CN109474878A - A kind of Carplay Auto-Test System and method - Google Patents
A kind of Carplay Auto-Test System and method Download PDFInfo
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- CN109474878A CN109474878A CN201811219149.3A CN201811219149A CN109474878A CN 109474878 A CN109474878 A CN 109474878A CN 201811219149 A CN201811219149 A CN 201811219149A CN 109474878 A CN109474878 A CN 109474878A
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- carplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
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Abstract
The invention discloses a kind of Carplay Auto-Test Systems, including test device and product to be measured, the test device includes Master Control Center device, signal generating module, signal output module and signal acquisition module, the Master Control Center device is used to send control instruction to each module, the signal generating module is used to acquire the audio output signal of the product to be measured for generating audio signal generator, the signal acquisition module.Production efficiency is improved using the technical solution, reduces cost of labor.
Description
Technical field
The present invention relates to field of automatic testing, in particular to a kind of Carplay Auto-Test System and method.
Background technique
In nowadays fast-developing Automobile Electronic Industry, more and more vehicle mounted guidance products can all have Carplay function
Can and it have become a kind of trend, and the Carplay functional test for vehicle mounted guidance product, it is primarily now to pass through manual testing
Method it is whether normal come the Carplay function of checking vehicle-mounted product.The process of existing manual testing's Carplay function is as schemed
Shown in 1, there are following drawbacks for existing Carplay test method:
1. automatic test degree is lower；
2. there is test leakage examination, erroneous judgement in manual testing；
3. existing test method only ensure that the access on software, cannot guarantee whether hardware access is normal.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of Carplay Auto-Test System, improves production efficiency.
A kind of Carplay Auto-Test System provided in an embodiment of the present invention, including test device and product to be measured, it is described
Test device includes Master Control Center device, signal generating module, signal output module and signal acquisition module, the Master Control Center
Device is used to send control instruction to each module, and the signal generating module is for generating audio signal generator, the signal
Acquisition module is used to acquire the audio output signal of the product to be measured.
Optionally, the product to be measured includes the serial input interface connecting with the Master Control Center device and the letter
The audio input interface of number output module connection and the audio output interface being connect with the signal acquisition module.
Optionally, the test device further includes PC monitor, for exporting display test result and saving test data.
Optionally, the product to be measured includes that the URAT serial line interface connecting with the Master Control Center device is used for production to be measured
Master Control Center device described in product and test device carries out command communication.
Optionally, the product to be measured further includes USB interface, for connecting peripheral test accessory.
Optionally, the Carplay Auto-Test System is based on NI-LabVIEW and Teststand platform.
In addition, the present invention also provides a kind of Carplay automatic test approach, comprising:
(1) serial communication between Master Control Center device and product to be measured sends corresponding control instruction and is initialized
Operation and booting；
(2) Master Control Center device is transmitted into the instruction of Carplay connection mode, and the product to be measured is responded and fed back
It instructs to the Master Control Center device；
(3) Master Control Center device is transmitted into test pattern instruction after recognizing product instruction to be measured, and product to be measured carries out
Response；
(4) Master Control Center device sends setting volume instructions to product to be measured, and the product to be measured changes volume；
(5) the Master Control Center device sends the instruction for opening product intelligent voice assistant to be measured；
(6) for the Master Control Center device by signal generating module output audio signal to signal output module, signal is defeated
Audio signal is output to product to be measured by module out；
(7) audio signal is entered by the microphone of product to be measured, is exported by the loudspeaker of product to be measured, is passed through detection
The frequency and level output for comparing the audio signal of product loudspeaker to be measured, judge whether Carplay function is normal；
(8) it if closing audio signal output normal through Master Control Center device, sends instruction and product to be measured is allowed to exit
Carplay test pattern；If abnormal carry out isolation analysis；
(9) it uploads test result and saves.
It optionally, further include the survey for scanning Product labelling sequence number to be measured and transferring corresponding product before starting test
Try program.
Optionally, test environment is based on LabVIEW and Teststand platform.
Therefore using the present embodiment technical solution, due to the automation using vehicle mounted guidance products C arplay function
Test, improves production efficiency, reduces labour.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is existing Carplay test method flow chart；
Fig. 2 is a kind of Carplay Auto-Test System schematic diagram provided by the invention；
Fig. 3 is a kind of Carplay automatic test approach flow chart provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
The present embodiment provides a kind of Carplay Auto-Test Systems, as shown in Fig. 2, including test device and product to be measured,
Test device 1 includes PC monitor 2, Master Control Center device 3, signal generating module 4, signal output module 5 and signal acquisition
Module 6.
Master Control Center device 3 sends control instruction to each module, including generates audio signal, adopts to signal acquisition module 6
The signal collected is analyzed, and result is output to PC monitor 2 and is shown.PC monitor 2 shows test result for exporting,
And test data is saved in order to inquire and trace.Signal generating module 4 is for generating audio signal generator.Signal exports mould
Block 5 is sound card output, including sound equipment.Signal acquisition module 6 is used to acquire the audio output signal of product 7 to be measured.
It can be, but not limited to, product 7 to be measured includes that serial line interface 8, USB interface 9, audio input interface 10 and audio are defeated
Outgoing interface 11.Serial line interface 8 is URAT input, output, for product to be measured 7 and the Master Control Center device 3 in test device 1 into
Communication between row instruction.USB interface 9, for connecting peripheral test accessory 12, i.e. Iphone mobile phone 13.Audio input interface 10
For product microphone.Audio output interface 11 is product loudspeaker.
The Carplay Auto-Test System is based on NI-LabVIEW and Teststand platform, is assisted according to serial communication
View, develop with corresponding control instruction realize the communication between test device and product, improve automatization level.It borrows
It helps audio to enter the design concept finally exported from product loudspeaker from product microphone, is translated into the survey of manufacturability
Program is tried, realizes automatic test.It may be implemented to save, upload in real time the test of each product by Teststand platform
It records and as a result, is inquired and retrospect convenient for the later period.
The present invention also provides a kind of Carplay automatic test approach, before starting test, need to scan the mistake of product
Journey bar code transfers the test program of corresponding product automatically, then needs first to make the board instrument in test device one initially
Change, the initialization including switching board, programmable power supply, serial ports, last test program can distribute separate threads.Above step is completed
Afterwards, the functional test for starting progress Carplay, as shown in figure 3, specific as follows:
(1) the process tag serial number for scanning product is used to trace and transfer the test program of corresponding product；
(2) it by LabVIEW tool, by serial communication between Master Control Center device and product to be measured, sends corresponding
Control instruction initialize and be switched on；
(3) Master Control Center device is transmitted into the instruction of Carplay connection mode to product to be measured, and the product to be measured carries out
It responds and feedback command is to the Master Control Center device；
(4) Master Control Center device is transmitted into test pattern instruction after recognizing product instruction to be measured, and product to be measured carries out
It responds and feedback command is given to Master Control Center；
(5) Master Control Center device sends setting volume instructions to product URAT input terminal to be measured by URAT output end, makes
The product to be measured changes volume；
(6) the Master Control Center device sends the instruction for opening product intelligent voice assistant to be measured；
(7) the Master Control Center device exports a fixed frequency, amplitude, the sound of duration by signal generating module
For frequency signal to signal output module, signal output module passes through the Mike that audio signal input is given to product to be measured by peripheral sound equipment
Wind；
(8) audio signal is entered by the microphone of product to be measured, by DSP, Iphone mobile phone, Iphone mobile phone,
DSP, power amplifier finally arrive product loudspeaker, form a complete link；After this complete link, compared by detection
Whether normal the frequency of the audio signal of product loudspeaker and the output for exchanging level, judge automatically Carplay function；Pass through sound
Frequency signal enters the full link that product loudspeaker exports from the microphone of product to be measured, in the software for directly testing product
While whether normal, the hardware access problems for testing product of indirect；
(9) it if closing audio signal output normal through Master Control Center device, performs the next step；If abnormal progress
Isolation analysis, executes step (11)；
(10) sending instruction allows product to be measured to exit Carplay test pattern, to exit Carplay；
(11) it uploads test result and saves.
All operations referred to above are all based under LabVIEW environment and realize, to realize intuitive automatic test,
Teststand environment is added, the operation under LabVIEW environment is integrated into an orderly manner on Teststand workbench, realizes intuitive
Ground automatic test.
Carplay is the onboard system of American Apple Inc's publication, it is by the ios equipment, iso usage experience and instrument of user
Dial plate system seamless combination.Carplay supports the iPhone mobile phone for possessing Lightning interface.Control Carplay mainly has three
Kind mode: Siri, touch screen displays and physical button.
LabVIEW is a kind of programming development environment, by American National instrument (NI) company develop, be similar to C and
BASIC develops environment, but the significant difference of LabVIEW and other computer languages are: other computer languages are all to use
Text based language generates code, and LabVIEW uses graphical author language G to write program, and the program of generation is
The form of block diagram.
TestStand is a software platform of National Instruments' (NI) independent development research.NITestStand
It is a supervision test software being immediately performed, it can help user quickly to develop automatic test and verification system, together
When be also for tissue, control and execute automation prototype, verifying or manufacture test system.
This patent can be realized the automatic test of vehicle mounted guidance products C arplay function, the elevator belt of the degree of automation
The promotion for the production efficiency come reduces labour.Meanwhile realize automatic test can preferably prevent personnel intervention because
Element, common such as test leakage examination, erroneous judgement.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (9)
1. a kind of Carplay Auto-Test System, which is characterized in that including test device and product to be measured, the test device
Including Master Control Center device, signal generating module, signal output module and signal acquisition module, the Master Control Center device is used for
Control instruction is sent to each module, the signal generating module is for generating audio signal generator, the signal acquisition module
For acquiring the audio output signal of the product to be measured.
2. a kind of Carplay Auto-Test System as described in claim 1, which is characterized in that the product to be measured include with
The serial input interface of Master Control Center device connection, the audio input interface being connect with the signal output module and with
The audio output interface of the signal acquisition module connection.
3. a kind of Carplay Auto-Test System as claimed in claim 2, which is characterized in that the test device further includes
PC monitor, for exporting display test result and saving test data.
4. a kind of Carplay Auto-Test System as claimed in claim 3, which is characterized in that the product to be measured include with
The URAT serial line interface of Master Control Center device connection for Master Control Center device described in product to be measured and test device into
Row command communication.
5. a kind of Carplay Auto-Test System as claimed in claim 4, which is characterized in that the product to be measured further includes
USB interface, for connecting peripheral test accessory.
6. a kind of Carplay Auto-Test System as described in any in claim 1 to 5, which is characterized in that described
Carplay Auto-Test System is based on NI-LabVIEW and Teststand platform.
7. a kind of Carplay automatic test approach characterized by comprising
(1) serial communication between Master Control Center device and product to be measured sends corresponding control instruction and initializes
With booting；
(2) Master Control Center device is transmitted into the instruction of Carplay connection mode, and the product to be measured respond and feedback command
To the Master Control Center device；
(3) Master Control Center device is transmitted into test pattern instruction after recognizing product instruction to be measured, and product to be measured is responded；
(4) Master Control Center device sends setting volume instructions to product to be measured, and the product to be measured changes volume；
(5) the Master Control Center device sends the instruction for opening product intelligent voice assistant to be measured；
(6) for the Master Control Center device by signal generating module output audio signal to signal output module, signal exports mould
Audio signal is output to product to be measured by block；
(7) audio signal is entered by the microphone of product to be measured, is exported by the loudspeaker of product to be measured, is compared by detection
The frequency and level of the audio signal of product loudspeaker to be measured export, and judge whether Carplay function is normal；
(8) it if closing audio signal output normal through Master Control Center device, sends instruction and product to be measured is allowed to exit Carplay
Test pattern；If abnormal carry out isolation analysis；
(9) it uploads test result and saves.
8. a kind of Carplay automatic test approach as claimed in claim 7, which is characterized in that before starting test, also wrap
It includes and scans the test program that Product labelling sequence number to be measured transfers corresponding product.
9. a kind of Carplay automatic test approach as claimed in claim 7 or 8, which is characterized in that test environment is based on
LabVIEW and Teststand platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219149.3A CN109474878A (en) | 2018-10-19 | 2018-10-19 | A kind of Carplay Auto-Test System and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219149.3A CN109474878A (en) | 2018-10-19 | 2018-10-19 | A kind of Carplay Auto-Test System and method |
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Family
ID=65664183
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| CN109982232A (en) * | 2019-04-29 | 2019-07-05 | 广州小鹏汽车科技有限公司 | Vehicle, the audio system of vehicle and its test method, device |
| CN110572764A (en) * | 2019-09-19 | 2019-12-13 | 吉旗物联科技（上海）有限公司 | Remote fault diagnosis method and device for vehicle-mounted audio equipment |
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| CN110572764A (en) * | 2019-09-19 | 2019-12-13 | 吉旗物联科技（上海）有限公司 | Remote fault diagnosis method and device for vehicle-mounted audio equipment |
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Application publication date: 20190315 |