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Data transmission method and device, electronic equipment and storage medium

A data transmission method and data technology, applied in the field of communication, can solve problems such as occupying large system resources, real-time system errors, data loss, etc., to achieve the effect of ensuring real-time performance and integrity, and avoiding errors

Pending Publication Date: 2021-08-13
SHENZHEN YIHUA COMP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the data access to the real-time system is sudden and with a large amount of data, it may occupy a large amount of system resources, resulting in the loss of data during transmission and the failure of time constraints to be met, which in turn leads to Real-time system error

Method used

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  • Data transmission method and device, electronic equipment and storage medium
  • Data transmission method and device, electronic equipment and storage medium
  • Data transmission method and device, electronic equipment and storage medium

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Embodiment Construction

[0045] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are some, but 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.

[0046] refer to figure 1 , shows a flow chart of the steps of a data transmission method provided by an embodiment of the present invention, the method can be applied to a real-time system, and the real-time system can transmit data with other systems through a USB link, and can specifically include the following steps :

[0047] Step 102, buffer the data to be sent to other systems in the buffer area of ​​the USB link.

[0048]...

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Abstract

The embodiment of the invention provides a data transmission method and device, electronic equipment and a storage medium, the method is applied to a real-time system, the real-time system transmits data with other systems through a universal serial bus (USB) link, and the method comprises the steps of enabling the real-time system to firstly caches data to be sent to the other systems in a cache region of the USB link; subpackaging the data in the cache region to obtain a plurality of target data packets; and when the data volume cached to the cache region in a preset duration exceeds a threshold value, periodically sending the plurality of target data packets to other systems. The data in the cache region is subjected to subpackage processing, and the subpackaged data is periodically sent to other systems, so that the occupation of sudden and large-data-volume data access on system resources is reduced, the real-time performance and integrity of real-time system data transmission are ensured, and errors of a real-time system are avoided.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method, device, electronic equipment and storage medium. Background technique [0002] The correctness of real-time system calculation depends not only on the logical correctness of the program, but also on the time when the result is generated. If the time constraints of the system are not satisfied, system errors will occur. Therefore, in order to avoid system errors, it is necessary to ensure the real-time performance of data transmission in the real-time system. [0003] In order to ensure the real-time performance of real-time system data transmission, the current technology can establish a USB (Universal Serial Bus, Universal Serial Bus) link between the real-time system and other systems; data can be transmitted between the real-time system and other systems through the USB link . However, if the data access to the real-time system is su...

Claims

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Application Information

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IPC IPC(8): G06F13/30G06F13/40G06F13/42
CPCG06F13/30G06F13/4068G06F13/4282G06F2213/0042
Inventor 赵树森
Owner SHENZHEN YIHUA COMP