CDC-compliant embedded USB controller communication device...

Details CDC-compliant embedded USB controller communication device... CDC-compliant embedded USB controller communication device...

2006-12-29

2010-06-01

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S025000, C714S027000, C714S030000, C714S044000, C710S313000

Reexamination Certificate

active

07730360

ABSTRACT:
There is provided a method of communicating diagnostic information between a Universal Serial Bus (USB) host and a USB device, the USB host including a host USB controller, a main driver and a host main application. The method comprises establishing a data pipe in a data class interface between the USB host and the USB device for data communication; establishing a diagnostic information pipe in the data class interface between the USB host and the USB device for diagnostic information communication; monitoring the data class interface between the host USB controller and the main driver using a filter driver; intercepting the diagnostic information in the diagnostic information pipe of the data class interface using the filter driver; directing the diagnostic information intercepted by the filter driver to a host diagnostics application; and directing the data in the data pipe of the data class interface to the main driver.

REFERENCES:
patent: 6829726 (2004-12-01), Korhonen
patent: 7257741 (2007-08-01), Palenik et al.
patent: 2003/0016770 (2003-01-01), Trans et al.
patent: 2004/0024920 (2004-02-01), Gulick et al.
patent: 2005/0268175 (2005-12-01), Park

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