| 基于MCF52223USB数据采集系统的实时性研究 |
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| 引用本文： | 屯娜,王宜怀,王玉丽. 基于MCF52223USB数据采集系统的实时性研究[J]. 计算机应用与软件, 2011, 28(1) |
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| 作者姓名： | 屯娜 王宜怀 王玉丽 |
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| 作者单位： | 苏州大学计算机科学与技术学院,江苏,苏州,215006 |
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| 基金项目： | 国家自然科学基金(60871086) |
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| 摘 要： | 详细分析了基于USB传输的数据采集系统的实时特性。针对实时工业控制环境,研究了采用32位微处理器MCF52223进行AD采集,并通过USB总线通信方式向PC机传送AD数据的多路数据采集系统的实时特性,并从软件滤波、数据传输等方面提出了提高系统实时性的有效方法,最后较为具体地给出了MCU方和PC方的编程方法。
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| 关 键 词： | AD转换 实时性 USB2.0通信 MCF52223 |
ON REAL-TIME PERFORMANCE OF MCF52223-BASED USB DATA ACQUISITION SYSTEM |
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| Tun Na,Wang Yihuai,Wang Yuli. ON REAL-TIME PERFORMANCE OF MCF52223-BASED USB DATA ACQUISITION SYSTEM[J]. Computer Applications and Software, 2011, 28(1) |
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| Authors: | Tun Na Wang Yihuai Wang Yuli |
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| Affiliation: | Tun Na Wang Yihuai Wang Yuli(College of Computer Science and Technology,Soochow University,Suzhou 215006,Jiangsu,China) |
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| Abstract: | This paper analyses real-time performance of USB-based data acquisition system in detail.In particular,for real-time industrial control field,we focus on the real-time performance of multi-channel data acquisition system which uses 32-bit microcontroller MCF52223 for AD acquisition and transmits AD data to PC with USB bus communication pattern.The effective method for enhancing system real-time ability is raised from the aspects of software filtering and data transfer.The detailed programming solution is al... |
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| Keywords: | AD conversion Real-time performance USB2.0 communication MCF52223 |
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