| 摘要 |
A method and apparatus for performing a self diagnosis of a device that includes a universal serial bus (USB) host and a USB client. The method includes detecting whether the universal serial bus client of the device is connected to a universal serial bus host, detecting whether the device acting as the universal serial bus client is identical to a device acting as the universal serial bus host when the universal serial bus client is connected to the universal serial bus host, and allowing the self diagnosis of the device to be automatically performed when the device acting as the universal serial bus client is identical to the device acting as the universal serial bus host. Accordingly, a self diagnosis of a device can be automatically performed by connecting a USB client to its USB host.
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