technology.This paper introduces an oil-well test gauge data collecting system and the implement way.It researchs on the design way of the USB interface from the hardware design,the firmware and application.USB data transmission between the acquisition system and computer was achieved by USB interface.The programming method was also given.It is useful for the interface design and alteration of the traditional instrumentation.更多还原