CN106789295A - A kind of SpaceWire bus communication systems and its supervision equipment - Google Patents
A kind of SpaceWire bus communication systems and its supervision equipment Download PDFInfo
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- CN106789295A CN106789295A CN201611246973.9A CN201611246973A CN106789295A CN 106789295 A CN106789295 A CN 106789295A CN 201611246973 A CN201611246973 A CN 201611246973A CN 106789295 A CN106789295 A CN 106789295A
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- spacewire
- packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
The invention discloses a kind of SpaceWire bus communication systems and its supervision equipment, the supervision equipment includes：Monitoring board, a SpaceWire ports, the 2nd SpaceWire ports, computer and memory module；Monitoring board is used to forward extraneous host node device and the interaction data from node device between a SpaceWire ports and the 2nd SpaceWire ports, and the corresponding packet of decoding generation is carried out to interaction data, and carries out time marking；Computer is used to read the packet after monitoring board addition time marking, and the packet is parsed according to SpaceWire communication protocols, and header packet information, data message and the temporal information that will be parsed are stored into memory module.The supervision equipment carries out time marking and record to interaction data, when occur communication failure when, can by play back storage packet find wrong data occur time and bit, the reason for generation so as to find failure, failure is positioned.
Description
Technical field
The present invention relates to electronic surveying field, more particularly to a kind of SpaceWire bus communication systems and its monitoring set
It is standby.
Background technology
SpaceWire buses are a kind of high speed, point-to-point, full duplex serial bus network, bit rate 2-400Mb/s,
Coding and the transmission of data are realized to differential signal using each direction two, the bus is widely used in space flight, aviation field.
Traditional SpaceWire port data transmissions and recording mode be, SpaceWire host node devices and
From after node device startup work, the SpaceWire host node devices data is activation that will be sent extremely route SpaceWire
Device, is addressed by router, then by router by data output to SpaceWire from node device, SpaceWire from
Node device stores data and current time in the lump.Or SpaceWire sends data to router from node device, by road
It is addressed by device, send the data to SpaceWire host node devices, SpaceWire host node devices enter to the data
Row storage.
In above-mentioned communication process, only it is satisfied by from node device in SpaceWire host node devices and SpaceWire
Communicated in the case of corresponding data communication protocol requirement and can just be normally carried out, correct data can just be recorded.When communication occurs
During failure, SpaceWire host node devices or SpaceWire cannot recognize the data for receiving from node device, and communication will
It is interrupted, it is impossible to carry out fault location.
Therefore, how to realize former from there is communication between node device in SpaceWire host node devices and SpaceWire
During barrier, fault location can be carried out, be the current technical issues that need to address of those skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of SpaceWire bus communication systems and its supervision equipment, it is possible to achieve
SpaceWire host node devices and SpaceWire from there is communication failure between node device when, fault location can be carried out.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of SpaceWire bus monitorings equipment, including：Monitoring board, a SpaceWire ports, second
SpaceWire ports, computer and memory module；Wherein, a SpaceWire ports are used to connect the monitoring board
With extraneous router；The 2nd SpaceWire ports are used to connect the monitoring board and the external world from node device；The prison
Depending on board be used to being forwarded between a SpaceWire ports and the 2nd SpaceWire ports extraneous host node device and
The interaction data from node device, and the corresponding packet of decoding generation is carried out to the interaction data, and when carrying out
Between identify；The computer is used to read the packet after the monitoring board addition time marking, and logical according to SpaceWire
Letter agreement is parsed to the packet, and header packet information, data message and the temporal information that will be parsed are stored to described deposits
In storage module.
Preferably, the monitoring board includes：FPGA module, power module and clock module, wherein, the FPGA module
For being decoded to the interaction data, corresponding packet is generated；The power module be used for for the FPGA module with
And the clock module is powered；The clock module is used to provide temporal information according to Fixed Time Interval, by the corresponding time
Information is stored to the respective byte of the packet.
Preferably, the monitor board card is connected by pci bus and the computer.
Preferably, the FPGA module includes：D/S decoding units, for carrying out D/S decodings to the interaction data；Number
According to buffer unit, for being cached by the decoded data of D/S decoding units, generating corresponding binary data
Bag；Pci bus control unit, for applying interrupting, the binary data packets that the elapsed time is identified are total by the PCI
Line is committed to the computer.
Preferably, the computer includes：Processing module, the number after time marking is added for reading the monitoring board
According to bag, and the packet is parsed according to SpaceWire communication protocols, the header packet information that will parse, data message with
And in time information Store to the memory module；Display module, realtime curve is carried out for responding operator's operation.
Preferably, the memory module is storage hard disk and extension SSD solid state hard discs.
A kind of SpaceWire bus communication systems, including：
SpaceWire bus monitoring equipment as described in above-mentioned any one；
The router being connected with a SpaceWire ports；
The host node device being connected with the router by SpaceWire cables；
With the 2nd SpaceWire ports connection from node device.
Preferably, it is described to be provided with pulse output end mouthful from node device, set in the SpaceWire bus monitorings equipment
There are clock synchronous port, the pulse output end mouthful and clock synchronous port connection, the SpaceWire bus monitorings set
It is standby to be additionally operable to carry out time synchronized according to the pulse signal from node device output..
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of SpaceWire bus monitorings equipment provided by the present invention, including：Monitoring board, a SpaceWire ends
Mouth, the 2nd SpaceWire ports, computer and memory module；Wherein, a SpaceWire ports are used for connection monitoring board
With extraneous router；2nd SpaceWire ports are used for connection monitoring board and extraneous from node device；Monitoring board is used for
Extraneous host node device and the interaction from node device are forwarded between first SpaceWire ports and the 2nd SpaceWire ports
Data, and the corresponding packet of decoding generation is carried out to interaction data, and carry out time marking；Computer is used to read monitoring
Board adds the packet after time marking, and the packet is parsed according to SpaceWire communication protocols, will parse
Header packet information, data message and temporal information stored into memory module.There is number when host node device and from node device
During according to interaction, the interaction data is transmitted to target device by supervision equipment when the interaction data is received, and realizes normal number
According to transmission, at the same time, supervision equipment carries out time marking and interaction data is recorded in real time to interaction data, when main section
Point device and between node device occur communication failure when, can by play back storage packet find wrong data occur
Time and bit, the reason for generation so as to find failure, failure is positioned.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
The SpaceWire bus monitoring device structure schematic diagrams that Fig. 1 is provided by a kind of specific embodiment of the invention；
The SpaceWire bus communication system structural representations that Fig. 2 is provided by a kind of specific embodiment of the invention；
Fig. 3 is the SpaceWire bus communication system structural representations that another kind specific embodiment of the invention is provided.
Specific embodiment
Core of the invention is to provide a kind of SpaceWire bus communication systems and its supervision equipment, it is possible to achieve
SpaceWire host node devices and SpaceWire from there is communication failure between node device when, fault location can be carried out.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright specific embodiment is described in detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with it is various not
It is same as other manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
Refer to Fig. 1, the SpaceWire bus monitoring equipment knots that Fig. 1 is provided by a kind of specific embodiment of the invention
Structure schematic diagram.
A kind of specific embodiment of the invention provides a kind of SpaceWire bus monitorings equipment, including：Monitoring board
31st, a SpaceWire ports 32, the 2nd SpaceWire ports 33, computer 34 and memory module 35；Wherein, first
SpaceWire ports 33 are used for connection monitoring board 31 and extraneous router；2nd SpaceWire ports 33 are used for connection monitoring
Board 31 is with extraneous from node device；Monitoring board 31 is used in a SpaceWire ports 32 and the 2nd SpaceWire ports
Extraneous host node device and the interaction data from node device are forwarded between 33, and decoding generation correspondence is carried out to interaction data
Packet, and carry out time marking；Computer 34 is used to read the packet after the monitoring addition time marking of board 31, and root
The packet is parsed according to SpaceWire communication protocols, header packet information, data message and the temporal information that will be parsed
Store into memory module 35.
Wherein, host node device is SpaceWire host node devices, is SpaceWire from node device from node device.
When host node device and having data interaction from node device, supervision equipment when the interaction data is received, by the interaction number
According to target device is transmitted to, normal data transfer is realized.
I.e. when host node device and from node device startup work, when starting data transfer, supervision equipment startup work, when
Interaction data from host node device send to from node device when, interaction data is sent to router, pathway by host node device
After addressing, the interaction data is sent into supervision equipment, then sent into from node device the interaction data by supervision equipment, it is real
Existing normal data transfer.When interaction data from sent to host node device from node device when, by from node device will interaction number
According to sending to supervision equipment, supervision equipment sends to router interaction data, is sent to main section interaction data by router
Point device, realizes normal data transfer.
At the same time, supervision equipment carries out time marking and interaction data is remembered in real time to the interaction data for receiving
Record, when host node device and when there is communication failure between node device, can find mistake by playing back the packet of storage
By mistake data occur time and bit, the reason for generation so as to find failure, failure is positioned.
In one embodiment of the invention, monitoring board 31 includes：FPGA module 311, power module 312 and clock
Module 313, wherein, FPGA module 311 is used to decode interaction data, generates corresponding packet；Power module 312 is used
In being that FPGA module 311 and clock module 313 are powered；Clock module 313 is used to provide time letter according to Fixed Time Interval
Breath, corresponding temporal information is stored to the respective byte of packet.Monitoring board 31 is connected by pci bus and computer 34.
Further, FPGA module includes：D/S decoding units, for carrying out D/S decodings to interaction data；Data are delayed
Memory cell, for being cached by the decoded data of D/S decoding units, generating corresponding binary data packets；PCI is total
The binary data packets that elapsed time identifies, for applying interrupting, are committed to computer by line traffic control unit by pci bus,
The task that binary data packets are committed to computer is applied in the way of interrupting.
Computer includes：Processing module, for the packet after reading monitoring board addition time marking, and according to
SpaceWire communication protocols are parsed to the packet, and header packet information, data message and the temporal information that will be parsed are deposited
In storage to memory module；Display module, realtime curve is carried out for responding operator's operation.
In the present embodiment, host node device and from the interaction data between node device under normal circumstances when sending
Have passed through D/S codings (i.e. data-strobe is encoded, for bit synchronization in data communication).When interaction data enters supervision equipment
In after, interaction data enter monitoring board after, interaction data is decoded through the D/S decoding units in FPGA module, then
Feeding data buffer storage unit is cached, and forms a certain size binary data packets, now provides time letter by clock module
Breath, provides temporal information at regular intervals, is stored to the respective byte of binary data packets, i.e., stamp time stamp, FPGA to packet
Module is interrupted by the application of pci bus control unit, and packet is committed into computer by pci bus.Computer passes through DMA
(direct memory access) read data packet, after computer read data packet terminates, is processed packet, i.e. basis
SpaceWire communication protocols are parsed to the packet, are parsed after header packet information and data message together with temporal information one
And store into memory module, while realtime curve can be carried out on computers as needed.
In whole data transmission procedure, supervision equipment is to have carried out two times transfer to interaction data, to the biography of data
It is defeated to have little to no effect.The data such as all control characters, packet, erroneous packets are recovered according to communications protocol with computer,
And stored and shown according to reception time tag.I.e. embodiments of the present invention are carried out by the data on data/address bus
Monitoring, real time record turnover port data, solves the implementation record problem analysis of SpaceWire port datas, and it is right to realize
The positioning of wrong data bag and the recovering and analysis of data.
In the present embodiment, it is storage hard disk that memory module is preferably, and the amount of storage of storage hard disk is preferably greater than
500GByte, while memory capacity can be increased by extending SSD solid state hard discs.
Refer to Fig. 2, the SpaceWire bus communication system knots that Fig. 2 is provided by a kind of specific embodiment of the invention
Structure schematic diagram.
One embodiment of the present invention additionally provides a kind of SpaceWire bus communication systems, including：Any reality as described above
The SpaceWire bus monitorings equipment 3 that the mode of applying is provided；The router 2 being connected with a SpaceWire ports；Pass through
The host node device 1 that SpaceWire cables are connected with router 2；With the 2nd SpaceWire ports connection from node device 4.
In the present embodiment, when host node device is with from node device startup work, when starting data transfer, monitoring sets
Standby to start work, when interaction data is sent to from node device from host node device, interaction data is sent by host node device
To router, through routing addressing after, by the interaction data send into supervision equipment, then by supervision equipment by the interaction data send into
From node device, normal data transfer is realized.When interaction data from sent to host node device from node device when, by from node
Equipment sends to supervision equipment interaction data, and supervision equipment sends to router interaction data, and number will be interacted by router
According to sending to host node device, normal data transfer is realized.
At the same time, supervision equipment carries out time marking and interaction data is remembered in real time to the interaction data for receiving
Record, when host node device and when there is communication failure between node device, can find mistake by playing back the packet of storage
By mistake data occur time and bit, the reason for generation so as to find failure, failure is positioned.
Further, pulse output end mouthful is provided with from node device, SpaceWire bus monitoring equipment is provided with clock
Synchronous port, pulse output end mouthful and the connection of clock synchronous port, SpaceWire bus monitoring equipment are additionally operable to basis from node
The pulse signal of equipment output carries out time synchronized.
Fig. 3 is refer to, Fig. 3 is the SpaceWire bus communication systems that another kind specific embodiment of the invention is provided
Structural representation.
For the synchronism of the time of improving, in the present embodiment, preferably pulse output end mouthful is provided with from node device 4
41, supervision equipment 3 is provided with clock synchronous port 36, and pulse output end mouthful 41 and clock synchronous port 36 are connected, supervision equipment 3
It is additionally operable to carry out time synchronized according to the pulse signal from the output of node device 4.
In the present embodiment, certain requirement can be set to markers precision.Calculated according to 200Mbps Bus Speeds,
Data rate per second is 200Mbps/S, and a usual data packet length is 1024B, target side when stamping by every 1 microsecond
Case, each packet can stamp 39 time scale informations.
Preferably, link connection cable be SpaceWire private cables, by four pairs of set of twisted pair into；Fpga chip is optional
Select A3PE3000L-FG896；SpaceWire ports realize that signal is changed using SN65LVDS31 and SN65LVDS32 chips, increase
Strong port signal reliability.
In sum, SpaceWire bus communication systems provided by the present invention and its supervision equipment, it is possible to achieve
SpaceWire host node devices and SpaceWire from there is communication failure between node device when, fault location can be carried out.
Detailed Jie has been carried out to a kind of SpaceWire bus communication systems provided by the present invention and its supervision equipment above
Continue.Specific case used herein is set forth to principle of the invention and implementation method, and the explanation of above example is only
It is to be used to help understand the present invention and its core concept.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter in the protection domain of the claims in the present invention.
Claims (8)
1. a kind of SpaceWire bus monitorings equipment, it is characterised in that including：Monitoring board, a SpaceWire ports, the
Two SpaceWire ports, computer and memory module；Wherein, a SpaceWire ports are used to connect the monitor board
Card and extraneous router；The 2nd SpaceWire ports are used to connect the monitoring board and the external world from node device；It is described
Monitoring board is used to forward extraneous host node device between a SpaceWire ports and the 2nd SpaceWire ports
With the interaction data from node device, and the decoding corresponding packet of generation is carried out to the interaction data, and carried out
Time marking；The computer is used to read the packet after the monitoring board addition time marking, and according to SpaceWire
Communication protocol is parsed to the packet, and header packet information, data message and the temporal information that will be parsed are stored to described
In memory module.
2. equipment according to claim 1, it is characterised in that the monitoring board includes：FPGA module, power module and
Clock module, wherein, the FPGA module is used to decode the interaction data, generates corresponding packet；The electricity
Source module is used to be that the FPGA module and the clock module are powered；The clock module is used for according to Fixed Time Interval
Temporal information is given, corresponding temporal information is stored to the respective byte of the packet.
3. equipment according to claim 2, it is characterised in that the monitor board card passes through pci bus and the computer
Connection.
4. equipment according to claim 3, it is characterised in that the FPGA module includes：D/S decoding units, for right
The interaction data carries out D/S decodings；Data buffer storage unit, for entering by the decoded data of D/S decoding units
Row caching, generates corresponding binary data packets；Pci bus control unit, for applying interrupting, the institute that the elapsed time is identified
State binary data packets and be committed to the computer by the pci bus.
5. the equipment according to any one of Claims 1-4, it is characterised in that the computer includes：Processing module, uses
Packet after the monitoring board addition time marking is read, and the packet is entered according to SpaceWire communication protocols
Row parsing, header packet information, data message and the temporal information that will be parsed is stored into the memory module；Display module,
Realtime curve is carried out for responding operator's operation.
6. equipment according to claim 5, it is characterised in that the memory module is that storage hard disk and extension SSD consolidate
State hard disk.
7. a kind of SpaceWire bus communication systems, it is characterised in that including：
SpaceWire bus monitoring equipment as described in any one of claim 1 to 6；
The router being connected with a SpaceWire ports；
The host node device being connected with the router by SpaceWire cables；
With the 2nd SpaceWire ports connection from node device.
8. system according to claim 7, it is characterised in that described to be provided with pulse output end mouthful, institute from node device
State SpaceWire bus monitoring equipment and be provided with clock synchronous port, the pulse output end mouthful and the clock synchronous port
Connection, the SpaceWire bus monitorings equipment is additionally operable to carry out the time according to the pulse signal from node device output
It is synchronous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611246973.9A CN106789295A (en) | 2016-12-29 | 2016-12-29 | A kind of SpaceWire bus communication systems and its supervision equipment |
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| CN201611246973.9A CN106789295A (en) | 2016-12-29 | 2016-12-29 | A kind of SpaceWire bus communication systems and its supervision equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369339A (en) * | 2017-08-29 | 2017-11-21 | 中国民用航空总局第二研究所 | ADS B downlink datas link analysis checking system based on CPCI frameworks |
| CN109831349A (en) * | 2018-12-27 | 2019-05-31 | 中国空间技术研究院 | A kind of SpaceWire bus free topology error rate test system and method |
| CN110430023A (en) * | 2019-07-23 | 2019-11-08 | 北京控制工程研究所 | A kind of data transmission method suitable for SpaceWire bus communication |
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753318A (en) * | 2009-12-21 | 2010-06-23 | 西安电子科技大学 | System and method for realizing data recording function of grouping exchanger |
| CN103684945A (en) * | 2012-09-25 | 2014-03-26 | 上海航天测控通信研究所 | General spacewire node device |
| CN103746878A (en) * | 2013-12-31 | 2014-04-23 | 北京航空航天大学 | Simulation system for measuring transmission time of SpaceWire data packets |
| CN104135412A (en) * | 2014-07-28 | 2014-11-05 | 北京航天自动控制研究所 | Serial bus redundant communication method oriented to multi-point Internet application |
| US9026692B2 (en) * | 2007-01-09 | 2015-05-05 | Aeroflex Colorado Springs Inc. | Data throttling circuit and method for a spacewire application |
| CN104869059A (en) * | 2015-06-03 | 2015-08-26 | 北京航空航天大学 | Route backup method based on Space Wire time code |
| CN104991978A (en) * | 2015-06-11 | 2015-10-21 | 北京航空航天大学 | Fiber-optic gyroscope real-time data acquisition card based on SpaceWire interface |
| CN105068417A (en) * | 2015-07-17 | 2015-11-18 | 上海卫星工程研究所 | SpaceWire network time service and calibration method |
| CN105739416A (en) * | 2016-05-06 | 2016-07-06 | 上海航天测控通信研究所 | Satellite-borne comprehensive electronic computer |
-
2016
- 2016-12-29 CN CN201611246973.9A patent/CN106789295A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9026692B2 (en) * | 2007-01-09 | 2015-05-05 | Aeroflex Colorado Springs Inc. | Data throttling circuit and method for a spacewire application |
| CN101753318A (en) * | 2009-12-21 | 2010-06-23 | 西安电子科技大学 | System and method for realizing data recording function of grouping exchanger |
| CN103684945A (en) * | 2012-09-25 | 2014-03-26 | 上海航天测控通信研究所 | General spacewire node device |
| CN103746878A (en) * | 2013-12-31 | 2014-04-23 | 北京航空航天大学 | Simulation system for measuring transmission time of SpaceWire data packets |
| CN104135412A (en) * | 2014-07-28 | 2014-11-05 | 北京航天自动控制研究所 | Serial bus redundant communication method oriented to multi-point Internet application |
| CN104869059A (en) * | 2015-06-03 | 2015-08-26 | 北京航空航天大学 | Route backup method based on Space Wire time code |
| CN104991978A (en) * | 2015-06-11 | 2015-10-21 | 北京航空航天大学 | Fiber-optic gyroscope real-time data acquisition card based on SpaceWire interface |
| CN105068417A (en) * | 2015-07-17 | 2015-11-18 | 上海卫星工程研究所 | SpaceWire network time service and calibration method |
| CN105739416A (en) * | 2016-05-06 | 2016-07-06 | 上海航天测控通信研究所 | Satellite-borne comprehensive electronic computer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369339A (en) * | 2017-08-29 | 2017-11-21 | 中国民用航空总局第二研究所 | ADS B downlink datas link analysis checking system based on CPCI frameworks |
| CN109831349A (en) * | 2018-12-27 | 2019-05-31 | 中国空间技术研究院 | A kind of SpaceWire bus free topology error rate test system and method |
| CN110430023A (en) * | 2019-07-23 | 2019-11-08 | 北京控制工程研究所 | A kind of data transmission method suitable for SpaceWire bus communication |
| 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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