CN106650882A - Method for determining application mode by judging communication interface - Google Patents
Method for determining application mode by judging communication interface Download PDFInfo
- Publication number
- CN106650882A CN106650882A CN201510712544.5A CN201510712544A CN106650882A CN 106650882 A CN106650882 A CN 106650882A CN 201510712544 A CN201510712544 A CN 201510712544A CN 106650882 A CN106650882 A CN 106650882A
- Authority
- CN
- China
- Prior art keywords
- card
- contact
- bluetooth
- chip
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
Abstract
The invention relates to a method for determining an application mode by judging a communication interface. The method comprises the following steps: (1) first, powering up a dual-interface financial IC card chip and determining whether the card chip is in a RF magnetic field area, going to the step (2) if yes or going to the step (3) if not; (2) further determining whether the card chip can communicate with a noncontact card reading device, and determining that the IC card uses a noncontact card mode or a noncontact second-generation shield mode if yes, or determining that the card chip is damaged if not; (3) enabling the card chip to determine whether the pin of a IC card contact conforms to an ISO 7186 protocol, and determining that the IC card uses a contact card mode or a contact second-generation shield mode if yes, or determining that the IC card uses a Bluetooth shield mode if not. The method prepares for the following operation procedures, such as initialization, by determining the current application mode of the IC card.
Description
Technical field
Present invention relates particularly to it is a kind of by judging the method that communication interface determines application model, belong to intelligence
Cartoon letters application.Equipment mentioned by the present invention is related to a kind of pair of interface financial IC card, and the card is one
Plant the IC-card of various payment functions such as support mobile phone, PC.
Background technology
Double interface financial IC cards have contact interface (meeting ISO7816 agreements), also connect with RF communications
Mouth (meeting ISO14443 or ISO15693 agreements).The communication mode of IC-card is except described contact
Outside ISO7816 and contactless RF interfaces, also communicate including SPI communication or UART.
The application model of described pair of interface financial IC card includes：Contact blocks application, non-contact card application, connects
Touch two generations shield application, contactless two generations shield application, bluetooth shield application.Because the IC-card has various answering
So could be to connect it needs to be determined that itself is in which kind of above-mentioned application model when electric on IC-card with pattern
The flow process got off is ready.So far also without integrated above-mentioned interface and communication pattern, application model
Double interface financial IC cards occur, after more not judging that the method for which kind of application model residing for above-mentioned IC-card is used for
Afterflow journey.
The content of the invention
The method of the invention determines IC-card and is currently located in by judging the state of communication interface
Application model, and then prepare to the ensuing operating process that such as initializes.
Specifically, the present invention provides a kind of by judging the method that communication interface determines application model, described
Method comprises the steps：
(1) first, double interface financial IC card chips are powered, and judge whether the core of the card piece is in and penetrated
Frequency field regions；If the core of the card piece is in radio-frequency magnetic place, into step (2), if unidentified to RF magnetic field
Area, then into step (3)；
(2) determine whether whether the core of the card piece can communicate with noncontact card-reading apparatus, if it is, IC
Card is using non-contact card pattern or contactless two generations shield pattern；If it is not, then judging card wafer damage；
(3) the core of the card piece judges whether the pin of IC-card contact meets ISO7186 agreements, if symbol
The agreement is closed, then IC-card application contact mode card or contact two generations shield pattern；If not meeting the association
Discuss, then IC-card application bluetooth shield pattern.
Further, as described above by judging the method that communication interface determines application model, the step
(2) in, if the core of the card piece can communicate with noncontact card-reading apparatus, described pair of interface financial IC card enters
One step is attempted and Bluetooth RF chip communication by SPI or UART interface, if communication failure, IC-card application
Non-contact card pattern；Conversely, communicate successfully, the contactless two generations shield pattern of IC-card application.
Further, as described above by the method that communication interface determines application model is judged, when using non-
During contact mode card, Bluetooth RF chip is not powered, and double interface financial IC card chips are powered by RF antennas；
When using two generation shield patterns, double interface financial IC card chips are powered by RF antennas, and Bluetooth RF chip is then
By IC-card in-line power.
Further, as described above by judging the method that communication interface determines application model, the step
(3) in, when the agreement is met, described pair of interface financial IC card is further connect by SPI or UART
Mouth is attempted and Bluetooth RF chip communication, if communication failure, IC-card application contact mode card；Conversely, logical
Believe successfully, IC-card application contact two generations shield pattern.
Further, as described above by the method that communication interface determines application model is judged, when application connects
During tactile mode card, Bluetooth RF chip is not powered, and double interface financial IC card chips are by equipment such as external card reader
Powered by the VCC contacts of IC-card contact；When using contact two generations shield pattern, Bluetooth RF chip by
The VDD contacts of IC-card contact power, and double interface financial IC card chips are supplied by the VCC contacts of IC-card contact
Electricity.
Further, as described above by the method that communication interface determines application model is judged, application is worked as
During bluetooth shield pattern, Bluetooth RF chip and double interfaces financial IC card chip are powered by internal electric source.
Further, it is described double as described above by the method that communication interface determines application model is judged
Interface financial IC card includes Power power buttons, if not pressing the button, IC-card internal electric source is not
To the Bluetooth RF chip power supply, if instead pressing the button, Bluetooth RF chip is powered.
By the application present invention, judge the state of communication interface to determine the application model that IC-card is currently located in,
And then prepare to the ensuing operating process that such as initializes.
Description of the drawings
Fig. 1 is used in the present invention pair of interface financial IC card block diagram.
Fig. 2 is method flow diagram used in the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
The block diagram of the double interface financial IC cards involved by the method for the invention is as shown in Figure 1.It is a kind of multi-functional
IC-card, including the RF antennas 1 and IC-card contact 7 of double-interface card chip 2 and the connection of double-interface card chip 2,
Also include the Bluetooth RF chip 3 being connected with the double-interface card chip 2, Bluetooth RF chip 3 passes through bluetooth
Radio-frequency antenna 5 is connected with the exterior terminal equipment communication with Bluetooth function；Also include and Bluetooth RF chip 3
The button 4 of connection and LCD show 6.
First, double interface financial IC card chips are powered, and judge the core of the card piece whether in RF magnetic field
Area；If the core of the card piece is in radio-frequency magnetic place, determine whether whether the core of the card piece can set with noncontact Card Reader
Standby communication, if it is, IC-card application non-contact card pattern or contactless two generations shield pattern；If not,
Then judge card wafer damage；If unidentified to radio-frequency magnetic place, the core of the card piece judges drawing for IC-card contact
Whether pin meets ISO7186 agreements, if meeting the agreement, IC-card application contacts mode card or contact
Formula two generations shield pattern；If not meeting the agreement, IC-card application bluetooth shield pattern.
As shown in Fig. 2 specifically, the workflow of the method for the present invention is as follows：
(1), on double interface financial IC card chips 2 during electricity, the core of the card piece first determines whether that outside contactless is read
Whether whether card apparatus have Card Reader to operate, that is, judge the core of the card piece in radio-frequency magnetic place.If being in RF magnetic field
The core of the card piece in area can communicate with noncontact card-reading apparatus, and IC-card application model will be " non-contact card " or non-
" two generation shields " application of contact mode.
(2), described pair of interface financial IC card has a Power power button 4, and user wishes that equipment works
During " non-contact card " pattern, the start of Power power buttons will not be pressed, now IC-card internal electric source will not be given
Bluetooth RF chip power supply, conversely, Bluetooth RF chip 3 will power.If described pair of interface financial IC card
Wish to be applied to " non-contact card " pattern, the core of the card piece judges have after RF radio frequencies, will be by SPI or UART
Interface is attempted and Bluetooth RF chip communication, now, because Bluetooth RF chip is not powered, double interface finance
Communication between IC card chip and Bluetooth RF chip will fail, and therefore the core of the card piece will judge it should is currently " non-
Contact card " pattern., whereas if being supplied with electric power to Bluetooth RF chip by Power power keys, the core of the card piece is sentenced
After disconnected RF radio frequencies, the communication with Bluetooth RF chip will be successful, and the core of the card piece will accordingly judge that equipment should be at
" two generation shields " application of noncontact mode.During " non-contact card " application model, Bluetooth RF chip is not powered,
Double interface financial IC card chips are powered by RF antennas 1.It is double when " the two generation shields " of noncontact mode is applied
Interface financial IC card chip is powered by RF, and Bluetooth RF chip is by IC-card in-line power.
(3), in the operation of above-mentioned 2nd step, if unidentified to having RF RF magnetic fields, described couple of interface finance IC
The core of the card piece will determine that whether the pin of IC-card contact meets ISO7186 agreements (IC-card and external contact reading
The equipment communication such as card device, ATM agreement is ISO7816).If meeting consensus standard, the equipment application
Pattern will be " contact card " or contact mode " two generation shields " application.Ensuing judgement and the 2nd step phase
Together, when described pair of interface financial IC card is attempted with Bluetooth RF chip communication, if communication failure, IC-card will
Using for " contact card " pattern；Conversely, communicating successfully, IC-card will be applied to " the two generation shields " of contact mode.
During " contact card " application model, Bluetooth chip is not powered, and double interface financial IC card chips are by external card reader
Powered by the first contact of IC-card contact 7 Deng equipment.When " the two generation shields " of contact mode is applied, bluetooth
Chip is powered by the 4th contact of IC-card contact 7, and double interface financial IC card chips are due to IC-card contact 7
The first contact power.
(4), in above-mentioned 3rd step operation, if not accessing the equipment such as satisfactory card reader, ATM, i.e.,
ISO7816 communication failures, described pair of interface financial IC card chip will be considered to IC-card will be applied to " bluetooth shield mould
Formula ".During " bluetooth shield " application model, Bluetooth RF chip and double interface financial IC card chips are by internal electricity
Source powers.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these modifications and modification to the present invention belong to right of the present invention
Within the scope of requirement and its equivalent technology, then the present invention is also intended to comprising these changes and modification.
Claims (7)
1. a kind of by judging the method that communication interface determines application model, it is characterised in that：
Methods described comprises the steps：
(1) first, double interface financial IC card chips are powered, and judge whether the core of the card piece is in and penetrated
Frequency field regions；If the core of the card piece is in radio-frequency magnetic place, into step (2), if unidentified to RF magnetic field
Area, then into step (3)；
(2) determine whether whether the core of the card piece can communicate with noncontact card-reading apparatus, if it is, IC
Card is using non-contact card pattern or contactless two generations shield pattern；If it is not, then judging card wafer damage；
(3) the core of the card piece judges whether the pin of IC-card contact meets ISO7186 agreements, if met
The agreement, then IC-card application contacts mode card or contact two generations shield pattern；If not meeting the agreement,
Then IC-card application bluetooth shield pattern.
2. as claimed in claim 1 by judging the method that communication interface determines application model, it is special
Levy and be：
In the step (2), if the core of the card piece can communicate with noncontact card-reading apparatus, described pair of interface
Financial IC card is further attempted and Bluetooth RF chip communication by SPI or UART interface, if communication is lost
Lose, IC-card application non-contact card pattern；Conversely, communicate successfully, the contactless two generations shield pattern of IC-card application.
3. as claimed in claim 2 by judging the method that communication interface determines application model, it is special
Levy and be：
When using non-contact card pattern, Bluetooth RF chip is not powered, double interface financial IC card chips by
RF antennas are powered；When using two generation shield patterns, double interface financial IC card chips are powered by RF antennas, blue
Tooth radio frequency chip is then by IC-card in-line power.
4. as claimed in claim 1 by judging the method that communication interface determines application model, it is special
Levy and be：
In the step (3), when the agreement is met, described pair of interface financial IC card further passes through
SPI or UART interface are attempted and Bluetooth RF chip communication, if communication failure, IC-card application contact snap gauge
Formula；Conversely, communicate successfully, IC-card application contact two generations shield pattern.
5. as claimed in claim 4 by judging the method that communication interface determines application model, its feature exists
In：
When application contact mode card, Bluetooth RF chip is not powered, and double interface financial IC card chips are by external
Reader device is powered by the VCC contacts of IC-card contact；When using contact two generations shield pattern, bluetooth
Radio frequency chip is powered by the VDD contacts of IC-card contact, and double interface financial IC card chips are by IC-card contact
VCC contacts power.
6. as claimed in claim 1 by judging the method that communication interface determines application model, its feature exists
In：
When IC-card application bluetooth shield pattern, Bluetooth RF chip and double interface financial IC card chips by
Internal electric source is powered.
7. as described in claim 2 or 4 by judging the method that communication interface determines application model, it is special
Levy and be：
Described pair of interface financial IC card includes Power power buttons, if not pressing the button, inside IC-card
Power supply does not give the Bluetooth RF chip power supply, if instead pressing the button, Bluetooth RF chip is supplied
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712544.5A CN106650882B (en) | 2015-10-28 | 2015-10-28 | A method of by judging that communication interface determines application model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712544.5A CN106650882B (en) | 2015-10-28 | 2015-10-28 | A method of by judging that communication interface determines application model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106650882A true CN106650882A (en) | 2017-05-10 |
| CN106650882B CN106650882B (en) | 2019-08-09 |
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ID=58816240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510712544.5A Active CN106650882B (en) | 2015-10-28 | 2015-10-28 | A method of by judging that communication interface determines application model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408127A (en) * | 2018-11-09 | 2019-03-01 | 四川科道芯国智能技术股份有限公司 | Chip system loading method and chip card |
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| Publication number | Publication date |
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| CN106650882B (en) | 2019-08-09 |
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