CN116049080A - Cascade type data loading method, system and medium - Google Patents

Cascade type data loading method, system and medium Download PDF

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Publication number
CN116049080A
CN116049080A CN202310123546.5A CN202310123546A CN116049080A CN 116049080 A CN116049080 A CN 116049080A CN 202310123546 A CN202310123546 A CN 202310123546A CN 116049080 A CN116049080 A CN 116049080A
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China
Prior art keywords
target
data
target end
loading
module
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CN202310123546.5A
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Inventor
蒋湛
宁艳艳
叶里
荣华
穆鹏宇
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CETC Avionics Co Ltd
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CETC Avionics Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163—Interprocessor communication
    • G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus

Abstract

The invention discloses a cascade data loading method, a cascade data loading system and a cascade data loading medium, wherein the cascade data loading method comprises the following steps: acquiring a plurality of target ends and a loading end; selecting a central target terminal based on the data flow of each target terminal and the richness of network resources; taking the central target end as a central node, and constructing a network topology structure diagram on the basis of a plurality of target ends; in the network topology structure diagram, the central target end and the loading end are subjected to data interaction, and data transmission is performed on each target end in a mode of generating a configuration file; the invention has the beneficial effects that the data is received by a mode that one loading end corresponds to one central target end, and the data transmission process is achieved between the target ends through configuration files, so that the data transmission process between one loading port and a plurality of target ends is realized.

Description

Cascade type data loading method, system and medium
Technical Field
The invention relates to the technical field of data interaction, in particular to a cascade type data loading method, a cascade type data loading system and a cascade type data loading medium.
Background
The device (software) for loading data by using the 429 bus generally needs to follow the ARINC615 standard, and the ARINC615 standard is only used for a single point-to-point 429 communication mode, if data loading of multiple target ends is to be completed, a plurality of data loading actions need to be performed for each target end, which is limited in the following situations in practical application: the on-board avionics interface is complicated, and in order to reduce the complexity of design and failure rate, the number of loading ports is usually limited, i.e. not every device is provided with an external loading port; a single device may carry multiple processing boards, each of which requires separate data loading, and typically each device will only expose one loading port to the outside.
Therefore, as shown in fig. 1, if data loading of all target ends (5) is to be completed, 5 times of data loading actions need to be executed, and the 5 target ends are guaranteed to have independent external loading ports; however, in the real on-board environment or laboratory in the prior art, it is generally impossible to connect the loading end and the target end point to point one by one.
In view of this, the present application is specifically proposed.
Disclosure of Invention
The invention aims to provide a cascade data loading method, a cascade data loading system and a cascade data loading medium, which can realize that the target end can distribute relevant received data to a corresponding target end node through a network topological structure in a mode that one loading end corresponds to one target end.
The invention is realized by the following technical scheme:
a cascade data loading method includes the steps:
acquiring a plurality of target ends and a loading end;
selecting a central target terminal based on the data flow of each target terminal and the richness of network resources;
taking the central target end as a central node, and constructing a network topology structure diagram on the basis of a plurality of target ends;
in the network topology structure diagram, the central target end and the loading end are subjected to data interaction, and data transmission is performed on each target end in a mode of generating a configuration file.
When the data is loaded according to the ARINC615 standard, the data is loaded in a mode that one loading end corresponds to one target end and the data is transmitted to the target end by the loading end, but when the data is loaded by adopting the method, the loading end and the target end cannot be connected in a one-to-one mode in a real airborne environment or a laboratory; the invention provides a cascade type data loading method, which is used for receiving data in a mode that one loading end corresponds to one central target end, and achieving a data transmission process between the target ends through configuration files, so that the data transmission process between one loading port and a plurality of target ends is achieved.
Preferably, the sub-step of selecting the central target end includes:
extracting the data flow of each target end and the richness of network resources;
comparing the data flow of each target end and the richness of network resources;
and selecting the center point with the largest data flow and the best network resource richness as a center point to obtain a center target end.
Preferably, the constructing substep of the network topology structure chart includes:
taking the central target end as a central node and generating a configuration file for the central target end;
according to the target end corresponding to the identifier of the configuration file, connecting the corresponding target end with the central target end;
and generating a configuration file for each target end, and connecting with the corresponding target end according to the identification generated on the configuration file.
Preferably, the configuration files are provided with corresponding identification files, and the identification files are used for transmitting corresponding identification data to the corresponding target ends in a routing mode.
Preferably, the central target end and the loading end are directly connected through an ARINC429 bus for data interaction.
Preferably, the data loading process between the two target ends is performed according to the ARINC615 standard, and the data loading process between the central target end and the target ends is performed according to the ARINC615 standard.
The invention also provides a cascade type data loading system, which comprises an acquisition module, a selection module, a construction module and a data interaction module;
the acquisition module is used for acquiring a plurality of target ends and a loading end;
the selecting module is used for selecting a central target end based on the data flow of each target end and the richness of network resources;
the construction module is used for taking the central target end as a central node and constructing a network topology structure diagram on the basis of a plurality of target ends;
the data interaction module is used for carrying out data interaction on the central target end and the loading end in the network topology structure diagram.
Preferably, the selecting module comprises an extracting module, a comparing module and a selecting module;
the extraction module is used for extracting the data flow of each target end and the richness of network resources;
the comparison module is used for comparing the data flow of each target end and the richness of network resources;
the selecting module is used for selecting the center point with the largest data flow and the best network resource richness as the center point to obtain the center target end.
Preferably, the construction module comprises a file generation module, a connection module and a matching module;
the file generation module is used for taking the central target end as a central node and generating a configuration file for the central target end;
the connection module is used for connecting the corresponding target end with the central target end according to the target end corresponding to the identifier of the configuration file;
and the matching module is used for generating a configuration file for each target end and connecting the configuration file with the corresponding target end according to the identification generated on the configuration file.
The invention also provides a computer storage medium having stored thereon a computer program, characterized in that the computer program, when executed by a processor, implements a loading method as described above.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the cascade type data loading method, system and medium, data is received in a mode that one loading end corresponds to one central target end, and a data transmission process is achieved between the target ends through configuration files, so that a data transmission process between one loading port and a plurality of target ends is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a transmission scheme between a theoretical loading end and a target end in the prior art;
FIG. 2 is a schematic diagram of a loading method;
fig. 3 is a schematic diagram of an implementation process of the embodiment.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Example 1
When data is loaded according to the ARINC615 standard, the data is loaded usually by a mode that one loading end corresponds to one target end and a mode that the loading end transmits the data to the target end, but when the data is loaded by the method, the loading end and the target end cannot be connected one by one in a real airborne environment or a laboratory.
The embodiment discloses a cascade type data loading method, which is characterized in that data is received by a mode that one loading end corresponds to one central target end, and a data transmission process is achieved between the target ends through configuration files, so that a data transmission process between one loading port and a plurality of target ends is achieved; the method disclosed in this embodiment is shown in fig. 2, and the method includes the steps of:
s1: acquiring a plurality of target ends and a loading end;
in step S1, a manner of data transmission between a loading end and a plurality of target ends is set, and the manner of data transmission between the target ends is adopted.
S2: selecting a central target terminal based on the data flow of each target terminal and the richness of network resources;
the sub-step of selecting the center target end comprises the following steps: extracting the data flow of each target end and the richness of network resources; comparing the data flow of each target end and the richness of network resources; and selecting the center point with the maximum data flow and the best network resource richness as a center point to obtain a center target end, wherein the network resource richness is the number of 429 interfaces of each node.
In step S2, a central target is mainly selected, in this embodiment, the screening is mainly performed through the data traffic and the network resource richness of the target, and in the selected central target, a plurality of different targets are also connected as much as possible, so that different data transmission can be implemented.
S3: taking the central target end as a central node, and constructing a network topology structure diagram on the basis of a plurality of target ends;
the construction substeps of the network topology structure diagram comprise: taking the central target end as a central node and generating a configuration file for the central target end; according to the target end corresponding to the identifier of the configuration file, connecting the corresponding target end with the central target end; generating a configuration file for each target end, and connecting with each corresponding target end according to the identification generated on the configuration file; corresponding identification files are arranged in the configuration files, and the identification files are used for transmitting corresponding identification data to the corresponding target ends in a routing mode.
In step S3, in the constructed network topology structure diagram, each target end has a configuration file for generating itself, and the identifier on the configuration file can be used as a carrier for data transmission, so that the data can be transmitted to the corresponding target end according to the representation displayed on the received data, and the data transmission between one loading end and multiple target ends can be realized.
S4: in the network topology structure diagram, the central target end and the loading end are subjected to data interaction, and data transmission is performed on each target end in a mode of generating a configuration file.
The central target end and the loading end are directly connected through an ARINC429 bus for data interaction. The data loading flow between the two target ends is carried out according to the ARINC615 standard, and the data loading flow between the central target end and the target ends is carried out according to the ARINC615 standard.
The specific configuration is shown in fig. 3, the data interaction is performed by taking an externally exposed central node as a target end, directly connecting the central node with a loading end through an ARINC429 bus, and distributing corresponding data to all sub-nodes so as to realize the data loading work of all nodes, and as shown in fig. 3, the data loading of all target ends (6) is realized by only executing one loading action at the loading end and only needing one external loading port.
Through unified planning and scheduling, a network topology scheme of the whole loading system is designed, configuration files are developed for all nodes (target ends) according to the topology scheme, and all nodes process and route messages according to information provided by the configuration files, so that dynamic configurable of the whole loading system is realized: through the transfer of 6 nodes, a data loading link of 7< - >5,7< - >4 and 7< - >6 is established, and the data loading flow between the data loading links completely accords with the ARINC615 standard; through the transfer of 6,4 nodes, a data loading link of 7< - >1,7< - >2 and 7< - >3 is established, and the data loading flow between them completely complies with the ARINC615 standard.
The specific implementation process comprises the following steps:
firstly, carefully designing the network topology of the system, selecting nodes with more interfaces as much as possible as a central node (such as 6,4 nodes in fig. 3), and reducing the routing times of each flow as much as possible;
analyzing and digesting a network topology structure of a system, and designing and generating a configuration file for each child node of a target end; by analyzing the configuration file, each node generates own message routing logic, so that the analysis and distribution of the message are carried out according to the message routing logic. For each data stream in the system, it is identified with a unique message type, ensuring that the data stream is routed using the correct 429 link at any one node. The system is simple and efficient, and can be adapted to the system through the change of the configuration file no matter how the network topology structure of the system changes.
For the node 6 in fig. 3, the implementation concept of a configuration file is shown as follows, and the configuration principle of other nodes is the same as follows: an example configuration file is explained as follows:
1) There are 3 neighboring nodes of node 6: NODE 7 (load side), NODE 5 and NODE 4, each of which represents 429 channel numbers for receiving messages thereof in configuration files by A429_RECV_PATH_NODE_7, A429_RECV_PATH_NODE_5, A429_RECV_PATH_NODE_4, and each of which represents 429 channel numbers for receiving messages by A429_SND_PATH_NODE_7, A429_SND_PATH_NODE_5,
A429_snd_path_node_4 to represent the 429 channel number to which messages are sent;
2) MsgType is A, identifies the type of message passed between the 7< - >4 nodes,
MsgType is B, identifies the type of message passed between 7< - >5 nodes,
MsgType is C, and the type of messages transmitted between 7< - >6 nodes is identified;
3) If NODE 6 receives a message of type "a" from the "a429_recv_path_node_7" PATH, it sends it to NODE 4 via the "a429_snd_path_node_4" PATH;
if NODE 6 receives a message of type "C" from the "A429_RECV_PATH_NODE_7" channel, it indicates that the message is own and is no longer routed; other types of message routing mechanisms are the same.
According to the cascade type data loading method disclosed by the embodiment, data is received in a mode that one loading end corresponds to one central target end, and a data transmission process is achieved between the target ends through configuration files, so that a data transmission process between one loading port and a plurality of target ends is achieved.
Example two
The embodiment discloses a cascade type data loading system, which aims to realize the loading method in the first embodiment, and comprises an acquisition module, a selection module, a construction module and a data interaction module;
the acquisition module is used for acquiring a plurality of target ends and a loading end;
the selecting module is used for selecting a central target end based on the data flow of each target end and the richness of network resources;
the construction module is used for taking the central target end as a central node and constructing a network topology structure diagram on the basis of a plurality of target ends;
the data interaction module is used for carrying out data interaction on the central target end and the loading end in the network topology structure diagram.
The selecting module comprises an extracting module, a comparing module and a selecting module;
the extraction module is used for extracting the data flow of each target end and the richness of network resources;
the comparison module is used for comparing the data flow of each target end and the richness of network resources;
the selecting module is used for selecting the center point with the largest data flow and the best network resource richness as the center point to obtain the center target end.
The construction module comprises a file generation module, a connection module and a matching module;
the file generation module is used for taking the central target end as a central node and generating a configuration file for the central target end;
the connection module is used for connecting the corresponding target end with the central target end according to the target end corresponding to the identifier of the configuration file;
and the matching module is used for generating a configuration file for each target end and connecting the configuration file with the corresponding target end according to the identification generated on the configuration file.
Example III
The present embodiment discloses a computer storage medium having stored thereon a computer program which, when executed by a processor, implements the method according to embodiment one.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. A method for cascade data loading, the method comprising the steps of:
acquiring a plurality of target ends and a loading end;
selecting a central target terminal based on the data flow of each target terminal and the richness of network resources;
taking the central target end as a central node, and constructing a network topology structure diagram on the basis of a plurality of target ends;
in the network topology structure diagram, the central target end and the loading end are subjected to data interaction, and data transmission is performed on each target end in a mode of generating a configuration file.
2. The method for loading cascaded data according to claim 1, wherein the sub-step of selecting the central target comprises:
extracting the data flow of each target end and the richness of network resources;
comparing the data flow of each target end and the richness of network resources;
and selecting the center point with the largest data flow and the best network resource richness as a center point to obtain a center target end.
3. The method for loading cascaded data according to claim 1, wherein the constructing sub-step of the network topology structure comprises:
taking the central target end as a central node and generating a configuration file for the central target end;
according to the target end corresponding to the identifier of the configuration file, connecting the corresponding target end with the central target end;
and generating a configuration file for each target end, and connecting with the corresponding target end according to the identification generated on the configuration file.
4. A cascade data loading method according to claim 3, wherein corresponding identification files are provided in the configuration files, and the identification files are used for transmitting corresponding identification data to the corresponding target ends in a routing manner.
5. A cascade data loading method according to claim 3, wherein the central target end and the loading end are directly connected through an ARINC429 bus for data interaction.
6. The method of claim 5, wherein the data loading process between the two target terminals is performed according to ARINC615 standard, and the data loading process between the central target terminal and the target terminals is performed according to ARINC615 standard.
7. The cascade data loading system is characterized by comprising an acquisition module, a selection module, a construction module and a data interaction module;
the acquisition module is used for acquiring a plurality of target ends and a loading end;
the selecting module is used for selecting a central target end based on the data flow of each target end and the richness of network resources;
the construction module is used for taking the central target end as a central node and constructing a network topology structure diagram on the basis of a plurality of target ends;
the data interaction module is used for carrying out data interaction on the central target end and the loading end in the network topology structure diagram.
8. The cascaded data loading system of claim 7, wherein the selection module comprises an extraction module, a comparison module, and a selection module;
the extraction module is used for extracting the data flow of each target end and the richness of network resources;
the comparison module is used for comparing the data flow of each target end and the richness of network resources;
the selecting module is used for selecting the center point with the largest data flow and the best network resource richness as the center point to obtain the center target end.
9. The cascading data loading system according to claim 7, wherein the building module comprises a file generation module, a connection module, and a matching module;
the file generation module is used for taking the central target end as a central node and generating a configuration file for the central target end;
the connection module is used for connecting the corresponding target end with the central target end according to the target end corresponding to the identifier of the configuration file;
and the matching module is used for generating a configuration file for each target end and connecting the configuration file with the corresponding target end according to the identification generated on the configuration file.
10. A computer storage medium having stored thereon a computer program which, when executed by a processor, implements the loading method according to any one of claims 1 to 6.
CN202310123546.5A 2023-02-16 2023-02-16 Cascade type data loading method, system and medium Pending CN116049080A (en)

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