CN109445342A - Open port automatic recognition system, method and storage medium - Google Patents
Open port automatic recognition system, method and storage medium Download PDFInfo
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- CN109445342A CN109445342A CN201811318879.9A CN201811318879A CN109445342A CN 109445342 A CN109445342 A CN 109445342A CN 201811318879 A CN201811318879 A CN 201811318879A CN 109445342 A CN109445342 A CN 109445342A
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- expansion
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- connection module
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- 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
- G05B19/0423—Input/output
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- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The invention discloses a kind of open port automatic recognition systems, comprising: master controller, expansion board clamping, expansion slot, expansion slot are connect with master controller and expansion board clamping respectively；Expansion board clamping further comprises expansion connection module and voltage detection module, and expansion connection module is connect with voltage detection module；Voltage detection module, the current voltage at I/O interface for detecting expansion connection module；Master controller compares current voltage and predeterminated voltage for receiving current voltage, determines the type of expansion connection module.It can automatic identification port, and corresponding load driver and configuration port function；Mistake caused by human intervention can be prevented, debugging and maintenance efficiency are improved；It greatly reduces circuit cost, improves reliability；And its is vdiverse in function, realizes Open Management configuration port.
Description
Technical field
The present invention relates to embedded system technology field more particularly to a kind of open port automatic recognition systems, method
And storage medium.
Background technique
Currently, power equipment system is all not only to have conventional survey calculation function using Embedded intelligent terminal,
And have telecommunication and intelligent control function.And communicate and control function is but also with interface diversity, such as CAN bus,
485 buses, the miscellaneous bus interface such as WIFI, RJ45.And control interface not only has outputting and inputting for switch, and
Outputting and inputting for analog quantity may also be needed.For the individual demand of different occasion different users, these Interface designs
At independent modular circuit one by one, use when, is directly inserted into the expansion slot of equipment.Generally for embedded end
End, extension function slot only has a few, or even only one having.For being inserted into equipment, it usually needs carry out driving and match
It sets, could use.For simple limited several modules, usual manual configuration can be used substantially, still, in this way only for
Fixed slot, fixed module are useful.For there is ten several above equipment, manual configuration is very troublesome, and often artificially causes
It is easy error.
Prior art discloses a kind of embedded system Function Extension automatic identifying methods, and one first is arranged in host
A second singlechip is arranged in single-chip microcontroller in expansion module, and first singlechip and second singlechip respectively include that communication connects
Mouthful, the communication interface of first singlechip connect with the communication interface of second singlechip, using host pass through first singlechip to
Second singlechip timesharing sends inquiry command, and second singlechip is returned from by first singlechip to host after receiving inquiry command
The description data of body, the description data include expansion module title, expansion module function and the expansion module where itself
Input/output information, host handle the description data of return.
The prior art also discloses following technical solution, has expansion interface on main module, and expansion module passes through the extension
Interface is connect with main module, and expansion module has an address module, for generating identification signal；Main module has an identification mould
Block, the frequency of the identification signal for parsing expansion interface judge the expansion module being connected on expansion interface according to the frequency
Type, thus judge insertion equipment situation.
The prior art also discloses a kind of Automatic identification method of relay protection device, first by the management system of protective relaying device
System modularization, is divided into Hardware drive module, console module and the big module of application module three；After protective relaying device powers on, to after
The hardware device of electrical protective device is detected, and the exclusive identification code of the device is obtained；Console module is identified according to the identification code
Ardware model number, and the response driving unit in Hardware drive module is bound according to ardware model number, the driving to hardware is completed, is realized
To the automatic identification of protective relaying device.
For prior art, most complex interfaces require high or detection circuit multiple system host scm
Miscellaneous, debugging is difficult, is not appropriate for using in simple embedded system.
It for the scheme using two panels single-chip microcontroller, must tie up at least 2 communication lines in expansion slot interface, and detect insertion
The information of module needs to judge by the information on this communication line.And controlling the port on expansion module is also to pass through communication
Carry out data exchange.Firstly, mostly use a piece of single-chip microcontroller, undoubtedly high expensive；Secondly, port configuration is not flexible, need repeatedly
The information that insertion equipment could be obtained after data exchange, could load respective drive；Again, the program will realize open match
It is more complicated to set port.
For on expansion module with the scheme of rate-adaptive pacemaker, be more complicated on circuit structure；Consider cost, sets mostly
Meter generates certain frequency signal using 555 timers, and when module connects electricity, a frequency signal is exported on an I/O port,
On disparate modules, the frequency of setting is different, and equipment needs to detect the frequency signal of expansion module；Since there are device mistakes
Difference must limit in a certain range two different frequencies, and keep certain range differences, otherwise be easy to produce mistake
Sentence；There is certain difficulty for scheduling and planning.
For many equipment, automatic detection identification only is carried out to insertion module, then fixes it using function, such as very
More electric energy instruments, the input/output function of switching value, user can not voluntarily configure when in use, it is necessary to which genuine programming is corresponding
Function program could change its function, cannot achieve open port configuration.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of open port automatic identifications
System, can automatic identification port, and corresponding load driver and configuration port function；It can prevent mistake caused by human intervention
Accidentally, debugging and maintenance efficiency are improved；It greatly reduces circuit cost, improves reliability；And its is vdiverse in function, realizes out
Put formula management configuration port.
The second object of the present invention is to provide a kind of open port automatic identifying method, being capable of automatic identification end
Mouthful, and corresponding load driver and configuration port function；Mistake caused by human intervention can be prevented, debugging and maintenance effect are improved
Rate；It greatly reduces circuit cost, improves reliability；And its is vdiverse in function, realizes Open Management configuration port.
The third object of the present invention is to provide a kind of computer readable storage medium, can automatic identification port, and
Corresponding load driver and configuration port function；Mistake caused by human intervention can be prevented, debugging and maintenance efficiency are improved；It is big
Circuit cost is reduced greatly, improves reliability；And its is vdiverse in function, realizes Open Management configuration port.
An object of the present invention adopts the following technical scheme that realization:
A kind of open port automatic recognition system, comprising: master controller, expansion board clamping, expansion slot, the expansion slot point
It is not connect with the master controller and the expansion board clamping；The expansion board clamping further comprises expansion connection module and voltage inspection
Module is surveyed, the expansion connection module is connect with the voltage detection module；The voltage detection module, for detecting the expansion
Open up the current voltage at the I/O interface of interface module；The master controller is used to receive the current voltage, and will be described current
Voltage is compared with predeterminated voltage, determines the type of the expansion connection module.
Further, the expansion connection module includes switching input module, switching value output module, analog input
Output module, 485 bus modules of extension and/or ethernet communication module.
Further, the master controller includes AD conversion module, and the AD conversion module is connect with the expansion slot.
The second object of the present invention adopts the following technical scheme that realization:
A kind of open port automatic identifying method, includes the following steps:
By voltage detection module, the current voltage at the I/O interface of expansion connection module is detected；
The current voltage is received by the AD conversion module of master controller, and the current voltage is converted into described work as
The digital quantity of preceding voltage；
By master controller, the digital quantity of the current voltage is compared with predeterminated voltage, determines that the extension connects
The current type of mouth mold block.
Further, the method further includes steps:
Corresponding driving is loaded according to the current type of the expansion connection module by master controller.
Further, the method further includes steps:
The function of the expansion connection module is configured according to the current type of the expansion connection module by master controller
Energy.
Further, the corresponding driving of load, specifically:
The driving that load matches with the expansion connection module, initializes the expansion connection module.Into one
Step ground, configures the function of the expansion connection module, specifically:
The driving that load matches with the expansion connection module carries out function self-test to the expansion connection module.
The third object of the present invention adopts the following technical scheme that realization:
A kind of computer readable storage medium, is stored thereon with computer program, realization when which is executed by processor
Open port automatic identifying method as described above.
Compared with prior art, the beneficial effects of the present invention are: since expansion board clamping does not use single-chip microcontroller, greatly reduce
Circuit cost；Since the AD conversion module using master controller carries out port identification, the AD conversion module precision of master controller is high,
And circuit structure is simple, improves identification certainty；The present invention can automatic identification port, and judge the type of port, according to
The type of port, corresponding load driver and configuration port function；Mistake caused by human intervention can be prevented, debugging and dimension are improved
Protect efficiency；Input/output function configuration flexibly, realizes open interactive configuration management, greatly facilitates flexibly matching for construction site
It sets, substantially increases the efficiency of production and maintenance.
Detailed description of the invention
Fig. 1 is the structural block diagram for the open port automatic recognition system that first embodiment of the invention provides；
Fig. 2 is the flow chart for the open port automatic identifying method that second embodiment of the invention provides；
In figure: 1, master controller；2, expansion board clamping；3, expansion slot；21, expansion connection module；22, voltage detection module.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
It is the structural block diagram for the open port automatic recognition system that first embodiment of the invention provides referring to Fig. 1.The reality
The open port automatic recognition system for applying example includes: master controller 1, expansion board clamping 2, expansion slot 3.Expansion slot 3 respectively with master
Controller 1 and expansion board clamping 2 connect；Expansion board clamping 2 further comprises expansion connection module 21 and voltage detection module 22, extension
Interface module 21 is connect with voltage detection module 22.
Expansion connection module 21 includes switching input module, switching value output module, analog input and output module, expands
Open up 485 bus modules and/or ethernet communication module；In embodiments of the present invention, expansion connection module 21 includes that switching value is defeated
Enter module, switching value output module, analog input and output module, 485 bus modules of extension and ethernet communication module.
In an alternative embodiment of the invention, on the basis of meeting expansion board clamping 2 and being adapted to the I/O pin of expansion slot 3, expand
Exhibition interface module 21 can be freely combined in above-mentioned five kinds of modules.Such as: expansion connection module 21 can export for 4 way switch amounts
Module and 2 road analog input and output modules；Expansion connection module 21 or all the way analog input and output module and one
Road extends 485 bus modules, and expansion connection module 21 can also be 4 way switch amount input modules and 2 road analog input and outputs
Module.
Master controller 1 further comprises AD conversion module, and AD conversion module is connect with expansion slot 3.Specifically, in the present invention
In embodiment, the microcontroller with AD conversion function that master controller 1 is selected, expansion slot 3 and the AD input of master controller 1 are drawn
Foot connection.
In embodiments of the present invention, voltage detection module 22 includes bleeder circuit；Bleeder circuit includes pull-up resistor, power supply
And pull down resistor；The pin of expansion slot 3 is connect with the I/O interface of expansion connection module 21；The pin of expansion slot 3 is also through pull-up electricity
Resistance is connected to power supply；The I/O interface of expansion connection module 21 is grounded through pull-up resistor.Adjust the resistance value of pull down resistor；Expansion interface mould
Different voltage is obtained on the I/O interface of block.
In embodiments of the present invention, open port automatic recognition system is suitable for field of power system, is being applied to electricity
When Force system field, which includes terminal device, peripheral hardware and above-mentioned open port automatic recognition system；Expansion slot is set
It is placed on terminal device；Master controller is the main control MCU using equipment, and main control device includes but is not limited to ammeter or protection dress
It sets.Due to expansion slot I/O port and master controller AD input pin connect, when the expansion connection module accessed in expansion slot not
Meanwhile master controller there is difference by the current voltage that voltage detection module is got, according to current voltage, it will be able to sentence
The type of expansion connection module in disconnected insertion expansion slot；Master controller can be according to the expansion connection module in insertion expansion slot
Type, load corresponding preset driving, and configure corresponding function.
It referring to fig. 2, is the flow chart for the open port automatic identifying method that second embodiment of the invention provides.The implementation
The open port automatic identifying method of example includes step S1-S5:
S1: by voltage detection module, the current voltage at the I/O interface of expansion connection module is detected.
Whether the step is used to detect the current voltage at the I/O interface of expansion connection module, when having expansion connection module to connect
Enter expansion slot, or connect with expansion slot expansion connection module difference when, the current electricity at the I/O interface of expansion connection module
Pressure is different.
S2: current voltage is received by the AD conversion module of master controller, and current voltage is converted into current voltage
Digital quantity.
The step is used to current voltage being converted into digital quantity.Specifically, the I/O port of expansion slot and the AD of master controller are defeated
Enter pin connection, master controller receives digital quantity of the current voltage after AD conversion by AD input pin.
S3: by master controller, the digital quantity of current voltage is compared with predeterminated voltage, determines expansion connection module
Current type.
The step is used for the digital quantity according to current voltage, determines the current type of expansion connection module.
In embodiments of the present invention, the input signal of master controller timing scan AD input pin, to determine expansion slot
Whether I/O port has signal output, i.e. whether judgement expansion slot has access expansion connection module；To detect whether expansion slot accesses
Expansion connection module；When the voltage signal read from AD input pin is VCC voltage, then determine without access expansion interface
Module then determines to have accessed expansion connection module when the voltage signal read from AD input pin is not VCC voltage.
Further, when judging that expansion slot has accessed expansion connection module, further according to the number of current voltage
Word amount determines the type for being currently accessed the expansion connection module of expansion slot.
Specifically, the digital quantity of current voltage is compared with the preset threshold range of expansion connection module, judgement is worked as
The digital quantity of preceding voltage is in the preset threshold range of which kind of expansion connection module, is currently accessed the expansion of expansion slot from what is determined
Open up the type of interface module.
Such as: the preset threshold range of switching input module can be 3.10~3.15V；Switching value output module it is pre-
If threshold range can be 3.03~3.08V；The preset threshold range of analog input and output module can be 2.95~3.0V,
The preset threshold range for extending 485 bus interface modules can be 2.83~2.88V, the preset threshold model of ethernet communication module
It encloses and can be 2.75~2.80V.In view of the error of resistance value and the identification error of AD conversion module, therefore different types of
Certain difference range has been reserved between the preset threshold range of expansion connection module；It in actual use, can be according to reality
Border situation and demand are accordingly arranged.
S4: corresponding driving is loaded according to the current type of expansion connection module by master controller.
The step is used for load driver.Specifically, which includes: the driving that load matches with expansion connection module,
Expansion connection module is initialized；The driving that load matches with expansion connection module carries out function to expansion connection module
It can self-test.
S5: the function of expansion connection module is configured according to the current type of expansion connection module by master controller.
The step is for configuring expansion connection module.
Since expansion connection module includes but is not limited to switching input module, switching value output module, analog input
Output module, extension one of 485 bus interface modules and ethernet communication module or a variety of；The step expands for configuring
Open up the I/O interface of interface module；Expansion connection module can be different type or different types of combination among the above among the above,
In the concrete type for the expansion connection module for identifying access expansion slot, and after loading respective drive, user can be connect extension
The I/O interface of mouth mold block carries out functional configuration again, the function definition of terminal can be corrected and adjust, to realize I/O interface
Flexible configuration.
Specifically, when the current type of expansion connection module is switching input module, On-off signal function is configured,
On-off signal function has " combined floodgate/separating brake ", " combined floodgate allow/is not permitted ", the functions such as " local/remote ", and when field application, it connects
The connection relationship of the input terminal of line terminals and equipment is simultaneously not fixed, error-prone；Therefore the function of associated terminal is needed to configure
Can, the definition of user's voluntarily configuration feature permission, therefore in the case where wrong line, it can come by adjusting terminal function definition
It is modified.
When the current type of expansion connection module is switching value output module, the function report of expansion connection module is configured
Alert, tripping, protection starting.The terminal of switching value output module is accessed usually using one such function, therefore, user can be with
Again its configuration feature is changed, terminal function is opened and is adjusted to user.
When the current type of expansion connection module is analog output module, the function of configuring expansion connection module includes
Acquire phase voltage, line voltage, electric current, power, frequency, temperature；It needs to open terminal function and be adjusted to user.
When the current type of expansion connection module is Analog input mModule, the function of configuring expansion connection module includes
Temperature collection, electric current, pressure；It needs that user is allowed to read its AD conversion value, user is allowed voluntarily to show to input signal
Calibration.
When the current type of expansion connection module is 485 bus modules of extension, ethernet communication module or CAN bus module
Insertion is exported according to corresponding respectively.
Since there is expansion slot signal diversity can carry out free group of function in the case where port does not conflict
It closes, such as expansion board clamping can be made of 485 bus modules of extension, switching input module and switching value output module；Greatly
The opening of degree uses I O function.
In an alternative embodiment of the invention, which can further comprise step: pass through master
Controller is timed scanning to the state that inserts or pull out of the expansion connection module of access expansion slot；When recognizing expansion interface
When module is extracted, corresponding prompt information is issued, and show current state.
Third embodiment of the invention provides a kind of computer readable storage medium, the integrated module/unit of terminal device
If be realized in the form of SFU software functional unit and when sold or used as an independent product, can store in a computer
In read/write memory medium.Based on this understanding, the present invention realizes all or part of the process in above-described embodiment method,
Relevant hardware can be instructed to complete by computer program, computer program can be stored in a computer-readable storage medium
In matter, the computer program is when being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, computer
Program includes computer program code, and computer program code can be source code form, object identification code form, executable file
Or certain intermediate forms etc..Computer-readable medium may include: any entity or dress that can carry computer program code
It sets, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software
Distribution medium etc..It should be noted that computer-readable medium include content can according in jurisdiction legislation and specially
The requirement of benefit practice carries out increase and decrease appropriate, such as in certain jurisdictions, computer-readable according to legislation and patent practice
Medium does not include electric carrier signal and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein being used as separate part description
Unit may or may not be physically separated, component shown as a unit may or may not be
Physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to the actual needs
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention is implemented
In example attached drawing, the connection relationship between module indicates there is communication connection between them, specifically can be implemented as one or more
Communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand and real
It applies.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (9)
1. a kind of open port automatic recognition system, which is characterized in that the system comprises: master controller, expansion board clamping, expansion
Slot is opened up, the expansion slot is connect with the master controller and the expansion board clamping respectively；The expansion board clamping further comprises expanding
Exhibition interface module and voltage detection module, the expansion connection module are connect with the voltage detection module；The voltage detecting
Module, the current voltage at I/O interface for detecting the expansion connection module；The master controller is for receiving described work as
Preceding voltage, and the current voltage is compared with predeterminated voltage, determine the type of the expansion connection module.
2. open port automatic recognition system according to claim 1, which is characterized in that the expansion connection module packet
Include switching input module, switching value output module, analog input and output module, 485 bus modules of extension and/or Ethernet
Communication module.
3. open port automatic recognition system according to claim 1, which is characterized in that the master controller is further
Including AD conversion module, the AD conversion module is connect with the expansion slot.
4. a kind of open port automatic identifying method, which is characterized in that the described method comprises the following steps: passing through voltage detecting
Module detects the current voltage at the I/O interface of expansion connection module；
The current voltage is received by the AD conversion module of master controller, and the current voltage is converted into the current electricity
The digital quantity of pressure；
By master controller, the digital quantity of the current voltage is compared with predeterminated voltage, determines the expansion interface mould
The current type of block.
5. open port automatic identifying method according to claim 4, the method further includes steps:
Corresponding driving is loaded according to the current type of the expansion connection module by master controller.
6. open port automatic identifying method according to claim 5, the method further includes steps:
The function of the expansion connection module is configured according to the current type of the expansion connection module by master controller.
7. open port automatic identifying method according to claim 5, which is characterized in that the corresponding driving of load, tool
Body are as follows:
The driving that load matches with the expansion connection module, initializes the expansion connection module.
8. open port automatic identifying method according to claim 6, which is characterized in that configure the expansion interface mould
The function of block, specifically:
The driving that load matches with the expansion connection module carries out function self-test to the expansion connection module.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The open port automatic identifying method as described in any in claim 4-8 is realized when row.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811318879.9A CN109445342A (en) | 2018-11-07 | 2018-11-07 | Open port automatic recognition system, method and storage medium |
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| CN201811318879.9A CN109445342A (en) | 2018-11-07 | 2018-11-07 | Open port automatic recognition system, method and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110557194A (en) * | 2019-07-31 | 2019-12-10 | 中电科仪器仪表有限公司 | Multithreading-based modular light wave parameter testing system and method |
| CN111147104A (en) * | 2019-10-30 | 2020-05-12 | 南京林洋电力科技有限公司 | Modular intelligent fusion terminal and module interface matching method based on analog bus communication |
| CN111983946A (en) * | 2020-07-03 | 2020-11-24 | 杭州格米环境科技有限公司 | Dehumidifier control panel, dehumidifier and use method of dehumidifier |
| CN112888084A (en) * | 2021-01-20 | 2021-06-01 | 努比亚技术有限公司 | Full-band communication method and device and mobile terminal |
| CN113535623A (en) * | 2021-06-11 | 2021-10-22 | 中国长城科技集团股份有限公司 | Port configuration circuit, method and server |
| CN113870657A (en) * | 2021-09-28 | 2021-12-31 | 北京易真学思教育科技有限公司 | Recognition device of functional module |
| US11892520B2 (en) | 2022-03-28 | 2024-02-06 | Changxin Memory Technologies, Inc. | Method and device for power supply mapping detection, electronic device, and medium |
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| CN110557194A (en) * | 2019-07-31 | 2019-12-10 | 中电科仪器仪表有限公司 | Multithreading-based modular light wave parameter testing system and method |
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| CN113870657A (en) * | 2021-09-28 | 2021-12-31 | 北京易真学思教育科技有限公司 | Recognition device of functional module |
| US11892520B2 (en) | 2022-03-28 | 2024-02-06 | Changxin Memory Technologies, Inc. | Method and device for power supply mapping detection, electronic device, and medium |
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