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    • 3. 发明授权
    • CDC-compliant embedded USB controller communication device and system with custom features support
    • 符合CDC标准的嵌入式USB控制器通信设备和具有自定义功能支持的系统
    • US07730360B1
    • 2010-06-01
    • US11647784
    • 2006-12-29
    • Eddie Wai
    • Eddie Wai
    • G06F11/00
    • G06F11/2733
    • 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.
    • 提供了一种在通用串行总线(USB)主机和USB设备之间传送诊断信息的方法,该USB主机包括主机USB控制器,主驱动器和主机主应用程序。 该方法包括在USB主机和USB设备之间的数据类接口中建立数据管道进行数据通信; 在USB主机和USB设备之间的数据类接口中建立诊断信息管道,用于诊断信息通信; 使用过滤器驱动程序监控主机USB控制器和主驱动器之间的数据类接口; 使用过滤器驱动程序拦截数据类接口的诊断信息管道中的诊断信息; 将过滤器驱动程序拦截的诊断信息指向主机诊断应用程序; 并将数据类型接口的数据管道中的数据引导到主驱动器。