| RS-232接口转USB接口通信的实现 |
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| 引用本文： | 任治国,王大方,黄红兵. RS-232接口转USB接口通信的实现[J]. 电力系统通信, 2002, 23(10): 7-9,12 |
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| 作者姓名： | 任治国 王大方 黄红兵 |
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| 作者单位： | 武汉大学,电气信息工程学院,湖北,武汉,430072 |
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| 摘 要： | 以IC卡门禁考勤系统为例，提出了一种将传统的RS－232接口转化为通用串行总线（USB）接口与PC机通信的嵌入式转换器的设计方案，先剖析了USB通信内核，然后探讨了系统软、硬件设计方案。
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| 关 键 词： | RS－232接口 USB接口 通信 人机接口设备 |
| 文章编号： | 1005-7641(2002)10-0007-03 |
An embedded converter from RS-232 to universal serial bus |
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| REN Zhi guo,WANG Da fang,HUANG Hong bing. An embedded converter from RS-232 to universal serial bus[J]. Telecommunications for Electric Power System, 2002, 23(10): 7-9,12 |
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| Authors: | REN Zhi guo WANG Da fang HUANG Hong bing |
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| Abstract: | This paper describes a PC communication implementation of an embedded converter from RS 232 to USB on IC card door lock and access control system. First,the core of USB communication is exposed and analyzed. Second, the design and implementation of software and hardware of the system are discussed in detail. |
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| Keywords: | USB endpoint HID enumeration |
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