CN110365847A - A kind of power control system based on NFC, control method and electronic product - Google Patents
A kind of power control system based on NFC, control method and electronic product Download PDFInfo
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- CN110365847A CN110365847A CN201910678044.2A CN201910678044A CN110365847A CN 110365847 A CN110365847 A CN 110365847A CN 201910678044 A CN201910678044 A CN 201910678044A CN 110365847 A CN110365847 A CN 110365847A
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- user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of power control system based on NFC, control method and electronic product, this method includes instruction area write instruction information of the user terminal to NFC chip, and described instruction information includes id information, switching on and shutting down instruction；Instruction area excites the ID trusty stored in the equipment of id information described in microcomputer reads and NFC chip certification area after receiving；Microprocessor carries out authentication to the id information in described instruction information according to the ID trusty read；When the id information meets certification, the switching on and shutting down instruction in described instruction information is read, and is switched on accordingly according to the switching on and shutting down instruction execution read or shutdown command.The present invention can eliminate the interference of other users terminal, keep communication safer by the way that corresponding authentication condition is arranged；And be arranged accordingly with user-to-user information interaction channel, so that user terminal is obtained the effective information feedback of system in time, so that both sides be allow to complete efficient communication.
Description
Technical field
The present invention relates to portable product power supply control technology fields more particularly to a kind of power supply based on NFC to control system
System, control method and electronic product.
Background technique
For portable electronic product, since they are all powered using battery in most cases, so energy-saving design
It is a very important demand.In addition, certain special portable formula electronic products for out on tours crowd, can use non-
Its function is completed in contact manipulation, that is to say, that user does not need at any time to take the product, but is mounted to
In knapsack or handbag or on bicycle luggage carrier, and wirelessly it is in communication with other intelligent and portable equipment
And control.The example of this kind of product includes portable radio, flash memory device etc..People need using these products when
It waits, is usually kept in motion, it is very inconvenient that it, which is taken out, opened from the position of placement,.Therefore, if designing a kind of machine
System, make these products do not need using when the standby mode in super low-power consumption, while other intelligent handholds can be used
Equipment carries out contactless startup and shutdown control operation to it, it will offers convenience to the user of these products, simultaneously
It can achieve energy-saving and environment-friendly purpose again.
It is realized using near-field communication (NFC) to the switch control of electronic product power source, can achieve above-mentioned purpose.But mesh
Preceding relevant product and technology are all using the close product for having NFC circuit of smart phone for supporting NFC reader, the latter
Once the presence of perception electric field turns on this plain mode of own power source.Although this thinking may be implemented that " mobile phone is close
With regard to booting " purpose, but first lacks authentication to mobile phone, cause other people mobile phone close to can also open equipment；
Second lacks the interaction mechanism before mobile phone and equipment, can not be into so that whether mobile phone is successful for device power-up, power-off operation
Row confirmation, and then can not accurately make decision for whether and when opening normal communication between equipment and control, only
The raw mode of " failure, then retry " can be taken, this greatly reduces the availability of equipment and the communication efficiency of both sides.
Summary of the invention
An object of the present invention at least that, for how to overcome the above-mentioned problems of the prior art, provide one kind
Electronic product power source control method and system based on NFC can make electronic product not by other by effective authentication
The interference of user terminal to make communication more safely, effectively, and by the interaction of corresponding power supply control instruction, realizes peace
Complete efficient non-contact switch machine operation.
To achieve the goals above, the technical solution adopted by the present invention includes following aspects.
A kind of power control method based on NFC, comprising:
For user terminal based on NFC communication to the instruction area write instruction information of NFC chip, described instruction information includes ID letter
Breath and switching on and shutting down instruction；The id information is user terminal self-ID information；
The instruction area of NFC chip excites the ID in microcomputer reads described instruction information to believe after receiving NFC communication signal
The user terminal ID trusty stored in the equipment of breath and NFC chip certification area；Microprocessor is credible according to what is read
The user terminal ID appointed carries out authentication to the id information in described instruction information；
When the id information meets certification, the switching on and shutting down in the microcomputer reads described instruction information are instructed, and
It is switched on accordingly according to the switching on and shutting down instruction execution read or shutdown command；When the id information does not meet certification, terminate
With the communication of the user terminal.
Preferably, in a kind of power control method based on NFC, the microprocessor is according to the use trusty read
Family Termination ID carries out authentication to the id information in described instruction information specifically:
The id information is compared with the user terminal ID trusty read, when the id information and institute read
When stating that the user terminal ID trusty that stores is consistent in equipment certification area, judge that the user terminal ID meets certification；Work as reading
The id information got and when the user terminal ID trusty stored in equipment certification area inconsistent, judges the id information
Certification is not met.
Preferably, in a kind of power control method based on NFC, when corresponding according to the switching on and shutting down instruction execution read
After booting or shutdown command, response message of the microprocessor to the write-in of the acknowledgement field of NFC chip for user terminal reading.
Preferably, in a kind of power control method based on NFC, setting delay reads the response letter to user terminal
After breath, command information that microprocessor empty user terminal is written to the instruction area of NFC chip.
Preferably, in a kind of power control method based on NFC, when the id information does not meet certification, microprocessor
The unverified information of equipment read to the write-in of the acknowledgement field of NFC chip for user terminal, setting delay are read to user terminal
After the unverified information of equipment, the command information that microprocessor empty user terminal is written to the instruction area of NFC chip, and eventually
Only with the communication of the user terminal.
It further include a kind of power control system based on NFC in further embodiment of the present invention.The system includes:
NFC chip, the NFC chip include repeat-back area and equipment certification area；
Wherein, equipment certification area is configured as being only capable of being written and read by microprocessor, and for storage by micro-
Manage the user terminal ID trusty of device write-in；
Described instruction acknowledgement field includes: instruction area and acknowledgement field, and described instruction area is logical based on NFC for receiving user terminal
Believe the command information of write-in and level of drive signal is sent to microprocessor based on the NFC communication signal received；Described instruction letter
Breath includes that id information and switching on and shutting down instruct；The id information is user terminal self-ID information；The acknowledgement field is used for by micro-
It manages device and corresponding response message or the unverified information of equipment is written；
Microprocessor, the microprocessor are used to that user terminal ID trusty to be written to equipment certification area；And it is used for
It is stored in id information and equipment certification area under the excitation of the level of drive signal in reading described instruction information credible
The user terminal ID appointed, and body is carried out to the id information in described instruction information according to the user terminal ID trusty read
Part certification；When the id information meets certification, the switching on and shutting down instruction in described instruction information is read, according to the switch read
Machine instructs and sends the first enable signal or the second enable signal to power module, and response message is written to the acknowledgement field；And
When the id information does not meet certification, the unverified information of the acknowledgement field Xiang Suoshu write device, and terminate and the user terminal
Communication；
Power module, the power module are used to be held according to first enable signal or the second enable signal that receive
The corresponding power supply of row or power operation, to complete corresponding booting or power-off operation.
Preferably, in a kind of power control system based on NFC, the microprocessor is also used to read institute in user terminal
After stating response message or the unverified information of equipment in acknowledgement field, finger that empty user terminal is written to the instruction area of NFC chip
Enable information.
Preferably, in a kind of power control system based on NFC, the NFC communication uses ISO communication protocol or IEC
14443 communication protocols.
Preferably, in a kind of power control system based on NFC, the microprocessor is based on I2C bus and the NFC core
Piece is communicated.
Further include a kind of electronic product in further embodiment of the present invention, includes above-mentioned be based in the electronic product
The power control system of NFC.
In conclusion by adopting the above-described technical solution, the present invention at least has the advantages that
It, can reading terminals be opened again after user terminal identity meets certification by the way that corresponding authentication condition is arranged
Shutdown control instruction, eliminates the interference of other users terminal, to keep communication safer；
By being arranged accordingly with user-to-user information interaction channel, user terminal is enable to obtain the effective of system in time
Information feedback, so that both sides be allow to complete efficient communication.
Detailed description of the invention
Fig. 1 is a kind of power control method process based on NFC of electronic product according to an exemplary embodiment of the present invention
Figure.
Fig. 2 is a kind of electronic product power source control based on NFC of electronic product according to an exemplary embodiment of the present invention
System Working Principle figure.
Specific embodiment
With reference to the accompanying drawings and embodiments, the present invention will be described in further detail, so that the purpose of the present invention, technology
Scheme and advantage are more clearly understood.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.
Fig. 1 shows the according to an exemplary embodiment of the present invention kind of electronic product power source control method based on NFC.The reality
The method for applying example specifically includes that
For user terminal based on NFC communication to the instruction area write instruction information of NFC chip, described instruction information includes ID letter
Breath and switching on and shutting down instruction；The id information is user terminal self-ID information；
The instruction area of NFC chip excites the ID in microcomputer reads described instruction information to believe after receiving NFC communication signal
The user terminal ID trusty stored in the equipment of breath and NFC chip certification area；Microprocessor is credible according to what is read
The user terminal ID appointed carries out authentication to the id information in described instruction information；
When the id information meets certification, the switching on and shutting down in the microcomputer reads described instruction information are instructed, and
It is switched on accordingly according to the switching on and shutting down instruction execution read or shutdown command；When the id information does not meet certification, terminate
With the communication of the user terminal.
Further, the power supply control Fig. 2 shows electronic product according to an exemplary embodiment of the present invention and its based on NFC
The block diagram of system processed, which includes: power control system and normal work component based on NFC.Wherein, it is based on NFC
Power control system include: NFC chip (chip include SDRAM in specify start-stop address instruction area and acknowledgement field, and
The equipment that start-stop address is specified in EEPROM authenticates area), MCU (microprocessor), power module (usually DC/DC converter).
The output of power module can be the normal work components with power of electronic product.In addition power control system itself should be supplied independently
Electricity.
Further, as shown in Fig. 2, in the EERPOM of NFC chip, the region of one piece of specified start-stop address is used to save
By MCU write-in the smart phone by certification device id, referred to as " equipment certification area ", the region can only by MCU be written and
It reads；In the SDRAM of NFC chip, the region for having one piece of specified start-stop address is to refer to for caching the operation that smart phone is sent
It enables, referred to as " instruction area ", which can be written and be read by user terminal and MCU；In the SDRAM of NFC chip, there is another piece
The region of specified start-stop address is the operating result response for caching MCU, referred to as " acknowledgement field ", the region can by MCU and
Smart phone write-in and reading.The user terminal is to support smart phone or tablet computer of near field communication (NFC) function etc., with band
For having the smart phone of NFC communication, smart phone passes through in NFC communication (ISO/IEC14443 agreement) and power control system
NFC chip is communicated, and power module, which has enabled (EN) control pin, (to be made to can control power supply when pin input is particular level
Module just has power output, otherwise closes output), it is connected to some GPIO of MCU.In addition, some of MCU interrupts input
Pin should be connected to the induced voltage output interface of NFC chip, this connection guarantee NFC the energy for capturing NFC electric field,
After generating voltage output, the system break of MCU can be triggered；Finally, MCU can also pass through the normal of universal serial bus and electronic product
Workpiece is communicated.And the electronic product can also carry out switching on and shutting down by traditional button power switch.
Specifically, when electronic product works normally authentication, step can be carried out to the smart phone for manipulating it are as follows:
The device id of itself is sent to electronic product, the operation opponent for working normally component and passing through respective interface of electronic product by mobile phone
Machine carries out authentication, by the way that the device id of smart phone is sent to the micro- of power control system by universal serial bus after verifying
The ID equipment for being written to NFC chip is authenticated the area i.e. region EERPOM of NFC chip by processor MCU, MCU.By NFC chip
The region EERPOM saves as user terminal ID trusty, in order to the authentication carried out to user terminal.
Further, it when electronic product is in standby, can be opened under the control by the smart phone of certification
Shutdown, smart phone open NFC, close to electronic product (generally within 10 centimetres), detect electronic product power source control
The NFC of system processed；NFC communication is then based on to the instruction area of NFC chip write-in " device power-up " or " equipment shutdown " instruction (note
The instruction of anticipating further includes the device id of smart phone).When NFC chip receives the electric energy that smart phone is excited by NFC electric field
When, a level of drive pulse, the system break of pulse excitation MCU, the interruption meeting can be exported in induced voltage output port
Triggering MCU is performed the following operations: waiting certain time (guaranteeing that smart phone can write the instruction into instruction area)；
Then carry out the authentication for user terminal: MCU reads id information and equipment in the instruction area of NFC chip
The trusted user terminal ID stored in certification area, and some in the id information in decision instruction information and equipment certification area can
Whether consistent trust user terminal ID, if microprocessor determines that the user terminal does not meet certification without consistent ID,
And to NFC chip acknowledgement field be written " equipment is unverified " information, then delay wait user terminal from acknowledgement field read described in set
After standby unverified information, the command information that the user terminal is written to the instruction area of NFC chip is emptied, is terminated and the user terminal
Communication.
If there is consistent ID, then microprocessor determines that the user terminal meets certification, and reads described instruction information
Acquisition instruction type, and execute booting or power-off operation.If the command information read is power-on instruction, MCU control refers to
Fixed GPIO enables power module (sending the first enable signal to power module), exports power module, just for electronic product
Normal workpiece power supply.If the command information read is shutdown command, the specified GPIO of MCU control (is sent to power module
Second enable signal), close power module output；And show to operate successful response to acknowledgement field write-in；Delay waits intelligence
Mobile phone reads flush instructions area after the response message in acknowledgement field.Smart phone read acknowledgement field, know booting or shutdown at
Subsequent operation (if it is being switched on successfully, then carry out normal communication control with electronic product and operate) can be performed in function.
In further embodiment of the present invention, user is had using of the present invention based on NFC power control system
Portable electronic product when, the smart phone for the support NFC that it is held can be passed through；Electronics is opened using conventional keys mode to produce
Product power supply is communicated with the tool software on smart phone with electronic product, and the device id of smart phone is written to electronics
" the equipment certification area " of product power control system.When going on business or travelling, user by the electronic product be placed on knapsack,
Handbag, bicycle luggage carrier etc. are closely in；And the electronic product is in off-mode, when user needs to open electronic product
When, it does not need to take out it from knapsack, handbag or bicycle luggage carrier, it is only necessary to which the tool for opening smart phone is soft
Part, smart phone is then placed into the NFC apart from electronic product normally can be within communication range (generally 10 centimetres), then
Using NFC communication, power-on instruction is sent to the power control system of electronic product, and obtains the successful response of booting；User makes
Completing normal function with electronic product, (broadcast listening, Backup Data etc., which do not need contact or with the naked eye viewing, can be completed
Function).Simultaneously after having used electronic product, when needing to close the electronic product: user does not need it from knapsack, portable yet
It is taken out on bag or bicycle luggage carrier, it is only necessary to the tool software (NFC communication button) of smart phone will be opened, then intelligent hand
Then machine, which is placed into the NFC apart from electronic product, normally can utilize tool software within communication range (generally 10 centimetres), to
The power control system of electronic product sends shutdown command, and obtains the successful response of shutdown, brings greatly just for user
Benefit.
The above, the only detailed description of the specific embodiment of the invention, rather than limitation of the present invention.The relevant technologies
The technical staff in field is not in the case where departing from principle and range of the invention, various replacements, modification and the improvement made
It should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of power control method based on NFC, which is characterized in that the described method includes:
User terminal based on NFC communication to the instruction area write instruction information of NFC chip, described instruction information include id information and
Switching on and shutting down instruction；The id information is user terminal self-ID information；
The instruction area of NFC chip receive the id information excited after NFC communication signal in microcomputer reads described instruction information, with
And the user terminal ID trusty stored in the equipment certification area of NFC chip；Microprocessor is trusty according to what is read
User terminal ID carries out authentication to the id information in described instruction information；
When the id information meets certification, the switching on and shutting down in the microcomputer reads described instruction information are instructed, and according to
The switching on and shutting down instruction execution read is switched on accordingly or shutdown command；When the id information does not meet certification, termination and institute
State the communication of user terminal.
2. the method according to claim 1, wherein the microprocessor is according to the user trusty read
Termination ID carries out authentication to the id information in described instruction information specifically:
The id information is compared with the user terminal ID trusty read, when the id information read is set with described
When the user terminal ID trusty stored in standby certification area is consistent, judge that the user terminal ID meets certification；When reading
Id information and equipment certification area in the user terminal ID trusty that stores it is inconsistent when, judge that the id information is not inconsistent
Close certification.
3. the method according to claim 1, wherein being opened accordingly when according to the switching on and shutting down instruction execution read
After machine or shutdown command, response message of the microprocessor to the write-in of the acknowledgement field of NFC chip for user terminal reading.
4. according to the method described in claim 3, it is characterized in that, setting delay, reads the response message to user terminal
Afterwards, the command information that microprocessor empty user terminal is written to the instruction area of NFC chip.
5. the method according to claim 1, wherein when the id information does not meet certification, microprocessor to
The unverified information of equipment that the acknowledgement field write-in of NFC chip is read for user terminal, setting delay read institute to user terminal
After stating the unverified information of equipment, the command information that microprocessor empty user terminal is written to the instruction area of NFC chip, and terminate
With the communication of the user terminal.
6. a kind of power control system based on NFC characterized by comprising
NFC chip, the NFC chip include repeat-back area and equipment certification area；
Wherein, equipment certification area is configured as being only capable of being written and read by microprocessor, and for storage by microprocessor
The user terminal ID trusty of write-in；
Described instruction acknowledgement field includes: instruction area and acknowledgement field, and described instruction area is write for receiving user terminal based on NFC communication
The command information that enters simultaneously sends level of drive signal to microprocessor based on the NFC communication signal received；Described instruction packet
Include id information, switching on and shutting down instruction；The id information is user terminal self-ID information；The acknowledgement field by microprocessor for being write
Enter corresponding response message or the unverified information of equipment；
Microprocessor, the microprocessor are used to that user terminal ID trusty to be written to equipment certification area；And for described
It is stored in id information and equipment certification area under the excitation of level of drive signal in reading described instruction information trusty
User terminal ID, and identity is carried out to the id information in described instruction information according to the user terminal ID trusty read and is recognized
Card；When the id information meets certification, the switching on and shutting down instruction in described instruction information is read, is referred to according to the switching on and shutting down read
It enables and sends the first enable signal or the second enable signal to power module, and response message is written to the acknowledgement field；And work as institute
When stating id information and not meeting certification, the unverified information of the acknowledgement field Xiang Suoshu write device, and terminate logical with the user terminal
Letter；
Power module, the power module are used to execute phase according to first enable signal or the second enable signal that receive
The power supply answered or power operation, to complete corresponding booting or power-off operation.
7. system according to claim 6, which is characterized in that described in the microprocessor is also used to read in user terminal
After the unverified information of response message or equipment in acknowledgement field, instruction that empty user terminal is written to the instruction area of NFC chip
Information.
8. system according to claim 6, which is characterized in that the NFC communication uses ISO communication protocol or IEC
14443 communication protocols.
9. system according to claim 6, which is characterized in that the microprocessor is based on I2C bus and the NFC chip
It is communicated.
10. a kind of electronic product, which is characterized in that the electronic product includes described in claim 6-9 any based on NFC's
Power control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910678044.2A CN110365847A (en) | 2019-07-25 | 2019-07-25 | A kind of power control system based on NFC, control method and electronic product |
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|---|---|---|---|
| CN201910678044.2A CN110365847A (en) | 2019-07-25 | 2019-07-25 | A kind of power control system based on NFC, control method and electronic product |
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| CN201910678044.2A Pending CN110365847A (en) | 2019-07-25 | 2019-07-25 | A kind of power control system based on NFC, control method and electronic product |
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| CN111835387A (en) * | 2020-08-04 | 2020-10-27 | 同方计算机有限公司 | NFC and wireless charging module, mobile phone and computer |
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| CN115016625A (en) * | 2022-05-31 | 2022-09-06 | 维沃移动通信有限公司 | Electronic equipment control method, electronic equipment and electronic equipment set |
| CN115016624A (en) * | 2022-05-27 | 2022-09-06 | 维沃移动通信有限公司 | Electronic equipment and electronic equipment set |
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Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |