Method and apparatus for inserting data transmission queue structure

A data transmission and structure technology, applied in the computer field, can solve problems such as computer reading errors, low data transmission efficiency, and reading data, and achieve the effect of improving efficiency

Active Publication Date: 2020-06-02
LOONGSON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, if the data received when the computer operates the previous QH structure is still on the transmission path of the memory and has not reached the computer memory, then when the computer operates the current QH structure, it will not be able to read the data in the memory. cause computer read errors
In this case, the computer will restart the chip used to read the data, resulting in inefficient transfer of data between the computer and the USB device

Method used

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  • Method and apparatus for inserting data transmission queue structure
  • Method and apparatus for inserting data transmission queue structure
  • Method and apparatus for inserting data transmission queue structure

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] The method and device for inserting a data transmission queue structure provided by the invention are used to improve the efficiency of data transmission between a computer and a USB device. Wherein, the USB device mentioned here may be any storage device connected to the computer through the USB interface of the computer, such as a U disk.

[0037] The technical solution of the present invention will be described in detail below with specific embodiments. ...

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Abstract

A method and apparatus for inserting data into a data transmission queue structure are provided. The method includes: a first request for executing an input operation or an output operation to a USB device of a universal serial bus is received; in accordance with that first request, a first QH structure corresponding to the first request is inserted into a circular queue of a data transmission queue QH structure, the first QH structure and the second QH structure of the QH structure cycle queue are spaced by at least one redundant QH structure , the second QH structure corresponds to a secondrequest, and the second request performs an operation different from the first request on the USB device; an operation is performed on the USB device according to the QH structure body circulation queue. The method and the device for inserting the data transmission queue structure provided by the invention can improve the efficiency of data transmission between a computer and a USB device.

Description

technical field [0001] The invention relates to computer technology, in particular to a method and device for inserting a data transmission queue structure. Background technique [0002] Currently, after a Universal Serial Bus (USB) device is inserted into a USB interface on a computer, the computer can perform a control operation, an input operation, or an output operation on the USB device according to a request input by a user. Among them, the control operation is used to send a control command to the USB device, the input operation is used to receive the data sent by the USB device, and the output operation is used to send data to the USB device. [0003] In the prior art, when the above-mentioned computer receives a request to perform an input operation on the USB device, it will insert an input QH structure in the data transmission queue (Queue Head, QH) structure loop queue, and transmit the USB device to the computer. The data is encapsulated into a data packet (Que...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/40G06F13/42
CPCG06F13/4068G06F13/4282G06F2213/0042
Inventor 马帅李雪峰高翔
Owner LOONGSON TECH CORP
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