CN105955239A - General test platform rapid construction method based on shared memory - Google Patents
General test platform rapid construction method based on shared memory Download PDFInfo
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- CN105955239A CN105955239A CN201610356343.0A CN201610356343A CN105955239A CN 105955239 A CN105955239 A CN 105955239A CN 201610356343 A CN201610356343 A CN 201610356343A CN 105955239 A CN105955239 A CN 105955239A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a general test platform rapid construction method based on a shared memory. The method comprises steps that a main control service program, a test resource program and a test engine program are constructed; the main control service program, the test resource program and the test engine program are independent executable programs respectively; the main control service program, the test resource program and the test engine program are connected through the shared memory to form an integral test platform; the test resource program realizes output to a data bus and takes the data from the data bus as input, and a user accesses to all the data through a data bus interface; various test parts are mutually independent and take the bus data as the input to realize connection to form a test data closed loop. The method is advantaged in that rapid access speed, high efficiency, reliable and stable properties and small cost are realized, various types of test resource programs can be developed parallelly, and independent debugging and operation, high expandability, rapid simulation test platform establishment, low cost, high test resource program reusability and quite high popularization values are realized.
Description
Technical field
The present invention relates to airborne avionics technical field of measurement and test, a kind of general survey based on shared drive
Examination platform fast construction method.
Background technology
In recent years, along with the development of China's aviation industry, the kind of airborne avionics also gets more and more, to aviation
The test of electronic system is more and more higher, has a stronger versatility and autgmentability has become the main performance of test system and referred to
Mark；But current existing equipment electronic test equipment mostly is special computer for special use, i.e. sets up different tests for different machines and put down
Platform, thus cause often set test platform design iterations, processing, and cause the problems such as utilization rate of equipment and installations is low, the wasting of resources is big, the most not
Meet the requirement of new period equipment Electronic Testing；Simultaneously as software and hardware high concentration, and the dependence to cross-linking apparatus, lead
Causing product development cycle long, debugging difficulty is big, and the maintenance difficulties paying the later stage is the biggest；Furthermore, existing most test platforms are all
Being to carry out secondary development based on external software, core technology is limited to abroad, and internal principle is failed to understand, it is difficult to carry out Function Extension,
Can only passively wait to be upgraded.
Summary of the invention
It is an object of the invention to provide a kind of low cost, high based on shared drive logical of test resource programming reusability
Use test platform fast construction method, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of general-utility test platform fast construction method based on shared drive, including to master control service routine, test resource journey
Sequence, the structure of testing engine program；Described master control service routine, test resource program, testing engine program be independent can
Execution program；A complete test platform is connected into by shared drive between three；Wherein test resource program contribution output
To data/address bus, and fetching data as input from data/address bus, user accesses all data by data bus interface；Each survey
Try between parts separate, and be joined together to form the data closed loop of a test by bus data as input.
As the further scheme of the present invention: described master control service routine is responsible for importing each test resource from configuration file
Parameter, and create shared drive block, form virtual test bus, then start each test resource program and testing engine journey
Sequence, updates finally according to the data controlling each test resource program and testing engine program synchronizing cycle.
As the present invention further scheme: described master control service routine is divided into following step:
1) importing configuration files: output, input parameter, data type, the initial value to each test resource definition self, with
And synchronizing cycle, information preserves with xml formatted file, master control service routine imports and carry out validity checking；
2) storage allocation space: according to the configuration information of back, creates shared memory space, forms virtual test bus, and
Safeguard the position of each output parameter, state, numerical value；
3) startup subroutine: by master control service routine sequence starting testing engine and each test resource program, testing engine and
Each test resource program connects master control service according to current test event title；
4) wait operating instruction: user controls the running status of test platform from gui interface, operating instruction include initialize,
Run cycle, a continuous service, suspend, exit；Master control service based on subscriber instructs, and updates corresponding Memory control mark,
Rear testing engine and test resource program are operated according to up-to-date operating instruction；
As the present invention further scheme: described master control service routine part uses C language, TCL/TK to write.
As the present invention further scheme: described testing engine program is that the explanation of test procedure performs program, negative
Duty read test SOP documentation content, according to document agendum statement, the output of amendment testing engine, impact test money
The operation of source program, it is achieved test purpose, compares judgement to test result simultaneously.
As the present invention further scheme: described testing engine program is divided into following step:
1) import and resolve test procedure: the test procedure that user writes includes following a few quasi-sentence:
Message notifying info:info " opens load cabinet passage 01 to switch!"
Amendment parameter set:set load01_switload=1
Delay disposal delay:Delay 1000
Result judges compare:Compare load01_voltage=5
After testing engine program imports test procedure file, carry out syntax and semantics inspection, and be converted to internal data with convenient
Subsequent execution；
2) operating instruction is obtained: testing engine program as a part for whole test platform, is synchronization held with master control service
OK, corresponding actions is performed according to the instruction obtained；
3) agendum statement: when present instruction is for running, the information that testing engine obtains according to the first step, perform a code
Statement, proceeds the circulation in next cycle after running succeeded, enter second step, reciprocal until the last item code statement performs
Complete.
As the present invention further scheme: described testing engine program part use C language, TCL TK write.
As the present invention further scheme: described test resource program is that the service logic of test platform realizes, root
Border business demand and platform hardware resource are packaged factually, it may include various bus datas process, as 1553B, ARINC429,
AFDX, 232/422 etc.；Described test resource program is divided into following step:
1) Connection Service device: test resource program is set up to master control service request in the way of registration equipment and connected, and is connecting into
In the case of merit, i.e. inputted by the IO of test resource, output parameter carries out address mapping, with the side of pointer with virtual test bus
Formula operation data；
2) operating instruction is obtained: test resource program as a part for whole test platform, is synchronization held with master control service
OK, corresponding actions is performed according to the instruction obtained；
3) initializing: test resource program, first instruction receiving master control service carries out initialization operation, sets including to hardware
Standby, the initialization of board, also loads corresponding encoding and decoding rule simultaneously；
4) run: test resource program exchanges, first from void in operation phase finishing service logic function and with bus data
Intend reading input in test bus, according to coding rule, by data packing and send from hardware board；Secondly from hardware plate
Read initial data on card, be decoded into engineering value, when master control service allows data to update, newly built construction value is updated virtual survey
In examination bus；By two links of read-write, complete the data renewal of test resource and virtual test bus；
As the present invention further scheme: described test resource program uses C language to develop, or employing simulink,
Labview develops integrated, the unified test resource package interface that test resource routine call master control service provides.
Compared with prior art, the invention has the beneficial effects as follows: the present invention by the definition to each test resource interface,
Realize the fast construction of test platform, even in the case of some hardware device is the most ready, by accessing software model
Mode, carries out the preliminary debugging of system, finds and repair problem as early as possible, reduces cycle and the cost of product development；Simultaneously because
Interface pre-defines so that different developers can be with concurrent development；It is total that the present invention creates virtual test based on shared drive
Line, access speed is fast, efficiency is high；Synchronization control mechanism based on request response type, reliably, stable and expense is little；Support test
Platform is the most system-level suspends control, single step/multistep debugging function；Platform access way based on interface definition, can allow test
Personnel just carry out the exploitation of test procedure in early days；Can concurrent development all kinds of test resource program, and independent debugging and running；Test
Resource method can access test platform by various buses, and extensibility is high；In the case of hardware device is the most ready, can be by emulating
Model replaces, collaborative miscellaneous equipment exploitation debugging；Simulation test platform is built quickly, low cost, the multiplexing of test resource program
Property high；There is high promotional value.
Accompanying drawing explanation
Fig. 1 is the overall framework figure of the present invention.
Fig. 2 is the master control service flow diagram of master control service routine in the present invention.
Fig. 3 is testing engine program flow diagram in the present invention.
Fig. 4 is test resource program flow diagram in the present invention.
Fig. 5 is the hardware-in-the-loop test figure of the embodiment of the present invention 1.
Fig. 6 is that the model of the embodiment of the present invention 2 is at ring test figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1～4, a kind of general-utility test platform fast construction method based on shared drive, take including to master control
Business program, test resource program, the structure of testing engine program；Described master control service routine, test resource program, testing engine
Program is independent executable program；Effectively connect into an entirety by shared drive between three, form complete survey
Examination platform；Wherein test resource program can contribute output to data/address bus, it is possible to fetches data as input from data/address bus, uses
Family then can access all data by data bus interface；Between each test component separate, the defeated of oneself can only be revised
Go out data, effectively linked together as input by bus data simultaneously, be collectively forming the data closed loop of a test.
1. master control service routine described in is the core of general-utility test platform of the present invention, main responsible from configuration file
Import each test resource parameter, and create shared drive block, form virtual test bus, then start each test resource program
And testing engine, update finally according to the data controlling each test resource program and testing engine synchronizing cycle.
Master control service routine is divided into following step:
1) importing configuration files: each test resource is required for defining the output of self, input parameter, data type, initial
Value, and synchronizing cycle etc., information preserves with xml formatted file, is imported by master control service and is carried out validity checking；
2) storage allocation space: according to the configuration information of back, creates shared memory space, forms virtual test bus, and
Safeguard the position of each output parameter, state, numerical value；
3) startup subroutine: by master control service routine sequence starting testing engine and each test resource program, testing engine and
Each test resource program connects master control service according to current test event title；
4) operating instruction is waited: user can control the running status of test platform from gui interface, and operating instruction includes initially
Change, run cycle, a continuous service, suspend, exit.Master control service based on subscriber instructs, and updates corresponding Memory control mark,
Last test engine and test resource program are operated according to up-to-date operating instruction；
Master control service routine part uses C language, TCL/TK to write.
2. testing engine program: be the explanation execution program of test procedure, main responsible read test SOP documentation content,
According to document agendum statement, the output of amendment testing engine, and then affect the operation of test resource program, thus real
The purpose now tested, also includes the multilevel iudge to test result simultaneously.
Testing engine program is divided into following step:
1) import and resolve test procedure: the test procedure that user writes includes following a few quasi-sentence:
Message notifying info:info " opens load cabinet passage 01 to switch!"
Amendment parameter set:set load01_switload=1
Delay disposal delay:Delay 1000
Result judges compare:Compare load01_voltage=5
After testing engine program imports test procedure file, carry out syntax and semantics inspection, and be converted to internal data, after convenience
Continuous execution；
2) operating instruction is obtained: testing engine program, as a part for whole test platform, needs to carry out same with master control service
Step performs, and performs corresponding actions according to the instruction obtained；
3) agendum statement: if present instruction is to run, then the information that testing engine obtains according to the first step, perform one
Code statement, proceeds the circulation in next cycle, i.e. enters second step after running succeeded, reciprocal until the last item code language
Sentence is finished；
Testing engine program part use C language, TCL TK write.
3. test resource program: be the service logic realization of test platform, provide according to practical business demand and platform hardware
Source is packaged, it may include various bus datas process, as 1553B, ARINC429, AFDX, 232/422 etc..
Test resource program is divided into following step:
1) Connection Service device: test resource program needs to set up to master control service request in the way of registration equipment to connect, even
In the case of being connected into merit, i.e. inputted by the IO of this test resource, output parameter carries out address mapping with virtual test bus, to refer to
The mode of pin operates data, saves the expense of deduplication copy；
2) operating instruction is obtained: test resource program, as a part for whole test platform, needs to carry out same with master control service
Step performs, and performs corresponding actions according to the instruction obtained；
3) initializing: test resource program, first instruction receiving master control service must be to initialize, and sets including to hardware
Standby, the initialization of board, also loads corresponding encoding and decoding rule simultaneously；
4) run: test resource program needs finishing service logic function in the operation phase, and exchanges with bus data, first
From virtual test bus, read input, according to coding rule, by data packing and send from hardware board；Secondly from firmly
Read initial data on part board, be decoded into engineering value, when master control service allows data to update, newly built construction value is updated void
Intend in test bus；By two links of read-write, complete the data renewal of test resource and virtual test bus；
Test resource program uses C language exploitation, but also dependent on user's practical situation, uses simulink, labview etc.
Other developing instrument is developed integrated, it is only necessary to call the unified test resource package interface that master control service provides.
Referring to Fig. 5, the present invention can be used for hardware-in-the-loop test, and measured piece (UUT) is by each bus and testing service device
It is connected, supports that type includes A429, AFDX, RS232/422, Ethernet etc..
Referring to Fig. 6, the present invention can be used for model in ring test, or do not put situation temporarily unavailable at certain equipment
Under, measured piece can be replaced with software model, the definition of its I/O interface keeps consistent, to ensure test job with true measured piece
Being normally carried out, software model may be used for processing complicated calculations in addition, calls third party's secure warehouse etc..
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (9)
1. a general-utility test platform fast construction method based on shared drive, including to master control service routine, test resource
Program, the structure of testing engine program；It is characterized in that, described master control service routine, test resource program, testing engine program
It is independent executable program；A complete test platform is connected into by shared drive between three；Wherein test resource
Program contribution output is to data/address bus, and fetches data as input from data/address bus, and user is accessed by data bus interface
All data；Between each test component separate, and be joined together to form a test by bus data as input
Data closed loop.
General-utility test platform fast construction method based on shared drive the most according to claim 1, it is characterised in that: institute
State master control service routine to be responsible for from configuration file, import each test resource parameter, and create shared drive block, form virtual survey
Examination bus, then starts each test resource program and testing engine program, finally according to controlling each test money synchronizing cycle
The data of source program and testing engine program update.
General-utility test platform fast construction method based on shared drive the most according to claim 2, it is characterised in that: institute
State master control service routine and be divided into following step:
1) importing configuration files: output, input parameter, data type, the initial value to each test resource definition self, with
And synchronizing cycle, information preserves with xml formatted file, master control service routine imports and carry out validity checking；
2) storage allocation space: according to the configuration information of back, creates shared memory space, forms virtual test bus, and
Safeguard the position of each output parameter, state, numerical value；
3) startup subroutine: by master control service routine sequence starting testing engine and each test resource program, testing engine and
Each test resource program connects master control service according to current test event title；
4) wait operating instruction: user controls the running status of test platform from gui interface, operating instruction include initialize,
Run cycle, a continuous service, suspend, exit；Master control service based on subscriber instructs, and updates corresponding Memory control mark,
Rear testing engine and test resource program are operated according to up-to-date operating instruction.
General-utility test platform fast construction method based on shared drive the most according to claim 2, it is characterised in that: institute
Stating master control service routine part uses C language, TCL/TK to write.
General-utility test platform fast construction method based on shared drive the most according to claim 1, it is characterised in that: institute
State the explanation that testing engine program is test procedure and perform program, be responsible for read test SOP documentation content, according to document
Agendum statement, the output of amendment testing engine, affect the operation of test resource program, it is achieved test purpose, simultaneously to survey
Test result compares judgement.
General-utility test platform fast construction method based on shared drive the most according to claim 5, it is characterised in that: institute
State testing engine program and be divided into following step:
1) import and resolve test procedure: the test procedure that user writes includes following a few quasi-sentence:
Message notifying info:info " opens load cabinet passage 01 to switch!"
Amendment parameter set:set load01_switload=1
Delay disposal delay:Delay 1000
Result judges compare:Compare load01_voltage=5
After testing engine program imports test procedure file, carry out syntax and semantics inspection, and be converted to internal data with convenient
Subsequent execution；
2) operating instruction is obtained: testing engine program as a part for whole test platform, is synchronization held with master control service
OK, corresponding actions is performed according to the instruction obtained；
3) agendum statement: when present instruction is for running, the information that testing engine obtains according to the first step, perform a code
Statement, proceeds the circulation in next cycle after running succeeded, enter second step, reciprocal until the last item code statement performs
Complete.
General-utility test platform fast construction method based on shared drive the most according to claim 5, it is characterised in that: institute
State testing engine program part use C language, TCL TK write.
General-utility test platform fast construction method based on shared drive the most according to claim 2, it is characterised in that: institute
State the service logic that test resource program is test platform to realize, seal according to practical business demand and platform hardware resource
Dress, processes including bus data, and specially 1553B, ARINC429, AFDX, 232/422 bus data process；Described test money
Source program is divided into following step:
1) Connection Service device: test resource program is set up to master control service request in the way of registration equipment and connected, and is connecting into
In the case of merit, i.e. inputted by the IO of test resource, output parameter carries out address mapping, with the side of pointer with virtual test bus
Formula operation data；
2) operating instruction is obtained: test resource program as a part for whole test platform, is synchronization held with master control service
OK, corresponding actions is performed according to the instruction obtained；
3) initializing: test resource program, first instruction receiving master control service carries out initialization operation, sets including to hardware
Standby, the initialization of board, also loads corresponding encoding and decoding rule simultaneously；
4) run: test resource program exchanges, first from void in operation phase finishing service logic function and with bus data
Intend reading input in test bus, according to coding rule, by data packing and send from hardware board；Secondly from hardware plate
Read initial data on card, be decoded into engineering value, when master control service allows data to update, newly built construction value is updated virtual survey
In examination bus；By two links of read-write, complete the data renewal of test resource and virtual test bus.
General-utility test platform fast construction method based on shared drive the most according to claim 8, it is characterised in that: institute
Stating test resource program and use C language exploitation, or use simulink, labview to develop integrated, test resource program is adjusted
The unified test resource package interface provided with master control service.
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| CN107239331B (en) * | 2017-05-23 | 2019-11-22 | 中国电子科技集团公司第四十一研究所 | A kind of synchronous triggering execution method of concurrent testing task |
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| CN109828922A (en) * | 2019-01-21 | 2019-05-31 | 成都能通科技有限公司 | A kind of General Purpose Automatic Test engine and application method based on the real-time technique of compiling of Python |
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| CN110879769B (en) * | 2019-10-16 | 2024-01-26 | 中国航空工业集团公司洛阳电光设备研究所 | Method for constructing embedded system test environment based on dynamic configurable framework |
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