CN115480145A - Test control system and use method thereof - Google Patents

Test control system and use method thereof Download PDF

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Publication number
CN115480145A
CN115480145A CN202110661255.2A CN202110661255A CN115480145A CN 115480145 A CN115480145 A CN 115480145A CN 202110661255 A CN202110661255 A CN 202110661255A CN 115480145 A CN115480145 A CN 115480145A
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CN
China
Prior art keywords
module
test
unit
signal connection
control system
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Pending
Application number
CN202110661255.2A
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Chinese (zh)
Inventor
曹佶
梅山赛
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Zhejiang Hangke Instrument Co ltd
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Zhejiang Hangke Instrument Co ltd
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Priority to CN202110661255.2A priority Critical patent/CN115480145A/en
Publication of CN115480145A publication Critical patent/CN115480145A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851—Testing of integrated circuits [IC]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

The invention discloses a test control system, which comprises a main module, a network communication module, an instruction generation module, a function control module and an identification encryption module for identifying or encrypting hardware through testing hardware ID (identity), wherein the instruction generation module, the identification encryption module, the main module and the function control module are respectively in signal connection with the network communication module, the function control module is in signal connection with the instruction generation module, the main module comprises an initialization unit and a process scheduling unit which are in signal connection with each other, and the initialization unit is in signal connection with the network communication module. The application method of the test control system is further disclosed. Which facilitates maintenance of the testing device.

Description

Test control system and use method thereof
Technical Field
The invention relates to the technical field of chip testing, in particular to a test control system and a using method thereof.
Background
As the demand of chips in the market is increasing, the testing of chips is becoming more and more popular, and when testing a large number of chips, the chips are generally tested by a testing apparatus in order to efficiently test the chips.
The testing device generally comprises a plurality of testing hardware (such as a driving board, an aging board and the like), the testing hardware is mainly controlled by an upper computer in the market at present, large-capacity software needs to be edited, the whole large-capacity software needs to be maintained every time a problem occurs, and the testing device is not beneficial to maintenance.
Disclosure of Invention
In order to overcome the disadvantages of the prior art, it is an object of the present invention to provide a test control system which facilitates maintenance of a test apparatus;
the second objective of the present invention is to provide a method for using the test control system.
One of the purposes of the invention is realized by adopting the following technical scheme:
a test control system comprises a main module, a network communication module, an instruction generation module, a function control module and an identification encryption module for identifying or encrypting hardware through testing hardware ID, wherein the instruction generation module, the identification encryption module, the main module and the function control module are respectively in signal connection with the network communication module, the function control module is in signal connection with the instruction generation module, the main module comprises an initialization unit and a process scheduling unit which are in signal connection with each other, and the initialization unit is in signal connection with the network communication module.
Preferably, the identification encryption module comprises an encryption unit, a matching unit and an identification unit, the encryption unit and the matching unit are respectively in signal connection with the identification unit, and the identification unit is in signal connection with the network communication module.
Preferably, test control system still includes ADC module, DAC module and power control module, the ADC module the DAC module with power control module equallys divide do not with function control module signal connection, the ADC module the DAC module equallys divide do not with network communication module signal connection.
Preferably, the ADC module comprises an a/D converter and the DAC module comprises a D/a converter.
Preferably, the function control module comprises a flow control unit and a data monitoring unit which are connected through signals, the data monitoring unit is connected with the network communication unit through signals, and the ADC module, the DAC module and the power control module are respectively connected with the flow control unit through signals.
Preferably, the network communication module comprises a TCP/IP unit which is used for being in signal connection with a plurality of test hardware, the instruction generation module is an upper computer, and the upper computer, the function control module and the initialization unit are in signal connection with the TCP/IP unit.
Preferably, the test control system further comprises an OTA upgrade module, and the OTA upgrade module is in signal connection with the instruction generation module.
The second purpose of the invention is realized by adopting the following technical scheme:
a use method of the test control system comprises the following steps:
step A, the instruction generation module sends a data packet according to the ID of the test hardware, tests whether communication is established, and enters the next step if the communication is established successfully; if the communication is not established successfully, the test control system is overhauled and debugged until the communication is established successfully;
b, the main module generates a process scheduling table after initializing and configuring the test hardware and transmits the process scheduling table to the network communication module;
step C, after the identification encryption module identifies the test hardware through the process scheduling table, the network communication module transmits the process scheduling table to an instruction generation module, and the instruction generation module generates a corresponding test instruction according to the process scheduling table;
and D, the instruction generation module transmits a test instruction to the function control module, and the function control module controls corresponding test hardware through the test instruction.
Furthermore, the use method also comprises a step E, wherein the function control module samples test feedback information of the test hardware and transmits the test feedback information to the instruction generation module for analysis.
Further, in the step C, matching software is provided in the identification encryption module, and the matching software matches the ID of the test hardware with the initialization ID in the process scheduling table: if the match is successful, the test hardware is successfully identified, otherwise the test hardware is unsuccessfully identified.
Compared with the prior art, the invention has the beneficial effects that:
the test control system initializes the test hardware by utilizing the main module and the network communication module to generate a process scheduling table, the instruction generating module generates a corresponding test instruction through the process scheduling table, and the function control module controls the corresponding test hardware through the test instruction.
The test control system does not need large-capacity software to control the test device, realizes modular control, can analyze the reason of the fault of the test hardware, and is beneficial to maintaining the test device.
Drawings
FIG. 1 is a block diagram of one embodiment of a test control system according to the present invention;
FIG. 2 is a reference diagram of the usage status of the test control system of the present invention;
FIG. 3 is a block diagram of another embodiment of a test control system according to the present invention;
FIG. 4 is a block diagram of a main module according to the present invention;
FIG. 5 is a block diagram of an identification encryption module according to the present invention;
FIG. 6 is a block diagram of a function control module according to the present invention;
FIG. 7 is a flow chart of a method of using the test control system of the present invention.
FIG. 8 is a block diagram of a process schedule according to the present invention.
Detailed Description
So that the manner in which the features and advantages of the invention are attained and can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1 to 4, the present application discloses a test control system, which includes a main module, a network communication module, an instruction generation module, a function control module, and an identification encryption module for identifying or encrypting hardware by testing hardware ID, wherein the instruction generation module, the identification encryption module, the main module, and the function control module are respectively in signal connection with the network communication module, the function control module is in signal connection with the instruction generation module, the main module includes an initialization unit and a process scheduling unit that are in signal connection with each other, and the initialization unit is in signal connection with the network communication module.
In the foregoing embodiment, the initialization unit in the main module of the test control system initializes the test hardware through the network communication module to generate a process scheduling table, the instruction generation module generates a corresponding test instruction through the process scheduling table, the function control module controls the corresponding test hardware through the test instruction, and the function control module can return a test feedback signal to the instruction generation module for analysis. The initialization is to assign a variable to a default value, set a control to a default state, and prepare an unavailable program.
As shown in fig. 2, the testing apparatus may include a plurality of testing hardware, where the testing hardware may be a driver board or an burn-in board, the testing control system is in signal connection with the information interface on the driver board, and the driver board generates a testing signal to the burn-in board according to a control instruction sent by the testing control system, so as to test a to-be-tested object (generally, a chip) on the burn-in board.
The test control system can control the test device without large-capacity software, and the module is maintained when the module is broken, and the instruction generation module can analyze the test feedback signal returned by the function control module, so that the reason of the fault of the test hardware can be analyzed, and the test device is favorably maintained. Of course, each module in the test control system can be replaced by software, so that the cost is reduced.
In a preferred embodiment, as shown in fig. 3, the test control system further includes an ADC module, a DAC module, and a power control module, wherein the ADC module, the DAC module, and the power control module are respectively in signal connection with the function control module, and the ADC module and the DAC module are respectively in signal connection with the network communication module. The ADC module includes an A/D converter and the DAC module includes a D/A converter. The test control system also comprises an OTA upgrading module which is in signal connection with the instruction generating module.
In the above embodiment, the D/a converter can convert digital quantity into analog quantity, for example, convert control command (digital quantity) into primary test signal (analog quantity) that is easy to read by test hardware to test the object to be tested; the a/D converter can convert analog quantities into digital quantities, for example, to convert the tested feedback signals (analog quantities) into test data (digital quantities) that the command generating module can easily analyze. Therefore, the ADC module and the DAC module improve the efficiency of information transmission. The OTA upgrading module is mainly used for upgrading and setting software in the test control system, and the software in the test control system can be upgraded and set by connecting mobile phone software with the OTA upgrading module.
In a preferred embodiment, as shown in fig. 5-6, the identification encryption module comprises an encryption unit, a matching unit and an identification unit, wherein the encryption unit and the matching unit are respectively connected with the identification unit through signals, and the identification unit is connected with the network communication module through signals. The function control module comprises a flow control unit and a data monitoring unit which are in signal connection with each other, the data monitoring unit is in signal connection with the network communication unit, and the ADC module, the DAC module and the power control module are in signal connection with the flow control unit respectively. The network communication module comprises a TCP/IP unit which is used for being in signal connection with a plurality of testing hardware, the instruction generation module is an upper computer, and the upper computer, the function control module and the initialization unit are all in signal connection with the TCP/IP unit.
In the above embodiment, the encryption unit can encrypt the ID of the test hardware to prevent information on the test hardware from being stolen; the identification unit can identify the ID and the process scheduling table of the test hardware; the matching unit can match the hardware ID with the initialization ID in the process schedule. The flow control unit can send the test instruction to the test hardware corresponding to the ID according to the process in the process scheduling table; the TCP/IP unit is beneficial to data transmission and control, and the data monitoring unit can detect the data transmitted on the TCP/IP unit and can return error information and test feedback information.
As shown in fig. 7-8, the present invention also discloses a method for using the above test control system, which comprises:
step A, the instruction generation module sends a data packet according to the ID of the test hardware, tests whether the communication is established, and enters the next step if the communication is established successfully; if the communication is not established successfully, the test control system is overhauled and debugged until the communication is established successfully;
in the above steps, the ID of the test hardware is equivalent to the IP of the test hardware, and the instruction generation module sends a data packet to the test hardware point-to-point, so that whether the communication is established successfully can be tested simply, and the test can be performed only if the communication is established successfully.
B, the main module generates a process scheduling table after initializing and configuring the test hardware and transmits the process scheduling table to the network communication module;
in step B, as shown in fig. 8, the process scheduling table includes "timing, thread, initialization ID and function", where the timing is time, the thread is a thread (generally, lines 1, 2 and 3) where an instruction is located, the initialization ID is an ID generated by the master module according to the initialized test hardware ID, and the function is a test function that can be executed by the test hardware.
Step C, after the identification encryption module identifies the test hardware through the process scheduling table, the network communication module transmits the process scheduling table to an instruction generation module, and the instruction generation module generates a corresponding test instruction according to the process scheduling table;
in the step C, the identification encryption module includes a matching unit, and matching software is provided in the matching unit, and the matching software can match the ID of the test hardware with the initialization ID in the process scheduling table: if the matching is successful, the test hardware is successfully identified, otherwise, the test hardware is not successfully identified, and the instruction generation module does not distribute the test instruction to the test hardware.
And D, the instruction generation module transmits the test instruction to the function control module, and the function control module controls corresponding test hardware through the test instruction.
In step D, the process control unit in the function control module can allocate each test instruction to the corresponding test hardware according to the process scheduling table.
Furthermore, the use method also comprises a step E, wherein the function control module samples test feedback information of the test hardware and transmits the test feedback information to the instruction generation module for analysis.
In the step E, the test control system further includes an ADC module, where the ADC module can transmit the test feedback information back to the function control module, and the data monitoring unit in the function control module uploads the test feedback information to the instruction generation module for analysis.
In summary, the test control system does not need large-capacity software to control the test device, performs modular control, can analyze the cause of the fault of the test hardware, and is beneficial to maintaining the test device.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A test control system is characterized by comprising a main module, a network communication module, an instruction generation module, a function control module and an identification encryption module for identifying or encrypting hardware through testing hardware ID (identity), wherein the instruction generation module, the identification encryption module, the main module and the function control module are respectively in signal connection with the network communication module, the function control module is in signal connection with the instruction generation module, the main module comprises an initialization unit and a process scheduling unit which are in signal connection with each other, and the initialization unit is in signal connection with the network communication module.
2. The test control system of claim 1, wherein the identification encryption module comprises an encryption unit, a matching unit and an identification unit, the encryption unit and the matching unit are respectively in signal connection with the identification unit, and the identification unit is in signal connection with the network communication module.
3. The test control system of claim 1, further comprising an ADC module, a DAC module, and a power control module, wherein the ADC module, the DAC module, and the power control module are each in signal communication with the function control module, and wherein the ADC module and the DAC module are each in signal communication with the network communication module.
4. The test control system of claim 3, wherein the ADC module comprises an A/D converter and the DAC module comprises a D/A converter.
5. The test control system of claim 4, wherein the function control module comprises a process control unit and a data monitoring unit in signal connection with each other, the data monitoring unit is in signal connection with the network communication unit, and the ADC module, the DAC module and the power control module are in signal connection with the process control unit respectively.
6. The test control system of claim 1, wherein the network communication module comprises a TCP/IP unit for signal connection with a plurality of test hardware, the instruction generation module is an upper computer, and the upper computer, the function control module and the initialization unit are all signal connected with the TCP/IP unit.
7. The test control system of claim 1, further comprising an OTA upgrade module in signal connection with the instruction generation module.
8. A method of using the test control system of any one of claims 1 to 7, comprising:
step A, the instruction generation module sends a data packet according to the ID of the test hardware, tests whether the communication is established, and enters the next step if the communication is established successfully; if the communication is not established successfully, the test control system is overhauled and debugged until the communication is established successfully;
b, the main module carries out initialization configuration on the test hardware to generate a process scheduling table and transmits the process scheduling table to the network communication module;
step C, after the identification encryption module identifies the test hardware through the process scheduling table, the network communication module transmits the process scheduling table to an instruction generation module, and the instruction generation module generates a corresponding test instruction according to the process scheduling table;
and D, the instruction generation module transmits a test instruction to the function control module, and the function control module controls corresponding test hardware through the test instruction.
9. The method of claim 8, wherein the method further comprises step E, the function control module samples test feedback information of the test hardware and transmits the test feedback information to the command generation module for analysis.
10. The method of using the test control system according to claim 9, wherein in the step C, matching software is provided in the identification encryption module, and the matching software matches the ID of the test hardware with the initialization ID in the process schedule table: if the match is successful, the test hardware is successfully identified, otherwise the test hardware is unsuccessfully identified.
CN202110661255.2A 2021-06-15 2021-06-15 Test control system and use method thereof Pending CN115480145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110661255.2A CN115480145A (en) 2021-06-15 2021-06-15 Test control system and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110661255.2A CN115480145A (en) 2021-06-15 2021-06-15 Test control system and use method thereof

Publications (1)

Publication Number Publication Date
CN115480145A true CN115480145A (en) 2022-12-16

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Application Number Title Priority Date Filing Date
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