CN113300892A - Real-time communication network system with shared memory - Google Patents
Real-time communication network system with shared memory Download PDFInfo
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- CN113300892A CN113300892A CN202110572642.9A CN202110572642A CN113300892A CN 113300892 A CN113300892 A CN 113300892A CN 202110572642 A CN202110572642 A CN 202110572642A CN 113300892 A CN113300892 A CN 113300892A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/544—Buffers; Shared memory; Pipes
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- Computer Networks & Wireless Communication (AREA)
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- General Engineering & Computer Science (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a real-time communication network system for memory sharing, which comprises a reflective memory network, wherein the reflective memory network comprises a plurality of reflective memory nodes, one or more reflective memory nodes are accessed to a reflective memory node access card, and other reflective memory nodes are accessed to a common node card; each reflective memory node access card is accessed to one or more interface cards in a cascading mode, and controller parameters and network access parameters of one or more interface cards are set in the corresponding reflective memory node. The invention directly converts the physically acquired data into the reflective memory data packet to access the reflective memory network in a hardware logic mode, and software only needs to configure interface characteristics and network parameters, thereby improving the real-time performance of the data access network.
Description
Technical Field
The invention belongs to the technical field of reflective memory networks, and relates to a real-time communication network system for memory sharing.
Background
The reflective memory network is a memory-sharing real-time communication network, the application interface provided for the client is a software interface, and all application data must be written in or read out from the reflective memory network through the software interface. In many application scenarios, the data source or the data destination is a physical acquisition card or a communication card, and when the data is accessed to the reflective memory network, the data of the acquisition card, the communication card and the like and the data of the reflective memory network need to be exchanged by taking a computer memory as a medium and taking application software as a dispatcher, so that the real-time performance of data transmission is reduced. The reflective memory real-time injection technology integrates a collection card or a communication card and the like with a reflective memory network, software configures application settings, and data transmission is completely completed by hardware logic, so that the real-time performance of data transmission is improved.
In the prior art, a reflective memory card, a plurality of physical acquisition cards and communication cards are usually inserted into one computer, and application software carries acquired data from the acquisition card to the computer memory first, and then writes the acquired data into a reflective memory node card through the computer memory, so as to achieve the purpose of accessing the data into a reflective memory network.
Therefore, the invention provides a memory-sharing real-time communication network system.
Disclosure of Invention
In order to solve the above problems, the present invention provides a real-time communication network system with shared memory. The system directly converts physically acquired data into a reflective memory data packet to access a reflective memory network in a hardware logic mode, and software only needs to configure interface characteristics and network parameters to provide real-time performance of the data access network.
In order to achieve the above purpose, the present invention provides the following technical solutions.
A real-time communication network system with memory sharing comprises a reflective memory network, wherein the reflective memory network comprises a plurality of reflective memory nodes;
one or more of the reflective memory nodes are accessed to a reflective memory node access card, and other reflective memory nodes are accessed to a common node card;
each reflective memory node access card is accessed to one or more interface cards in a cascading mode, and controller parameters and network access parameters of one or more interface cards are set in the corresponding reflective memory node.
Preferably, the interface cards include a reflective memory LVDS interface card, a reflective memory RS422 interface card, and a reflective memory AD interface card.
Preferably, the network entry parameter includes a data storage address, a control parameter and a status parameter storage address.
The invention has the beneficial effects that:
the invention provides a memory sharing real-time communication network system. The reflective memory interface card completes the data sending and receiving functions of the traditional interface card, simultaneously can transmit the acquired data to the reflective memory network according to the configuration, and sends the data received from the reflective memory network out from the interface card, the whole data transmission is automatically completed by hardware, and the software only needs to set the interface card controller parameters and the reflective memory network parameters, thereby solving the real-time problem of physical equipment data network access.
The invention is further described with reference to the following figures and examples.
Drawings
Fig. 1 is a schematic application diagram of a real-time communication network system with memory sharing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A real-time communication network system with memory sharing, as shown in fig. 1, specifically includes:
the method comprises a reflective memory network, wherein the reflective memory network comprises a plurality of reflective memory nodes;
one or more reflective memory nodes are accessed to a reflective memory node access card, and other reflective memory nodes are accessed to a common node card;
each reflective memory node access card accesses one or more interface cards in a cascading mode, and controller parameters and network access parameters of one or more interface cards are set in the corresponding reflective memory node.
Further, the interface cards comprise a reflective memory LVDS interface card, a reflective memory RS422 interface card and a reflective memory AD interface card; the network entry parameters include data storage addresses, control parameters and status parameter storage addresses.
In the present embodiment, the first and second electrodes are,
as shown in fig. 1, external LVDS image data, RS422 interface data and analog data need to be collected, common node cards are used in node0, node1 and node2, a reflective memory node access card, a reflective memory LVDS interface card, a reflective memory RS422 interface card and a reflective memory AD interface card are used in node 3, and the four cards are combined together in a cascading manner. In the Node 3, software sets controllers and network access parameters (including data storage addresses, control parameters, state parameter storage addresses and the like) of three interface cards, the three interface cards store data to specified addresses according to the software setting, and the Node0, the Node1 and the Node2 can read collected data and perform analysis processing.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A memory-sharing real-time communication network system comprises a reflective memory network, wherein the reflective memory network comprises a plurality of reflective memory nodes, and the memory-sharing real-time communication network system is characterized in that:
one or more of the reflective memory nodes are accessed to a reflective memory node access card, and other reflective memory nodes are accessed to a common node card;
each reflective memory node access card is accessed to one or more interface cards in a cascading mode, and controller parameters and network access parameters of one or more interface cards are set in the corresponding reflective memory node.
2. The memory-sharing real-time communication network system according to claim 1, wherein the interface cards include a reflective memory LVDS interface card, a reflective memory RS422 interface card, and a reflective memory AD interface card.
3. The memory-shared real-time communication network system according to claim 1, wherein the network access parameters include a data storage address, a control parameter, and a status parameter storage address.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110572642.9A CN113300892B (en) | 2021-05-25 | 2021-05-25 | Real-time communication network system with shared memory |
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| CN202110572642.9A CN113300892B (en) | 2021-05-25 | 2021-05-25 | Real-time communication network system with shared memory |
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| CN113300892A true CN113300892A (en) | 2021-08-24 |
| CN113300892B CN113300892B (en) | 2022-08-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422377A (en) * | 2021-12-30 | 2022-04-29 | 北京润科通用技术有限公司 | Method and device for generating data forwarding model |
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2021
- 2021-05-25 CN CN202110572642.9A patent/CN113300892B/en active Active
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| WO1998057238A2 (en) * | 1997-06-11 | 1998-12-17 | Westinghouse Electric Company Llc | Safety or protection system employing reflective memory and/or diverse processors and communications |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114422377A (en) * | 2021-12-30 | 2022-04-29 | 北京润科通用技术有限公司 | Method and device for generating data forwarding model |
| CN114422377B (en) * | 2021-12-30 | 2023-09-22 | 北京润科通用技术有限公司 | Method and device for generating data forwarding model |
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