CN104156748B - Method for reading and writing label and device thereof - Google Patents
Method for reading and writing label and device thereof Download PDFInfo
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- CN104156748B CN104156748B CN201410412092.4A CN201410412092A CN104156748B CN 104156748 B CN104156748 B CN 104156748B CN 201410412092 A CN201410412092 A CN 201410412092A CN 104156748 B CN104156748 B CN 104156748B
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Abstract
The embodiment of the invention discloses a method for reading and writing a label and a device thereof. The method comprises the steps: (1) when near field communication (NFC) card reading equipment enters into the sensing range of an NFC label, the NFC card reading equipment determines the operation type of operating the NFC label, (2) if the operation type is a data reading type, the NFC card reading equipment obtains the times of reading data from the NFC label by the NFC card reading equipment according to the counting circuit of the NFC label, (3) the NFC card reading equipment determines the address information of the read data from the NFC label by the NFC card reading equipment according to the numbers, and (4) the NFC card reading equipment reads data from the NFC label according to the determined address information. According to the technical scheme of the embodiment of the invention, the application range of the NFC label can be expanded.
Description
Technical field
The present invention relates to radio network technique field, and in particular to a kind of method and device of read write tag.
Background technology
Near field communication (NFC) (NFC) has become one of basic function of mobile terminal, used as the basic training of NFC
One of can, the application scenarios that mobile terminal reads NFC label are also more and more.In people's daily life, can using NFC label
With record information or logging software operating process, can greatly simplify the operation of mobile terminal.
But at present NFC label has some limitations when in use, when data are write, it is necessary to disposable all to write
Enter, it is impossible to write several times, be also disposable all readings, it is impossible to read different values by several times when data are read, it is this
Limitation has a strong impact on the range of application of NFC label, and then affects promoting the use of for NFC label.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of method and device of read write tag, to extend the application of NFC label
Scope.
In a first aspect, a kind of method of reading label is embodiments provided, including：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC Card Readers set
It is standby to determine the action type operated to the NFC label；
If the action type is reading data type, counting circuit of the NFC card-reading apparatus according to the NFC label
Obtain the number of times that the NFC card-reading apparatus have read data from the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus read data from the NFC label according to the number of times
Address information；
NFC card-reading apparatus address information according to determined by reads data from the NFC label.
Second aspect, the embodiment of the present invention additionally provides a kind of method for writing label, including：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC Card Readers set
It is standby to determine the action type operated to the NFC label；
If the action type is to write data type, counting circuit of the NFC card-reading apparatus according to the NFC label
The NFC card-reading apparatus are obtained to the number of times of written data in the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus write data in the NFC label according to the number of times
Address information；
The data of the NFC card-reading apparatus are write the NFC by NFC card-reading apparatus address information according to determined by
Label.
The third aspect, the embodiment of the present invention additionally provides a kind of method of read write tag, including：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC Card Readers set
It is standby to determine the action type operated to the NFC label；
If the action type is to read data type, the NFC card-reading apparatus are counted according to the first of the NFC label
Circuit obtains the number of times that the NFC card-reading apparatus have read data from the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus read data from the NFC label according to the number of times
Address information；
NFC card-reading apparatus address information according to determined by reads data from the NFC label；
If the action type is to write data type, the NFC card-reading apparatus are counted according to the second of the NFC label
Circuit obtains number of times of the NFC card-reading apparatus to written data in the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus write data in the NFC label according to the number of times
Address information；
The data of the NFC card-reading apparatus are write the NFC by NFC card-reading apparatus address information according to determined by
Label.
Fourth aspect, the embodiment of the present invention additionally provides a kind of device of reading label, including：
Action type acquiring unit, for entering the sensing of NFC label when near field communication (NFC) NFC card-reading apparatus
During scope, the NFC card-reading apparatus determine the action type operated to the NFC label；
Number of times acquiring unit, if for the action type to read data type, the NFC card-reading apparatus are according to described
The counting circuit of NFC label obtains the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit, for the NFC card-reading apparatus according to the number of times determine the NFC card-reading apparatus from
The address information of data is read in the NFC label；
Data-reading unit, for the NFC card-reading apparatus, the address information according to determined by is read from the NFC label
Fetch data.
5th aspect, the embodiment of the present invention additionally provides a kind of device for writing label, including：
Action type acquiring unit, for entering the sensing of NFC label when near field communication (NFC) NFC card-reading apparatus
During scope, the NFC card-reading apparatus determine the action type operated to the NFC label；
Write number of times acquiring unit, if for the action type to write data type, the NFC card-reading apparatus according to
The counting circuit of the NFC label obtains number of times of the NFC card-reading apparatus to written data in the NFC label；
Address information determining unit, for the NFC card-reading apparatus according to the number of times determine the NFC card-reading apparatus to
The address information of data is write in the NFC label；
Data write unit, for the NFC card-reading apparatus according to determined by address information by the NFC card-reading apparatus
Data write the NFC label.
6th aspect, the embodiment of the present invention additionally provides a kind of device of read write tag, including：
Action type acquiring unit, for entering the sensing of NFC label when near field communication (NFC) NFC card-reading apparatus
During scope, the NFC card-reading apparatus determine the action type operated to the NFC label；
Reading times acquiring unit, if for the action type for read data type, the NFC card-reading apparatus according to
First counting circuit of the NFC label obtains the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit is read, the number of times for having read data according to for the NFC card-reading apparatus determines
The NFC card-reading apparatus read the address information of data from the NFC label；
Data-reading unit, for the NFC card-reading apparatus, the address information according to determined by is read from the NFC label
Fetch data；
Write number of times acquiring unit, if for the action type to write data type, the NFC card-reading apparatus according to
Second counting circuit of the NFC label obtains number of times of the NFC card-reading apparatus to written data in the NFC label；
Writing address information determination unit, determines for the NFC card-reading apparatus according to the number of times of the written data
The NFC card-reading apparatus write the address information of data in the NFC label；
Data write unit, for the NFC card-reading apparatus according to determined by address information by the NFC card-reading apparatus
Data write the NFC label.
The technical scheme of the embodiment of the present invention is used to record the NFC label by increasing enumerator inside NFC label
In read the number of times of data or the number of times of written data, or used respectively by increasing by two enumerators inside NFC label
In the number of times that read the number of times and written data of data in the NFC label is recorded, can realize carrying out repeatedly NFC label
Read or repeatedly write, or repeatedly read and repeatedly write, the range of application of NFC label can be extended.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to institute in embodiment of the present invention description
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to present invention enforcement
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the method flow diagram of the reading label described in the embodiment of the present invention one；
Fig. 2 is the method flow diagram of the reading label described in the embodiment of the present invention two；
Fig. 3 is the method flow diagram for writing label described in the embodiment of the present invention three；
Fig. 4 is the method flow diagram for writing label described in the embodiment of the present invention four；
Fig. 5 is the method flow diagram of the read write tag described in the embodiment of the present invention five；
Fig. 6 is the method flow diagram of the read write tag described in the embodiment of the present invention six；
Fig. 7 is a kind of NFC label internal circuit schematic diagram described in the embodiment of the present invention six；
Fig. 8 is another kind of NFC label internal circuit schematic diagram described in the embodiment of the present invention six；
Fig. 9 is the structured flowchart of the device of the reading label described in the embodiment of the present invention seven；
Figure 10 is the structured flowchart of the device for writing label described in the embodiment of the present invention eight；
Figure 11 is the structured flowchart of the device of the read write tag described in the embodiment of the present invention nine.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches it is clearer, below
Accompanying drawing will be combined to be described in further detail the technical scheme of the embodiment of the present invention, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment one
Fig. 1 is the method flow diagram of the reading label that the embodiment of the present invention one is provided, and the present embodiment is applicable to NFC reader
The situation of the NFC label of counting circuit that reading includes, the method described in the present embodiment can be by being configured in NFC card-reading apparatus
Reading label device performing, as shown in figure 1, the method for the reading label described in the present embodiment includes：
Step S101, when near field communication (NFC) NFC card-reading apparatus enter NFC label induction range when, it is described
NFC card-reading apparatus determine the action type operated to the NFC label.
The action type includes reading data type and writes data type.The NFC card-reading apparatus determine to be marked to the NFC
The action type that label are operated may include various situations, can be obtained according to the characteristic of NFC label, set also dependent on NFC Card Readers
Standby setting can also be obtained obtaining according to preset rules.
If the NFC label is read only tag, the NFC card-reading apparatus directly determine to be grasped to the NFC label
The action type of work is reading data type；If the NFC label is only to write label, it is right that the NFC card-reading apparatus directly determine
The action type that the NFC label is operated is to write data type.
If the NFC card-reading apparatus current state is to write data mode, the NFC card-reading apparatus are determined to the NFC
The action type that label is operated is to write data type；If the NFC card-reading apparatus current state is reading data mode, institute
Stating NFC card-reading apparatus determines the action type operated to the NFC label to read data type；
If presetting, the NFC card-reading apparatus periodically continuously read and write data preset times and reading data are preset
Number of times, then the operation class that the NFC card-reading apparatus are operated according to current read-write total degree determination to the NFC label
Type.
If, to read data type, the NFC card-reading apparatus are according to the NFC label for step S102, the action type
Counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label.
Step S103, the NFC card-reading apparatus determine the NFC card-reading apparatus from the NFC label according to the number of times
The middle address information for reading data.
Specifically, determine that the NFC card-reading apparatus read the address letter of data from the NFC label according to the number of times
The operation of breath may include：The number of times is carried out into modulus computing with the frequency threshold value that can read of the NFC label, is transported according to modulus
Calculate result and determine that the NFC card-reading apparatus read the address information of data from the NFC label.
If the data that can read frequency threshold value to be stored in 10, i.e. NFC label of NFC label are whole by 10 times
Take out, when reading for the 11st time, the original position that the NFC label is jumped back to again starts to read, and the rest may be inferred.Therefore, it is current to read
Take number of times and NFC label can read number of times modulus, the as sequence number fetched data that continues of the NFC label.For example, the NFC
It is 52 that card-reading apparatus have read the number of times of data from the NFC label, then current reading times are equal to for 53,53 with 10 modulus
3, then currently continue the serial number 3 fetched data.
Acquisition is currently continued after the sequence number fetched data, you can is obtained this according to the storage mode of data in NFC label and is continued
The address information fetched data.
If the data fixed length storage in NFC label, for example each data length to be read is 1K, and starts to deposit from 0 address
Storage, then the address fetched data of continuing of serial number 3 is between 2K to 3K-1, if the elongated storage of data in NFC label, basis
The sequence number that default memory space list fetches data according to continuing obtains the address fetched data of continuing.
Step S104, NFC card-reading apparatus address information according to determined by read data from the NFC label.
When the NFC card-reading apparatus determine the action type operated to the NFC label to read data type,
The application software for reading data is opened at NFC card-reading apparatus end, and address information reads the data in NFC label according to determined by.
The technical scheme of the present embodiment is by the counting circuit acquisition NFC card-reading apparatus of NFC label from the NFC label
The number of times of data has been read, has determined that the NFC card-reading apparatus read the address of data from the NFC label according to the number of times
Information, address information reads data from the NFC label according to determined by, can realize repeatedly reading the number in NFC label
According to the range of application of NFC label can be extended.
Embodiment two
Fig. 2 is the method flow diagram of the reading label described in the embodiment of the present invention two, as shown in Fig. 2 described in the present embodiment
Reading the method for label includes：
Step S201, when near field communication (NFC) NFC card-reading apparatus enter NFC label induction range when, it is described
NFC card-reading apparatus determine the action type operated to the NFC label.
Step S202, the NFC card-reading apparatus obtain the storage mode information of the NFC label, the storage mode letter
Cease the address information for storing each reading data of the NFC label.
The storage mode information may include the initial address and data length of each reading data of the NFC label, institute
State initial address and end address that storage mode information may also comprise each reading data of the NFC label.
The NFC card-reading apparatus obtain the storage mode information of the NFC label and may include various ways, for example, work as institute
State NFC card-reading apparatus into NFC label induction range when, the NFC card-reading apparatus are read from the preset address of the NFC label
Take the storage mode information of the NFC label；And for example, the NFC card-reading apparatus read the NFC label from prestored information
Storage mode information.
If, to read data type, the NFC card-reading apparatus are according to the NFC label for step S203, the action type
Counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label.
Step S204, the NFC card-reading apparatus determine the NFC Card Readers according to the number of times and the storage mode information
Equipment reads the address information of data from the NFC label.
Can initially with the method described in S103 the step of embodiment one can read the number of times and the NFC label
Frequency threshold value carries out modulus computing, obtains the sequence number fetched data that currently continues, true according to the sequence number and the storage mode information
The fixed NFC card-reading apparatus read the address information of data from the NFC label.
For example, if the storage mode information includes that the initial address and data of each reading data of the NFC label are long
Degree, then carry out modulus computing by the number of times with the frequency threshold value that can read of the NFC label, and acquisition currently continues what is fetched data
Sequence number, continue the initial address and data length fetched data according to this time of inquiry by the sequence number.And for example, if the storage side
Formula information may also comprise the initial address and end address of each time of NFC label reading data, then by the number of times with it is described
The frequency threshold value that can read of NFC label carries out modulus computing, the sequence number fetched data that currently continues is obtained, according to the sequence number
Inquire about this time to continue the initial address and end address fetched data.
Step S205, NFC card-reading apparatus address information according to determined by read data from the NFC label.
The technical scheme of the present embodiment increased the storage side for obtaining the NFC label on the basis of embodiment one
The step of formula information, determine this from the NFC to the number of times and the storage mode information that have read data according to
The address information of data is read in label, can realize repeatedly reading the data of different storage sizes in NFC label, one can be entered
The range of application of step extension NFC label.
Embodiment three
Fig. 3 is the method flow diagram for writing label described in the embodiment of the present invention three, as shown in figure 3, described in the present embodiment
Writing the method for label includes：
Step S301, when near field communication (NFC) NFC card-reading apparatus enter NFC label induction range when, it is described
NFC card-reading apparatus determine the action type operated to the NFC label.
, with S101 the step of embodiment one, therefore not to repeat here for the step.
If, to write data type, the NFC card-reading apparatus are according to the NFC label for step S302, the action type
Counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label.
Step S303, the NFC card-reading apparatus determine the NFC card-reading apparatus to the NFC label according to the number of times
The address information of middle write data.
Specifically, determine that the NFC card-reading apparatus write the address letter of data in the NFC label according to the number of times
The operation of breath may include：The number of times is carried out into modulus computing with the writable frequency threshold value of the NFC label, is transported according to modulus
Calculate result and determine that the NFC card-reading apparatus write the address information of data in the NFC label.
If the writable frequency threshold value of NFC label is 10, i.e., data is write in NFC label and returns the NFC full 10 times
The initial address of label re-writes, and when reading for the 11st time, the original position that the NFC label is jumped back to again starts write, according to
This analogizes.Therefore, the writeable indegree modulus of this write number of times and NFC label, the as sequence number of this write data.Example
Such as, the NFC card-reading apparatus are 52 to the number of times of written data in the NFC label, then the number of times of this write data is
53,53 and 10 modulus are equal to 3, then the serial number 3 of this write data.
After obtaining the sequence number of this data to be written, you can obtain this according to the data writing mode of data in NFC label
The address information of secondary data to be written.
If NFC label is fixed length writing mode, it is 1K that data length is for example write every time, and starts write from 0 address, then
Write data serial number 3 when, address realm to be written be 2K to 3K-1 between, if NFC label be elongated writing mode, root
Compare list with space to obtain the address of data to be written according to default write data sequence number.
Step S304, the NFC card-reading apparatus address information according to determined by writes the data of the NFC card-reading apparatus
Enter the NFC label.
When the NFC card-reading apparatus determine the action type operated to the NFC label to write data type,
The application software for writing data is opened at NFC card-reading apparatus end, and address information writes data in NFC label according to determined by.
The technical scheme of the present embodiment is by the counting circuit acquisition NFC card-reading apparatus of NFC label in the NFC label
The number of times of written data, determines that the NFC card-reading apparatus write the address of data in the NFC label according to the number of times
Information, the data of the NFC card-reading apparatus are write the NFC label by address information according to determined by, can realize repeatedly to
Data are write in NFC label, the range of application of NFC label can be extended.
Example IV
Fig. 4 is the method flow diagram for writing label described in the embodiment of the present invention four, as shown in figure 4, described in the present embodiment
Writing the method for label includes：
Step S401, when near field communication (NFC) NFC card-reading apparatus enter NFC label induction range when, it is described
NFC card-reading apparatus determine the action type operated to the NFC label.
Step S402, the NFC card-reading apparatus obtain the storage mode information of the NFC label, the storage mode letter
Cease the address information for storing each write data of the NFC label.
The storage mode information may include the initial address and data length of each write data of the NFC label, institute
State initial address and end address that storage mode information may also comprise each write data of the NFC label.
The NFC card-reading apparatus obtain the storage mode information of the NFC label and may include various ways, for example, work as institute
State NFC card-reading apparatus into NFC label induction range when, the NFC card-reading apparatus are read from the preset address of the NFC label
Take the storage mode information of the NFC label；And for example, the NFC card-reading apparatus read the NFC label from prestored information
Storage mode information.
If, to write data type, the NFC card-reading apparatus are according to the NFC label for step S403, the action type
Counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label.
Step S404, the NFC card-reading apparatus determine the NFC Card Readers according to the number of times and the storage mode information
Equipment writes the address information of data in the NFC label.
Can initially with the method described in S303 the step of embodiment three can read the number of times and the NFC label
Frequency threshold value carries out modulus computing, obtains the sequence number of this write data, is determined according to the sequence number and the storage mode information
The NFC card-reading apparatus this address information of data is write in the NFC label.
For example, if the storage mode information includes that the initial address and data of each write data of the NFC label are long
Degree, then carry out modulus computing by the number of times with the writable frequency threshold value of the NFC label, obtains the sequence of this write data
Number, the initial address and data length of this write data can be inquired about according to the sequence number.And for example, if storage mode letter
Breath includes the initial address of each write data of the NFC label and cut-off address, then by the number of times and the NFC label
Writable frequency threshold value carries out modulus computing, obtains the sequence number of this write data, can inquire about this according to the sequence number and write
Enter the initial address and end address of data.
Step S405, the NFC card-reading apparatus address information according to determined by writes the data of the NFC card-reading apparatus
Enter the NFC label.
The technical scheme of the present embodiment increased the storage side for obtaining the NFC label on the basis of embodiment three
The step of formula information, determine this to the NFC to the number of times according to the written data and the storage mode information
The address information of data is write in label, can realize repeatedly writing the data of different storage sizes in NFC label, can be entered
One step extends the range of application of NFC label.
Embodiment five
Fig. 5 is the method flow diagram of the read write tag described in the embodiment of the present invention five, as shown in figure 5, described in the present embodiment
The method of read write tag include：
Step S501, when near field communication (NFC) NFC card-reading apparatus enter NFC label induction range when, it is described
NFC card-reading apparatus determine the action type operated to the NFC label.
The step of this step detailed in Example one S101, therefore not to repeat here.
If, to read data type, the NFC card-reading apparatus are according to the NFC label for step S502, the action type
The first counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label.
Step S503, the NFC card-reading apparatus read according to the number of times of data determine the NFC card-reading apparatus from
The address information of data is read in the NFC label.
The step of this step detailed in Example one S103, therefore not to repeat here.
Step S504, the NFC card-reading apparatus read the address information of data from the NFC label according to determined by
Read data.
The step of this step detailed in Example one S104, therefore not to repeat here.
If, to write data type, the NFC card-reading apparatus are according to the NFC label for step S505, the action type
The second counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label.
Step S506, the NFC card-reading apparatus according to the number of times of the written data determine the NFC card-reading apparatus to
The address information of data is write in the NFC label.
The step of this step detailed in Example three S303, therefore not to repeat here.
Step S507, the NFC card-reading apparatus write the address information of data according to determined by and set the NFC Card Readers
Standby data write the NFC label.
The step of this step detailed in Example three S304, therefore not to repeat here.
The technical scheme of the present embodiment is respectively used to record the NFC by increasing by two enumerators inside NFC label
The number of times of data and the number of times of written data are read in label, can realize that NFC label is carried out repeatedly to read and repeatedly write, energy
The range of application of extension NFC label.
Embodiment six
Fig. 6 is the method flow diagram of the read write tag described in the embodiment of the present invention six, as shown in fig. 6, described in the present embodiment
The method of read write tag include：
Step S601, when NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are determined to institute
State the action type that NFC label is operated.
Step S602, the NFC card-reading apparatus obtain the storage mode information of the NFC label, the storage mode letter
Cease and read data and write data address information for each time for storing the NFC label.
The NFC card-reading apparatus obtain the operation of the storage mode information of the NFC label to be included：
When the NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are from the NFC label
Preset address read the storage mode information of the NFC label；Or
The NFC card-reading apparatus read the storage mode information of the NFC label from prestored information.
Further, the storage mode information includes the starting point of each receive data of the NFC label and write data
Location and data length, or the storage mode information is including each reading data of the NFC label and the starting point of write data
Location and end address.
The each write of data in order to ensure NFC label and the integrity for reading, each time of the present embodiment requirement NFC label
Data storage is corresponding with each reading data, that is, require that the address space of the data of each storage of NFC label is secondary with corresponding respectively
The address space of several reading data is identical.For example, if the 5th time is recorded in storage mode information reads data and write data
Initial address and end address be respectively between 4K to 5K, then the 5th time write data initial address and end address difference
For between 4K to 5K, while the initial address and end address of the 5th reading data are respectively between 4K to 5K.
It should be noted that when to data storage in NFC label, the address space size of the data of each storage can be with
Be etc. size can also be variable-size.
If the address space of the data of each storage is equal in magnitude, i.e., NFC label reads and writes fixed-length data, inside NFC label
Circuit diagram can be as shown in fig. 7,
In Fig. 7, the circuit structure of each module is described below：
The D of multiplexer is power pins, connects the power supply of chip operation, and ENB is to enable pin, when ENB pins connect
When tactile is 1 signal (high level), multiplexer just can normal work, what is connect when ENB pins is 0 signal (low level), many
Path multiplexer does not work, C1, C2, is the input pin of multiplexer, and S1～S4 is output pin, and C1, C2 are input into different values,
It is also different in the result of S1～S4 feet output, such as, when C1, C2 are input into respectively 0 signal (low level), 0 signal (low level), S1
The output of～S4 is respectively 1 signal (high level), 0 signal (low level), 0 signal (low level), 0 signal (low level), is passed through
Change the input of C1, C2, then can change the output of S1～S4.
First enumerator and the second enumerator：U/D pins are power pins, for the power supply that connection provides chip operation,
ENB is the enable pin of chip, and when ENB pins are input into 1 signal (high level), chip can be counted normally, and CP is triggering
Pin, Carry out (can be designated as Q1～Q4) are output pins, the count results of output counter, when CP pins are by 0 signal
When (low level) is to 1 signal (high level) change procedure, enumerator output result Carryout increases by 1, Reset pins is
Pin is reset, when Reset pins are set to 1 signal (high level), the result of enumerator resets, and B1～B4 is default value, can
For arranging the value of output result, do not use here.When multiplexer C1, C2 are input into 0 signal (low level), 0 letter
When number (low level), S1～S4 exports 1 signal (high level), 0 signal (low level), 0 signal (low level), 0 signal (low electricity
It is flat), the second enumerator is normally counted, when multiplexer C1, C2 are input into 1 signal (high level), 0 signal (low level), S1
When～S4 exports 0 signal (low level), 1 signal (high level), 0 signal (low level), 0 signal (low level), the second enumerator
Numerical value reset, restart count.
Multiplier is that the count results of enumerator are multiplied with fixed-length data length, draws the memory area ground for needing to obtain
Location, and then take out suitable data.
Logic judgment unit, can with being judged with, OR gate, for judging whether count results are 1, if 1,
Then illustrate that the current value for needing to read is the first byte of memory area, what the inside stored is the length of fixed-length data, by fixed length
The length of data is stored in relief area " data length reading unit " module
Data length reading unit, for storing fixed-length data length, there is provided to multiplier, tie for calculating a certain counting
Really corresponding memory area.
During data being read from NFC label：
Normal counting process includes：The first enumerator (read counter) normal work is chosen in switch selection, (is selected
The input of C1, C2, allows the output of S1～S4, and the first enumerator ENB pins to be input into 1 signal (high level)), at this moment, without reading
Card apparatus near when, the CP pins input of the first enumerator is 0 signal (low level), NFC card-reading apparatus often near a secondary label,
The voltage that NFC antenna is obtained over there, the CP pins that can give the first enumerator are input into 1 signal (high level), and CP pins are by 0 signal
(low level) to the change procedure of 1 signal (high level) can allow the first rolling counters forward, Carry out pins to increase by 1, multiplier
After count results are multiplied with data length, current address is drawn, then this block address is found from data storage, take out data
It is supplied to NFC antenna, card-reading apparatus to obtain data.If the result of the first enumerator is 1, that is, when counting for the first time, is led to
Logic judgment unit is crossed, show that be currently needed for reading is the data length of fixed-length data, during this address is obtained from storage
Data, and it is supplied to data length relief area and NFC antenna, card-reading apparatus to obtain this data (fixed-length data length)
Get data length.
Clearing process includes：If in counting process, if data need to be re-read, thus it is possible to vary the C1 of multiplexer,
C2 is input into, and allows in S1～S4 the output being connected with the first enumerator Reset feet to be set to 1 signal (high level), then the first enumerator
Count results reset immediately, read data process restart.
During data being write in NFC label：
Normal counting process includes：The first enumerator (writing enumerator) normal work is chosen in switch selection, (is selected
The input of C1, C2, allows the output of S1～S4, and the ENB pins of the second enumerator to be input into 1 signal (high level)), at this moment, do not have
Card-reading apparatus near when, the first enumerator CP pins input be 0 signal (low level), NFC card-reading apparatus are often near a deutero-albumose
Sign, the voltage that NFC antenna is obtained over there, the CP pins that can give the second enumerator are input into 1 signal (high level), and CP pins are by 0 letter
Number (low level) to the change procedure of 1 signal (high level) can allow the first rolling counters forward, Carry out pins to increase by 1, multiplication
After device is multiplied count results with data length, current address is drawn, the data obtained from NFC antenna are write into data storage
In this block address.If the result of the second enumerator is 1, that is, when counting for the first time, by logic judgment unit, draws and work as
What front needs write is the data length of fixed-length data, and this data (fixed-length data length) is written to into this ground in storage
Location.
Clearing process includes：If in counting process, data need to be re-write, thus it is possible to vary C1, C2 of multiplexer
Input, allow in S1～S4 the output being connected with the second enumerator Reset feet to be set to 1 signal (high level), then the second enumerator
Count results reset immediately, and the process of writing restarts.
If NFC label reads and writes fixed-length data, the size that data are read and write every time is certain length, and this length can be advance
Arrange, and in the one or more successive byte of the memory area that data length value is write NFC label.
NFC label is to read data or write data, is selected to determine by multiplexer, when the switch of multiplexer is selected
When enabling the work of the second counter circuit, the software application for writing data is opened in NFC card-reading apparatus, to memory area number is write
According to；When multiplexer selects the first enumerator enable work, the software application for reading data is opened in NFC card-reading apparatus, read
Take the data in memory area；Multi-path choice can also enable the replacement pin on the first enumerator and the second enumerator, when weight
When putting pin and being enabled, the first enumerator and the second enumerator return to zero.Such as, when NFC label is just begun to use, switch
Choose and write data circuit switch enable, write circuit is started counting up, and for the first time write is the fixed length of fixed-length data, and is deposited
In entering first or continuous several bytes, when writing again, the second enumerator increases by 1, and writes data into according to write circuit
In the memory area that count value is calculated, the like.When first time enabling in the first enumerator, the first enumerator starts
Count, NFC card-reading apparatus for the first time near the NFC label when, read the first character section of memory area, identify data storage
Length because for the first time the value of read-write data is the length of memory area data, for the first time the length of read-write data and
Storage area data length may be different, is judged by logic judgment unit.
In read-write data procedures, restart to read and write data if desired, can cut switch contact at switch selection
The clear terminal of the first enumerator and the second enumerator is shifted to, enumerator is counted again, data are read and write again.Memory area every time from
When initial address starts to write data, it is required for writing the length of hereafter data storage.
If the address space size of the data of each storage is unequal, NFC label internal circuit schematic diagram can be such as Fig. 8 institutes
Show, in Fig. 8, the circuit structure of each module is described below：
Multiplexer：What is represented at D is supply pin, and the power supply of chip operation, ENB pins are to enable pin, work as pin
Contact be 1 signal (high level) when, multiplexer just understands normal work, and what is connect when ENB pins is 0 letter thing (low electricity
It is flat), multiplexer does not work, C1, C2, is the input pin of multiplexer, and S1～S4 is output pin, and C1, C2 are input into not
Same value, also different in the result of S1～S4 feet output, such as, C1, C2 are input into respectively 0 signal (low level), 0 signal (low electricity
It is flat) when, the output of S1～S4 is respectively 1 signal (high level), 0 signal (low level), 0 signal (low level), 0 signal (low electricity
It is flat), at this moment the second enumerator can be operated.
First enumerator and two enumerators：U/D pins are power pins, for the power supply that connection provides chip operation, ENB
It is the enable pin of chip, when this pin input 1 signal (high level), chip can be counted normally, and CP is that triggering is drawn
Foot, Carry out (can be designated as Q1～Q4) are output pins, the count results of output counter, when the letter that CP pins are received
When number by 0 signal (low level) to 1 signal (high level) change procedure, enumerator output result Carry out increases by 1,
Reset pins are to reset pin, and when the signal that Reset pins are put is 1 signal (high level), the result of enumerator resets, B1
～B4 is default value, can be used to arrange the value of output result, is not used herein.When multiplexer C1, C2 are input into respectively 0
When signal (low level) and 0 signal (low level), it is (low that S1～S4 exports 1 signal (high level), 0 signal (low level), 0 signal
Level), 0 signal (low level), the second enumerator normally counts, when multiplexer C1, C2 are input into 1 signal (high level), 0 letter
When number (low level), S1～S4 exports 0 signal (low level), 1 signal (high level), 0 signal (low level), 0 signal (low electricity
It is flat) when, the numerical value of the second enumerator resets, and restarts to count.
Data-reading unit：Buffer, data are read for buffering from memory area, and write number in memory area
According to.The chip power supply of single-chip microcomputer is also provided by power supply, not shown in Fig. 8.
The operation principle of the circuit shown in Fig. 8 is as follows：
During data are read from NFC label：
Normal counting process includes：The first enumerator (read counter) normal work is chosen in switch selection, (is selected
The input of C1, C2, allows the output of S1～S4, and the first enumerator ENB pins to be input into 1 signal (high level)), at this moment, without reading
Card apparatus near when, the CP pins input of the first enumerator is 0 signal (low level), NFC card-reading apparatus often near a secondary label,
The voltage that NFC antenna is obtained over there, the CP pins that can give the first enumerator are input into 1 signal (high level), and CP pins are by 0 signal
(low level) to the change procedure of 1 signal (high level) can allow the first rolling counters forward, Carry out pins to increase by 1, multiplier
Count results are supplied to into the single-chip microcomputer of inside, according to the stored data of single-chip microcomputer internal record, current ground is counted
Location, then this block address is found from data storage, the data in this block region are taken out, and the extra information such as data length is gone
Remove, only data content is sent to into NFC antenna by data wire, NFC antenna is then forwarded to card-reading apparatus.
Clearing process includes：In counting process, if data need to be re-read, thus it is possible to vary C1, C2 of multiplexer
Input, allows S1～S4 to neutralize the signal of output signal 1 (high level) after the first enumerator Reset pins are connected, and makes the first enumerator
Count results reset immediately, restart data read process.
During data being write in NFC label：
Normal counting process includes：The first enumerator (writing enumerator) normal work is chosen in switch selection, (is selected
The input of C1, C2, allows the output of S1～S4, and the second enumerator ENB pins to be input into 1 signal (high level)), at this moment, without reading
Card apparatus near when, the CP pins input of the first enumerator is 0 signal (low level), NFC card-reading apparatus often near a secondary label,
The voltage that NFC antenna is obtained over there, the CP pins that can give the second enumerator are input into 1 signal (high level), and CP pins are by 0 signal
(low level) to the change procedure of 1 signal (high level) can allow the first rolling counters forward, Carry out pins to increase by 1, multiplier
Count results are supplied to into the single-chip microcomputer of inside, according to the stored data of single-chip microcomputer internal record, this is obtained to be written
Enter address, then this block address is found from data storage, the data obtained from NFC antenna are write into the address.Single-chip microcomputer is being deposited
Add after the information such as data length, data check in storage data, this data message is write in memory area (long comprising data
The information such as degree, data content and data check)
Clearing process includes：If in counting process, wanting to re-write data, thus it is possible to vary C1, C2 of multiplexer
Input, allow in S1～S4 the output being connected with the second enumerator Reset feet to be set to 1 signal (high level), then the second enumerator
Count results reset immediately, and the process of writing restarts.
If NFC label reads and writes elongated data, the size that data are read and write every time may not be certain length, every time to
During NFC label write data, need the first character section in data write to store the length of current data storage, storage every time
Data are in addition to storing length, the data of current data storage, in addition it is also necessary to store end mark (by a string of specific data sets
Into), whether terminate for flag data write.
During write data, can be at the switch selection of multiplexer, switch contact is switched to into the second enumerator makes
Can work, start counting up, NFC card-reading apparatus directly to NFC label memory area write actual storage data, after most to
When memory area is stored, the length of this write data is calculated by single-chip microcomputer, and end mark is added at data end, most
Data length, data, end mark are put in accessing zone afterwards.
When reading data, at the switch selection of multiplexer, switch contact is switched to into the first enumerator enable work, is opened
Begin to count, single-chip microcomputer receives the signal of the first rolling counters forward increase, from the memory area of NFC label data are taken out, take out number
According to length, data, end mark, from the data that these take out, show that this reads data in the actually active of memory area
Address, therefrom reads actually active data.
If read-write data are carried out, want to restart read-write, then cut the contact at the switch selection of multiplexer
The clear terminal of the first enumerator and the second enumerator is changed to, the counting of counting circuit is read and write after clearing, restart to count.
If, to read data type, the NFC card-reading apparatus are according to the NFC label for step S603, the action type
The first counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label.
The number of times and the storage mode information that step S604, the NFC card-reading apparatus have read data according to is true
The fixed NFC card-reading apparatus read the address information of data from the NFC label.
Step S605, the NFC card-reading apparatus read the address information of data from the NFC label according to determined by
Read data.
If, to write data type, the NFC card-reading apparatus are according to the NFC label for step S606, the action type
The second counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label.
Step S607, the NFC card-reading apparatus are true according to the number of times and the storage mode information of the written data
The fixed NFC card-reading apparatus write the address information of data in the NFC label.
Step S608, the NFC card-reading apparatus write the address information of data according to determined by and set the NFC Card Readers
Standby data write the NFC label.
The technical scheme of the present embodiment increased the storage side for obtaining the NFC label on the basis of embodiment five
The step of formula information, to have read the number of times of data or the number of times of written data, and the storage mode according to
Information determines this address address information of data read from the NFC label or data are write in the NFC label,
The data of different storage sizes can be realized repeatedly reading in NFC label or different length is repeatedly write in NFC label
Data, can further expand the range of application of NFC label.
Embodiment seven
Fig. 9 is the structured flowchart of the device of the reading label described in the embodiment of the present invention seven, as shown in figure 9, the present embodiment institute
The device of the reading label stated includes：
Action type acquiring unit 901, for entering NFC label when near field communication (NFC) NFC card-reading apparatus
During induction range, it is determined that the action type operated to the NFC label；
Reading times acquiring unit 902, if for the action type to read data type, according to the NFC label
Counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit 903, for determining the NFC card-reading apparatus from the NFC label according to the number of times
The middle address information for reading data；
Data-reading unit 904, data are read for address information determined by basis from the NFC label.
Further, the address information determining unit 903 specifically for：
The number of times is carried out into modulus computing with the frequency threshold value that can read of the NFC label, according to modulus operation result
Determine that the NFC card-reading apparatus read the address information of data from the NFC label.
Further, described device also include storage mode information acquisition unit, for the NFC card-reading apparatus according to
The number of times determines that the NFC card-reading apparatus read before the address information of data from the NFC label, obtains the NFC
The storage mode information of label, the storage mode information is used to store the address information of each reading data of the NFC label；
The address information determining unit 903 specifically for：
Determine that the NFC card-reading apparatus read from the NFC label according to the number of times and the storage mode information
The address information of data.
Further, the storage mode information acquisition unit specifically for：
When the NFC card-reading apparatus enter the induction range of NFC label, read from the preset address of the NFC label
The storage mode information of the NFC label；Or
The storage mode information of the NFC label is read from prestored information.
Further, the storage mode information includes the initial address and data of each reading data of the NFC label
Length, or the storage mode information is including the initial address and end address of each reading data of the NFC label.
The reading mark that the executable embodiment of the present invention one of device of the reading label that the present embodiment is provided and embodiment two are provided
The method of label, possesses the corresponding functional module of execution method and beneficial effect.
Embodiment eight
Figure 10 is the structured flowchart of the device for writing label described in the embodiment of the present invention eight, as shown in Figure 10, the present embodiment
The described device for writing label includes：
Action type acquiring unit 1001, for entering NFC label when near field communication (NFC) NFC card-reading apparatus
During induction range, it is determined that the action type operated to the NFC label；
Write number of times acquiring unit 1002, if for the action type to write data type, according to the NFC label
Counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label；
Address information determining unit 1003, for determining the NFC card-reading apparatus to the NFC label according to the number of times
The address information of middle write data；
Data write unit 1004, writes the data of the NFC card-reading apparatus for address information determined by basis
The NFC label.
Further, the address information determining unit 1003 specifically for：
The number of times is carried out into modulus computing with the writable data times threshold value of the NFC label, according to modulus computing
As a result determine that the NFC card-reading apparatus write the address information of data in the NFC label.
Further, described device also include storage mode information acquisition unit, for the NFC card-reading apparatus according to
The number of times determines that the NFC card-reading apparatus write before the address information of data in the NFC label, obtains the NFC
The storage mode information of label, the storage mode information is used to store the address information of each write data of the NFC label；
The address information determining unit 1003 specifically for：
Determine that the NFC card-reading apparatus write in the NFC label according to the number of times and the storage mode information
The address information of data.
Further, the storage mode information acquisition unit specifically for：
When the NFC card-reading apparatus enter the induction range of NFC label, read from the preset address of the NFC label
The storage mode information of the NFC label；Or
The storage mode information of the NFC label is read from prestored information.
Further, the storage mode information includes the initial address and data of each write data of the NFC label
Length, or initial address and cut-off address of the storage mode information including each write data of the NFC label.
What the executable embodiment of the present invention three of the device for writing label of the present embodiment offer and example IV were provided writes mark
The method of label, possesses the corresponding functional module of execution method and beneficial effect.
Embodiment nine
Figure 11 is the structured flowchart of the device of the read write tag described in the embodiment of the present invention nine, as shown in figure 11, this enforcement
The device of the read write tag described in example includes：
Action type acquiring unit 1101, for entering NFC label when near field communication (NFC) NFC card-reading apparatus
During induction range, it is determined that the action type operated to the NFC label；
Reading times acquiring unit 1102, if for the action type to read data type, according to the NFC label
The first counting circuit obtain the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit 1103 is read, the number of times for having read data according to determines the NFC Card Readers
Equipment reads the address information of data from the NFC label；
Data-reading unit 1104, the address information for reading data determined by basis is read from the NFC label
Fetch data；
Write number of times acquiring unit 1105, if for the action type to write data type, according to the NFC label
The second counting circuit obtain the number of times of the NFC card-reading apparatus to written data in the NFC label；
Writing address information determination unit 1106, for determining the NFC Card Readers according to the number of times of the written data
Equipment writes the address information of data in the NFC label；
Data write unit 1107, for write data determined by basis address information by the NFC card-reading apparatus
Data write the NFC label.
Further, the reading address information determining unit 1103 specifically for：
The number of times for having read data is carried out into modulus computing with the frequency threshold value that can read of the NFC label, according to
Modulus operation result determines that the NFC card-reading apparatus read the address information of data from the NFC label.
Further, described device also includes storage mode information acquisition unit, for obtaining the storage of the NFC label
Mode information, the storage mode information is used to store the address information that the NFC label reads data and write data for each time；
The reading address information determining unit 1103 specifically for：According to the number of times for having read data and described deposit
Storage mode information determines that the NFC card-reading apparatus read the address information of data from the NFC label；
Said write address information determining unit 1106 specifically for：According to the number of times of the written data and described deposit
Storage mode information determines that the NFC card-reading apparatus write the address information of data in the NFC label.
Further, the storage mode information acquisition unit specifically for：
When the NFC card-reading apparatus enter the induction range of NFC label, read from the preset address of the NFC label
The storage mode information of the NFC label；Or
The storage mode information of the NFC label is read from prestored information.
Further, the storage mode information includes that the NFC label reads the starting of data and write data for each time
Address and data length, or the storage mode information is including the starting of each reading data of the NFC label and write data
Address and end address.
Further, said write address information determining unit 1106 specifically for：By the number of times of the written data
Modulus computing is carried out with the writable data times threshold value of the NFC label, the NFC Card Readers are determined according to modulus operation result
Equipment writes the address information of data in the NFC label.
The reading that the executable embodiment of the present invention five of the device of the read write tag that the present embodiment is provided and embodiment six are provided
The method for writing label, possesses the corresponding functional module of execution method and beneficial effect.
Above example provide technical scheme in all or part of content can be realized by software programming, its software
In the storage medium that can read, storage medium is for example for program storage：Hard disk, CD or floppy disk in computer.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (16)
1. it is a kind of read label method, it is characterised in that include：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are true
The fixed action type that the NFC label is operated；
If the action type is to read data type, the NFC card-reading apparatus are obtained according to the counting circuit of the NFC label
The NFC card-reading apparatus have read the number of times of data from the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus read the ground of data from the NFC label according to the number of times
Location information；
NFC card-reading apparatus address information according to determined by reads data from the NFC label.
2. method according to claim 1, it is characterised in that the NFC card-reading apparatus are according to the number of times determines
NFC card-reading apparatus read the operation of the address information of data from the NFC label and specifically include：
The number of times is carried out into modulus computing with the frequency threshold value that can read of the NFC label, is determined according to modulus operation result
The NFC card-reading apparatus read the address information of data from the NFC label.
3. method according to claim 1, it is characterised in that institute is determined according to the number of times in the NFC card-reading apparatus
State also includes before the address information that NFC card-reading apparatus read data from the NFC label：The NFC card-reading apparatus are obtained
The storage mode information of the NFC label, the storage mode information is used to store the ground of each reading data of the NFC label
Location information；
The NFC card-reading apparatus determine that the NFC card-reading apparatus read the ground of data from the NFC label according to the number of times
The operation of location information is specifically included：
The NFC card-reading apparatus determine the NFC card-reading apparatus from the NFC according to the number of times and the storage mode information
The address information of data is read in label.
4. method according to claim 3, it is characterised in that the NFC card-reading apparatus obtain the storage of the NFC label
The operation of mode information includes：
When the NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are from the pre- of the NFC label
If the storage mode information of the NFC label is read in address.
5. the method according to claim 3 or 4, it is characterised in that the storage mode information includes that the NFC label is each
The secondary initial address and data length for reading data, or the storage mode information is including each reading data of the NFC label
Initial address and end address.
6. a kind of method for writing label, it is characterised in that include：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are true
The fixed action type that the NFC label is operated；
If the action type is to write data type, the NFC card-reading apparatus are obtained according to the counting circuit of the NFC label
Number of times of the NFC card-reading apparatus to written data in the NFC label；
The NFC card-reading apparatus determine that the NFC card-reading apparatus write the ground of data in the NFC label according to the number of times
Location information；
The data of the NFC card-reading apparatus are write the NFC marks by NFC card-reading apparatus address information according to determined by
Sign.
7. method according to claim 6, it is characterised in that the NFC card-reading apparatus are according to the number of times determines
NFC card-reading apparatus write the operation of the address information of data in the NFC label and specifically include：
The number of times is carried out into modulus computing with the writable data times threshold value of the NFC label, according to modulus operation result
Determine that the NFC card-reading apparatus write the address information of data in the NFC label.
8. method according to claim 6, it is characterised in that in the NFC card-reading apparatus according to the number of times determines
Also include before the address information that NFC card-reading apparatus write data in the NFC label：The NFC card-reading apparatus obtain institute
The storage mode information of NFC label is stated, the storage mode information is used to store the address of each write data of the NFC label
Information；
The NFC card-reading apparatus determine that the NFC card-reading apparatus write the ground of data in the NFC label according to the number of times
The operation of location information is specifically included：
The NFC card-reading apparatus determine the NFC card-reading apparatus to the NFC according to the number of times and the storage mode information
The address information of data is write in label.
9. method according to claim 8, it is characterised in that the NFC card-reading apparatus obtain the storage of the NFC label
The operation of mode information includes：
When the NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are from the pre- of the NFC label
If the storage mode information of the NFC label is read in address.
10. method according to claim 8 or claim 9, it is characterised in that the storage mode information includes the NFC label
The initial address and data length of each write data, or the storage mode information is including each write number of the NFC label
According to initial address and cut-off address.
A kind of 11. methods of read write tag, it is characterised in that include：
When near field communication (NFC) NFC card-reading apparatus enter the induction range of NFC label, the NFC card-reading apparatus are true
The fixed action type that the NFC label is operated；
If the action type is reading data type, first counting circuit of the NFC card-reading apparatus according to the NFC label
Obtain the number of times that the NFC card-reading apparatus have read data from the NFC label；
The NFC card-reading apparatus have read the number of times of data and have determined the NFC card-reading apparatus from the NFC label according to
Read the address information of data；
The NFC card-reading apparatus read the address information of data according to determined by and read data from the NFC label；
If the action type is to write data type, second counting circuit of the NFC card-reading apparatus according to the NFC label
The NFC card-reading apparatus are obtained to the number of times of written data in the NFC label；
The NFC card-reading apparatus determine the NFC card-reading apparatus in the NFC label according to the number of times of the written data
The address information of write data；
The NFC card-reading apparatus write the address information of data according to determined by and write the data of the NFC card-reading apparatus
The NFC label.
12. a kind of devices for reading label, it is characterised in that include：
Action type acquiring unit, for entering the induction range of NFC label when near field communication (NFC) NFC card-reading apparatus
When, it is determined that the action type operated to the NFC label；
Number of times acquiring unit, if being obtained according to the counting circuit of the NFC label to read data type for the action type
Take the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit, for determining the NFC card-reading apparatus from receive data in the NFC label according to the number of times
According to address information；
Data-reading unit, data are read for address information determined by basis from the NFC label.
13. devices according to claim 12, it is characterised in that described device also includes storage mode acquisition of information list
Unit, for determining the NFC card-reading apparatus from receive data in the NFC label according to the number of times in the NFC card-reading apparatus
According to address information before, obtain the storage mode information of the NFC label, the storage mode information is used to store described
The address information of each reading data of NFC label；
The address information determining unit specifically for：
Determine that the NFC card-reading apparatus read data from the NFC label according to the number of times and the storage mode information
Address information.
14. a kind of devices for writing label, it is characterised in that include：
Action type acquiring unit, for entering the induction range of NFC label when near field communication (NFC) NFC card-reading apparatus
When, it is determined that the action type operated to the NFC label；
Write number of times acquiring unit, if for the action type to write data type, according to the counting electricity of the NFC label
Road obtains number of times of the NFC card-reading apparatus to written data in the NFC label；
Address information determining unit, for determining that the NFC card-reading apparatus write number in the NFC label according to the number of times
According to address information；
The data of the NFC card-reading apparatus are write the NFC marks by data write unit for address information determined by basis
Sign.
15. according to claim 14 described device, it is characterised in that described device also includes storage mode information acquisition unit,
For determining that the NFC card-reading apparatus write data in the NFC label according to the number of times in the NFC card-reading apparatus
Before address information, the storage mode information of the NFC label is obtained, the storage mode information is used to store the NFC marks
Sign the address information of each write data；
The address information determining unit specifically for：
Determine that the NFC card-reading apparatus write data in the NFC label according to the number of times and the storage mode information
Address information.
16. a kind of devices of read write tag, it is characterised in that include：
Action type acquiring unit, for entering the induction range of NFC label when near field communication (NFC) NFC card-reading apparatus
When, it is determined that the action type operated to the NFC label；
Reading times acquiring unit, if for the action type to read data type, according to the first of the NFC label the meter
Number circuit obtains the number of times that the NFC card-reading apparatus have read data from the NFC label；
Address information determining unit is read, the number of times for having read data according to determines the NFC card-reading apparatus from institute
State the address information that data are read in NFC label；
Data-reading unit, the address information for reading data determined by basis reads data from the NFC label；
Write number of times acquiring unit, if for the action type to write data type, according to the second of the NFC label the meter
Number circuit obtains number of times of the NFC card-reading apparatus to written data in the NFC label；
Writing address information determination unit, for determining the NFC card-reading apparatus to institute according to the number of times of the written data
State the address information that data are write in NFC label；
Data write unit, the address information for writing data determined by basis writes the data of the NFC card-reading apparatus
Enter the NFC label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412092.4A CN104156748B (en) | 2014-08-20 | 2014-08-20 | Method for reading and writing label and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412092.4A CN104156748B (en) | 2014-08-20 | 2014-08-20 | Method for reading and writing label and device thereof |
Publications (2)
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| CN107271815A (en) * | 2017-06-15 | 2017-10-20 | 中山市天键电声有限公司 | A kind of detection method and NFC detection tool of NFC label quality |
| CN108595344A (en) * | 2017-11-07 | 2018-09-28 | 深圳市雄帝科技股份有限公司 | Electronically written method and device, electronic equipment and the storage medium of radio-frequency card |
| CN110826657B (en) * | 2018-08-09 | 2023-07-14 | 中国电信股份有限公司 | Apparatus and method for NFC tag |
| CN110874073A (en) * | 2018-09-04 | 2020-03-10 | 宁波方太厨具有限公司 | Separated household electrical appliance control device |
| US11153428B2 (en) * | 2020-03-02 | 2021-10-19 | Capital One Services, Llc | Systems, methods, and computer-accessible mediums for repressing or turning off the read of a digital tag |
| CN113591500B (en) * | 2021-09-29 | 2022-03-08 | 广州朗国电子科技股份有限公司 | NFC chip read-write frequency automatic detection method and device |
| CN114781418A (en) * | 2022-04-12 | 2022-07-22 | 四川虹美智能科技有限公司 | Intelligent product information writing method and device |
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| DE202012009670U1 (en) * | 2012-10-10 | 2012-10-31 | Mega-Tel Ag/Sa | NFC tag and NFC system |
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| DE202012009670U1 (en) * | 2012-10-10 | 2012-10-31 | Mega-Tel Ag/Sa | NFC tag and NFC system |
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