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Universal serial bus device and method for processing data with universal serial bus device

一种通用串行总线、处理数据的技术，应用在电数字数据处理、仪器等方向，能够解决连接中断、功能中断等问题

Active Publication Date: 2014-09-10
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simply put, when a USB composite device wants to increase or decrease functions, it will cause the functions being used to be interrupted
[0003] Therefore, there is a need to propose a new USB device and a method for processing data packets in the USB device to solve the above-mentioned connection interruption problem

Method used

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  • Universal serial bus device and method for processing data with universal serial bus device
  • Universal serial bus device and method for processing data with universal serial bus device
  • Universal serial bus device and method for processing data with universal serial bus device

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Embodiment Construction

[0013] Since the present invention allows for various changes and various embodiments, specific embodiments will be shown in the drawings and described in detail below. However, this is not intended to limit the present invention to a specific mode of implementation, and it should be understood that all changes, equivalents and replacements that do not depart from the spirit and technical scope of the present invention are included in the present invention. In the attached illustrations, the dimensions of the structures are exaggerated for clarity.

[0014] When terms like 'first', 'second' or the like are used to describe various components, these components should not be limited by the above terms. The terms described above are only used to distinguish one component from another. For example, a first component can be regarded as a second component without departing from the scope of rights of the present disclosure, and likewise, a second component can be regarded as a firs...

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Abstract

The invention relates to a universal serial bus device and a method for processing data with the universal serial bus device. The universal serial bus device receives a data package sent out from a host machine, and comprises a first virtual device, a second virtual device and a data distribution device. The data distribution device executes judgment operation which includes the steps that when it is judged that a first virtual address recorded in the data package is the same as the address of the first virtual device, data which are transmitted recorded in the data package and correspond to the first virtual address are transmitted to the first virtual device, and transmission is carried out between the first virtual device and the host machine; when it is judged that a second virtual address recorded in the data package is the same as the address of the second virtual device, data which are recorded in the data package and correspond to the second virtual address are transmitted to the second virtual device, and transmission is carried out between the second virtual device and the host machine.

Description

technical field [0001] The invention relates to a universal serial bus (USB) device, in particular to a universal serial bus (USB) device which does not need to interrupt the currently executing function when adding or reducing functions. Background technique [0002] A Universal Serial Bus (USB) device or a USB device controller (UDC) is commonly used in smart phones to connect to a host, such as a personal computer, to exchange data with the host. When the smartphone is connected to the host, it is regarded as a USB device with one or more functions. After the smartphone is connected to the host, the user cannot increase or decrease functions. For example, when a smart phone is connected to the host, the smart phone is regarded as a USB device capable of data transmission. During the connection, the smartphone cannot add additional camera functions. If you want to add a camera function, you must disconnect the smartphone from the host, and let the host re-prepare the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38
CPCG06F13/404G06F13/387G06F13/4068G06F13/4282
Inventor 陈科锋
Owner INTEL CORP
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