CN103345434B - The data back up method of a kind of display device and device - Google Patents
The data back up method of a kind of display device and device Download PDFInfo
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- CN103345434B CN103345434B CN201310259878.2A CN201310259878A CN103345434B CN 103345434 B CN103345434 B CN 103345434B CN 201310259878 A CN201310259878 A CN 201310259878A CN 103345434 B CN103345434 B CN 103345434B
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
Abstract
The present invention provides the data back up method of a kind of display device, including: memory module is divided into the first data storage areas and the second data storage areas; Parameter sets at described first data storage areas storage display device; In described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets. The present invention provides data back up method and the device of a kind of display device, it is not necessary to whole parameters of backup storage display device, dramatically saves on the hardware resource of display device.
Description
Technical field
The present invention relates to display device and data backup restoration field, particularly relates to the data back up method of a kind of display device and the data backup device of a kind of display device.
Background technology
When producing, transporting and use display device, due to reasons such as electrostatic influence or artificial maloperations, causing that the display device parameter data that the storage device in display device stores are damaged, described display device parameter data refer to display system data. Supplemental characteristic in flash storage is once damaged, and display device just cannot normal operation. Causing the root of this problem is not being backed-up important parameter in traditional display device.
Prior art is the systems soft ware entirety of display device be backed-up for the backup method of display device parameter data. But the hardware resources such as the processor of display device and memorizer are limited, and the hardware resource of display device is proposed higher requirement by said method undoubtedly.
Summary of the invention
The present invention provides the data back up method of a kind of display device and the data backup device of a kind of display device, during to solve in prior art for display device parameter data backup restoration, takies the problem that display device hardware resource is many.
Technical scheme is as follows:
The present invention provides the data back up method of a kind of display device, including:
Memory module is divided into the first data storage areas and the second data storage areas;
Parameter sets at described first data storage areas storage display device;
In described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets.
Further, data back up method of the present invention, described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
Further, data back up method of the present invention, after described second data storage areas storage backup parameter, described data back up method also includes:
Read the parameter in the described parameter sets of described first data storage areas storage;
Judge that treating in described parameter sets judges that parameter is whether abnormal, described in treat to judge the backup parameter that parameter corresponds in the second data storage areas;
When, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
Further, data back up method of the present invention, it is judged that treating in described parameter sets judges whether abnormal step specifically includes parameter:
It is that treating in the parameter sets of the first data storage areas storage judges that parameter arranges the first check bit;
For described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
When described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
Further, data back up method of the present invention, described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data back up method also includes:
When to described data stored by flash memory, described write-protect pin is opened; When not to described data stored by flash memory, described write-protect pin is turned off.
Correspondingly, the present invention also provides for the data backup device of a kind of display device, including:
First data memory module, for the parameter sets at described first data storage areas storage display device;
Second data memory module, in described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets.
Further, data backup device of the present invention, described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
Further, data backup device of the present invention, described data backup device also includes:
First data read module, for reading the parameter in the described parameter sets that described first data storage areas stores;
Abnormal parameters judge module, for judging that treating in described parameter sets judges that parameter is whether abnormal, described in wait to judge the backup parameter that parameter corresponds in the second data storage areas;
Second data read module, for when, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
Further, data backup device of the present invention, described abnormal parameters judge module includes:
First check bit arranges module, for be first data storage areas storage parameter sets in wait judge that parameter arranges the first check bit;
Second check bit arranges module, for for described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
Check bit comparison module, for when described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
Further, data backup device of the present invention, described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data backup device also includes:
Hardware protection module, when to described data stored by flash memory, for opening described write-protect pin; When not to described data stored by flash memory, for described write-protect pin is turned off.
The present invention provides the data back up method of a kind of display device and the data backup device of a kind of display device, by arranging the data storage areas of two, the parameter sets of display device is stored at a data storage areas, in another memory area storage backup parameter, backup parameter is a part for parameter sets, whole parameters of storage display device need not be backed up, thus dramatically saves on the hardware resource of display device.
Accompanying drawing explanation
Fig. 1 is the flow chart of the data back up method of the embodiment of the present invention;
Fig. 2 is the Data Recovery Process schematic diagram in the data back up method of the embodiment of the present invention;
The exception that Fig. 3 is the data back up method of the embodiment of the present invention judges schematic flow sheet;
Fig. 4 is the structural representation of the data backup device of the embodiment of the present invention.
Detailed description of the invention
In order to be more fully understood that the present invention, below in conjunction with accompanying drawing, the invention will be further described with detailed description of the invention.
First embodiment of the invention provides the data back up method of a kind of display device, and Fig. 1 is the flow chart of the data back up method of the embodiment of the present invention, as it is shown in figure 1, described data back up method includes:
Step S1, is divided into the first data storage areas and the second data storage areas by memory module;
Step S2, in the parameter sets of described first data storage areas storage display device;
Step S3, in described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets.
Specifically, the data back up method described in the embodiment of the present invention, described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
Wherein, described analog digital conversion parameter includes: RGB analog digital conversion gain data (RGBADCGain), RGB analog digital conversion offset data (RGBADCOffset).
Such as, the parameter sets of described first data storage areas storage includes: parameter and the display system data such as contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters; Then include in the backup parameter of described second data storage areas storage: the parameter such as contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters; The backup parameter of the second data storage areas is a part for the parameter sets of the first data storage areas. In display device parameter set, except the parameter corresponding with backup parameter, also include display system data. And the second data storage areas only stores the important backup parameters such as contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters, the hardware resource of display device therefore can be saved.
After described second data storage areas backup parameter, described second data storage areas is set for revising, it is to avoid illegal operation or be subject to external action by described backup parameter modification. At the first data storage areas partition holding protocol, partition scheme is for carrying out write-protect to the data of the first data storage areas and the second data storage areas.
Alternatively, data back up method described in the embodiment of the present invention, Fig. 2 is the Data Recovery Process schematic diagram in the data back up method of the embodiment of the present invention, as shown in Figure 2, after described second data storage areas storage backup parameter, described data back up method also includes:
Step S4, reads the parameter in the described parameter sets of described first data storage areas storage;
Step S5, it is judged that treating in described parameter sets judges that parameter is whether abnormal, described in treat to judge the backup parameter that parameter corresponds in the second data storage areas;
Step S6, when, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
After display device receives enabled instruction, display device is initialized; Initialized object include following at least one: interrupt module, serial port module, input/output interface, timer;
Then display device reads the parameter in the parameter sets of described first data storage areas storage; Described parameter includes: parameter and the display system data such as contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters;
When any one parameter in described contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters occurs abnormal, read the correspondence backup parameter of described second data storage areas storage; Described backup parameter includes contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters; Such as, when the contrast number of degrees parameter in display device parameter set occurs abnormal, read the contrast number of degrees parameter in the backup parameter of the second data storage areas storage;
Setting value in the menu of display device and display product data channel command interface (DDCCI, DisplayDataChannelCommandInterface) are initialized;
Complete the startup of display device.
By above technical scheme, first data storage areas storage parameter sets in until judge parameter read exception time, described display device reads the backup parameter of the second data storage areas, so can normal operation, wherein wait to judge that parameter refers to the parameter corresponding with backing up parameter; Further, in time judging abnormal parameters, owing to only reading the single backup parameter of the second data storage areas, rather than whole supplemental characteristics being read out, the data volume therefore transmitted is little, the saving time, ensure that the real-time that data are recovered.
Specifically, the data back up method described in the embodiment of the present invention, the exception that Fig. 3 is the data back up method of the embodiment of the present invention judges schematic flow sheet, as shown in Figure 3, it is judged that treating in described parameter sets judges whether abnormal step specifically includes parameter:
Step S501, is that treating in the parameter sets of the first data storage areas storage judges that parameter arranges the first check bit;
Step S502, for described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
Step S503, when described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
Described check bit is that all bite positions of display device parameter data are carried out and calculated, the position of check bit is after the storage address of display device parameter, namely the first check bit is after waiting to judge the storage address of parameter, and the second check bit is after corresponding to the storage address waiting to judge the backup parameter of parameter;
Such as, the contrast number of degrees parameter in display device parameter set (waiting to judge parameter) being arranged the first check bit, carried out whole bite positions of binary storage data of contrast number of degrees parameter binary with calculating, result of calculation is exactly the first check bit. In like manner, it is possible to obtain the backup parameter of the second data storage areas contrasts the second check bit of number of degrees parameter. When reading contrast number of degrees parameter from the first data storage areas, when the first check bit finding described contrast number of degrees parameter is different from the second check bit, then think that the contrast number of degrees parameter of the first data storage areas occurs abnormal, then read the contrast number of degrees parameter of backup from the second data storage areas.
When display device starts every time, first judge that whether the check bit of the first data storage areas is correct. If correct, continue executing with initialization; If check bit is incorrect, then the backup parameter reading the second data storage areas backup performs initialization again, makes display device normally to use.
Alternatively, the data back up method described in the embodiment of the present invention, described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data back up method also includes:
When to described data stored by flash memory, described write-protect pin is opened; When not to described data stored by flash memory, described write-protect pin is turned off.
The unlatching of write-protect pin refers to and the voltage quasi position of write-protect pin is set to low level, and write-protect pin turns off and refers to that the voltage quasi position by described write-protect pin is set to high levle;
Or,
The unlatching of write-protect pin refers to and the voltage quasi position of write-protect pin is set to high levle, and write-protect pin turns off and refers to that the voltage quasi position by described write-protect pin is set to low level.
Concrete write-protect pin is opened and is referred to that the voltage quasi position of write-protect pin is set to low level is also set to high levle, will be configured according to chip concrete condition.
Such as, the memory module carrying out subregion setting is flash memory (flash storage), by microprocessor (MCU, or the universal input of calibrater (Scaler)/output interface (GPIO MicroprocessorControlUnit), GeneralPurposeInputOutput) the write-protect pin (WP of flash memory is connected, WriteProtect), when to described data stored by flash memory, the voltage quasi position of described write-protect pin is set to low level; When not to described data stored by flash memory, the voltage quasi position of described write-protect pin is set to high levle, it is prevented that data are write flash memory by mistake, flash memory is carried out hardware protection.
Correspondingly, second embodiment of the invention also provides for the data backup device of a kind of display device, and Fig. 4 is the structural representation of the data backup device of the embodiment of the present invention, and as shown in Figure 4, described data backup device 1 includes:
First data memory module 101, for the parameter sets at described first data storage areas storage display device;
Second data memory module 102, in described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets.
Specifically, the data backup device described in the embodiment of the present invention, described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
Alternatively, the data backup device described in the embodiment of the present invention, also include:
First data read module 103, for reading the parameter in the described parameter sets that described first data storage areas stores;
Abnormal parameters judge module 104, for judging that treating in described parameter sets judges that parameter is whether abnormal, described in wait to judge the backup parameter that parameter corresponds in the second data storage areas;
Second data read module 105, for when, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
Specifically, the data backup device described in the embodiment of the present invention, described abnormal parameters judge module 104 includes:
First check bit arranges module 1041, for be first data storage areas storage parameter sets in wait judge that parameter arranges the first check bit;
Second check bit arranges module 1042, for for described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
Check bit comparison module 1043, for when described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
Alternatively, the data backup device described in the embodiment of the present invention, described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data backup device also includes:
Hardware protection module 106, when to described data stored by flash memory, for opening described write-protect pin; When not to described data stored by flash memory, for described write-protect pin is turned off.
Data backup device described in second embodiment of the invention, is the enforcement device of data back up method described in first embodiment of the invention, and its concrete principle is identical with the data back up method described in first embodiment, therefore repeats no more.
These are only the preferred embodiments of the present invention; certainly; the present invention can also have other various embodiments; when without departing substantially from present invention spirit and essence thereof; those of ordinary skill in the art are when can make various corresponding change and deformation according to the present invention, but these change accordingly and deformation all should belong to the scope of the claims appended by the present invention.
Claims (8)
1. the data back up method of a display device, it is characterised in that including:
Memory module is divided into the first data storage areas and the second data storage areas;
Parameter sets at described first data storage areas storage display device;
In described second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets;
Wherein, the backup parameter of the second data storage areas is a part for the parameter sets of the first data storage areas;
Wherein, after described second data storage areas storage backup parameter, described data back up method also includes:
After display device receives enabled instruction, read the parameter in the described parameter sets of described first data storage areas storage;
Judge that treating in described parameter sets judges that parameter is whether abnormal, described in treat to judge the backup parameter that parameter corresponds in the second data storage areas;
When, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
2. data back up method as claimed in claim 1, it is characterised in that described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
3. data back up method as claimed in claim 1, it is characterised in that judge that treating in described parameter sets judges whether abnormal step specifically includes parameter:
It is that treating in the parameter sets of the first data storage areas storage judges that parameter arranges the first check bit;
For described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
When described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
4. data back up method as claimed in claim 1, it is characterised in that described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data back up method also includes:
When to described data stored by flash memory, described write-protect pin is opened; When not to described data stored by flash memory, described write-protect pin is turned off.
5. the data backup device of a display device, it is characterised in that including:
First data memory module, for storing the parameter sets of display device at the first data storage areas;
Second data memory module, in the second data storage areas storage backup parameter, described backup parameter belongs to described parameter sets;
Wherein, the backup parameter of the second data storage areas is a part for the parameter sets of the first data storage areas;
Wherein, described data backup device also includes:
First data read module, for, after display device receives enabled instruction, reading the parameter in the described parameter sets of described first data storage areas storage;
Abnormal parameters judge module, for judging that treating in described parameter sets judges that parameter is whether abnormal, described in wait to judge the backup parameter that parameter corresponds in the second data storage areas;
Second data read module, for when, in time judging abnormal parameters, reading the correspondence backup parameter of described second data storage areas.
6. data backup device as claimed in claim 5, it is characterised in that described backup parameter include following at least one: contrast number of degrees parameter, luminance parameter, screen ginseng parameter, analog digital conversion parameter, color temperature parameters.
7. data backup device as claimed in claim 5, it is characterised in that described abnormal parameters judge module includes:
First check bit arranges module, for be first data storage areas storage parameter sets in wait judge that parameter arranges the first check bit;
Second check bit arranges module, for for described second data storage areas storage and wait to judge that the backup parameter of parameter arranges the second check bit described in corresponding to;
Check bit comparison module, for when described first check bit is different from the second check bit, it is judged that described in wait to judge that parameter is abnormal, and send abnormal parameters instruction.
8. data backup device as claimed in claim 5, it is characterised in that described memory module includes flash memory, and described flash memory is provided with write-protect pin, and described data backup device also includes:
Hardware protection module, when to described data stored by flash memory, for opening described write-protect pin; When not to described data stored by flash memory, for described write-protect pin is turned off.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310259878.2A CN103345434B (en) | 2013-06-26 | 2013-06-26 | The data back up method of a kind of display device and device |
| PCT/CN2013/087529 WO2014205991A1 (en) | 2013-06-26 | 2013-11-20 | Data backup method and apparatus for display apparatus |
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| CN201310259878.2A CN103345434B (en) | 2013-06-26 | 2013-06-26 | The data back up method of a kind of display device and device |
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| CN103345434B true CN103345434B (en) | 2016-06-15 |
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| CN103345434B (en) * | 2013-06-26 | 2016-06-15 | 京东方科技集团股份有限公司 | The data back up method of a kind of display device and device |
| CN105630465B (en) * | 2014-10-29 | 2020-03-24 | Tcl商用信息科技（惠州）股份有限公司 | Display screen parameter setting method applied to terminal and terminal |
| CN105426264B (en) * | 2015-11-02 | 2018-02-23 | 中国民航大学 | A kind of Distributed Integration modularization avionics system reconstruction parameter selects system and method |
| CN105808390A (en) * | 2016-04-29 | 2016-07-27 | 合肥美的电冰箱有限公司 | Home appliance information self-checking and self-recovery method and system and home appliances |
| CN110719341B (en) * | 2018-07-12 | 2023-05-12 | 中兴通讯股份有限公司 | Data processing method and device, DHCP server and storage medium |
| CN109388345B (en) * | 2018-09-30 | 2022-04-01 | 重庆惠科金渝光电科技有限公司 | Data reading method of memory, display device and computer readable storage medium |
| CN109448256B (en) * | 2018-11-30 | 2021-05-11 | 宁波三星智能电气有限公司 | Method for activating a reserve rate of an electrical consumer |
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| US7995075B2 (en) * | 2006-03-02 | 2011-08-09 | Mediatek Inc. | Display data extraction methods, devices and computer systems utilizing the same |
| KR20080015625A (en) * | 2006-08-16 | 2008-02-20 | 삼성전자주식회사 | Electronics device and control method thereof |
| CN101950248A (en) * | 2010-10-12 | 2011-01-19 | 冠捷显示科技（厦门）有限公司 | Method for improving display software data storage structure and structure thereof |
| CN101950264B (en) * | 2010-10-28 | 2012-12-26 | 冠捷显示科技（厦门）有限公司 | Method for recovering display data by shortcut key |
| CN102572330A (en) * | 2010-12-29 | 2012-07-11 | 厦门华侨电子股份有限公司 | Method for reading, writing and erasing data of liquid crystal television Flash chip |
| CN103345434B (en) * | 2013-06-26 | 2016-06-15 | 京东方科技集团股份有限公司 | The data back up method of a kind of display device and device |
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