CN113886301A - Multi-serial port multi-protocol RFID data compatible conversion method - Google Patents
Multi-serial port multi-protocol RFID data compatible conversion method Download PDFInfo
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- CN113886301A CN113886301A CN202111213472.1A CN202111213472A CN113886301A CN 113886301 A CN113886301 A CN 113886301A CN 202111213472 A CN202111213472 A CN 202111213472A CN 113886301 A CN113886301 A CN 113886301A
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- serial port
- rfid
- protocol
- conversion circuit
- circuit board
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3852—Converter between protocols
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer And Data Communications (AREA)
- Communication Control (AREA)
Abstract
The invention discloses a multi-serial port multi-protocol RFID data compatible conversion method, which comprises a conversion circuit board with a plurality of serial port interfaces, wherein a single chip microcomputer for simultaneously controlling the plurality of serial port interfaces is welded on the conversion circuit board, the plurality of serial port interfaces on the conversion circuit board are respectively connected with RFID products with different communication protocols, a plurality of communication protocols for controlling the RFID products are integrated in the single chip microcomputer, and the conversion circuit board is also provided with an upper computer communication interface. The conversion circuit board of a multi-serial port interface is connected through a singlechip which internally integrates various RFID equipment communication protocols into a program, and an upper computer communication interface is connected with an upper computer and then communicated, so that the upper computer can control various RFID equipment connected with different serial port interfaces through various simple instruction protocols, and the multi-serial port multi-protocol RFID data compatibility conversion is realized.
Description
Technical Field
The invention relates to the technical field of multi-serial port data conversion, in particular to a multi-serial port multi-protocol RFID data compatible conversion method.
Background
In the field of RFID, according to different radio frequencies, RFID is divided into low frequency (125KHz), high frequency (13.56MHz) and ultrahigh frequency (860-960 MHz), and under the same frequency, the RFID is divided into a plurality of different international RFID standard protocols according to different modulation and coding modes, such as low frequency ISO11784/85, high frequency ISO14443A, ISO15693, ultrahigh frequency ISO18000-6B, ISO18000-6C and the like, the past applications are basically single frequency RFID applications, but with the development of the Internet of things industry, the number of mixed applications of multi-band multi-protocol RFID is increasing, and too many interfaces and a plurality of different communication protocols bring challenges to the development of upper computer programs, so a multi-serial port multi-protocol RFID data compatibility conversion method is needed to adapt to the development of the market.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multi-serial port multi-protocol RFID data compatible conversion method, which can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-serial port multi-protocol RFID data compatible conversion method comprises a conversion circuit board with a plurality of serial port interfaces, wherein a single chip microcomputer which controls the plurality of serial port interfaces simultaneously is welded on the conversion circuit board, the plurality of serial port interfaces on the conversion circuit board are respectively connected with RFID products with different communication protocols, the communication protocols of the plurality of control RFID products are integrated in the single chip microcomputer, and the conversion circuit board is further provided with an upper computer communication interface.
Furthermore, the conversion circuit board and the RFID products are both electrically connected with a power supply device for external power supply, and the power supply device comprises a main power supply connected with the conversion circuit board and auxiliary power supplies respectively connected with the RFID products.
Further, the upper computer communication interface comprises an RS232 interface and a network interface.
Further, the communication protocol integrated in the single chip microcomputer is not limited to the communication protocol connected with the RFID product.
Further, the singlechip converts the integrated different communication protocols of each bit into a communication protocol with a uniform format to communicate with the upper computer.
Furthermore, the communication protocol with the uniform format can be configured, and a plurality of conversion circuit boards can be used in parallel.
Compared with the prior art, the invention has the beneficial effects that:
the invention integrates a plurality of RFID equipment communication protocols into a single chip in a program through one section, connects a conversion circuit board with a plurality of serial interfaces, and utilizes an upper computer communication interface to connect with an upper computer, the upper computer can control various RFID equipment connected with different serial interfaces through a simple instruction protocol with uniform format, thereby realizing compatible conversion of the RFID data with the plurality of serial interfaces and the plurality of protocol configuration, the conversion circuit can work in parallel, realizing large-scale application of mixed RFID products, and having higher working efficiency and higher speed.
Drawings
FIG. 1 is a schematic diagram of a product framework of the present invention;
FIG. 2 is a flow chart of the software operating framework of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present invention provides a method for converting multiple serial ports and multiple protocols for RFID data compatibility, which includes a conversion circuit board having multiple serial ports, a single chip microcomputer for controlling the multiple serial ports simultaneously is welded on the conversion circuit board, the multiple serial ports on the conversion circuit board are connected to RFID products having different communication protocols, multiple communication protocols for controlling the RFID products are integrated in the single chip microcomputer, the conversion circuit board is further provided with an upper computer communication port, specifically, after the upper computer communication port is connected to an external upper computer, a communication protocol connected between them is agreed first, the protocol is composed of the following parts, and the following products are produced as shown in the following table:
(1) frame head: occupies one byte length, fixed at 0x 73;
(2) command type: occupies one byte length, 0x00 is read data, 0x01 is write data, 0x02 is device active data, 0x03 is status data;
(3) equipment number: the method occupies one byte length, the range is 1-255, the broadcast is performed when the length is 0, and all equipment can reply;
(4) command number: occupies one byte length;
(5) data length: one byte length is occupied, and the maximum data length is 128 bytes;
(6) data block: the occupied length is determined by the data length;
(7) data exclusive-or checking: occupying one byte, starting from the frame head to the end of the data block, carrying out exclusive or operation according to the byte, and finally obtaining a check code;
the specific command of the command number is shown in the following table:
the utility model discloses a power supply unit, including the main power supply of being connected with the conversion circuit board and the auxiliary power supply of being connected with a plurality of RFID products respectively, specifically, can both switch on in order to guarantee inside each part, and each other does not receive the outage influence mutually moreover, has adopted main power supply and a plurality of auxiliary power supply to constitute power supply unit and has connected the mode of circular telegram, connects the assurance that the electricity improves bigger for inside, and also makes things convenient for the later stage to the detection of each branch road circular telegram condition.
The upper computer communication interface comprises an RS232 interface and a network interface, and particularly, when the upper computer of the external equipment is connected, the upper computer of the external equipment can be in communication connection in two interfaces, so that the connection flexibility is higher, and the operation of a user is more convenient.
The communication protocol integrated in the single chip microcomputer is not limited to the communication protocol connected with the RFID product, specifically, the communication protocol integrated in the single chip microcomputer must include the communication protocols used by all connected RFID products, and is not limited to the communication protocols used by the connected RFID products at present, so that the RFID products with other communication protocols can be conveniently replaced in the later period and can be normally used.
Compared with the prior art, the invention integrates various RFID equipment communication protocols into a single chip microcomputer in a program through a single chip microcomputer, is connected with the conversion circuit board with the multiple serial ports, utilizes an upper computer communication interface to be connected with an upper computer and then communicated, and the upper computer can control various RFID equipment connected with different serial ports through a simple instruction protocol with uniform format, thereby realizing the compatible conversion of the multiple serial ports and multiple protocols RFID data.
The specific working principle is as follows: after the upper computer equipment connected with the communication interface of the upper computer sends an operation instruction, the operation instruction is transmitted to be identified by the single chip microcomputer through the RS232 interface or the network interface, the single chip microcomputer executes a corresponding communication protocol according to the identified instruction to control a corresponding RFID product, and due to the fact that multiple different communication protocols are integrated in the single chip microcomputer at the same time, the upper computer can respectively transmit operation instructions corresponding to different communication protocols, and a multi-protocol compatible and conversion mode is formed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A multi-serial port multi-protocol RFID data compatible conversion method is characterized in that: the RFID product communication system is characterized by comprising a conversion circuit board with a plurality of serial port interfaces, wherein a single chip microcomputer for controlling the serial port interfaces simultaneously is welded on the conversion circuit board, RFID products with different communication protocols are connected with the serial port interfaces on the conversion circuit board respectively, the communication protocols of the RFID products are integrated in the single chip microcomputer, and the conversion circuit board is further provided with an upper computer communication interface.
2. The multi-serial port multi-protocol RFID data compatibility conversion method according to claim 1, characterized in that: the conversion circuit board and the RFID products are electrically connected with a power supply device supplied by outside power, and the power supply device comprises a main power supply connected with the conversion circuit board and auxiliary power supplies respectively connected with the RFID products.
3. The multi-serial port multi-protocol RFID data compatibility conversion method according to claim 1, characterized in that: the upper computer communication interface comprises an RS232 interface and a network interface.
4. The multi-serial port multi-protocol RFID data compatibility conversion method according to claim 1, characterized in that: the communication protocol integrated in the single chip is not limited to the communication protocol connected with the RFID product.
5. The multi-serial port multi-protocol RFID data compatibility conversion method according to claim 1, characterized in that: the single chip microcomputer converts the internally integrated RFID product communication protocols with different formats into communication protocols with a uniform format to communicate with the upper computer.
6. The multi-serial port multi-protocol RFID data compatibility conversion method according to claim 1, characterized in that: by configuring the unified format communication protocol, a plurality of identical conversion circuit boards can be used in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213472.1A CN113886301A (en) | 2021-10-19 | 2021-10-19 | Multi-serial port multi-protocol RFID data compatible conversion method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111213472.1A CN113886301A (en) | 2021-10-19 | 2021-10-19 | Multi-serial port multi-protocol RFID data compatible conversion method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118612Y (en) * | 2007-11-23 | 2008-09-17 | 江苏斯菲尔电气有限公司 | Network communication controller with multiple uplink interface communication mode |
| CN101770561A (en) * | 2008-12-29 | 2010-07-07 | 郑州大学 | Switching method and control switching system thereof of radio frequency identification device (RFID) multi-protocol reader-writer |
| CN102486838A (en) * | 2010-12-03 | 2012-06-06 | 中国科学院沈阳自动化研究所 | Multi-criteria radio frequency identification (RFID) tag data integration and conversion method |
| CN105610876A (en) * | 2016-04-01 | 2016-05-25 | 江苏科技大学 | Industrial control type automatic network communication protocol converter and communication protocol conversion method |
| CN106294247A (en) * | 2016-10-20 | 2017-01-04 | 中山领创网络科技有限公司 | The connection system of a kind of multiple antennas rfid interrogator and many computers and method of attachment |
| CN106776410A (en) * | 2016-12-07 | 2017-05-31 | 深圳市科陆物联信息技术有限公司 | A kind of handheld terminal with serial ports |
| CN206294203U (en) * | 2016-12-01 | 2017-06-30 | 新奥科技发展有限公司 | A kind of serial ports expansion device for supporting various protocols to transmit |
| CN209516741U (en) * | 2019-03-08 | 2019-10-18 | 国充充电科技江苏股份有限公司 | A kind of light storage charging station is acquired with more electric interfaces data and fault wave recording device |
| CN210776746U (en) * | 2019-08-26 | 2020-06-16 | 兰州海红技术股份有限公司 | Intelligent network cabinet U-bit asset monitoring module |
-
2021
- 2021-10-19 CN CN202111213472.1A patent/CN113886301A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118612Y (en) * | 2007-11-23 | 2008-09-17 | 江苏斯菲尔电气有限公司 | Network communication controller with multiple uplink interface communication mode |
| CN101770561A (en) * | 2008-12-29 | 2010-07-07 | 郑州大学 | Switching method and control switching system thereof of radio frequency identification device (RFID) multi-protocol reader-writer |
| CN102486838A (en) * | 2010-12-03 | 2012-06-06 | 中国科学院沈阳自动化研究所 | Multi-criteria radio frequency identification (RFID) tag data integration and conversion method |
| CN105610876A (en) * | 2016-04-01 | 2016-05-25 | 江苏科技大学 | Industrial control type automatic network communication protocol converter and communication protocol conversion method |
| CN106294247A (en) * | 2016-10-20 | 2017-01-04 | 中山领创网络科技有限公司 | The connection system of a kind of multiple antennas rfid interrogator and many computers and method of attachment |
| CN206294203U (en) * | 2016-12-01 | 2017-06-30 | 新奥科技发展有限公司 | A kind of serial ports expansion device for supporting various protocols to transmit |
| CN106776410A (en) * | 2016-12-07 | 2017-05-31 | 深圳市科陆物联信息技术有限公司 | A kind of handheld terminal with serial ports |
| CN209516741U (en) * | 2019-03-08 | 2019-10-18 | 国充充电科技江苏股份有限公司 | A kind of light storage charging station is acquired with more electric interfaces data and fault wave recording device |
| CN210776746U (en) * | 2019-08-26 | 2020-06-16 | 兰州海红技术股份有限公司 | Intelligent network cabinet U-bit asset monitoring module |
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