CN115509843A - Intelligent cabin host computer USB identification automatic testing device and method thereof - Google Patents
Intelligent cabin host computer USB identification automatic testing device and method thereof Download PDFInfo
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- CN115509843A CN115509843A CN202211318897.3A CN202211318897A CN115509843A CN 115509843 A CN115509843 A CN 115509843A CN 202211318897 A CN202211318897 A CN 202211318897A CN 115509843 A CN115509843 A CN 115509843A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F11/2221—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 input/output devices or peripheral units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F11/2273—Test methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an automatic USB identification testing device and method for a host of an intelligent cabin, wherein in the device, a PC is connected with a serial relay, the serial relay is connected with a USB control relay, the USB control relay is respectively connected with a USB flash disk insertion unit and the host of the intelligent cabin, and the host of the intelligent cabin is connected with a central control screen; the USB control relay is connected with the USB disk insertion unit and the intelligent cabin host through the cut-off USB data line respectively, wherein the female head of the cut-off USB data line is inserted into the USB disk insertion unit, the male head of the cut-off USB data line is inserted into the intelligent cabin host, and sub-lines inside the cut-off part of the cut-off USB data line are connected to the two ends of a public contact and a normally open contact of the USB control relay respectively according to color correspondence. The invention solves the problems of labor intensity and risk increase caused by manual plugging in and out in the stability test; or after the recognition fails, the test process is suspended to wait for manual photographing, screen recording and log capturing.
Description
Technical Field
The invention relates to the technical field of USB identification automatic test, in particular to an intelligent cabin host USB identification automatic test device and method.
Background
The USB function of the automobile is an important function of the whole automobile, and the USB module is integrated in the vehicle-mounted intelligent cabin at present to support the USB function. The USB plug is also one of the most frequently used operations of the car owner, the repeated plug can cause more problems, and in order to detect and verify the repeated plug function and performance of the USB, a software tester must perform function and stability tests on the USB function of the vehicle-mounted host before delivery.
The functional test is realized mainly through manual plug USB flash disk or USB data line in the present trade, and the purpose is to insert the recognition function in order to test the USB flash disk. The stability test has two main methods, the first method is that a tester tests through manual operation, the test method has more requirements on human resources, meanwhile, along with the increase of test time and the increase of test times, the efficiency of manual plugging and unplugging test is gradually reduced, the repetitive work is very boring, software testers are easy to fatigue, the quality of each plugging is difficult to ensure, certain personal injury risk exists, and the requirements of high-duration and high-frequency durability test cannot be met. The second type is based on a reciprocating motor or a reciprocating cylinder, and realizes the automatic plugging of the USB by controlling the reciprocating motion of the reciprocating motor or the cylinder through software programming. This implementation has two disadvantages: firstly, the dependence on hardware, especially mechanical structures, is large, the implementation is complex, and the cost is high. Secondly, the automatic USB mode is only suitable for detecting the plugging life, and cannot automatically and correctly judge whether the USB interface correctly identifies the USB device during each plugging. If the vehicle-mounted computer is judged to be successfully identified, manual intervention is still needed, the whole automation process must be suspended, manual photographing and log grabbing are waited, execution efficiency is low, and automation significance is not large. Therefore, for testing the stability of the USB, a simple, fast and efficient automatic implementation form is urgently needed.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide an intelligent cabin host USB identification automation testing apparatus and method thereof, which solve the problem that manual plugging occupies manpower resources and increases labor intensity and labor risk caused by high-intensity manual plugging in stability testing; or in an automatic mode, after the recognition fails, the test process is suspended to wait for manual shooting, screen recording and log capturing.
In order to achieve the purpose, the invention provides an intelligent cabin host computer USB identification automatic testing device which comprises a PC, a serial relay, a USB control relay, a USB flash disk insertion unit, an intelligent cabin host computer and a central control screen, wherein the PC is connected with the serial relay, the serial relay is connected with the USB control relay, the USB control relay is respectively connected with the USB flash disk insertion unit and the intelligent cabin host computer, and the intelligent cabin host computer is connected with the central control screen;
the USB control relay is respectively connected with the USB flash disk insertion unit and the intelligent cabin host through a cut-off USB data line, and both ends of the USB data line are respectively provided with a male head and a female head; the USB control relay comprises a USB control relay, a USB data line, a USB disk insertion unit, an intelligent cabin host, a USB control relay and a USB control relay, wherein a female head of the truncated USB data line is inserted into the USB disk insertion unit, a male head of the truncated USB data line is inserted into the intelligent cabin host, and sub-lines inside a truncated part of the truncated USB data line are correspondingly connected to two ends of a common contact and a normally open contact of the USB control relay respectively according to colors.
Further, the intelligent cabin host and the USB control relay are connected with a 12V/10A adjustable power supply.
Further, the PC is a laptop or desktop computer loaded with Python programming.
Further, the serial port relay is a single-path relay with a driver and an APP.
Furthermore, the USB control relay is a 12V direct current relay with 4 groups of normally open contacts and 4 groups of normally closed contacts, and two ends of the 4 groups of normally open contacts are respectively connected with four sub-lines in the cut-off end of the cut-off USB data line.
Furthermore, the intelligent cabin host is an intelligent cabin controller for testing and is used for controlling display of the central control screen and communication with the PC.
Furthermore, the central control screen is an LED screen or an LCD screen and is used for displaying prompts of success and failure of inserting the USB flash disk.
The invention also provides an automatic test method for USB identification of the intelligent cabin host, which comprises the following steps:
the method comprises the following steps that a USB data line with a male head and a female head is cut off in the middle, sub lines in the two cut ends are correspondingly connected to the two ends of a common contact and a normally open contact of a USB control relay according to colors, a USB flash disk used for testing is inserted into one end of the female head, and the male head is inserted into a USB interface of a host of an intelligent cabin;
the USB is controlled to control the attraction and the disconnection of a relay coil by utilizing the on-off of a serial port relay, so that the insertion and the extraction of a USB flash disk are simulated;
the intelligent cabin host starts to record the screen 3 seconds before the USB control relay is closed, and finishes recording the screen after the USB control relay is disconnected and delays for 3 seconds, so that the screen recording video is ensured to include a complete insertion and extraction period;
after the host of the intelligent cabin successfully identifies the USB flash disk, software on the PC delays for N1 seconds according to the relevant flag bits after successful identification, and a serial port relay is disconnected, so that the USB flash disk can be simulated to be pulled out; after delaying N2 seconds again, the software on the PC controls the serial port relay to close, so that the insertion of the simulated USB flash disk is realized, and the next cycle is started;
after the intelligent cockpit host fails to recognize the USB flash disk, software on the PC can automatically capture a screen and a log of the central control screen according to the related flag bit after the recognition fails, and the log is stored in a folder which is established in advance; after automatic screen capture and log capture are completed, delaying for N3 seconds, and disconnecting a serial port relay, so that the USB flash disk is simulated to be pulled out; after delaying N4 seconds again, the software on the PC controls the serial port relay to close, so that the insertion of the simulated USB flash disk is realized, and the next cycle is started;
after the set times of tests are finished, the automatic tests are stopped; the tester counts and analyzes the test result according to the output data, and submits the related screenshot, the screen recording video and the log to research and development reference processing problems;
the delay time values N1, N2, N3 and N4 are time intervals defined according to different host response time requirements.
The beneficial effects of the invention are:
1. the USB control relay is designed for simulating the process of inserting and extracting the USB flash disk, so that the investment of a complex mechanical structure of mechanical insertion and extraction and other equipment is saved, and a large amount of cost is saved. The traditional method is used for fixing the mechanical structure of the USB flash disk, belongs to a non-standard part, and has high machining cost. A motor or cylinder for plug USB flash disk uses all need other peripheral hardware to drive, and the cost is also very high.
2. The USB control relay is designed for simulating the process of inserting and extracting the USB flash disk, so that the problems of insertion quality reduction and personal risk caused by long-time manual insertion and extraction are avoided, the operation is more convenient and faster, the personal risk is eliminated, and the testing efficiency is improved.
3. When the design USB flash disk identification fails, the automatic screen capture and log grabbing functions effectively avoid the problem that the USB flash disk identification failure in the existing automatic test mode needs to be interrupted or stopped for testing and waiting for manual processing, so that the test efficiency is greatly improved.
4. When the design of the USB flash disk fails in recognition, the functions of automatic screen capture and log capture are achieved, and the test function is tested for a certain time, so that a test report can be quickly formed when the test is finished, and the recognition success rate is displayed.
5. The automatic screen recording function is set, a proper software node is selected, the full period of inserting and extracting the USB flash disk is ensured to be in the screen recording range through defining program parameters, the screen recording video which is successfully inserted and identified is covered, only the video which is failed in identification is saved, the occupation of hard disk resources is avoided, the later-stage manual screening is facilitated, and the efficiency of software processing problems is improved.
Drawings
FIG. 1 is a functional block diagram of the test apparatus of the present invention;
FIG. 2 is a flow chart of a testing method of the present invention.
The reference numbers in the figures: 1. a PC machine; 2. a serial port relay; 3. a USB control relay; 4. a USB flash disk insertion unit; 5. an intelligent cabin host; 6. and (4) a central control screen.
Detailed Description
The conception, specific structure and technical effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.
As shown in figure 1, the intelligent cabin host USB identification automatic testing device comprises a PC (personal computer) 1, a serial relay 2, a USB control relay 3, a USB (universal serial bus) plug-in unit 4, an intelligent cabin host 5 and a central control screen 6, wherein the PC1 is connected with the serial relay 2, the serial relay 2 is connected with the USB control relay 3, the USB control relay 3 is respectively connected with the USB plug-in unit 4 and the intelligent cabin host 5, and the intelligent cabin host 5 is connected with the central control screen 6;
the USB control relay 3 is respectively connected with the USB flash disk insertion unit 4 and the intelligent cabin host 5 through a cut-off USB data line, and both ends of the USB data line are respectively provided with a male head and a female head; the USB control relay is characterized in that a female head of a truncated USB data line is inserted into a USB disk insertion unit 4, a male head of the truncated USB data line is inserted into an intelligent cockpit host 5, and sub-lines inside a truncated part of the truncated USB data line are correspondingly connected to two ends of a common contact and a normally open contact of the USB control relay 3 according to colors.
The power supply of the device adopts a 12V/10A adjustable power supply and supplies power to the intelligent cabin host 5 and the USB control relay 3 in a unified way.
The PC1 is a notebook computer or desktop computer loaded with Python programming and used for controlling the on-off of the serial relay 2.
The serial port relay 2 is a single-path relay with a driver and an APP and is used for controlling the on-off of the USB control relay 3.
The USB control relay 3 is a 12V direct current relay with 4 groups of normally open contacts and 4 groups of normally closed contacts and is used for simulating the insertion and extraction of a USB; two ends of the 4 groups of normally open contacts are respectively connected with the four sub-lines in the cut-off end of the cut-off USB data line.
And the USB flash disk inserting unit 4 is a USB flash disk used for testing. The USB data line is a USB data line with a male head and a female head at two ends, the middle of the USB data line is cut off, 8 lines at the cut-off part are butted on two ends of a public contact and a normally open contact of the USB control relay 3 according to colors, a USB flash disk used for testing is inserted into one end of the female head, and the male head is inserted into a USB interface of the intelligent cabin host 5.
The intelligent cabin host 5 is an intelligent cabin controller for testing and is used for controlling the display of the control screen 6 in the automobile and communicating with the PC 1.
The central control screen 6 is a display screen of the intelligent cabin for entertainment control and vehicle control, and is used for displaying the prompt of success and failure of disk insertion in the invention. The USB data line is a general micro general data line and is used for communication and data transmission of the intelligent cabin host 5 and the PC.
As shown in fig. 2, the invention further provides an automatic testing method for USB identification of the intelligent cabin host, which comprises the following steps:
the method comprises the following steps that a USB data line with a male head and a female head is cut off in the middle, sub lines inside two cut ends are correspondingly connected to two ends of a public contact and a normally open contact of a USB control relay 3 according to colors, a USB flash disk used for testing is inserted into one end of the female head, and the male head is inserted into a USB interface of a host 5 of the intelligent cabin;
the connection and disconnection of the coil of the USB control relay 3 are controlled by the on-off of the serial port relay 2, so that the insertion and the extraction of the USB flash disk are simulated;
the intelligent cabin host 5 starts to record the screen 3 seconds before the USB control relay 3 is attracted, and finishes recording the screen 3 seconds after the USB control relay 3 is disconnected and delayed, so that the screen recording video is ensured to include a complete inserting and pulling period;
after the intelligent cabin host 5 successfully identifies the USB flash disk, software on the PC1 delays for N1 seconds according to the relevant flag bits after successful identification, and disconnects the serial port relay 2, so that the USB flash disk can be simulated to be pulled out; after delaying N2 seconds again, the software on the PC1 controls the serial port relay 2 to be sucked, so that the insertion of the simulation U disk is realized, and the next cycle is started;
after the intelligent cabin host 5 fails to identify the USB flash disk, software on the PC1 can automatically capture a screen and a log of the central control screen 6 according to the relevant flag bits after the identification fails and store the log in a file folder established in advance; after automatic screen capture and log capture are completed, delaying for N3 seconds, and disconnecting the serial port relay 2, so that the USB flash disk is simulated to be pulled out; after delaying N4 seconds again, the software on the PC1 controls the serial port relay 2 to close, so that the insertion of the simulated USB flash disk is realized, and the next cycle is started;
after the set times of tests are finished, the automatic tests are stopped; and (4) the testers statistically analyze the test results according to the output data and submit the relevant screenshots, screen recording videos and logs to research and development reference processing problems.
The delay time values N1, N2, N3, and N4 are time intervals defined by different host response time requirements. For example, N1 and N2 are 1 second, and N3 and N4 are 2 seconds.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The utility model provides an automatic testing arrangement of intelligence passenger cabin host computer USB discernment which characterized in that: the intelligent cockpit display system comprises a PC (personal computer) (1), a serial port relay (2), a USB control relay (3), a USB (universal serial bus) insertion unit (4), an intelligent cockpit host (5) and a central control screen (6), wherein the PC (1) is connected with the serial port relay (2), the serial port relay (2) is connected with the USB control relay (3), the USB control relay (3) is respectively connected with the USB insertion unit (4) and the intelligent cockpit host (5), and the intelligent cockpit host (5) is connected with the central control screen (6);
the USB control relay (3) is respectively connected with the USB flash disk insertion unit (4) and the intelligent cabin host (5) through a cut-off USB data line, and a male head and a female head are respectively arranged at two ends of the USB data line; the USB control relay comprises a USB control relay (3), a USB disk insertion unit (4) and a USB data line, wherein the female head of the truncated USB data line is inserted into the USB disk insertion unit, the male head of the truncated USB data line is inserted into an intelligent cockpit host (5), and sub-lines inside the truncated part of the truncated USB data line are respectively connected to two ends of a common contact and a normally open contact of the USB control relay (3) correspondingly according to colors.
2. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the intelligent cabin host (5) and the USB control relay (3) are connected with a 12V/10A adjustable power supply.
3. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the PC (1) is a notebook computer or desktop computer loaded with Python programming.
4. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the serial port relay (2) is a single-path relay with a driver and an APP.
5. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the USB control relay (3) is a 12V direct current relay with 4 groups of normally open contacts and 4 groups of normally closed contacts, and two ends of the 4 groups of normally open contacts are respectively connected with four sub-lines inside the cut-off part of the cut-off USB data line.
6. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the intelligent cabin host (5) is an intelligent cabin controller for testing and is used for controlling display of the central control screen (6) and communication with the PC (1).
7. The intelligent cabin host computer USB identification automatic testing device of claim 1, characterized in that: the central control screen (6) is an LED screen or an LCD screen and is used for displaying prompts of success and failure of insertion of the USB flash disk.
8. An automatic test method for USB identification of a host of an intelligent cabin is characterized by comprising the following steps:
the method comprises the following steps of cutting off the middle of a USB data line with a male head and a female head, correspondingly connecting sub-lines in the two cut-off ends to the two ends of a public contact and a normally open contact of a USB control relay (3) according to colors, inserting a USB flash disk used for testing into one end of the female head, and inserting the male head into a USB interface of an intelligent cabin host (5);
the on-off of the serial port relay (2) is utilized to control the attraction and the disconnection of a coil of the USB control relay (3), so that the insertion and the extraction of a simulated USB flash disk are realized;
the intelligent cabin host (5) starts to record the screen 3 seconds before the USB control relay (3) is attracted, and finishes recording the screen after the USB control relay (3) is disconnected and delayed for 3 seconds, so that the screen recording video is ensured to include a complete insertion and extraction period;
after the intelligent cabin host (5) successfully identifies the USB flash disk, software on the PC (1) delays for N1 seconds according to the relevant flag bit after the identification is successful, and the serial port relay (2) is disconnected, so that the USB flash disk can be simulated to be pulled out; after delaying N2 seconds again, software on the PC (1) controls the serial port relay (2) to be attracted, so that the insertion of the simulated USB flash disk is realized, and the next cycle is started;
after the intelligent cabin host (5) fails to identify the USB flash disk, software on the PC (1) can automatically capture a screen and a log of the central control screen (6) according to the relevant flag bits after the identification fails, and the log is stored in a file folder which is established in advance; after automatic screen capture and log capture are finished, delaying for N3 seconds, and disconnecting the serial port relay (2) so as to simulate the U disk to be pulled out; after delaying N4 seconds again, software on the PC (1) controls the serial port relay (2) to be attracted, so that the insertion of the simulated USB flash disk is realized, and the next cycle is started;
after the set times of tests are finished, the automatic tests are stopped; the tester counts and analyzes the test result according to the output data, and submits the related screenshot, the screen recording video and the log to research and development reference processing problems;
the delay time values N1, N2, N3 and N4 are time intervals defined according to different host response time requirements.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110173502A1 (en) * | 2010-01-08 | 2011-07-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd | Universal serial bus system and method |
| CN212411188U (en) * | 2020-07-30 | 2021-01-26 | 深圳市创视微智能技术有限公司 | Full-automatic USB hot plug tester |
| CN112291621A (en) * | 2020-10-29 | 2021-01-29 | 深圳创维－Rgb电子有限公司 | System upgrading automation test method, device and test equipment |
| CN113525088A (en) * | 2020-04-21 | 2021-10-22 | 北京新能源汽车股份有限公司 | Auxiliary instrument board assembly, detection method and vehicle with auxiliary instrument board assembly |
| CN113806208A (en) * | 2020-06-15 | 2021-12-17 | 中移(苏州)软件技术有限公司 | Test evidence obtaining method and device, equipment and storage medium |
| CN114660394A (en) * | 2022-05-25 | 2022-06-24 | 润芯微科技(江苏)有限公司 | Vehicle-mounted machine power-on and power-off testing device and testing method based on PLC |
| CN114993596A (en) * | 2022-05-05 | 2022-09-02 | 东风电子科技股份有限公司 | Test system, method, device, processor and storage medium thereof based on automatic cycle simulation intelligent cabin power supply scene |
-
2022
- 2022-10-26 CN CN202211318897.3A patent/CN115509843B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110173502A1 (en) * | 2010-01-08 | 2011-07-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd | Universal serial bus system and method |
| CN113525088A (en) * | 2020-04-21 | 2021-10-22 | 北京新能源汽车股份有限公司 | Auxiliary instrument board assembly, detection method and vehicle with auxiliary instrument board assembly |
| CN113806208A (en) * | 2020-06-15 | 2021-12-17 | 中移(苏州)软件技术有限公司 | Test evidence obtaining method and device, equipment and storage medium |
| CN212411188U (en) * | 2020-07-30 | 2021-01-26 | 深圳市创视微智能技术有限公司 | Full-automatic USB hot plug tester |
| CN112291621A (en) * | 2020-10-29 | 2021-01-29 | 深圳创维－Rgb电子有限公司 | System upgrading automation test method, device and test equipment |
| CN114993596A (en) * | 2022-05-05 | 2022-09-02 | 东风电子科技股份有限公司 | Test system, method, device, processor and storage medium thereof based on automatic cycle simulation intelligent cabin power supply scene |
| CN114660394A (en) * | 2022-05-25 | 2022-06-24 | 润芯微科技(江苏)有限公司 | Vehicle-mounted machine power-on and power-off testing device and testing method based on PLC |
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