CN220105678U - Communication interface's test instrument and electronic equipment - Google Patents

Abstract

The utility model discloses a testing tool of a communication interface and an electronic device, wherein the testing tool is applied to the electronic device and comprises the following components: the signal processing module comprises a first interface connection part and a signal test part which are connected with each other, wherein the first interface connection part is connected with a communication interface on the electronic equipment and is used for receiving a test signal sent by the communication interface and transmitting the test signal to the signal test part, and the signal test part is used for testing the received test signal; and the feedback module comprises a second interface connection part and a transmitter which are connected with each other, wherein the second interface connection part is connected with a data interface on the electronic equipment, the transmitter is connected with the signal test part and is used for receiving the test result sent by the signal test part based on the asynchronous receiving and transmitting transmission mode and sending the test result to the electronic equipment through the second interface connection part. The testing tool can comprehensively test the communication interface on the electronic equipment while reducing the use cost.

Description

A communication interface testing tool and electronic equipment

Technical field

The present application relates to the field of testing of electronic equipment, and in particular to a testing tool for communication interfaces.

Background technique

There are many types of communication interfaces on electronic equipment, such as a DP interface (Display Port, high-definition digital display interface) on a PC. In a production test environment, the communication interface needs to be tested to determine whether it can output signals normally. . Currently, the testing of communication interfaces on electronic devices usually involves the use of complex external equipment, such as high-configuration equipment such as high-bandwidth oscilloscopes to test the communication interfaces. This testing method is cumbersome and costly, and also places high technical requirements on operators.

Utility model content

The purpose of the embodiments of the present application is to provide a communication interface testing tool and electronic equipment. The testing tool can reduce the use cost and conduct a comprehensive test on the communication interface on the electronic equipment.

In order to achieve the above purpose, embodiments of the present application provide a communication interface testing tool, which is applied to electronic equipment, including:

The signal processing module includes a first interface connection part and a signal test part connected to each other, wherein the first interface connection part is connected to the communication interface on the electronic device and is used to receive the test signal sent by the communication interface, and transmit the test signal to a signal testing section, where the signal testing section is used to test the received test signal;

A feedback module includes a second interface connection part and a transmitter connected to each other, the second interface connection part is connected to the data interface on the electronic device, the transmitter is connected to the signal test part, and is used for asynchronous operation based on The transmission mode of transceiver receives the test result sent by the signal test part, and sends the test result to the electronic device through the second interface connection part.

Optionally, the test tool further includes a display module, which is connected to the signal test part and the display device of the electronic device respectively. The display module receives the test results sent by the signal test part and displays the test results. The test results are sent to the display device for display.

Optionally, the display module includes a signal conversion unit and a third interface connection part connected to each other. The signal conversion unit is connected to the signal test part and is used to perform signal conversion on the test results sent by the signal connection part. , the third interface connection part is connected to the display device, and is used to send the converted test results to the display device for display.

Optionally, the signal test part is connected to the first interface connection part through a plurality of test sub-lines, so that when the first interface connection part is connected to the communication interface, the signal test part passes all The test sub-lines respectively receive corresponding sub-signals of the test signal.

Optionally, the signal testing unit is further configured to test each of the received sub-signals and generate corresponding test results, where the test results include multiple test sub-results.

Optionally, when the communication interface is a DP interface, the test sub-line includes at least 4 image test lines.

Optionally, when the second interface connection part is a USB connection part, the transmitter is further configured to convert the received test results to USB protocol data, and convert the data into the Test results are sent to the electronic device.

Optionally, a register is provided on the transmitter, and the register is used to receive and store the test results sent by the test unit.

Optionally, a plurality of power modules are also included, and the power modules supply power to the signal processing module and the display module respectively.

An embodiment of the present application also provides an electronic device, including a communication interface testing tool as described above, where the testing tool is used to test the communication interface on the electronic device.

The test tool in the embodiment of the present application has a simple design structure and can implement comprehensive testing of the communication interface of the electronic device without the need for other additional high-cost components, providing convenience for user testing operations and improving testing efficiency.

Description of the drawings

Figure 1 is a structural block diagram of a communication interface testing tool according to an embodiment of the present application;

Figure 2 is a schematic diagram of the specific structural relationship of the test tool connected to the motherboard according to the embodiment of the present application;

Figure 3 is a flow chart of the working process of the testing tool according to the embodiment of the present application.

Explanation of reference signs

10-signal processing module, 11-first interface connection part, 12-signal test part;

20-feedback module, 21-second interface connection part, 22-transmitter;

30-display module, 31-third interface connection part, 32-signal conversion unit;

41-the first power module; 42-the second power module;

5-Motherboard;

6-Display device.

Detailed ways

Various aspects and features of the present application are described herein with reference to the accompanying drawings.

It will be understood that various modifications may be made to the embodiments claimed herein. Therefore, the above description should not be viewed as limiting, but merely as examples of embodiments. Other modifications within the scope and spirit of this application will occur to those skilled in the art.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the general description of the application given above and the detailed description of the embodiments given below, serve to explain the application. principle.

These and other features of the present application will become apparent from the following description of preferred forms of embodiments given as non-limiting examples with reference to the accompanying drawings.

It will also be understood that, although the present application has been described with reference to a few specific examples, those skilled in the art will be able to undoubtedly implement many other equivalent forms of the present application.

The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Hereinafter, specific embodiments of the present application will be described with reference to the accompanying drawings; however, it should be understood that the applied embodiments are merely examples of the present application, which can be implemented in various ways. Well-known and/or repeated functions and structures have not been described in detail to avoid obscuring the application with unnecessary or redundant detail. Therefore, specific structural and functional details claimed herein are not intended to be limiting, but merely serve as a basis and representative basis for the claims to teach one skilled in the art to variously utilize the present invention in substantially any suitable detailed structure. Apply.

This specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in further embodiments," which may refer to the same thing in accordance with the present application. or one or more of the different embodiments.

A communication interface testing tool according to the embodiment of the present application is applied to electronic equipment such as computers and household appliances. The testing tool can test the communication interface on the motherboard 5 of the electronic equipment in aspects such as design, production, and maintenance of electronic equipment. , to determine whether the communication interface meets the requirements. The communication interfaces on the motherboard 5 of the electronic device include various types of interfaces, such as DP interface (DisplayPort interface), HDMI interface (High-DefinitiMultimedia Interface), etc.

Figure 1 is a structural block diagram of a communication interface test tool according to an embodiment of the present application. As shown in Figure 1 and combined with Figure 2, the test tool includes the following components:

The signal processing module 10 includes a first interface connection part 11 and a signal test part 12 that are connected to each other. The first interface connection part 11 is connected to the communication interface on the electronic device and is used to receive the signal sent by the communication interface. test signal, and transmit the test signal to the signal test part 12, the signal test part 12 is used to test the received test signal.

Exemplarily, the signal processing module 10 is used to test the test signal sent by the communication interface on the electronic device. It includes a first interface connection part 11. The first interface connection part 11 is adapted to the communication interface as the test target, and is connected to the communication interface to perform data interaction with the communication interface, including receiving test signals sent by the communication interface. Specifically, the electronic device generates a test signal according to the test request of the communication interface, and sends the test signal to the signal test part 12 via the first interface connection part 11 through the communication interface. The signal testing section 12 performs testing operations on the received test signals. The test operation includes testing each communication sub-line of the communication interface, and/or testing the test signal transmission results, etc., thereby implementing testing of the communication interface from multiple aspects.

In one embodiment, the first interface connection part 11 and the signal test part 12 are connected through a plurality of test sub-lines. After receiving the test signal, the first interface connection part 11 sends it to the test part through multiple test sub-lines, so that the test part can test each test sub-line.

The feedback module 20 includes a second interface connection part 21 and a transmitter 22 connected to each other. The second interface connection part 21 is connected to the data interface on the electronic device. The transmitter 22 is connected to the signal test part 12 The connection is used to receive the test results sent by the signal test part 12 based on the asynchronous reception and reception transmission mode, and send the test results to the electronic device through the second interface connection part 21 .

For example, the feedback module 20 uses the test tool to test the test signal to feed back the test result to the electronic device, so that the electronic device can implement the next test step. Such as generating other test signals to test the communication interface in other aspects; prompting the user to modify the relevant hardware or software of the communication interface; or testing other components on the electronic device, etc. This achieves the effect of flexible testing at low cost.

The test tool in the embodiment of the present application has a simple design structure and can implement comprehensive testing of the communication interface of the electronic device without the need for other additional high-cost components, providing convenience for user testing operations and improving testing efficiency.

In one embodiment of the present application, as shown in Figures 1 and 2, the test tool also includes a display module 30, which is connected to the signal test part 12 and the display device 6 of the electronic device respectively. , the display module 30 receives the test results sent by the signal test part 12, and sends the test results to the display device 6 for display.

For example, the display module 30 in the test tool is connected to the signal test part 12 and the display device 6 of the electronic device respectively. Therefore, the test results sent by the test part can be received, and the test results can be sent to the display device 6 to display the test results to the user. Furthermore, users can perform subsequent testing work based on the test results.

For example, the test results displayed by the display device 6 indicate that the communication interface does not meet the test requirements. The user can clearly understand the error phenomenon of the communication interface and adjust the software and/or hardware of the communication interface.

In one embodiment, as shown in FIG. 2 , the display module 30 is connected to the signal test part 12 through multiple sub-lines, so that the test sub-results of each line in the communication interface can be obtained. And displayed through the display device 6.

In one embodiment of the present application, the display module 30 includes a signal conversion unit 32 and a third interface connection part 31 connected to each other. The signal conversion unit 32 is connected to the signal test part 12 for performing signal connection. The third interface connection part 31 is connected to the display device 6 and is used to send the converted test results to the display device 6 for display.

For example, the signal conversion unit 32 of the display module 30 is connected to the signal testing part 12 so that the test results can be received from the signal testing part 12 . For example, the signal conversion unit 32 is connected to the signal test part 12 through multiple sub-lines, so that the test sub-results of each line in the communication interface can be obtained. In one embodiment, the signal conversion unit 32 can convert the test results sent by the signal test part 12 to the communication protocol, so that the converted test results can be adapted to the display device 6, so that the display device 6 can be based on its The communication protocol with the display module 30 effectively displays the test results.

Taking FIG. 2 as an example, the communication interface of the electronic device is a DP interface, the communication between the DP interface and the signal processing module 10 is based on the DP protocol, and the third interface connection part 31 communicates with the display device 6 based on the VGA protocol. In order to effectively display the test signal on the display device 6 , the signal conversion unit 32 may convert the communication protocol of the test result from the DP protocol to the VGA protocol. After the converted test results are sent to the display device 6 through the third interface connection part 31, they can be effectively displayed on the display device 6.

In one embodiment of the present application, the signal test part 12 is connected to the first interface connection part 11 through a plurality of test sub-lines, so that when the first interface connection part 11 is connected to the communication interface , the signal test part 12 receives the corresponding sub-signals of the test signal through the test sub-lines.

For example, the signal test part 12 will construct corresponding multiple test sub-lines according to the type of the communication interface, so that the signal test part 12 can adapt to the communication interface. For example, when the communication interface is a DP interface, the first interface connection part 11 is connected to the communication interface, and the test sub-lines between the first interface connection part 11 and the signal test part 12 are respectively: HPD test sub-line, AUX Test sub-line, lane0 test sub-line, lane1 test sub-line, lane2 test sub-line, lane3 test sub-line. The signal test part 12 receives the corresponding sub-signals of the test signal based on the above-mentioned test sub-lines. In this way, each test line of the DP interface can be tested to achieve a comprehensive test of the communication interface.

In one embodiment of the present application, the signal testing part 12 is further configured to test each of the received sub-signals and generate corresponding test results, where the test results include multiple test sub-results.

Referring to FIG. 2 as an example, the signal test part 12 is connected to the first interface connection part 11 through a plurality of test sub-lines, receives test signals, and then tests the test signals. Specifically, it includes testing the test signal through multiple test sub-lines to obtain multiple test sub-results. Combined with the above embodiment, the test sub-lines are: HPD test sub-line, AUX test sub-line, lane0 test sub-line, lane1 test sub-line, lane2 test sub-line and lane3 test sub-line. The signal test part 12 receives the corresponding sub-signals of the test signal based on the above-mentioned test sub-lines, thereby testing each sub-signal and obtaining a plurality of test sub-results. Test results are obtained based on multiple test sub-results.

In an embodiment of the present application, when the communication interface is a DP interface, the test sub-line includes at least 4 image test lines.

Continuing with the example of FIG. 2 , when the communication interface is a DP interface, the DP interface can be used to transmit video and audio. Correspondingly, the test sub-circuit between the signal test part 12 and the first interface connection part 11 includes: lane0 image test circuit, lane1 image test circuit, lane2 image test circuit and lane3 image test circuit. The above image test lines can be used to receive the video and audio (test signals) transmitted by the DP interface for testing, so that the signal test part 12 can test the test signals based on the above four image test lines.

In one embodiment of the present application, when the second interface connection part 21 is a USB connection part, the transmitter 22 is further configured to convert the received test results into USB protocol data, and The test results after data conversion are sent to the electronic device.

Exemplarily, the transmitter 22 of the feedback module 20 receives the test result sent by the signal test part 12 based on the asynchronous reception and reception transmission mode, and sends the test result to the electronic device through the second interface connection part 21 . Among them, Universal Asynchronous Receiver/Transmitter (UART) is a universal serial data bus used for asynchronous communication. The bus communicates bidirectionally and can achieve full-duplex transmission and reception.

The second interface connection part 21 is connected to the data interface on the electronic device. When the data interface is a USB interface, the second interface connection part 21 is a USB connection part and can perform data exchange with the USB interface. The USB connection part is connected to the transmitter 22, and the transmitter 22 can convert the received test results into the communication protocol, and convert the asynchronous reception and reception (UART) transmission mode into the USB transmission mode. Thus, the electronic device receives the test results through its USB interface.

In one embodiment of the present application, the transmitter 22 is provided with a register, and the register is used to receive and store the test results sent by the test part.

For example, the register provided on the transmitter 22 can store the test results. When the test results are sent to the electronic device, the test results can be called from the register and then sent.

Figure 3 is a flow chart of the working process of the test tool according to the embodiment of the present application. Taken together with Figure 3 as an example, when the employee test tool is used to test the communication interface on the motherboard, the motherboard 5 of the electronic device reads the register through the transmitter 22 test results stored in . The test results include LANEx4_NO_ERROR. LANEx4_NO_ERROR contains the test sub-results corresponding to the four image test lines. If the data corresponding to the test sub-results are all 0x80h, it means that the four image test lines have passed the test. The test results also include LANE_COUNT_SET. LANE_COUNT_SET indicates the number of DP Lanes (test sub-lines) set. Currently, the number corresponding to motherboard 5 is 4lane, and the corresponding value is 0x04h. The test results also include LANEx_y_STATUS. LANEx_y_STATUS indicates the status of each test sub-line (lane) (01 is a group, 23 is a group). A value of 0x77h indicates that the test sub-line (lane) status is normal. If each of the above test sub-results meets the requirements, it means that the DP interface on the motherboard 5 has passed the test, and the result of the passed test is displayed in the automated test interface on the display device 6 (such as a monitor).

In one embodiment of the present application, a plurality of power modules are also included, and the power modules supply power to the signal processing module 10 and the display module 30 respectively.

For example, the test tool has one or more power modules, and the signal processing module 10 and the display module 30 have corresponding power modules to supply power to them. For example, the test tool includes a first power module 41 and a second power module 42 , where the first power module 41 is connected to the signal processing module 10 to provide power to the signal processing module 10 . The second power module 42 is connected to the display module 30 to provide power to the display module 30 .

In one embodiment, the power module is connected to the feedback module 20, and the second interface connection part 21 (such as a USB connection part) in the feedback module 20 obtains power through a data interface (such as a USB interface) of the electronic device, and then transmits the power to Power module. The power module supplies power to the signal processing module 10 and the display module 30, which is convenient for users to use.

An embodiment of the present application also provides an electronic device, including the above-mentioned communication interface testing tool. The testing tool is used to test the communication interface on the electronic device. Electronic devices can be computers, home appliances, and other devices. The testing tool can test the communication interface on the mainboard 5 of the electronic device, such as testing the DP interface on the mainboard 5 .

The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this application within the essence and protection scope of this application, and such modifications or equivalent substitutions should also be deemed to fall within the protection scope of this application.

Claims (10)

1. A test tool for a communication interface, for use with an electronic device, comprising:

the signal processing module comprises a first interface connection part and a signal test part which are connected with each other, wherein the first interface connection part is connected with a communication interface on the electronic equipment and is used for receiving a test signal sent by the communication interface and transmitting the test signal to the signal test part, and the signal test part is used for testing the received test signal;

the feedback module comprises a second interface connection part and a transmitter which are connected with each other, wherein the second interface connection part is connected with a data interface on the electronic equipment, the transmitter is connected with the signal test part and is used for receiving a test result sent by the signal test part based on a transmission mode of asynchronous receiving and transmitting, and sending the test result to the electronic equipment through the second interface connection part.

2. The test tool of a communication interface according to claim 1, further comprising a display module, wherein the display module is connected to the signal test part and a display device of the electronic device, respectively, and the display module receives the test result sent by the signal test part and sends the test result to the display device for display.

3. The communication interface testing tool according to claim 2, wherein the display module includes a signal conversion unit and a third interface connection part, which are connected to each other, the signal conversion unit is connected to the signal testing part, and is used for performing signal conversion on the test result sent by the signal connection part, and the third interface connection part is connected to the display device, and is used for sending the converted test result to the display device, and displaying the test result.

4. The communication interface testing tool according to claim 1, wherein the signal testing section is connected to the first interface connection section through a plurality of test sub-lines, so that when the first interface connection section is connected to the communication interface, the signal testing section receives the sub-signals of the corresponding test signals through the test sub-lines, respectively.

5. The communication interface testing tool of claim 4, wherein the signal testing section is further configured to test each of the received sub-signals and generate a corresponding test result, wherein the test result includes a plurality of test sub-results.

6. The communication interface testing tool of claim 5, wherein when the communication interface is a DP interface, the testing sub-line comprises at least 4 image testing lines.

7. The tool for testing a communication interface according to claim 1, wherein when the second interface connection is a USB connection, the transmitter is further configured to perform data conversion of a USB protocol on the received test result, and send the test result after the data conversion to the electronic device.

8. The test tool of a communication interface according to claim 1, wherein a register is provided on the transmitter, the register being configured to receive and store the test result sent by the test section.

9. The communication interface testing tool of claim 2, further comprising a plurality of power modules that respectively power the signal processing module and the display module.

10. An electronic device comprising a testing tool for a communication interface according to any of claims 1 to 9, the testing tool being adapted to test the communication interface on the electronic device.