CN106708701A - Central maintenance device and method based on ARINC659 bus - Google Patents
Central maintenance device and method based on ARINC659 bus Download PDFInfo
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- CN106708701A CN106708701A CN201611153061.7A CN201611153061A CN106708701A CN 106708701 A CN106708701 A CN 106708701A CN 201611153061 A CN201611153061 A CN 201611153061A CN 106708701 A CN106708701 A CN 106708701A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Abstract
The invention relates to a central maintenance device and method based on an ARINC659 bus. The central maintenance device comprises the ARINC659 bus, a plurality of maintained node modules, a central node maintenance module, an upper industrial control module and an external communication bus. After receiving a maintenance command of the upper industrial control module through the external communication bus, the central node maintenance module forwards the maintenance command to the maintained node modules; after executing the maintenance command, the maintained node modules return maintenance responses to the central node maintenance module through the RINC659 bus; the central node maintenance module forwards the maintenance responses to the upper industrial control module through the external communication bus, and the upper industrial control module displays a result. Accordingly, a user can complete software and logic maintenance and upgrading of multiple maintained node modules in parallel through physical topological connection of the single external bus.
Description
Technical field
The invention belongs to the software maintenance technology of embedded computer, and in particular in a kind of bus based on ARINC659
Centre attending device and method.
Background technology
Embedded-type security critical computer system, often uses multiple processor plates in a cabinet.Each processor
Plate completes different functions and realizes systemic-function to combine, or is composed in parallel using the processor plate of complete said function
Redundant system is meeting the security requirement of Safety-Critical System.No matter which kind of mode, be required for processor plate in cabinet it
Between can by certain mode complete between information communication.
The backboard data/address bus of ARINC 659 (referred to as later：The buses of ARINC 659) be based on time triggered framework it is double-
The fault-tolerant universal serial bus of double redundant configurations, when it sends according to the bus that time planning table defines each node on core bus
Between, and specify that two BIU of sending node only in the case where the same cycle sends same data, can just transfer data to mesh
Node is marked, therefore the backboard data/address bus of ARINC 659 can serve as in the cabinet in the safety-critical such as Aeronautics and Astronautics, high ferro field
Core bus, is between a multiple processor nodes for computer system, there is provided it is determined that reliable inter-node communication.
For the computer system using ARINC659 core bus, its each processor node software, the monitoring of logic, dimension
Shield upgrading, what is generally used is that a processor plate is connected by serial line interface or network interface with upper industrial computer, each to calculate
Mode that machine is independently upgraded is completed.This mode needs each processor plate to be respectively formed with upper industrial computer to be connected, and needs
The physical topology to be completed connection is complicated, even and if each processor node need to safeguard same software, logical target code, also only
Order is completed each node of energy successively, and efficiency is poor.By contrast, a kind of central maintenance device of use ARINC659 buses and side
Method, with very simple connected mode, can complete computer with existing core bus resource in the utilization cabinet of high degree
The monitoring of all processor nodes and maintenance in system.
The content of the invention
The purpose of the present invention is：For the computer system using ARINC659 core bus, it is made full use of
The performance of ARINC659 core bus, using simple physical crosslinking relation, realizes all processor nodes in computer system
Software, the monitoring of logic, maintenance function.
Technical scheme：
A kind of central maintenance device based on ARINC659 buses is provided, it is characterised in that including：ARINC659 buses,
It is maintained node module, central maintenance node module, upper industry control module, external communication bus；
The described node module that is maintained is based on the node module in ARINC659 bus computer systems, the node
Module is used for processing maintenance command information, and can send response letter to central maintenance node module after maintenance command information is received
Number；
Described central maintenance node module, to hang over the processor node in ARINC659 buses, the processor node
Can be after the maintenance service command that upper industry control module is received by external communication bus to hanging in ARINC659 buses
Be maintained node module forwarding maintenance command information, and receive the response signal of node module being maintained relay to it is upper
Industry control module；
Described upper industry control module, sends maintenance command and believes by external communication bus to central maintenance node module
Breath, and the state of each node module is monitored, result is safeguarded in display；
Described ARINC659 buses, are to allow central maintenance node module and respectively be maintained node module and can receive and dispatch mutually
The core bus of data；
Described external communication bus is used to realize that the data between central maintenance node module and upper industry control module to be handed over
Mutually.
Further, the inside of described upper industry control module includes main communication Packet analyzing package module and safeguards service life
Module is made, safeguard the maintenance service command information of service command module carries out communication encapsulating by main communication Packet analyzing package module
Dress, and central maintenance node module is sent to, then by the main Packet analyzing package module that communicates by leading to that central maintenance node module is returned
News bag carries out unpacking treatment, is transmitted to and safeguards service command module and show result；
Being maintained the need for each is described inside node module includes being taken from communication Packet analyzing package module and maintenance
Business processing module；Judge whether the packet is for own node after bag data is received from communication Packet analyzing package module
Effective data packets, if it is, packet is transmitted into service processing module being processed, return after service processing module treatment
Data are given from communication Packet analyzing package module, then are sealed by the bag form that data communication bag is completed from communication Packet analyzing package module
Dress, service processing module is then used for processing maintenance command；If it is not, then packet discard.
Further, the service processing module that is maintained inside node module is expansible, i.e. service processing mould
Block is extended by the standard interface with communication Packet analyzing package module, without considering actual external bus communication side
Formula.
Further, the central maintenance node module can simultaneously forward maintenance command information to multiple node modules.
Further, the external communication bus for being used, being capable of the self adaptation switching between multiple standards bus.
Further, the central maintenance node module can forward maintenance command information, while completing central maintenance section
Put the maintenance function of itself.
There is provided a kind of central maintenance method based on ARINC659 buses, it is characterised in that including step：
Step one, when needing to carry out maintenance function to node module, upper industry control module by external bus, to center
Safeguard that node module sends and safeguard service command；
Step 2, according to service command is safeguarded, central maintenance node module determines the node module for needing to be serviced, in
Safeguard that node module will safeguard service command by ARINC659 Bus repeaters to the node module for determining in centre；
Step 3, node module are received after safeguarding service command and carry out corresponding maintenance function treatment, and are passed through
ARINC659 buses provide response to central maintenance node；After central maintenance node receives the response of the node module being maintained,
Upper industry control module is notified by external bus；Upper industry control module carries out maintenance service according to the maintenance service response for obtaining
The result of execution shows.
Further, in step 3, node module is received after safeguarding service command and carries out corresponding maintenance function treatment, dimension
Response is provided to central maintenance node by ARINC659 buses after the completion of protective function treatment.
Further, in step one, upper industry control module sends to central maintenance node module and safeguards that service command is many
The same item of the individual node module for needing to be maintained safeguards service command.
Further, in step 3, each node module of wait is given after safeguarding service response, in upper industry control module
In carry out safeguarding that the result of service execution shows.
Further, in step one, after upper industry control module sends to central maintenance node module safeguards service command,
If not received more than the upper industry control module of certain hour and safeguarding service response, upper industry control module directly displays maintenance time-out.
Further, in step one, after upper industry control module sends to central maintenance node module safeguards service command,
If still suffering from not returning more than certain hour and safeguarding service response, will not return and safeguard that the node of service response is defined as event
Barrier.
Further, after upper industry control module and shield node module receive invalid packet, may require that sender enters
Row data re-transmitting, if the number of re-transmission of the packet is more than a threshold values, it is determined that fail to send.
By the method and apparatus in the present invention, user can be connected by single bus physical topology, concurrently be completed
The maintenance of the software, logic of system is maintained to multiple, the function upgrading efficiency to being maintained system is greatly improved, this
Outward, the method can easily carry out the extension of service function, allow the function of communication link to be farthest multiplexed.
Brief description of the drawings
Fig. 1 is that a kind of module composition figure based on ARINC659 main central attending devices is；
A kind of basic flow sheets based on ARINC659 main central maintaining methods of Fig. 2；
Fig. 3 is to complete a schematic flow sheet for software programming based on ARINC659 main centrals maintaining method；
Fig. 4 is the internal module composition figure of upper industry control module；
Fig. 5 is the internal module composition figure for being maintained node module；
Specific embodiment
With reference to accompanying drawing, technical scheme is described in detail with an example as follows：
As shown in Figure 1, there is provided a kind of central maintenance device based on ARINC659 buses, it is characterised in that including：
ARINC659 buses, it is maintained node module, central maintenance node module, upper industry control module, external communication bus；
The described node module that is maintained is based on the node module in ARINC659 bus computer systems, the node
Module is used for processing maintenance command information, and can send response letter to central maintenance node module after maintenance command information is received
Number；
Described central maintenance node module, to hang over the processor node in ARINC659 buses, the processor node
Can either be by bus to external crosslinking, it is also possible to hanging over ARINC659 after the maintenance service command for receiving upper industry control module
Node module forwarding maintenance command information is maintained in bus, and receives the response signal of the node module being maintained and forwarded again
To upper industry control module；
Described upper industry control module, for sending maintenance command information to central maintenance node module, and monitors each section
Result is safeguarded in the state of point module, display；
Described ARINC659 buses, are to allow central maintenance node module and respectively be maintained node module and can receive and dispatch mutually
The core bus of data；
Described external communication bus, is to allow to be received and dispatched mutually between central maintenance node module and upper industry control module
Any one standard traffic bus of data.
Further, the inside of described upper industry control module includes main communication Packet analyzing package module and safeguards service life
Module is made, safeguard the maintenance service command information of service command module carries out communication encapsulating by main communication Packet analyzing package module
Dress, and central maintenance node module is sent to, then by the main Packet analyzing package module that communicates by leading to that central maintenance node module is returned
News bag carries out unpacking treatment, is transmitted to and safeguards service command module and show result；
Being maintained the need for each is described inside node module includes being taken from communication Packet analyzing package module and maintenance
Business processing module；Judge whether the packet is for own node after bag data is received from communication Packet analyzing package module
Effective data packets, if it is, packet is transmitted into service processing module being processed, return after service processing module treatment
Data are given from communication Packet analyzing package module, then are sealed by the bag form that data communication bag is completed from communication Packet analyzing package module
Dress, service processing module is then used for processing maintenance command；If it is not, then packet discard.
Further, the service processing module that is maintained inside node module is expansible, i.e. service processing mould
Block is extended by the standard interface with communication Packet analyzing package module, without considering actual external bus communication side
Formula.
Further, the central maintenance node module can simultaneously forward maintenance command information to multiple node modules.
Further, the central maintenance node module can forward maintenance command information, while completing central maintenance section
Put the maintenance function of itself.
As shown in Figure 2, there is provided a kind of central maintenance method based on ARINC659 buses, it is characterised in that including step：
Step one, when needing to carry out maintenance function to node module, upper industry control module by external bus, to center
Safeguard that node module sends and safeguard service command；
Step 2, according to service command is safeguarded, central maintenance node module determines the node module for needing to be serviced, in
Safeguard that node module will safeguard service command by ARINC659 Bus repeaters to the node module for determining in centre；
Step 3, node module are received after safeguarding service command and carry out corresponding maintenance function treatment, and are passed through
ARINC659 buses provide response to central maintenance node；After central maintenance node receives the response of the node module being maintained,
Upper industry control module is notified by external bus；Upper industry control module carries out maintenance service according to the maintenance service response for obtaining
The result of execution shows.
Further, in step 3, node module is received after safeguarding service command and carries out corresponding maintenance function treatment, dimension
Response is provided to central maintenance node by ARINC659 buses after the completion of protective function treatment.
Further, in step one, upper industry control module sends to central maintenance node module and safeguards that service command is many
The same item of the individual node module for needing to be maintained safeguards service command.
Further, in step 3, each node module of wait is given after safeguarding service response, in upper industry control module
In carry out safeguarding that the result of service execution shows.
Further, in step one, after upper industry control module sends to central maintenance node module safeguards service command,
If not received more than the upper industry control module of certain hour and safeguarding service response, upper industry control module directly displays maintenance time-out.
Further, in step one, after upper industry control module sends to central maintenance node module safeguards service command,
If still suffering from not returning more than certain hour and safeguarding service response, will not return and safeguard that the node of service response is defined as event
Barrier.
Further, after upper industry control module and shield node module receive invalid packet, may require that sender enters
Row data re-transmitting, if the number of re-transmission of the packet is more than a threshold values, it is determined that fail to send.
The scene of a kind of use present apparatus and method is as follows：The rack system based on ARINC659 core bus for one
System, it is desirable to can to rack in multiple remainings main processing controller plate, auxiliary resolve processor plate, multichannel EBI
Processor plate carries out the maintenance upgrade of software, configuration parameter, fpga logic；It is capable of the result of retaking of a year or grade maintenance upgrade, reads each quilt
Safeguard the internal fault record of computer；It is follow-up to need to add monitoring, the debugging function to being respectively maintained processor running status.
Using the central maintenance method based on ARINC659 buses, will be maintained in computer in rack, choose a tool
Used as special central maintenance node, the external bus can be that common RS422 is serial to the processor node of standby external bus
Bus, network-bus, usb bus interface, or the special bus of industrial control field such as CAN, spi bus etc..
A host computer for being likewise supplied with the type external bus interface is chosen, as upper industry control module, module tool
The standby graphical interfaces with user mutual, allow with can family select required service type and service object, and content to safeguarding is carried out
Retaking of a year or grade is compared, to the implementing result of user's echo service.
Realize being connected by RS422 universal serial bus with upper industry control module and central maintenance module, and needs are carried out once
As a example by the software program upgrading of the host computer of four remainings, as shown in figure 3, its basic process is as follows：
First, user selects to need the target safeguarded to be calculated for the main control of all four remaining in upper industry control module
Machine software, and the object code for needing programming to go down is selected, selection afterwards starts programming service.Now upper industry control module will start
Sent towards four programming orders of main processing controller to central maintenance module by RS422 buses, and start waiting for center
The response of maintenance module.
Central maintenance module periodically waits the order sent in universal serial bus.Receiving the burning that serial ports is sended over
After write order, check the programming order towards target be directed to four main processing controllers of remaining, then by the programming order
Order is placed into and is sent in four ARINC659 bus time windows of main processing controller, and starts transmission.
In each main processing controller module after programming order is received, programming order response is provided, it is total by ARINC659
Line is sent to central maintenance module.
The equally periodically inquiry wait of central maintenance module is respectively maintained the echo message that module is sended over.Receiving
After response, central maintenance module is sent to upper industry control module by RS422 buses.
Upper industry control module is before stand-by period time-out, if receiving all main controls treatment of central maintenance module forwards
Device is responded, then set communication data, and programming file is sent to all main processing controllers by RS422 buses；If certain master control
Processor processed could not also provide response after upper industry control module stand-by period thresholding has exceeded to upper industry control module, upper
Industry control module in position no longer will send data to this main processing controller.
After central maintenance module receives the programming file that upper industry control module sends, by ARINC659 buses to each master
Control process device forwards programming file.
Main processing controller receives programming file, after completing programming, during the result of programming is returned to by ARINC659
Centre maintenance module.
The programming result of each main processing controller is given upper industry control mould by central maintenance module by RS422 Bus repeaters
Block, finally shows programming result by upper industry control module.
Method and apparatus in the present invention it is also contemplated that scalability for safeguarding service, upper industry control module,
Central maintenance module is divided with built-in function decomposition with the function of module is maintained, and has certain constraint.
In central maintenance inside modules, it is only completed and turns to the communication for being maintained module data from upper industry control module
Hair, and forwarded to the communication of upper industry control module data from module is maintained, therefore, if COS increases, center dimension
Shield module need not carry out any upgrading.
In upper industry control module, specific SMF, and communication data management function are separated, form what is safeguarded
Service command module, and main communication Packet analyzing package module, as shown in Figure 4.Main communication Packet analyzing package module is receiving one
When bag data is responded, judge whether to receive effective data packets, obtain effective echo message and hand to appropriate service command mould
Block, when service command module needs to send data, the bag lattice of data communication bag is completed by main communication Packet analyzing package module
Formula is encapsulated, and service command module is then used for sending specific a certain class maintenance command.
In module is maintained, equally by specific SMF, and communication data management function is separated, and forms dimension
Shield service processing module, and from Packet analyzing package module is communicated, as shown in Figure 5.Received from communication Packet analyzing package module
During one bag data, judge whether to receive the effective data packets for this node, obtain effective data message hand to it is appropriate
Service processing module, when service processing module needs returned data, is led to by completing data from communication Packet analyzing package module
The bag form encapsulation of bag is interrogated, service processing module is then used for processing specific a certain class maintenance command.
In the cabinet system of upper example, have been carried out to be maintained processor software programming service central maintenance method it
Afterwards, it is necessary to increase the running software debugging function to being maintained processor, then procedure below can be followed：
In upper industry control module, increase corresponding service command module, and corresponding operation interface, afterwards according to one
Fixed interface shape transmits service command to the main communication Packet analyzing package module of upper industry control module, and acquisition is maintained module
Service respond.
In module is maintained, also increase corresponding service processing module, afterwards according to certain interface shape by from logical
News Packet analyzing package module in obtain transmission service command, and by the result for the treatment of be transmitted to from communication Packet analyzing package module carry out
Send.
Under this framework, service command and service processing module are only handed over master-slave communication parsing package module
Mutually, it is not necessary to the actual forwarding means for considering real transmission medium and central maintenance module, possesses very good portable
Property.
Above disclosed is only present pre-ferred embodiments, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of central maintenance device based on ARINC659 buses, it is characterised in that including：ARINC659 buses, it is maintained
Node module, central maintenance node module, upper industry control module, external communication bus；
The described node module that is maintained is based on the node module in ARINC659 bus computer systems, the node module
For processing maintenance command information, and response signal can be sent to central maintenance node module after maintenance command information is received；
Described central maintenance node module, to hang over the processor node in ARINC659 buses, the processor node can
By external communication bus receive upper industry control module safeguard service command after to the quilt hung in ARINC659 buses
Safeguard that node module forwards maintenance command information, and receive the response signal of the node module being maintained and relay to upper industry control
Module；
Described upper industry control module, maintenance command information is sent by external communication bus to central maintenance node module, and
The state of each node module is monitored, result is safeguarded in display；
Described ARINC659 buses, be allow central maintenance node module and be respectively maintained node module can transceiving data mutually
Core bus；
Described external communication bus is used to realize the data interaction between central maintenance node module and upper industry control module.
2. a kind of central maintenance device based on ARINC659 buses according to claim 1, it is characterised in that：Described
The inside of upper industry control module is including main communication Packet analyzing package module and safeguards service command module, safeguards service command module
Maintenance service command information communication encapsulation is carried out by main communication Packet analyzing package module, and be sent to central maintenance node mould
Block, then the communication bag that central maintenance node module is returned is carried out into unpacking treatment by main communication Packet analyzing package module, it is transmitted to
Service command module is safeguarded to show result；
Being maintained the need for each is described inside node module includes from communication Packet analyzing package module and safeguards service center
Reason module；Judge whether the packet is for the effective of own node after bag data is received from communication Packet analyzing package module
Packet, if it is, packet is transmitted into service processing module being processed, returned data after service processing module treatment
To from communication Packet analyzing package module, then by from communication Packet analyzing package module come complete data communication bag bag form encapsulate,
Service processing module is then used for processing maintenance command；If it is not, then packet discard.
3. a kind of central maintenance device based on ARINC659 buses according to claim 1, it is characterised in that：The quilt
Safeguard the service processing module inside node module be it is expansible, i.e., service processing module by with communication Packet analyzing Encapsulation Moulds
The standard interface of block is extended, without considering actual external bus communication modes.
4. a kind of central maintenance device based on ARINC659 buses according to claim 1, it is characterised in that：In described
Safeguard that node module can simultaneously forward maintenance command information to multiple node modules in centre.
5. a kind of central maintenance device based on ARINC659 buses according to claim 1, it is characterised in that：Used
External communication bus, can between multiple standards bus self adaptation switching.
6. a kind of central maintenance device based on ARINC659 buses according to claim 1, it is characterised in that：In described
Centre safeguards that node module can forward maintenance command information, while completing the maintenance function of central maintenance node itself.
7. a kind of central maintenance method based on ARINC659 buses, it is characterised in that including step：
Step one, when needing to carry out maintenance function to node module, upper industry control module by external bus, to central maintenance
Node module sends and safeguards service command；
Step 2, according to service command is safeguarded, central maintenance node module determines the node module for needing to be serviced, center dimension
Shield node module will safeguard service command by ARINC659 Bus repeaters to the node module for determining；
Step 3, node module are received after safeguarding service command and carry out corresponding maintenance function treatment, and total by ARINC659
Line provides response to central maintenance node；After central maintenance node receives the response of the node module being maintained, by outside total
Line notifies upper industry control module；Upper industry control module safeguard the result of service execution according to the maintenance service response for obtaining
Display.
8. a kind of central maintenance device based on ARINC659 buses according to claim 7, it is characterised in that：Step 3
In, node module is received after safeguarding service command and carries out corresponding maintenance function treatment, is passed through after the completion of maintenance function treatment
ARINC659 buses provide response to central maintenance node.
9. a kind of central maintenance device based on ARINC659 buses according to claim 7, it is characterised in that：Step one
In, upper industry control module sends to central maintenance node module safeguards that service command is multiple node modules for needing and being maintained
Same item safeguards service command.
10. a kind of central maintenance device based on ARINC659 buses according to claim 7, it is characterised in that：In step
In rapid three, each node module of wait is given after safeguarding service response, carries out safeguarding service execution in upper industry control module
Result shows.
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