CN113591500A - NFC chip read-write frequency automatic detection method and device - Google Patents
NFC chip read-write frequency automatic detection method and device Download PDFInfo
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- CN113591500A CN113591500A CN202111146832.0A CN202111146832A CN113591500A CN 113591500 A CN113591500 A CN 113591500A CN 202111146832 A CN202111146832 A CN 202111146832A CN 113591500 A CN113591500 A CN 113591500A
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Abstract
The application discloses a method and a device for automatically detecting read-write times of an NFC chip, wherein the method comprises the following steps: the main control machine sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control machine; the main control computer receives the chip data; and finally, the main control computer determines the read-write times of the NFC chip according to the chip data. The read-write times of the NFC chip can be directly determined through the master control machine, so that the read-write times of the NFC chip can be accurately determined.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to a method and an apparatus for automatically detecting read/write times of an NFC chip.
Background
Near Field Communication (NFC for short), NFC has performance advantages in short-range Communication due to its extremely high security. More and more NFC chip manufacturers in the market have large performance difference of NFC chips of different chip manufacturers, and the read-write performance of different NFC chips needs to be detected in the design and model selection of NFC products so as to ensure that the performance of the NFC chips meets the design standard of the products. Because the NFC chip has the limitation of the read-write frequency service life, if the read-write frequency reaches the limit value, the chip can not normally work to read and write data, and the important consideration in the selection of NFC products is the read-write frequency service life of the NFC chip.
The existing NFC chip reading and writing frequency method is characterized in that an NFC card reader mechanically senses an NFC chip, operation is free of data storage, the number of times of reading and writing of the detected NFC chip is often a fuzzy concept, accurate calculation of the number of times of reading and writing cannot be achieved, for example, the NFC chip is set to sense for 10w times, whether the NFC chip can continue to read and write can be detected only after 10w times of reading and writing, an accurate frequency result cannot be obtained, if the detected card reader cannot read and write within a certain period of time, the result of data verification is inaccurate.
Disclosure of Invention
The application provides an NFC chip read-write frequency automatic detection method and device, and the read-write frequency of an NFC chip is determined directly through a main control computer, so that the read-write frequency of the NFC chip is accurately determined.
A first aspect of the present application provides a method for automatically detecting read/write times of an NFC chip, including:
the main control machine sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control machine;
the main control computer receives the chip data;
and the main control computer determines the read-write times of the NFC chip according to the chip data.
Optionally, after the master controller determines the number of times that the NFC chip can be read and written according to the chip data, the method for automatically detecting the number of times that the NFC chip can be read and written further includes:
and the main control computer saves the readable and writable times.
Optionally, after the master controller determines the number of times that the NFC chip can be read and written according to the chip data, the method for automatically detecting the number of times that the NFC chip can be read and written further includes:
and the main control computer carries out visual display on the readable and writable times through a display module.
A second aspect of the present application provides a method for automatically detecting read/write times of an NFC chip, including:
the inspection jig receives an execution instruction sent by the main control machine;
the inspection jig supplies power to the logic board according to the execution instruction, and reads chip data of the NFC chip through the logic board;
and the inspection jig sends the chip data to the main control machine, so that the main control machine determines the read-write times according to the chip data.
Optionally, before reading the chip data of the NFC chip, the method for automatically detecting the number of times of reading and writing the NFC chip further includes:
the inspection jig controls the NFC detection equipment to detect the NFC chip through the control unit.
A third aspect of the present application provides a master controller, including:
the first sending unit is used for sending an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control computer;
a first receiving unit for receiving the chip data;
and the determining unit is used for determining the read-write times of the NFC chip according to the chip data.
Optionally, the main control computer further includes:
and the storage unit is used for storing the read-write times.
Optionally, the main control computer further includes:
and the visualization unit is used for visually displaying the read-write times through the display module.
The present application fourth aspect provides an inspection jig, including:
the second receiving unit is used for receiving an execution instruction sent by the main control computer;
the power supply/reading unit is used for supplying power to the logic board according to the execution instruction and reading chip data of the NFC chip through the logic board;
and the second sending unit is used for sending the chip data to the main control computer so that the main control computer can determine the read-write times according to the chip data.
Optionally, the inspection jig further includes:
and the detection unit is used for controlling the NFC detection equipment to detect the NFC chip through the control unit.
Optionally, the inspection jig further includes:
a fixing unit for fixing the logic board;
and the control unit is used for controlling the NFC detection equipment.
From the above techniques: on the basis of communication between the logic board, the NFC chip and the main control computer, the main control computer sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control computer; the main control computer receives the chip data; and finally, the main control computer determines the read-write times of the NFC chip according to the chip data. The read-write times of the NFC chip can be directly determined through the master control machine, so that the read-write times of the NFC chip can be accurately determined.
Drawings
Fig. 1 is a schematic flowchart illustrating an embodiment of a method for automatically detecting the read/write times of an NFC chip according to the present application;
fig. 2 is a schematic flowchart of another embodiment of a method for automatically detecting the read/write times of an NFC chip according to the present application;
FIG. 3 is a schematic structural diagram of an embodiment of a master controller in the present application;
fig. 4 is a schematic structural diagram of an embodiment of the inspection apparatus of the present application.
Detailed Description
The embodiment of the application provides an NFC chip read-write frequency automatic detection method and device, and the read-write frequency of an NFC chip is determined directly through a main control computer, so that the read-write frequency of the NFC chip is accurately determined.
In the application, the main control computer is respectively communicated with the logic board and the inspection jig; the inspection jig fixes the logic board by using the fixing unit and supplies power to the logic board by using the power supply unit; the NFC chip is connected with the logic board through an external communication interface; the inspection jig detects the NFC chip connected with the logic board through NFC detection equipment.
Referring to fig. 1, an embodiment of a method for automatically detecting read/write times of an NFC chip in the embodiment of the present application includes:
101. the main control machine sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control machine;
after the NFC chip is connected with the logic board, the main control machine is started up, and then the main control machine sends an execution instruction to the inspection jig, wherein the execution instruction comprises a power supply instruction and a working instruction. After the inspection jig receives the execution instruction, the inspection jig also works according to the working instruction in the execution instruction, and the inspection jig detects the NFC chip connected with the logic board through NFC detection equipment; meanwhile, after the inspection jig supplies power to the logic board according to the power supply instruction in the execution instruction and the NFC detection device detects the NFC chip, the NFC chip on the logic board starts to enter a working state, the NFC chip at the moment reads information in the NFC detection device, writes the information into a storage unit of the NFC chip, then sends chip data of the NFC chip to the logic board, and the logic board reads the chip data and sends the data to the main control computer.
In this embodiment, the chip data of the NFC chip may include a unique identifier of the NFC chip, the number of times the NFC chip can be read and written, the storage data of the NFC chip, and the like, which is not specifically limited herein.
102. The main control computer receives chip data;
after the logic board sends the chip data to the master controller, the master controller receives the chip data, and the chip data provides a data base for step 103 because the chip data includes a unique identifier, a readable/writable number, storage data, and the like.
In this embodiment, the main controller may receive the chip data by receiving an electrical signal, or may receive the chip data by receiving a digital signal, which is not specifically limited herein.
103. And the main control computer determines the readable and writable times of the NFC chip according to the chip data.
After the main control computer receives the chip data, the main control computer analyzes the chip data by using an NFC program to obtain the readable and writable times of the NFC chip, specifically:
when the information is successfully written, adding one to the number of readable and writable times; when the information writing fails, the number of times of reading and writing is kept unchanged.
In this embodiment, the initial value of the number of times of writing and reading of the NFC chip may be 0 or NULL, and is not specifically limited herein.
104. The main control computer saves the readable and writable times.
In order to enable a user to inquire the readable and writable times corresponding to the NFC chip through the master control computer after determining the readable and writable times of the NFC chip, the master control computer is set to store the readable and writable times corresponding to the NFC chip and the unique identifier of the NFC chip to the local.
In this embodiment, the master controller may store the readable and writable times locally, or may store the readable and writable times in the cloud, which is not specifically limited herein.
105. The main control computer carries out visual display on the readable and writable times through the display module.
In order to increase friendly interaction between a user and the main control computer, the main control computer performs visual display on the determined readable and writable times corresponding to the NFC chip through the display module.
On the basis of communication between the logic board, the NFC chip and the main control computer, the main control computer sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control computer; the main control computer receives the chip data; and finally, the main control computer determines the read-write times of the NFC chip according to the chip data. The read-write times of the NFC chip can be directly determined through the master control machine, so that the read-write times of the NFC chip can be accurately determined.
Referring to fig. 2, another embodiment of the method for automatically detecting the read/write frequency of the NFC chip in the embodiment of the present application includes:
201. the inspection jig receives an execution instruction sent by the main control machine;
after the main control machine sends an execution instruction to the inspection jig, the inspection jig receives the execution instruction sent by the main control machine, wherein the execution instruction comprises a power supply instruction and a working instruction.
202. The inspection jig supplies power to the logic board according to the execution instruction, and controls the NFC detection equipment to detect the NFC chip through the control unit;
and after the inspection jig receives the execution instruction, the inspection jig supplies power to the logic board according to the power supply instruction in the execution instruction, and starts to work according to the working instruction in the execution instruction.
If the NFC chip is in the NFC antenna induction range in the NFC detection device, the NFC detection device detects the NFC chip, namely the NFC chip is connected with the logic board; after the NFC detection device detects the NFC chip, the NFC chip reads information in the NFC detection device, writes the information into a storage unit of the NFC chip, and finally sends chip data corresponding to the NFC chip to the logic board.
203. The inspection jig reads chip data of the NFC chip through the logic board;
after the NFC chip sends the chip data to the logic board, the inspection jig directly reads the chip data on the logic board, wherein the chip data comprise the unique identification of the NFC chip, the readable and writable times of the NFC chip and the storage data of the NFC chip.
204. The inspection jig sends the chip data to the main control computer, so that the main control computer determines the readable and writable times according to the chip data.
And after the inspection jig acquires the chip data, sending the chip data to the main control computer so that the main control computer can analyze and process the chip data to acquire the number of readable and writable times corresponding to the NFC chip.
Referring to fig. 3, an embodiment of a master controller in the embodiment of the present application includes:
the first sending unit 301 is configured to send an execution instruction to the inspection jig, so that the inspection jig supplies power to the logic board according to the execution instruction, and further reads chip data of the NFC chip through the logic board, and sends the chip data to the main control computer;
a first receiving unit 302 for receiving chip data;
a determining unit 303, configured to determine, according to the chip data, the number of times of writing and reading of the NFC chip.
In this embodiment, the main control computer may further include:
a saving unit 304 for saving the number of times of read/write.
In this embodiment, the main control computer may further include:
and a visualization unit 305, configured to visually display the readable and writable times through the display module.
In this embodiment, after the first sending unit 301 sends an execution instruction to the inspection jig, so that the inspection jig supplies power to the logic board according to the execution instruction, and further reads chip data of the NFC chip through the logic board, and sends the chip data to the host computer, the receiving unit 302 receives the chip data and sends the chip data to the determining unit 303, and the determining unit 303 determines the number of times of reading and writing of the NFC chip according to the chip data and sends the number of times of reading and writing to the storage unit 304 and the visualization unit 305; the storage unit 304 stores the number of times of reading and writing, and the visualization unit 305 visually displays the number of times of reading and writing through the display module.
Referring to fig. 4, an embodiment of the inspection jig in the embodiment of the present application includes:
a second receiving unit 401, configured to receive an execution instruction sent by the master controller;
a power supply/reading unit 402, configured to supply power to the logic board according to the execution instruction, and read chip data of the NFC chip through the logic board;
a second sending unit 403, configured to send the chip data to the master controller, so that the master controller determines the number of times of reading and writing according to the chip data.
In this embodiment, the inspection jig may further include:
and a detection unit 404, configured to control, by the control unit, the NFC detection device to detect the NFC chip.
In this embodiment, the inspection jig may further include:
a fixing unit 405 for fixing the logic board;
a control unit 406, configured to control the NFC detection device.
In this embodiment, the inspection jig uses the fixing unit 405 to fix the logic board, uses the control unit to communicate with the NFC detection device, and uses the control unit 405 to control the NFC detection device; after the main control machine sends an execution instruction to the inspection jig, the second receiving unit 401 of the inspection jig receives the execution instruction sent by the main control machine and sends the execution instruction to the power supply/reading unit 402; after the detection unit 404 controls the NFC detection device to detect the NFC chip through the control unit, the power supply/reading unit 402 supplies power to the logic board according to the execution instruction, reads chip data of the NFC chip through the logic board, and sends the chip data to the second sending unit 403, and the second sending unit 403 sends the chip data to the main control computer, so that the main control computer determines the number of times that the NFC chip can be read and written according to the chip data.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
Claims (10)
1. An NFC chip read-write frequency automatic detection method is characterized by comprising the following steps:
the main control machine sends an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control machine;
the main control computer receives the chip data;
and the main control computer determines the read-write times of the NFC chip according to the chip data.
2. The method for automatically detecting the number of times of reading and writing of the NFC chip according to claim 1, wherein after the host determines the number of times of reading and writing of the NFC chip according to the chip data, the method for automatically detecting the number of times of reading and writing of the NFC chip further comprises:
and the main control computer saves the readable and writable times.
3. The method for automatically detecting the number of times of reading and writing of the NFC chip according to claim 1 or 2, wherein after the host determines the number of times of reading and writing of the NFC chip according to the chip data, the method for automatically detecting the number of times of reading and writing of the NFC chip further includes:
and the main control computer carries out visual display on the readable and writable times through a display module.
4. An NFC chip read-write frequency automatic detection method is characterized by comprising the following steps:
the inspection jig receives an execution instruction sent by the main control machine;
the inspection jig supplies power to the logic board according to the execution instruction, and reads chip data of the NFC chip through the logic board;
and the inspection jig sends the chip data to the main control machine, so that the main control machine determines the read-write times according to the chip data.
5. The method for automatically detecting the number of times of reading and writing of the NFC chip according to claim 4, wherein before the chip data of the NFC chip is read, the method for automatically detecting the number of times of reading and writing of the NFC chip further includes:
the inspection jig controls the NFC detection equipment to detect the NFC chip through the control unit.
6. A master control machine, comprising:
the first sending unit is used for sending an execution instruction to the inspection jig so that the inspection jig supplies power to the logic board according to the execution instruction, chip data of the NFC chip are read through the logic board, and the chip data are sent to the main control computer;
a first receiving unit for receiving the chip data;
and the determining unit is used for determining the read-write times of the NFC chip according to the chip data.
7. The master control machine of claim 6, wherein said master control machine further comprises:
and the storage unit is used for storing the read-write times.
8. The master control machine according to claim 6 or 7, wherein the master control machine further comprises:
and the visualization unit is used for visually displaying the read-write times through the display module.
9. An inspection jig, comprising:
the second receiving unit is used for receiving an execution instruction sent by the main control computer;
the power supply/reading unit is used for supplying power to the logic board according to the execution instruction and reading chip data of the NFC chip through the logic board;
and the second sending unit is used for sending the chip data to the main control computer so that the main control computer can determine the read-write times according to the chip data.
10. The inspection jig of claim 9, further comprising:
and the detection unit is used for controlling the NFC detection equipment to detect the NFC chip through the control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111146832.0A CN113591500B (en) | 2021-09-29 | 2021-09-29 | NFC chip read-write frequency automatic detection method and device |
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| CN202111146832.0A CN113591500B (en) | 2021-09-29 | 2021-09-29 | NFC chip read-write frequency automatic detection method and device |
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