METHOD AND DEVICE FOR MODIFYING DRIVING AND MATCHING INFORMATION OF USB DEVICE

摘要

A method and a device for modifying driving and matching information of USB device are disclosed, it is relates to the USB device field, and the driver software corresponding to the device can also be determined without modifying the driving and matching files after the PID or the port number of the device is changed. The method includes: when the plug and play manager sends the query device information request to the physical device object, a filter driver intercepts the query device information request and sends the query device information request to an enumeration driver; the filter driver receives the device information returned by the enumeration driver according to the query device information request, and constitutes a device driver match string which contains manufacturer identification, sub-class and protocol type of the device according to the returned device information and compatible information of the device, and sends the constituted device driver match string to the plug and play manager.