CN111611018A - Method, terminal system and equipment for being compatible with multi-model UHF reader-writers - Google Patents
Method, terminal system and equipment for being compatible with multi-model UHF reader-writers Download PDFInfo
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Abstract
The invention discloses a method for being compatible with multi-model UHF readers, which is characterized by comprising the following steps: configuring a database with multiple types of UHF reader-writer SDK information; constructing an abstract data interface; before the UHF reader-writer is connected, registering the UHF reader-writer to be accessed through an abstract data interface to generate registration information, wherein the registration information has an incidence relation with the SDK information of the corresponding UHF reader-writer; and when the UHF reader-writer is connected, acquiring the registration information of the connected UHF reader-writer, and acquiring the SDK information adaptive to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information. The invention also discloses a terminal system and equipment compatible with the multi-model UHF reader-writer, and according to the method, the system and the equipment disclosed by the invention, the calling mode and the data interaction mode of the SDK of the UHF reader-writer and the application system can be unified, so that the difficulty of developing in the application system in the prior art is overcome.
Description
Technical Field
The invention relates to the technical field of radio frequency identification, in particular to a method, a terminal system and equipment for being compatible with multi-model UHF readers.
Background
With the popularization of radio Frequency technology, UHF (Ultra High Frequency) readers are increasingly widely used. In practical application, a plurality of models of UHF readers of different manufacturers are often used to meet the requirements of different users. However, the existing UHF readers on the market are developed by using different programming languages (such as C + +, C #, Java, and the like), so that the characteristics of parameter configuration modes, operating modes, SDKs, and the like of different models of UHF readers need to be known during application system development, which results in greater development difficulty. In addition, because the physical interfaces of the digital signals provided by different types of UHF readers are different, the difficulty of the UHF readers in installation, implementation and maintenance is increased in practical application.
Disclosure of Invention
In order to solve the above problems, according to one of the objectives of the present invention, the inventor conceives that by providing a terminal configured with an SDK library with different types of UHF readers, when the terminal is connected to a UHF reader, the type of the UHF reader can be automatically detected, and a version matched with the UHF reader is retrieved and called in the SDK library, so that different UHF readers can work in the same application system, and a calling mode and a data interaction mode of the UHF reader SDK and the application system are unified, thereby overcoming the difficulty in developing in the application system in the prior art.
Further, according to the second object of the present invention, a digital signal interface capable of unifying various types of UHF readers is provided, which significantly reduces the difficulty of installation, implementation and maintenance of the UHF readers.
According to one aspect of the present invention, there is provided a method for compatible multi-model UHF readers, comprising the steps of: configuring a database with multiple types of UHF reader-writer SDK information; constructing an abstract data interface; before the UHF reader-writer is connected, registering the UHF reader-writer to be accessed through an abstract data interface to generate registration information, wherein the registration information has an incidence relation with the SDK information of the corresponding UHF reader-writer; when the UHF reader-writer is connected, the registration information of the connected UHF reader-writer is obtained, the SDK information adaptive to the connected UHF reader-writer is obtained according to the incidence relation between the obtained registration information and the SDK information, and the accessed UHF reader-writer is controlled according to the SDK information. By building the SDK information database with the UHF reader-writer, a referenceable object can be provided before different UHF reader-writers are accessed, and the corresponding UHF reader-writer does not need to be known and learned according to the specification. The UHF reader-writer is accessed through the abstract data interface, the SDK functions and the butt joint mode of all the UHF reader-writers can be unified, so that an upper computer/service system can be conveniently called, great convenience is provided for developers, the adaptive SDK information is determined through the database, the developers can directly use the SDK information to carry out development, maintenance and other operations, and the defect that a single type of UHF reader-writer is independently developed in the prior art is overcome.
In some embodiments, the registration information includes a device ID, the SDK information includes a device ID and an SDK storage path, and acquiring the SDK information adapted to the connected UHF reader according to the association relationship between the acquired registration information and the SDK information includes the following steps: reading the equipment ID of the accessed UHF reader-writer, and acquiring the SDK storage path of the SDK associated with the equipment ID according to the equipment ID; and connecting to the corresponding SDK according to the acquired SDK storage path so as to control the accessed UHF reader-writer to work through the SDK. Therefore, direct application can be carried out through the stored SDK path, access and work of UHF readers of different service scenes are controlled through default configuration items, the UHF readers with various types and functions can be adapted in a self-adaptive mode, diversified UHF reader requirements are met, and the application range is greatly expanded.
In some embodiments, the accessed UHF reader is registered through the abstracted data interface, and when the registration information is generated, manual/automatic identification of the model information is also performed.
In some embodiments, the SDK information further includes a default configuration item adapted to each SDK, and the method further comprises: reading the equipment ID of the accessed UHF reader-writer, and acquiring a default configuration item of the SDK associated with the equipment ID according to the equipment ID; and connecting to the corresponding SDK according to the acquired SDK storage path, and applying a default configuration item to drive the accessed UHF reader-writer to work. Therefore, the UHF reader can be directly driven to work according to the SDK storage path and the default configuration item, no matter the UHF reader with any type is accessed, the SDK can be directly called as long as the SDK information is stored in the database, the work is carried out according to the corresponding default configuration item, the function of accessing diversified UHF readers is realized, and the UHF reader is compatible with various UHF readers.
In some embodiments, data and control interfaces of configured UHF readers of various models are abstracted to generate a universal communication interface; when the accessed UHF reader-writer is controlled according to the SDK information, the SDK information is called to correspondingly control the accessed UHF reader-writer by responding to the calling of the communication interface. Through abstraction and communication interface, integrate multiple UHF read write line, conveniently carry out corresponding control operation to each UHF read write line.
According to another aspect of the present invention, there is provided a terminal system compatible with multiple models of UHF readers, including: the database is configured with multiple types of UHF reader-writer SDK information; the system comprises an abstract data interface, a data processing module and a data processing module, wherein the abstract data interface is used for registering a UHF reader-writer to be accessed and generating registration information, and the registration information has an incidence relation with the SDK information of the corresponding UHF reader-writer; and the compatible module is used for acquiring the registration information of the connected UHF reader-writer when the UHF reader-writer is connected, acquiring SDK information adaptive to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information, and controlling the accessed UHF reader-writer according to the SDK information. Various UHF readers can be unified in the system through the database storing various UHF reader SDK information and the abstract data interface, so that an upper computer/service system can be called conveniently, great convenience is provided for developers, the adaptive SDK information is determined through the database, the developers can directly use the adaptive SDK information to carry out development, maintenance and other operations, and the defect that a single type of UHF reader is developed independently in the prior art is overcome.
In some embodiments, the database is further configured with a default configuration item associated with the SDK information, and the compatible module is further configured to acquire the default configuration item adapted to the connected UHF reader according to the association relationship between the acquired registration information and the SDK information; the system further comprises: and the configuration module is used for driving the connected UHF reader-writer to work through the default configuration item and the SDK information. Therefore, different types of accessed UHF readers can be managed in a unified mode through the compatible module, access and work of the UHF readers in different service scenes are controlled through default configuration items, the UHF readers with various types and functions can be adapted in a self-adaptive mode, diversified UHF reader requirements are met, and the application range is greatly expanded.
In some embodiments, the system further includes an abstract communication interface, configured to provide a universal communication interface, so as to uniformly call the configured data and control interfaces of the multiple models of UHF readers, and when calling, correspondingly control the accessed UHF reader based on the identification of the compatible module on the SDK information of the accessed UHF reader. Therefore, various UHF reader-writers can be integrated through abstraction and communication interfaces, and corresponding control operation is conveniently carried out on each UHF reader-writer.
According to another aspect of the present invention, there is provided a device compatible with a multi-model UHF reader, including: the UHF reader-writer access module is used for establishing connection with the UHF reader-writer; the compatible processing module is used for carrying out compatible processing on the accessed UHF reader-writer and is realized as the terminal system compatible with the multi-model UHF reader-writer; and the external equipment access module is used for integrating various UHF reader-writers through abstraction and communication interfaces, and is convenient for carrying out corresponding control operation on each UHF reader-writer. And controlling the external equipment to communicate and control with the accessed UHF reader-writer through the compatible processing module. Therefore, the device can realize the function of compatibility with different types of UHF readers, thereby meeting the requirements of diversified UHF reader application scenes.
In some embodiments, the UHF reader access module and the external device access module each include multiple data interfaces. Therefore, UHF readers of various models can be accessed.
Drawings
Fig. 1 is a flowchart of a method for compatible with multiple model UHF readers according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for compatible with multi-model UHF readers and writers according to another embodiment of the present invention;
fig. 3 is a block diagram of a terminal system compatible with multiple types of UHF readers according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an apparatus compatible with multiple types of UHF readers according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows a flowchart of a method for compatible with multi-model UHF readers according to an embodiment of the present invention, and as shown in fig. 1, the present embodiment includes the following steps:
step S101: and configuring a database with multiple types of UHF reader-writer SDK information. The SDK information in the database is generally provided by a manufacturer of the UHF reader, and includes device information (hardware identifier, model, IP address/bluetooth name, baud rate, etc.) of the UHF reader corresponding to the model, tag information (TID, EPC, read/write time, password, etc.), GPIO information (IO identifier, high level/low level, etc.), etc., and a program interface for behavior control of each UHF reader, which exemplarily includes: connecting a reader/writer, turning the reader/writer on/off, reading a single/multiple RFID tag, writing data to a specific RFID tag, and the like. If the SDK information of the UHF reader that is subsequently accessed is not in the database, the database can be expanded and updated in a customized manner, so that the method is applicable to a wider range.
Step S102: and constructing an abstract data interface. Because the functions and the butt joint modes of the SDK information provided by each UHF reader manufacturer are different, an abstract interface is defined to unify the functions and the butt joint modes of the SDK information of all UHF readers, so that the communication and the calling of an upper computer/service system are facilitated by a cross-platform/cross-language communication interface (RPC/Http/shared file/Bluetooth and the like), and the abstract data interface is specifically realized by unifying the substantially same characteristics of each reader so as to achieve the unification of the calling modes. Illustratively, the reader-writer a has a function set { open reader-writer, close reader-writer }, and the disclosure method corresponding to the SDK is { OpenReader () }; the reader-writer B has a function set { open the reader-writer, close the reader-writer }, and the open method corresponding to the SDK is { EnableReader () }; it is obvious that A, B the functionality of the two readers is the same, but the name/method is different because the SDKs of different vendors are named differently. When the same functions of the A, B readers are abstracted through the abstracted data interface, the function sets are named as { OpenReader (), CloseReader () }, so that the calling modes are unified. Illustratively, the SDK information of the UHF reader-writer A is provided by a programming language C + + and is communicated with an upper computer/service system in a serial port/USB mode; the SDK information of the UHF reader-writer B is provided by a programming language C #, and is communicated with an upper computer/service system in a wired network port mode, and after the A, B UHF reader-writers are respectively connected, the upper computer/service system can respectively communicate and control with A, B through a designated programming language (such as Java) and a designated data interface (such as Bluetooth) through the control system.
Step S103: before the UHF reader-writer is connected, the UHF reader-writer to be accessed is registered through an abstract data interface, and registration information is generated through a manual input mode or an automatic identification mode. The accessed UHF reader-writer needs to find the corresponding SDK information to perform relevant control operation. Therefore, the accessed reader-writer model needs to be identified to find the corresponding SDK in the SDK library. The registration information and the corresponding SDK information of the UHF reader-writer have an association relationship and have a unique identification function. The registration information includes basic device information such as a device ID of the UHF reader, and illustratively, for the accessed reader a and reader B, a UID (unique identity) is obtained by automatic identification or manual marking to realize registration, and the registration information is explicitly expressed as different devices in the system. Therefore, when the calling party is used, the corresponding SDK can be called through the invention only by providing the UID corresponding to the A, B reader-writer. This makes it possible to distinguish between different UHF readers.
Step S104: and when the UHF reader-writer is connected, acquiring the registration information of the connected UHF reader-writer, and acquiring the SDK information adaptive to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information. The SDK information includes a device ID and an SDK storage path, and is specifically implemented as: firstly, reading the device ID of the accessed UHF reader-writer, acquiring the SDK storage path of the SDK associated with the device ID according to the device ID, and connecting to the corresponding SDK in the database according to the acquired SDK storage path, wherein the SDK information also comprises default configuration items adapted to each SDK. And after reading the device ID of the accessed UHF reader-writer, acquiring a default configuration item of the SDK associated with the device ID according to the device ID, connecting to the corresponding SDK according to the acquired SDK storage path, and driving the accessed UHF reader-writer to work by the default configuration item. The default item can be configured by self according to different service scenes and requirements, the mode of connecting a reader-writer, starting the reader-writer and starting to read the RFID label is accurate, the configuration information at least comprising the configuration information for connecting the reader-writer, starting the reader-writer and starting to read the RFID label mode can be realized, in other implementation examples, the configuration information at least comprising antenna power setting, baud rate setting, IP address setting and the like can be further included, so that the UHF reader-writer can work after being accessed, no matter the UHF reader-writer is accessed to any model, the SDK can be directly called as long as the SDK information is stored in a database, the work can be carried out according to the corresponding default configuration item, the function of accessing to diversified UHF reader-writers is realized, and the UHF reader-writer is compatible with various UHF reader-write.
Therefore, by the method disclosed by the embodiment, a database with the SDK information of the UHF reader-writer can be built, a referenceable object can be provided before different UHF reader-writers are accessed, and the corresponding UHF reader-writer does not need to be known and learned according to the specification. The UHF reader-writer is accessed through the abstract data interface, the SDK functions and the butt joint mode of all the UHF reader-writers can be unified, so that an upper computer/service system can be conveniently called, great convenience is provided for developers, the adaptive SDK information is determined through the database, the developers can directly use the SDK information to carry out development, maintenance and other operations, and the defect that a single type of UHF reader-writer is independently developed in the prior art is overcome.
Fig. 2 schematically shows a flowchart of a method for compatible with multi-model UHF readers according to another embodiment of the present invention, and as shown in fig. 2, this embodiment includes the following steps:
step S201 is the same as the implementation of step S101, and is not described herein again.
Step S202: abstracting the data and control interfaces of the configured UHF reader-writers with various models to generate a universal communication interface. The communication interface is used for the upper computer to call so as to operate the reader-writer or respond according to the information of the reader-writer. The concrete implementation is as follows: after step S203-step S205, when controlling the accessed UHF reader according to the SDK information thereof, the SDK information thereof is called to correspondingly control the accessed UHF reader by responding to the call to the communication interface.
The implementation manner of step S203 to step S205 is the same as the implementation manner of step S102 to step S104, and is not described herein again.
Therefore, the control of different accessed UHF readers-writers by an upper computer/a service system and the like can be realized through the introduced universal communication interface. And great convenience is provided for developers, and the adaptive SDK information is determined through the database, so that the developers can directly use the adaptive SDK information to carry out development, maintenance and other operations, and the defect of independent development of a single type UHF reader-writer in the prior art is overcome.
Fig. 3 schematically shows a block diagram of a multi-model UHF reader-writer compatible terminal system according to an embodiment of the present invention,
the terminal system compatible with the multi-model UHF reader-writer comprises a database 1, an abstract data interface 2 and a compatible module 3. The database 1 is configured with multiple types of UHF reader SDK information, including device information (hardware identifier, model, IP address/bluetooth name, baud rate, etc.), tag information (TID, EPC, read/write time, password, etc.) and GPIO information (IO identifier, high level/low level, etc.) of corresponding types of UHF readers, and program interfaces for behavior control of each UHF reader, and exemplarily includes: connecting a reader/writer, turning the reader/writer on/off, reading a single/multiple RFID tag, writing data to a specific RFID tag, and the like. If the SDK information of the UHF reader-writer which is accessed subsequently is not in the database, the database can be expanded and updated in a user-defined way. The abstract data interface 2 is used for registering a UHF reader to be accessed and generating registration information, wherein the registration information has an association relationship with corresponding SDK information of the UHF reader, and the association relationship has a mapping effect, wherein. The registration information includes basic device information such as a device ID of the UHF reader. The compatible module 3 is used for acquiring the registration information of the connected UHF reader-writer when the UHF reader-writer is connected, acquiring SDK information adapted to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information, and controlling the accessed UHF reader-writer according to the SDK information. The database 1 is further configured with a default configuration item associated with the SDK information, and the compatible module 3 is further configured to acquire a default configuration item adapted to a connected UHF reader according to an association relationship between the acquired registration information and the SDK information, where the default configuration item includes configurations of configuration information for connecting the reader, starting the reader, and starting a mode of reading an RFID tag, antenna power setting, baud rate setting, IP address setting, and the like. The system also comprises a configuration module 4, which is used for sending out a driving signal through a default configuration item and the SDK information and driving the connected UHF reader-writer to work according to the driving signal.
The system also comprises an abstract communication interface (not shown in the figure), which is used for providing a universal communication interface so as to uniformly call the data and control interfaces of the configured UHF readers of various models, and correspondingly control the accessed UHF readers based on the identification of the compatible module 3 to the SDK information of the accessed UHF readers when calling.
According to the system provided by the embodiment, the different types of UHF readers can be subjected to unified management through the compatible module, the access and the work of the UHF readers in different service scenes are controlled through the default configuration item, so that the UHF readers with various types and functions can be adapted in a self-adaptive manner, the requirements of diversified UHF readers are met, and the application range is greatly expanded.
Fig. 4 schematically shows a schematic diagram of a multi-model UHF reader compatible device according to an embodiment of the present invention, as shown in fig. 3,
the device carrier 5 of this embodiment is implemented as a microcomputer (raspberry group, research UP, etc.) equipped with a Linux/Windows system, and includes a UHF reader access module 7, an external device access module 6, and a compatible processing module (not shown in the figure), where the UHF reader access module 7 is used to establish connection with a UHF reader, and has multiple data interfaces, illustratively including USB, wired network port, bluetooth, WIFI, etc., and connects different types of UHF readers through different interfaces, so as to implement communication and control with the UHF reader, and the compatible processing module is used to perform compatible processing on the accessed UHF reader, and is implemented as the above-mentioned terminal system compatible with multiple types of UHF readers, and is installed in the system of the device carrier. The external device access module 6 is used for controlling the external device to communicate and control through the compatible processing module, has a plurality of data interfaces, exemplarily comprises a USB, a wired network port, a bluetooth, a WIFI, a GPIO and the like, and is connected with various external devices (such as a motor, various sensors, a three-color lamp and the like, hereinafter referred to as external devices) through the above manner, so as to realize communication and control with the external devices. Further, the external device refers to a matching device required for realizing a specific service scene, for example, after the UHF reader detects a specific signal, an audible and visual alarm needs to be given, then the specific signal needs to be converted and then the three-color lamp is activated to output the audible and visual alarm, and the three-color lamp is the external device.
According to the equipment provided by the embodiment, the function of compatibility with different types of UHF readers can be realized, so that the requirement of diversified UHF reader application scenes is met.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The method for being compatible with the multi-model UHF reader-writer is characterized by comprising the following steps:
configuring a database with multiple types of UHF reader-writer SDK information;
constructing an abstract data interface;
before the UHF reader-writer is connected, registering the UHF reader-writer to be accessed through the abstract data interface to generate registration information, wherein the registration information has an association relation with the SDK information of the corresponding UHF reader-writer;
and when the UHF reader-writer is connected, acquiring the registration information of the connected UHF reader-writer, acquiring SDK information adapted to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information, and controlling the accessed UHF reader-writer according to the SDK information.
2. The method of claim 1, wherein the registration information includes a device ID, the SDK information includes a device ID and an SDK storage path, and the obtaining the SDK information adapted to the connected UHF reader according to the obtained association relationship between the registration information and the SDK information includes the following steps:
reading the equipment ID of the accessed UHF reader-writer, and acquiring the SDK storage path of the SDK associated with the equipment ID according to the equipment ID;
and connecting to the corresponding SDK according to the obtained SDK storage path so as to control the work of the accessed UHF reader-writer through the SDK.
3. The method of claim 2, wherein the SDK information further comprises default configuration items adapted to the respective SDKs, and wherein the method further comprises the steps of:
reading the equipment ID of the accessed UHF reader-writer, and acquiring the default configuration item of the SDK associated with the equipment ID according to the equipment ID;
and connecting to the corresponding SDK according to the obtained SDK storage path, and applying the default configuration item to drive the accessed UHF reader-writer to work.
4. The method of claim 3, wherein the default configuration items comprise configuration information adapted to each SDK for connecting to a reader/writer, activating the reader/writer, and turning on a read RFID tag mode.
5. The method of any one of claims 1 to 4, further comprising
Abstracting the configured data and control interfaces of the UHF reader-writers with various models to generate a universal communication interface;
when the accessed UHF reader-writer is controlled according to the SDK information, the SDK information is called to correspondingly control the accessed UHF reader-writer by responding to the calling of the communication interface.
6. Compatible multi-model UHF read write line's terminal system, its characterized in that includes:
the database is configured with multiple types of UHF reader-writer SDK information;
the system comprises an abstract data interface, a data processing module and a data processing module, wherein the abstract data interface is used for registering a UHF reader-writer to be accessed and generating registration information, and the registration information has an incidence relation with the corresponding SDK information of the UHF reader-writer;
and the compatible module is used for acquiring the registration information of the connected UHF reader-writer when the UHF reader-writer is connected, acquiring SDK information adaptive to the connected UHF reader-writer according to the association relationship between the acquired registration information and the SDK information, and controlling the accessed UHF reader-writer according to the SDK information.
7. The system of claim 6, wherein the database is further configured with default configuration items associated with the SDK information,
the compatible module is also used for acquiring a default configuration item adapted to the connected UHF reader-writer according to the association relation between the acquired registration information and the SDK information;
the system further comprises:
and the configuration module is used for driving the connected UHF reader-writer to work through the default configuration item and the SDK information.
8. The system of claim 7, further comprising
And the abstract communication interface is used for providing a universal communication interface so as to uniformly call the data and control interfaces of the configured UHF readers of various models, and correspondingly controls the accessed UHF readers based on the identification of the compatible module to the SDK information of the accessed UHF readers when the data and control interfaces are called.
9. Compatible polytypic UHF read write line's equipment, its characterized in that includes:
the UHF reader-writer access module is used for establishing connection with the UHF reader-writer;
a compatible processing module, configured to perform compatible processing on an accessed UHF reader, and implement the terminal system compatible with the multi-model UHF reader of any one of claims 6 to 7; and
and the external equipment access module is used for integrating various UHF (ultra high frequency) reader-writers through abstraction and communication interfaces, and is convenient for carrying out corresponding control operation on each UHF reader-writer. And controlling the external equipment to communicate and control with the accessed UHF reader-writer through the compatible processing module.
10. The device of claim 9, wherein the UHF reader access module and the external device access module each include multiple data interfaces.
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| 徐京: "RFID技术在发电厂管理信息系统中的应用研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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