CN106920504A - The guard method of LED display correction data and device - Google Patents
The guard method of LED display correction data and device Download PDFInfo
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- CN106920504A CN106920504A CN201710209436.5A CN201710209436A CN106920504A CN 106920504 A CN106920504 A CN 106920504A CN 201710209436 A CN201710209436 A CN 201710209436A CN 106920504 A CN106920504 A CN 106920504A
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- correction data
- led display
- control card
- display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The present invention relates to LED display alignment technique field, more particularly to guard method and the device of a kind of LED display correction data, wherein, judge with whether the correction data of storage in LED display modules is destroyed or loses by control card, the situation for being used to be destroyed for the correction data of control card or LED display module any objects or lost is recovered automatically, to protect correction data, simultaneously, both correction datas all be destroyed or lose extreme case under, send abnormal prompt information, prompting user recovers correction data as early as possible, ensure that the accuracy of correction data, improve operating efficiency and Consumer's Experience.
Description
Technical field
The present invention relates to LED display alignment technique field, more particularly to a kind of protection side of LED display correction data
Method and device.
Background technology
At present, the alignment technique of LED display has been increasingly becoming LED display control programs indispensability technology and has reached its maturity,
In order to ensure the safety of correction data, it usually needs correction data is preserved simultaneously in control system and LED display, even if such as
This, is influenceed, it is likely that cause control system or LED by complicated live applied environment such as weather, dust, electric, electromagnetic field etc.
Correction data in display screen is lost, once and loss correction data, because system lacks advance diagnostic measures, it will do not having
In the case of any sign, the display exception of LED display is directly contributed, and scene needs operating personnel aobvious from LED manually
During correction data is read control system in display screen, or by upper computer software correction data be sent to control system or
In LED display, this all causes deleterious effect to scene application and display effect, badly influences the economy profit of client
Benefit.
As can be seen here, correction data is preserved although taking backup in the prior art, but correction number cannot be eliminated
According to destroyed risk, once destroyed or lose, it is necessary at the scene update upgrading correction data, bring inefficiency and
The problem of poor user experience, it would be highly desirable to improve.
The content of the invention
Guard method and device it is an object of the invention to provide a kind of LED display correction data, it is intended to solve existing
Safeguard that convenience is poor, efficiency is low and poor user experience problem with the presence of the insurmountable correction data of technology.
First aspect present invention provides a kind of guard method of LED display correction data, and methods described includes：
Judge whether control card loses with the correction data of storage in LED display modules respectively；
If the control card is not lost with the correction data of storage in the LED display modules, the control is controlled
Card and the LED display modules normal work；
If correction data of one of storage is lost in both the control card and described LED display modules, in institute
State and data duplication is corrected between control card and the LED display modules, control the control card and the LED display modules
Normal work；
If the control card is lost with the correction data of storage in the LED display modules, abnormal prompt letter is sent
Calibration function is ceased and closed, the control card and the LED display modules normal work is controlled.
Second aspect present invention provides a kind of protection device of LED display correction data, and described device includes：
Judging unit, for judging whether control card loses with the correction data of storage in LED display modules respectively；
First control unit, if not lost with the correction data of storage in the LED display modules for the control card
Lose, then control the control card with the LED display modules normal work；
Second control unit, if for the school of one of storage in both the control card and described LED display modules
Correction data is lost, then data duplication is corrected between the control card and the LED display modules, controls the control card
With the LED display modules normal work；
3rd control unit, if being lost with the correction data of storage in the LED display modules for the control card,
Then send abnormal prompt information and close calibration function, control the control card and the LED display modules normal work.
Guard method and device the invention provides a kind of LED display correction data, can be directed to control card or LED
The correction data of display module any object is destroyed or the situation of loss is recovered automatically, to protect correction data, meanwhile,
In the extreme case that both correction datas are all destroyed or lose, abnormal prompt information is sent, point out user to recover school as early as possible
Correction data, ensure that the accuracy of correction data to greatest extent, improve operating efficiency and Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the guard method of LED display correction data provided in an embodiment of the present invention；
Fig. 2 is that the guard method S103 of LED display correction data provided in an embodiment of the present invention implements flow
Figure；
Fig. 3 is that one kind of the guard method S201 of LED display correction data provided in an embodiment of the present invention is implemented
Flow chart；
Fig. 4 is that the another kind of the guard method S201 of LED display correction data provided in an embodiment of the present invention is specific real
Existing flow chart；
Fig. 5 is that the guard method S202 of LED display correction data provided in an embodiment of the present invention implements flow
Figure；
Fig. 6 is that the guard method S104 of LED display correction data provided in an embodiment of the present invention implements flow
Figure；
Fig. 7 is the structure chart of the protection device of LED display correction data provided in an embodiment of the present invention；
Fig. 8 is the structure chart of the second control unit provided in an embodiment of the present invention；
Fig. 9 is a structure chart of the first control module provided in an embodiment of the present invention；
Figure 10 is another structure chart of the first control module provided in an embodiment of the present invention；
Figure 11 is the structure chart of the second control module provided in an embodiment of the present invention；
Figure 12 is the structure chart of the 3rd control unit provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " is somebody's turn to do " and is intended to include plural form.
What Fig. 1 showed a kind of guard method of LED display correction data provided in an embodiment of the present invention realizes flow,
The executive agent of the guard method of the LED display correction data in the present embodiment is filled for the protection of LED display correction data
Put.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step S101, judge whether control card loses with the correction data of storage in LED display modules respectively.
Specifically, the school whether correction data stored in control card loses and judge to be stored in LED display modules is judged
Whether correction data loses, comprising three kinds of situations：1) control card is not lost with the correction data of storage in LED display modules；2)
Correction data of one of storage is lost in both control card and LED display modules；3) deposited in control card and LED display modules
The correction data of storage is lost, and the corresponding concrete operations of these three situations are respectively such as step S102, step S103 and step
Described in S104.
In step s 102, if control card is not lost with the correction data of storage in LED display modules, control control
Card and LED display module normal works.
Specifically, detect control card not lost with the correction data of storage in LED display modules, then it represents that when upper electricity
After startup, the correction data stored in verification control card is correct, compares the correction data and LED display modules stored in control card
The correction data of middle storage is identical, comparison herein, including the name of the correction data stored in comparison control card is with version
It is no identical, if all same, judge that control card is not lost with the correction data of storage in LED display modules, control control card
With LED display module normal works.
In step s 103, if correction data of one of storage is lost in both control card and LED display modules,
Data duplication, control control card and LED display module normal works are corrected between control card and LED display modules.
Specifically, correction data loss of one of storage includes following two in both control card and LED display modules
The situation of kind：1) correction data stored in control card is lost, and the correction data stored in LED display modules is not lost；2) control
The correction data stored in card is not lost, and the correction data stored in LED display modules is lost.Mould is shown in control card and LED
Data duplication is corrected between group and corresponds to above-mentioned two situations respectively：1) the correction data hair that will be stored in LED display modules
Deliver to control card；2) correction data that will be stored in control card is sent to LED display modules.
In step S104, if control card is lost with the correction data of storage in LED display modules, abnormal carrying is sent
Show information and close calibration function, control control card and LED display module normal works.
Specifically, when the correction data stored in control card with LED display modules is lost, show for control card and LED
For showing module, its function in addition to correction is simultaneously unaffected, therefore, after correction data is all lost, close calibration function
And send the abnormal prompt message of calibration function and remind user to resend correction data.
Alternatively, if control card is lost with the correction data of storage in LED display modules, abnormal prompt letter is sent
Breath, and the backup correction data stored in control card is read, backup correction data is sent to LED display modules, control control
Card and LED display module normal works.
Alternatively, if control card is lost with the correction data of storage in LED display modules, abnormal prompt letter is sent
Breath, and the backup correction data stored in LED display modules is read, backup correction data is sent to control card, control control
Card and LED display module normal works.
In embodiments of the present invention, by storing backup correction data in control card and LED display modules, realize in control
When the correction data stored in fabrication and LED display modules is lost, standby correction data is called in time, it is to avoid because closing school
Orthofunction and cause the display effect of display screen to be deteriorated, improve operating efficiency and Consumer's Experience.
Fig. 2 shows implementing for the guard method S103 of LED display correction data provided in an embodiment of the present invention
Flow.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step s 201, if the correction data stored in control card is lost, the correction data stored in LED display modules
Do not lose, then send to control card the correction data stored in LED display modules, control control card is with LED display modules just
Often work.
Specifically, the correction data for being stored in control card is lost, the non-lost package of correction data stored in LED display modules
Include two kinds of situations：1) it is correct through verifying the correction data that is stored in control card, through compare the correction data stored in control card with
The correction data stored in LED modules is differed, but correct through verifying the correction data of storage in LED display modules；2) pass through
The correction data stored in verification control card is incorrect, correct through verifying the correction data in LED display modules.
In step S202, if the correction data stored in LED display modules is lost, the correction data stored in control card
Do not lose, then the correction data that will be stored in control card is sent to LED display modules, control control card is with LED display modules just
Often work.
Through verifying the correction data stored in control card correctly, show with LED through comparing the correction data stored in control card
Show that the correction data stored in module is differed, but it is incorrect through verifying the correction data of storage in LED display modules, then sentence
The correction data for determining to be stored in LED display modules is lost, and the correction data stored in control card is not lost.
Fig. 3 shows that one kind of the guard method S201 of LED display correction data provided in an embodiment of the present invention is specific
Realize flow.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step S301, when enabling signal is detected, whether the correction data stored in verification control card is correct.
Specifically, when electrifying startup, detect enabling signal, start the correction data that is stored in access control card with it is pre-
If whether correction data is identical, if identical, the correction data stored in control card is correct, if it is not the same, then control card
The correction data of middle storage is incorrect.
In step s 302, if the correction data stored in control card is correct, the correction number stored in control card is compared
According to whether identical with the correction data of storage in LED display modules.
Specifically, the correction data for being stored in verification control card is correct, then read the correction number stored in LED display modules
According to the correction data that will be stored in control card is compared with the correction data of storage in LED display modules, and comparison can be name
Title, version etc., specifically preset as desired.
In step S303, if the correction data stored in the correction data stored in control card and LED display modules is not
It is identical, then whether correct verify the correction data stored in LED display modules.
Specifically, when the correction data stored in the correction data stored during comparison draws control card with LED display modules
Version is different, then start to verify whether the correction data stored in LED display modules is identical with default correction data, if phase
Together, then the correction data for being stored in LED display modules is correct, if it is not the same, the correction data for then being stored in LED display modules
It is incorrect.
In step s 304, if the correction data stored in LED display modules is correct, the school stored in control card is judged
Correction data is lost, and the correction data stored in LED display modules is not lost.
In step S305, the correction data in LED display modules is sent to control card, control control card shows with LED
Show module normal work.
Fig. 4 shows another tool of the guard method S201 of LED display correction data provided in an embodiment of the present invention
Body realizes flow.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step S401, when enabling signal is detected, whether the correction data stored in verification control card is correct.
In step S402, if the correction data stored in control card is incorrect, stored in verification LED display modules
Whether correction data is correct.
In step S403, if the correction data stored in LED display modules is correct, the school stored in control card is judged
Correction data is lost, and the correction data stored in LED display modules is not lost.
In step s 404, the correction data stored in LED display modules is sent to control card, control control card with
LED display module normal works.
Fig. 5 shows implementing for the guard method S202 of LED display correction data provided in an embodiment of the present invention
Flow.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step S501, when enabling signal is detected, whether the correction data stored in verification control card is correct.
In step S502, if the correction data stored in control card is correct, the correction number stored in control card is compared
According to whether identical with the correction data of storage in LED display modules.
In step S503, if the correction data stored in the correction data stored in control card and LED display modules is not
It is identical, then whether correct verify the correction data stored in LED display modules.
In step S504, if the correction data stored in LED display modules is incorrect, in judgement LED display modules
The correction data of storage is lost, and the correction data stored in control card is not lost.
In step S505, the correction data that will be stored in control card is sent to LED display modules, control control card with
LED display module normal works.
Fig. 6 shows implementing for the guard method S104 of LED display correction data provided in an embodiment of the present invention
Flow.For convenience of description, the part related to the embodiment of the present invention is illustrate only, details are as follows：
In step s 601, when enabling signal is detected, whether the correction data stored in verification control card is correct.
In step S602, if the correction data stored in control card is incorrect, stored in verification LED display modules
Whether correction data is correct.
In step S603, if the correction data stored in LED display modules is incorrect, judge that control card shows with LED
Show that the correction data stored in module is lost.
In step s 604, send abnormal prompt information and close calibration function, control control card is with LED display modules just
Often work.
In the embodiment of the present invention, by judging whether control card loses with the correction data of storage in LED display modules respectively
Lose；If control card is not lost with the correction data of storage in LED display modules, control control card is with LED display modules just
Often work；If correction data of one of storage is lost in both control card and LED display modules, in control card and LED
Data duplication, control control card and LED display module normal works are corrected between display module；If control card shows with LED
Show that the correction data stored in module is lost, then send abnormal prompt information and close calibration function, control control card and LED
Display module normal work.The present invention can be directed to control card or LED display module any objects correction data it is destroyed or
The situation of loss is recovered automatically, to protect correction data, meanwhile, in the pole that both correction datas are all destroyed or lose
End situation, sends abnormal prompt information, points out user to recover correction data as early as possible, and the standard of correction data is ensure that to greatest extent
True property, improves operating efficiency and Consumer's Experience.
Fig. 7 shows a kind of structure chart of the protection device of LED display correction data provided in an embodiment of the present invention, is
It is easy to explanation, illustrate only the part related to the embodiment of the present invention, details are as follows：
The embodiment of the present invention provides a kind of protection device of LED display correction data, and the device includes judging unit
701st, the first control unit 702, the second control unit 703 and the 3rd control unit 704.
Judging unit 701 is used to judge whether control card loses with the correction data of storage in LED display modules respectively.
Specifically, judging unit 701 judges whether the correction data stored in control card loses and judge LED display modules
Whether the correction data of middle storage loses, comprising three kinds of situations：1) control card is equal with the correction data of storage in LED display modules
Do not lose；2) correction data of one of storage is lost in both control card and LED display modules；3) control card shows with LED
Show that the correction data stored in module is lost, these three situations correspond to the first control unit 702, the second control unit respectively
703rd, the 3rd control unit 704.
Further, if the first control unit 702 is used for the correction data stored in control card and LED display modules not
Lose, then control control card and LED display module normal works.
Specifically, detect control card not lost with the correction data of storage in LED display modules, then it represents that when upper electricity
After startup, the correction data stored in verification control card is correct, compares the correction data and LED display modules stored in control card
The correction data of middle storage is identical, comparison herein, including the name of the correction data stored in comparison control card is with version
It is no identical, if all same, judge that control card is not lost with the correction data of storage in LED display modules, the first control is single
Unit 702 controls control card and LED display module normal works.
Further, the second control unit 703, if for one of storage in both control card and LED display modules
Correction data lose, then be corrected data duplication between control card and LED display modules, control control card shows with LED
Show module normal work.
Specifically, correction data loss of one of storage includes following two in both control card and LED display modules
The situation of kind：1) correction data stored in control card is lost, and the correction data stored in LED display modules is not lost；2) control
The correction data stored in card is not lost, and the correction data stored in LED display modules is lost.Mould is shown in control card and LED
Data duplication is corrected between group and corresponds to above-mentioned two situations respectively：1) the correction data hair that will be stored in LED display modules
Deliver to control card；2) correction data that will be stored in control card is sent to LED display modules.
Further, if the 3rd control unit 704 is used for control card and is lost with the correction data of storage in LED display modules
Lose, then send abnormal prompt information and close calibration function, control control card and LED display module normal works.
Specifically, when the correction data stored in control card with LED display modules is lost, show for control card and LED
For showing module, its function in addition to correction is simultaneously unaffected, therefore, after correction data is all lost, close calibration function
And send the abnormal prompt message of calibration function and remind user to resend correction data.
Alternatively, if the 3rd control unit 704 is used for control card and is lost with the correction data of storage in LED display modules
Lose, then send abnormal prompt information, and read the backup correction data stored in control card, by backup correction data send to
LED display modules, control control card and LED display module normal works.
Alternatively, if the 3rd control unit 704 is used for control card and is lost with the correction data of storage in LED display modules
Lose, then send abnormal prompt information, and read the backup correction data stored in LED display modules, by backup correction data hair
Deliver to control card, control control card and LED display module normal works.
In embodiments of the present invention, by storing backup correction data in control card and LED display modules, realize in control
When the correction data stored in fabrication and LED display modules is lost, standby correction data is called in time, it is to avoid because closing school
Orthofunction and cause the display effect of display screen to be deteriorated, improve operating efficiency and Consumer's Experience.
Fig. 8 shows the structure chart of the second control unit 703 provided in an embodiment of the present invention.For convenience of description, only show
The part related to the embodiment of the present invention is gone out, details are as follows：
Second control unit 703 includes the first control module 801, the second control module 802.
If the correction data that the first control module 801 is used to be stored in control card is lost, the school stored in LED display modules
Correction data is not lost, then sent to control card the correction data stored in LED display modules, and control control card shows with LED
Module normal work.
Specifically, the correction data for being stored in control card is lost, the non-lost package of correction data stored in LED display modules
Include two kinds of situations：1) it is correct through verifying the correction data that is stored in control card, through compare the correction data stored in control card with
The correction data stored in LED modules is differed, but correct through verifying the correction data of storage in LED display modules；2) pass through
The correction data stored in verification control card is incorrect, and the correction data through verifying storage in LED display modules is correct.
Further, if the correction data that the second control module 802 is used to be stored in LED display modules is lost, control card
The correction data of middle storage is not lost, then the correction data that will be stored in control card is sent to LED display modules, controls control card
With LED display module normal works.
Specifically, through verifying the correction data stored in control card correctly, through comparing the correction data stored in control card
Differed with the correction data stored in LED display modules, but through verifying the correction data stored in LED display modules not just
Really, then judge that the correction data stored in LED display modules is lost, the correction data stored in control card is not lost.
Fig. 9 shows the structure chart of the first control module 801 provided in an embodiment of the present invention.For convenience of description, only show
The part related to the embodiment of the present invention is gone out, details are as follows：
First control module 801 includes the first correction verification module 901, the first comparing module 902, the second correction verification module 903, the
One determination module 904, first processing module 905.
First correction verification module 901 is used for when enabling signal is detected, and whether the correction data stored in verification control card
Correctly.
Specifically, when electrifying startup, detect enabling signal, start the correction data that is stored in access control card with it is pre-
If whether correction data is identical, if identical, the correction data stored in control card is correct, if it is not the same, then control card
The correction data of middle storage is incorrect.
Further, if the first comparing module 902 is used for the correction data stored in control card correctly, control card is compared
Whether the correction data of middle storage is identical with the correction data of storage in LED display modules；
Specifically, the correction data for being stored in verification control card is correct, then read the correction number stored in LED display modules
According to the correction data that will be stored in control card is compared with the correction data of storage in LED display modules, and comparison can be name
Title, version etc., specifically preset as desired.
Further, if the second correction verification module 903 is used to be deposited in the correction data of storage and LED display modules in control card
Whether the correction data of storage is differed, then correct verify the correction data stored in LED display modules.
Specifically, when the correction data stored in the correction data stored during comparison draws control card with LED display modules
Version is different, then start to verify whether the correction data stored in LED display modules is identical with default correction data, if phase
Together, then the correction data for being stored in LED display modules is correct, if it is not the same, the correction data for then being stored in LED display modules
It is incorrect.
Further, if the first determination module 904 is used for the correction data stored in LED display modules correctly, judge
The correction data stored in control card is lost, and the correction data stored in LED display modules is not lost.
Further, first processing module 905 is used to send the correction data in LED display modules to control card, control
Control card processed and LED display module normal works.
Figure 10 shows another structure chart of the first control module 801 provided in an embodiment of the present invention.For the ease of saying
It is bright, the part related to the embodiment of the present invention is illustrate only, details are as follows：
First control module 801 includes the 3rd correction verification module 1001, the 4th correction verification module 1002, the second determination module
1003rd, Second processing module 1004.
3rd correction verification module 1001 is used for when enabling signal is detected, and whether the correction data stored in verification control card
Correctly.
If the correction data that the 4th correction verification module 1002 is used to be stored in control card is incorrect, LED display modules are verified
Whether the correction data of middle storage is correct.
If the correction data that the second determination module 1003 is used to be stored in LED display modules is correct, in judgement control card
The correction data of storage is lost, and the correction data stored in LED display modules is not lost
Second processing module 1004 is used to send the correction data stored in LED display modules to control card, control control
Fabrication and LED display module normal works.
Figure 11 shows the structure chart of the second control module 802 provided in an embodiment of the present invention.For convenience of description, only show
The part related to the embodiment of the present invention is gone out, details are as follows：
Second control module 802 includes the 5th correction verification module 1101, the second comparing module 1102, the 6th correction verification module
1103rd, the 3rd determination module 1104, the 3rd processing module 1105.
5th correction verification module 1101 is used for when enabling signal is detected, and whether the correction data stored in verification control card
Correctly.
Further, if the second comparing module 1102 is used for the correction data stored in control card correctly, control is compared
Whether the correction data stored in card is identical with the correction data of storage in LED display modules.
Further, if the 6th correction verification module 1103 is used in the correction data and LED display modules stored in control card
Whether the correction data of storage is differed, then correct verify the correction data stored in LED display modules.
Further, if the 3rd determination module 1104 is incorrect for the correction data of storage in LED display modules, sentence
The correction data for determining to be stored in LED display modules is lost, and the correction data stored in control card is not lost.
Further, the correction data that the 3rd processing module 1105 is used to be stored in control card is sent to LED display moulds
Group, control control card and LED display module normal works.
Figure 12 shows the structure chart of the 3rd control unit 704 provided in an embodiment of the present invention.For convenience of description, only show
The part related to the embodiment of the present invention is gone out, details are as follows：
3rd control unit 704 includes the 7th correction verification module 1201, the 8th correction verification module 1202, the 4th determination module
1203rd, fourth processing module 1204.
7th correction verification module 1201 is used for when enabling signal is detected, and whether the correction data stored in verification control card
Correctly.
Further, if the 8th correction verification module 1202 is incorrect for the correction data of storage in control card, LED is verified
Whether the correction data stored in display module is correct.
Further, if the 4th determination module 1203 is incorrect for the correction data of storage in LED display modules, sentence
Determine control card to be lost with the correction data of storage in LED display modules.
Further, fourth processing module 1204 is used to send abnormal prompt information and closes calibration function, control control
Card and LED display module normal works.
In the embodiment of the present invention, the correction of control card and storage in LED display modules is judged respectively by judging unit 701
Whether data lose；If control card is not lost with the correction data of storage in LED display modules, the first control unit 702 is then
Control control card and LED display module normal works；If the correction of one of storage in both control card and LED display modules
Loss of data, the second control unit 703 is then corrected data duplication, control control between control card and LED display modules
Card and LED display module normal works；If control card is lost with the correction data of storage in LED display modules, the 3rd control
Unit 704 then sends abnormal prompt information and closes calibration function, controls control card and LED display module normal works.This hair
The bright situation that can be destroyed or lose for the correction data of control card or LED display module any objects carries out automatic extensive
It is multiple, to protect correction data, meanwhile, in the extreme case that both correction datas are all destroyed or lose, send abnormal prompt
Information, points out user to recover correction data as early as possible, and the accuracy of correction data is ensure that to greatest extent, improves operating efficiency
With Consumer's Experience.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (10)
1. a kind of guard method of LED display correction data, it is characterised in that the guard method includes：
Judge whether control card loses with the correction data of storage in LED display modules respectively；
If the correction data stored in the control card and the LED display modules is not lost, control the control card with
The LED display modules normal work；
If correction data of one of storage is lost in both the control card and described LED display modules, in the control
Data duplication is corrected between fabrication and the LED display modules, controls the control card normal with the LED display modules
Work；
If the control card is lost with the correction data of storage in the LED display modules, abnormal prompt information is sent simultaneously
Calibration function is closed, the control card and the LED display modules normal work is controlled.
2. guard method as claimed in claim 1, it is characterised in that if the control card and the LED display modules
The correction data of one of storage is lost in both, then be corrected between the control card and the LED display modules
Data duplication, controls the control card to include with the LED display modules normal work：
If the correction data stored in the control card is lost, the correction data stored in the LED display modules is not lost, then
The correction data stored in the LED display modules is sent to the control card, controls the control card to be shown with the LED
Module normal work；
If the correction data stored in the LED display modules is lost, the correction data stored in the control card is not lost, then
The correction data stored in the control card is sent to the LED display modules, controls the control card to be shown with the LED
Module normal work.
3. guard method as claimed in claim 2, it is characterised in that if the correction data stored in the control card is lost
Lose, the correction data stored in the LED display modules is not lost, then the correction data that will be stored in the LED display modules
Send to the control card, control the control card to include with the LED display modules normal work：
When enabling signal is detected, whether correct the correction data stored in the control card is verified；
If the correction data stored in the control card is incorrect, the correction data stored in the LED display modules is verified
It is whether correct；
If the correction data stored in the LED display modules is correct, judge that the correction data stored in the control card is lost
Lose, the correction data stored in the LED display modules is not lost；
The correction data stored in the LED display modules is sent to the control card, the control card and the LED is controlled
Display module normal work.
4. guard method as claimed in claim 2, it is characterised in that if the correction stored in the LED display modules
Loss of data, the correction data stored in the control card is not lost, then the correction data that will be stored in the control card sends
To the LED display modules, the control card is controlled to include with the LED display modules normal work：
When enabling signal is detected, whether correct the correction data stored in the control card is verified；
If the correction data stored in the control card is correct, compare the correction data that is stored in the control card with it is described
Whether the correction data stored in LED display modules is identical；
If the correction data stored in the control card is differed with the correction data of storage in the LED display modules, school
Whether correct test the correction data stored in the LED display modules；
If the correction data stored in the LED display modules is incorrect, the correction stored in the LED display modules is judged
Loss of data, the correction data stored in the control card is not lost；
The correction data stored in the control card is sent to the LED display modules, the control card and the LED is controlled
Display module normal work.
5. guard method as claimed in claim 1, it is characterised in that if the control card and the LED display modules
The correction data of middle storage is lost, then send and abnormal prompt information and close calibration function, control the control card with it is described
LED display module normal works include：
When enabling signal is detected, whether correct the correction data stored in the control card is verified；
If the correction data stored in the control card is incorrect, the correction data stored in the LED display modules is verified
It is whether correct；
If the correction data stored in the LED display modules is incorrect, judge the control card with the LED display modules
The correction data of middle storage is lost；
Send abnormal prompt information and close calibration function, control the control card and the LED display modules normal work.
6. a kind of protection device of LED display correction data, it is characterised in that the protection device includes：
Judging unit, for judging whether control card loses with the correction data of storage in LED display modules respectively；
First control unit, if not lost with the correction data of storage in the LED display modules for the control card,
The control card is controlled with the LED display modules normal work；
Second control unit, if for the correction number of one of storage in both the control card and described LED display modules
According to loss, then data duplication is corrected between the control card and the LED display modules, controls the control card and institute
State LED display module normal works；
3rd control unit, if being lost with the correction data of storage in the LED display modules for the control card, sends out
Send abnormal prompt information and close calibration function, control the control card and LED display module normal works.
7. protection device as claimed in claim 6, it is characterised in that second control unit includes：
First control module, if the correction data for being stored in the control card is lost, stores in the LED display modules
Correction data is not lost, then sent to the control card correction data stored in the LED display modules, controls the control
Fabrication and the LED display modules normal work；
Second control module, if the correction data for being stored in the LED display modules is lost, stores in the control card
Correction data is not lost, then sent to the LED display modules correction data stored in the control card, controls the control
Fabrication and the LED display modules normal work.
8. protection device as claimed in claim 7, it is characterised in that first control module also includes：
3rd correction verification module, for whether just when enabling signal is detected, verifying the correction data stored in the control card
Really；
4th correction verification module, if the correction data for being stored in the control card is incorrect, verifies the LED display modules
Whether the correction data of middle storage is correct；
Second determination module, if the correction data for being stored in the LED display modules is correct, in judging the control card
The correction data of storage is lost, and the correction data stored in the LED display modules is not lost；
Second processing module, for the correction data stored in the LED display modules to be sent to the control card, controls institute
Control card is stated with the LED display modules normal work.
9. protection device as claimed in claim 7, it is characterised in that second control module includes：
5th correction verification module, for whether just when enabling signal is detected, verifying the correction data stored in the control card
Really；
Second comparing module, if the correction data for being stored in the control card is correct, compares storage in the control card
Correction data and the LED display modules in the correction data that stores it is whether identical；
6th correction verification module, if for the school stored in the correction data and the LED display modules that are stored in the control card
Whether correction data is differed, then correct verify the correction data stored in the LED display modules；
3rd determination module, if the correction data for being stored in the LED display modules is incorrect, judges that the LED shows
Show that the correction data stored in module is lost, the correction data stored in the control card is not lost；
3rd processing module, for the correction data stored in the control card to be sent to the LED display modules, controls institute
Control card is stated with the LED display modules normal work.
10. protection device as claimed in claim 6, it is characterised in that the 3rd control unit includes：
7th correction verification module, for whether just when enabling signal is detected, verifying the correction data stored in the control card
Really；
8th correction verification module, if the correction data for being stored in the control card is incorrect, verifies the LED display modules
Whether the correction data of middle storage is correct；
4th determination module, if the correction data for being stored in the LED display modules is incorrect, judges the control card
Lost with the correction data stored in the LED display modules；
Fourth processing module, for sending abnormal prompt information and closing calibration function, controls the control card aobvious with the LED
Show module normal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209436.5A CN106920504B (en) | 2017-03-31 | 2017-03-31 | The guard method of LED display correction data and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209436.5A CN106920504B (en) | 2017-03-31 | 2017-03-31 | The guard method of LED display correction data and device |
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| Publication Number | Publication Date |
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| CN106920504A true CN106920504A (en) | 2017-07-04 |
| CN106920504B CN106920504B (en) | 2019-07-19 |
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| EP1790956A1 (en) * | 2005-11-25 | 2007-05-30 | Dresser Wayne Aktiebolag | Fuel dispensing assembly with volume flow sensor and backup memory for storing calibration data for correcting the flow signal |
| CN101206594A (en) * | 2006-12-19 | 2008-06-25 | 环达电脑(上海)有限公司 | Method for correcting touch screen |
| CN101217022A (en) * | 2008-01-04 | 2008-07-09 | 深圳市奥拓电子有限公司 | A LED display screen display calibration system and calibration method |
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|---|---|
| CN106920504B (en) | 2019-07-19 |
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