| 一种基于USB 2.0的实时数据采集系统设计与实现 |
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| 引用本文： | 蒋志忠,冯玉光.一种基于USB 2.0的实时数据采集系统设计与实现[J].现代电子技术,2005,28(22):34-36. |
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| 作者姓名： | 蒋志忠 冯玉光 |
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| 作者单位： | 海军航空工程学院,山东,烟台,264001 |
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| 摘 要： | 结合当前实时数据采集系统面临的问题和USB总线的突出优点,提出了一种基于USB 2.0总线技术的实时数据采集系统的设计及具体实现方法.根据要设计的系统的要求,给出了硬件电路框图,通过比较,选取了A/D芯片和USB通信接口芯片,并对Cypress公司的EZ-USB FX2芯片做了简单介绍.围绕EZ-USB FX2芯片,进行系统软件包括固件程序、设备驱动程序和应用软件的开发设计,详细介绍了设备固件程序的设计,给出了流程图和主要的代码.并对基于USB总线的数据采集系统的未来发展做了展望.
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| 关 键 词： | USB 2.0 实时数据采集 EZ-USB FX2 固件程序 |
| 文章编号： | 1004-373X(2005)22-034-03 |
| 修稿时间： | 2005年7月29日 |
Design and Implementation of a Real-time Data Acquisition Based on USB 2.0 |
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| JIANG Zhizhong,FENG Yuguang.Design and Implementation of a Real-time Data Acquisition Based on USB 2.0[J].Modern Electronic Technique,2005,28(22):34-36. |
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| Authors: | JIANG Zhizhong FENG Yuguang |
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| Abstract: | The paper introduces design and implementation of a real-time data acquisition system based on USB 2.0 according to problems that realtime data acquisition systems are facing and excellent advantages of USB.The elaborated frame circuit is given based on the requirement of the designed system.The A/D and USB communicative interface chips based on requirement are selected and the EZUSB FX2 chip is explained summarily.In the design we encircle EZUSB FX2 chip to develop the software system including firmware program,device drive program and application software.The flow chart and main codes are given in the firmware program design.We also give a prospect to the future development of the data acquisition system. |
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| Keywords: | USB 2 0 real-time data acquisition E-ZUSB FX2 firmware program |
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