CN112445664B - Interface testing device for notebook computer - Google Patents
Interface testing device for notebook computer Download PDFInfo
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- CN112445664B CN112445664B CN202011294778.XA CN202011294778A CN112445664B CN 112445664 B CN112445664 B CN 112445664B CN 202011294778 A CN202011294778 A CN 202011294778A CN 112445664 B CN112445664 B CN 112445664B
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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
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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
- G06F11/2273—Test methods
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Abstract
The embodiment of the invention discloses an interface testing device for a notebook computer, which comprises a control module, an HDMI interface testing module, a USB testing module and a Type-c function testing module, wherein the HDMI interface testing module, the USB testing module and the Type-c function testing module are connected with the control module; the testing device can effectively test all interfaces of the notebook computer without using extra device equipment, achieves the effect of saving materials, utilizes the control module to receive the testing information of the HDMI interface testing module, the USB testing module and the Type-c functional testing module, can play the role of visualizing the testing result, does not need to artificially check the display effect of the external display, avoids subjective judgment of the display effect, enhances the testing coverage rate, has high testing efficiency and low labor cost, and brings great benefits to the production and operation of enterprises.
Description
Technical Field
The invention relates to the technical field of interface testing, in particular to an interface testing device for a notebook computer.
Background
In the prior art, the notebook computer interface includes high definition multimedia interfaces HDMI, USB, type-C, and the like. In the production of notebook computers, the transmission effect of the notebook computer interface needs to be tested, but the current testing means have the following defects:
1. Because the coupling between the U disk working mode and the operating system is too large, the test is not stable enough in the mode, the system is easy to die in a fake way, and the productivity is influenced; and 2. The service life of the USB flash disk is limited, and the writing speed of most USB flash disks is too slow to evaluate the stability of a computer USB interface under the condition of full speed, and the high-end USB flash disk is high in price (the reading and writing service life is limited).
2. The current test of the HDMI interface of the notebook computer is not strict enough, namely, the level of the HDMI signal line is read to judge whether the HDMI signal line is normal or not, which is not a functional test in the true sense, and has a larger false detection risk.
3. The test board card of the type-c interface of the notebook computer is not strong enough, for example, USB3.1 gen2 speed is not supported, DP function test is not supported, and the like.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
In order to meet the requirements, the invention aims to provide an interface testing device for a notebook computer, which aims to test all interfaces of the notebook computer, and reduce actions of operators in the testing process on the premise of ensuring the stability and the accuracy of the test of the notebook computer, thereby reducing labor cost and improving production efficiency.
The embodiment of the application provides an interface testing device for a notebook computer, which comprises a control module, an HDMI interface testing module, a USB testing module and a Type-c function testing module, wherein the HDMI interface testing module, the USB testing module and the Type-c function testing module are connected with the control module;
The HDMI interface test module comprises an MCU, at least two HDMI signal input ends; the two paths of HDMI signal input ends comprise FPGA field programmable logic devices which are used for being connected with the MCU, the FPGA field programmable logic devices are connected with serial data transmission chips, and the serial data transmission chips are connected with memories; the MCU is connected with a video interface chip, an audio interface chip and a power supply chip;
The USB test module comprises a main control chip, a USB connector, a power supply circuit, a crystal oscillator and a storage module; the USB connector is connected with a USB interface of the notebook computer through a high-speed seven-port hub controller and a digital-to-analog converter; the crystal oscillator is connected with the USB connector and is used for providing working oscillation frequency for the main control chip.
In one possible implementation, the Type-c function test module includes a Type-c connector, a read-write rate tester, a PD charge tester, and a DP display function tester.
In one possible implementation, the MCU is model STM32F407ZET6LQFP-144.
In one possible embodiment, the memory is of the type MT47H64M16HR/FBGA-84, and the memory has a matching resistor connected thereto, the matching resistor being disposed in a location near the memory.
In one possible embodiment, the serial data transmission chip is of the type FT232H LQFP48.
In one possible implementation manner, the models of the video interface chip and the audio interface chip are all ADV7619KSVZ.
In one possible implementation manner, the serial data transmission chip of FT232HL LQFP48 type is connected with the USB connector, and the serial data transmission chip of FT232HL LQFP48 type is connected with the main control chip.
In one possible implementation, the master control chip is STM32F103RCT6LQFP-64.
In one possible implementation, the high speed seven port hub controller is model number FE2.1LQFP-48.
In one possible implementation, the USB test module further includes a chip in communication with the PC, the chip in communication with the PC being of the type FT232R TSSOP-28.
Compared with the prior art, the application has the beneficial effects that: by adopting the testing device, each interface of the notebook computer can be effectively tested without using extra device equipment, the effect of saving materials is achieved, the control module is used for receiving the testing information of the HDMI interface testing module, the USB testing module and the Type-c function testing module, the effect of visualizing the testing result can be achieved, the display effect of an external display is not required to be checked artificially, subjective judgment of the display effect is avoided, the testing coverage rate is enhanced, the testing efficiency is high, the labor cost is low, and great benefits are brought to the production and operation of enterprises. The board card adopting the HDMI interface test module can support 2 paths of HDMI input, so that the cost can be reduced, the real function test is achieved, the false detection rate is 0 under the theoretical condition, the risks of false detection and customer complaint are greatly reduced, the display of higher specification can be realized, and the 30Hz refresh rate under the 4K resolution is supported. Because the device comprises a USB2.0 communication test, a read-write rate test of USB3.1 (gen 1 and gen 2), a PD charging test and a DP display function test, the test supporting the USB3.1 gen2 rate is achieved; the DP test adopts a mode of collecting RGB pixels, so that the test result of the device is real and reliable, the DP audio test can be supported, and the device has good expansibility. Because a flash memory chip is not needed, the theoretical service life is far longer than that of a U disk mode; the built-in USB chip of the device has small coupling with an operating system, is much higher than the testing stability of the USB flash disk, achieves the purpose that one board card can test the functions of USB2.0 and USB3.0 at the same time, saves testing time and brings convenience for users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit connection diagram of an HDMI interface test module of an interface test device for a notebook computer and a USB interface of the notebook computer according to an embodiment of the present application;
fig. 2 is a schematic diagram of a memory chip included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 3 is a schematic diagram of an FPGA field programmable logic device included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 4 is a schematic diagram of a power supply circuit included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
Fig. 5 is a schematic circuit diagram of a video/audio interface chip and a power chip included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 6 is a schematic diagram of a power supply circuit included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 7 is a schematic circuit diagram of an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 8 is a schematic circuit diagram of another portion of an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
Fig. 9 is a schematic diagram of a PC serial port verification circuit included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
Fig. 10 is a schematic diagram of a USB port power supply circuit connected by an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 11 is a schematic diagram illustrating a circuit connection between a USB test module of an interface test device for a notebook computer and a USB interface of the notebook computer according to an embodiment of the present application;
FIG. 12 is a schematic diagram illustrating a bridge circuit connection of a USB test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 13 is a schematic diagram illustrating a circuit connection of a high-speed seven-port hub controller of a USB test module of an interface test device for a notebook computer according to an embodiment of the present application;
Fig. 14 is a schematic circuit connection diagram of a main control chip of a USB test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 15 is a schematic diagram showing a connection of a power circuit of a USB test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 16 is a schematic circuit connection diagram of a Type-c function test module of an interface test device for a notebook computer for connection with the notebook computer according to an embodiment of the present application;
FIG. 17 is a schematic diagram illustrating the connection of memory circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 18 is a schematic diagram illustrating a power connection of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 19 is a schematic diagram showing the connection of MCU circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application;
FIG. 20 is a schematic diagram illustrating connection of interface circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application;
fig. 21 is a schematic diagram illustrating connection of a driving switch circuit of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application;
Fig. 22 is a schematic diagram illustrating a chip circuit connection between a Type-c function test module and a PC of an interface test device for a notebook computer according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-22, fig. 1 is a schematic circuit connection diagram of an HDMI interface test module of an interface test device for a notebook computer and a USB interface of a notebook computer according to an embodiment of the present application, fig. 2 is a schematic circuit diagram of a memory chip included in the HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 3 is a schematic circuit diagram of an FPGA field programmable logic device included in the HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 4 is a schematic circuit diagram of a power supply included in the HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, Fig. 5 is a schematic circuit diagram of a video/audio interface chip and a power supply chip included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 6 is a schematic circuit diagram of a power supply circuit included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 7 is a schematic circuit diagram of an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 8 is another schematic circuit diagram of an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 9 is a schematic diagram of a PC serial port verification circuit included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 10 is a schematic diagram of a USB port power supply circuit connected by an MCU included in an HDMI interface test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 11 is a schematic diagram of a circuit connection between a USB test module of an interface test device for a notebook computer and a USB interface of a notebook computer according to an embodiment of the present application, fig. 12 is a schematic diagram of a bridge circuit connection between a USB test module of an interface test device for a notebook computer according to an embodiment of the present application, Fig. 13 is a circuit connection schematic diagram of a high-speed seven-port hub controller of a USB test module of an interface test device for a notebook computer according to an embodiment of the present application, fig. 14 is a circuit connection schematic diagram of a main control chip of the USB test module of the interface test device for a notebook computer according to an embodiment of the present application, and fig. 15 is a power circuit connection schematic diagram of the USB test module of the interface test device for a notebook computer according to an embodiment of the present application. Fig. 16 is a schematic circuit connection diagram of a main control chip for connecting with a notebook computer, which is provided by an embodiment of the application, of a Type-c function test module of an interface test device for a notebook computer; FIG. 17 is a schematic diagram illustrating the connection of memory circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application; FIG. 18 is a schematic diagram illustrating a power connection of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application; FIG. 19 is a schematic diagram showing the connection of MCU circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application; FIG. 20 is a schematic diagram illustrating connection of interface circuits of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application; fig. 21 is a schematic diagram illustrating connection of a driving switch circuit of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application; fig. 22 is a schematic diagram illustrating connection of a driving switch circuit of a Type-c function test module of an interface test device for a notebook computer according to an embodiment of the present application.
The embodiment of the application provides an interface testing device for a notebook computer, which comprises a control module, an HDMI interface testing module, a USB testing module and a Type-c function testing module, wherein the HDMI interface testing module, the USB testing module and the Type-c function testing module are connected with the control module; the control module can be used for receiving the test information of the HDMI interface test module, the USB test module and the Type-c function test module, the visual effect of the test result can be achieved, the display effect of the external display is not required to be checked artificially, subjective judgment of the display effect is avoided, and the test coverage rate is enhanced.
In an embodiment, the HDMI interface test module includes an MCU, at least two HDMI signal inputs; the two paths of HDMI signal input ends comprise FPGA field programmable logic devices which are connected with the MCU, the FPGA field programmable logic devices are connected with serial data transmission chips, and the serial data transmission chips are connected with memories. The MCU is connected with a video interface chip, an audio interface chip and a power supply chip; as shown, the model of the MCU is STM32F407ZET6 LQFP-144. The model of the memory is MT47H64M16HR/FBGA-84, and the matching resistor is connected with the memory and is arranged at a position close to the memory. The serial data transmission chip is FT232H LQFP48, wherein serial communication is one of computer communication modes, the serial data transmission chip has the characteristics of few transmission lines and low cost, and the types of the video interface chip and the audio interface chip are ADV7619KSVZ.
The board card adopting the HDMI interface test module can support 2 paths of HDMI input, so that the cost can be reduced, the real function test is achieved, the false detection rate is 0 under the theoretical condition, the risks of false detection and custom complaints are greatly reduced, the display of higher specification can be realized, and the 30Hz refresh rate under the 4K resolution is supported. The test principle can be as follows:
1. the test device supports 2 paths of HDMI input;
2. Uploading data to a PC through a USB interface to judge pass/fail;
3. The board card supports the video specification of 4K 30Hz at the highest and is downward compatible;
4. video and audio tests supporting HDMI;
5. the real function test, the Video test will collect the RGB value of the image outputted by the HDMI interface of the notebook computer, and the audio will collect the sound actually played.
The USB test module comprises a main control chip, a USB connector, a power supply circuit, a crystal oscillator and a storage module; the USB connector is connected with a USB interface of the notebook computer through a high-speed seven-port hub controller and a digital-to-analog converter; the crystal oscillator is connected with the USB connector and is used for providing working oscillation frequency for the main control chip.
In an embodiment, the Type-c function test module includes a Type-c connector, a read-write rate tester, a PD charge tester, and a DP display function tester. Specifically, referring to the schematic circuit connection diagrams shown in fig. 16-22, in order to implement Type-c function test on a notebook computer, the Type-c function test module should include several devices as shown, such as a main control chip connected to the notebook computer, an mcu for implementing logic control between modules, a memory, a power circuit, a driving circuit, and several interface circuits.
In some embodiments, the type-c connector is used for connecting a notebook computer, the test device is matched with an upper computer program (to be run on the notebook computer to be tested) to complete the test of the type-c function, and as the device comprises a USB2.0 communication test, a read-write rate test of USB3.1 (gen 1 and gen 2), a PD charging test and a DP display function test, the test supporting the USB3.1 gen2 rate is achieved; the DP test adopts a mode of collecting RGB pixels, so that the test result of the device is real and reliable, the DP audio test can be supported, and the device has good expansibility.
In an embodiment, the USB connector is connected with a FT232HL LQFP48 serial data transmission chip, and the FT232HL LQFP48 serial data transmission chip is connected with the main control chip. The model of the main control chip is STM32F103RCT6 LQFP-64. The model of the high-speed seven-port hub controller is FE2.1 LQFP-48, the USB test module further comprises a chip communicated with a PC, the model of the chip communicated with the PC is FT232R TSSOP-28, wherein the digital-to-analog converter comprises a weight resistor network, an operational amplifier, a reference power supply and an analog switch, and in the embodiment, the analog-to-digital converter is a device for converting continuous analog signals into discrete digital signals so as to facilitate processing of a main control chip.
In this embodiment, the test may be implemented using the following steps:
The USB 3.0 wire is connected with the notebook computer;
2. testing the functions of USB2.0 and USB 3.0 by matching with a host computer program;
And 3, controlling the reading and writing speed of the USB 2.0 at 30-40MB/s and controlling the reading and writing speed of the USB 3.0 at 180MB/s.
By adopting the means, the theoretical service life is far longer than that of a U disk mode because a flash memory chip is not needed; the built-in USB chip of the device has small coupling with an operating system, is much higher than the testing stability of the USB flash disk, achieves the purpose that one board card can test the functions of USB2.0 and USB3.0 at the same time, saves testing time and brings convenience for users.
It should be noted that, as a person skilled in the art can clearly understand the specific implementation process of the electronic module, reference may be made to the corresponding description in the foregoing method embodiment, and for convenience and brevity of description, the circuit control diagrams in fig. 1 to 15 are common general knowledge of a person skilled in the art, and are not repeated herein.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The interface testing device for the notebook computer is characterized by comprising a control module, an HDMI interface testing module, a USB testing module and a Type-c function testing module, wherein the HDMI interface testing module, the USB testing module and the Type-c function testing module are connected with the control module;
The HDMI interface test module comprises an MCU, at least two HDMI signal input ends; the two paths of HDMI signal input ends comprise FPGA field programmable logic devices which are used for being connected with the MCU, the FPGA field programmable logic devices are connected with serial data transmission chips, and the serial data transmission chips are connected with memories; the MCU is connected with a video interface chip, an audio interface chip and a power supply chip;
the USB test module comprises a main control chip, a USB connector, a power supply circuit, a crystal oscillator and a storage module; the USB connector is connected with a USB interface of the notebook computer through a high-speed seven-port hub controller and a digital-to-analog converter; the crystal oscillator is connected with the USB connector and is used for providing working oscillation frequency for the main control chip;
the test principle of the HDMI interface test module is as follows:
1) The testing device supports 2 paths of HDMI input;
2) Uploading data to a PC through a USB interface to judge pass/fail;
3) The board card supports the video specification of 4K 30Hz at the highest and is compatible downwards;
4) Video and audio tests supporting HDMI;
5) The real function test, the Video test will collect the RGB value of the picture that the HDMI interface of the notebook computer outputs, the audio will collect the sound that is actually broadcast;
The USB connector is connected with a FT232HL LQFP48 serial data transmission chip, and the FT232HL LQFP48 serial data transmission chip is connected with the main control chip; the model of the main control chip is STM32F103RCT6 LQFP-64; the model of the high-speed seven-port hub controller is FE2.1 LQFP-48, the USB test module further comprises a chip communicated with a PC, the model of the chip communicated with the PC is FT232R TSSOP-28, the digital-to-analog converter comprises a weight resistor network, an operational amplifier, a reference power supply and an analog switch, and the analog-to-digital converter is a device for converting continuous analog signals into discrete digital signals; the test is realized by adopting the following steps:
s1, connecting a USB 3.0 wire with a notebook computer;
s2, testing functions of USB2.0 and USB 3.0 by matching with an upper computer program;
S3, controlling the reading and writing speed of the USB 2.0 at 30-40MB/s and controlling the reading and writing speed of the USB 3.0 at 180MB/s;
The Type-c function test module comprises a Type-c connector, a read-write rate tester, a PD charging tester and a DP display function tester.
2. The interface test device for a notebook computer according to claim 1, wherein the MCU is STM32F407ZET6 LQFP-144.
3. The interface test device for a notebook computer according to claim 1, wherein the memory is of a type MT47H64M16HR/FBGA-84, and the memory is connected with a matching resistor, and the matching resistor is arranged at a position close to the memory.
4. The interface test device for a notebook computer according to claim 1, wherein the serial data transmission chip is of a type FT232H LQFP48.
5. The interface test device for a notebook computer according to claim 1, wherein the video interface chip and the audio interface chip are each of the type ADV7619KSVZ.
6. The interface test device for a notebook computer according to claim 1, wherein the USB connector is connected to a serial data transmission chip of FT232HL LQFP48 model, and the serial data transmission chip of FT232HL LQFP48 model is connected to a main control chip.
7. The interface test device for a notebook computer according to claim 1, wherein the model of the main control chip is STM32F103RCT6 LQFP-64.
8. The interface test device for a notebook computer according to claim 1, wherein the model of the high-speed seven-port hub controller is FE2.1 LQFP-48.
9. The interface test device for a notebook computer according to claim 1, wherein the USB test module further comprises a chip in communication with a PC, and the chip in communication with the PC is of a model FT232R TSSOP-28.
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| CN109918328A (en) * | 2019-02-28 | 2019-06-21 | 山东超越数控电子股份有限公司 | A kind of USB Type C interface is realized with a low cost structure and implementation method |
| CN111176922A (en) * | 2020-01-02 | 2020-05-19 | 深圳市和宏实业股份有限公司 | Docking station test device, test system and test method |
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| CN102736014A (en) * | 2011-04-15 | 2012-10-17 | 鸿富锦精密工业（深圳）有限公司 | Usb interface testing device |
| US10268627B2 (en) * | 2016-08-23 | 2019-04-23 | Dell Products L.P. | Automatically configuring a universal serial bus (USB) type-C port of a computing device |
| CN109669831B (en) * | 2018-12-26 | 2022-05-17 | 无锡睿勤科技有限公司 | Test method and electronic equipment |
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| CN109918328A (en) * | 2019-02-28 | 2019-06-21 | 山东超越数控电子股份有限公司 | A kind of USB Type C interface is realized with a low cost structure and implementation method |
| CN111176922A (en) * | 2020-01-02 | 2020-05-19 | 深圳市和宏实业股份有限公司 | Docking station test device, test system and test method |
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