WO2008154815A1 - Equipement et procédé servant à mettre en place des fonctions adaptatives des protocoles de communication - Google Patents

Equipement et procédé servant à mettre en place des fonctions adaptatives des protocoles de communication Download PDF

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Publication number
WO2008154815A1
WO2008154815A1 PCT/CN2008/001163 CN2008001163W WO2008154815A1 WO 2008154815 A1 WO2008154815 A1 WO 2008154815A1 CN 2008001163 W CN2008001163 W CN 2008001163W WO 2008154815 A1 WO2008154815 A1 WO 2008154815A1
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WO
WIPO (PCT)
Prior art keywords
communication protocol
smart card
operating system
card operating
communication
Prior art date
Application number
PCT/CN2008/001163
Other languages
English (en)
French (fr)
Inventor
Tongxin Qi
Daxing Xu
Original Assignee
Beijing Watch Data System Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Watch Data System Co., Ltd. filed Critical Beijing Watch Data System Co., Ltd.
Priority to BRPI0813667-0A2A priority Critical patent/BRPI0813667A2/pt
Priority to JP2010512490A priority patent/JP2010532599A/ja
Priority to EP08757444.8A priority patent/EP2169978A4/en
Priority to US12/665,436 priority patent/US20100191870A1/en
Publication of WO2008154815A1 publication Critical patent/WO2008154815A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods 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
    • G06K7/10297Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13095PIN / Access code, authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096Digital apparatus individually associated with a subscriber line, digital line circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13109Initializing, personal profile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204Protocols

Definitions

  • the present invention relates to communication technologies, and more particularly to an apparatus and method for implementing an adaptive function in a communication protocol.
  • Communication protocols are an indispensable and very important component of modern communication systems.
  • Communication protocol A software called a communication system that performs communication of communication information together with hardware (various communication devices).
  • Type A Two contactless communication protocols are defined in the IS014443 standard: Type A and Type B.
  • Type A is first developed and used by semiconductor companies such as Phi l ips.
  • the main feature is the design of the main unit, the development cycle of the application project is short, and it can be applied to many occasions.
  • Type B is an open contactless smart card standard, and all read and write operations can be defined by the specific application system developer. Therefore, Type B is accepted by many smart card manufacturers in the world.
  • the existing smart card chip generally supports all of the two communication protocols on the physical layer
  • the smart card operating system can also apply the two communication protocols, but the user must manually select the current smart card operating system. Protocol.
  • This manual selection is usually done by specific instructions (instructions defined by the designer). For example, if the user wants to select the Type A communication protocol, the user must first send these specific instructions to the smart card. When these specific instructions are executed, the current communication protocol of the smart card operating system becomes Type A. Similarly, if the user wants to select the Type B communication protocol, the above process needs to be repeated.
  • the disadvantage of J's manual selection of the contactless communication protocol of the smart card operating system is that the user must know the type of communication protocol used by the terminal in advance when using the smart card, and then manually adjust the current communication protocol type of the smart card operating system to make the smart card
  • the current communication protocol type of the operating system is the same as the communication protocol type used by the terminal. Only then can the smart card be used normally. However, this brings a lot of inconvenience to the user, and the user often does not know which communication protocol should be used, which causes the user to use the smart card to complete the corresponding function.
  • there are multiple communication protocols such as Type C/Type D/Type E/Type F/Type G, five types of communication protocols are used, which makes it more difficult to ensure smooth communication.
  • An object of the present invention is to provide an apparatus and method for implementing a communication protocol adaptive function, so that a smart card operating system can automatically select a communication protocol corresponding thereto according to a communication protocol type of the terminal.
  • a communication protocol setting module configured to set a communication protocol for the smart card operating system
  • a communication protocol detecting module configured to determine whether a communication protocol of the smart card operating system is consistent with a communication protocol of the terminal
  • the communication protocol selection module is used to select a communication protocol consistent with the communication protocol of the terminal for the smart card operating system when the communication protocol of the smart card operating system is different from the communication protocol of the terminal.
  • the device also includes:
  • the communication module is used to establish communication for the smart card operating system and the terminal when the communication protocol of the smart card operating system is consistent with the communication protocol of the terminal.
  • the device further includes: an initialization module, configured to initialize a current communication protocol identifier of the smart card operating system;
  • the communication protocol setting module is configured to configure a communication protocol corresponding to the current communication protocol identifier for the smart card operating system according to the current communication protocol identifier.
  • the communication protocol detecting module determines whether the command is consistent with the command in the current communication protocol of the smart card operating system according to the establishing communication connection command of the terminal.
  • the communication protocol selection module polls the communication protocol supported by the smart card operating system according to the priority of various communication protocols when the terminal establishes the communication connection command and the command in the current communication protocol of the smart card operating system is inconsistent, and Change the communication protocol ID accordingly.
  • the communication protocol setting module includes at least one communication protocol initialization submodule;
  • the communication protocol initialization sub-module is configured to initialize parameters of a communication protocol used by the smart card operating system.
  • the parameters of the communication protocol include: a modulation and demodulation method and a communication rate.
  • the device for realizing the adaptive function of the communication protocol of the invention uses the communication protocol detection module to determine whether the communication protocol of the smart card operating system and the communication protocol of the terminal are consistent; and the two are inconsistent Under the communication protocol selection module, the smart card operating system ii selects a communication protocol with the same type of communication protocol as the terminal. Therefore, this avoids the inconvenience of manually selecting a communication protocol for the smart card operating system, and therefore, even in various communications. In the case where the protocol exists at the same time, the smart card operating system can also automatically select the appropriate communication protocol according to the type of communication protocol of the terminal.
  • the implementation of the adaptive function in the communication protocol includes:
  • the method includes:
  • the steps (1) and (2) described further include:
  • the step (2) is specifically:
  • the step (3) is specifically:
  • each communication protocol supported by the smart card operating system is polled, and the if protocol label is changed accordingly.
  • Each communication protocol supported by the polling smart card operating system is specifically:
  • the step 3 ⁇ 4 (11) is specifically as follows:
  • the parameters of the communication protocol include: a modulation and demodulation method and a communication rate.
  • the step (121) can also be:
  • the communication protocol is Type A, Type B, Type C, Type D, Type E, Type F or Type G.
  • the method for realizing the adaptive function of the communication protocol of the present invention determines whether the communication protocol of the set smart card operating system is consistent with the communication protocol of the terminal, and in the case of inconsistency, automatically selects a communication protocol for the operating system of the smart card, and finally makes The communication protocol types of the two are the same. Therefore, this avoids the step of manually cumbersome modification of the communication protocol for the smart card operating system, enabling the smart card operating system to automatically select the appropriate communication protocol based on the type of communication protocol of the terminal.
  • FIG. 1 is a structural diagram of an apparatus for implementing an adaptive function in a communication protocol of the present invention
  • FIG. 2 is a structural diagram of a communication module added to the basis of FIG. 1;
  • Figure 3 is a structural diagram after the initialization module is added on the basis of Figure 2;
  • FIG. 4 is a flow chart showing a method for implementing an adaptive function in a communication protocol of the present invention
  • FIG. 5 is a specific flowchart of a method for implementing an adaptive function in a communication protocol of the present invention.
  • the implementation device of the adaptive function in the communication protocol of the present invention comprises: a communication protocol setting module, a communication protocol detecting module, and a communication protocol selecting module.
  • the communication protocol is configured to set a communication protocol for the smart card operating system, the communication protocol includes at least a communication protocol included in the terminal, and the communication protocol detection module is configured to determine the operation of the smart card. Whether the communication protocol of the system is consistent with the communication protocol of the terminal; the communication protocol selection module is configured to select the communication protocol of the smart card operating system consistent with the communication protocol of the terminal when the communication protocol of the smart card operating system is inconsistent with the communication protocol of the terminal Protocol.
  • the device for implementing the adaptive function in the communication protocol of the present invention determines whether the communication protocol of the smart card operating system and the communication protocol of the terminal are consistent according to the communication protocol of the set smart card operating system; and in the case of inconsistency
  • the communication protocol selection module selects a communication protocol that is consistent with the type of the communication protocol of the terminal for the smart card operating system. Therefore, this avoids the inconvenience of manually selecting a communication protocol for the smart card operating system, especially when multiple communication protocols are present at the same time, so that the smart card operating system can automatically select an appropriate communication protocol according to the communication protocol type of the terminal.
  • the device for implementing the adaptive function in the communication protocol of the present invention is based on the device shown in FIG. 1, and further includes a communication module for establishing communication for the smart card operating system and the terminal, and changing the current communication protocol.
  • logo That is, the last successful communication identifier is the current communication protocol identifier.
  • the apparatus for implementing the adaptive function in the communication protocol of the present invention further includes: an initialization module, configured to initialize a current communication protocol identifier of the smart card operating system;
  • the communication protocol setting module is configured to configure, according to the current communication protocol identifier, a communication protocol corresponding to the current communication protocol identifier for the smart card operating system.
  • the communication protocol selection module is configured to select a communication protocol consistent with the communication protocol of the terminal for the smart card operating system when the communication protocol of the smart card operating system is inconsistent with the communication protocol of the terminal, and change the current communication protocol identifier.
  • the smart card operating system In the process of initializing the current communication protocol identifier, the smart card operating system first sets a unique identifier for each of the supported communication protocols; then, Type A, Type B, Type C, Type D, Type E In the communication protocol such as Type F or Type G, the identifier corresponding to the communication protocol is set as the default current communication protocol identifier.
  • the smart card operating system can also initialize the current communication protocol identifier according to the communication protocol identifier of the last successful communication after assigning a unique identifier to each communication protocol.
  • the current communication protocol identifier indicates the communication protocol used by the current smart card operating system.
  • the communication protocol identifier of the last successful communication indicates the communication protocol used by the smart card operating system and the terminal when the last communication was successful. This method is especially suitable for applications where multiple communication protocols exist simultaneously.
  • the communication protocol setting module can set the communication protocol for the smart card operating system according to the current communication protocol identifier, so that the communication protocol setting module is targeted in the process of setting the communication protocol, especially in the smart card operating system supporting multiple communication protocols. At the time, it can greatly improve the efficiency of self-adaptation.
  • the communication protocol setting module may include at least one communication protocol initialization module for initializing parameters of a communication protocol used by the smart card operating system.
  • the parameters include: a modulation and demodulation method and a communication rate corresponding to a communication protocol used by the smart card operating system.
  • the parameters to be set are: Select the modulation and demodulation mode as Type A, set the amplitude shift keying signal (ASK) with a modulation depth of 100%, and use the Miller code for the coding mode. 106kbps and so on.
  • the parameters to be set are: Select the modulation and demodulation mode as Type B, set the amplitude shift keying signal (ASK) with a modulation depth of 10%, and the encoding mode is non-return-to-zero coding. Select the communication rate. It is 106kbps and so on.
  • Different communication protocol initialization modules can be set up depending on the communication protocol supported by the smart card operating system. So this makes The implementation device of the adaptive function in the communication protocol of the invention can adapt to the situation that multiple communication protocols exist at the same time.
  • each communication protocol establishes a communication connection
  • the commands sent by the terminal to the smart card are different from each other.
  • the terminal first sends a REQA or WUPA command
  • the Type B communication protocol establishes a communication connection
  • the terminal sends a REQB or WUPB command. Therefore, the communication protocol detecting module, in the process of establishing a connection in communication, if the smart card operating system finds that the data received from the terminal is not the command specified in the currently used communication protocol, then the communication protocol of the smart card operating system and the terminal are described.
  • the communication protocol is inconsistent.
  • the terminal adopts the Type A protocol and the smart card operating system adopts the Type B protocol
  • the terminal sends a REQA or WUPA command in the request to establish a communication connection
  • the smart card operating system receives the command.
  • An error signal will be generated, then ⁇ " thereby determining that the communication protocol between the terminal and the smart card operating system is inconsistent.
  • the communication protocol selection module sets different priorities for various communication protocols supported by the smart card operating system. For example, the Type A communication protocol has the highest priority, the Type B communication protocol has the lower priority, followed by the Type C communication protocol, the Type D communication protocol... Looking at the communication protocol type of the card operating system.
  • the communication protocol selection module selects a communication protocol lower than the priority of the current communication protocol for the smart card operating system according to the current communication protocol identifier, as the communication protocol currently used by the smart card operating system. If the current communication protocol identifier indicates that the current communication protocol has the lowest priority, then the communication protocol with the highest priority is selected as the current communication protocol used by the smart card operating system, and the current communication protocol identifier is changed.
  • the communication protocol setting module sets the parameters of the communication protocol according to the changed communication protocol identifier, and then the communication protocol detection module determines whether the communication protocol selected for the smart card operating system is consistent with the communication protocol of the terminal, if the communication protocols of the two are still inconsistent, Then repeat the above process until the communication protocols of the two are consistent.
  • each communication protocol supported by the smart card operating system can be traversed, so even in the case where multiple communication protocols exist at the same time, It also guarantees successful communication between the smart card and the terminal.
  • the present invention also provides a method for implementing the adaptive function in the communication protocol.
  • the implementation method of the adaptive function in the communication protocol includes the following steps: ( ⁇ ) setting a smart card operating system setting communication protocol for the smart card operating system, where the communication protocol includes at least a communication protocol included in the terminal. ;
  • the method for realizing the adaptive function of the communication protocol of the present invention determines whether the communication protocol of the set smart card operating system is consistent with the communication protocol of the terminal, and in the case of inconsistency, automatically selects a communication protocol for the smart card operating system, and finally makes the two The communication protocol types are the same. Therefore, this avoids manually selecting the cumbersome sending instructions in the communication protocol for the smart card operating system, so that the smart card operating system can automatically select an appropriate communication protocol according to the type of communication protocol of the terminal.
  • the current communication protocol identifier indicates a communication protocol used by the current smart card operating system.
  • the last successful communication protocol identifier indicates the communication protocol used by the smart card operating system and the terminal when the last communication was successful.
  • (52) root current communication protocol identifier call the corresponding communication protocol in the communication protocol setting module to initialize the f module, and set the parameters of the current communication protocol of the smart card operating system;
  • the parameters include: a modulation and demodulation method and a communication rate corresponding to a communication protocol used by the smart card operating system.
  • the parameters to be set are: Select the modulation and demodulation mode as Type A, set the amplitude shift keying signal (ASK) with a modulation depth of 100%, and encode the Miller code for the dish, select the communication rate. It is 106kbps.
  • the Type B communication protocol you need The set parameters are: Select the modulation and demodulation mode as Type B, set the amplitude shift keying signal (ASK) with a modulation depth of 10%, the encoding mode is non-return-to-zero encoding, and select the communication rate of 106kbps.
  • step (S5) determining whether the communication protocol of the smart card operating system is consistent with the communication protocol of the terminal, if yes, proceeding to step (S5); if not, proceeding to step (S4);
  • This step is specifically as follows: setting different priorities for various communication protocols supported by the smart card operating system, so as to select a communication protocol lower than the priority of the current communication protocol for the smart card operating system according to the current communication protocol identifier, As the communication protocol currently used by smart card operating systems. If the current communication protocol identifier indicates that the current communication protocol has the lowest priority, then the communication protocol with the highest priority is selected as the current communication protocol used by the smart card operating system, and the current communication protocol is changed. Go to step (S2).
  • the communication protocol identifier of a successful communication is the current communication protocol identifier.
  • the step (S1) may also be implemented in the following manner: after assigning a unique identifier to each communication protocol respectively, the current communication protocol identifier is defaulted to an identifier corresponding to any one of the communication protocols supported by the smart card operating system,
  • the communication protocol is Type A, Type B Type C, Type D, Type E, Type F or Type G.
  • Type A and Type B communication protocols supported by the smart card operating system in the IS014443 specification are used as examples. Then, the priority of the Type A communication protocol is set to 1, and the priority of the Type B communication protocol is set to 0. Type A The communication protocols with higher priority than Type B Type A and Type B are represented by 1 and 0 respectively.
  • the adaptive process of the smart card operating system communication protocol is as follows:
  • step (5) If the communication detection module determines whether the current smart card operating system communication protocol is consistent with the terminal communication protocol, if the two are consistent, then go to step (5), otherwise go to step (4).
  • the current communication protocol identifier is 1, the current communication protocol of the smart card operating system is Type A ⁇ ! For the protocol, change the current communication protocol identifier to 0, that is, select the Type B communication protocol for the smart card operating system. If the current communication protocol identifier is 0, that is, the current communication protocol of the smart card operating system is Type B communication protocol, change the current communication protocol to 1, that is, select the Type A communication protocol for the smart card operating system. Then go to step (2).
  • the communication protocol identifier of 4 successful communication is equal to the current communication protocol identifier.
  • the smart card establishes a communication connection through the communication module and the terminal to perform communication.
  • the method for realizing the adaptive function of the communication protocol of the present invention determines whether the communication protocol of the set smart card operating system is consistent with the communication protocol of the terminal, and in the case of inconsistency, automatically selects a communication protocol for the smart card operating system, and finally makes two The type of communication protocol is the same. Therefore, this avoids the cumbersome sending instructions in the manner of manually selecting a communication protocol for the smart card operating system, so that the smart card operating system can automatically select an appropriate communication protocol according to the type of communication protocol of the terminal.

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Description

通讯协议中自适应功能的实现装置及方法 技术领域
本发明涉及通讯技术, 尤其涉及通讯协议中自适应功能的实现装置及方 法。
背景技术
通信协议是现代通信系统中必不可少的、 非常重要的组成部分。 通讯协议 称为通信系统的软体, 与硬体(各种通信设备)一起完成通信信息的传递。
在 IS014443标准中定义了两种非接触通讯协议: Type A和 Type B。 其中 Type A是由 Phi l ips等半导体公司最先开发和使用的, 主要特点是设计筒单 扼要, 应用项目的开发周期短, 同时又能适用于艮多场合。 Type B是一个开 放式的非接触式智能卡标准, 所有的读写操作可以由具体的应用系统开发者 定义。 因此, Type B被世界上众多的智能卡厂家接受。
虽然现有的智能卡芯片一般在物理层上会支持全部的这两种通讯协议 , 智 能卡操作系统也全部能够应用这两种通讯协议, 但是用户必须通过手动的方 式来选择当前智能卡操作系统所使用的通讯协议。
这种手动 择一般是通过一些特定的指令(由设计人员自己定义的指令) 来完成的。 比如用户想选择 Type A通讯协议, 那么用户必须先向智能卡发送 这些特定的指令。 当这些特定的指令执行完成后, 智能卡操作系统的当前通 讯协议就变成了 Type A。 同理, 如果用户想选择 Type B通讯协议, 还需要重 复上述过程。
J 手动选择智能卡操作系统的非接触通讯协议这一方案的缺点是: 用户在使 用智能卡时 必须预先知道终端所使用的通讯协议类型, 然后才能对应手动 调整智能卡操作系统的当前通讯协议类型, 使得智能卡操作系统的当前通讯 协议类型和终端所使用的通讯协议类型一致。 只有这样, 智能卡才能够正常 使用。 但是这样就给用户带来了很多的不便, 而且用户在很多时候并不清楚 应该使用何种通讯协议, 这就造成用户无法利用智能卡完成相应的功能。 尤 其是当多种通讯协议存在时, 例如 Type C/Type D/Type E/Type F/Type G等 5种通讯协议类型, 这就更难以保证通讯的顺利进行。
发明内容
本发明的目的在于提供一种通讯协议自适应功能的实现装置及方法, 以使 智能卡操作系统能够根据终端的通讯协议类型自动选择与其对应的通讯协 议。
本发明通讯协议自适应功能的实现装置, 采用以下技术方案:
通讯协议 自适应功能的实现装置, 包括:
通讯协议设置模块, 用于为智能卡操作系统设置通讯协议;
通讯协议检测模块, 用于判断智能卡操作系统的通讯协议是否与终端的通 讯协议一致;
通讯协议选择模块, 在智能卡操作系统的通讯协议与终端的通讯协议不一 蘇时, 用于为智能卡操作系统选择与终端的通讯协议一致的通讯协议。
所述装置还包括:
通讯模块, 在智能卡操作系统的通讯协议与终端的通讯协议一致时, 用于 为智能卡操作系统和终端建立通讯。
进一步地, 所述装置还包括: 初始化模块, 用于初始化智能卡操作系统的 当前通讯协议标识;
... 所述的通讯协议设置模块, 用于根据当前通讯协议标识, 为智能卡操作系 统配置与当前通讯协议标识相对应的通讯协议。
所述的通讯协议检测模块, 根据终端的建立通讯连接命令, 判断所述的命 令与智^卡操作系统的当前通讯协议中的命令是否一致。
所述的通讯协议选择模块, 在终端的建立通讯连接命令与智能卡操作系统 的当前通讯协议中的命令不一致时, 根据各种通讯协议的优先级, 轮询智能 卡操作系统所支持的通讯协议, 并相应的更改通讯协议标识。
" 所述的通 ¾协议设置模块包括至少一个通讯协议初始化子模块; 所述的通讯协议初始化子模块, 用于初始化智能卡操作系统所使用的通讯 协议的参数。
所述的通讯协议的参数包括: 调制解调方式和通讯速率。
本发明通讯协议自适应功能的实现装置, 根据设置的智能卡操作系统的通 讯协议, 利用通讯协议检测模块判断智能卡操作系统的通讯协议和终端的通 "^协议是否一致; 并在二者不一致的情况下, 利用通讯协议选择模块为智能 卡操作系统 ii择与终端的通讯协议类型一致的通讯协议。 因此, 这就避免了 需要手动为智能卡操作系统选择通讯协议的不便, 因此, 即使是在多种通讯 协议同时存在的情况下, 智能卡操作系统也能够才艮据终端的通讯协议类型自 动选择合适的通讯协议。
本发明通讯协议自适应功能的实现方法, 采用以下技术方案:
通讯协议中自适应功能的实现方法, 包括:
( I ) 为智能卡操作系统设置智能卡操作系统设置通讯协议, 所述的通讯 协议至少包括终端的通讯协议;
( 2 )判断智能卡操作系统的通讯协议是否与终端的通讯协议一致;
( 3 )在智能卡操作系统的通讯协议与终端的通讯协议不一致时, 为智能 卡操作系统选择与终端的通讯协议一致的通讯协议。
所述方法 包括:
( 4 )在智能卡操作系统的通讯协议与终端的通讯协议一致时, 为智能卡 操作系统和终端建立通讯。
所述的步骤( 1 )和( 2 )之间还包括:
( I I )初始化智能卡操作系统的通讯协议标识;
( 12 )根据通讯协议标识, 为智能卡操作系统配置与当前通讯协议标识相 对应的通讯协议, 并初始化智能卡操作系统所使用的通讯协议的参数。
所述步骤(2 )具体为:
根据终端的建立通讯连接命令, 判断所述的命令与智能卡操作系统的通讯 协议中的命令是否一致。
所述步骤(3 )具体为:
在智能卡操作系统的通讯协议与终端的通讯协议不一致时, 根据各种通讯 协议的优先级, 轮询智能卡操作系统所支持的每种通讯协议, 并相应的更改 if讯协议标 。
所述的轮询智能卡操作系统所支持的每种通讯协议具体为:
为智能卡操作系统选择比当前通讯协议低一级的通讯协议, 如果当前通讯 协议的优先级最低, 那么为智能卡操作系统选择优先级别最高的通讯协议, 并将当前通讯协议标识更改为重新为智能卡操作系统所选择的通讯协议对应 的标识。 ,
所述的步¾ ( 11 )具体为:
( 111 ) 为每种通讯协议分配一个唯一标识;
( 121 )将上一次成功通讯的通讯协议标识设置成当前通讯协议标识。 所述的通讯协议的参数包括: 调制解调方式和通讯速率。
所述步骤(121 )还可为:
' 将当前通讯协议标识默认为智能卡操作系统支持的任一种通讯协议所对 应的标识。
所. 的通讯协议为 Type A, Type B, Type C, Type D, Type E, Type F 或 Type G协议。
本发明通讯协议自适应功能的实现方法, 通过判断设置的智能卡操作系统 的通讯协议与终端的通讯协议是否一致, 并在不一致的情况下, 自动的为智 ^卡操作系统选择通讯协议, 最终使得二者的通讯协议类型一致。 因此, 这 就避免了手动为智能卡操作系统选择通讯协议的烦瑣的修改指令的步骤, 而 使得智能卡操作系统能够根据终端的通讯协议类型自动选择合适的通讯协 议。
附图说明 图 1是本发明的通讯协议中自适应功能的实现装置的结构图; 图 2是在图 1的基础上增加了通讯模块后的结构图;
图 3是在图 2的基础上增加了初始化模块后的结构图;
图 4是本发明的通讯协议中自适应功能的实现方法的流程图;
图 5 是本发明的通讯协议中自适应功能的实现方法的具体流程图。
具体实施方式
下面结合附图对本发明做详细说明。
如图 1所示, 本发明的通讯协议中自适应功能的实现装置包括: 通讯协议 设置模块, 通讯协议检测模块以及通讯协议选择模块。 其中, 所述的通讯协 议设置; f莫块, 用于为智能卡操作系统设置通讯协议, 所述的通讯协议至少包 含终端所包含的通信协议; 所述的通讯协议检测模块, 用于判断智能卡操作 系统的通讯协议是否与终端的通讯协议一致; 所述的通讯协议选择模块, 在 智能卡操作系统的通讯协议与终端的通讯协议不一致时, 用于为智能卡操作 统选择与'终端的通讯协议一致的通讯协议。
因此, 本发明通讯协议中自适应功能的实现装置, 根据设置的智能卡操作 系统的通讯协议, 利用通讯协议检测模块判断智能卡操作系统的通讯协议和 终端的通讯协议是否一致; 并在不一致的情况下, 利用通讯协议选择模块为 智能卡操作系统选择与终端的通讯协议类型一致的通讯协议。 因此, 这就避 免了需要手动为智能卡操作系统选择通讯协议的不便, 尤其是在多种通讯协 议同时存在时, 也能使得智能卡操作系统能够根据终端的通讯协议类型自动 选择合适的通讯协议。
如图 · 2所示, 本发明通讯协议中自适应功能的实现装置在图 1所示的装置 的基础上, 还包括通讯模块, 用于为智能卡操作系统和终端建立通讯, 并更 改当前通讯协议标识。 即令上一次成功通讯标识为当前通讯协议标识。
作为进一步改进, 如图 3所示, 本发明的通讯协议中自适应功能的实现装 置还包括: 初始化模块, 用于初始化智能卡操作系统的当前通讯协议标识; 所述的通讯协议设置模块, 用于根据当前通讯协议标识, 为智能卡操作系统 配置与当前通讯协议标识相对应的通讯协议。 所述的通讯协议选择模块, 在 智能卡操作系统的通讯协议与终端的通讯协议不一致时, 用于为智能卡操作 系统选择与终端的通讯协议一致的通讯协议, 并更改当前通讯协议标识。
在初始化模块在初始化当前通讯协议标识的过程中, 智能卡操作系统首先 分别为其所支持的各种通讯协议设置一个唯一的标识; 然后, 将 Type A, Type B, Type C, Type D, Type E, Type F或 Type G等通讯协议中, 其中一种的 通讯协 ^义所对应的标识设置为默认的当前通讯协议标识。
当然, 智能卡操作系统也可在为每种通讯协议分配一个唯一标识后, 根据 上一次成功通讯的通讯协议标识初始化当前通讯协议标识。 所述的当前通讯 协议标识表明当前智能卡操作系统所采用的通讯协议。 所述的上一次成功通 讯的通讯协议标识表明智能卡操作系统和终端在上一次通讯成功时所采用的 通讯协议。 这种方法尤其适合应用在多种通讯协议同时存在的情况下。
这样, 通讯协议设置模块就可以根据当前通讯协议标识, 为智能卡操作系 统设置通讯协议, 从而使得通讯协议设置模块在设置通讯协议的过程中具有 针对性, 尤其是在智能卡操作系统支持多种通讯协议的时候, 能够大大提高 自适应的效率。
作为进一步改进, 所述通讯协议设置模块可以包括至少一个通讯协议初始 化模块, 用来初始化智能卡操作系统所使用的通讯协议的参数。 所述的参数 包括: 智能卡操作系统所使用的通讯协议所对应的调制解调方式和通讯速率。 对于 Type A通讯协议来说, 需要设置的参数有: 选择调制解调方式为 Type A, 设置调制深度为 100 %的幅移键控信号(ASK ), 编码方式采用米勒编码, 选择 通讯速率为 106kbps等。 对于 Type B通讯协议来说, 需要设置的参数有: 选 择调制解调方式为 Type B, 设置调制深度为 10 %的幅移键控信号 (ASK ), 编 码方式为不归零编码, 选择通讯速率为 106kbps 等。 居智能卡操作系统所 支持通讯协议的不同, 可以设置不同的通讯协议初始化模块。 因此, 这就使 得本发明通讯协议中自适应功能的实现装置可以适应多种通讯协议同时存在 的情况。
由于每种通讯协议建立通讯连接的过程中, 终端向智能卡发送的命令互不 相同。 以 Type A和 Type B通讯协议为例, Type A通讯协议在建立通讯连接 时, 终端会首先发送 REQA或者 WUPA命令, 而 Type B通讯协议在建立通讯连 接时, 终端会发送 REQB或者 WUPB命令。 因此所述的通讯协议检测模块, 在 通讯建立连接的过程中, 如果智能卡操作系统发现从终端接收的数据不是当 前所使用的通讯协议中规定的命令, 那么说明智能卡操作系统的通讯协议和 终端的通讯协议不一致。 例如, 若终端采用的是 Type A协议, 而智能卡操作 系统采用的是 Type B协议, 那么当终端在建立通讯连接的请求中, 发送 REQA 或者 WUPA命令时, 智能卡操作系统在接收这个命令时, 就会产生错误信号 , 那么就 ^"由此来判断出终端与智能卡操作系统的通讯协议不一致。
同时, 所述的通讯协议选择模块预先为智能卡操作系统所支持的各种通讯 协议设置不同的优先级。 例如, 设定 Type A通讯协议的优先级别最高, Type B通讯协议的优先级次之, 接着是 Type C通讯协议, Type D通讯协议 ... ...在 看能卡操作系统的通讯协议类型与终端的通讯类型不一致时, 通讯协议选择 模块根据当前通讯协议标识, 为智能卡操作系统选择比当前通讯协议优先级 低一级的通讯协议, 以作为智能卡操作系统当前使用的通讯协议。 若当前通 讯协议标识表明当前通讯协议的优先级别最低, 那么将选择优先级别最高的 通讯协议作为智能卡操作系统所使用的当前通讯协议 , 并更改当前通讯协议 标识。 由通讯协议设置模块根据更改后的通讯协议标识设置通讯协议的参数, 再由通讯协议检测模块判断重新为智能卡操作系统选择的通讯协议是否与终 端的通讯协议一致若二者的通讯协议仍然不一致, 则重复上述过程, 直到二 者的通讯协议一致为止。
由于通讯协议选择模块建立了一个轮询机制, 可以把智能卡操作系统支持 的每种通讯协议都遍历到, 所以即使是在多种通讯协议同时存在的情况下, 也能保证智能卡和终端的成功通讯。
为与通讯协议中自适应功能的实现装置相对应, 本发明还提供了一种通讯 协议中自适应功能的实现方法。
如图 4所示, 所述的通讯协议中自适应功能的实现方法包括如下步骤: ( Γ) 为智能卡操作系统设置智能卡操作系统设置通讯协议, 所述的通讯 协议至少包含终端所包含的通信协议;
( 2 )判断智能卡操作系统的通讯协议是否与终端的通讯协议一致; ( 3 )在智能卡操作系统的通讯协议与终端的通讯协议不一致时, 为智能 卡操作系统选择与终端的通讯协议一致的通讯协议。
本发明通讯协议自适应功能的实现方法, 通过判断设置的智能卡操作系统 的通讯协议与终端的通讯协议是否一致, 在不一致的情况下, 自动的为智能 卡操作系统选择通讯协议, 最终使得二者的通讯协议类型一致。 因此, 这就 避免了手动为智能卡操作系统选择通讯协议中的烦瑣的发送指令, 而使得智 能卡操作系统能够根据终端的通讯协议类型自动选择合适的通讯协议。
如图 5所^, 本发明通讯协议中自适应功能的实现方法的具体过程如下:
( 51 )分别为每种通讯协议分配一个唯一标识, 令当前通讯协议标识为上 一次成功通讯协议标识;
所述的当前通讯协议标识表明当前智能卡操作系统所采用的通讯协议。 所 述的上一次成功通讯协议标识表明智能卡操作系统和终端在上一次通讯成功 时所采用的通讯协议。
( 52 )根 当前通讯协议标识, 调用通讯协议设置模块中相应的通讯协议 初始化 f模块, 设置智能卡操作系统的当前通讯协议的参数;
所述的参数包括: 智能卡操作系统所使用的通讯协议所对应的调制解调方 式和通讯速率。 对于 Type A通讯协议来说, 需要设置的参数有: 选择调制解 调方式为 Type A, 设置调制深度为 100 %的幅移键控信号 (ASK ), 编码方式 菜用米勒编码, 选择通讯速率为 106kbps。 对于 Type B通讯协议来说, 需要 设置的参数有: 选择调制解调方式为 Type B, 设置调制深度为 10 %的幅移键 控信号(ASK ), 编码方式为不归零编码, 选择通讯速率为 106kbps
( 53 )判断智能卡操作系统的通讯协议与终端的通讯协议是否一致, 若一 致, 则转到步骤(S5 ); 若不一致, 则转到步骤(S4 );
( 54 )为智能卡操作系统选择与终端通讯协议相一致的通讯协议, 并设置 当前通讯协议标识。
这一步骤具体为: 为智能卡操作系统所支持的各种通讯协议设置不同的优 先级, 这样, 根据当前通讯协议标识, 为智能卡操作系统选择比当前通讯协 议优先级低一级的通讯协议, 以作为智能卡操作系统当前使用的通讯协议。 若当前通讯协议标识表明当前通讯协议的优先级别最低, 那么将选择优先级 别最高的通讯协议作为智能卡操作系统所使用的当前通讯协议, 并更改当前 通讯协议标。 转到步骤(S2 )。
( S5 )令_^1!一次成功通讯的通讯协议标识为当前通讯协议标识。
( S6 )智能卡和终端建立通讯连接, 进行通讯。
所述步骤(S1 )还可采用这样的方式实现: 分别为每种通讯协议分配一个 唯一标识后, 将当前通讯协议标识默认为智能卡操作系统支持的任一种通讯 协议所对应的标识, 所述的通讯协议为 Type A, Type B Type C, Type D, Type E, Type F或 Type G
. 下面举例详细说明本发明的通讯协议中自适应功能的实现方法。
以 IS014443规范中规定智能卡操作系统可支持的 Type A, Type B两种通 讯协议为例, 那么将 Type A通讯协议的优先级别设定为 1 , Type B通讯协议 的优先级别设定为 0 Type A的优先级别高于 Type B Type A和 Type B的 通讯协议表示分别为 1和 0。 智能卡操作系统通讯协议自适应过程如下:
.. ( 1 )令当前通讯协议标识等于上一次成功通讯协议标识。 如果上一次成 功通讯协议标识不存在, 则设置当前通讯协议标识为 1, 即选择 Type A通讯 协议。 ( 2.)如果当前通讯协议标识为 1 , 则通讯协议设置模块调用 Type A通讯 协议初始化子模块初始化 Type A的参数, 否则调用 Type B通讯协议初始化 子模块初始化 Type B的参数。
( 3 )如果通讯检测模块判断当前智能卡操作系统通讯协议与终端通讯协 议是否一致 若二者一致, 则转到步骤(5 ), 否则转到步骤(4 )。
( 4 )如果当前通讯协议标识为 1 , 即智能卡操作系统当前的通讯协议为 Type A ^!讯协议, 则更改当前通讯协议标识为 0, 即为智能卡操作系统选择 Type B通讯协议。 如果当前通讯协议标识为 0, 即智能卡操作系统当前的通 讯协议为 Type B通讯协议, 则更改当前通讯协议为 1, 即为智能卡操作系统 选择 Type A通讯协议。 然后转到步骤(2 )。
( 5 )令 4一次成功通讯的通讯协议标识等于当前通讯协议标识。
( 6 )智能卡通过通讯模块和终端建立通讯连接, 进行通讯。
本发明通讯协议自适应功能的实现方法, 通过判断设置的置的智能卡操作 系统的通讯协议是否与终端的通讯协议一致, 在不一致的情况下, 自动的为 智能卡操作系统选择通讯协议, 最终使得二者的通讯协议类型一致。 因此, 这就避免了手动为智能卡操作系统选择通讯协议的方式中的烦瑣的发送指 令, 而使得智能卡操作系统能够根据终端的通讯协议类型自动选择合适的通 讯协议。
当然', 本发明还可有其他多种实施例, 在不背离本发明精神及其实质的情 况下, 本领域技术人员当可根据本发明做出各种相应的改变和变形, 但这些 相应的改变和变形都应属于本发明所附的权利要求的保护范围。

Claims

权利 要 求 书
1、 一种通讯协议中自适应功能的实现装置, 其特征在于包括:
通讯协议设置模块, 用于为智能卡操作系统设置通讯协议;
通讯协议检测模块, 用于判断智能卡操作系统的通讯协议是否与终端的通讯 协议一^;
通讯协议选择模块, 在智能卡操作系统的通讯协议与终端的通讯协议不一致 时, 用于为智能卡操作系统选择与终端的通讯协议一致的通讯协议。
2、 根据权利要求 1所述的通讯协议中自适应功能的实现装置, 其特征在于, 所述装置还包括:
通讯模块, 在智能卡操作系统的通讯协议与终端的通讯协议一致时, 用于为 智能卡操作系统和终端建立通讯。
3、 根据权利要求 1 所述的通讯协议自适应功能的实现装置, 其特征在于, 还包括:
初始化模块, 用于初始化智能卡操作系统的当前通讯协议标识;
所述的通讯协议设置模块, 用于根据当前通讯协议标识, 为智能卡操作系统 配置与当前通讯协议标识相对应的通讯协议。
4、 根据权利要求 1所述的通讯协议自适应功能的实现装置, 其特征在于, 所述的通讯协议检测模块, 根据终端的建立通讯连接命令, 判断所述的命令 与智能卡操作系统的当前通讯协议中的命令是否一致。
5、 根据权利要求 4所述的通讯协议中自适应功能的实现装置, 其特征在于, 所述的 if讯协议选择模块, 在终端的建立通讯连接命令与智能卡操作系统的 当前通讯协议中的命令不一致时, 根据各种通讯协议的优先级, 轮询智能卡操 作系统所支持的通讯协议, 并相应的更改通讯协议标识。
6、 根据权利要求 3所述的通讯协议中自适应功能的实现装置, 其特征在于, 所述的通讯协议设置模块包括至少一个通讯协议初始化子模块;
所述的通讯协议初始化子模块, 用于初始化智能卡操作系统所使用的通讯协 议的参数。
Ί、 根据权利要求 6所述的通讯协议中自适应功能的实现装置, 其特征在于, 所述的通讯协议的参数包括: 调制解调方式和通讯速率。
8、 一种通讯协议中自适应功能的实现方法, 其特征在于包括:
( I )为智能卡操作系统设置智能卡操作系统通讯协议;
( 2 )判断智能卡操作系统的通讯协议是否与终端的通讯协议一致;
( 3 )在智能卡操作系统的通讯协议与终端的通讯协议不一致时, 为智能卡 操作系统选择与终端的通讯协议一致的通讯协议。
9、 -根据权利要求 8 所述的通讯协议中自适应功能的实现方法, 其特征在于 还包括:
( 4 )在智能卡操作系统的通讯协议与终端的通讯协议一致时, 为智能卡操 作系统和终端建立通讯。
10、根据权利要求 8所述的通讯协议中自适应功能的实现方法,其特征在于, 所述的步骤( 1 )和( 2 )之间还包括:
( I I )初始化智能卡操作系统的通讯协议标识;
( 12 )根据通讯协议标识, 为智能卡操作系统配置与当前通讯协议标识相对 应的通讯协议, 并初始化智能卡操作系统所使用的通讯协议的参数。
11、根据权利要求 8所述的通讯协议中自适应功能的实现方法,其特征在于, 所述步骤( 2 )具体为:
根据终端的建立通讯连接命令, 判断所述的命令与智能卡操作系统的通讯协 议中的命令是否一致。
12、根据权利要求 8所述的通讯协议中自适应功能的实现方法,其特征在于, 所述步骤(3 )具体为:
在智能卡操作系统的通讯协议与终端的通讯协议不一致时, 根据各种通讯协 议的优先级, 轮询智能卡操作系统所支持的每种通讯协议, 并相应的更改通讯 协议标识。 1 3、 根据权利要求 12 所述的通讯协议中自适应功能的实现方法, 其特征在 于, 所述的轮询智能卡操作系统所支持的每种通讯协议具体为:
为智能卡操作系统选择比当前通讯协议低一级的通讯协议, 如果当前通讯协 议的优先级最低, 那么为智能卡操作系统选择优先级别最高的通讯协议, 并将 当前通讯协议标识更改为重新为智能卡操作系统所选择的通讯协议对应的标 识。
14、 根据权利要求 1 0 所述的通讯协议中自适应功能的实现方法, 其特征在 于, 所述的步骤(11 )具体为:
( 1 1 1 ) 为每种通讯协议分配一个唯一标识;
( 121 )将上一次成功通讯的通讯协议标识设置成当前通讯协议标识。
15、 根据权利要求 10所述的通讯协议中自适应功能的实现方法, 其特征在 于, 所述的通讯协议的参数包括: 调制解调方式和通讯速率。
16、、 根据权利要求 14 所述的通讯协议中自适应功能的实现方法, 其特征在 于, 所述步骤( 121 )还可为:
将当前通讯协议标识默认为智能卡操作系统支持的任一种通讯协议所对应 的标识。
17、根据权利要求 8所述的通讯协议中自适应功能的实现方法,其特征在于, 所述的通讯协议为 Type A, Type B, Type C , Type D, Type E , Type F或 Type G协议。 '
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