CN105740109B - Interface signal conformance test method and system - Google Patents
Interface signal conformance test method and system Download PDFInfo
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- CN105740109B CN105740109B CN201610056930.8A CN201610056930A CN105740109B CN 105740109 B CN105740109 B CN 105740109B CN 201610056930 A CN201610056930 A CN 201610056930A CN 105740109 B CN105740109 B CN 105740109B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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Abstract
The invention discloses a kind of interface signal conformance test method and systems, wherein method includes the following steps: the executable file by installing in interface equipment systematic difference layer, signal conformance test interface of the configuration in interface controller driving is called, test command to interface controller is transmitted by signal conformance test interface and is driven；After interface controller driving receives test command, according to test command control interface controller entering signal uniformity test mode, interface signal uniformity test is carried out.It only need to be mounted directly corresponding executable file in application layer, and add signal conformance test interface in interface controller driving and the test of interface signal consistency can be realized, do not need the debugging terminal of specific VIP with the interface equipment of PID and corresponding interface equipment driving and serial ports.Efficiently solve the problems, such as that convenience and the versatility of traditional interface signal uniformity test are poor.
Description
Technical field
The present invention relates to communication technique fields, more particularly to a kind of interface signal conformance test method and system.
Background technique
Currently, will generally be carried out data transmission by interface when computer system and external equipment carry out data communication,
Such as: the USB interface based on universal serial bus (USB, Universal Serial Bus) connection specification.Therefore, in computer
In the specification test of product, signal conformance test will be carried out to its interface, to guarantee the accuracy and stabilization of data transmission
Property.It is all by a specific VIP (supplier) and PID (product when traditional interface signal uniformity test to product
Identification code) USB device and corresponding device drives, or by the debugging terminal of serial ports, inputted in the debugging terminal of serial ports
Order, allows controller to can enter signal conformance test pattern.
But using traditional interface signal uniformity test, it is necessary to be set dependent on the USB of specific VIP and PID
Standby and corresponding device drives, or the debugging terminal dependent on serial ports.This allows for interface signal uniformity test just
Victory and versatility are poor.
Summary of the invention
Based on this, it is necessary to the poor problem of convenience and versatility for traditional interface signal uniformity test,
A kind of interface signal conformance test method and system are provided.
A kind of interface signal conformance test method that purpose provides to realize the present invention, includes the following steps:
By the executable file installed in interface equipment systematic difference layer, call configuration in interface controller driving
Signal conformance test interface, by the signal conformance test interface transmission test command to the interface controller drive
It is dynamic；
After the interface controller driving receives the test command, according to the test command control interface controller
Entering signal uniformity test mode carries out interface signal uniformity test.
The executable file by installing in interface equipment systematic difference layer in one of the embodiments, is adjusted
With configuration before the signal conformance test interface in interface controller driving, include the following steps:
Interface controller driving is initialized；
The signal conformance test interface is added in interface controller driving；
It is raw in the application layer according to the signal conformance test interface added in interface controller driving
At the corresponding executable file.
The signal conformance test is added described in one of the embodiments, in interface controller driving to connect
After mouthful, further include the steps that being packaged the signal conformance test interface.
The executable file by installing in interface equipment systematic difference layer in one of the embodiments, is adjusted
With signal conformance test interface of the configuration in interface controller driving, is transmitted and tested by the signal conformance test interface
Order to the interface controller drives, and includes the following steps:
The executable file of the application layer installation is run, and waits the test command to be received；
After receiving the test command, judge whether the test command is signal conformance test command；
If so, call the signal conformance test interface, by the signal conformance test interface by the test
Order is sent in the interface controller driving；
If it is not, then returning to the step of executing the test command to be received such as described.
After the interface controller driving receives the test command in one of the embodiments, according to the survey
Order control interface controller entering signal uniformity test mode is tried, is included the following steps:
After the interface controller driving receives the test command, the test command is parsed, phase is obtained
The parsing result answered, and judge whether the parsing result is signal conformance test command；
If so, call the signal conformance test interface, by the signal conformance test interface operation note,
The interface controller is controlled into the signal conformance test module；
If it is not, the step of then executing the test commands to be received such as the interface controller driving.
The interface equipment system is the system based on linux kernel platform in one of the embodiments,；It is described to hold
Style of writing part is APK file.
The interface is USB interface or EMAC interface in one of the embodiments,.
Correspondingly, the present invention also provides a kind of interface signal consistency testing system, including executable file and signal
Uniformity test interface；
Wherein, the executable file is mounted on the interface equipment systematic difference layer, the signal conformance test
Interface setting is in interface controller driving；And
The executable file is provided with calling module；The calling module is configured as through the executable file,
Call the signal conformance test interface；
The signal conformance test interface is configured as transmission test command to the interface controller and drives；
The interface controller driving is provided with control module；The control module is configured as the interface controller
After driving receives the test command, according to the test command control interface controller entering signal uniformity test mould
Formula carries out interface signal uniformity test.
It in one of the embodiments, further include that initialization module, test interface add module and file generating module；
The initialization module is configured as initializing interface controller driving；
The test interface adds module, is configured as adding the signal conformance in interface controller driving
Test interface；
The file generating module is configured as consistent according to the signal added in interface controller driving
Property test interface, generate the corresponding executable file in the application layer.
The calling module includes that operation waits unit, command determination unit, first to call in one of the embodiments,
Unit and first control unit；
The operation waits unit, is configured as running the executable file of the application layer installation, and wait waiting
Receive the test command；
The command determination unit is configured as the judgement after operation waits unit to receive the test command
Whether the test command is signal conformance test command；
First call unit is configured as the command determination unit judges to go out the test command being the signal
When uniformity test order, the signal conformance test interface is called, by the signal conformance test interface by the letter
Number uniformity test order is sent in the interface controller driving；
The first control unit is configured as the command determination unit judges to go out the test command not being the letter
When number uniformity test order, the operation waiting unit is returned.
The control module includes receiving analysis judgment unit, the second call unit and the in one of the embodiments,
Two control units；
The analysis judgment unit is configured as receiving the test command, and parses to the test command, obtains
Corresponding parsing result is taken, and judges whether the parsing result is signal conformance test command；
Second call unit is configured as the analysis judgment unit judges to go out the parsing result being the signal
When uniformity test order, the signal conformance test interface is called, deposit is operated by the signal conformance test interface
Device controls the interface controller into the signal conformance test module；
Second control unit is configured as the analysis judgment unit judges to go out the parsing result not being the letter
When number uniformity test order, the reception resolution unit is returned.
Above-mentioned interface signal conformance test method the utility model has the advantages that
It configures signal conformance test interface by increasing in interface controller drives, and in interface equipment system
Corresponding executable file is installed in application layer, signal conformance test interface is called directly by executable file, and by signal
Uniformity test interface transmits test command to interface controller and drives.And then received again by interface controller driving basis
Test command, control interface controller entering signal uniformity test mode carry out interface signal uniformity test.It is only
It need to be mounted directly corresponding executable file in the application layer of device systems, and add signal conformance in interface controller driving
The test of interface signal consistency can be realized in test interface, does not need specific VIP and the interface equipment of PID and corresponding connects
The debugging terminal of jaws equipment driving and serial ports, therefore simplify the signal conformance test of interface.Finally efficiently solve biography
The poor problem of the convenience and versatility of the interface signal uniformity test of system.
Detailed description of the invention
Fig. 1 is the flow chart of a specific embodiment of interface signal conformance test method of the invention；
Fig. 2 is the flow chart of the another specific embodiment of interface signal conformance test method of the invention；
Fig. 3 is the structural schematic diagram of a specific embodiment of interface signal consistency testing system of the invention；
Fig. 4 is the structural schematic diagram of the another specific embodiment of interface signal consistency testing system of the invention.
Specific embodiment
To keep technical solution of the present invention clearer, the present invention is made below in conjunction with drawings and the specific embodiments further detailed
It describes in detail bright.
Firstly the need of explanation, the interface mentioned in the present invention for carrying out signal conformance test refers to that USB connects
Mouth, EMAC interface or other interfaces.That is, interface of the invention be hardware interface (the information machines inter-module such as computer
Interface).It is tested by the signal conformance to hardware interface, it can be observed how hardware system intersymbol string in transmission process
It disturbs, shake, the influence of noise, to evaluate the signal quality superiority and inferiority degree of hardware delivery system on the platform.
It first include step as a specific embodiment of interface signal conformance test method of the invention referring to Fig. 1
Rapid S100 calls configuration in interface controller driving by the executable file installed in interface equipment systematic difference layer
Signal conformance test interface, by signal conformance test interface transmit test command to interface controller drive.
That is, by installing executable file in interface equipment systematic difference layer, and configured in interface controller driving
Signal conformance test interface, the executable file of operation application layer installation, by executable file call signal uniformity test
Interface can be realized and transmit purpose of the test command into interface controller driving by signal conformance test interface.
Herein, it should be noted that signal conformance test interface be set in advance in interface controller driving in, and
And executable file is also to be pre-installed in interface equipment systematic difference layer.That is, signal conformance test interface is arranged
In the driving layer of interface equipment system, executable file is mounted on interface equipment systematic difference layer.Executing step as a result,
S100 calls configuration in interface controller driving by the executable file installed in interface equipment systematic difference layer
Before signal conformance test interface, further include the steps that adding signal conformance test interface in driving layer, and in interface
The step of application layer of device systems generates and installs executable file.
Specifically, referring to fig. 2, when driving layer to add signal conformance test interface, passing through step S010, docking first
Mouth controller driving is initialized, and then is added signal conformance by step S011 again in interface controller driving and surveyed
It tries mouth, presetting for signal conformance test interface can be realized.Wherein, it should be noted that driven in interface controller
Signal conformance test interface is added in dynamic can be by directly writing the corresponding realization test of addition in interface controller driving
One section of function program of interface.That is, signal conformance test interface can be realized by one section of function.Its implementation letter
Folk prescription just, and does not need any hardware cost, this also just reduces production cost.
And, it is preferred that in interface signal conformance test method of the invention, added in interface controller driving
After signal conformance test interface, further include the steps that being packaged pre-set signal conformance test interface.That is,
Step S012 is packaged the signal conformance test interface added.Wherein, in step S012, signal conformance is surveyed
When mouth of trying is packaged, the encapsulation of respective type interface can be specifically carried out according to the type of interface equipment system.Such as, when this hair
When bright interface equipment system is platform (such as: android system, that is, Android system) based on linux kernel, signal is consistent
Property test interface can be encapsulated as sysfs type.Correspondingly, executable file can be APK (AndroidPackage, i.e. Android
Installation kit) file (that is, the format of executable file is APK format).In addition, interface equipment system of the invention can also be
Ubuntu system.It should be pointed out that when interface equipment system is other systems, executable file and signal conformance test
Type after interface encapsulation can be accordingly changed.Meanwhile it can also be according to specific to the encapsulation of signal conformance test interface
Device systems are configured.
It stays in interface controller driving after adding signal conformance test interface, at this point, the driving of interface equipment system
Layer thens follow the steps S210, waits application layer to the calling of signal conformance test interface.Meanwhile interface equipment systematic difference
Layer thens follow the steps S013, according to the signal conformance test interface added in interface controller drives, generates executable text
Executable file can be realized in the generation and installation of application layer in part.Herein, it should be noted that executable file is specifically
It is held according to the signal conformance test interface pre-set and according to what the signal conformance test interface write in advance
What line program generated.Also, when adding signal conformance test interface in interface controller drives, if consistent to signal
Property test interface encapsulated, then correspondingly, generate executable file when, then with specific reference to the signal conformance after encapsulation
Test interface carries out.Specifically, after signal conformance test interface is encapsulated as the interface of sysfs type, then according to encapsulation
The signal conformance test interface that type afterwards is sysfs carries out writing for executable program, and generates accordingly in application layer
Executable file.
Referring to fig. 2, after interface equipment systematic difference layer generates corresponding executable file (such as APK file), i.e.,
Executable file can be realized in the installation of application layer by human-computer interaction.Meanwhile executable step S100, pacified by application layer
The executable file call signal uniformity test interface of dress transmits test command to interface control by signal conformance test interface
Device driving processed, to carry out the test of interface signal consistency.
Specifically, the step performed by interface equipment systematic difference layer specifically includes that first by interface equipment system
Application layer execute step S110, run the executable file of installation, and wait test command to be received.Wherein, since test is ordered
Sending for order can be realized by clicking the signal conformance test in executable file in human-computer interaction process.When passing through a little
After the transmission of test command is realized in the signal conformance test hit in executable file, application layer receives test command at this time,
And then step S120 is executed, test command is received, and judge whether test command is signal conformance test command.If so,
Step S130 is directly executed, call signal uniformity test interface is tested signal conformance by signal conformance test interface
Order is sent in interface controller driving.If it is not, then return to step S110, the test command to be received such as continue to execute
Step.
Executable file call signal uniformity test interface is run when passing through, and is transmitted by signal conformance test interface
After received test command drives to interface controller, i.e., executable step S200, interface controller driving receives survey
After examination order, according to test command control interface controller entering signal uniformity test mode, interface signal consistency is carried out
Test.That is, the switching of interface controller mode is executed by the driving layer of interface equipment system at this time.
Wherein, in step S200, after interface controller driving receives test command, according to test command control interface control
In device entering signal uniformity test mode processed, can by by interface controller drive call signal uniformity test interface, by
Signal conformance test interface operates the register of device systems, the conversion of the mode of interface controller is realized, so that interface control
Device processed is switched to signal conformance test pattern.
Specifically, referring to fig. 2, step performed by the driving layer of interface equipment system then specifically includes that passes through step first
Rapid S210, the test command that interface controller driving waits received signal conformance test interface to send.That is, interface controller drives
The dynamic calling waited in application layer to signal conformance test interface.When interface controller driving receives signal conformance test
Interface transmission test command after, show that application layer has called into signal conformance test interface at this time, at this time in order to enable
More accurately and conveniently to the test result of interface signal consistency, test command can be solved by executing step S220
Analysis, obtains corresponding parsing result, and judge whether parsing result is signal conformance test command.If so, showing at this time
For the test of the signal conformance to interface, then step S230, call signal uniformity test interface, by signal can be directly executed
Uniformity test interface operation register, control interface controller entering signal uniformity test module carry out interface signal one
The test of cause property.If it is not, then show is not to carry out the test of the signal conformance of interface, therefore then return to step at this time
S210, interface controller driving continue waiting for the test command of received signal conformance test interface transmission, i.e. interface controller
Driving layer continues the calling until application layer to signal conformance test interface.
Further, it should be pointed out that when interface controller entering signal uniformity test mode, carry out interface signal
When uniformity test, test result can be shown by oscillograph.As a result, referring to fig. 2, consistent in the signal for carrying out interface
Property test before, first by step S001, interface is connect with external oscillograph, thus when interface controller entering signal
Uniformity test mode can be by step S300 after the signal conformance test for carrying out interface, and the signal that test is obtained is consistent
Property signal be directly output to oscillograph, and then again by step S400, by oscilloscope display signal conformance waveform.It is logical
Oscilloscope display test result is crossed, so that test result simple, intuitive.
In addition, it is necessary to which whether explanation, be that the judgement of signal conformance test command can both apply to test command
Layer carries out, and can also carry out in driving layer, can also carry out simultaneously in application layer and driving layer.That is, whether being signal to test command
The judgement of uniformity test order can also both connect for starting the executable file when progress for being mounted on application layer
Mouth controller driving carries out after receiving the test command transmitted by signal conformance test interface.Preferably, to test command
Whether be signal conformance test command judgement can simultaneously starting be mounted on the executable file of application layer after carry out, simultaneously
Also carried out after interface controller driving receives test command.That is, by being carried out in application layer and driving layer to test command
Judge twice, effectively increases the accuracy and convenience of interface signal uniformity test result.
Correspondingly, the present invention also provides one kind to connect in order to realize any of the above-described kind of interface signal conformance test method
Message consistency testing system.Due to the working principle and the present invention of interface signal consistency testing system provided by the invention
The principle of the signal conformance test method of offer is same or similar, therefore overlaps will not be repeated.
A specific embodiment referring to Fig. 3, as interface signal consistency testing system 100 of the invention comprising can
Execute file 111 and signal conformance test interface 121.Wherein, executable file 111 is mounted on interface equipment systematic difference
In layer 110.The setting of signal conformance test interface 121 is in interface controller driving 120.Also, it is set in executable file 111
It is equipped with calling module 1110.The calling module 1110, be configured as by interface equipment systematic difference layer 110 install can
Execute file 111, call signal uniformity test interface 121.Signal conformance test interface 121 is configured as transmission test
Order to interface controller drives 120.Meanwhile control module 122 is additionally provided in interface controller driving 120.The control mould
Block 122, be configured as interface controller driving 120 receive test command after, according to test command control interface controller (figure
In be not shown) entering signal uniformity test mode, carry out interface signal uniformity test.
It is by installing executable file 111 in interface equipment systematic difference layer 110, and in executable file 111
Calling module 1110 is set, the signal conformance test interface 121 for adding in calling interface controller driving 120, by believing
Number uniformity test interface 121 transmits corresponding test command into interface controller driving 120.And then again by control module
122 drive 120 received test commands according to interface controller, and the pattern switching of control interface controller is signal conformance survey
Die trial formula, to realize the test of interface signal consistency.It only need to be using in the executable file 111 that application layer 110 is installed
Calling module 1110 and interface controller drive signal conformance test interface 121 and control module 122 in 120 can be real
The test of existing interface signal consistency.Its interface equipment for being no longer dependent on specific VIP and PID and corresponding device drives,
And also it is no longer dependent on the debugging terminal of serial ports, it is only necessary to which user directly installs in application layer 110 and clicks executable file
111, call the signal conformance test interface 121 in driving that can allow interface controller entering signal uniformity test mode.
It is simple and convenient, and there is good versatility.
Further, referring to fig. 4, the specific embodiment as interface signal consistency testing system 100 of the invention,
It further includes that initialization module 123, test interface add module 124 and file generating module 112.Wherein, initialization module 123
Adding module 124 with test interface may be provided in interface controller driving 120.Also, initialization module 123, is configured
To be initialized to interface controller driving 120.Test interface adds module 124, is configured as driving in interface controller
Signal conformance test interface 121 is added in 120.File generating module 112 then may be provided at interface equipment systematic difference layer
In 110, it is configured as according to the signal conformance test interface 121 added in interface controller driving 120, in application layer
110 generate corresponding executable file 111.
Additionally, it should be noted that the specific implementation as interface signal consistency testing system 100 of the invention
Example, may also include has test interface package module (not shown).The test interface package module is configured as when test
After interface setup module 124 adds signal conformance test interface 121 in interface controller driving 120, to signal conformance
Test interface 121 is packaged.Specifically, its encapsulation that can carry out respective type interface according to the type of interface equipment system.
Further, calling module 1110 includes that operation waits unit, command determination unit, the first call unit and first
Control unit (is not shown) in figure.Operation waits unit, is configured as running the described executable of the installation of application layer 110
File 111, and wait the test command to be received.Command determination unit is configured as waiting unit to receive when the operation
After the test command, judge whether the test command is signal conformance test command.First call unit, is configured as
The command determination unit judges go out the test command be the signal conformance test command when, call the signal consistent
Property test interface 121, the signal conformance test command is sent to described connect by the signal conformance test interface 121
In mouth controller driving 120.First control unit, be configured as the command determination unit judges and go out the test command be not
When the signal conformance test command, returns to the operation and wait unit.
Further, control module 122 includes receiving analysis judgment unit, the second call unit and the second control unit
(being not shown in figure).Analysis judgment unit is configured as receiving the test command, and solves to the test command
Analysis, obtains corresponding parsing result, and judge whether the parsing result is signal conformance test command.Second calls list
Member, be configured as the analysis judgment unit judges go out the parsing result be the signal conformance test command when, call
The signal conformance test interface 121 controls the interface by 121 operation note of signal conformance test interface
Controller enters the signal conformance test module.Second control unit is configured as the analysis judgment unit judges and goes out
When the parsing result is not the signal conformance test command, the reception resolution unit is returned.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (11)
1. a kind of interface signal conformance test method, which comprises the steps of:
By the executable file installed in interface equipment systematic difference layer, letter of the configuration in interface controller driving is called
Number uniformity test interface is driven by signal conformance test interface transmission test command to the interface controller；
After the interface controller driving receives the test command, entered according to the test command control interface controller
Signal conformance test pattern carries out interface signal uniformity test.
2. the method according to claim 1, wherein described by installing in interface equipment systematic difference layer
Executable file calls configuration before the signal conformance test interface in interface controller driving, includes the following steps:
Interface controller driving is initialized；
The signal conformance test interface is added in interface controller driving；
According to the signal conformance test interface added in interface controller driving, phase is generated in the application layer
The executable file answered.
3. according to the method described in claim 2, it is characterized in that, described add the letter in interface controller driving
After number uniformity test interface, further include the steps that being packaged the signal conformance test interface.
4. the method according to claim 1, wherein described by installing in interface equipment systematic difference layer
Executable file calls signal conformance test interface of the configuration in interface controller driving, is surveyed by the signal conformance
Oral instructions of trying send test command to the interface controller to drive, and include the following steps:
The executable file of the application layer installation is run, and waits the test command to be received；
After receiving the test command, judge whether the test command is signal conformance test command；
If so, call the signal conformance test interface, by the signal conformance test interface by the test command
It is sent in the interface controller driving；
If it is not, then returning to the step of executing the test command to be received such as described.
5. method according to claim 1 or 4, which is characterized in that the interface controller driving receives the test
After order, according to the test command control interface controller entering signal uniformity test mode, include the following steps:
After the interface controller driving receives the test command, the test command is parsed, is obtained corresponding
Parsing result, and judge whether the parsing result is signal conformance test command；
If so, the signal conformance test interface is called, by the signal conformance test interface operation note, control
The interface controller entering signal uniformity test module；
If it is not, the step of then executing the test commands to be received such as the interface controller driving.
6. the method according to claim 1, wherein the interface equipment system is based on linux kernel platform
System；The executable file is APK file.
7. the method according to claim 1, wherein the interface is USB interface or EMAC interface.
8. a kind of interface signal consistency testing system, which is characterized in that connect including executable file and signal conformance test
Mouthful；
Wherein, the executable file is mounted on the interface equipment systematic difference layer, the signal conformance test interface
Setting is in interface controller driving；And
The executable file is provided with calling module；The calling module is configured as calling by the executable file
The signal conformance test interface；
The signal conformance test interface is configured as transmission test command to the interface controller and drives；
The interface controller driving is provided with control module；The control module is configured as the interface controller driving
After receiving the test command, according to the test command control interface controller entering signal uniformity test mode, into
The test of line interface signal conformance.
9. system according to claim 8, which is characterized in that further include initialization module, test interface add module and
File generating module；
The initialization module is configured as initializing interface controller driving；
The test interface adds module, is configured as adding the signal conformance test in interface controller driving
Interface；
The file generating module is configured as being surveyed according to the signal conformance added in interface controller driving
It tries mouth, generates the corresponding executable file in the application layer.
10. system according to claim 8, which is characterized in that the calling module includes that operation waits unit, order to sentence
Disconnected unit, the first call unit and first control unit；
The operation waits unit, is configured as running the executable file of the application layer installation, and wait institute to be received
State test command；
The command determination unit is configured as after the operation waits unit to receive the test command, described in judgement
Whether test command is signal conformance test command；
First call unit is configured as the command determination unit judges to go out the test command being that the signal is consistent
When property test command, the signal conformance test interface is called, by the signal conformance test interface by the signal one
Cause property test command is sent in the interface controller driving；
The first control unit is configured as the command determination unit judges to go out the test command not being the signal one
When cause property test command, returns to the operation and wait unit.
11. the system according to claim 8 or 10, which is characterized in that the control module includes receiving analysis judgment list
Member, the second call unit and the second control unit；
The reception analysis judgment unit is configured as receiving the test command, and parses to the test command, obtains
Corresponding parsing result is taken, and judges whether the parsing result is signal conformance test command；
Second call unit is configured as the reception analysis judgment unit judges to go out the parsing result being the signal
When uniformity test order, the signal conformance test interface is called, deposit is operated by the signal conformance test interface
Device controls the interface controller entering signal uniformity test module；
Second control unit is configured as the reception analysis judgment unit judges to go out the parsing result not being the letter
When number uniformity test order, the reception analysis judgment unit is returned.
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| US5878246A (en) * | 1995-07-05 | 1999-03-02 | Sun Microsystems, Inc. | System for linking an interposition module between two modules to provide compatibility as module versions change |
| KR19990024602A (en) * | 1997-09-04 | 1999-04-06 | 윤종용 | Parallel Port Test Method of Personal Computer Using Loopback |
| CN100573466C (en) * | 2005-09-09 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | The test macro of host interface and method |
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