Method and device for carrying out data communication with low speed network device

A technology of network equipment and data communication, applied in bus network, data exchange network, transmission data organization to avoid errors, etc., can solve problems such as low-speed network bus conflicts, improve utilization rate, reduce network bus conflicts, and avoid data loss and the effect of misrepresentation

Active Publication Date: 2016-09-07
北京东土军悦科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiments of the present invention provide a method and device for data communication with low-speed network equipment to solve the technical problem of low-speed network bus conflicts in the prior art when low-speed network equipment communicates with high-speed network equipment

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  • Method and device for carrying out data communication with low speed network device
  • Method and device for carrying out data communication with low speed network device
  • Method and device for carrying out data communication with low speed network device

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Embodiment 1

[0021] figure 1 It is a schematic flowchart of a method for data communication with a low-speed network device provided in Embodiment 1 of the present invention. This embodiment is applicable to a situation where a low-speed network device communicates with a high-speed network device. The method may be performed by an apparatus for data communication with low-speed network equipment, wherein the apparatus may be implemented by software and / or hardware. Such as figure 1 As shown, the method for data communication with a low-speed network device provided in this embodiment may specifically include:

[0022] S110. During the communication process between the low-speed network device and the high-speed network device, establish a low-speed network task to process low-speed network packets, where the low-speed network task includes a low-speed network packet sending subtask and a low-speed network packet receiving subtask.

[0023] Exemplarily, the low-speed network device may ...

Embodiment 2

[0028] Based on the foregoing embodiments, this embodiment provides a method for data communication with a low-speed network device, and specifically provides a method for sending a low-speed network message. figure 2 It is a schematic flowchart of a method for data communication with a low-speed network device provided in Embodiment 2 of the present invention, as shown in figure 2 As shown in the illustration, the method for data communication with a low-speed network device provided in this embodiment may include:

[0029] S210. When receiving the low-speed network packet sending event, extract the low-speed network packet from the high-speed network packet.

[0030] Exemplarily, during the communication process between the low-speed network device and the high-speed network device, the intermediate conversion device is connected to the high-speed network device through the high-speed network interface. Message sending event, when the intermediate conversion device receiv...

Embodiment 3

[0038] Based on the foregoing embodiments, this embodiment provides a method for data communication with a low-speed network device, and specifically provides a method for receiving a low-speed network message. image 3 A schematic flowchart of a method for data communication with a low-speed network device provided in Embodiment 3 of the present invention, as shown in image 3 As shown in the illustration, the method for data communication with a low-speed network device provided in this embodiment may include:

[0039] S310. When a low-speed network message reception event is received, receive a low-speed network frame from the low-speed network message processed by the low-speed network device.

[0040] Exemplarily, during the communication process between the low-speed network device and the high-speed network device, the intermediate conversion device is connected to the low-speed network device through the low-speed network interface. In the message sending event, when ...

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Abstract

The invention discloses a method and device for carrying out data communication with a low speed network device. The method comprises following steps of establishing a low speed network task for processing a low speed network message in the communication process of the low speed network device and a high speed network device, wherein the low speed network task comprises a low speed network message sending subtask and a low speed network message receiving subtask; successively carrying out the low speed network message sending subtask and the low speed network message receiving subtask, wherein the low speed network message sending subtask is used for sending the low speed network message to the low speed network device, and the low speed network message receiving subtask is used for receiving the low speed network message processed by the low speed network device. Through adoption of the technical scheme, the technical problem that in the prior art, when the low speed network device communicates with the high speed network device, it is easy to result in bus conflict of the low speed network is solved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communication, and in particular, to a method and device for data communication with low-speed network equipment. Background technique [0002] With the development of microcomputer control technology and industrial field bus technology, the communication method based on field bus has been more and more widely used in industrial control. Among them, the Controller Area Network (CAN) bus is favored by many developers for its simple structure, low cost, good functional characteristics, high reliability, strong anti-interference ability and openness. [0003] Existing low-speed network devices communicate with high-speed network devices, such as CAN devices communicate with high-speed Ethernet devices, usually by packaging CAN messages into Transmission Control Protocol (Transmission Control Protocol, TCP) messages or User Datagram Protocol (User Datagram Protocol) , UDP) packet, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L12/24H04L12/40H04L12/851
CPCH04L1/0078H04L12/4013H04L41/0823H04L47/24H04L2012/40215
Inventor 孙大娟
Owner 北京东土军悦科技有限公司
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