CN104834880B - A kind of card test method and system based on NFC mobile terminal - Google Patents
A kind of card test method and system based on NFC mobile terminal Download PDFInfo
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Abstract
The invention discloses a kind of card test method based on NFC mobile terminal and system, method includes：One proximity transducer is set near the NFC antenna of mobile terminal；Proximity transducer has detected whether that object is close, thinks that object is close when the distance for detecting object and proximity transducer is less than threshold value, when proximity transducer detected object close to when, start nfc card detection function；Card detection is proceeded by, judges whether detect card in first time period T2, then controls to close nfc card detection function when not detecting card in first time period T2；When detection has card in first time period T2, then obtain the information of the card and then stop detection.The method provided by this case, mobile terminal is starting after nfc card detects time-out without cycle detection, so as to avoid the defect that card cycle detection is brought.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of card test method based on NFC mobile terminal and
System.
Background technology
It is more next with the development of NFC (Near Field Communication, near-field communication) and mobile terminal
More mobile terminal configurations NFC function, NFC can be operated in Three models：Reading mode, mode card, ad hoc mode；Read
Under pattern, NFC is used as identification function of the card reader for all kinds card.Conventionally, as the species of card is various,
It is the progress card detection in the form of poll all kinds card when NFC is as card reader.Its detection process is exemplified below：
Card provided with three types；NFC starts card detection, performs following steps：
SQ1, NFC are configured to detect the card reader of the card of the first type, continue whether have card in detection time T1, if
There is card, then obtain the information of the card and then stop detection；SQ2 is performed if not blocking；
SQ2, NFC are configured to detect the card reader of the card of second of type, continue whether have card in detection time T1, if
There is card, then obtain the information of the card and then stop detection；SQ3 is performed if not blocking；
SQ3, NFC are configured to detect the card reader of the card of the third type, continue whether have card in detection time T1, if
There is card, then obtain the information of the card and then stop detection；SQ1 is performed if not blocking；
Wherein, T1 typically takes 20 milliseconds；And because it is that cannot know when to have card meeting quilt to start mobile terminal after card detection
Detect, it is therefore desirable to SQ1~SQ3 cycle detections；So that NFC is constantly in working condition, power consumption is higher；Both shifting had been occupied
Move the resource of terminal to run detection program, make mobile terminal power consumption higher again.
Therefore, prior art has yet to be improved and developed.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art is moved there is provided one kind based on NFC
The card test method and system of terminal.The present invention needs cycle detection until inspection for starting in the prior art after nfc card detection
Measure the defect of cassette tape：The present invention provides a kind of low-power consumption card test method based on NFC mobile terminal, is provided by this case
Method, mobile terminal after nfc card detection time-out is started without cycle detection so that avoid that card cycle detection brings lacks
Fall into.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of card test method based on NFC mobile terminal, wherein, including：
A, one proximity transducer of setting near the NFC antenna of mobile terminal；
B, proximity transducer have detected whether that object is close, when the distance for detecting object and proximity transducer is less than door
Think that object is close during limit value, when proximity transducer detected object close to when, start nfc card detection function；
C, proceed by card detection, judge whether detect card in first time period T2, when in first time period T2
Card is not detected then to control to close nfc card detection function；When detection has card in first time period T2, then the letter of the card is obtained
Breath and then stopping detection.
The described card test method based on NFC mobile terminal, wherein, the step A also includes：The position of proximity transducer
Put the central point for being arranged on NFC antenna induction range.
The described card test method based on NFC mobile terminal, wherein, the step C also includes：
If C0, proximity transducer detects original close object and left in card detection process, NFC is closed in control
Card detection function.
The described card test method based on NFC mobile terminal, wherein, include after the step C0：
If D, when proximity transducer detect object left rear proximity transducer detected again object close to when, control
System is again started up nfc card detection function, and performs step C.
The described card test method based on NFC mobile terminal, wherein, proceed by card detection tool in the step C
Body comprises the following steps：
C1, NFC are configured to detect the card reader of the card of the first type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C2 is performed if not blocking；
C2, NFC are configured to detect the card reader of the card of second of type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C3 is performed if not blocking；
C3, NFC are configured to detect the card reader of the card of the third type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C4 is performed if not blocking；
Whether C4, NFC are configured to detect the card reader of the card of N types, continue to have in the second time of detection time T1
Card, if card, then obtains the information of the card and then stops detection；Returned if not blocking and perform step C1, until first
Period T2 time-out does not detect card and then controls to close nfc card detection function.
Described card test method and system based on NFC mobile terminal, wherein, the first time period T2 is 2 seconds；The
Two time T1 are 20 milliseconds；
The card type class that the species N of card is supported by the NFC is determined.
The described card test method based on NFC mobile terminal, wherein, the step B also includes：When proximity transducer inspection
Think that object is close when measuring object distance less than thresholding, otherwise it is assumed that object has left；The threshold value is 6cm.
A kind of card detecting system based on NFC mobile terminal, wherein, including：
Setup module, for setting one near the NFC antenna of mobile terminal for detecting whether there is object close
Proximity transducer；
Object has detected whether that object is close for controlling proximity transducer close to detection module, when detecting object
Think that object is close when being less than threshold value with the distance of proximity transducer, when proximity transducer detected object close to when, open
Dynamic nfc card detection function；
Card detection control module, for controlling to proceed by card detection, judges whether detected in first time period T2
Card, then controls to close nfc card detection function when not detecting card in first time period T2；When the inspection in first time period T2
Survey has card, then obtains the information of the card and then stop detection.
The card detecting system based on NFC mobile terminal, wherein, it also includes：
First control module, if in card detection process proximity transducer detect original close object from
Open, then nfc card detection function is closed in control；
Judge module, for thinking that object is close when proximity transducer detects object distance less than thresholding, otherwise recognizes
Left for object；The threshold value is 6cm.
The card detecting system based on NFC mobile terminal, wherein, card detection control module includes：
First card detection unit, for controlling NFC to be configured to detect the card reader of the card of the first type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；
Second card detection unit, for controlling NFC to be configured to detect the card reader of the card of second of type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；
3rd card detection unit, for controlling NFC to be configured to detect the card reader of the card of the third type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；
N card detection units, for controlling NFC to be configured to detect the card reader of the card of N types, continue detection time
Whether there is card in second time T1, if card, then obtain the information of the card and then stop detection；
The first time period T2 is 2 seconds；Second time T1 is 20 milliseconds；
The card type class that the species N of card is supported by the NFC is determined.
Card test method and system provided by the present invention based on NFC mobile terminal, when user opens nfc card detection work(
During energy, the present invention has detected whether that object is leaned on by proximity transducer by setting a proximity transducer at NFC antenna
Closely, when have object close to when just start nfc card detection function, and in the case of not changing close to object, card is detected
A time is also provided with, it is not the cycle detection of cassette tape to prevent close object；With needing NFC continuous in the prior art
Cycle detection card is compared, and this case greatly reduces power consumption.
Brief description of the drawings
Fig. 1 is the flow chart of the preferred embodiment of the card test method of the invention based on NFC mobile terminal.
Fig. 2 is a kind of functional schematic block diagram of the preferred embodiment of the card detecting system based on NFC mobile terminal of the present invention.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without
It is of the invention in limiting.
Fig. 1 is referred to, Fig. 1 is the flow chart of the preferred embodiment of the card test method of the invention based on NFC mobile terminal.
A kind of card test method based on NFC mobile terminal shown in Fig. 1, including：
Step S110, one proximity transducer of setting near the NFC antenna of mobile terminal；
In the embodiment of the present invention, a proximity transducer is set near the NFC antenna of mobile terminal；For close sensing
The position of device does not have strict regulations, it is preferred that the position of proximity transducer is arranged on the central point of NFC antenna induction range, when
Right but position slightly has deviation and also may be used；Set in the present embodiment when user selects nfc card to detect function on mobile terminal UI interfaces
During unlatching, the actual card for not starting NFC detects function but allows access to sensor and detected whether that object is close.
Step S120, proximity transducer have detected whether that object is close, when detect object and proximity transducer away from
Think that object is close during from less than threshold value, when proximity transducer detected object close to when, start nfc card detection function.
In the embodiment of the present invention：Think when proximity transducer detects object from when being less than thresholding with a distance from proximity transducer
Object is close, otherwise it is assumed that object has left；Preferably the threshold value is 6cm.
When proximity transducer detected object close to when, start nfc card detection function and simultaneously enter step S130.
Step S130, proceed by card detection, judge whether detect card in first time period T2, when in the very first time
Card is not detected in section T2 then to control to close nfc card detection function；When detection has card in first time period T2, then obtaining should
Then the information of card stop detection.
In the embodiment of the present invention, card detection is proceeded by, judges whether detect card in first time period T2, when the
Card is not detected in one period T2 then to control to close nfc card detection function；When detecting there is card in first time period T2, then
Obtain the information of the card and then stop detection.Its first time period T2, it is preferred that taking 2 seconds.
If proximity transducer detects original close object and left in card detection process, nfc card is closed in control
Detect function.
And if when proximity transducer detect object left rear proximity transducer detected object close to when, control
System is again started up nfc card detection function, and performs step S130.
Wherein, the card detection that proceeds by the step S130 specifically includes following steps：
C1, NFC are configured to detect the card reader of the card of the first type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C2 is performed if not blocking；
C2, NFC are configured to detect the card reader of the card of second of type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C3 is performed if not blocking；
C3, NFC are configured to detect the card reader of the card of the third type, persistently detect in the second time T1 whether there is card,
If card, then obtain the information of the card and then stop detection；C4 is performed if not blocking；
……
Whether C4, NFC are configured to detect the card reader of the card of N types, continue to have in the second time of detection time T1
Card, if card, then obtains the information of the card and then stops detection；Returned if not blocking and perform step C1, until first
Period T2 time-out does not detect card and then controls to close nfc card detection function.
Wherein, the first time period T2 is 2 seconds；Second time T1 is 20 milliseconds；And the species N blocked is propped up by the NFC
The card type class held determines that such as NFC supports 9 kinds of cards then N=9；C1~C4 cycle detections are additionally needed, until first time period
T2 time-out does not detect card and then controls to close nfc card detection function.
The present invention is described in further details below by way of a specific Application Example：
A kind of card test method based on NFC mobile terminal that concrete application embodiment of the present invention is provided, including following step
Suddenly：
Step S1, the detection threshold for being positioned proximate to sensor；And open proximity test function；
The step S1, set detection threshold is 6cm, when proximity transducer detection after proximity test function is opened
Think that object is close when being less than thresholding to object distance, otherwise it is assumed that object has left；Detect object close to or when leaving
Proximity transducer will export different level, for example close to when export high level, low level is exported when leaving；So as to only need basis
The low and high level of proximity transducer output determines whether that object is close.
Step S2, when proximity transducer detected object close to when, start nfc card detection function；
The step S2, specifically includes following steps：
Step S2-1, NFC module is configured to reading mode；
Step S2-2, circulation perform card detection, until detecting card；The circulation performs card detection and referred in execution
Step C1~C4 is stated, will also stop card detection after card is detected, then only detected object when being again close to sensor
When close, it can just start nfc card detection function；
The step S2, it has the limitation of execution time, when card detection time exceedes first time period T2（It is preferred that
T2 is 2 seconds）Card detection will be stopped；Then only when be again close to detection module 12 detected object close to when, can just start
Nfc card detects function；
The step S2, when circulation performs card detection, leaves if proximity test module 12 detects object, also will
Stop card detection；Then only when be again close to detection module 12 detected object close to when, can just start nfc card detection work(
Energy.
Therefore, the present invention provides a kind of low-power consumption card test method based on NFC mobile terminal, is provided by this case
Method, mobile terminal after nfc card detection time-out is started without cycle detection so that avoid that card cycle detection brings lacks
Fall into.
Based on above method embodiment, present invention also offers a kind of card detecting system based on NFC mobile terminal, such as scheme
Shown in 2, the system includes：
Setup module 210, for setting one near the NFC antenna of mobile terminal for detecting whether there is object close
Proximity transducer；As detailed above.
Object has detected whether that object is close for controlling proximity transducer close to detection module 220, when detecting thing
The distance of body and proximity transducer be less than threshold value when think that object is close, when proximity transducer detected object close to when,
Start nfc card detection function；As detailed above.
Card detection control module 230, for controlling to proceed by card detection, judges whether detected in first time period T2
To card, then control to close nfc card detection function when not detecting card in first time period T2；When in first time period T2
Detection has card, then obtains the information of the card and then stop detection；As detailed above.
The card detecting system based on NFC mobile terminal, wherein, it also includes：
First control module 240, if in card detection process proximity transducer detected original close object
Leave, then nfc card detection function is closed in control；As detailed above.
Judge module 250, for thinking that object is close when proximity transducer detects object distance less than thresholding, otherwise
Think that object has left；The threshold value is 6cm；As detailed above.
The card detecting system based on NFC mobile terminal, wherein, card detection control module includes：
First card detection unit, for controlling NFC to be configured to detect the card reader of the card of the first type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；C2 is performed if not blocking；
As detailed above.
Second card detection unit, for controlling NFC to be configured to detect the card reader of the card of second of type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；C3 is performed if not blocking；
As detailed above.
3rd card detection unit, for controlling NFC to be configured to detect the card reader of the card of the third type, persistently detects the
Whether there is card in two time T1, if card, then obtain the information of the card and then stop detection；C4 is performed if not blocking；
As detailed above.
N card detection units, for controlling NFC to be configured to detect the card reader of the card of N types, continue detection time
Whether there is card in second time T1, if card, then obtain the information of the card and then stop detection；As detailed above.
The first time period T2 is 2 seconds；Second time T1 is 20 milliseconds；
The card type class that the species N of card is supported by the NFC is determined；As detailed above.
In summary, card test method and system provided by the present invention based on NFC mobile terminal, when user opens
When nfc card detects function, the present invention is to detect by proximity transducer by setting a proximity transducer at NFC antenna
It is no to have object close, when have object close to when just start nfc card detection function, and situation about not changing when close object
Under, card detection is also provided with a time, and it is not the cycle detection of cassette tape to prevent close object；With needing in the prior art
The continuous cycle detection cards of NFC are wanted to compare, this case greatly reduces power consumption.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (9)
1. a kind of card test method based on NFC mobile terminal, it is characterised in that including：
A, one proximity transducer of setting near the NFC antenna of mobile terminal；
B, proximity transducer have detected whether that object is close, when the distance for detecting object and proximity transducer is less than threshold value
When think that object is close, when proximity transducer detected object close to when, start nfc card detection function；
C, proceed by card detection, judge whether detect card in first time period T2, do not have when in first time period T2
Card is detected then to control to close nfc card detection function；When detection has card in first time period T2, then the information for obtaining the card is right
Stop detection afterwards；
The card detection that proceeds by the step C specifically includes following steps：
C1, NFC are configured to detect the card reader of the card of the first type, persistently detect in the second time T1 whether there is card, if
There is card, then obtain the information of the card and then stop detection；C2 is performed if not blocking；
C2, NFC are configured to detect the card reader of the card of second of type, persistently detect in the second time T1 whether there is card, if
There is card, then obtain the information of the card and then stop detection；C3 is performed if not blocking；
C3, NFC are configured to detect the card reader of the card of the third type, persistently detect in the second time T1 whether there is card, if
There is card, then obtain the information of the card and then stop detection；C4 is performed if not blocking；
C4, NFC are configured to detect the card reader of the card of N types, continue whether have card in the second time of detection time T1, such as
Fruit has card, then obtains the information of the card and then stop detection；Returned if not blocking and perform step C1, until first time period
T2 time-out does not detect card and then controls to close nfc card detection function；
Set when user selects nfc card to detect that function is opened on mobile terminal UI interfaces, the actual card inspection for not starting NFC
Brake but allow access to sensor and detected whether that object is close, reduce mobile terminal power consumption.
2. the card test method according to claim 1 based on NFC mobile terminal, it is characterised in that the step A is also wrapped
Include：The position of proximity transducer is arranged on the central point of NFC antenna induction range.
3. the card test method according to claim 1 based on NFC mobile terminal, it is characterised in that the step C is also wrapped
Include：
If C0, proximity transducer detects original close object and left in card detection process, nfc card inspection is closed in control
Brake.
4. the card test method according to claim 3 based on NFC mobile terminal, it is characterised in that the step C0 it
After include：
If D, when proximity transducer detect object left rear proximity transducer detected again object close to when, control again
Secondary startup nfc card detection function, and perform step C.
5. the card test method according to claim 1 based on NFC mobile terminal, it is characterised in that the very first time
Section T2 is 2 seconds；Second time T1 is 20 milliseconds；
The card type class that the species N of card is supported by the NFC is determined.
6. the card test method according to claim 1 based on NFC mobile terminal, it is characterised in that the step B is also wrapped
Include：Think that object is close when proximity transducer detects object distance less than thresholding, otherwise it is assumed that object has left；The door
Limit value is 6cm.
7. a kind of card detecting system based on NFC mobile terminal, it is characterised in that including：
Setup module, for setting one near the NFC antenna of mobile terminal for detecting whether thering is object is close to approach
Sensor；
Object has detected whether that object is close for controlling proximity transducer close to detection module, when detecting object with connecing
The distance of nearly sensor thinks that object is close when being less than threshold value, when proximity transducer detected object close to when, start NFC
Card detection function；
Card detection control module, for controlling to proceed by card detection, judges whether detect card in first time period T2, when
Card is not detected in first time period T2 then to control to close nfc card detection function；Have when being detected in first time period T2
Card, then obtain the information of the card and then stop detection；
Card detection control module includes：
First card detection unit, for controlling NFC to be configured to detect the card reader of the card of the first type, when persistently detecting second
Between whether have card in T1, if card, then obtain the information of the card and then stop detection；
Second card detection unit, for controlling NFC to be configured to detect the card reader of the card of second of type, when persistently detecting second
Between whether have card in T1, if card, then obtain the information of the card and then stop detection；
3rd card detection unit, for controlling NFC to be configured to detect the card reader of the card of the third type, when persistently detecting second
Between whether have card in T1, if card, then obtain the information of the card and then stop detection；
N card detection units, for controlling NFC to be configured to detect the card reader of the card of N types, continue detection time second
Whether there is card in time T1, if card, then obtain the information of the card and then stop detection；The species N of card is supported by the NFC
Card type class determine；
Set when user selects nfc card to detect that function is opened on mobile terminal UI interfaces, the actual card inspection for not starting NFC
Brake but allow access to sensor and detected whether that object is close, reduce mobile terminal power consumption.
8. the card detecting system based on NFC mobile terminal according to claim 7, it is characterised in that it also includes：
First control module, if in card detection process proximity transducer detect original close object and left,
Nfc card detection function is closed in control；
Judge module, for thinking that object is close when proximity transducer detects object distance less than thresholding, otherwise it is assumed that thing
Body has left；The threshold value is 6cm.
9. the card detecting system based on NFC mobile terminal according to claim 7, it is characterised in that
The first time period T2 is 2 seconds；Second time T1 is 20 milliseconds.
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| CN108882207B (en) * | 2017-05-08 | 2022-04-22 | 阿里巴巴集团控股有限公司 | Method and device for realizing near-field trigger function |
| CN107067074A (en) * | 2017-05-11 | 2017-08-18 | 山东新巨丰泰东包装有限公司 | A kind of printed matter method of counting |
| CN108109254A (en) * | 2018-02-08 | 2018-06-01 | 深圳坚朗海贝斯智能科技有限公司 | A kind of detection contactless card intelligent electronic lock system and its control method in real time |
| CN110190874B (en) * | 2019-05-13 | 2021-06-22 | 惠州Tcl移动通信有限公司 | NFC detection control method of mobile terminal, mobile terminal and storage medium |
| CN111107219B (en) * | 2019-11-20 | 2021-06-22 | 维沃移动通信有限公司 | Control method and electronic equipment |
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