CN103051508B - A kind of 1553B bus plug and play control method - Google Patents
A kind of 1553B bus plug and play control method Download PDFInfo
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- CN103051508B CN103051508B CN201210532855.XA CN201210532855A CN103051508B CN 103051508 B CN103051508 B CN 103051508B CN 201210532855 A CN201210532855 A CN 201210532855A CN 103051508 B CN103051508 B CN 103051508B
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Abstract
A kind of 1553B bus plug and play control method, arranges load and installs standby electronic data sheet, improve loading device configuration information in electronic data sheet; Loading device is accessed 1553B bus; Bus control equipment periodically carries out poll to each loading device, and when loading device access bus network being detected, bus control equipment resolves the return data of respective loads equipment, obtains loading device address; After completing Address Recognition, bus control equipment is apprised of new loading device access bus network, and receives the physical address of new access device, and according to this physical address, obtains the electronic data sheet of this loading device, reads loading device configuration information; Bus control equipment, according to the electronic data sheet information area of the loading device configuration information update inside read, completes the identification to this loading device and control automatically.The present invention is the versatility of 1553B bus plug and play, autgmentability requires to provide strong support.
Description
Technical field
The present invention relates to a kind of bus control method, particularly, relate to a kind of 1553B bus plug and play control method.
Background technology
Along with the increase increasing and need transmitted data amount of Satellite Payloads kind, extensibility and the flexibility of the satellite 1553B control bus each payload connected together will directly affect the overall performance of satellite.Tradition 1553B bus cannot realize the automatic identification of loading equipemtn, and then the control that more cannot realize loading equipemtn and Resourse Distribute.For this situation, the necessity that is designed with of satellite 1553B data/address bus makes improvements to realize the plug-and-play feature based on 1553B bus.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of 1553B bus plug and play control method, to realize satellite 1553B bus to the automatic identification of loading device and control, realize plug and play.
According to an aspect of the present invention, a kind of 1553B bus plug and play control method is provided, comprises the following steps: step one, load is set and installs standby electronic data sheet, in electronic data sheet, improve loading device configuration information;
Step 2, accesses 1553B bus by loading device;
Step 3, bus control equipment periodically carries out poll to each loading device, and when loading device access bus network being detected, bus control equipment resolves the return data of respective loads equipment, obtains loading device address;
Step 4, after completing Address Recognition, bus control equipment is apprised of new loading device access bus network, and receive the physical address of new access device, and according to this physical address, obtain the electronic data sheet of this loading device, read loading device configuration information;
Step 5, bus control equipment, according to the electronic data sheet information area of the loading device configuration information update inside read, completes the identification to this loading device and control automatically.
Preferably, the method also comprises:
Step 6, when bus control equipment monitors loading device fault or after removing bus network, by upgrading the inner electronic data sheet information area, to loading device state putting maintenance into practice and management.
Preferably, this loading device electronic data sheet comprises: Sort Code, device id, telemetry intelligence (TELINT), remote measurement packet priority, self-test attribute, time attribute, SPW attribute and information of check code.
The present invention, by the design of satellite based on the electronic data sheet of 1553B bus plug-and-play feature, achieves bus control equipment to the automatic identification of payload equipment and control.Compared with prior art, the present invention has following beneficial effect: the present invention is by arranging equipment electronic data sheet, apparatus logic address (device id) and 1553B bus RT address being separated, (can be regarded as is the physical address of loading equipemtn, but number of addresses is limited, only 5bit, totally 31, limited address size easily causes the physical address of external equipment to repeat), efficiently solve the restricted number of RT address, for a large amount of expansions of PnP device provide inner technical foundation.Compared with prior art, the present invention by arranging equipment electronic data sheet, for the attribute configuration after equipment plug and play provides necessary information, for the versatility of 1553B bus plug and play, autgmentability require to provide strong support.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of the 1553B control system applying 1553B bus plug and play control method of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
A kind of 1553B bus plug and play control method, comprises the following steps:
Step one, arranges load and installs standby electronic data sheet, improve loading device configuration information in electronic data sheet.
As shown in table 1, loading device electronic data sheet comprises: Sort Code, device id, telemetry intelligence (TELINT), remote measurement packet priority, self-test attribute, time attribute, SPW attribute and information of check code.Wherein,
Sort Code field: classify to the function of this loading device, comprises basic classification code (5 bit) and subclassification code (6 bit);
Device id field: comprise vendor id (8 bit), revision ID (3 bit) and production sequence number (5 bit), vendor id identifies the manufacturer of this slave computer, and its value (numbering) is by totally distributing unitedly; Revision ID and production sequence number are distributed by manufacturer;
RT address: 5 bits, by realizing at the outside wire jumper of unit, at BC end, device id is corresponding with RT address;
Engineering remote measurement bag number: 4 bits, slave computer engineering remote measurement bag number, maximum 15;
Engineering remote measurement packet length: 7 bits, characterize engineering remote measurement handbag long, unit is word;
Bag 1 ~ wrap 15 priority: the biography priority down of engineering remote measurement bag 1 to bag 15, often wrap and represented by 2 bit informations, 00 be invalid bit, 01 represent pass under low speed, 10 represent middling speeds under pass, 11 represent high speeds under pass, unit is 0.5 second;
Self-test attribute field: comprise and whether support self-test function (8 bit) and self-test stand-by period (8 bit);
Time attribute: the update cycle (8 bit) comprising initialization time (8 bit) that RT powers up and inner remote measurement, unit is 0.5 second;
SPW attribute: provide the Mean Speed of this RT by SPW bus transfer, unit is Mbps.
Check code: CRC check.
Table 1 spreadsheet format
Step 2, accesses 1553B bus by loading device.
Step 3, bus control equipment periodically carries out poll to each loading device, and when loading device access bus network being detected, bus control equipment resolves the return data of respective loads equipment, obtains loading device address.
The address field distributed to loading device in 1553B agreement is 5, namely the RT address in electronic data sheet, from address 0 to the address 31(decimal system), wherein address 31 is the public address of all loading devices, for system broadcasts, address 0 is can allocation address to address 30, and each loading device enjoys a special physical address.
Bus control equipment periodically carries out poll to each loading device successively from address 1, and when loading device access bus network, bus control equipment obtains and resolves the return data of respective loads equipment.
Step 4, after completing Address Recognition, bus control equipment is apprised of new loading device access bus network, and receive the physical address of new access device, and according to this physical address, obtain the electronic data sheet of this loading device, read loading device configuration information.
After completing " Address Recognition ", bus control equipment is apprised of new loading device access bus network, and receives the physical address of new access device.Bus control equipment is according to this physical address, the 1553B bus driver provided by operating system accesses this equipment, obtain this loading device and there is " electronic data sheet (TEDS) " on a certain subaddressing, read the information such as loading device type, device id, remote measurement bag quantity.
Step 5, bus control equipment, according to the electronic data sheet information area of the loading device configuration information update inside read, completes the identification to this loading device and control automatically.
Step 6, when bus control equipment monitors loading device fault or after removing bus network, by upgrading the inner electronic data sheet information area, to loading device state putting maintenance into practice and management.
Adopt 1553B bus plug and play control method of the present invention, satellite 1553B bus control equipment is by carrying out poll to the Satellite Payloads equipment in bus and reading configuration information in electronic data sheet, complete the automatic identification to loading device and control, achieve the plug-and-play feature of 1553B bus.Simultaneously by upgrading the inner electronic data sheet information area, to loading device state putting maintenance into practice and management.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (3)
1. a 1553B bus plug and play control method, is characterized in that, comprise the following steps:
Step one, arranges loading device electronic data sheet, improves loading device configuration information in electronic data sheet;
Step 2, accesses 1553B bus by loading device;
Step 3, bus control equipment periodically carries out poll to each loading device, and when loading device access bus network being detected, bus control equipment resolves the return data of respective loads equipment, obtains the physical address of loading device;
Step 4, after completing Address Recognition, bus control equipment is apprised of new loading device access bus network, and receive the physical address of new access device, and according to this physical address, obtain the electronic data sheet of this loading device, read loading device configuration information;
Step 5, bus control equipment, according to the electronic data sheet information area of the loading device configuration information update inside read, completes the identification to this loading device and control automatically.
2. 1553B bus plug and play control method according to claim 1, is characterized in that, also comprise:
Step 6, when bus control equipment monitors loading device fault or after removing bus network, by upgrading the inner electronic data sheet information area, to loading device state putting maintenance into practice and management.
3. 1553B bus plug and play control method according to claim 1, it is characterized in that, described loading device electronic data sheet comprises: Sort Code, device id, telemetry intelligence (TELINT), remote measurement packet priority, self-test attribute, time attribute, SPW attribute and information of check code.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532855.XA CN103051508B (en) | 2012-12-11 | 2012-12-11 | A kind of 1553B bus plug and play control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532855.XA CN103051508B (en) | 2012-12-11 | 2012-12-11 | A kind of 1553B bus plug and play control method |
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| CN103051508A CN103051508A (en) | 2013-04-17 |
| CN103051508B true CN103051508B (en) | 2015-11-18 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104717023B (en) * | 2015-04-03 | 2017-11-28 | 上海航天电子通讯设备研究所 | The predictable 1553B buses engineering telemetry acquisition methods of communication performance |
| CN109655679A (en) * | 2017-10-11 | 2019-04-19 | 许继集团有限公司 | A kind of modularization high-tension apparatus plug & play sensor apparatus and system |
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| WO2003098448A1 (en) * | 2002-05-13 | 2003-11-27 | Innovative Concepts, Incorporated | Improved data modem |
| CN101018165A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Distributed network plug-and-play measurement and control system |
| CN102487347A (en) * | 2009-12-18 | 2012-06-06 | 哈尔滨工业大学 | Space intelligent bus interface system and space intelligent network system using same |
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2012
- 2012-12-11 CN CN201210532855.XA patent/CN103051508B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003098448A1 (en) * | 2002-05-13 | 2003-11-27 | Innovative Concepts, Incorporated | Improved data modem |
| CN101018165A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Distributed network plug-and-play measurement and control system |
| CN102487347A (en) * | 2009-12-18 | 2012-06-06 | 哈尔滨工业大学 | Space intelligent bus interface system and space intelligent network system using same |
Non-Patent Citations (1)
| Title |
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| 浅谈1553B总线及其应用发展;杨柳;《科学之友》;20120430;全文 * |
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