CN108376122A - A kind of network expansion method and self-aided terminal for serial equipment application software - Google Patents
A kind of network expansion method and self-aided terminal for serial equipment application software Download PDFInfo
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- CN108376122A CN108376122A CN201711271677.9A CN201711271677A CN108376122A CN 108376122 A CN108376122 A CN 108376122A CN 201711271677 A CN201711271677 A CN 201711271677A CN 108376122 A CN108376122 A CN 108376122A
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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
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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Abstract
The present invention relates to computer communication fields and applicating software programming development field, the network expansion more particularly to the computer application software based on serial equipment and universal self-help terminal equipment.The general self-help terminal equipment for disclosing a kind of general network expansion method suitable for the application software based on serial equipment and being built based on this method.Solves the predicament that current numerous medium and small management unit's serial ports application software are expanded and upgraded.The core concept of this method is that the transmitting-receiving and transfer of serial port communication data between application software and serial equipment are carried out using virtual serial port programming technique, the previous traditional utility strategies for being confined to hardware and database platform are broken, there is good feasibility, versatility and compatibility.The service upgrade of third-party platform is expanded and integrated to the timesharing multi-terminal network that the serial ports application software of numerous existing standalone versions of medium and small management unit can be fast implemented with cheap cost on the basis of making full use of existing software and hardware.
Description
Technical field
The present invention relates to computer communication fields and applicating software programming development field, more particularly to based on serial equipment
Computer application software network expansion and universal self-help terminal equipment.
Background technology
Serial equipment refers to passing through serial line interface（English serial port are also referred to as serial communication interface or com interface,
Common appearance is that 9 needles are trapezoidal）It connects computer and uses serial communication protocol（There are commonly RS232, RS422, RS485 etc.）With
External electronic device of the computer into row data communication.
Progress recently as technology has derived and passes through USB again（Universal serial bus）Interface is using PL2303 etc.
The new USB that serial data and USB port data are mutually converted composition by reason chip turns serial equipment connection mode.This pattern
Although hardware interface face shaping is communicated still by the trapezoidal rectangle for becoming USB interface of conventional serial interface, bottom data
Serial communication protocol is followed, is equal to true physical serial interface in programming development and software work level, strictly or is belonged to
In serial communication.And the application software that equipment is connected using conventional serial interface is used instead USB and turns serial ports connection equipment, application software sheet
Body need not do any change（The data conversion process of both of which is entirely to be completed in hardware chip）, therefore use
USB turns serial ports connection computer and also belongs to serial equipment into the external electronic device of row data communication using serial communication protocol.
A small number of more high-end USB interface devices have individually write the device drives for supporting usb protocol, thoroughly departing from biography
System serial communication protocol pattern, is not belonging to serial equipment as referred to herein.
Since serial equipment has, technology maturation, the operation is stable, simplicity is flexible, hardware cost is low, programming is simple, compatibility
The advantages that good, be always the infrastructure device often selected in development of applied computer software, and one of the most common is magnetic card, IC
The read-write implement of card, radio-frequency card etc..
Application management software based on the exploitation of these serial equipments（It is referred to as serial ports application software herein）In decades by
Many fields of national product and life are most widely used to, as residential property measures electricity consumption, clearing electricity charge use to resident
IC card ammeter purchase electric management system, the gas filling card system of sinopec gas station, the medical card system of hospital, for medical treatment reimbursement
Medical insurance card system etc., greatly improve the working efficiency of management unit, facilitate the lives of the people.
The composition of serial ports application software is usually to be made of database and hardware driving and man-machine interface, since it is desired that place
Reason, storage a large number of users information and transaction data, serial ports application software are typically based on computer database system exploitation, initially
Serial ports application software（Fig. 1）Generally use desktop type relational database（Foxbase, dBASE etc.）To develop.This serial ports is answered
It is that database itself does not support network share with the shortcomings that software, can only works under exclusive occupying mode, and serial equipment sheet
The communications distance of body can only be between several meters to hundreds of meters, and which define it to be transported on single computer equipment
Row, and a service window i.e. site can only be opened up nearby with uniqueness.This just brings many inconvenience to user,
For example within a specified time recharging and paying must be gone to unique appointed place.
How to solve the problems, such as that the covering of long-range multiple terminals is realized in the expansion of serial ports application software, is always current serial ports using soft
The research emphasis in part field.Now traditional solution for generally using be exploitation based on SQLserver, Oracle,
The network edition serial ports application software of the C/S structures of the network data bases such as Sybase.
The advantages of network edition serial ports application software, is that database supports network share, can be in multiple stage computers equipment
（Terminal）Upper connection serial equipment opens up multiple service windows and establishes multiple sites（Fig. 2）, this just solves standalone version string substantially
Problem is uniquely expanded in site existing for mouth application software, and convenient service is brought to user.Such as the middle stone in our hands
Changing gas filling card can supplement with money and refuel in any one sinopec gas station of nationwide, go to and which where is used very
It is convenient.
This traditional network edition generally used at present expands pattern itself there are two apparent disadvantage, and first, safety
Property is poor, and the data of network edition serial ports application software are stored in the shared data bank on network server, easily by hacker
Network attack causes to divulge a secret and paralyse.The second, of high cost, the terminal of network edition serial ports application software removes database part remainder
Software and hardware be fully equivalent to the standalone version serial ports application software of complete set（Fig. 2 compares figures 1）, often increase a terminal
Site will increase corresponding office space and operating personnel to increase a large amount of additional spendings.
In addition from the point of view of the technical standpoint of programming development, although network edition serial ports application software have in performance it is prodigious
It breaks through, but to realize that the scaling difficulty from standalone version to the network edition is heavy.It is risen first if developed on the basis of original software and hardware
Grade application software develops the application software based on hardware device, it is necessary to have hardware interface according to existing traditional mode（Driving）
And software interface（Realize data conversion）And necessary technical support.It is quite mature and stable as the installation and operation several years
A serial ports application software, since time span is big and other various odjective causes are difficult often to get relevant interface and technology
It supports, the perfect and upgrading that corresponding interface data is also also contemplated that software and hardware can be just found at last, so many times going here and there
The developer of mouthful application software can only select in addition to do one and be cased with certain similar essence already completely new serial ports application software,
And it cannot achieve the integration of different manufacturers serial ports application software（There is such situations in reality：Many management units by
In historical reasons, it is mounted with that the same class serial ports application software of different manufacturers, each independent operating cause by stages and in groups
Many managerial troubles）.
This network edition upgrading increases a large amount of costs besides, for example must replace many no longer compatible hardware, house
Pervious historical data is abandoned, this is enough to allow numerous medium and small management units to this traditional network edition string based on network data base
The network expansion of mouth application software pattern is hung back.
It is to be noted that being number of users one there are the object overwhelming majority of serial ports application software network expansion demand
Within ten thousand or even hundreds of thousands of medium and small management units.Only a few has the industry rich and influential family of huge user group（Such as medical insurance do, in
Petrochemical industry）, there is considerable strength and enough conditions to do any necessary technological transformation in the shortest time.And it is large number of in
Small management unit is limited by self-condition or need not be also impossible to input hundreds of thousands moneys up to a million from practical standpoint
Gold carries out this networking upgrading for rebuilding property.It is singly increased site operation cost even if not considering improvement expenses
Be exactly a no small spending, due to the fact that many serial ports application software are accomplished that collection charges function, such as withhold water rate,
Pay on behalf the electricity charge.Fee charged is inherently without profit for the small management unit of centering, so often increasing an additional spending
Medium and small management unit is bound to cause more to lose.And standalone version serial ports application software still has peace relative to the network edition
Entirely, stable, the easy to operate, advantages such as hardware requirement is low, so standalone version and network edition unit/terminal（Fig. 2 many producers now
Network edition system is used as standalone version to medium and small user installation, to reduce the cost developed and safeguarded）Pattern is still mesh
The mainstream of preceding numerous medium and small management unit's serial ports application software.
For over ten years with the continuous development of science and technology with the gradual perfection of infrastructure, people experienced from 56K telephone wires
It dials up on the telephone the leap in broadbands fiber entering household 10M by now, internet hardware and related software technology are quite flourishing and general
And.Broadband of being in gos out and has 4G, and people also gradually adapt to and get used to the Internet Engineering Task and life mould of normalization
Formula.
With the rise of third party's network payment platform, the cashless payments means such as network payment it is increasingly ripe and general
And stay indoors and can handle the relevant business of many Working Lifes from network, let user experiencing science and technology bring it is more
It is convenient, equally also increase more expectations.Equally when could with the closely related serial ports application software of people's Working Life
It complies with era development and provides the focus that more convenient service has been increasingly becoming user's concern and demand, Zhong Duozhong for people
Therefore small management unit is also faced with the pressure of increasing network expansion and function upgrading.
Invention content
The network edition upgrading scheme of C/S framework of the existing serial ports application software based on network data base, because realizing hardly possible
It is low without being used by numerous medium and small management units to spend big, of high cost, poor compatibility, cost performance.The method that I invents is broken the normal procedure
Look for another way using new program thread provide it is a kind of being easier realization, good compatibility, low-cost general serial ports are answered
The approach upgraded with the network expansion of software, overcome existing network version upgrading scheme it is of high cost, safety is poor the defects of.
The core concept of my invention is exactly to be substituted using virtual serial port in original serial ports application system host computer
Serial ports application software corresponding physical serial interface originally, serial communication and network interaction software are write using virtual serial port technology（By
Master and slave two parts composition has routing function）By various, flexible, wide coverage computer network（It is wireless network, wired
Net, LAN, broadband, mobile Internet etc.）The serial port communication data transmitted originally by serial port data line merely, pass through meter
Calculation machine network transfer is transmitted at a distance, is realized from serial ports application software to serial port communication data multiple self-aided terminals
Orient alternating transmission.Remote control serial equipment is become like local manipulation by the distance for shortening space-time by the bridge of network
It is equally simple.To realize standalone version（Or unit/terminal）The expansion and upgrading of the networking multiple terminals of serial ports application software（Fig. 3,
4）.
The method specific implementation for the realization serial ports application software network expansion that I invents is made of following steps：First
Step, by host and terminal connected network（Preferably select broadband internet at a distance）, ensure to access with network each other（It can
Ping is logical）.Second step downloads installation virtual serial communication device and substitutes serial ports application software corresponding physics originally with virtual serial port
Serial ports.Third walks, and self-editing serial communication program and self-editing network interaction program are installed on host（Main side）.4th step, certainly
It helps on terminal or far-end computer and self-editing man-machine interface program, self-editing serial communication program and self-editing network interaction program is installed（From
End）And connect serial equipment.（It is also required to equally be arranged if any multiple terminals）5th step, in the self-editing network interaction journey of terminal operating
Sequence connects host and starts self-editing man-machine interface program.6th step is handed in host-initiated serial ports application software by self-editing network
Mutual program completes docking with self-editing man-machine interface program in terminal.Work is entirely expanded at this time to be just completed, it can be on terminating machine
Realize that the institute of serial ports application software is functional.
The workflow of kernel program is divided into the following steps in the method that I invents（Each section connects and data communication process
Signal such as Fig. 5）：The first step, Serial Port Communication Software receive the serial port communication data that serial ports application software is sent out by virtual serial port.
Serial communication data are transferred to network interaction program to be transferred to self-service end by computer network by second step, Serial Port Communication Software
End.Third walks, and serial port communication data is sent to the serial ports connected on self-aided terminal and set by the serial communication program on self-aided terminal
It is standby.4th step, the serial communication program on self-aided terminal receive the returned data that serial equipment is beamed back.5th step, self-aided terminal
On serial communication program by the returned data received transfer to network interaction program pass through transmission of network return serial ports application software
The host at place.6th step, the data transfer that the network interaction program on host passes network back is to Serial Port Communication Software.7th
Step, Serial Port Communication Software pass returned data back serial ports application software, complete entire data transmit-receive cycle.If realized mostly eventually
End then has to increase routing function in network interaction program, and a point being simple and efficient can be realized by simply programming
When processing system.
The advantages of my invention thought is with hardware independence and software independence, unlike conventional serial interface application software is opened
Hair programming needs to call hardware driving and software database, provides any programming development without software vendor and hardware vendor and connects
Mouth and technical support, therefore most existing serial ports application software can be compatible with, there is extraordinary versatility.
The Inspiration Sources of this part invention are in the Chinese chess story played chess simultaneously with two master-hands.One will not play chess in story
People play chess respectively with two master-hands in two rooms, he referring initially to a master-hand cover a step then to another room as former state
Play this step chess, finish watching another master-hand cover corresponding step chess crown return beginning room as former state walk this step chess.
It passes in and out two rooms back and forth like this and has smoothly completed match by indiscriminately imitating the way to get there of two master-hands.If we are from data
Just it is seen that this two matches are virtually completely the bouts between two master-hands, the tricks of the trade of story are exactly level analysis
Simple two words -- it indiscriminately imitates.
This story has given me to inspire well, and so that me is breached will realize that networking multiple terminals must be put into the past
Substantial contribution carries out traditional directed thinking of software and hardware upgrading, it is proposed that solves vast medium and small management unit's serial ports using soft
Simpler, cheap, the effective new method of part network expansion problem is expected to thoroughly break current numerous medium and small management unit's serial ports
Application software expands the predicament of upgrading.
The network expansion method invented using me can make different industries, distinct device, various functions standalone version face
The serial ports application software in face, it is only necessary to which installation is corresponding to expand software and connect network, it will be able to easy, quick, lossless upgrade
At network-based high security, multiple terminals, far and near journey, the serial equipment application management system of high performance-price ratio（Fig. 3, Fig. 4）.
Although the expanding method that I invents is also required to through network transmission, but with network edition serial ports in conventional method using soft
Part is essentially different by the content of network transmission, and the only minimal amount using the method that I invents by network transmission is simultaneously
And pass through software and equipment double-encryption（Software has the data format of oneself, hardware to have different instruction codes）Hardware communications
Data, and serial ports application software host need not open the extra network port, have to hacker and network attack stronger
Resistance, so having surmounted the network edition close to standalone version in secure context.
Although the multiple terminals realized using the method that I invents substantially is to share same set of application software and database
Time-division processing system, but because the number of users of medium and small management unit to lack average daily portfolio few, therefore can still carry on as usual
Meet user demand.In fact, only realizing site and functions expanding using this method, make service more convenient, it is right
The working efficiency of operator not adversely affects.
There is no limit theoretically may be implemented unlimited multiple terminals to the time sharing terminal quantity expanded using the method that I invents
It plugs into when long-time or on demand.Terminal coverage area is also very flexible simultaneously, closely can far arrive network data energy timeliness very close
（Serial ports application software generally has the time restriction for not surpassing 2 seconds with the data interaction between serial equipment, is not completed beyond the time limit
Data communication cycles then think that equipment connection disconnects）From anywhere in sensible.Pass through a large amount of simulation tests of test program channel syndrome
As long as bright network packet one way transmission time is in 200ms（If not considering to increase the increments such as routing in network interaction software
This index of function can also at least be loosened to 500ms）Within, it will be able to complete serial data success transfer.By to target
Area, which sends analogue data packet, to be taken a sample test confirms completely, relies solely on existing civilian fiber broadband network at this stage and is just enough to cover
The area of internet has been opened in the whole country.In test the farthest transmission from Jinan to Lhasa one way also only used less than
90ms, it is seen that the present invention has been provided with the expansion potentiality that inter-trade trans-regional multisystem is integrated, and there is sizable marketing to answer
Use foreground.
Using the network expansion method that I invents, in network interaction program and man-machine interface program just by simple programming
It may be implemented to merge various third-party platforms and service, and be not necessarily to inject capital into and provide application of software data interface pair at all
Original serial ports application software carries out secondary development, can perfectly realize the internet of original serial ports application software management system+
Upgrading, the prospect of the application for upgrading field in entire sector application are also considerable.
Description of the drawings
Fig. 1 is the connection diagram of existing standalone version serial ports application software.
Fig. 2 is the connection diagram of existing network version serial ports application software.
Fig. 3 is the connection diagram with the standalone version serial ports application software after the method for the present invention network expansion.
Fig. 4 is the connection diagram with the network edition unit/terminal serial ports application software after the method for the present invention network expansion.
Fig. 5 is the flow diagram of the method for the present invention realization principle.
Specific implementation mode
Virtual serial port is the software serial ports fabricated in operating system level using the virtual drive technology of operating system
（Com port）, the hardware physical serial interface relative to computer itself（COM1 etc.）For virtual serial port be not necessary being, but
Be from the managing hardware device device of operating system it will also be seen that, setting and use.All computer application softwares are all
It can be as using hardware serial ports equally to use virtual serial port, virtual serial port and hardware serial ports do not have for serial ports application software
There is any difference.
It is to change serial ports using the purpose and meaning of virtual serial port alternate physical serial ports（Com port）Software itself is to firmly
Traditional natural mode of the data transfer of part makes transmission of the actual software to software, can be to have ready conditions
The communication data that serial ports application software issues hardware is acquired and transfer by software.This key link is previous traditional
Can only be to be realized by the secondary development to original serial ports application software in programming development pattern thinking.
Virtual serial port technology was chiefly used in industrial control field and microcomputer development field in the past, had there is the of several maturations now
Software of the third party can use, and not need independent programming development.Virtual serial port use is quite easy, it is only necessary to download installation from the Internet
Third party's virtual serial port program can generate the virtual serial port of needs by simply setting in an operating system.Next it presses
Exploitation is programmed to virtual serial port according to the function module described in my invention, realizes process also very simple, common programmer
It can be easy to grasp.
Based on I invention thought and principle by touch screen, Android system platform host or windows system platforms
The hardware devices such as host and related Serial Port Communication Software（Transmitting and Receiving End）, network interaction program（Master and slave end）, man-machine interface program
The client of serial ports application software need not be developed and be installed to the universal self-aided terminal constituted, and a tractor serves several purposes can low cost
Realize the multifunctional remote self-help operation of common serial ports application software.
Universal self-aided terminal hardware is mainly by large screen display（Touch screen）, Android host or windows platform
PC hosts, serial equipment（Must be serial ports application software first wife with money or using same hardware instruction alternative model）、
The metal cabinet of variously-shaped style and color is constituted.
The software of universal self-aided terminal includes operating system, man-machine interface program, network interaction program and serial communication
Program.Wherein man-machine interface program is that the function of terminal is shown by succinct, clear, beautiful hint image and screen key
Network interaction program is submitted to user, and the touch of user selection.Network interaction program is mainly accomplished that network dialogue
And data-transformation facility, on the one hand to complete hardware communications data will make in the alternating transmission of host and terminal room, on the other hand
The operator and user that can not directly exchange face-to-face can carry out basic communication.Serial communication program is equivalent to original serial ports
The hardware of application software reads and writes part, and major function is the manipulation completed to serial equipment.
It can also be in the universal of single universal self-aided terminal by simply programming extension according to the method that I invents
The serial ports application software covered are integrated on hardware platform more, these serial ports application software being integrated both may be the same or different, when
Right corresponding serial equipment hardware class cannot lack, but each only needs one, saves very much cost.Because in the method that I invents
All function modules can be provided to that more set serial ports application software are shared, and serial equipment hardware is same by simply programming
It is shared that realization can also be programmed, accomplish a tractor serves several purposes, more economical, easily services selection, saving can be provided for management unit
More costs, the benefit for creating bigger.
Universal self-aided terminal can also integrate advertisement and informing function, make full use of the Multimedia of hardware platform,
Management unit's overall image is promoted, is preferably user service, realizes the social value of bigger.
My invention is existed to original serial ports application software on the basis of making full use of the condition and technology of existing maturation
Network expansion and function are integrated the innovation in upgrading and are broken through.It need not change on the basis of the software and hardware of original serial ports application software
It is dynamic, it, can be easily real by installing corresponding program and connecting the network expansion that common serial ports application software can be realized in network
Existing multiple terminals self-service dealing, fully meets demand of the user to convenient and efficient service, has social value well and market
Foreground.
The present invention provides a kind of thinking and method of the network expansion suitable for the application software based on serial ports, Yi Ji
The universal self-help terminal equipment built on the basis of the invention thinking and method.The technology of use is substantially existing maturation
Technology is very easy to realize and promote.The present invention creatively combines these Integration ofTechnologies, in the base digested
It is subject to fully dexterously to utilize on plinth, has embodied the originality different from existing scheme.The spirit and principles in the present invention it
It is interior, to any modification, equivalent replacement and improvement etc. that local functions of modules is made, it should be included in protection scope of the present invention
Within.
Claims (3)
1. a kind of being suitable for the application management software based on serial equipment（Hereinafter referred to as serial ports application software）Network expansion side
Method, it is characterised in that the network expansion of hardware device is realized using virtual serial port technology, and similar exploitation different from the past needs
Hardware driving and data-interface are wanted, is divided into following steps by the principle of realization：
Step 1, Serial Port Communication Software receive the serial port communication data that serial ports application software is sent out by virtual serial port；
Step 2, it is self-service that serial communication data are transferred to network interaction program to be transferred to by computer network by Serial Port Communication Software
The terminal devices such as terminal；
Step 3, the serial communication program on the terminal devices such as self-aided terminal sends serial port communication data to be connected on self-aided terminal
The serial equipment connect；
Step 4, the serial communication program on the terminal devices such as self-aided terminal receive the returned data that serial equipment is beamed back；
The returned data received is transferred to network interaction journey by step 5, the serial communication program on the terminal devices such as self-aided terminal
Sequence returns the host where serial ports application software by transmission of network；
Step 6, the data transfer that the network interaction program on host passes network back is to Serial Port Communication Software；
Step 7, Serial Port Communication Software pass returned data back serial ports application software, complete entire data transmit-receive cycle.
2. the serial communication program expanded for serial ports application software involved in the present invention as described in claim 1 and network
Interactive program, it is characterised in that the transmitting-receiving of communication data between serial ports application software and serial equipment is realized by virtual serial port technology
With network transfer, and can have routing function, support host with the data interaction of multiple terminal devices.
3. based on the universal self-help terminal equipment that method of claim 1 is built, including serial communication program, network interaction journey
Sequence, man-machine interface program and multimedia hardware platform and corresponding serial equipment, it is characterized in that having such as claim 2 institute
The serial communication program and network interaction program stated, and be not required to install in terminal the serial ports application software module expanded and
Data or database interface etc. by the network call application software have compatibility and versatility well, support one
Terminal integrates multiple serial ports application software.
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| CN206021259U (en) * | 2016-08-04 | 2017-03-15 | 研华科技(中国)有限公司 | The fixable USB UART hubs of virtual serial port serial number |
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Application publication date: 20180807 |