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Usb hub, usb device enumeration anomaly detection method and computer storage medium

A hub and enumeration technology, applied in the USB field, can solve the problems of high cost and low efficiency of USB enumeration detection, and achieve high industrial utilization value, improve efficiency, and reduce labor costs.

Active Publication Date: 2021-08-06
CORIGINE (SHANGHAI) INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a USB hub, a USB device enumeration anomaly detection method and a computer storage medium, which are used to solve the technical problems of high USB enumeration detection cost and low efficiency in the prior art

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  • Usb hub, usb device enumeration anomaly detection method and computer storage medium
  • Usb hub, usb device enumeration anomaly detection method and computer storage medium
  • Usb hub, usb device enumeration anomaly detection method and computer storage medium

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Embodiment Construction

[0048] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0049] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides a USB hub, a USB device enumeration abnormality detection method and a computer storage medium. The invention is compatible with the function of a common hub and adds an enumeration detection sub-module, and can automatically execute the enumeration detection without relying on an expensive USB protocol analyzer. Enumeration detection and judgment of the results of the enumeration detection, thus greatly reducing the labor cost of the engineer's manual enumeration and detection, but also improving the efficiency of the enumeration detection, avoiding errors or errors caused by human factors. In addition, the USB hub of the present invention adopts serial interface output, so it is convenient to test and record problems on a large scale. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

Description

technical field [0001] The invention relates to the technical field of USB, in particular to a USB hub, a USB device enumeration anomaly detection method and a computer storage medium. Background technique [0002] As a general-purpose bus, USB is becoming more and more popular. Today, USB has developed to USB3.2 version, and more and more USB devices with different functions have emerged as the times require. [0003] In the process of developing USB devices, the enumeration process of USB devices includes USB hot-plug identification, unique address setting of USB devices, USB host obtains various configuration information of USB devices through USB requests, and USB host uses the configuration information obtained. Configure the USB device, and the USB device enters the configured state, and the USB device can be used normally at this time. Therefore, the most important part of USB device development and testing is the enumeration process of USB devices. [0004] In the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/40G06F13/42G06F11/22
CPCG06F11/221G06F13/4068G06F13/4282G06F2213/0042
Inventor 程凯卢笙姜欣肖骁陈伟达
Owner CORIGINE (SHANGHAI) INC
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