CN107491406A - The hot-plug method and device of a kind of interface - Google Patents
The hot-plug method and device of a kind of interface Download PDFInfo
- Publication number
- CN107491406A CN107491406A CN201710734832.XA CN201710734832A CN107491406A CN 107491406 A CN107491406 A CN 107491406A CN 201710734832 A CN201710734832 A CN 201710734832A CN 107491406 A CN107491406 A CN 107491406A
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- China
- Prior art keywords
- interface
- plug
- signal
- component
- target interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G06F13/4081—Live connection to bus, e.g. hot-plugging
Abstract
The invention discloses a kind of hot-plug method of interface and device, this method includes：Set the safety operation logic for interface；Coherent signal is obtained by CPLD devices；Wherein, coherent signal is caused signal when plug operation is carried out to component；Targeted security operation logic corresponding with coherent signal is chosen, and safety operation is carried out to target interface to realize the hot plug to component according to targeted security operation logic.It can be seen that this method ensure that the security and reliability of whole equipment when user directly inserts or pull out to component, and the overall ease for use of operating experience and equipment of the user for equipment has been correspondingly improved it.In addition, the expansion of hot-plug method is higher, and then certain basis is provided for follow-up optimization.In addition, the present invention also provides a kind of hot plug device of interface, beneficial effect is as described above.
Description
Technical field
The present invention relates to Interface design field, more particularly to the hot-plug method and device of a kind of interface.
Background technology
With the diversification of component in electronic equipment, and because equipment needs to keep high performance working condition, because
Component in this equipment needs to carry out frequently to change or increase.But equipment needs to change component after a loss of power and then logical
Component ability normal work when electric, this undoubtedly have impact on user for the normal of the use feeling and equipment itself of equipment
Work.
Method of the hot plug as replacing component when realizing equipment operation, certain applications are in storage, server, PC
Machine field, but the execution logic of existing hot-plug method is fixed, user can not flexibly be write as needed.In addition,
Some interface cards still can not realize that user directly plugs the operation of component at work, when user inserts when interface card works
When pulling out component thereon, can cause corrupted data occur using the equipment of the interface card, lose or delay machine situations such as.And for
Interface card realizes warm connection function, is remarkably contributing to improve the operating experience of user, and does not influence the normal operation of equipment, and
And due to that can be changed when equipment is run or add component, therefore also user can be easy to adjust equipment in real time
Examination, improve the ease for use of equipment.
It can be seen that, there is provided a kind of hot-plug method of interface, improving operating experience and equipment of the user for equipment
Flexibility and the expansion that hot-plug method is write are improved while ease for use, being that those skilled in the art are urgently to be resolved hurrily asks
Topic.
The content of the invention
It is an object of the invention to provide a kind of hot-plug method of interface and device, ensure that user directly enters to component
The security and reliability of whole equipment when row inserts or pull out, and it has been correspondingly improved operating body of the user for equipment
Test and ease for use that equipment is overall.In addition, the expansion of hot-plug method is higher, and then provided necessarily for follow-up optimization
Basis.
In order to solve the above technical problems, the present invention provides a kind of hot-plug method of interface, including：
Set the safety operation logic for interface；
Coherent signal is obtained by CPLD devices；Wherein, coherent signal is produced when plug operation is carried out to component
Signal；
Targeted security operation logic corresponding with coherent signal is chosen, and according to targeted security operation logic to target interface
Safety operation is carried out to realize the hot plug to component.
Preferably, coherent signal specifically includes：
The current state output signals of plug/unplug operation signal, button trigger signal and interface.
Preferably, after coherent signal is obtained by CPLD devices, this method, which carries out a step, to be included：
Judge whether the state of current goal interface meets trigger conditions；
Targeted security operation logic corresponding with coherent signal is chosen if it is, performing, and is operated according to targeted security
Logic carries out the step of safety operation is to realize the hot plug to component to target interface,
Otherwise, error message is prompted.
Preferably, when plug/unplug operation signal is specially to insert operation signal, trigger condition specifically includes：
Target interface is in idle condition, the button of target interface is triggered and target interface has carried component；
Accordingly, safety operation is specially that target interface is carried out into safe power-on servicing.
Preferably, when plug/unplug operation signal is specially to pull out operation signal, trigger condition specifically includes：
Target interface is in running status, the button of target interface is triggered and target interface departs from component；
Accordingly, safety operation is specially that target interface is carried out into safe power operation.
Preferably, obtaining coherent signal by CPLD devices is specially：
Coherent signal is obtained by CPLD devices by the way of poll.
Preferably, this method further comprises：
Set the priority of interface；
Accordingly, safety operation is carried out to target interface to realize that the heat to component is inserted according to targeted security operation logic
Pull out specially：
Safety operation is carried out to realize to member to target interface according to targeted security operation logic according to the order of priority
The hot plug of device.
In addition, the present invention also provides a kind of hot plug device of interface, including：
Logic setting module, for setting the safety operation logic for interface；
Signal acquisition module, for obtaining coherent signal by CPLD devices；Wherein, coherent signal is that component is carried out
Caused signal during plug operation；
Operation executing module, for choosing targeted security operation logic corresponding with coherent signal, and according to targeted security
Operation logic carries out safety operation to realize the hot plug to component to target interface.
Preferably, the device further comprises：
Judge module is triggered, for judging whether the state of current goal interface meets trigger conditions, if it is,
Call operation execution module.
Preferably, the device further comprises：
Priority level initializing module, for setting the priority of interface.
The hot-plug method of interface provided by the present invention, the related letter of hot plug for interface is obtained by CPLD devices
Number, and interface when default logic inserts or pull out component to control is performed according to coherent signal and carries out corresponding safety behaviour
Make, and then ensure that the security and reliability of whole equipment when user directly inserts or pull out to component, and
It has been correspondingly improved the overall ease for use of operating experience and equipment of the user for equipment.On the other hand, due to CPLD devices
Ability in terms of logical extension is stronger, and user can the more deep interrelated logic of writing in CPLD devices as needed
Execution method, therefore the expansion of hot-plug method is higher, and then provide certain basis for follow-up optimization.In addition, this
Invention also provides a kind of hot plug device of interface, and corresponding with above-mentioned method, beneficial effect is as described above.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the hot-plug method of interface provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the hot-plug method of another interface provided in an embodiment of the present invention；
Fig. 3 is a kind of hot plug device structure chart of interface provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, for those of ordinary skill in the art under the premise of creative work is not made, what is obtained is every other
Embodiment, belong to the scope of the present invention.
The core of the present invention is to provide a kind of hot-plug method of interface, ensure that user directly inserts to component
Or when extracting whole equipment security and reliability, and be correspondingly improved user for the operating experience of equipment and
The overall ease for use of equipment.In addition, the expansion of hot-plug method is higher, and then certain base is provided for follow-up optimization
Plinth.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
Fig. 1 is a kind of flow chart of the hot-plug method of interface provided in an embodiment of the present invention.Fig. 1 is refer to, interface
The specific steps of hot-plug method include：
Step S10：Set the safety operation logic for interface.
Signified safety operation logic is that interface is taken accordingly according to the plug of different components operation in this step
The counter-measures such as power supply power-off, to ensure the normal work of equipment.Due to the operating voltage required for different components and match somebody with somebody
Put that mode is different, therefore should be directed to the component that can arbitrarily carry out plugging operation should have safety operation logic right therewith
Should.
Step S11：Coherent signal is obtained by CPLD devices.
Wherein, coherent signal is caused signal when plug operation is carried out to component.
The middle component that CPLD devices are communicated as interface and chip, member is plugged in interface for receiving and handling
Caused coherent signal during device, and a kind of form of heat insertion is hilted broadsword heat insertion, under this form, CPLD processing is related
Signal is simultaneously voluntarily communicated and control interface takes corresponding operating in interface.It can be seen that tool of the CPLD devices according to coherent signal
Hold in vivo and further communicated with chip or voluntarily docking port progress is corresponding operates according to safety operation logic.Need to illustrate
, a kind of CPLD devices voluntarily digital integrated electronic circuit of constitutive logic function, therefore can open that is user according to respective need
The expansion of hair property and logic is stronger, and user according to the mode of required signal transacting, can carry out the optimization of interrelated logic
And expand.
Step S12：Targeted security operation logic corresponding with coherent signal is chosen, and according to targeted security operation logic pair
Target interface carries out safety operation to realize the hot plug to component.
It is understood that the purpose of this step is the content according to coherent signal it is determined that the safety operation used is patrolled
Volume, and then operated according to the operation logic.For example, when component extracts interface, it should take a series of appropriate interfaces
Power-off measure, ensure voltage stabilization, and the safety of data；When component inserts interface, it should take a series of appropriate connect
Mouth energization measure, it is ensured that component being capable of normal work and steady access device.It can be seen that due to being had according to component for interface
The operation behavior of body and safety operation logic corresponding to choosing, therefore can ensure that entirety when different components carry out hot plug
The normal work of equipment.Furthermore, it is necessary to, it is emphasized that above-mentioned safety operation logic be not limited in component into and out
Operate it is relevant, can also be corresponding with the operation into and out congener, be not specifically limited herein.
The hot-plug method of interface provided by the present invention, the related letter of hot plug for interface is obtained by CPLD devices
Number, and interface when default logic inserts or pull out component to control is performed according to coherent signal and carries out corresponding safety behaviour
Make, and then ensure that the security and reliability of whole equipment when user directly inserts or pull out to component, and
It has been correspondingly improved the overall ease for use of operating experience and equipment of the user for equipment.On the other hand, due to CPLD devices
Ability in terms of logical extension is stronger, and user can the more deep interrelated logic of writing in CPLD devices as needed
Execution method, therefore the expansion of hot-plug method is higher, and then provide certain basis for follow-up optimization.
Embodiment two
On the basis of above-described embodiment, as a preferred embodiment, coherent signal specifically includes：
The current state output signals of plug/unplug operation signal, button trigger signal and interface.
It is understood that because the plug for being related to component operates, therefore corresponding plug/unplug operation signal can be produced
Specifically to represent operation behavior；In addition, in order to not cause the maloperation for component, interface is often set with plug button,
It is required for pushing button before the plug of component is carried out to illustrate this operation for normal operating；Interface current state output signals master
It is used to showing whether current component to be already inserted into extract in place or smoothly, avoids component occur when inserting component
Loosen or occur the situation that interface and component do not completely disengage when extracting component and caused by error situation generation.
Fig. 2 is the flow chart of the hot-plug method of another interface provided in an embodiment of the present invention.Step S10- in Fig. 2
S12 is identical with Fig. 1, will not be repeated here.
As shown in Fig. 2 on the basis of above-described embodiment, as a preferred embodiment, passing through CPLD devices
After obtaining coherent signal, this method, which carries out a step, to be included：
Step S20：Judge whether the state of current goal interface meets trigger conditions.
If it is, step S12 is performed,
Otherwise, step S21 is performed.
Step S21：Prompt error message.
It is understood that the precondition for carrying out hot plug is that current Interface status can allow for hot plug operations
Occur, and the effect of trigger condition is to define current equipment interface whether to plug component, such as whether interface is in
Idle upstate, whether it is in the successfully state of carrying component or whether pulls out component etc. completely.When Interface status is equal
Meet the plug processing that excuse according to targeted security operation logic, can be then realized during trigger condition, otherwise need to carry out mistake
A series of alarm measures such as prompting are to inform that user's hot plug operations are infeasible.
On the basis of above-described embodiment, as a preferred embodiment, when plug/unplug operation signal is specially to insert behaviour
When making signal, trigger condition specifically includes：
Target interface is in idle condition, the button of target interface is triggered and target interface has carried component；
Accordingly, safety operation is specially that target interface is carried out into safe power-on servicing.
It is understood that first it should be ensured that the interface is currently without untreated completion when component is inserted into interface
Work and be in the idle condition that can carry component, in addition it should also be ensured that interface keys are pressed, to prove this yuan of device
The insertion operation of part is not maloperation, finally it is ensured that the component of insertion operation is fit to interface insertion, is avoided because circuit connects
The unreal situation for causing the phenomenon of short circuit and then causing component damage is connect to occur.Meeting the basis of above trigger condition
On, and then the corresponding safety carried out according to the rated power of component is powered, it is ensured that the normal work of component.
On the basis of above-described embodiment, as a preferred embodiment, when plug/unplug operation signal is specially to pull out behaviour
When making signal, trigger condition specifically includes：
Target interface is in running status, the button of target interface is triggered and target interface departs from component；
Accordingly, safety operation is specially that target interface is carried out into safe power operation.
It is understood that before component is extracted into interface, first it should be ensured that carrying at the target interface of the component
In the state of normal work, ensure that interface can carry out normal response to safety operation, in addition, it should also be ensured that interface keys quilt
Press, to prove that the extraction of component operation is not maloperation, finally it is ensured that interface completely disengages with component, and then will
Interface is powered off to complete the integrated operation of hot drawing.
On the basis of above-described embodiment, as a preferred embodiment, obtaining coherent signal by CPLD devices
Specially：
Coherent signal is obtained by CPLD devices by the way of poll.
It is understood that due to the interface in equipment often have it is multiple, each interface carry out component thermal plug
When should all have identical response policy and response speed, therefore by the way of poll, each interface of cyclic access
Situation, and coherent signal is obtained by CPLD devices, and then ensure that the speed of response of any interface is consistent.
As shown in Fig. 2 on the basis of above-described embodiment, as a preferred embodiment, this method is further wrapped
Include：
Set the priority of interface；
Accordingly, safety operation is carried out to target interface to realize that the heat to component is inserted according to targeted security operation logic
Pull out specially：
Safety operation is carried out to realize to member to target interface according to targeted security operation logic according to the order of priority
The hot plug of device.
It should be noted that due to often having association between component, therefore should be examined when plugging component
Consider the priority orders of component interaction, therefore set the priority of interface, pass through when docking port carries out hot plug
The order of priority enters the corresponding of line interface, avoids causing the unstable of equipment because of plug sequence error.In addition, for connecing
The setting of mouth priority is only needed to carry out before using interface, and specific steps are not specifically limited.
Embodiment three
Hereinbefore it is described in detail for a kind of embodiment of the hot-plug method of interface, the present invention also provides
A kind of hot plug device of interface, because the embodiment of device part and the embodiment of method part are mutually corresponding, therefore device
Partial embodiment refers to the description of the embodiment of method part, wouldn't repeat here.
Fig. 3 is a kind of hot plug device structure chart of interface provided in an embodiment of the present invention.As shown in figure 3, the present invention is real
The hot plug device of the interface of example offer is provided, including：
Logic setting module 10, for setting the safety operation logic for interface.
Signal acquisition module 11, for obtaining coherent signal by CPLD devices.
Operation executing module 12, for choosing targeted security operation logic corresponding with coherent signal, and pacify according to target
Full operation logic carries out safety operation to realize the hot plug to component to target interface.
The hot plug device of interface provided by the present invention, the related letter of hot plug for interface is obtained by CPLD devices
Number, and interface when default logic inserts or pull out component to control is performed according to coherent signal and carries out corresponding safety behaviour
Make, and then ensure that the security and reliability of whole equipment when user directly inserts or pull out to component, and
It has been correspondingly improved the overall ease for use of operating experience and equipment of the user for equipment.On the other hand, due to CPLD devices
Ability in terms of logical extension is stronger, and user can the more deep interrelated logic of writing in CPLD devices as needed
Execution method, therefore the expansion of hot-plug method is higher, and then provide certain basis for follow-up optimization.
On the basis of embodiment three, as a preferred embodiment, the device further comprises：
Judge module is triggered, for judging whether the state of current goal interface meets trigger conditions, if it is,
Call operation execution module.
On the basis of embodiment three, as a preferred embodiment, the device further comprises：
Priority level initializing module, for setting the priority of interface.
The hot-plug method and device of a kind of interface provided by the present invention are described in detail above.In specification
Each embodiment is described by the way of progressive, and what each embodiment stressed is the difference with other embodiment,
Between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, due to itself and implementation
Method disclosed in example is corresponding, so description is fairly simple, related part is referring to method part illustration.It should be pointed out that
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be entered
Some improvement of row and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Claims (10)
- A kind of 1. hot-plug method of interface, it is characterised in that including：Set the safety operation logic for interface；Coherent signal is obtained by CPLD devices；Wherein, the coherent signal is produced when plug operation is carried out to component Signal；Targeted security operation logic corresponding with the coherent signal is chosen, and according to the targeted security operation logic to target Interface carries out safety operation to realize the hot plug to the component.
- 2. according to the method for claim 1, it is characterised in that the coherent signal specifically includes：The current state output signals of plug/unplug operation signal, button trigger signal and the interface.
- 3. according to the method for claim 2, it is characterised in that, should after the acquisition coherent signal by CPLD devices Method, which carries out a step, to be included：Judge whether the state of presently described target interface meets trigger conditions；If it is, selection targeted security operation logic corresponding with the coherent signal is performed, and according to the target Safety operation logic carries out the step of safety operation is to realize the hot plug to the component to target interface,Otherwise, error message is prompted.
- 4. according to the method for claim 3, it is characterised in that when the plug/unplug operation signal is specially to insert operation signal When, the trigger condition specifically includes：The target interface is in idle condition, the button of the target interface is triggered and the target interface has carried institute State component；Accordingly, the safety operation is specially that the target interface is carried out into safe power-on servicing.
- 5. according to the method for claim 3, it is characterised in that when the plug/unplug operation signal is specially to pull out operation signal When, the trigger condition specifically includes：The target interface is in running status, the button of the target interface is triggered and the target interface with it is described Component departs from；Accordingly, the safety operation is specially that the target interface is carried out into safe power operation.
- 6. according to the method described in claim 1 to 5 any one, it is characterised in that described to obtain correlation by CPLD devices Signal is specially：The coherent signal is obtained by the CPLD devices by the way of poll.
- 7. according to the method described in claim 1 to 5 any one, it is characterised in that this method further comprises：Set the priority of the interface；Accordingly, it is described that safety operation is carried out to target interface to realize to first device according to the targeted security operation logic The hot plug of part is specially：Safety operation is carried out to realize to target interface according to the targeted security operation logic according to the order of the priority Hot plug to the component.
- A kind of 8. hot plug device of interface, it is characterised in that including：Logic setting module, for setting the safety operation logic for interface；Signal acquisition module, for obtaining coherent signal by CPLD devices；Wherein, the coherent signal is that component is carried out Caused signal during plug operation；Operation executing module, for choosing targeted security operation logic corresponding with the coherent signal, and according to the target Safety operation logic carries out safety operation to realize the hot plug to the component to target interface.
- 9. device according to claim 8, it is characterised in that the device further comprises：Judge module is triggered, for judging whether the state of presently described target interface meets trigger conditions, if it is, Call the operation executing module.
- 10. device according to claim 8 or claim 9, it is characterised in that the device further comprises：Priority level initializing module, for setting the priority of the interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734832.XA CN107491406A (en) | 2017-08-24 | 2017-08-24 | The hot-plug method and device of a kind of interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734832.XA CN107491406A (en) | 2017-08-24 | 2017-08-24 | The hot-plug method and device of a kind of interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107491406A true CN107491406A (en) | 2017-12-19 |
Family
ID=60650769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710734832.XA Pending CN107491406A (en) | 2017-08-24 | 2017-08-24 | The hot-plug method and device of a kind of interface |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111984570A (en) * | 2020-07-14 | 2020-11-24 | 深圳市优必选科技股份有限公司 | Device hot plug detection method and device |
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Application publication date: 20171219 |