CN105718264B - Laser head drives framework and method - Google Patents
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- CN105718264B CN105718264B CN201610038026.4A CN201610038026A CN105718264B CN 105718264 B CN105718264 B CN 105718264B CN 201610038026 A CN201610038026 A CN 201610038026A CN 105718264 B CN105718264 B CN 105718264B
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- 238000004458 analytical method Methods 0.000 claims description 6
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- 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
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Abstract
The invention discloses laser head driving framework and methods, including：Unified interface module, driven management module and drive module；The unified interface module is used to receive the order of client layer transmission and is parsed to the order, and the data after parsing are sent to driven management module；Driven management module is analyzed and is executed to the order after parsing, and calling driver module when executing order, drive module drives the action of laser head.It is realized using Windows service technologies：Windows service operation flows are loaded automatically after system boot and in running background.When laser head driving goes wrong collapse, service can restart automatically, do not interfere with and drive device.exe.
Description
Technical field
The present invention relates to system drive framework fields, and in particular to a kind of laser head driving framework and method.
Background technology
T30 collecting terminal systems are a custom-built systems based on Wince6.0.Wince systems are adopted in electric power data
Collection industry uses relatively broad.The critical elements that laser head is acquired as data have huge make in data collecting field
Dosage.
Laser head driving belongs to stream driving equipment, the frame that laser head drives in the framework and T30 of current general stream driving
In structure, Wince6.0 operating systems provide stream interface function, such as XXX_Init (), XXX_Open (), XXX_Read
(), XXX_Write (), XXX_Close () etc..This kind of driving is managed by Device Manager, it is called
ActivateDeviceEx () function drives to load stream.The parameter of ActivateDeviceEx () is corresponding in registration table
Key, for setting the attribute of load stream driving, such as Index, Order, Prefix.Flow the registration table configuration information one of driving
As be stored under [HKEY_LOCAL_MACHINE Drivers BuiltIn].After flowing drive load success, application program passes through
The equipment for calling CreateFile (), ReadFile (), WirteFile () etc. to access stream driving.Stream driving can dynamic
Management, driving debugging assistant are exactly for helping to debug this one kind driving.
It is the general solution of stream driving, lower its pros and cons of surface analysis in summary.
General stream driving disclosure satisfy that the demand of laser head data acquisition.According to laser head use experience for many years, will swash
Shaven head realize and can be had the following problems with general stream driving：
1. laser head driving collapse can cause system device.exe to collapse, many module drives of system will paralyse.
2. laser head model is numerous, there is also differences in performance and occupation mode, increase user program and write difficulty.
3. once laser head model is replaced, upper level applications need to rewrite again.
In view of the above-mentioned problems, the present invention proposes new laser head driving framework and method, and use is in T30 intelligent acquisitions
In terminal.
Invention content
To solve the shortcomings of the prior art, the invention discloses laser head driving framework and methods, and the application is to swashing
The support of shaven head uses new framework and pattern.The framework is realized not over the mode of stream driving, mainly passes through Windows
Service technology is realized.
To achieve the above object, concrete scheme of the invention is as follows：
Laser head drives framework, including：Unified interface module, driven management module and drive module；
The unified interface module is used to receive the order of client layer transmission and is parsed to the order, and will be after parsing
Data be sent to driven management module；
Driven management module is analyzed and is executed to the order after parsing, calling driver module when executing order, driving
The action of module drive laser head.
Further, the laser head drives framework applications in collecting terminal.
Further, collecting terminal is the collecting terminal based on Wince6.0 custom-built systems, is set with acquisition
It is standby, including laser head, infrared equipment, bluetooth equipment.
Laser head drives the working method of framework, includes the following steps：
Step 1：Client layer starts order to management level；
Step 2：Analysis result is simultaneously sent to driving layer by management layer analysis order；
Step 3：Driving layer executes order driving laser head and returns data into management level,
Step 4：The data that laser head returns are back to client layer by management level,
Step 5：Client layer receives laser head data.
Further, it is equipped with the only visible api layer of client layer in management level, is added under system windows directory dynamic
State library is stored with the call function for being supplied to the laser head of user in dynamic base, by loading this dynamic base, then using carrying
The laser head call function of confession realizes the operation to laser head.
Further, api layer distinguishes the model of current device by the hardware version numbers in system information, then basis
Unit type calls corresponding laser head driver, driving layer to call api layer when writing laser head driver from driving layer
The unified interface provided.
Further, the driver for including multiple laser heads in layer is driven, for adapting to different types of laser head.
Further, in dynamic base, content realizes registration clothes under the registration table by increasing and changing Wince systems
Business, services.exe processes can load dynamic base automatically according to the configuration information in registration table when Wince systems start
In depositing.
Further, multiple export functions defined in dynamic base can be called when system loads dynamic base corresponding first
Function, realize to the initialization operation of serial ports used in laser head, can be called when service is unloaded corresponding in this api layer
Function has carried out release work using function realization to laser head.
Further, the second dynamic base is added in systems, and the second dynamic base main function is to load to adjust to application program
With laser head, the second dynamic base stores multiple functions, and laser head driver operates in T30Service services, second
The handle for obtaining T30Service services in dynamic base by corresponding function is come according to the handle using corresponding function
Access the laser head driver operated in T30Service services.
Further, in the second dynamic base, driving layer programming should first call corresponding function to initialize before using laser head
Laser head, initialization laser head include the initialization of the judgement and laser head driving and serial ports link layer of laser head model.
Further, the judgement of laser head model is carried out by device hardware version number, and hardware version numbers are to write on
Set of number combination in T30 intelligent terminals, the group number combine every and represent different meanings.It goes to read equipment first to obtain
Hardware version numbers are obtained, the hardware configuration of this intelligent terminal are then analyzed according to the naming rule of hardware version numbers, wherein just having
The determination of laser head model, once it is determined that the model of laser head, in corresponding function call T30Service service with etc
The identical laser head drive code set of type drives to initialize laser head, is finally completed the initialization of laser head driving.
Further, in the second dynamic base, further include the steps that closing laser head driving, close the main of laser head function
Logic is also to go to discharge laser head resource in calling to T30Service services, without using should call closing when laser head module
Laser head function removes release laser head.
Further, in the second dynamic base, further include enabled laser head light extraction barcode scanning and return to the bar code scanned
Step, when driving layer to call corresponding function, which can go to call phase according to the laser head model judged in initialization
The laser head barcode scanning function answered.
Further, further include the steps that setting laser head configures parameter, when to the light extraction of laser head in the second dynamic base
Between, barcode scanning type, safe class controlled with corresponding parameter, driving layer configuration laser head parameter.
Beneficial effects of the present invention：
1. being detached from stream driving, realized using Windows service technologies：Windows service operation flows are in system boot
It loads automatically afterwards and in running background.When laser head driving goes wrong collapse, service can restart automatically, not interfere with driving
device.exe。
2. various types of laser head drivings are integrated in service：Common several laser head drivings have been integrated in service
In, such as pleasant virtue Ue966 and the New World Em3000.
3. intelligence calls the laser head driving of correct model：In order to distinguish the laser head of various different models, in T30 systems
In implant hardware version numbers this mechanism.This mechanism principle is the number of the writing tool by self-service research and development into T30 terminal flash
Version number is written.Judge laser head model by driving version number first when calling laser head driving, then api layer can select
The driver for calling the corresponding laser head in service is selected, it is final to realize intelligent call.
4.API layers of unified laser head function：Problem is programmed for client layer, the model that api layer shields laser head is asked
Topic, what user program was is unified laser head call function, such as ZZ_Laser_Init () function interface.With laser
The relevant challenge of head dummy number is all processed below api layer, ensure that the portability of user program.
Description of the drawings
The functional frame composition of Fig. 1 present invention；
Fig. 2 flow charts of the method for the present invention；
The program of Fig. 3 present invention realizes block diagram.
Specific implementation mode：
The present invention is described in detail below in conjunction with the accompanying drawings：
T30 full name T30 collecting terminals are a collecting terminals that center of percussion company releases.This equipment is main
It is used in power industry work.New laser head has been used to drive framework in T30 collecting terminal systems.
Intelligent terminal T30 realizes the support to various peripheral hardwares (such as camera, wifi, bluetooth etc.).Wherein to laser
The support of head uses new framework and pattern.The framework is realized not over the mode of stream driving, is mainly taken by Windows
Business technology is realized.
As shown in Fig. 2, the working method of laser head driving framework, includes the following steps：
Step 1：Client layer starts order to management level；
Step 2：Analysis result is simultaneously sent to driving layer by management layer analysis order；
Step 3：Driving layer executes order driving laser head and returns data into management level,
Step 4：The data that laser head returns are back to client layer by management level,
Step 5：Client layer receives laser head data.
Windows services are to operate in from the background the service routine at not interface, the method for building up of Wince6.0 service routines
Dynamic base dll file mainly is write according to rule, the laser head driving of T30 intelligent terminals is just programmed in T30Service.dll
In dynamic base, then by increase and change Wince systems registration table HKEY_LOCAL_MACHINE Services
Content realizes registration service under Service.Services.exe processes can be according in registration table when Wince systems start in this way
Configuration information is loaded automatically in T30Service.dll dynamic bases to memory.Here it is the realizations of T30Service background services.
T30Service.dll defines altogether following export function：
ZZS_Init()
ZZS_Deinit()
ZZS_Open()
ZZS_Close()
ZZS_Read()
ZZS_Write()
ZZS_IOControl()
It is exactly derived interface function in T30Service.dll with superior function.As system loads T30Service.dll
ZZS_Init () can be called first, we have done the initialization operation to serial ports used in laser head in this API, go bail in this way
Can at the first time laser head be opened after system starts by having demonstrate,proved.In contrast ZZS_Deinit can be called when service is unloaded
() has carried out release work in this function pair laser head.Thus laser head driving is perfectly combined in self-defined service
In T30Serivice life cycles, laser head driving operation ensure that in memory.And service processes are once collapsed and will be weighed
It is new to start, do not interfere with the use of laser head and other modules.
Laser head can be driven and be operated in service by the above, in order to further facilitate the calling of laser head driving, I
Be added to T30ServiceApiDll.dll dynamic bases in systems.This dynamic main function is to load to call to application program
Laser head is derived many functions in T30SeriviceApiDll.dll, wherein the use about laser head has following letter
Number：
ZZ_Laser_Init()
ZZ_Laser_Read()
ZZ_Laser_Write()
ZZ_Laser_DeInit()
As shown in Figure 1, laser head driving operates in T30Service services, lead in T30ServiceApiDll.dll
CreateFile () is crossed to obtain the handle ghLaserHandle of T30Service services.There are ghLaserHandle services
Handle, so that it may with using DeviceIoControl () come access operate in T30Service service in laser head drive journey
Sequence.ZZS_IOControl () interface in T30Service will be called to service when calling DeviceIoControl ().
It is exactly to be called to service ZZS_IOControl by a large amount of DeviceIoControl () in T30ServiceApiDll.dll
Laser head driving is operated in (), is realized opening, barcode scanning, is returned to the functions such as bar code.
ZZ_Laser_Init () major function is initialization laser head module, and application layer programming is answered first using before laser head
This function is called to initialize laser head.Initialization laser head includes the judgement of laser head model and laser head drives and serial ports link
The initialization of layer.The judgement of laser head model is carried out by device hardware version number, and hardware version numbers are to write on T30 intelligence
Set of number combination in terminal n andflash.The group number combines every and represents different meanings.ZZ_Laser_Init()
In go to read equipment nandfalsh first and obtain hardware version numbers, then this is analyzed according to the naming rule of hardware version numbers
The hardware configuration of platform intelligent terminal, wherein just there is the determination of laser head model.Once it is determined that the model of laser head, the function is just
Can by DeviceIoControl () call T30Service service in therewith the identical laser head drive code set of type come at the beginning of
Beginningization laser head drives, and is finally completed the initialization of laser head driving.
The function of the ZZ_Laser_DeInit () function is to close laser head driving.The main of laser head function is closed to patrol
It is also to go to discharge laser head resource in calling to T30Service services by DeviceIoControl () to collect, and does not use laser
The function should be called to remove release laser head when head module.
The function of the ZZ_Laser_Read () function is enabled laser head light extraction barcode scanning and returns to the bar code scanned.
When application layer calls the function, the laser head model that the meeting of the function has judged according to ZZ_Laser_Init () goes to call phase
The laser head barcode scanning function answered.Because the laser head of different model has differences on scan performance and occupation mode, then exists
Seem extremely important comprising the driving of different laser heads in T30Service services, this makes each type of laser head can be in height
It works under performance state.
ZZ_Laser_Write () function is to configure parameter for laser head is arranged, and to light extraction time of laser head, is swept
Code type, safe class etc. are all controlled with corresponding parameter, and application layer can call this function to remove configuration laser head
Parameter.This function can selectively call corresponding laser head parameter configuration code to complete laser head according to laser head type
Configuration.
As shown in Figure 1,3, the structure of the system is explained in detail below.Laser head drives the operation principle of framework：Wherein data by
Upper layer is introduced to lower layer, and wherein unified interface resume module is order that client layer is sent, which is parsed into user command
The order that next layer of driven management module can identify, then driven management module can analyze and execute these order datas, hold
Line command finally returns to the implementing result data that laser head returns by the laser head drive code set of calling lowermost layer
Layer, is returning to client layer by upper layer, is being finally completed work.
The bottom is service layer, and service layer is managed collectively different laser head drivings by the same interface is shared
And ensure that various laser head drivings can mutually switch.Although T30 in this way can only install a laser head but may be implemented pair
The support of a variety of laser heads now contains the driving of following several laser heads in T30 underlying services：
The UE966 of 1.MINDEO companies
2. New World Em3000 two-dimensional laser heads
3.HoneyWell laser heads
4.CCD series laser heads
The model of certain T30 service layers laser head driving allows the demand according to client to laser head come custom-modification, and
And it can realize replacing for new model laser head by safeguarding the information of T30Service services and modification system hardware version number
It changes.
Followed by api layer, api layer design on service layer, for unified interface, and api layer is believed by system
Hardware version numbers in breath distinguish the model (hardware version numbers mechanism is hereinbefore discussed in detail) of current device, then root
According to unit type corresponding laser head drive code set is called from the bottom.Api layer is called to carry when application layer writes laser head program
For good unified interface, this makes application layer departing from complicated laser head model problem.
The realization of api layer is realized by adding T30ServiceAPI.dll dynamic bases under system windows directory
, it is provided in this dynamic base to the call function such as ZZ_Laser_Init () etc. of the laser head of user.User passes through load
Then this dynamic base realizes the operation to laser head using the laser head call function provided.
T30 laser heads driving framework be used in T30 collecting terminals and the T50 collecting terminals of center of percussion company with
And the models collecting terminal such as X1-G.The intelligent acquisition that the above collecting terminal is all based on Wince6.0 custom-built systems is whole
End, with information collections peripheral hardwares such as laser head, infrared, bluetooths.T30 laser heads driving framework is brought surely to these intelligent terminals
Fixed, efficient laser head performance, produces a desired effect in data collection task.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (9)
1. laser head drives the working method of framework, characterized in that include the following steps：
Step 1：Client layer starts order to management level；
Step 2：Analysis result is simultaneously sent to driving layer by management layer analysis order；
Step 3：Driving layer executes order driving laser head and returns data into management level,
Step 4：The data that laser head returns are back to client layer by management level,
Step 5：Client layer receives laser head data；
It is equipped with the only visible api layer of client layer in management level, dynamic base is added under system windows directory, in dynamic base
In be stored with the call function for being supplied to the laser head of user, by loading this dynamic base, then using provide laser head tune
The operation to laser head is realized with function；
In dynamic base, content realizes that registration service, Wince systems are opened under the registration table by increasing and changing Wince systems
Services.exe processes can load in dynamic base to memory automatically according to the configuration information in registration table when dynamic.
2. the working method of laser head driving framework as described in claim 1, characterized in that api layer passes through in system information
Hardware version numbers distinguish the model of current device, then call corresponding laser head to drive from driving layer according to unit type
Program, driving layer call the unified interface that api layer provides when writing laser head driver.
3. the working method of laser head driving framework as described in claim 1, characterized in that include multiple laser in driving layer
The driver of head, for adapting to different types of laser head.
4. the working method of laser head as described in claim 1 driving framework, characterized in that multiple defined in dynamic base to lead
Go out function, corresponding function can be called first when system loads dynamic base, is realized to serial ports used in laser head in this api layer
Initialization operation, corresponding function can be called when service is unloaded, using the function realization laser head is discharged
Work.
5. the working method of laser head driving framework as claimed in claim 4, characterized in that add the second dynamic in systems
Library, the second dynamic base main function are to load that laser head, the second dynamic base is called to store multiple functions, laser to application program
Head driver operates in T30Service services, and T30Service is obtained by corresponding function in the second dynamic base
The handle of service is driven using corresponding function to access the laser head operated in T30Service services according to the handle
Program；
In second dynamic base, the programming of driving layer is initialized using should first call corresponding function initialization laser head before laser head
Laser head includes the initialization of the judgement and laser head driving and serial ports link layer of laser head model；
The judgement of laser head model is carried out by device hardware version number, and hardware version numbers are write in T30 intelligent terminals
Set of number combination, which combines every and represents different meanings；It goes to read equipment first to obtain hardware version
Number, the hardware configuration of this intelligent terminal is then analyzed according to the naming rule of hardware version numbers, wherein just there is laser head model
Determination, once it is determined that the model of laser head, type is identical therewith in corresponding function call T30Service service swashs
Bare headed drive code set drives to initialize laser head, is finally completed the initialization of laser head driving.
6. the working method of laser head driving framework as claimed in claim 5, characterized in that in the second dynamic base, further include
The step of closing laser head driving, the main logic for closing laser head function are also to go to discharge in calling to T30Service services
Laser head resource removes release laser head without using that should call closing laser head function when laser head module；
In second dynamic base, further includes the steps that enabled laser head light extraction barcode scanning and return to the bar code scanned, when driving layer
When calling corresponding function, which can go to call corresponding laser head barcode scanning according to the laser head model judged in initialization
Function；
In second dynamic base, further include the steps that setting laser head configure parameter, to the light extraction time of laser head, barcode scanning type,
Safe class is controlled with corresponding parameter, the parameter of driving layer configuration laser head.
7. the working method of laser head driving framework as described in claim 1, characterized in that the laser head drives framework,
Including：Unified interface module, driven management module and drive module；
The unified interface module is used to receive the order of client layer transmission and is parsed to the order, and by the number after parsing
According to being sent to driven management module；
Driven management module is analyzed and is executed to the order after parsing, calling driver module when executing order, drive module
Drive the action of laser head.
8. the working method of laser head driving framework as claimed in claim 7, characterized in that the laser head driving framework is answered
In collecting terminal.
9. the working method of laser head as claimed in claim 7 driving framework, characterized in that collecting terminal be based on
The collecting terminal of Wince6.0 custom-built systems carries collecting device, including laser head, infrared equipment, bluetooth equipment.
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| CN109388768A (en) * | 2018-08-31 | 2019-02-26 | 中国科学院计算技术研究所 | A kind of acquisition method and system based on added branch processing service |
| CN110851140B (en) * | 2019-11-11 | 2023-04-07 | 艾体威尔电子技术(北京)有限公司 | System and method for realizing dynamic library of single chip microcomputer |
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