CN106656713A - Bus communication control system based on request return communication - Google Patents
Bus communication control system based on request return communication Download PDFInfo
- Publication number
- CN106656713A CN106656713A CN201710014696.7A CN201710014696A CN106656713A CN 106656713 A CN106656713 A CN 106656713A CN 201710014696 A CN201710014696 A CN 201710014696A CN 106656713 A CN106656713 A CN 106656713A
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- Prior art keywords
- bus
- bus communication
- information
- remote terminal
- controllers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/4028—Bus for use in transportation systems the transportation system being an aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40286—Bus for use in transportation systems the transportation system being a waterborne vessel
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a bus communication control system based on request return communication. The bus communication control system comprises: a remote terminal and a bus controller, wherein a bus communication control chip in the remote terminal receives command information, sent by the bus controller via a bus communication cable by using a 1553B controller of the remote terminal, then performs analysis and processing, writes report information including sub-address information to a vector character and sends the obtained vector character to the bus controller; and a bus communication information management system in the bus controller analyzes the return information from the obtained vector character. According to the bus communication control system, instantaneity and reliability of the communication between the remote terminal and the bus controller is ensured.
Description
Technical field
The present invention relates to bus communication control technology field.More particularly, to a kind of based on request return formula communication
Bus communication control system.
Background technology
At present the carrier-borne field of domestic air mail adopts MIL-1553B bus communications, in aircraft and carrier-borne as bus marco
Bus communication control system under the platform of device (BC) needs the requirement for meeting information exchange and SECO, is being controlled meter
Calculate needs accurately, timely to receive and parse aircraft and carrier-borne every order simultaneously, and makes quickly response and return letter
Breath.The communication modes of traditional bus communication control system by the way of question-response, by specifying time delay between question and answer
Mode, long-time takes or wastes bus communication resource, and can not meet the demand of quick response.
Accordingly, it is desirable to provide one kind with largest optimization bus resource, and can make the total for MIL-1553B of quick response
The bus communication control system based on request return formula communication of line.
The content of the invention
It is an object of the invention to provide a kind of bus communication control system based on request return formula communication.
To reach above-mentioned purpose, the present invention adopts following technical proposals：
A kind of bus communication control system based on request return formula communication, including：Remote terminal and bus control unit, far
By bus communication cable connection between journey terminal and bus control unit, remote terminal include bus communication control chip and
1553B controllers, bus control unit includes bus communication information management system, and bus communication cable includes address wire and data
Line；
Bus communication information management system controlling bus controller distributes remote terminal address by address wire, sets up long-range
Communication between terminal and bus control unit；
Bus communication information management system controlling bus controller is sent by data wire to remote terminal includes data word
With the first command information of the coding line that T/R positions are 0, coding line is including subaddress information and verifies and word；
1553B controllers are received after the first command information, and coding line is stored in the caching of 1553B controllers, and parsing refers to
The subaddress information in word is made, data word is stored in the corresponding subaddressing of the memory cell of 1553B controllers, to bus communication
Control chip sends and receives interrupt signal；
Bus communication control chip is received after reception interrupt signal, reads coding line, the subaddressing letter in coding line
Breath read data words, data word is carried out verification be calculated verification and, by it is calculated verification and with coding line in school
Test and be compared with word, if correct data word is parsed, by the write vector font of the reported information comprising subaddress information, will swear
Amount word is stored in the caching of 1553B controllers, and control 1553B controllers to bus control unit sends status word；
Bus communication information management system is received after status word, and the coding line for including that T/R positions are 1 is sent to remote terminal
Second command information；
1553B controllers are received after the second command information, and to bus control unit BC vector font is sent；
Bus communication information management system parses the reported information comprising subaddress information from vector font.
Preferably, bus communication information management system is received after status word, sends to remote terminal RT wrap in a periodic manner
Include the second command information of the coding line that T/R positions are 1.
Beneficial effects of the present invention are as follows：
Technical scheme of the present invention is capable of achieving quick response and parsing bus line command information, actively returns bus line command letter
The control requirement of breath, with largest optimization bus resource, and can make quick response, it is ensured that the real-time and reliability of communication.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates the schematic diagram of the bus communication control system based on request return formula communication.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below institute is concrete
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in figure 1, a kind of bus communication control system based on request return formula communication disclosed by the invention, including it is remote
Journey terminal RT and bus control unit BC, by bus communication cable connection between remote terminal RT and bus control unit BC, remotely
Terminal RT includes bus communication control chip and 1553B controllers, and bus control unit BC includes bus communication information management system,
Bus communication cable includes address wire and data wire；Electrical characteristic based on the bus communication control system of request return formula communication
Meet the digital time-devision systems of GJB289A-1997 and instruct response type multiplex data bus standard relevant regulations.
Remote terminal RT uses isolating transformer by the connecting interface that bus communication cable is connected with bus control unit BC
Isolated.Bus communication information management system as the top level control system in bus control unit BC, with bus communication system
The function of system organizational information transmission, respective control function is carried out by internal control to bus control unit BC.Bus communication is controlled
Chip is embedded in remote terminal RT, is controlled with report-back function, bus communication control chip are parsed and asked to command information
1553B controllers carry out respective control function to remote terminal RT.1553B controllers are by internal control unit and bus communication
Control chip carries out bus marco and information exchange, 1553B controllers have storage bus line command information, produce communicating interrupt,
Send the functions such as bus response message.
On bus communication control system based on request return formula communication during electricity：The control of bus communication information management system is total
Lane controller BC arranges remote terminal RT addresses by address wire, distributes remote terminal address, sets up remote terminal RT and bus
Communication between controller BC.
When being communicated based on the bus communication control system of request return formula communication：
Bus communication information management system controlling bus controller BC is sent by data wire to remote terminal RT includes number
According to word and the first command information of coding line that T/R positions are 0, coding line includes subaddress information and verification and word, wherein, instruction
T/R positions in word are that 0 expression bus control unit BC requires remote terminal RT receiving data words；
1553B controllers in remote terminal RT are received after the first command information, and the coding line that T/R positions are 0 is stored in
In the caching of 1553B controllers, data word is stored in the storage list of 1553B controllers by the subaddress information in analysis instruction word
In first corresponding subaddressing, send to bus communication control chip and receive interrupt signal；
Bus communication control chip is received after reception interrupt signal, and T/R positions are read from the caching of 1553B bus control units
For 0 coding line, according to the subaddress information in the coding line that T/R positions are 0, from the memory cell of 1553B bus control units
Read data words in corresponding subaddressing, verification are carried out to data word and are calculated verification and are verified calculated and and T/R
Position is that the verification in 0 coding line and word are compared, and if correct data word is parsed, and the return comprising subaddress information is believed
In breath write vector font, vector font is stored in the caching of 1553B controllers, and controls 1553B controllers to bus control unit
BC sends status word；
Bus communication information management system is received after status word, and send to remote terminal RT includes T/R positions in a periodic manner
For the second command information of 1 coding line, wherein, the T/R positions in coding line are 1 to represent that bus control unit BC requires remote terminal
RT sends the vector font for carrying reported information；
1553B controllers are received after the second command information, and to bus control unit BC the caching of 1553B bus control units is sent
The vector font of middle storage；
Bus communication information management system parses the reported information comprising subaddress information from vector font.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this
Obvious change that bright technical scheme is extended out changes row still in protection scope of the present invention.
Claims (2)
1. a kind of bus communication control system based on request return formula communication, including remote terminal and bus control unit, it is special
Levy and be, by bus communication cable connection between remote terminal and bus control unit, remote terminal includes bus communication control
Chip and 1553B controllers, bus control unit include bus communication information management system, bus communication cable include address wire and
Data wire；
Bus communication information management system controlling bus controller distributes remote terminal address by address wire, sets up remote terminal
Communication between bus control unit；
Bus communication information management system controlling bus controller is sent by data wire to remote terminal includes data word and T/R
Position is the first command information of 0 coding line, and coding line includes subaddress information and verification and word；
1553B controllers are received after the first command information, coding line are stored in the caching of 1553B controllers, analysis instruction word
In subaddress information, data word is stored in the corresponding subaddressing of the memory cell of 1553B controllers, to bus communication control
Chip sends and receives interrupt signal；
Bus communication control chip is received after reception interrupt signal, reads coding line, and the subaddress information in coding line is read
Fetch data word, data word is carried out verification be calculated verification and, by it is calculated verification and with coding line in verification and
Word is compared, and if correct data word is parsed, and the reported information comprising subaddress information is write in vector font, by vector font
In being stored in the caching of 1553B controllers, control 1553B controllers to bus control unit sends status word；
Bus communication information management system is received after status word, and to remote terminal the second of the coding line for including that T/R positions are 1 is sent
Command information；
1553B controllers are received after the second command information, and to bus control unit BC vector font is sent；
Bus communication information management system parses the reported information comprising subaddress information from vector font.
2. it is according to claim 1 based on the bus communication control system for asking the communication of return formula, it is characterised in that bus
Communication information management system is received after status word, sends the coding line for including that T/R positions are 1 to remote terminal RT in a periodic manner
Second command information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014696.7A CN106656713B (en) | 2017-01-10 | 2017-01-10 | A kind of bus communication control system based on request return formula communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014696.7A CN106656713B (en) | 2017-01-10 | 2017-01-10 | A kind of bus communication control system based on request return formula communication |
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| CN106656713A true CN106656713A (en) | 2017-05-10 |
| CN106656713B CN106656713B (en) | 2019-07-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431780A (en) * | 2020-03-13 | 2020-07-17 | 中国空间技术研究院 | Communication method and device of 1553B bus system |
| CN111708347A (en) * | 2020-06-08 | 2020-09-25 | 湖北三江航天万峰科技发展有限公司 | Control equipment testing device and method based on vector word |
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| CN111431780A (en) * | 2020-03-13 | 2020-07-17 | 中国空间技术研究院 | Communication method and device of 1553B bus system |
| CN111708347A (en) * | 2020-06-08 | 2020-09-25 | 湖北三江航天万峰科技发展有限公司 | Control equipment testing device and method based on vector word |
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| Publication number | Publication date |
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| CN106656713B (en) | 2019-07-19 |
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