CN109218081A - Data transmission method and data transmission device after a kind of system dormancy awakening - Google Patents

Data transmission method and data transmission device after a kind of system dormancy awakening Download PDF

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Publication number
CN109218081A
CN109218081A CN201810971179.3A CN201810971179A CN109218081A CN 109218081 A CN109218081 A CN 109218081A CN 201810971179 A CN201810971179 A CN 201810971179A CN 109218081 A CN109218081 A CN 109218081A
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China
Prior art keywords
state
conversion instruction
data transmission
external equipment
state conversion
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CN201810971179.3A
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Chinese (zh)
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CN109218081B (en
Inventor
刘敏
宋伟铭
周中亚
李润锋
于军亮
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BEIJING IMAGE VISION TECHNOLOGY BRANCH CHINA DAHENG (GROUP) Co Ltd
BEIJING DAHENG IMAGE VISION Co Ltd
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BEIJING IMAGE VISION TECHNOLOGY BRANCH CHINA DAHENG (GROUP) Co Ltd
BEIJING DAHENG IMAGE VISION Co Ltd
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Application filed by BEIJING IMAGE VISION TECHNOLOGY BRANCH CHINA DAHENG (GROUP) Co Ltd, BEIJING DAHENG IMAGE VISION Co Ltd filed Critical BEIJING IMAGE VISION TECHNOLOGY BRANCH CHINA DAHENG (GROUP) Co Ltd
Priority to CN201810971179.3A priority Critical patent/CN109218081B/en
Publication of CN109218081A publication Critical patent/CN109218081A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14Network analysis or design
    • H04L41/145Network analysis or design involving simulating, designing, planning or modelling of a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • H04L41/0806Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H04L41/0809Plug-and-play configuration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/10Active monitoring, e.g. heartbeat, ping or trace-route

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Power Sources (AREA)

Abstract

This application discloses the data transmission methods and data transmission device after a kind of system dormancy awakening, this method comprises: step 10, according to first state conversion instruction and callback interface function, generate the second state conversion instruction of external equipment, wherein, for being converted system mode by working condition to dormant state, the second state conversion instruction is used to external equipment being converted to low power consumpting state by working condition for first state conversion instruction;Step 20, according to the third state conversion instruction received and the second state conversion instruction, generating device link information, wherein third state conversion instruction by dormant state for being converted system mode to working condition;Step 30, according to equipment link information, the data transfer instruction of external equipment is generated.By the technical solution in the application, reduces a possibility that data transmission exception occurs after system dormancy awakening, improve industrial detection system reliability of operation.

Description

Data transmission method and data transmission device after a kind of system dormancy awakening
Technical field
This application involves the technical fields of data transmission, pass in particular to the data after a kind of system dormancy awakening A kind of data transmission device after transmission method and system dormancy awakening.
Background technique
With the continuous development of image detecting technique, industrial camera is widely used among every field, either Desktop application or industrial detection application, when industrial detection system is in idle condition, industrial detection system can be automatically into Dormant state, meanwhile, the external equipment (such as USB industry camera) being connected with industrial detection system can also enter suspend mode shape therewith State, after being in working condition to industrial detection system by dormant state conversion, also conversion is in working condition external equipment therewith, with Just the transmission of data is carried out with industrial detection system.
In industrial detection system and external equipment, especially USB industry camera, it is in working condition by dormant state conversion Afterwards, it will usually occur USB industry camera can not with the upper layer software (applications) part in industrial detection system can not normal synchronized the phenomenon that, Lead to that normal data transmission can not be carried out between industrial detection system and USB industry camera.And in the prior art, usually by Operator by USB industry camera carry out the operation of hardware power-off reset so that USB industry camera again with industrial detection system System is attached, and realizes normal synchronized.On the one hand, before executing the operation of hardware power-off reset there are operator, because can not be normal A possibility that synchronizing, and leading to systemic breakdown.It on the other hand, not only can shadow by then passing through the power-off reset on hardware level The normal use for ringing USB industry camera, can also impact the testing result of industrial detection system, can not especially pass through When hardware power-off reset, there is a possibility that causing industrial detection system to be paralysed.
Summary of the invention
The purpose of the application is: a possibility that data transmission exception occurs after reduction system dormancy awakening improves industry Detection system reliability of operation.
The technical solution of the application first aspect has been to provide the data transmission method after a kind of system dormancy awakening, should Method includes: step 10, according to first state conversion instruction and callback interface function, generates the second state conversion of external equipment Instruction, wherein first state conversion instruction by working condition for being converted system mode to dormant state, the conversion of the second state Instruction is for being converted to low power consumpting state by working condition for external equipment;Step 20, it is converted according to the third state received Instruction and the second state conversion instruction, generating device link information, wherein third state conversion instruction be used for by system mode by Dormant state is converted to working condition;Step 30, according to equipment link information, the data transfer instruction of external equipment is generated.
In any of the above-described technical solution, further, before step 10, specifically further include: step 12, calling system frame Equipment creation and initialization function in frame;Step 13, in equipment creation and initialization function, registered callbacks interface function.
In any of the above-described technical solution, further, callback interface function is used to execute primary power source to external equipment Circulation.
It in any of the above-described technical solution, further, step 20, specifically includes: step 21, being converted according to the second state Instruction, judges whether external equipment is in low power consumpting state, if so, step 22 is executed, if it is not, external equipment is converted to low function Consumption state;Step 22, according to third state conversion instruction, judge whether system mode is in working condition by dormant state conversion, If so, step 23 is executed, if it is not, system mode conversion is in working condition;Step 23, the task driven in calling system frame Function and resource reallocation function, generating device link information.
In any of the above-described technical solution, further, step 20, specifically includes: step 26, being converted according to the third state Instruction, generating device resource allocation table;Step 27, according to the second state conversion instruction, the interface list of external equipment is obtained;Step Rapid 28, according to device resource allocation table and interface list, generating device link information.
In any of the above-described technical solution, further, step 10, specifically further include: step 14, judge whether there is The data transfer request of execution, if so, stopping executing data transfer request, if it is not, executing step 15;Step 15, according to first State conversion instruction generates data transfer request cleaning instruction, and stops generating pending data transfer request;Step 16, It is cleared up and is instructed according to data transfer request, pending data transfer request in removing system.
In any of the above-described technical solution, further, external equipment is USB industry camera.
The technical solution of the application second aspect has been to provide the data transmission device after a kind of system dormancy awakening, number According to computer readable storage medium is provided in transmitting device, it is stored with computer program in computer readable storage medium, counts Calculation machine program is performed the data transmission method realized as in the application first aspect technical solution.
The technical solution of the application third aspect has been to provide a kind of detection device with dormancy awakening function, detection Equipment includes detection system and external equipment, when detection system is converted by dormant state to working condition, passes through and executes such as this Shen Please data transmission method in first aspect technical solution, it is synchronous to carry out data with external equipment.
The beneficial effect of the application is:
By the registered callbacks interface function before industrial detection system suspend mode, in order in industrial detection system by suspend mode After filling conversion is in working condition, callback interface function is called, simulation plug operation, and generating device are carried out to external equipment Link information completes data transmission, reduces industrial detection so that industrial detection system is external equipment distributing system resource again After system dormancy awakening, occur data transmission exception a possibility that, improve industrial detection system reliability of operation, effectively keep away Exempt to need to carry out the manual operation of hot plug manually, improve use after external equipment enters dormant state because of system suspend mode The usage experience at family.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the application will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the exemplary flow of the data transmission method after the system dormancy awakening according to one embodiment of the application Figure;
Fig. 2 is the schematic flow diagram converted according to the external equipment state of one embodiment of the application.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features, and advantages of the application Mode is applied the application is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
In the following description, many details are elaborated in order to fully understand the application, still, the application may be used also To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below Specific embodiment limitation.
Embodiment:
Presently filed embodiment is illustrated hereinafter with reference to Fig. 1-2.
Data transmission method in the present embodiment is suitable for powering as power supply interface to external equipment by USB interface Industrial detection system.
As shown in Figure 1, the data transmission method after present embodiments providing a kind of system dormancy awakening, including following step It is rapid:
Step 10, according to first state conversion instruction and callback interface function, the second state conversion of external equipment is generated Instruction, wherein first state conversion instruction by working condition for being converted system mode to dormant state, the conversion of the second state Instruction is for being converted to low power consumpting state by working condition for external equipment;
Specifically, using USB industry camera as external equipment, the data transmission method in the present embodiment is illustrated. When industrial detection system enters idle state, first state conversion instruction is generated inside industrial detection system, by industrial detection The system mode of system is converted by working condition to dormant state.Before industrial detection system enters dormant state, according to return Interface function is adjusted to generate the second state conversion instruction of USB industry camera, in order to which industrial detection system turns according to the second state Instruction is changed, software simulation plug is carried out to external equipment, is operated instead of the reset of hardware circuit.
Before the step 10, specifically further include:
Step 12, the equipment creation in calling system frame and initialization function;
Specifically, it in the present embodiment, using existing system drive frame, is set for the ease of device manufacturer's exploitation is respective It is standby to drive, it is reserved with corresponding framework function interface in system framework, therefore, in external equipment access industrial detection system, Need to obtain equipment creation and the initialization function in system framework, in order to register required driving function in system framework.
Step 13, in equipment creation and initialization function, registered callbacks interface function.
Specifically, the system framework of Microsoft is used in the present embodiment, wherein equipment creation and initialization function are EvtDriverDeviceAdd.After USB industry camera access industrial detection system, the equipment in industrial detection system is called Creation and initialization function EvtDriverDeviceAdd, in equipment creation and initialization function EvtDriverDeviceAdd Registered callbacks interface function EvtDeviceArmWakeFromSx, in order to be converted in industrial detection system state by working condition To before dormant state, industrial detection system calls callback interface function EvtDeviceArmWakeFromSx, and generation corresponds to Second state conversion instruction of USB industry camera.
Wherein, callback interface function EvtDeviceArmWakeFromSx includes the first operating system dormant state function EvtDeviceArmWakeFromS1, the second operating system dormant state function EvtDeviceArmWakeFromS2, third behaviour Make system dormant state function EvtDeviceArmWakeFromS3 and the 4th operating system dormant state function EvtDeviceArmWakeFromS4。
Preferably, callback interface function is used to execute external equipment primary power source circulation.
Specifically, USB interface synchronous function WdfU is registered in callback interface function EvtDeviceArmWakeFromSx SbTargetDeviceCyclePortSynchronously, in order to be converted to work by dormant state in industrial detection system When state, USB interface synchronous function is executed in callback interface function, and primary equipment interface synchronization is executed to USB industry camera, Analog power circulation, passes through the hardware power-down operation (mains cycle) of software realization USB industry camera.
Further, after generating first state conversion instruction, industrial detection system calls callback interface function EvtDeviceArmWakeFromSx, so that record when external equipment is when being waken up, executes callback interface function EvtDeviceArmWakeFromSx, i.e., when industrial detection system is converted by working condition to before dormant state, generation is corresponded to The second state conversion instruction, control USB industry camera converted by working condition to low power consumpting state, to carry out primary power source Circulation.
Step 20, according to the third state conversion instruction received and the second state conversion instruction, generating device connection letter Breath, wherein third state conversion instruction by dormant state for being converted system mode to working condition;
Specifically, when industrial detection system needs to be converted by dormant state to working condition, third state conversion is generated Instruction, at this point, therefore, it is necessary to be turned according to the second state of USB industry camera since USB industry camera is in low power consumpting state The third state conversion instruction generating device link information of instruction and industrial detection system is changed, so that industrial detection system is again It is synchronous to carry out data for USB industry camera distributing system resource.
In the step 20, specifically include:
Step 21, according to the second state conversion instruction, judge whether external equipment is in low power consumpting state, if so, executing Step 22, if it is not, external equipment is converted to low power consumpting state;
Specifically, industrial detection system is according to the second state conversion instruction, the suspend mode of external equipment in calling system frame Driving function EvtDeviceD0Exit, so that external equipment enters low power consumpting state.Later, industrial detection system is set to external Preparation send working condition test instruction, judges whether the feedback information that can receive external equipment, if it is not, showing external equipment In low power consumpting state, execute step 22, if so, show external equipment still in working condition, it is external in calling system frame The suspend mode driving function EvtDeviceD0Exit of equipment, makes external equipment be converted to low power consumpting state.
Step 22, according to third state conversion instruction, judge whether system mode is in working condition by dormant state conversion, If so, step 23 is executed, if it is not, system mode conversion is in working condition;
Specifically, the third state conversion instruction generated according to industrial detection system, by working state of system by suspend mode shape State is converted to working condition.
Step 23, the task driven function in calling system frame and resource reallocation function, generating device link information.
Specifically, when industrial detection system is in working condition by dormant state conversion, industrial detection system calling system The task driven function EvtDeviceD0Entry of external equipment in frame, so that external equipment enters normal operating conditions, And resource reallocation function EvtDeviceSelfManagedIoRestart is called, it redistributes in industrial detection system suspend mode When the system resource stopped using, generating device link information.
Further, it in the step 20, specifically includes:
Step 26, according to third state conversion instruction, generating device resource allocation table;
Step 27, according to the second state conversion instruction, the interface list of external equipment is obtained;
Step 28, according to device resource allocation table and interface list, generating device link information.
Specifically, after industrial detection system enters dormant state, system resource in release system works as industrial detection system It after receiving third state conversion instruction, is in working condition by dormant state conversion, according to the system resource of release, generates and correspond to Device resource allocation table, in order to be redistributed to system resource.Industrial detection system external is set according to what is received The second standby state conversion instruction counts the external equipment for being in low power consumpting state in industrial detection system, obtains corresponding connect Mouth list, and then according to device resource allocation table, system resource is redistributed to the external equipment in low power consumpting state, is generated Corresponding equipment link information, so that external equipment is in working condition by low power consumpting state conversion.
Step 30, according to equipment link information, the data transfer instruction of external equipment is generated.
Specifically, external equipment enters the process of low power consumpting state, as shown in Fig. 2 (A), step 2A1, in industrial detection system After system enters dormant state, external equipment enters low power consumpting state;Step 2A2, industrial detection system is by corresponding device resource It hangs up, stops I/O operation and resource, and stop the request of the USB in bus;Step 2A3, equipment creation in calling system frame And the callback interface function of initialization function, the ability that starting device hardware responds external wake events, step 2A4, Working condition function EvtDeviceD0Exit is exited in execution.
External equipment enters the process of working condition, and as shown in Fig. 2 (B), step 2B1 enters work in industrial detection system After making state, external equipment enters working condition;Step 2B2 is executed and is entered working condition function EvtDeviceD0Entry;Step Rapid 2B3 restores the resource of external equipment, restarts I/O resource;Step 2B4 executes mains cycle instruction, generating device connection Information.When due to industrial detection system in a dormant state, the I/O resource in system is released, and is followed therefore, it is impossible to execute power supply Fourth finger enables, and after the I/O resource in industrial detection system is restarted, mains cycle instruction will be performed, simulating external access equipment Hot plug.
Further, in step 10, specifically further include:
Step 14, the data transfer request being carrying out is judged whether there is, if so, stop executing data transfer request, if It is no, execute step 15;
Step 15, according to first state conversion instruction, data transfer request cleaning instruction is generated, and stops generating pending Data transfer request;
Step 16, it is cleared up and is instructed according to data transfer request, pending data transfer request in removing system.
Specifically, when industrial detection system carries out data transmission, need to generate corresponding data transfer request, in industry Before detection system is converted to dormant state by working condition, in order to guarantee the stability of industrial detection system, when judging current It carves with the presence or absence of the data transfer request that is carrying out, if it is present stop executing current data transfer request, when not depositing In the data transfer request being carrying out, according to first state conversion instruction, stop generating pending data transfer request, And data transfer request cleaning instruction is generated, it has generated in removing system but pending data transfer request, to stop work Data transmission between industry detection system and USB industry camera, because after resuming after avoiding industrial detection system from entering dormant state Transmission of data and a possibility that lead to systemic breakdown.
The present embodiment additionally provides the data transmission device after a kind of system dormancy awakening, is provided in data transmission device Computer readable storage medium is stored with computer program in computer readable storage medium, and computer program is performed reality Now such as the data transmission method in the above-mentioned technical solutions of this embodiment.
The present embodiment provides a kind of detection device with dormancy awakening function again, detection device include detection system and External equipment, when detection system is converted by dormant state to working condition, by executing as in the above-mentioned technical solutions of this embodiment Data transmission method, with external equipment carry out data it is synchronous.
The technical solution for having been described in detail above with reference to the accompanying drawings the application, present applicant proposes after a kind of system dormancy awakening Data transmission method according to first state conversion instruction and callback interface function, generate external this method comprises: step 10 Second state conversion instruction of equipment, wherein first state conversion instruction is used to by working condition convert system mode to not Dormancy state, the second state conversion instruction are used to external equipment being converted to low power consumpting state by working condition;Step 20, according to connecing The third state conversion instruction and the second state conversion instruction received, generating device link information, wherein third state conversion refers to It enables for being converted system mode by dormant state to working condition;Step 30, according to equipment link information, external equipment is generated Data transfer instruction.By the technical solution in the application, generation data transmission exception can after reduction system dormancy awakening Energy property, improves industrial detection system reliability of operation.
Step in the application can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in the application device can be combined, divided and deleted according to actual needs.
Although disclosing the application in detail with reference to attached drawing, it will be appreciated that, these descriptions are only exemplary, not For limiting the application of the application.The protection scope of the application may include not departing from this Shen by appended claims It please be in the case where protection scope and spirit for various modifications, remodeling and equivalent scheme made by inventing.

Claims (9)

1. the data transmission method after a kind of system dormancy awakening, which is characterized in that this method comprises:
Step 10, according to first state conversion instruction and callback interface function, the second state conversion instruction of external equipment is generated, Wherein, the first state conversion instruction by working condition for being converted system mode to dormant state, second state Conversion instruction is used to the external equipment being converted to low power consumpting state by working condition;
Step 20, according to the third state conversion instruction and the second state conversion instruction received, generating device connection letter Breath, wherein the third state conversion instruction by the dormant state for being converted the system mode to the work shape State;
Step 30, according to the equipment link information, the data transfer instruction of the external equipment is generated.
2. the data transmission method after the system as claimed in claim 1 dormancy awakening, which is characterized in that the step 10 it Before, specifically further include:
Step 12, the equipment creation in calling system frame and initialization function;
Step 13, in equipment creation and initialization function, the callback interface function is registered.
3. the data transmission method after system dormancy awakening as claimed in claim 2, which is characterized in that
The callback interface function is used to execute the external equipment primary power source circulation.
4. the data transmission method after system dormancy awakening as claimed in claim 3, which is characterized in that the step 20, tool Body includes:
Step 21, according to the second state conversion instruction, judge whether the external equipment is in the low power consumpting state, if It is step 22 to be executed, if it is not, the external equipment is converted to the low power consumpting state;
Step 22, according to the third state conversion instruction, judge whether the system mode is converted to by the dormant state The working condition, if so, step 23 is executed, if it is not, the system mode is converted to the working condition;
Step 23, the task driven function and resource reallocation function in the system framework are called, the equipment connection is generated Information.
5. the data transmission method after the system as claimed in claim 1 dormancy awakening, which is characterized in that the step 20, tool Body includes:
Step 26, according to the third state conversion instruction, generating device resource allocation table;
Step 27, according to the second state conversion instruction, the interface list of the external equipment is obtained;
Step 28, according to the device resource allocation table and the interface list, the equipment link information is generated.
6. the data transmission method after the system as claimed in claim 1 dormancy awakening, which is characterized in that the step 10, tool Body further include:
Step 14, the data transfer request being carrying out is judged whether there is, if so, stop executing the data transfer request, if It is no, execute step 15;
Step 15, according to the first state conversion instruction, data transfer request cleaning instruction is generated, and stops generating pending Data transfer request;
Step 16, it is cleared up and is instructed according to the data transfer request, pending data transfer request in removing system.
7. such as the data transmission method after system dormancy awakening described in any one of claims 1 to 6, which is characterized in that
The external equipment is USB industry camera.
8. a kind of data transmission device, computer readable storage medium, the computer are provided in the data transmission device Computer program is stored in readable storage medium storing program for executing, which is characterized in that the computer program is performed realization as right is wanted Data transmission method described in asking any one of 1 to 7.
9. a kind of detection device with dormancy awakening function, the detection device includes detection system and external equipment, described When detection system is converted by dormant state to working condition, pass through the data biography executed as described in any one of claims 1 to 7 It is synchronous to carry out data with the external equipment for transmission method.
CN201810971179.3A 2018-08-24 2018-08-24 Data transmission method and data transmission device after system dormancy awakening Active CN109218081B (en)

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