CN104346187A - Software upgrading method for video control card for display screen - Google Patents
Software upgrading method for video control card for display screen Download PDFInfo
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- CN104346187A CN104346187A CN201310341941.7A CN201310341941A CN104346187A CN 104346187 A CN104346187 A CN 104346187A CN 201310341941 A CN201310341941 A CN 201310341941A CN 104346187 A CN104346187 A CN 104346187A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007906 compression Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 11
- 238000012217 deletion Methods 0.000 claims description 9
- 230000037430 deletion Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The invention relates to a software upgrading method for a video control card for a display screen and mainly solves the problem that an existing asynchronous control card cannot be directly used for upgrading terminal software. The soft upgrading method provides convenience and high reliability for upgrading the terminal software of the asynchronous control card. The software upgrading method specifically comprises the following steps: (1) providing a prescribed route from a soft upgrading packet to a storing device of the video control card, wherein the software upgrading packet comprises an upgraded application program and an upgraded bootstrap program; (2) backuping the original upgrading bootstrap program on the storing device of the video control card to a backup route from the original route, and registering the original upgrading bootstrap program subjected to backup as a self-starting term; (3) restarting the video control card and detecting whether the prescribed route has a software upgrading packet or not, if yes, respectively replacing the application program to be upgraded on the storing device, and the original upgrading bootstrap program before backup with the upgrading application program and the upgrading bootstrap program in the software upgrading packet.
Description
Technical field
The present invention relates to a kind of method for upgrading software, particularly a kind of method for upgrading software of display screen video control card.
Background technology
Existing LED display control system can be distinguished into LED display synchronous control system and LED display asynchronous control system according to the difference of control mode.Wherein, LED display synchronous control system mainly comprises host computer and sending card usually, host computer is connected with LED display by sending card, therefore the content of LED display broadcasting is consistent with the content that host computer is play, and host computer is once shut down, and LED display cannot continue to play media..LED display asynchronous control system then mainly comprises asynchronous control-card, this asynchronous control-card incorporates the function of host computer in synchronous control system and sending card, can think that asynchronous control-card is the simplification version of the Function Integration Mechanism of host computer and sending card, therefore LED display is when playing media without the need to being connected to computing machine, reaches the object of LED display asynchronous play media.
Asynchronous control-card is embedded with terminal software usually, but existing asynchronous control-card can not direct upgrading terminals software.If desired upgrading terminals software, general way changes asynchronous control-card or upgrading embedded OS.In addition, due to can not terminal software in the asynchronous control-card of remote upgrade LED display, very big inconvenience can be brought to terminal software upgrading like this.
Summary of the invention
The invention provides a kind of method for upgrading software of display screen video control card, mainly solving existing asynchronous control-card can not the problem of direct upgrading terminals software, and this method for upgrading software is that the terminal software upgrading of asynchronous control-card provides convenient and safety.
Particularly, the method for upgrading software of a kind of display screen video control card provided by the invention, comprise the following steps: (1) provides software upgrade package to the specified path of the memory device of video control card, wherein software upgrade package comprises application program and the updated boot programs of upgrading; (2) the former updated boot programs on the memory device of video control card is backuped to backup path from original route, and the former updated boot programs after backup is registered as start self-starting item; And (3) video control card restarts and detects specified path whether there is software upgrade package, if software upgrade package detected, the former updated boot programs before the application program to be upgraded on the memory device of video control card and backup is replaced to respectively application program and the updated boot programs of the upgrading in software upgrade package.
In an embodiment of the present invention, the above-mentioned software upgrade package that provides such as comprises to the step of the specified path of the memory device of video control card: video control card receives software upgrade package with remote mode; Received described software upgrade package is stored in the specified path of the memory device of video control card.Further, the above-mentioned software upgrade package that provides also can comprise step to the specified path of the memory device of video control card: video control card receives the condition code of software upgrade package with remote mode; The condition code of the software upgrade package received by video control card calculates; And judge that whether the condition code calculated is consistent with the condition code received, to realize the verification of correctness of upgrade software bag.
In an embodiment of the present invention, when the software upgrade package that the above-mentioned software upgrade package received is compression and encryption, then provide software upgrade package also can comprise to the step of the specified path of the memory device of video control card: to be decrypted process to the software upgrade package of compression and encryption, to obtain the compressed software AKU after deciphering.
In an embodiment of the present invention, the step of above-mentioned application program and updated boot programs that former updated boot programs before application program to be upgraded on the memory device of video control card and backup is replaced to the upgrading in software upgrade package respectively such as comprises: the file deleting the former updated boot programs place before application program to be upgraded and backup; And utilize software upgrade package to generate the file of described deletion, to realize replacement operation.More specifically, the step utilizing software upgrade package to generate the file of described deletion can comprise: software upgrade package decompressed on the original route at the file place of described deletion, and give the folder name identical with the file of described deletion.
In an embodiment of the present invention, above-mentioned upgrade method also can comprise step: after completing replacement operation, and video control card starts the application program after upgrading automatically.
In an embodiment of the present invention, the quantity of video control card can be multiple, and be configured on different display screens respectively, described multiple video control card synchronously or one by one receives software upgrade package with remote mode.In addition, these display screens are such as be positioned at same LAN (Local Area Network) or wide area network.
In an embodiment of the present invention, above-mentioned video control card is such as be configured in LED display, and video control card stores plays media to realize the object of LED display asynchronous play media.
Compared with prior art, method for upgrading software of the present invention can comprise following advantage: method for upgrading software of the present invention solves the problem of asynchronous control-card terminal software scaling difficulty under complex environment, for the terminal software upgrading in asynchronous control-card provides convenient and high reliability, and greatly improve the success ratio of software upgrading.
By the detailed description below with reference to accompanying drawing, other side of the present invention and feature become obvious.But it should be known that this accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present invention, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the process flow diagram of the method for upgrading software of a kind of display screen video control card of the embodiment of the present invention.
The one upgrading hardware structure schematic diagram that Fig. 2 adopts for method for upgrading software shown in Fig. 1.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the embodiment of method for upgrading software of a kind of display screen video control card proposed according to the present invention, step, feature and effect, be described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can clearly present in following cooperation describes in detail with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Below in conjunction with Fig. 1 and Fig. 2, the method for upgrading software of a kind of display screen video control card of the embodiment of the present invention is described in detail.Particularly, for asynchronous control-card, as shown in Figure 1, the method for upgrading software of the display screen asynchronous control-card of the present embodiment mainly comprises step S110, step S130 and step S150, specifically describes as follows:
Step S110: provide software upgrade package to the specified path of the memory device of asynchronous control-card, wherein application program and the updated boot programs of upgrading drawn together by upgrade software handbag.Particularly, there is provided software upgrade package to asynchronous control-card can adopt the upgrading hardware structure shown in Fig. 2, in fig. 2, display screen 201-20n is configured with asynchronous control-card respectively, asynchronous control-card can store plays media to realize the object of described display screen asynchronous play media, and display screen 201-20n can be LED display; Broadcasting centre 10 is formed interconnected by the asynchronous control-card in network such as LAN (Local Area Network) or wide area network and multiple display screen 201-20n.It should be noted that, asynchronous control-card can be configured on display screen 201-20n affiliated separately, also can be provided separately with display screen 201-20n.
First, at broadcasting centre 10, packing is carried out to the application program of upgrading and updated boot programs and obtain software upgrade package; Then, the software upgrade package obtained packing carries out compression process; Be encrypted the software upgrade package after compression process more afterwards, concrete cipher mode can adopt the encryption-decryption algorithm such as existing encryption technology such as RC2, AES.At this, compression and the software upgrade package after encrypting will send to the asynchronous control-card on each display screen 201-20n for the use of software upgrading by network.
In addition, correctness verification can be carried out to the software upgrade package received after being stuck in the software upgrade package after receiving compression and encryption for ease of the asynchronous controlling on each display screen 201-20n, broadcasting centre 10 can generate the condition code of the software upgrade package after compression further, this kind of condition code is a kind of fingerprint based on file content, such as MD5 code.Wherein, MD5 code is message-digest algorithm5(md5-challenge) abbreviation, be widely used in encryption and decryption technical, it can be described as " digital finger-print " of file, any one file, is no matter the file of executable program, image file, temporary file or other any types, also no matter its volume is much, have and only have a unique MD5 code, and if this file was modified, its MD5 code also will change thereupon.Therefore this kind can be used as based on the condition code of file content and judge the integrality of file transfer and the foundation of correctness.
Then, after the compression that asynchronous control-card on each display screen 201-20n is provided by Network Capture broadcasting centre 10 and the software upgrade package of encryption and the condition code of software upgrade package, decryption processing is carried out to obtain compressed software AKU to after the software upgrade package of the compression received and encryption, calculate the condition code (or being referred to as fingerprint) of this compressed software AKU, and judge that whether the condition code calculated is consistent with the software upgrade package condition code received, if consistent, then represent that received software upgrade package is correct and complete software upgrade package.Compressed software AKU after this deciphering will be stored in the specified path on the memory device of asynchronous control-card, and memory device is herein such as flash memory, EEPROM etc.In addition, what deserves to be explained is, the asynchronous control-card on each display screen 201-20n can be the software upgrade package synchronously receiving described compression and encryption with remote mode, also can be the software upgrade package receiving described compression and encryption with remote mode one by one.
Step S130: the former updated boot programs on the memory device of asynchronous control-card is backuped to backup path from original route, and the former updated boot programs after backup is registered as start self-starting item.Particularly, after the asynchronous control-card of each display screen 201-20n is by network reception to correct software upgrade package, first the former updated boot programs on the memory device of asynchronous control-card can be backuped to other paths from original route, and the former updated boot programs backuped on other paths is registered as system boot self-starting item; At this, back up former updated boot programs to the object in other paths be because: in the software upgrade process of comparatively effective asynchronous control-card, usually application program to be upgraded is needed to unload, one of concrete way is deleted by the file at application program place to be upgraded, by the new file copy that comprises the application program of the upgrading original position to the file deleted, but application program is taken by some processes at some time, make the failure of original file erase, cause upgrading normally to carry out, cause and upgrade unsuccessfully; And former updated boot programs can be positioned under same file presss from both sides usually with application program to be upgraded; if be registered as system boot self-starting item after therefore former updated boot programs not being backuped to other positions again; then running due to former ROMPaq, causing the file for deleting to delete.As can be seen here, in the embodiment of the present invention former updated boot programs is backuped to other positions and the way former updated boot programs backuping to other positions being registered as start self-starting item can promote the success ratio of software upgrading greatly.
Step S150: asynchronous control-card restarts and detect above-mentioned specified path whether there is compressed software AKU, if software upgrade package detected, then the former updated boot programs before the application program to be upgraded on the memory device of asynchronous control-card and backup is replaced to respectively application program and the updated boot programs of the upgrading in software upgrade package.Particularly, after the former updated boot programs (the former updated boot programs after also namely backing up) backuping to other positions is registered as start self-starting item, asynchronous control-card restarts, run the former updated boot programs after backup, and whether the above-mentioned specified path detecting asynchronous control-card exists the compressed software AKU received, if this compressed software AKU detected, then delete the file at the former updated boot programs place before application program to be upgraded and backup, and this compressed software AKU that decompresses is to generate the file of this deletion, realize the replacement of folder content.At this, when decompressing to compressed software AKU, the position of decompression and the Folder Name after decompressing are respectively the deleted original route at file place and the title of the file deleted.So far, then the replacement to application program to be upgraded and former updated boot programs of the application program of upgrading and updated boot programs is completed.
Finally, after completing above-mentioned replacing it, asynchronous control-card can start the application program after upgrading automatically, and starting success or not can differentiate as user the foundation whether upgraded successfully.As for the updated boot programs replacing former updated boot programs, then as the use of carrying out software upgrading later.
What deserves to be explained is, the above embodiment of the present invention in long-range mode, asynchronous control-card is carried out to the upgrading of terminal software, but the present invention is not as limit, also by movable storage device, such as USB flash disk provides compressed software AKU to the asynchronous control-card of display screen 201-20n in the mode of direct copying, it can reach the object of terminal software upgrading equally, and just upgrading efficiency is in a slight decrease.
As from the foregoing, compared with prior art, the method for upgrading software of display screen video control card provided by the invention is one or more at least can having the following advantages:
(1) in the software upgrade process of comparatively effective asynchronous control-card, usually application program to be upgraded is needed to unload, one of concrete way is deleted by the file at application program place to be upgraded, by the new file copy that comprises the application program of the upgrading original position to the file deleted, but application program is taken by some processes at some time, make the failure of original file erase, cause upgrading normally to carry out, cause and upgrade unsuccessfully.And the way of the former updated boot programs of this backup of the present invention just in time can overcome this kind of defect, thus promote the success ratio of software upgrading.
(2) by software upgrade package remote transmission in the process of asynchronous control-card, file in some cases possibly cannot correctly transmit, and also can cause upgrading unsuccessfully.And the present invention adopts condition code to carry out correctness and completeness check, verification software AKU whether correctly can transmit or transmit complete, thus the success ratio of software upgrading can be promoted.
Apply specific case herein to set forth the principle of the method for upgrading software of display screen video control card of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (10)
1. a method for upgrading software for display screen video control card, is characterized in that, described method for upgrading software comprises step:
There is provided software upgrade package to the specified path of the memory device of described video control card, described software upgrade package comprises application program and the updated boot programs of upgrading;
Former updated boot programs on the memory device of described video control card is backuped to backup path from original route, and the former updated boot programs after backup is registered as start self-starting item; And
Described video control card restarts and detects described specified path whether there is described software upgrade package, if described software upgrade package detected, the former updated boot programs before the application program to be upgraded on the described memory device of described video control card and backup is replaced to respectively application program and the updated boot programs of the upgrading in described software upgrade package.
2. method for upgrading software as claimed in claim 1, is characterized in that, described in provide software upgrade package to comprise to the step of the specified path of the memory device of described video control card:
Described video control card receives described software upgrade package with remote mode; And
Received described software upgrade package is stored in the specified path of described memory device.
3. method for upgrading software as claimed in claim 2, is characterized in that, described in provide software upgrade package also to comprise to the step of the specified path of the memory device of described video control card:
Described video control card receives the condition code of described software upgrade package with remote mode;
The condition code of the described software upgrade package received by described video control card calculates; And
Judge that whether the condition code calculated is consistent with the condition code received.
4. method for upgrading software as claimed in claim 1, it is characterized in that, when the software upgrade package that the described software upgrade package received is compression and encryption, described in provide software upgrade package also to comprise to the step of specified path of the memory device of described video control card:
Process is decrypted to the software upgrade package of described compression and encryption, to obtain the compressed software AKU after deciphering.
5. method for upgrading software as claimed in claim 1, it is characterized in that, the step of described application program and updated boot programs that former updated boot programs before application program to be upgraded on the described memory device of described video control card and backup is replaced to the upgrading in described software upgrade package respectively comprises:
Delete the file at the former updated boot programs place before described application program to be upgraded and backup; And
Described software upgrade package is utilized to generate the file of described deletion, to realize described replacement operation.
6. method for upgrading software as claimed in claim 5, it is characterized in that, the described step utilizing described software upgrade package to generate the file of described deletion comprises:
Described software upgrade package is decompressed on the original route at the file place of described deletion, and give the folder name identical with the file of described deletion.
7. method for upgrading software as claimed in claim 1, it is characterized in that, described upgrade method also comprises step:
After completing described replacement operation, described video control card starts the application program after described upgrading automatically.
8. method for upgrading software as claimed in claim 2, it is characterized in that, the quantity of described video control card is multiple, is configured on different display screens respectively, and described multiple video control card synchronously or one by one receives described software upgrade package with remote mode.
9. method for upgrading software as claimed in claim 8, it is characterized in that, described display location is in same LAN (Local Area Network) or wide area network.
10. method for upgrading software as claimed in claim 1, it is characterized in that, described video control card is configured in LED display, and described video control card stores plays media to realize the object of described LED display asynchronous play media.
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