CN105740109A - Interface signal consistency test method and system - Google Patents
Interface signal consistency test method and system Download PDFInfo
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- CN105740109A CN105740109A CN201610056930.8A CN201610056930A CN105740109A CN 105740109 A CN105740109 A CN 105740109A CN 201610056930 A CN201610056930 A CN 201610056930A CN 105740109 A CN105740109 A CN 105740109A
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- 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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Abstract
The invention discloses an interface signal consistency test method and system. The method comprises the following steps: calling a signal consistency test interface configured in an interface controller drive through an executable file installed at an application layer of an interface equipment system, and transmitting a test command to the interface controller drive by the signal consistency test interface; and after receiving the test command by the interface controller drive, controlling an interface controller to enter a signal consistency test mode according to the test command, so as to carry out interface signal consistency test. According to the method and system, the interface signal consistency test can be realized through directly installing a corresponding executable file at the application layer and adding a signal consistency test interface at the interface controller drive without specific VIP and PID interface equipment and a corresponding interface equipment drive and a serial debugging terminal. According to the method and the system, the problem that the traditional interface signal consistency test is relatively bad in convenience and universality is effectively solved.
Description
Technical field
The present invention relates to communication technique field, particularly relate to a kind of interface signal conformance test method and system.
Background technology
At present, when computer system and external equipment carry out data communication, generally will be carried out data transmission by interface, as: the USB interface of specification is connected based on USB (universal serial bus) (USB, UniversalSerialBus).Therefore, in the specification of computer product is tested, its interface will be carried out signal conformance test, to ensure the Stability and veracity that data are transmitted.During traditional interface signal uniformity test to product, it is all by the specific VIP (supplier) USB device with PID (product ID) and corresponding device drives, or by the debugging terminal of serial ports, in the debugging terminal of serial ports, input order, allows controller energy entering signal uniformity test pattern.
But, adopt traditional interface signal uniformity test, it is necessary to the USB device of specific VIP and PID and corresponding device drives will be depended on, or depend on the debugging terminal of serial ports.This convenience allowing for interface signal uniformity test and versatility are poor.
Summary of the invention
Based on this, it is necessary to for the problem that the convenience of traditional interface signal uniformity test and versatility are poor, it is provided that a kind of interface signal conformance test method and system.
For realizing a kind of interface signal conformance test method that the object of the invention provides, comprise the steps:
By the executable file installed at interface equipment systematic difference layer, call the signal conformance test interface being arranged in during interface controller drives, described signal conformance test interface transmit test command and drive to described interface controller；
Described interface controller drives after receiving described test command, controls interface controller entering signal uniformity test pattern according to described test command, carries out interface signal uniformity test.
Wherein in an embodiment, the described executable file by installing at interface equipment systematic difference layer, before calling the signal conformance test interface being arranged in during interface controller drives, comprise the steps:
Described interface controller is driven and initializes；
Described signal conformance test interface is set up in described interface controller drives；
According to the described signal conformance test interface set up in driving at described interface controller, generate corresponding described executable file in described application layer.
Wherein in an embodiment, described described interface controller drive in set up described signal conformance test interface after, also include the step that described signal conformance test interface is packaged.
Wherein in an embodiment, the described executable file by installing at interface equipment systematic difference layer, call the signal conformance test interface being arranged in during interface controller drives, transmitted test command by described signal conformance test interface to drive to described interface controller, comprise the steps:
Run described application layer install described executable file, and etc. described test command to be received；
After receiving described test command, it is judged that whether described test command is signal conformance test command；
If so, then call described signal conformance test interface, described signal conformance test interface described test command is sent in the driving of described interface controller；
If it is not, then return the step performing the described test command to be received such as described.
Wherein in an embodiment, described interface controller drives after receiving described test command, controls interface controller entering signal uniformity test pattern according to described test command, comprises the steps:
Described interface controller drives after receiving described test command, described test command is resolved, obtains corresponding analysis result, and judge whether described analysis result is signal conformance test command；
If so, then call described signal conformance test interface, by described signal conformance test interface operation note, control described interface controller and enter described signal conformance test module；
If it is not, then perform the step of the described test commands to be received such as described interface controller driving.
Wherein in an embodiment, described interface equipment system is the system based on linux kernel platform；Described executable file is APK file.
Wherein in an embodiment, described interface is USB interface or EMAC interface.
Accordingly, present invention also offers a kind of interface signal consistency testing system, including executable file and signal conformance test interface；
Wherein, described executable file is arranged on described interface equipment systematic difference layer, and described signal conformance test interface is arranged in interface controller driving；And
Described executable file is provided with calling module；Described calling module, is configured to described executable file, calls described signal conformance test interface；
Described signal conformance test interface, is configured to transmit test command and drives to described interface controller；
Described interface controller drives and is provided with control module；Described control module, be configured to described interface controller drive receive described test command after, according to described test command control interface controller entering signal uniformity test pattern, carry out interface signal uniformity test.
Wherein in an embodiment, also include initialization module, test interface sets up module and file generating module；
Described initialization module, is configured to described interface controller is driven initialize；
Described test interface sets up module, is configured to set up described signal conformance test interface in described interface controller drives；
Described file generating module, is configured to, according to the described signal conformance test interface set up in driving at described interface controller, generate corresponding described executable file in described application layer.
Wherein in an embodiment, described calling module includes running wait unit, command determination unit, the first call unit and the first control unit；
Described operation waits unit, is configured to run the described executable file that described application layer is installed, and etc. described test command to be received；
Described command determination unit, be configured as described run wait that unit receives described test command after, it is judged that whether described test command is signal conformance test command；
Described first call unit, it is configured to described command determination unit judges and goes out described test command when being described signal conformance test command, call described signal conformance test interface, described signal conformance test interface described signal conformance test command is sent in the driving of described interface controller；
Described first control unit, is configured to described command determination unit judges and goes out described test command when not being described signal conformance test command, returns described operation and waits unit.
Wherein in an embodiment, described control module includes receiving analysis judgment unit, the second call unit and the second control unit；
Described analysis judgment unit, is configured to receive described test command, and described test command is resolved, and obtains corresponding analysis result, and judges whether described analysis result is signal conformance test command；
Described second call unit, it is configured to described analysis judgment unit judges and goes out described analysis result when being described signal conformance test command, call described signal conformance test interface, by described signal conformance test interface operation note, control described interface controller and enter described signal conformance test module；
Described second control unit, is configured to described analysis judgment unit judges and goes out described analysis result when not being described signal conformance test command, return described reception resolution unit.
The beneficial effect of above-mentioned interface signal conformance test method:
It is by increasing configuration signal uniformity test interface at interface controller in driving, and in interface equipment systematic difference layer, corresponding executable file is installed, directly invoked signal conformance test interface by executable file, and driven to interface controller by signal conformance test interface transmission test command.And then driven according to the test command received by interface controller again, control interface controller entering signal uniformity test pattern, carry out interface signal uniformity test.It need to directly install corresponding executable file in the application layer of device systems, and drive at interface controller and to set up signal conformance test interface and can realize the conforming test of interface signal, do not need the interface equipment of specific VIP and PID and corresponding interface equipment drives and the debugging terminal of serial ports, therefore simplify the signal conformance test of interface.Finally efficiently solve the convenience of traditional interface signal uniformity test and the problem that versatility is poor.
Accompanying drawing explanation
Fig. 1 is the flow chart of a specific embodiment of the interface signal conformance test method of the present invention；
Fig. 2 is the flow chart of another specific embodiment of the interface signal conformance test method of the present invention；
Fig. 3 is the structural representation of a specific embodiment of the interface signal consistency testing system of the present invention；
Fig. 4 is the structural representation of another specific embodiment of the interface signal consistency testing system of the present invention.
Detailed description of the invention
For making technical solution of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Firstly the need of illustrating, the interface carrying out signal conformance test being previously mentioned in the present invention refers to USB interface, EMAC interface or other interfaces.It is to say, the interface of the present invention is hardware interface (interface of the information machine inter-module such as computer).By the signal conformance of hardware interface is tested, it is possible to observe hardware system intersymbol interference in transmitting procedure, shake, effect of noise, thus evaluating the signal quality quality degree of hardware delivery system on this platform.
Referring to Fig. 1, a specific embodiment as the interface signal conformance test method of the present invention, first it include step S100, by the executable file installed at interface equipment systematic difference layer, call the signal conformance test interface being arranged in during interface controller drives, signal conformance test interface transmit test command and drive to interface controller.
Namely, by installing executable file at interface equipment systematic difference layer, and interface controller drive in configuration signal uniformity test interface, run the executable file that application layer is installed, by executable file call signal uniformity test interface, the purpose being transmitted during test command drives by signal conformance test interface can be realized to interface controller.
Herein, it should be noted that signal conformance test interface is be set in advance in interface controller driving, and executable file is also pre-installed in interface equipment systematic difference layer.That is, signal conformance test interface is arranged on the driving layer of interface equipment system, and executable file is arranged on interface equipment systematic difference layer.Thus, performing step S100, by the executable file installed at interface equipment systematic difference layer, before calling the signal conformance test interface being arranged in during interface controller drives, it is additionally included in the step driving layer to set up signal conformance test interface, and generates and install the step of executable file at interface equipment systematic difference layer.
Concrete, referring to Fig. 2, when driving layer to set up signal conformance test interface, first pass through step S010, docking port controller drives and initializes, and then again through step S011, in interface controller drives, set up signal conformance test interface, pre-setting of signal conformance test interface can be realized.Wherein it is desired to illustrate, in interface controller drives, set up signal conformance test interface can pass through directly to write in interface controller drives to add the one section of function program realizing test interface accordingly.That is, signal conformance test interface can be realized by one section of function.Its implementation is simple and convenient, and does not need any hardware cost, and this also just reduces production cost.
And, it is preferred that in the interface signal conformance test method of the present invention, after setting up signal conformance test interface in interface controller drives, also include the step that the signal conformance test interface pre-set is packaged.That is, step S012, is packaged the signal conformance test interface set up.Wherein, in step S012, when signal conformance test interface is packaged, specifically can carry out the encapsulation of respective type interface according to the type of interface equipment system.As, when the interface equipment system of the present invention is platform based on linux kernel (such as android system, i.e. Android system), signal conformance test interface can be encapsulated as sysfs type.Accordingly, executable file can be APK (AndroidPackage, i.e. Android installation kit) file (that is, the form of executable file is APK form).It addition, the interface equipment system of the present invention can be also ubuntu system.It should be pointed out that, when interface equipment system is other system, executable file and the type after the encapsulation of signal conformance test interface can be changed accordingly.Meanwhile, the encapsulation of signal conformance test interface is configured also dependent on concrete device systems.
Staying in during interface controller drives after setting up signal conformance test interface, now, the driving layer of interface equipment system then performs step S210, waits application layer calling signal conformance test interface.Meanwhile, interface equipment systematic difference layer then performs step S013, according to the signal conformance test interface set up in driving at interface controller, generates executable file, can realize executable file in the generation of application layer and installation.Herein, it is necessary to explanation, executable file specifically performs Program Generating according to the signal conformance test interface that pre-sets and according to what this signal conformance test interface write in advance.Further, when setting up signal conformance test interface in driving at interface controller, if signal conformance test interface has been encapsulated, then corresponding, when generating executable file, then carry out with specific reference to the signal conformance test interface after encapsulation.Concrete, after signal conformance test interface is encapsulated as the interface of sysfs type, then carries out writing of executable program according to the signal conformance test interface that type is sysfs after encapsulation, and generate corresponding executable file in application layer.
Referring to Fig. 2, after generating corresponding executable file (such as APK file) at interface equipment systematic difference layer, the executable file installation in application layer can be realized by man-machine interaction.Meanwhile, step S100 can be performed, by the executable file call signal uniformity test interface that application layer is installed, signal conformance test interface transmit test command and drive to interface controller, to carry out the conforming test of interface signal.
Concrete, specifically include that in the step performed by interface equipment systematic difference layer and first performed step S110 by interface equipment systematic difference layer, run the executable file installed, and etc. test command to be received.Wherein, owing to the transmission of test command can be realized by the signal conformance test in click executable file in interactive process.After the signal conformance test passing through to click in executable file realizes the transmission of test command, now application layer receives test command, and then performs step S120, receives test command, and judges whether test command is signal conformance test command.If so, then directly perform step S130, call signal uniformity test interface, signal conformance test interface signal conformance test command is sent in interface controller driving.Perform step S110 if it is not, then return, the step of test command to be received such as continue executing with.
When passing through to run executable file call signal uniformity test interface, and the test command received by signal conformance test interface transmits is to interface controller driving, step S200 can be performed, interface controller drives after receiving test command, control interface controller entering signal uniformity test pattern according to test command, carry out interface signal uniformity test.That is, now the switching of interface controller pattern is performed by the layer that drives of interface equipment system.
Wherein, in step S200, interface controller drives after receiving test command, control in interface controller entering signal uniformity test pattern according to test command, can pass through to be driven call signal uniformity test interface by interface controller, the depositor of device systems is operated, it is achieved the conversion of the pattern of interface controller so that interface controller switches to signal conformance test pattern by signal conformance test interface.
Concrete, referring to Fig. 2, the driving of interface equipment system step performed by layer then specifically includes that and first passes through step S210, and interface controller drives the test command waiting that received signal conformance test interface sends.That is, interface controller drives and waits calling signal conformance test interface in application layer.After interface controller drives and receives the test command that signal conformance test interface transmits, show that now application layer has called into signal conformance test interface, now so that the test result of docking port signal conformance is more accurate and convenient, can pass through to perform step S220, test command is resolved, obtain corresponding analysis result, and judge whether analysis result is signal conformance test command.If so, then show the test of signal conformance now for docking port, then can directly perform step S230, call signal uniformity test interface, by signal conformance test interface operation note, control interface controller entering signal uniformity test module, carry out the conforming test of interface signal.If not, then show not to be now the test of the signal conformance carrying out interface, therefore then return and perform step S210, interface controller drives and continues waiting for the test command that received signal conformance test interface sends, and namely interface controller drives layer to continue to wait until application layer calling signal conformance test interface.
Further, it should be pointed out that when interface controller entering signal uniformity test pattern, when carrying out interface signal uniformity test, its test result can be displayed by oscillograph.Thus, referring to Fig. 2, before the signal conformance carrying out interface is tested, first pass through step S001, interface is connected with external oscillograph, thus when interface controller entering signal uniformity test pattern, after carrying out the signal conformance test of interface, step S300 can be passed through, the signal conformance signal that test obtains is directly output to oscillograph, and then again through step S400, by oscilloscope display signal conformance waveform.It passes through oscilloscope display test result, so that test result simple, intuitive.
In addition, it is necessary to illustrate, it is whether that the judgement of signal conformance test command both can carry out in application layer to test command, it is possible to driving layer to carry out, also can in application layer with drive layer carry out simultaneously.That is, to test command it is whether the judgement of signal conformance test command, both can carry out when being used for and starting the executable file being arranged on application layer, it is possible to carry out after interface controller drives and receives the test command transmitted by signal conformance test interface.Preferably, it is whether that the judgement of signal conformance test command can carry out after starting the executable file being arranged on application layer to test command simultaneously, also carries out after interface controller drives and receives test command simultaneously.That is, by test command being performed twice at judgement in application layer and driving layer, it is effectively increased accuracy and the convenience of interface signal uniformity test result.
Accordingly, in order to realize any of the above-described kind of interface signal conformance test method, present invention also offers a kind of interface signal consistency testing system.Owing to the operation principle of interface signal consistency testing system provided by the invention and the principle of signal conformance method of testing provided by the invention are same or similar, therefore repeat part and repeat no more.
Referring to Fig. 3, as a specific embodiment of the interface signal consistency testing system 100 of the present invention, it includes executable file 111 and signal conformance test interface 121.Wherein, executable file 111 is arranged in interface equipment systematic difference layer 110.Signal conformance test interface 121 is arranged on interface controller and drives in 120.Further, executable file 111 is provided with calling module 1110.This calling module 1110, is configured to the executable file 111 installed at interface equipment systematic difference layer 110, call signal uniformity test interface 121.Signal conformance test interface 121, is configured to transmit test command and drives 120 to interface controller.Meanwhile, interface controller drives and is additionally provided with control module 122 in 120.This control module 122, be configured to interface controller drive 120 receive test command after, according to test command control interface controller (not shown) entering signal uniformity test pattern, carry out interface signal uniformity test.
It is by installing executable file 111 at interface equipment systematic difference layer 110, and calling module 1110 is set in executable file 111, drive the signal conformance test interface 121 set up in 120 for calling interface controller, signal conformance test interface 121 transmit corresponding test command and drive in 120 to interface controller.And then again by controlling the module 122 test commands according to interface controller driving 120 reception, the pattern controlling interface controller switches to signal conformance test pattern, to realize the conforming test of interface signal.It need to adopt the calling module 1110 in the executable file 111 that application layer 110 is installed and interface controller to drive the signal conformance test interface 121 in 120 and control module 122 can realize the conforming test of interface signal.Its interface equipment 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, have only to user and directly install and click executable file 111 in application layer 110, call the signal conformance test interface 121 in driving and can allow interface controller entering signal uniformity test pattern.Simple and convenient, and there is good versatility.
Further, referring to Fig. 4, as a specific embodiment of the interface signal consistency testing system 100 of the present invention, it also includes initialization module 123, test interface sets up module 124 and file generating module 112.Wherein, initialization module 123 and test interface are set up module 124 and all be may be provided at interface controller and drive in 120.Further, initialization module 123, it is configured to docking port controller and drives 120 to initialize.Test interface sets up module 124, is configured to drive in 120 at interface controller set up signal conformance test interface 121.File generating module 112 then may be provided in interface equipment systematic difference layer 110, is configured to, according to driving the signal conformance test interface 121 set up in 120 at interface controller, generate corresponding executable file 111 in application layer 110.
Additionally, it should be noted that a specific embodiment of the interface signal consistency testing system 100 as the present invention, it may also include test interface package module (not shown).This test interface package module, is configured as test interface and arranges module 124 after interface controller drives and sets up signal conformance test interface 121 in 120, signal conformance test interface 121 is packaged.Concrete, it can carry out the encapsulation of respective type interface according to the type of interface equipment system.
Further, calling module 1110 includes running wait unit, command determination unit, the first call unit and the first control unit (all not shown in figure).Run and wait unit, be configured to run the described executable file 111 that described application layer 110 is installed, and etc. described test command to be received.Command determination unit, be configured as described run wait that unit receives described test command after, it is judged that whether described test command is signal conformance test command.First call unit, it is configured to described command determination unit judges and goes out described test command when being described signal conformance test command, call described signal conformance test interface 121, described signal conformance test interface 121 described signal conformance test command is sent to described interface controller and drives in 120.First control unit, is configured to described command determination unit judges and goes out described test command when not being described signal conformance test command, returns described operation and waits unit.
Further, control module 122 to include receiving analysis judgment unit, the second call unit and the second control unit (all not shown in figure).Analysis judgment unit, is configured to receive described test command, and described test command is resolved, and obtains corresponding analysis result, and judges whether described analysis result is signal conformance test command.Second call unit, it is configured to described analysis judgment unit judges and goes out described analysis result when being described signal conformance test command, call described signal conformance test interface 121, by described signal conformance test interface 121 operation note, control described interface controller and enter described signal conformance test module.Second control unit, is configured to described analysis judgment unit judges and goes out described analysis result when not being described signal conformance test command, return described reception resolution unit.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. an interface signal conformance test method, it is characterised in that comprise the steps:
By the executable file installed at interface equipment systematic difference layer, call the signal conformance test interface being arranged in during interface controller drives, described signal conformance test interface transmit test command and drive to described interface controller；
Described interface controller drives after receiving described test command, controls interface controller entering signal uniformity test pattern according to described test command, carries out interface signal uniformity test.
2. method according to claim 1, it is characterised in that the described executable file by installing at interface equipment systematic difference layer, before calling the signal conformance test interface being arranged in during interface controller drives, comprises the steps:
Described interface controller is driven and initializes；
Described signal conformance test interface is set up in described interface controller drives；
According to the described signal conformance test interface set up in driving at described interface controller, generate corresponding described executable file in described application layer.
3. method according to claim 2, it is characterised in that described described interface controller drive in set up described signal conformance test interface after, also include the step that described signal conformance test interface is packaged.
4. method according to claim 1, it is characterized in that, the described executable file by installing at interface equipment systematic difference layer, call the signal conformance test interface being arranged in during interface controller drives, transmitted test command by described signal conformance test interface to drive to described interface controller, comprise the steps:
Run described application layer install described executable file, and etc. described test command to be received；
After receiving described test command, it is judged that whether described test command is signal conformance test command；
If so, then call described signal conformance test interface, described signal conformance test interface described test command is sent in the driving of described interface controller；
If it is not, then return the step performing the described test command to be received such as described.
5. the method according to claim 1 or 4, it is characterised in that described interface controller drives after receiving described test command, controls interface controller entering signal uniformity test pattern according to described test command, comprises the steps:
Described interface controller drives after receiving described test command, described test command is resolved, obtains corresponding analysis result, and judge whether described analysis result is signal conformance test command；
If so, then call described signal conformance test interface, by described signal conformance test interface operation note, control described interface controller and enter described signal conformance test module；
If it is not, then perform the step of the described test commands to be received such as described interface controller driving.
6. method according to claim 1, it is characterised in that described interface equipment system is the system based on linux kernel platform；Described executable file is APK file.
7. method according to claim 1, it is characterised in that described interface is USB interface or EMAC interface.
8. an interface signal consistency testing system, it is characterised in that include executable file and signal conformance test interface；
Wherein, described executable file is arranged on described interface equipment systematic difference layer, and described signal conformance test interface is arranged in interface controller driving；And
Described executable file is provided with calling module；Described calling module, is configured to described executable file, calls described signal conformance test interface；
Described signal conformance test interface, is configured to transmit test command and drives to described interface controller；
Described interface controller drives and is provided with control module；Described control module, be configured to described interface controller drive receive described test command after, according to described test command control interface controller entering signal uniformity test pattern, carry out interface signal uniformity test.
9. system according to claim 8, it is characterised in that also include initialization module, test interface sets up module and file generating module；
Described initialization module, is configured to described interface controller is driven initialize；
Described test interface sets up module, is configured to set up described signal conformance test interface in described interface controller drives；
Described file generating module, is configured to, according to the described signal conformance test interface set up in driving at described interface controller, generate corresponding described executable file in described application layer.
10. system according to claim 8, it is characterised in that described calling module includes running wait unit, command determination unit, the first call unit and the first control unit；
Described operation waits unit, is configured to run the described executable file that described application layer is installed, and etc. described test command to be received；
Described command determination unit, be configured as described run wait that unit receives described test command after, it is judged that whether described test command is signal conformance test command；
Described first call unit, it is configured to described command determination unit judges and goes out described test command when being described signal conformance test command, call described signal conformance test interface, described signal conformance test interface described signal conformance test command is sent in the driving of described interface controller；
Described first control unit, is configured to described command determination unit judges and goes out described test command when not being described signal conformance test command, returns described operation and waits unit.
11. the system described according to Claim 8 or 10, it is characterised in that described control module includes receiving analysis judgment unit, the second call unit and the second control unit；
Described analysis judgment unit, is configured to receive described test command, and described test command is resolved, and obtains corresponding analysis result, and judges whether described analysis result is signal conformance test command；
Described second call unit, it is configured to described analysis judgment unit judges and goes out described analysis result when being described signal conformance test command, call described signal conformance test interface, by described signal conformance test interface operation note, control described interface controller and enter described signal conformance test module；
Described second control unit, is configured to described analysis judgment unit judges and goes out described analysis result when not being described signal conformance test command, return described reception resolution unit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782153A (en) * | 2019-01-14 | 2019-05-21 | 大唐微电子技术有限公司 | A kind of method, apparatus of chip testing, chip and computer storage medium |
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