CN108170615A - A kind of driving framework of the virtual instrument of signal-oriented - Google Patents
A kind of driving framework of the virtual instrument of signal-oriented Download PDFInfo
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- CN108170615A CN108170615A CN201711339526.2A CN201711339526A CN108170615A CN 108170615 A CN108170615 A CN 108170615A CN 201711339526 A CN201711339526 A CN 201711339526A CN 108170615 A CN108170615 A CN 108170615A
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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
- 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
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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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
- G06F2213/0024—Peripheral component interconnect [PCI]
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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
- G06F2213/0042—Universal serial bus [USB]
Abstract
The present invention relates to a kind of driving framework of the virtual instrument of signal-oriented, the autotest program for signal-oriented provides unified general signaling interface, using the acquisition to signal resource information, obtains signal activation bit, realizes the control to hardware instruments equipment;It includes:Sequentially connected signaling interface library, signal resource layer, signal resolution engine and input/output resource layer;An explorer is further included, is connected with each other respectively with signal resource layer, signal resolution engine;Using the signal activation bit received, the control to hardware instruments equipment is realized, preferably support signal-oriented autotest program.
Description
Technical field
The present invention relates to the technical field of measuring technique, more particularly to a kind of bogie of the virtual instrument of signal-oriented
Structure.
Background technology
With the development of Auto-Test System, the software platform for auto test of signal-oriented is increasingly becoming mainstream.
But traditional driving framework that current major instrument producer provides, such as VXI, PXI, VISA;It is actually using
In, there is the close coupling of test program and test equipment, need to carry out the replacement of instrument, after instrument is replaced, cause to test journey
The problems such as sequence fails.In existing driving framework, the test software of signal-oriented and the driving of the test equipment towards instrument
The problem of framework poor compatibility.
Existing driving framework is mainly made of input/output interface software, instrument drivers and top layer application software.
Therefore, in actual use, due to the difference of instrument hardware, need in driving framework input/output interface software,
Instrument drivers and top layer application software carry out different exploitations respectively.This results in the poor compatibility of the driving framework, effect
The low problem of rate.
Invention content
It is an object of the present invention to for solve it is existing driving framework there are it is above-mentioned the defects of, the present invention provides one kind
The driving framework of the virtual instrument of signal-oriented can provide unified general signal for the autotest program of signal-oriented and connect
Mouthful, using the acquisition to signal resource information, signal activation bit is obtained, realizes the control to hardware instruments equipment.
To achieve these goals, the present invention provides a kind of test equipments of signal-oriented to drive framework, including:According to
Signaling interface library, signal resource layer, signal resolution engine and the input/output resource layer of secondary connection;Further include a resource management
Device is connected with each other respectively with signal resource layer, signal resolution engine.Wherein,
The signaling interface library, for providing the interface of unified general signal-oriented and collecting test letter to application program
Number, the data test signal are signal resource;The signal resource includes:Signal ID, instrument resource ID, signal angle
Color, signal type, signal unit, signal dynamics attribute, signal characteristic parameter, signal attribute, signal parameter range and signal move
Make;
The signal resource layer, for distributing instrument resource according to the signal type of test signal, by the signal resource
It is divided into signal role instrument resource, signal unit instrument resource, signal type instrument resource three classes, then above-mentioned three quasi-instrument is provided
Source carries out that intersection is taken to handle, and positioning includes the instrument resource of signal type, signal role, signal unit simultaneously, as specific instrument
Device resource;
The signal resolution engine, for by signal role instrument resource, signal unit instrument resource, signal type instrument
Resource and particular instrument resource resolve to corresponding Instrumentation Motion respectively, then are tied up with the signalizing activity in above-mentioned four quasi-instruments resource
It is fixed;The signal resolution engine calls the interface of test signal, assignment test letter further according to the signal dynamics attribute of test signal
Number, realize the binding of test signal and Instrumentation Motion;
The explorer, for being managed collectively, controlling and distribute signal resource and instrument resource;In signaling interface library
In, give signal resource;
The input/output resource layer, i.e. I/O resource layers, by calling different instrument drivings or directly being deposited
Device is read and write, and performs and complete the Instrumentation Motion to different hardware equipment.
Wherein, the signal is driven to the component with standard signal interface, which calls Instrumentation Motion,
So as to reach the operation to the physical signal on corresponding instrument, specifically include:Initialize, establish, change, setting, measuring,
Switching, output and acquisition.
The explorer, for being managed collectively, controlling and distribute signal resource and instrument resource;In signaling interface library
In, give signal resource;
The input/output resource layer, i.e. I/O resource layers, by calling different instrument drivings or directly being deposited
Device is read and write, and performs and complete the Instrumentation Motion to different hardware equipment.Wherein, the instrument driving specifically includes:
VXI Plug & Plays drive, and write a Chinese character in simplified form VPP drivings, including:External interface model and internal design model.Wherein,
The external interface model defines VPP drivings and the interface of system software module;
The internal design model defines the internal structure of VPP drivings.
Virtual Instrument Software Architecture drive, and write a Chinese character in simplified form VISA drivings, using mechanism and
The mode of strategy separation realizes interface driver, and is separated with the driving of concrete type interface medium.
Wherein, the mechanism is unified interface mechanism, and for different media, that interface layer carries out is all identical behaviour
Make, it is only necessary to realize primary, unified interface layer.
The strategy is using instrument driving as strategy.
Interchangable Virtual Instruments drive, and write a Chinese character in simplified form IVI drivings, including:IVI classes drive
Device, IVI special purpose drivers, IVI engines, IVI configuration utilities, IVI configuration information files.Wherein,
The IVI quasi-drivers are the function and property set of instrument, realize and instrument is controlled;Journey is tested in application
IVI quasi-drivers are called in sequence, the IVI quasi-drivers call special purpose driver to control practical hardware instruments equipment.
The IVI engines, main completion status caching, instrument attribute tracking, IVI quasi-drivers to special purpose driver reflect
It is the key that realize IVI instrument drivers completion status caching Support Library as function.
The IVI configuration utilities create and are configured in this procedure IVI logical names, in test program, pass through
Logical name is transmitted to a quasi-driver initialization function, image will be operated to specific instrument and its instrument drivers
In.
The register read-write, the logical read-write operation directly instructed to register realize the control to Instrumentation Motion.
The register read-write specifically includes:
Module recognition unit, for the matching of identification slot number and logical address and identification instrument attribute information, for example,
The extraction of the information such as firmware version, manufacturer, the Instrument measuring precision of the instrument.
Device information acquiring unit for obtaining instrument attribute information, and fills in instrument according to above-mentioned instrument attribute information
Attribute structure.
Address space dispensing unit, for carrying out the configuration of address space to the device being configured there are address space.
According to instrument attribute structure feature, such as particular address into register, 0x000028, write-in Instrumentation Motion instructs,
1 is such as written, function is enabled for output, then comes into effect to the function of being operated before board, and instrument hardware is operated so as to reach
Purpose.
The instrument and equipment specifically includes:Peripheral Component Interconnect extended equipment,
That is device PCI, USB device, i.e. universal serial bus device, PCI Extension for Instrumentation equipment, i.e.,
PXI equipment, VME bus Extensionfor Instrumentation equipment, i.e. VXI equipment, LANExtension for
Instrumentation equipment, i.e. LXI equipment.
In the signal resource, the signal role includes:It is measured by the source signal of physical apparatus generation, by physical apparatus
Obtained measuring signal is monitored by physical apparatus with the monitoring signal of trigger event and the switching signal switched by physical apparatus.
The signal unit includes:Volt V, ampere A, hertz Hz, watt W, ohm Ohm and second S.
The signal type includes:AC signal, direct current signal, am signals, frequency modulated signal
31 major class signals of IEEE1641 prescribed by standard, and compatible other meet the expansion signals of IEEE1641 standards.
The signalizing activity includes:Initialization foundation, is changed, setting, is measured, switching, exporting and acquire
Test equipment driving framework based on a kind of above-mentioned signal-oriented, the present invention also provides a kind of surveys of signal-oriented
Test instrument drives the implementation method of framework, specifically comprises the following steps:
Step 1) collecting test signal data and the interface that unified general signal-oriented is provided to application program;The survey
Trial signal data are signal resource, including:Signal ID, instrument resource ID, signal role, signal type, signal unit, signal
Dynamic attribute, signal characteristic parameter, signal attribute, signal parameter range and signalizing activity;
The signal type distribution instrument resource for the test signal that step 2) is acquired according to step 1), is divided into letter by signal resource
Bugle color instrument resource, signal unit instrument resource, signal type instrument resource three classes, then above-mentioned three classes instrument resource is carried out
Intersection is taken to handle, positioning includes the instrument resource of signal type, signal role, signal unit as particular instrument resource simultaneously;
Step 3) is according to the signal role instrument resource, signal unit instrument resource, signal type instrument obtained in step 2)
Device resource and particular instrument resource, and above-mentioned four quasi-instruments resource is resolved into corresponding Instrumentation Motion respectively, then with above-mentioned four
Signalizing activity binding in quasi-instrument resource;
Step 4) passes through explorer, unified management, control and distribution signal role instrument resource, signal unit instrument
Resource, signal type instrument resource and particular instrument resource;
Step 5) is by input/output resource layer, for the Instrumentation Motion that step 4) obtains, by calling different instruments
Driving directly carries out register read-write, performs and complete the Instrumentation Motion to different hardware equipment.
It is as follows according to the detailed process of the signal type of test signal distribution instrument resource that step 1) acquires:
Step 11) selects instrument according to the signal role of test signal, obtains signal role instrument resource;
Step 12) selects instrument according to the signal type of test signal, obtains signal type instrument resource;
Step 13) selects instrument according to the signal unit of test signal, obtains signal unit instrument resource;
The instrument resource that step 11) to step 13) obtains is taken intersection by step 14), is obtained simultaneously including signal role instrument
Device resource, signal type instrument resource, signal unit instrument resource instrument resource as a result, and as particular instrument provide
Source.
The advantage of the invention is that:
The present invention is realized the control to hardware instruments equipment, is preferably supported using the signal activation bit received
Signal-oriented autotest program.
Description of the drawings
Fig. 1 is a kind of structure diagram of the test equipment driving framework of signal-oriented of the present invention;
Specific embodiment
Can be signal-oriented as shown in Figure 1, the present invention provides a kind of driving framework of the virtual instrument of signal-oriented
Autotest program unified general signaling interface is provided, utilize the acquisition to signal resource information, obtain signal driving letter
Breath, realizes the control to hardware instruments equipment.
A kind of test equipment the present invention provides signal-oriented drives framework,
It includes:Sequentially connected signaling interface library, signal resource layer, signal resolution engine and input/output resource layer;
An explorer is further included, is connected with each other respectively with signal resource layer, signal resolution engine.Wherein,
The signaling interface library, for providing the interface of unified general signal-oriented and collecting test letter to application program
Number, the data test signal are signal resource;The signal resource includes:Signal ID, instrument resource ID, signal angle
Color, signal type, signal unit, signal dynamics attribute, signal characteristic parameter, signal attribute, signal parameter range and signal move
Make;
The signal resource layer, for distributing instrument resource according to the signal type of test signal, by the signal resource
It is divided into signal role instrument resource, signal unit instrument resource, signal type instrument resource three classes, then above-mentioned three quasi-instrument is provided
Source carries out that intersection is taken to handle, and positioning includes the instrument resource of signal type, signal role, signal unit simultaneously, as specific instrument
Device resource;
The signal resolution engine, for by signal role instrument resource, signal unit instrument resource, signal type instrument
Resource and particular instrument resource resolve to corresponding Instrumentation Motion respectively, then are tied up with the signalizing activity in above-mentioned four quasi-instruments resource
It is fixed;The signal resolution engine calls the interface of test signal, assignment test letter further according to the signal dynamics attribute of test signal
Number, realize the binding of test signal and Instrumentation Motion;
According to the signal dynamics attribute of test signal, the interface of test signal is called, assignment test signal realizes test letter
Binding number with Instrumentation Motion.
Wherein, the signal is driven to the component with standard signal interface, which calls Instrumentation Motion,
So as to reach the operation to the physical signal on corresponding instrument, specifically include:Initialize, establish, change, setting, measuring,
Switching, output and acquisition.
The explorer, for being managed collectively, controlling and distribute signal resource and instrument resource;In signaling interface library
In, give signal resource;
The input/output resource layer, i.e. I/O resource layers, by calling different instrument drivings or directly being deposited
Device is read and write, and performs and complete the Instrumentation Motion to different hardware equipment, such as measures voltage, measures electric current.Wherein, the instrument
Driving specifically includes:
VXI Plug & Plays drive, and write a Chinese character in simplified form VPP drivings, including:External interface model and internal design model.Wherein,
The external interface model defines VPP drivings and the interface of system software module;
The internal design model defines the internal structure of VPP drivings.The function body of driver includes two-stage:
The first order is a group parts function, for the software module of controller unit specific function;The second level is one group and applies function, is used for
It identifies how to complete application oriented instrumentation using component function.
Virtual Instrument Software Architecture drive, and write a Chinese character in simplified form VISA drivings, using mechanism and
The mode of strategy separation realizes interface driver, and is separated with the driving of concrete type interface medium.
Wherein, the mechanism is unified interface mechanism, and for different media, that interface layer carries out is all identical behaviour
Make, it is only necessary to realize once, i.e. unified interface layer.For opening instrumentation, unified interface is viOpen (), specific to
Different bus interface type is realized, such as by different media operation functions:Pxi_Open (), tcpip_Open () and local_
Open()。
The strategy is using instrument driving as strategy.
Interchangable Virtual Instruments drive, and write a Chinese character in simplified form IVI drivings, including:IVI classes drive
Device, IVI special purpose drivers, IVI engines, IVI configuration utilities, IVI configuration information files.Wherein,
The IVI quasi-drivers are the function and property set of instrument, realize and instrument is controlled;Journey is tested in application
IVI quasi-drivers are called in sequence, the IVI quasi-drivers call special purpose driver to control practical hardware instruments equipment.
The IVI engines, main completion status caching, instrument attribute tracking, IVI quasi-drivers to special purpose driver reflect
It is the key that realize IVI instrument drivers completion status caching Support Library as function.
The IVI configuration utilities create and are configured in this procedure IVI logical names, in test program, pass through
Logical name is transmitted to a quasi-driver initialization function, image will be operated to specific instrument and its instrument drivers
In.
The register read-write, the logical read-write operation directly instructed to register realize the control to Instrumentation Motion.
The register read-write specifically includes:
Module recognition unit, for the matching of identification slot number and logical address and identification instrument attribute information, for example,
The extraction of the information such as firmware version, manufacturer, the Instrument measuring precision of the instrument.If module device has the function of MODID,
MODID positions so in the status register of the device must be set or reset at MODID disposed uprights position or reset.Therefore,
After drive signal line MODIDn, it is successively read the A16 address space status registers (X*16+ for the device that logical address is X
49152+4), it can be determined that the device that logical address is X is present in n slots if MODID place values are changed.
Device information acquiring unit for obtaining instrument attribute information, and fills in instrument according to above-mentioned instrument attribute information
Attribute structure.These information include:Resource name, instrument type, address space, manufacturer ID, manufacturer's name, module generation
Code, if be follower's device, if be main person's device.According to manufacturer's name and block code, corresponding module title is searched.
Type of device includes extended device, Message based Device, message -based device and memory device.For extended device, its son is read
Class register, it is known that instrument interface type, extension information, check extended device under other devices slot number.For message
Base device reads protocol register, obtains protocol information.
Address space dispensing unit, for carrying out the configuration of address space to the device being configured there are address space.
According to instrument attribute structure feature, such as particular address into register, 0x000028, write-in Instrumentation Motion instructs,
1 is such as written, function is enabled for output, then comes into effect to the function of being operated before board, and instrument hardware is operated so as to reach
Purpose.
The instrument and equipment specifically includes:Peripheral Component Interconnect extended equipment,
That is device PCI, USB device, i.e. universal serial bus device, PCI Extension for Instrumentation equipment, i.e.,
PXI equipment, VME bus Extensionfor Instrumentation equipment, i.e. VXI equipment, LANExtension for
Instrumentation equipment, i.e. LXI equipment.
In the signal resource, the signal role includes:It is measured by the source signal of physical apparatus generation, by physical apparatus
Obtained measuring signal is monitored by physical apparatus with the monitoring signal of trigger event and the switching signal switched by physical apparatus.
The signal unit includes:Volt V, ampere A, hertz Hz, watt W, ohm Ohm and second S.
The signal type includes:AC signal, direct current signal, am signals, frequency modulated signal
31 major class signals of IEEE1641 prescribed by standard, and compatible other meet the expansion signals of IEEE1641 standards.
The signalizing activity includes:Initialization foundation, is changed, setting, is measured, switching, exporting and acquire
Test equipment driving framework based on a kind of above-mentioned signal-oriented, the present invention also provides a kind of surveys of signal-oriented
Test instrument drives the implementation method of framework, specifically comprises the following steps:
Step 1) collecting test signal data and the interface that unified general signal-oriented is provided to application program;The survey
Trial signal data are signal resource, including:Signal ID, instrument resource ID, signal role, signal type, signal unit, signal
Dynamic attribute, signal characteristic parameter, signal attribute, signal parameter range and signalizing activity;
The signal type distribution instrument resource for the test signal that step 2) is acquired according to step 1), is divided into letter by signal resource
Bugle color instrument resource, signal unit instrument resource, signal type instrument resource three classes, then above-mentioned three classes instrument resource is carried out
Intersection is taken to handle, positioning includes the instrument resource of signal type, signal role, signal unit as particular instrument resource simultaneously;
Step 3) is according to the signal role instrument resource, signal unit instrument resource, signal type instrument obtained in step 2)
Device resource and particular instrument resource, and above-mentioned four quasi-instruments resource is resolved into corresponding Instrumentation Motion respectively, then with above-mentioned four
Signalizing activity binding in quasi-instrument resource;
Step 4) passes through explorer, unified management, control and distribution signal role instrument resource, signal unit instrument
Resource, signal type instrument resource and particular instrument resource;
Step 5) is by input/output resource layer, for the Instrumentation Motion that step 4) obtains, by calling different instruments
Driving directly carries out register read-write, performs and complete the Instrumentation Motion to different hardware equipment, such as measures voltage, measures
Electric current etc..
It is as follows according to the detailed process of the signal type of test signal distribution instrument resource that step 1) acquires:
Step 11) selects instrument according to the signal role of test signal, obtains signal role instrument resource;
Step 12) selects instrument according to the signal type of test signal, obtains signal type instrument resource;
Step 13) selects instrument according to the signal unit of test signal, obtains signal unit instrument resource;
The instrument resource that step 11) to step 13) obtains is taken intersection by step 14), is obtained simultaneously including signal role instrument
Device resource, signal type instrument resource, signal unit instrument resource instrument resource as a result, and as particular instrument provide
Source.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng
The present invention is described in detail according to embodiment, it will be understood by those of ordinary skill in the art that, to the technical side of the present invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Right in.
Claims (7)
1. a kind of driving framework of the virtual instrument of signal-oriented, which is characterized in that the autotest program for signal-oriented carries
For unified general signaling interface, using the acquisition to signal resource information, signal activation bit is obtained, is realized to hardware instruments
The control of equipment;It includes:Signaling interface library, signal resource layer, signal resolution engine and the input/output being linked in sequence successively
Resource layer;An explorer is further included, is connected with each other respectively with signal resource layer, signal resolution engine.
2. driving framework according to claim 1, which is characterized in that
The signaling interface library, for collecting test signal data and the interface of the unified general signal-oriented of offer, the survey
Trial signal data are signal resource;The signal resource includes:Signal ID, instrument resource ID, signal role, signal type, letter
Number unit, signal dynamics attribute, signal characteristic parameter, signal attribute, signal parameter range and signalizing activity;
For distributing instrument resource according to the signal type of test signal, the signal resource is divided into for the signal resource layer
Signal role instrument resource, signal unit instrument resource, signal type instrument resource three classes, then by above-mentioned three classes instrument resource into
Row takes intersection to handle, and positioning includes the instrument resource of signal type, signal role, signal unit simultaneously, is provided as particular instrument
Source;
The signal resolution engine, for by signal role instrument resource, signal unit instrument resource, signal type instrument resource
With particular instrument resource corresponding Instrumentation Motion is resolved to respectively, then bind with the signalizing activity in above-mentioned four quasi-instruments resource;
The signal resolution engine calls the interface of test signal further according to the signal dynamics attribute of test signal, assignment test signal,
Realize the binding of test signal and Instrumentation Motion;
The explorer, for being managed collectively, controlling and distribute signal resource and instrument resource;In signaling interface library,
Give signal resource;
The input/output resource layer, i.e. I/O resource layers, by calling different instrument drivings or directly carrying out register reading
It writes, performs and complete the Instrumentation Motion to different hardware equipment.
3. driving framework according to claim 2, which is characterized in that the signal is driven to standard signal interface
Component, which calls Instrumentation Motion, specific so as to reach the operation to the physical signal on corresponding instrument
Including:Initialization foundation, is changed, setting, is measured, switching, exporting and acquire.
4. driving framework according to claim 2, which is characterized in that the register read-write directly carries out register
The read-write operation of instruction realizes the control to Instrumentation Motion;The register read-write specifically includes:
Module recognition unit, for the matching of identification slot number and logical address and identification instrument attribute information, for example, the instrument
The extraction of the information such as firmware version, manufacturer, the Instrument measuring precision of device;
Device information acquiring unit for obtaining instrument attribute information, and fills in instrument attribute according to above-mentioned instrument attribute information
Structure;
Address space dispensing unit, for carrying out the configuration of address space to the device being configured there are address space.
5. driving framework according to claim 2, which is characterized in that in the signal resource, the signal role includes:
It is monitored by the source signal of physical apparatus generation, the measuring signal obtained by physical apparatus measurement, by physical apparatus with trigger event
Monitoring signal and by physical apparatus switch switching signal;
The signal unit includes:Volt V, ampere A, hertz Hz, watt W, ohm Ohm and second S;
The signal type includes:AC signal, direct current signal, am signals, frequency modulated signal IEEE1641 mark
31 major class signals of quasi- defined, and the compatible expansion signal for meeting IEEE1641 standards;
The signalizing activity includes:Initialization foundation, is changed, setting, is measured, switching, exporting and acquire.
6. a kind of virtual instrument driving framework method of the signal-oriented in 1-5 based on the claims, specifically includes as follows
Step:
Step 1) collecting test signal data and the interface that unified general signal-oriented is provided;The data test signal is letter
Number resource, including:Signal ID, instrument resource ID, signal role, signal type, signal unit, signal dynamics attribute, signal
Characteristic parameter, signal attribute, signal parameter range and signalizing activity;
The signal type distribution instrument resource for the test signal that step 2) is acquired according to step 1), is divided into signal angle by signal resource
Color instrument resource, signal unit instrument resource, signal type instrument resource three classes, then above-mentioned three classes instrument resource is carried out taking friendship
Collection processing, positioning include the instrument resource of signal type, signal role, signal unit as particular instrument resource simultaneously;
Step 3) is provided according to the signal role instrument resource, signal unit instrument resource, signal type instrument that are obtained in step 2)
Source and particular instrument resource, and above-mentioned four quasi-instruments resource is resolved into corresponding Instrumentation Motion respectively, then with above-mentioned four classes instrument
Signalizing activity binding in device resource;
Step 4) passes through explorer, unified management, control and distribution signal role instrument resource, signal unit instrument money
Source, signal type instrument resource and particular instrument resource;
Step 5) is by input/output resource layer, for the Instrumentation Motion that step 4) obtains, by calling different instrument drivings
Or register read-write is directly carried out, perform and complete the Instrumentation Motion to different hardware equipment.
7. according to the method described in claim 6, it is characterized in that,
The detailed process of the signal type distribution instrument resource of the test signal acquired according to step 1) includes:
Step 11) selects instrument according to the signal role of test signal, obtains signal role instrument resource;
Step 12) selects instrument according to the signal type of test signal, obtains signal type instrument resource;
Step 13) selects instrument according to the signal unit of test signal, obtains signal unit instrument resource;
The instrument resource that step 11) to step 13) obtains is taken intersection by step 14), is obtained and is provided simultaneously including signal role instrument
Source, signal type instrument resource, signal unit instrument resource instrument resource as a result, and as particular instrument resource.
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