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USB equipment configuration method and host

A configuration method and device technology, which is applied in the field of data communication, can solve problems such as the inability to configure USB devices, and achieve the effects of wide application range, simple and convenient implementation, and easy popularization

Active Publication Date: 2018-11-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Using the existing USB device configuration method, the host can only configure USB devices in the same working mode, but cannot configure USB devices in different working modes

Method used

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  • USB equipment configuration method and host

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Embodiment Construction

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0068] In a specific embodiment of the invention, figure 2 It is a schematic diagram of the implementation flow of the configuration method of the USB device in the embodiment of the present invention. like figure 2 As shown, the configuration method of the USB device may include the following steps:

[0069] Step 201 , when the configuration of the USB device according to the first configuration method corresponding to the first working mode fails, control the USB device to adapt its working mode from the first working mode to the second working mode.

[0070] In a specific embodiment of the present invention, when the USB device is inserted into the host, the host will provide current to the USB device after detecting the USB device, and then the host can first configure...

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Abstract

Embodiments of the invention disclose a USB equipment configuration method and a host. The method comprises the following steps of: when configuration carried out on USB equipment according to a firstconfiguration method corresponding to a first working mode fails, controlling the USB equipment to adapt a working mode thereof to from the first working mode to a second working mode; and configuring the USB equipment according to a second configuration method corresponding to the second working mode.

Description

technical field [0001] The invention relates to data communication technology, in particular to a method for configuring a USB device and a host. Background technique [0002] In recent years, users have used USB (Universal Serial Bus, Universal Serial Bus) interfaces more and more frequently, and their options have also increased. At present, more and more computer manufacturers have added USB3.0 host controllers to the motherboard chips. Combining the previous USB1.0, USB1.1 and the most widely used USB2.0 interface, the interface standard has changed from the original OHCI (Open Host Controller Interface, open host controller interface), UHCI (Universal Host Controller Interface, universal host controller interface) to later EHCI (Enhanced Host Controller Interface, enhanced host controller interface), and then to the latest xHCI (Extensible Host Controller Interface, Scalable Host Controller Interface). In the use of USB devices, different interface standards will also...

Claims

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Application Information

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IPC IPC(8): G06F11/22G06F13/38
CPCG06F11/2247G06F13/385G06F2213/0042G06F11/22G06F13/38
Inventor 朱良辉
Owner ZTE CORP
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