Equipment and method for making USB interface to time-sharing apply as standard I /O interface

一种将usb接口分时应用为标准i/o接口的设备及方法

Abstract

本发明公开了属于信息安全领域的一种将USB接口分时应用为标准I/O接口的设备。该设备包括USB接口模块,其特征是还包括状态检测模块、电源提取模块和切换开关模块,所述电源提取模块与USB接口模块相连,切换开关模块与USB接口模块相连,状态检测模块分别与切换开关模块和USB接口模块连接。本发明的设备端口实现分时应用后,设备可以在使用时按工具的不同,通过USB协议或标准I/O接口协议进行数据传输,当需要通过标准I/O接口协议进行数据传输时使得无需再将USB设备的外壳打开,就能实现不开放USB设备能跟工具进行数据交换,而且USB协议是定义好的,而标准I/O接口协议可以由用户自己定义,使得应用起来更加方便。
The present invention provides a device for ensuring USB interface time-sharing application in standard I/O interface, belonging to information security field. The device includes an USB interface module, characterized in that the USB interface module further includes a state detection module, a power extraction module and a change-over switch module, the power extraction module is connected to the USB interface module, the change-over switch module is connected to the USB interface module, the state detection module is connected to the change-over switch module and the USB interface module respectively. After realizing the time-sharing application of the device terminal, when the device is used, according to the difference of the tool, the device terminal of the invention processes data transmission by USB protocol or standard I/O interface protocol, when using the standard I/O interface protocol processes data transmission, the nonopen USB device processes data exchange with the tool without opening the shell of the USB device, and USB protocol is definite, and the standard I/O interface protocol is defined by user self, the application is greatly convenient.

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Cited By (3)

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    CN-102663304-ASeptember 12, 2012哈尔滨工程大学一种防止移动储存介质交叉使用的usb组合端口
    CN-102681955-ASeptember 19, 2012三星电子株式会社Multi-interface memory card and method of operation