CN110324356A - A kind of blended data packet processing method of multiclass bus data - Google Patents
A kind of blended data packet processing method of multiclass bus data Download PDFInfo
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- CN110324356A CN110324356A CN201910647635.3A CN201910647635A CN110324356A CN 110324356 A CN110324356 A CN 110324356A CN 201910647635 A CN201910647635 A CN 201910647635A CN 110324356 A CN110324356 A CN 110324356A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9057—Arrangements for supporting packet reassembly or resequencing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention belongs to avionics fields, especially relate to a kind of blended data packet processing method of multiclass bus data.Different bus datas, it is had differences between its record format, this method is the format for unifying format according to specific regular splitting and reorganizing by every packet initial data to record, the unification of single packet format of different type bus data is realized, convenient for the second development and utilization of bus data.
Description
Technical field
The invention belongs to avionics field, at the blended data packet for especially relating to a kind of multiclass bus data
Reason method.
Background technique
With the continuous development of technology, bus data using more and more, in order to save record space, exist multiclass
Bus data is packaged record, and the case where include multiple bus message in a bag data, but different bus data record lattice
Formula has differences, and needs to do specially treated for different bus data types, and data parsing maintenance is inconvenient, is unfavorable for data
Secondary development application.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of blended data packet processing methods of multiclass bus data, solve
Multiclass bus data is due to format differences, processing method disunity, inflexible problem.
Technical solution: a kind of blended data packet processing method of multiclass bus data, described method includes following steps:
S1: configuration processing message file；
S2: reading the processing message file in S1, obtains the relevant information in table；
S3: reading the initial data of record, carries out recombination of unpacking to data；
S4: the data packet of same type in S3 is sequentially ranked up from small to large according to embedded packet timestamp；
S5: reading the combined information after splitting in single bag data, is formed only with certain table information in processing message file
One corresponding relationship, packet-by-packet reads data, completes the parsing reduction of bus data.
Further, the blended data packet of a variety of bus datas includes packet synchronisation word, data type, packet message
It counts and the message data of every kind of data embeds packet timestamp, message data length, message flag, message data, every packet is former
The essential elements that beginning bus data need to have is shown in Table 1:
The indispensable element that 1 original bus data packet of table need to include:
| Packet synchronisation word |
| Data type |
| Packet message count |
| Message data 1 embeds packet timestamp |
| 1 length of message data |
| Message flag |
| Message data 1 |
| …… |
| Message data n embeds packet timestamp |
| Message data n length |
| Message flag |
| Message data n |
The meaning of division name is as follows in table:
Packet synchronisation word: being made of stationary digital, as the mark for judging data packet starting.
Data type: it is corresponded by the numerical value and bus data type of agreement.
Packet message count: the message sum for including in a bag data.
Length: refer to byte number total in message.
Message flag: the key message of corresponding design parameter in message is determined.
Further, the processing Information File Formats in the step S1 are Excel table, in an Excel table, people
Work configures multiple tables, and of a sort message corresponds to a unique table, the naming rule of table name be " Data Labels+data type+
Sample frequency ", content should include restoring method, unit, data start bit, data length and the extreme value range needed for reduction in table
Deng.
Further, the step S3 includes:
S3.1: retrieval " packet synchronisation word " is read " data type "；
S3.2: " packet message sum " N is read, is the single bag data of N packet by a bag data splitting and reorganizing；
The key element of the list bag data includes: packet synchronisation word, data type, Data Labels, the embedded packet of data i
Timestamp, message data length and message data；
In application process, appropriate adjustment can be carried out according to sequence of the reality to key element, but guarantees that every packet singly wraps
The key element position of data is consistent, single packet format such as the following table 2 after splitting and reorganizing:
Single packet format after 2 splitting and reorganizing of table
| Packet synchronisation word |
| Data type |
| Message flag |
| Message data i embeds packet timestamp |
| Message data i length |
| Message data i |
Further, the step S5 includes:
S5.1: it is successively read one second data flow of single bag data APMB package；
S5.2: it resolves one second data and engineering value file is written；
S5.3: judging whether data packet runs through, and does not run through the step of then repeating S5.1~S5.2；
The resolving engineering value file processes: from acquisition key element in one second data flow of single bag data APMB package with from
Table name is matched in reason message file.
The utility model has the advantages that the present invention carries out splitting and reorganizing by the blended data packet to multibus data, format is variant
Different types of bus data splitting and reorganizing be unified data format, the table shape after recombination in single bag data and configuration file
At one-to-one relationship, this processing mode is highly convenient for being uniformly processed for polymorphic type bus data, and is convenient for subsequent newly-increased number
According to flexible addition.
Detailed description of the invention
Fig. 1 is the blended data packet processing flow schematic diagram of multiclass bus data of the present invention.
Specific embodiment
A kind of embodiment of invention is described in further detail below, please refers to Fig. 1.
The present invention is illustrated processing method by taking the blended data packet of 1553B bus and FC bus data as an example.Wherein
1553B bus data packet format is as shown in table 3, and FC bus data packet format is as shown in table 4.
3 1553B original bus data packet format of table
The meaning of division name in table 3:
Channel characteristics data: including information such as message counts in packet.
Length: refer to byte number total in message.
Message data: being made of command word, data word, status word, and wherein command word is included parameter in determining message
Key message, can be used as " message flag ".
4 FC original bus data packet format of table
The meaning of division name in table 4:
Channel characteristics data: including information such as FC data frame numbers complete in packet.
Frame ID word: being included parameter in determining message comprising information such as frame length, frame starting, frame end, frame mistakes
Key message can be used as " message flag ".
In conjunction with the data structure of table 3 and table 4, it can be seen that different types of bus data record format has differences, needle
To such situation, data handling procedure of the present invention:
Step (1) configures reduction treatment message file.Configuration file format is Excel table, in an Excel table,
Multiple tables of human configuration, of a sort message correspond to a unique table, and the naming rule of 1553B bus type table name is " life
Enable word+data type+sample frequency ", the naming rule of FC bus type table name is " frame ID word+data type+sampling frequency
Rate " ", content should include restoring method, unit, data start bit, data length, extreme value range needed for data convert etc. in table
Relevant information；
Step (2), the configuration file in read step (1) obtain the relevant information in table；
Step (3), reads the initial data of record, carries out recombination of unpacking to data.With a packet bus data instance, explanation
Its splitting and reorganizing mode.Packet synchronisation word is retrieved, data type is read, is determined in packet by reading " channel characteristics data "
One packet 1553B data splitting and reorganizing is that N packet format list as shown in table 5 wraps by 1553B message sum or FC data frame sum N
FC data splitting and reorganizing is N packet single bag data as shown in table 6 by data.By this step, by different types of bus data
It is reassembled as unified data format, is convenient for secondary development application.
5 1553B data of table singly wrap composition format after splitting
6 FC data of table singly wrap composition format after splitting
Step (4) sequentially arranges the data packet of same type in step (3) according to embedded packet timestamp from small to large
Sequence；
Step (5) reads the combined information after splitting in single bag data, and " message flag+data type " can be with configuration
Certain table information in file forms unique corresponding relation, packet-by-packet reads data, can fast complete the parsing of bus data also
It is former.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of blended data packet processing method of multiclass bus data, which is characterized in that described method includes following steps:
S1: configuration processing message file；
S2: reading the processing message file in S1, obtains the relevant information in table；
S3: reading the initial data of record, carries out recombination of unpacking to data；
S4: the data packet of same type in S3 is sequentially ranked up from small to large according to embedded packet timestamp；
S5: reading the combined information after splitting in single bag data, and it is unique right to be formed with certain table information in processing message file
It should be related to, packet-by-packet read data, complete the parsing reduction of bus data.
2. data package processing method according to claim 1, which is characterized in that the blended data of a variety of bus datas
Packet includes that the message data of packet synchronisation word, data type, packet message count and every kind of data embeds packet timestamp, disappears
Cease data length, message flag, message data.
3. data package processing method according to claim 1, which is characterized in that the processing message file in the step S1
Format is Excel table, and in an Excel table, multiple tables of human configuration, of a sort message corresponds to a unique table,
The naming rule of table name is " Data Labels+data type+sample frequency ", and content should include the reduction side needed for reduction in table
Method, unit, data start bit, data length and extreme value range etc..
4. data package processing method according to claim 1, which is characterized in that the step S3 includes:
S3.1: retrieval " packet synchronisation word " is read " data type "；
S3.2: " packet message sum " N is read, is the single bag data of N packet by a bag data splitting and reorganizing；
The key element of the list bag data includes: packet synchronisation word, data type, Data Labels, data i embedded packet time
Stamp, message data length and message data；
Every key element position for wrapping single bag data is consistent.
5. data package processing method according to claim 1, which is characterized in that the step S5 includes:
S5.1: it is successively read one second data flow of single bag data APMB package；
S5.2: it resolves one second data and engineering value file is written；
S5.3: judging whether data packet runs through, and does not run through the step of then repeating S5.1~S5.2；
The resolving engineering value file processes: obtaining key element from one second data flow of single bag data APMB package and processing is believed
Table name is matched in breath file.
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Cited By (2)
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| CN114465966A (en) * | 2022-01-23 | 2022-05-10 | 山东云海国创云计算装备产业创新中心有限公司 | Data packet recombination control system and data packet recombination method |
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