CN103684945A - General spacewire node device - Google Patents
General spacewire node device Download PDFInfo
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- CN103684945A CN103684945A CN201210358274.9A CN201210358274A CN103684945A CN 103684945 A CN103684945 A CN 103684945A CN 201210358274 A CN201210358274 A CN 201210358274A CN 103684945 A CN103684945 A CN 103684945A
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Abstract
The invention provides a general SpaceWire node device comprising a controller, a data cache unit, a SpaceWire node device and a transmission data storage unit. The controller receives data of a high-speed interface and transmits the data to the data cache unit. Then the data are read from the data cache unit to the transmission data storage unit. The SpaceWire node device sends the data in the transmission data storage unit to a SpaceWire network, and a sending state is returned to the controller. The controller also monitors the operation state of the SpaceWire node device, and the SpaceWire node device is configured according to the received configuration instruction set. Functions of communication and data interaction with the SpaceWire routing network can be completed so that matured products can be rapidly accessed to the SpaceWire network, and period and cost for developing new products can be reduced.
Description
Technical field
The present invention relates to satellite SpaceWire bussing technique, relate in particular to and can fast the products such as ripe load, data processor, mass storage be expanded to the general SpaceWire node apparatus of SpaceWire node device.
Background technology
At present, inside satellite connects the high-speed data treatment system of the equipment such as load, data processor, mass storage, and many LVDS technology that directly adopt are carried out the transmission of point-to-point, do not introduce bussing technique.But, along with space mission is increasingly sophisticated, need between distinct device, carry out a large amount of exchanges data, the communication of inevitable requirement inside satellite has higher processing speed, reliability and Radiation hardness, possess error detection and recovery capability, current system configuration cannot realize this requirement simultaneously.Developing a kind of new technology needs that can meet above-mentioned requirements bears very large risk and takies the very long research and development time, and SpaceWire bus provides a kind of base frame that is used for connecting the equipment such as load, data processor, mass storage of unification, this framework is applicable to the requirements such as transfer of data of satellite, but, do not communicate mutual with mass data and existing technology can be accessed fast to the equipment of SpaceWire network with SpaceWire route network.
Summary of the invention
The problem that the present invention solves is the needs that existing data handling system structure cannot adapt to satellite data transmission etc., and does not have the SpaceWire network equipment to communicate and data interaction with SpaceWire network.
For addressing the above problem, the invention provides a kind of general SpaceWire node apparatus, this node apparatus comprises controller, SpaceWire node device and transmission data storage cell, wherein, described controller receiving data receives instruction, data based on this data receiver command reception high-speed interface, the data that transmission receives are to described transmission data storage cell; Described controller also receives data and sends instruction, sends state that instruction and SpaceWire node device send data control described SpaceWire node device and send data in described transmission data storage cell to SpaceWire network based on these data; Described controller is also monitored the running status of described SpaceWire node device and is received configuration-direct collection, according to SpaceWire node device described in this configuration-direct set pair, is configured.
Alternatively, described controller comprises command analysis module, data receiver cache module and SpaceWire node control module, and wherein, described command analysis module is resolved described data receiver instruction, data send instruction and configuration-direct collection; The analysis result of the data receiver instruction that described data receiver cache module is resolved based on described command analysis module and receive the data of described high-speed interface, and by the data buffer storage receiving to described transmission data storage cell; Described SpaceWire node control module is monitored the running status of described SpaceWire node device, and according to parsing module, the analysis result of configuration-direct collection being configured to described SpaceWire node device, the analysis result control SpaceWire node device that also based on described command analysis module, data is sent to instruction sends to SpaceWire network from transmission data storage cell reading out data.
The present invention also provides a kind of general SpaceWire node apparatus, this node apparatus comprises controller, data buffer storage unit, SpaceWire node device and transmission data storage cell, wherein, described controller receiving data receives instruction, data based on this data receiver command reception high-speed interface, the data that transmission receives are to data buffer storage unit; Described controller also receives data and sends instruction, and the state that sends instruction and SpaceWire node device transmission data based on these data is from described data buffer storage unit reading out data to described transmission data storage cell; Described SpaceWire node device sends data in transmission data storage cell to SpaceWire network, and returns to transmission state to described controller; Described controller is also monitored the running status of described SpaceWire node device and is received configuration-direct collection, according to SpaceWire node device described in this configuration-direct set pair, is configured.
Alternatively, described controller comprises command analysis module, data receiver cache module, SpaceWire node control module and SpaceWire network transmission module, wherein, described command analysis module is resolved described data receiver instruction, data send instruction and configuration-direct collection; Described data receiver cache module receives the data of high-speed interface according to the analysis result of command analysis module, the data that transmission receives are to data buffer storage unit; Described SpaceWire network transmission module, according to command analysis module, data is sent to the analysis result of instruction and state that SpaceWire node device sends data transfers data to transmission data storage cell from described data buffer storage unit, by the state transfer of transmission data to SpaceWire node control module; The data that described SpaceWire node control module is controlled described SpaceWire node device transmission transmission data storage cell according to the state of SpaceWire network transmission module transmission data are to SpaceWire network, the state that also feedback sends data is to described SpaceWire network transmission module, and this SpaceWire node control module also configures described SpaceWire node device according to command analysis module to the analysis result of configuration-direct collection.
Alternatively, described transmission data storage cell adopts ping-pong buffer mechanism, described controller according to the data in the handling process transmission data buffer storage unit of ping-pong operation to transmitting data storage cell.
Compared with prior art, the present invention has the following advantages:
1, owing to the present invention includes controller, SpaceWire node device and transmission data storage cell, by depositing the data from high-speed interface in transmission data storage cell, control SpaceWire node device by the transfer of data in transmission data storage cell to SpaceWire network, so, can communicate the function with data interaction with SpaceWire route network, fast by matured product (such as, existing from LVDS interface) access SpaceWire network, construction cycle and the cost of reduction new product; In addition, the present invention is also configured described SpaceWire node device with receiving configuration-direct collection by the running status of SpaceWire node device described in described monitoring control devices, like this, control software to general SpaceWire node apparatus is done adaptability revision, can be by product access SpaceWire networks such as the ripe load of major part, data processor, mass storages, make SpaceWire bus communication transparence, without understanding SpaceWire bus, just existing procucts can be expanded to SpaceWire node device.
2, because SpaceWire node apparatus of the present invention comprises data buffer storage unit and transmission data storage cell, like this, a certain amount of data of data buffer storage unit buffer memory, to eliminate the impact that under wormhole routing mechanism, link obstructions is brought, have prevented the loss of valid data.
3, because transmission data storage cell of the present invention adopts ping-pong buffer mechanism, the level and smooth data flow on SpaceWire link, and improve data throughout.
Accompanying drawing explanation
Fig. 1 is the structural representation of SpaceWire node apparatus the first embodiment of the present invention;
Fig. 2 is the structural representation of SpaceWire node apparatus the second embodiment of the present invention.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being reached object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be described in detail.
Refer to Fig. 1, general SpaceWire node apparatus of the present invention comprises controller 1, SpaceWire node device 2, transmission data storage cell 3 and provides the crystal oscillator of clock pulse for controller 1 and SpaceWire node device 2.Described controller 1 receives control command and from the configuration-direct collection of SpaceWire network, this control command comprises that data receiver instruction and data sends instruction, also can comprise described configuration-direct collection, that is to say, controller 1 can receive the configuration-direct collection from SpaceWire network, also can accept configuration-direct collection from mature equipment (such as, 422 conventional interface instructions), described configuration-direct collection transmission rate change directive, the instructions such as packet routing address renewal.Described controller 1 receives data receiver instruction, data based on this data receiver command reception high-speed interface, the data that transmission receives are to described transmission data storage cell 3, described high speed interface is LVDS interface, and the data output interface of most load, data processor, mass storage is LVDS interface.Described controller 1 also receives data and sends instruction, sends state that instruction and SpaceWire node device 2 send data control described SpaceWire node device 2 and send data in described transmission data storage cell 3 to SpaceWire network based on these data; Also monitor the running status of 3 of described SpaceWire node devices and receive configuration-direct collection, according to SpaceWire node device 3 described in this configuration-direct set pair, be configured, concrete, described controller 1 comprises command analysis module 11, data receiver cache module 12 and SpaceWire node control module 13, wherein, described command analysis module 11 is resolved described data receiver instruction, data send instruction and configuration-direct collection; Described data receiver cache module 12 is resolved the analysis result of 11 data receiver instruction and is received the data of described high-speed interface based on described parsing module, and by the data buffer storage receiving to described transmission data storage cell 3; The running status of the described SpaceWire node device 2 of described SpaceWire node control module 13 monitoring, and configure described SpaceWire node device 2 according to the analysis result of 11 pairs of configuration-direct collection of command analysis module, also the analysis result control SpaceWire node device 2 based on 11 pairs of data transmission instructions of described command analysis module sends to SpaceWire network from transmission data storage cell 3 reading out datas.
Please continue to refer to Fig. 1, the workflow of the present embodiment is as follows:
First, after powering on, 13 pairs of SpaceWire node devices 2 of the SpaceWire node control module of described controller 1 carry out initial configuration, and foundation links with SpaceWire network, and this link is carried out to real-time listening and maintenance.
When having high-speed data to input from high speed interface (LVDS interface), command analysis module 11 resolution datas receive instructions and also analysis result are sent to data receiver cache module 12, described data receiver cache module 12 according to the status indicator of " high-speed data is effective " by effective high speed data transfer to described data receiver cache module 12.Data receiver buffer unit 12, after receiving high-speed data, writes transmission data storage cell 3.When receiving data transmission instruction, command analysis module 11 resolution datas send instruction, the analysis result that data is sent to instruction is sent to described SpaceWire node control module 13, 13 pairs of SpaceWire node devices 2 of SpaceWire node control module are made corresponding configuration, such as the route of SpaceWire node device 2 transmission data is set, transmission rate etc., after setting completes, SpaceWire node device 2 sends read data instruction to transmission data storage cell 3, these instructions of response of transmission data storage cell 3 and by the high speed data transfer of storage to SpaceWire node device 2, SpaceWire node device 2 sends data to SpaceWire network according to the content of configuration.
In the present embodiment, the configuration of SpaceWire node device 2 can be changed by configuration-direct collection, when this instruction comes from SpaceWire network, first this instruction is stored in the inside FIFO(fifo registers of SpaceWire node device 3) in, and producing an interruption simultaneously, command analysis module 11 reads this configuration-direct collection and resolves in SpaceWire node device 3, if configuration-direct collection is from equipment (such as 422 interfaces), , command analysis module 11 is directly resolved this instruction, detailed process based on configuration-direct collection configuration SpaceWire device 3 is as follows: described command analysis module 11 is resolved this configuration-direct collection, analysis result is transferred to SpaceWire node control module 13, SpaceWire node control module 13 configures described SpaceWire node device 3 according to the running status of analysis result and the SpaceWire network that obtains from SpaceWire node device 2, as a kind of variation, described SpaceWire node control module 13 can also only configure described SpaceWire node device 3 according to configuration-direct collection.
Refer to Fig. 2, in order to eliminate the impact that under wormhole routing mechanism, link obstructions is brought, prevented the loss of valid data, the SpaceWire node apparatus of second embodiment of the invention comprises controller 1, data buffer storage unit 4, SpaceWire node device 2, transmission data storage cell 3 and provides the crystal oscillator of clock pulse for controller 1 and SpaceWire node device 2.Described controller 1 receives data receiver instruction, the data based on this data receiver command reception high-speed interface, and the data that transmission receives are to data buffer storage unit 4; Described controller 1 also receives data and sends instruction, and the state that sends instruction and SpaceWire node device 2 transmission data based on these data is from described data buffer storage unit 4 reading out datas to described transmission data storage cell 3; Described SpaceWire node device 2 sends data in transmission data storage cells 3 to SpaceWire network, and returns to transmission state to described controller 1; Described controller 1 is also monitored the running status of described SpaceWire node device 2 and is received configuration-direct collection, according to SpaceWire node device 2 described in this configuration-direct set pair, be configured, concrete, in the present embodiment, described controller 1 comprises command analysis module 11, data receiver cache module 12, SpaceWire node control module 13 and SpaceWire network transmission module 14, wherein, described command analysis module 11 is resolved described data receiver instruction, data send instruction and configuration-direct collection; Described data receiver cache module 12 receives the data of high-speed interface according to the analysis result of command analysis module, the data that transmission receives are to data buffer storage unit 4; Described SpaceWire network transmission module 14, according to command analysis module, data is sent to the analysis result of instruction and state that SpaceWire node device 2 sends data transfers data to transmission data storage cell 3 from described data buffer storage unit 4, by the state transfer of transmission data to SpaceWire node control module 13; The data that described SpaceWire node control module 13 is controlled described SpaceWire node device 2 transmission transmission data storage cells 3 according to the state of SpaceWire network transmission module 14 transmission data are to SpaceWire network, the state that also feedback sends data is to described SpaceWire network transmission module 14, and this SpaceWire node control module 13 also configures described SpaceWire node device according to command analysis module to the analysis result of configuration-direct collection.
Please continue to refer to Fig. 2, the workflow of the SpaceWire node apparatus of the present embodiment is as follows:
While receiving data receiver instruction, described command analysis module 11 is resolved these data and is sent instruction, and analysis result is transferred to described data receiver cache module 12, the analysis result of data receiver cache module 12 based on command analysis module 11 and " high-speed data be'ss effective " status indicator by effective high speed data transfer to data receiver cache module 12, then, data receiver cache module 12 sends and writes Data Control instruction to data buffer storage unit 4, data buffer storage unit 4 responds these instructions and makes the high-speed data of data receiver buffer unit 12 transmission receptions to data buffer storage unit 4.
While receiving data transmission instruction, described command analysis module 11 is resolved these data and is sent instruction, the analysis result of instruction is such as comprising the configuration-direct that transfers to SpaceWire node control module 13 and the data transfer instruction that transfers to SpaceWire network data transmission module 14, and SpaceWire node control module 13 is configured the transmission rate of SpaceWire node device 3 and/or route etc. according to configuration-direct.SpaceWire network data transmission module 14 according to described data transfer instruction from the interior reading out data of described data buffer storage unit 4 to transmitting data storage cell 3(in the present embodiment, described transmission data storage cell 3 adopts ping-pong buffer mechanism, described controller 1 according to the data in the handling process transmission data buffer storage unit 4 of ping-pong operation to transmitting data storage cell 3), and the result that transfers data to transmission data storage cell 3 is transferred to SpaceWire node control module 13, SpaceWire node control module 13 allows the configuration of transmission data and so on to SpaceWire node device 3 according to this result, afterwards, the instruction that SpaceWire node device 2 sends read data to transmission data storage cell 3, transmission data storage cell 3 responds these instructions and makes SpaceWire node device 2 from transmission data storage cell 3 reading out datas and be packaged into SpaceWire protocol data bag to send to SpaceWire network.After being transmitted, by transmission data state transfer to SpaceWire node control module 13, SpaceWire node control module 13 these states of transmission are to SpaceWire network data transmission module 14, the state of 14 pairs of these transmission data of SpaceWire network data transmission module judges, when the state of transmission data is " sending unsuccessful ", not from data buffer storage unit 4 reading out datas to transmitting data storage cell 3, when the state of transmission data is " sending successfully ", from the interior reading out data of data buffer storage unit 4 to transmitting data storage cell 3, and transmission result is transferred to SpaceWire node control module 13, SpaceWire node control module 13 configuration SpaceWire node devices 2, SpaceWire node device 2 sends to SpaceWire network from transmitting data storage cell reading out data and being packaged into SpaceWire protocol data bag, so circulation, until transfer of data completes.
In the present embodiment, the configuration of SpaceWire node device 2 can be changed by configuration-direct collection, and the mode of change, referring to the narration of the first embodiment, does not repeat them here.
In sum, owing to the present invention includes controller 1, SpaceWire node device 2 and transmission data storage cell 3, by the data from high-speed interface being deposited in to transmission data storage cell 3, control SpaceWire node device 2 by the transfer of data in transmission data storage cell 3 to SpaceWire network, so, can communicate the function with data interaction with SpaceWire route network, fast by matured product (such as, existing from LVDS interface) access SpaceWire network, construction cycle and the cost of reduction new product; In addition, the present invention is also configured described SpaceWire node device with receiving configuration-direct collection by the running status of SpaceWire node device described in described monitoring control devices, like this, control software to general SpaceWire node apparatus is done adaptability revision, can be by product access SpaceWire networks such as the ripe load of major part, data processor, mass storages, make SpaceWire bus communication transparence, without understanding SpaceWire bus, just existing procucts can be expanded to SpaceWire node device.
Claims (5)
1. a general SpaceWire node apparatus, is characterized in that: comprise controller, SpaceWire node device and transmission data storage cell, wherein,
Described controller receiving data receives instruction, the data based on this data receiver command reception high-speed interface, and the data that transmission receives are to described transmission data storage cell;
Described controller also receives data and sends instruction, sends state that instruction and SpaceWire node device send data control described SpaceWire node device and send data in described transmission data storage cell to SpaceWire network based on these data;
Described controller is also monitored the running status of described SpaceWire node device and is received configuration-direct collection, according to SpaceWire node device described in this configuration-direct set pair, is configured.
2. general SpaceWire node apparatus according to claim 1, is characterized in that: described controller comprises command analysis module, data receiver cache module and SpaceWire node control module, wherein,
Described command analysis module is resolved described data receiver instruction, data send instruction and configuration-direct collection;
The analysis result of the data receiver instruction that described data receiver cache module is resolved based on described command analysis module and receive the data of described high-speed interface, and by the data buffer storage receiving to described transmission data storage cell;
Described SpaceWire node control module is monitored the running status of described SpaceWire node device, and according to parsing module, the analysis result of configuration-direct collection being configured to described SpaceWire node device, the analysis result control SpaceWire node device that also based on described command analysis module, data is sent to instruction sends to SpaceWire network from transmission data storage cell reading out data.
3. a general SpaceWire node apparatus, is characterized in that: comprise controller, data buffer storage unit, SpaceWire node device and transmission data storage cell, wherein,
Described controller receiving data receives instruction, the data based on this data receiver command reception high-speed interface, and the data that transmission receives are to data buffer storage unit;
Described controller also receives data and sends instruction, and the state that sends instruction and SpaceWire node device transmission data based on these data is from described data buffer storage unit reading out data to described transmission data storage cell;
Described SpaceWire node device sends data in transmission data storage cell to SpaceWire network, and returns to transmission state to described controller;
Described controller is also monitored the running status of described SpaceWire node device and is received configuration-direct collection, according to SpaceWire node device described in this configuration-direct set pair, is configured.
4. general SpaceWire node apparatus according to claim 3, is characterized in that: described controller comprises command analysis module, data receiver cache module, SpaceWire node control module and SpaceWire network transmission module, wherein,
Described command analysis module is resolved described data receiver instruction, data send instruction and configuration-direct collection;
Described data receiver cache module receives the data of high-speed interface according to the analysis result of command analysis module, the data that transmission receives are to data buffer storage unit;
Described SpaceWire network transmission module, according to command analysis module, data is sent to the analysis result of instruction and state that SpaceWire node device sends data transfers data to transmission data storage cell from described data buffer storage unit, by the state transfer of transmission data to SpaceWire node control module;
The data that described SpaceWire node control module is controlled described SpaceWire node device transmission transmission data storage cell according to the state of SpaceWire network transmission module transmission data are to SpaceWire network, the state that also feedback sends data is to described SpaceWire network transmission module, and this SpaceWire node control module also configures described SpaceWire node device according to command analysis module to the analysis result of configuration-direct collection.
5. according to the general SpaceWire node apparatus described in claim 3 or 4, it is characterized in that: described transmission data storage cell adopts ping-pong buffer mechanism, described controller according to the data in the handling process transmission data buffer storage unit of ping-pong operation to transmitting data storage cell.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292518A (en) * | 2016-09-21 | 2017-01-04 | 深圳市汇川技术股份有限公司 | Remote PLC monitoring and debugging system and method |
| CN106789295A (en) * | 2016-12-29 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of SpaceWire bus communication systems and its supervision equipment |
| CN106789620A (en) * | 2016-11-29 | 2017-05-31 | 北京时代民芯科技有限公司 | A kind of SpaceWire telecommunication networks fault recovery method and system |
| CN112291110A (en) * | 2020-09-29 | 2021-01-29 | 北京空间飞行器总体设计部 | SpaceWire network interface bypass detection device |
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| CN110198186B (en) * | 2019-05-07 | 2020-09-25 | 北京航空航天大学 | High-speed SpaceWire optical fiber link test card capable of working offline |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080084886A1 (en) * | 2006-10-09 | 2008-04-10 | Honeywell International Inc. | System management bus port router |
| JP2010193325A (en) * | 2009-02-20 | 2010-09-02 | Mitsubishi Electric Corp | Protocol conversion apparatus |
| CN202190284U (en) * | 2011-08-17 | 2012-04-11 | 航天东方红卫星有限公司 | Protocol converter for CAN bus and SpaceWire bus |
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2012
- 2012-09-25 CN CN201210358274.9A patent/CN103684945B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292518A (en) * | 2016-09-21 | 2017-01-04 | 深圳市汇川技术股份有限公司 | Remote PLC monitoring and debugging system and method |
| CN106789620A (en) * | 2016-11-29 | 2017-05-31 | 北京时代民芯科技有限公司 | A kind of SpaceWire telecommunication networks fault recovery method and system |
| CN106789620B (en) * | 2016-11-29 | 2020-01-14 | 北京时代民芯科技有限公司 | SpaceWire communication network fault recovery method and system |
| CN106789295A (en) * | 2016-12-29 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of SpaceWire bus communication systems and its supervision equipment |
| CN112291110A (en) * | 2020-09-29 | 2021-01-29 | 北京空间飞行器总体设计部 | SpaceWire network interface bypass detection device |
| CN112291110B (en) * | 2020-09-29 | 2021-12-31 | 北京空间飞行器总体设计部 | SpaceWire network interface bypass detection device |
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