CN114860513A - Test system and method for burning product identification information - Google Patents

Test system and method for burning product identification information Download PDF

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Publication number
CN114860513A
CN114860513A CN202110164457.6A CN202110164457A CN114860513A CN 114860513 A CN114860513 A CN 114860513A CN 202110164457 A CN202110164457 A CN 202110164457A CN 114860513 A CN114860513 A CN 114860513A
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burning
pid
relay
test
identification information
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CN202110164457.6A
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钱瑛
王莉
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Shanghai Ultimate Power Communications Technology Co Ltd
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Shanghai Ultimate Power Communications Technology Co Ltd
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Priority to CN202110164457.6A priority Critical patent/CN114860513A/en
Publication of CN114860513A publication Critical patent/CN114860513A/en
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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
    • 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
    • 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
    • G06F11/2289—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by configuration test
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

The embodiment of the application provides a system and a method for testing burning of product identification information, wherein the system comprises: the system comprises a test computer, a program-controlled power supply and a product identification information PID test control module, wherein the test computer is connected with the PID test control module through a first control line, and one end of the first control line is connected to a serial port of the test computer; the test computer is connected with the programmable power supply through a programmable connecting line; the PID test control module is connected with a board card interface of a tested board card; and the PID test control module is used for receiving the signal/command sent by the test computer and controlling the connection state with the board card interface based on the signal/command so as to realize online burning and offline burning of the product identification information. According to the embodiment of the application, the PID test control module is added, so that the control of online burning and offline burning of the product identification information is realized, and the problems of full-coverage test and interference of the online and offline interface power supply interface are solved.

Description

Test system and method for burning product identification information
Technical Field
The present disclosure relates to the field of circuit testing technologies, and in particular, to a system and a method for testing product identification information burning.
Background
A chip for storing Product Identification information (PID) is provided on a general circuit board, and for designing for PID burning, the chip has two modes of on-line and off-line of a general hardware circuit design: 1) in the online mode, after the board card is powered on, PID burning can be carried out through a processing chip on the board card; 2) in the offline mode, after the board is powered off, the PID is burned through an offline burner through an Inter-Integrated Circuit bus (IIC bus, abbreviated as IIC) interface on the board.
For such an interface design, part of the test contents are often missed in the existing test mode. Fig. 1 is a schematic diagram of an implementation of a conventional test scheme. If the off-line burner is inserted before the test, the board card interferes during the on-line test, so that the phenomenon of the suspension of the IIC interface is caused, and if the off-line burner is inserted after the on-line test, the test complexity is increased. Meanwhile, the two paths of signals for on-board power supply and off-board power supply do not achieve full coverage, and the power supply in the board and the off-line burner are always in a power supply state, so that the phenomenon that a power supply circuit on one side is short-circuited cannot be found in the test process, and the problem that the test is not fully covered occurs.
Disclosure of Invention
The embodiment of the application provides a system and a method for testing burning of product identification information, which are used for solving the defects that an off-line burner is inserted before testing to generate interference on-line testing and the testing of an on-line off-line burning interface of the product identification information cannot be completely covered in the prior art.
In a first aspect, an embodiment of the present application provides a system for testing burning of product identification information, which includes a testing computer and a programmable power supply, and is characterized by further including a PID testing control module for product identification information,
the testing computer is connected with the PID testing control module through a first control line, wherein one end of the first control line is connected to a serial port of the testing computer;
the test computer is connected with the programmable power supply through a programmable connecting wire;
the PID test control module is connected with a board card interface of a tested board card;
the PID test control module is used for receiving the signal/command sent by the test computer, and controlling the connection state with the board card interface based on the signal/command to realize online burning and offline burning of the product identification information.
Optionally, according to an embodiment of the present application, in the system for testing product identification information burning, the PID test control module includes: a singlechip, a programmable logic device EPLD, a first relay and a second relay, wherein,
the single chip microcomputer is connected with the test computer through a first control line and a serial port, the single chip microcomputer is connected with the EPLD through an address data bus, the test computer is connected with a first relay through a serial port and a second control line, and the test computer is connected with the EPLD through a serial port and a third control line;
the single chip microcomputer is used for receiving a signal/command for starting an off-line state sent by the test computer through a serial port and informing the EPLD to configure a control pin of the second relay in a register working mode;
the single chip microcomputer is also used for simulating an IIC interface to carry out PID offline burning after the single chip microcomputer is connected with the IIC interface in the board card interface through the first relay;
the EPLD is used for receiving a notice sent by the singlechip for configuring a control pin of the second relay, and configuring the control pin of the second relay so that the second relay controls the power supply and the write protection state of the EEPROM chip on the tested board card through the board card interface;
the first relay is used for controlling the state of the IIC interface;
and the second relay is used for controlling the power supply and the write protection connection state of the EEPROM chip through the board card interface.
Optionally, according to an embodiment of the application, an interface signal corresponding to the board interface includes at least one of the following: a power supply signal PID _ VCC2 of the EEPROM chip, a write protection signal PID _ WP of the EEPROM chip, a first IIC interface signal PID _ SCL of the EEPROM chip, and a second IIC interface signal PID _ SDA of the EEPROM chip.
Optionally, according to the test system for burning the product identification information in one embodiment of the present application, the first relay and the second relay each include two controllable switches inside.
Optionally, according to the test system for burning the product identification information in one embodiment of the present application, the test computer is further configured to control both the first relay and the second relay to be in an off state, and issue a command through script configuration;
and the command is used for starting an in-board processing chip on the tested board card to download the burning file from the test computer and carry out online PID burning.
In a second aspect, an embodiment of the present application further provides a method for testing burning of product identification information, including:
initiating a signal/command of starting an off-line state to a single chip microcomputer on a PID test control module through a serial port, so that the single chip microcomputer informs an EPLD on the PID test control module of configuring a control pin of a second relay in a register working mode, and the second relay controls an EEPROM chip power supply and a write protection state;
if the control state enters an off-line mode, controlling the programmable power supply to cut off the power supply to the tested board card and supplying power to the tested board card through the PID test control module;
and after the EEPROM chip on the tested board card recovers power supply, controlling a first relay to connect the IIC interface in the board card interface to the singlechip, and simulating the IIC interface through the singlechip to carry out the off-line burning of the PID.
Optionally, the method for testing burning of product identification information according to an embodiment of the present application further includes:
controlling the first relay and the second relay to be in a turn-off state;
the test computer issues a command through script configuration, controls an in-board processing chip on the tested board card to download a burning file, and carries out online PID burning.
In a third aspect, an embodiment of the present application further provides a processor-readable storage medium, where a computer program is stored, where the computer program is configured to enable the processor to execute the steps of the test method for burning product identification information according to the second aspect.
According to the product identification information burning test system and method, the PID test control module is added to realize the control of online burning and offline burning of the product identification information, the two-mode automatic switching burning is realized through switching control, the problem of full-coverage test of an online offline interface power supply interface is solved, the phenomenon that part of interface circuits are missed and uncovered can be avoided, offline burning equipment can be inserted into the environment before testing without plugging, the burning of a processor to PID in the online mode cannot be influenced by the standby state of an offline burner, and the interference problem is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an implementation of a prior art test scheme;
fig. 2 is a schematic structural diagram of a test system for burning product identification information according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a PID test control module according to an embodiment of the present disclosure;
fig. 4 is a test method for burning product identification information according to an embodiment of the present disclosure.
Detailed Description
In the embodiment of the present application, the term "and/or" describes an association relationship of associated objects, and means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The existing test scheme for burning the product identification information mainly adopts the following steps: after the board card is powered on, the PID is burnt in an online mode through the processor by using the original functions of the board card; and reading the PID information from the IIC interface of the board card by using the burner and comparing the PID information with the PID information. The interface full-coverage test under the two modes of PID is achieved through two steps. This test mode has the following problems: the insertion of the off-line burner before the test can interfere with the on-line test, and the test of the on-line off-line burning interface of the product identification information cannot be completely covered. In order to solve the above problem, an embodiment of the present application provides a test system for burning product identification information.
Fig. 2 is a schematic structural diagram of a test system for burning product identification information according to an embodiment of the present application, and as shown in fig. 2, the system includes: the system comprises a test computer 201, a program-controlled power supply 202 and a product identification information PID test control module 203, and is used for testing the burning of the product identification information of a tested board card 204.
Wherein, the board 204 under test includes: an in-board processing chip 2041, an Electrically Erasable Programmable ROM (EEPROM) chip 2042, and a board interface 2043. The connection relationship among the on-board processing chip 2041, the EEPROM chip 2042, and the board interface 2043 is shown in fig. 2.
The testing computer 201 is connected to the product identification information PID testing control module 203 through a first control line, wherein one end of the first control line is connected to a serial port of the testing computer 201;
the test computer 201 is connected with the programmable power supply 202 through a programmable connecting line;
the PID test control module 203 is connected with a board card interface 2043 of the board card 204 to be tested;
the PID test control module 203 is configured to receive a signal/command sent by the test computer 201, and control a connection state with the board interface 2043 based on the signal/command, so as to implement online burning and offline burning of product identification information.
The product identification information burning test system provided by the embodiment of the application realizes the control of online burning and offline burning of product identification information by adding the PID test control module, realizes the automatic two-mode switching burning through switching control, solves the problem of full-coverage test of an online offline interface power supply interface, can avoid the phenomenon that part of interface circuits are missed to be tested and are not covered, can insert offline burning equipment into the environment before testing, does not need to be plugged and pulled, cannot influence the burning of a processor to PID in the online mode because of the standby state of an offline burner, and solves the interference problem.
Optionally, in order to implement the above functions of the PID test control module 203, as shown in fig. 3, the PID test control module 203 further includes: a singlechip 2031, a programmable logic device EPLD 2032, a first relay J1 and a second relay J2, wherein,
the single-chip microcomputer 2031 is connected with the test computer 201 through a first control line and a serial port, the single-chip microcomputer 2031 is connected with the EPLD 2032 through an address data bus, the test computer 201 is connected with a first relay J1 through a serial port and a second control line, and the test computer 201 is connected with the EPLD 2032 through a serial port and a third control line;
the single chip microcomputer 2031 is configured to receive a signal/command for starting an offline state sent by the test computer 201 through a serial port, and notify the EPLD 2032 of configuring a control pin of the second relay J2 in a register working mode;
the single chip microcomputer 2031 is further configured to simulate an IIC interface in the board card interface to perform offline PID burning after being connected to the IIC interface through the first relay J1;
it should be noted that the types of IIC interface signals include PID _ SCL and PID _ SDA.
The EPLD 2032 is configured to receive the notification sent by the single chip microcomputer 2031 and configuring the control pin of the second relay J2, and configure the control pin of the second relay J2, so that the second relay J2 controls the power supply and the write protection state of the EEPROM chip on the board card to be tested through the board card interface.
Referring to fig. 2 and 3, the PID _ VCC2 interface signal of the relay J2 is used to implement control of the power state of the EEPROM chip 2042, and the PID _ WP interface signal of the relay J2 is used to implement control of the write protection state of the EEPROM chip 2042.
The first relay J1 is used for controlling the state of the IIC interface;
the second relay J2 is used for controlling the power supply and the write protection connection state of the EEPROM chip 2042 through the board card interface.
Optionally, the interface signal corresponding to the board interface 2043 includes at least one of the following: a power supply signal PID _ VCC2 of the EEPROM chip, a write protection signal PID _ WP of the EEPROM chip, a first IIC interface signal PID _ SCL of the EEPROM chip, and a second IIC interface signal PID _ SDA of the EEPROM chip.
Alternatively, referring to fig. 3, the first relay and the second relay each include two controllable switches inside.
It will be appreciated that the first relay J1 controls the state of the IIC interface through two controllable switches.
For example, PID _ SCL may be controlled to communicate with the single chip microcomputer 2031.
The second relay controls the power and write protection states of the EEPROM chip 2042 through two controllable switches.
For example, the D3V3 power supply can be controlled to communicate with PID _ VCC 2.
Optionally, the test system for burning the product identification information provided in the embodiment of the present application can implement an online mode test, and the implementation is specifically as follows:
the test computer 201 is also used for controlling the first relay J1 and the second relay J2 to be in an off state, and issuing commands through script configuration;
the command is used to start the on-board processing chip 2041 on the board under test card 204 to download the burning file from the test computer 201, and perform online PID burning.
The test system for burning the product identification information provided by the embodiment of the application separates the online interface and the offline interface through the two relays PID, so as to achieve the full-coverage test of the two interfaces, and the hardware design of a singlechip and an EPLD is added, thereby the possibility of matching with software design is provided, the automatic switching of the two interfaces is realized, the off-line burning process can be automatically realized, can realize the control of online burning and offline burning of the product identification information, has two modes of automatic switching burning through switching control, solves the problem of full coverage test of the power supply interface of the online and offline interface, the phenomenon that part of interface circuits are missed and uncovered can be avoided, the off-line recording device can be inserted into the environment before testing without plugging, the recording of the processor to the PID in the on-line mode can not be influenced by the standby state of the off-line recorder, and the interference problem is solved.
On the basis of the foregoing embodiments, another embodiment of the present application provides a method for testing burning of product identification information, based on a system for testing burning of product identification information as described in the foregoing embodiments, as shown in fig. 4, the method includes:
step 400, initiating a signal/command of starting an off-line state to a single chip microcomputer on a PID test control module through a serial port, so that the single chip microcomputer informs an EPLD on the PID test control module of configuring a control pin of a second relay in a register working mode, and the second relay controls an EEPROM chip power supply and a write protection state;
specifically, the test computer initiates a signal/command of starting an off-line state to a single chip microcomputer on the PID test control module through a serial port, so that the single chip microcomputer informs an EPLD on the PID test control module of configuring a control pin of a second relay in a register working mode, and the second relay controls the power supply and the write protection state of an EEPROM chip.
Step 401, if the control state enters an off-line mode, controlling the programmable power supply to cut off power supply to the board card to be tested, and supplying power to the board card to be tested through the PID test control module;
and if the control state enters an off-line mode, the test computer controls the program-controlled power supply to cut off the power supply to the tested board card and supplies power to the tested board card through the PID test control module.
And 402, after the EEPROM chip on the tested board card recovers power supply, controlling a first relay to connect the IIC interface in the board card interface to the single chip microcomputer, and simulating the IIC interface through the single chip microcomputer to perform PID offline burning.
After the EEPROM chip on the tested board card recovers power supply, the testing computer controls the first relay to connect the IIC interface in the board card interface to the single chip microcomputer, and the single chip microcomputer simulates the IIC interface to perform PID offline burning.
The product identification information burning test method provided by the embodiment of the application is based on the design of a PID test control module hardware module, the two-mode automatic switching burning is realized through switching control, the interface is fully covered, and the whole test flow method after the hardware module is matched is added, so that various interference problems caused by inserting an off-line burner can be avoided, and the reliability is high.
Optionally, the method for testing burning of the product identification information further includes:
controlling the first relay and the second relay to be in a turn-off state;
the test computer issues a command through script configuration, controls an in-board processing chip on the tested board card to download a burning file, and carries out online PID burning.
Specifically, the test computer sends an instruction in a script form through the serial port, firstly switches off a switch in the relay to enable each interface signal of the EEPROM to be in a closed state, the test computer powers on the board card to be tested, controls an in-board processing chip on the board card to download a burning file, performs online PID burning, and covers an in-board interface.
Then, the test computer controls the board card to be powered off, a serial port instruction is sent to the single chip microcomputer through a serial port, the pin of the EPLD controls the enabling pin of the relay, each interface of the PID is in a connected state, the power supply of the PID is connected simultaneously, and if the power supply D3V3 is connected with the PID _ VCC2, the power supply is connected.
The test computer burns the offline file through the IIC interface of the single chip microcomputer to realize the offline burning of the PID.
The method for testing burning of the product identification information can automatically switch between an online mode and an offline mode by controlling the testing steps through program design under the assistance of hardware design, and solves the problem of interference of equipment caused by respective testing of two power supplies.
On the other hand, an embodiment of the present application further provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, where the computer program is configured to enable the processor to execute the method for testing burning of product identification information provided in the foregoing embodiments, and the method includes:
initiating a signal/command of starting an off-line state to a single chip microcomputer on a PID test control module through a serial port, so that the single chip microcomputer informs an EPLD on the PID test control module of configuring a control pin of a second relay in a register working mode, and the second relay controls an EEPROM chip power supply and a write protection state;
if the control state enters an off-line mode, controlling the programmable power supply to cut off the power supply to the tested board card and supplying power to the tested board card through the PID test control module;
and after the EEPROM chip on the tested board card recovers power supply, controlling a first relay to connect the IIC interface in the board card interface to the singlechip, and simulating the IIC interface through the singlechip to carry out the off-line burning of the PID.
The processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (8)

1. A test system for burning product identification information comprises a test computer and a program-controlled power supply, and is characterized by also comprising a product identification information PID test control module,
the testing computer is connected with the PID testing control module through a first control line, wherein one end of the first control line is connected to a serial port of the testing computer;
the test computer is connected with the programmable power supply through a programmable connecting line;
the PID test control module is connected with a board card interface of a tested board card;
the PID test control module is used for receiving the signal/command sent by the test computer, and controlling the connection state with the board card interface based on the signal/command to realize online burning and offline burning of the product identification information.
2. The system for testing burning of product identification information as claimed in claim 1, wherein the PID test control module comprises: a singlechip, a programmable logic device EPLD, a first relay and a second relay, wherein,
the single chip microcomputer is connected with the test computer through a first control line and a serial port, the single chip microcomputer is connected with the EPLD through an address data bus, the test computer is connected with a first relay through a serial port and a second control line, and the test computer is connected with the EPLD through a serial port and a third control line;
the single chip microcomputer is used for receiving a signal/command for starting an off-line state sent by the test computer through a serial port and informing the EPLD to configure a control pin of the second relay in a register working mode;
the single chip microcomputer is also used for simulating an IIC interface to carry out PID offline burning after the single chip microcomputer is connected with the IIC interface in the board card interface through the first relay;
the EPLD is used for receiving a notice sent by the singlechip for configuring a control pin of the second relay, and configuring the control pin of the second relay so that the second relay controls the power supply and the write protection state of the EEPROM chip on the tested board card through the board card interface;
the first relay is used for controlling the state of the IIC interface;
and the second relay is used for controlling the power supply and the write protection connection state of the EEPROM chip through the board card interface.
3. The system for testing burning of product identification information as claimed in claim 2, wherein the interface signal corresponding to the board interface includes at least one of: a power supply signal PID _ VCC2 of the EEPROM chip, a write protect signal PID _ WP of the EEPROM chip, a first IIC interface signal PID _ SCL of the EEPROM chip, and a second IIC interface signal PID _ SDA of the EEPROM chip.
4. The system for testing burning of product identification information as claimed in claim 2, wherein the first relay and the second relay each include two controllable switches inside.
5. The system for testing burning of product identification information as claimed in claim 2, wherein the testing computer is further configured to control both the first relay and the second relay to be in an off state, and to issue commands through script configuration;
and the command is used for starting an in-board processing chip on the tested board card to download the burning file from the test computer and carry out online PID burning.
6. A method for testing burning of product identification information, based on the system for testing burning of product identification information as claimed in any one of claims 1-5, comprising:
initiating a signal/command of starting an off-line state to a single chip microcomputer on a PID test control module through a serial port, so that the single chip microcomputer informs an EPLD on the PID test control module of configuring a control pin of a second relay in a register working mode, and the second relay controls an EEPROM chip power supply and a write protection state;
if the control state enters an off-line mode, controlling the programmable power supply to cut off the power supply to the tested board card and supplying power to the tested board card through the PID test control module;
and after the EEPROM chip on the tested board card recovers power supply, controlling a first relay to connect the IIC interface in the board card interface to the singlechip, and simulating the IIC interface through the singlechip to carry out the off-line burning of the PID.
7. The method for testing burning of product identification information as claimed in claim 6, further comprising:
controlling the first relay and the second relay to be in a turn-off state;
the test computer configures and issues commands through the script, controls an in-board processing chip on the tested board card to download the burning file, and carries out online PID burning.
8. A processor-readable storage medium storing a computer program for causing a processor to execute the method for testing burn-in of product identification information according to any one of claims 6 to 7.
CN202110164457.6A 2021-02-05 2021-02-05 Test system and method for burning product identification information Pending CN114860513A (en)

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