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一种U盘数据采集系统的设计
Design of A USB FlashDisk Data Acquisition System
【摘要】 采用USBHost器件CH375与增强型单片机STC89C51RD实现U盘接口,设计了大容量数据采集系统。该系统遵守USB海量存储设备类规范中的Bulk-Only和UFI子规范,支持FAT16文件系统。大量现场采集数据可以及时保存到U盘之中,并且可随时读取U盘通过液晶显示器以文本或曲线方式进行数据回放。利用U盘的良好移动性,与计算机进行数据交换十分方便,达到现场数据采集、室内数据分析的目的。
【Abstract】 A mass storage data acquisition system is designed based on USB Host device CH375 interface with enhanced microcontroller STC89C51RD.The system is used to observe USB mass storage class Bulk-Only and UFI,support FAT 16 file system.Local mass data can be stored in USB FlashDisk as soon as possible.Stored data can also be read back for display on LCD in text or curve format.Local data acquisition and office data analysis can be easily conducted for easy data exchanging between USB FlashDisk and computer.
【关键词】 单片机;
U盘;
数据采集;
文件系统;
【Key words】 microcontroller; USB FlashDisk; data acquisition; file system;
【Key words】 microcontroller; USB FlashDisk; data acquisition; file system;
- 【文献出处】 长江大学学报(自科版) ,Journal of Yangtze University(Natural Science Edition) , 编辑部邮箱 ,2006年07期
- 【分类号】TP274.2
- 【被引频次】4
- 【下载频次】243