CN109918108A - A kind of embedded equipment plug-in upgrade method and device - Google Patents
A kind of embedded equipment plug-in upgrade method and device Download PDFInfo
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Abstract
The present invention discloses a kind of embedded equipment plug-in upgrade method and device, and method includes: Step 1: forming upgrade file block；Step 2: adding sequence number to upgrade file block；Step 3: being transferred to step 5 after all upgrade file block end of transmissions to embedded equipment transmission upgrade file block according to sequence number, if there is network interruption, step 4 is transferred to after network recovery；Step 4: continuing the transmission of upgrade file block according to sequence number；Step 5: upgrade file block is spliced into upgrade file according to sequence number, and embedded equipment plug-in is upgraded；Step 6: testing the plug-in after upgrading, if the plug-in after upgrading can normally start and embedded equipment connects upper main website, upgrade successfully, if the plug-in after upgrading cannot normally start, the plug-in before restoring upgrading.It invention can be widely used in the embedded equipment with remote communicating function of no operating system.
Description
Technical field
The present invention relates to a kind of embedded equipment plug-in upgrade method and devices.
Background technique
Embedded equipment refers to realize certain special function (real-time control, monitoring, management, mobile computing, data processing
Deng) the device being made of software and hardware.General embedded equipment hardware include microprocessor, programmable gate permutation, memory,
A series of microelectronic chips such as sensor and device.Software includes micro operation system, control application software.Embedded equipment is wide
It is general to apply in industry and civil field.
For the ease of safeguarding embedded equipment, need embedded equipment that there is the function that can reliably carry out remote software upgrade
Energy.Currently, partially embedded device uses the agreements transmitting software files such as ftp or ssh.But some embedded equipments do not operate
System can not carry out reliable software upgrading using traditional means.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of embedded equipment plug-in upgrading sides
Method and device, to solve the above problems.
The present invention is achieved by the following technical solutions:
A kind of embedded equipment plug-in upgrade method, comprising:
Step 1: carrying out piecemeal to upgrade file, upgrade file block is formed；
Step 2: adding sequence number to the upgrade file block according to sequence；
Step 3: transmitting upgrade file block to embedded equipment according to the sequence number, transmitted to all upgrade file blocks
After, it is transferred to step 5；If there is network interruption in the transmission process of upgrade file block, step is transferred to after network recovery
Rapid four；
Step 4: continuing the transmission of upgrade file block according to the sequence number；
Step 5: the upgrade file block is spliced into upgrade file according to the sequence number, and to the embedded dress
Plug-in is set to be upgraded；
Step 6: test the plug-in after upgrading, if the plug-in after upgrading can start and embedded
Device connects upper main website, then upgrades successfully, if embedded equipment cannot connect after the plug-in after upgrading cannot start or start
Main website is met, then the plug-in before restoring upgrading.
A kind of embedded equipment plug-in update device, comprising:
File declustering module, the file declustering module are used to carry out piecemeal to upgrade file, form upgrade file block, and
Sequence number is added to the upgrade file block according to sequence；
Document transmission module, the document transmission module are connected with the file declustering module, for according to the sequence
Number upgrade file block is transmitted to embedded equipment, and after there is network interruption in upgrade file block transmission process, resumes upgrading
Blocks of files；
Upgraded module, the upgraded module are connected with the document transmission module, for receiving the upgrade file block, according to
The upgrade file block is spliced into upgrade file according to the sequence number, and the embedded equipment plug-in is risen
Grade；
Upgrade file correction verification module, the upgrade file correction verification module are connected with the upgraded module, after to upgrading
Plug-in tested, if upgrading after plug-in can start and connect main website, upgrade successfully, if upgrading after
Plug-in cannot start or start after cannot connect main website, then restore upgrading before plug-in.
Embedded equipment plug-in upgrade method disclosed by the invention and device, can be realized breakpoint transmission and upgrading is wrong
The accidentally functions such as recovery, can be widely used for the embedded equipment with remote communicating function of no operating system.With efficiency of transmission
High, high reliablity and perfect error correction, for some pairs of higher occasions of telecommunication reliability requirement (such as unmanned value
Keep station, high-tension line etc.) there is good application value.
Detailed description of the invention
Fig. 1 is a kind of embedded equipment plug-in upgrade method flow chart disclosed by the embodiments of the present invention；
Fig. 2 is a kind of embedded equipment plug-in update device schematic diagram disclosed by the embodiments of the present invention.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
The embodiment of the invention discloses a kind of embedded equipment plug-in upgrade methods, as shown in Figure 1, comprising:
Step 1: carrying out piecemeal to upgrade file, upgrade file block is formed.
Wherein, the process for upgrade file block being formed in the step 1 includes two methods.The first, the step 1,
Include: that piecemeal is carried out to the upgrade file as unit of the first fixed byte, forms upgrade file block.
Second, the step 1, comprising:
Piecemeal is carried out to the upgrade file as unit of the second fixed byte, obtains upgrade file just block；
Block at the beginning of the upgrade file is compressed, and the size of block compressed package at the beginning of upgrade file and journal are being pressed
In contracting procedure index；
Block compressed package at the beginning of upgrade file is connected together, then carries out piecemeal as unit of third fixed byte, forms upgrading
Blocks of files.
It should be noted that first fixed byte and third fixed byte are preferably 1024 bytes, described second is solid
Byte is determined to determine according to specific requirement.But first fixed byte, the second fixed byte and third fixed byte it is big
It is small to be not limited to that, it as the case may be or can also require to choose other different numerical value, such as 2048 bytes, 3072 words
Section etc., does not do limit one by one herein.
Step 2: adding sequence number to the upgrade file block according to sequence.
Step 3: transmitting upgrade file block to embedded equipment according to the sequence number, transmitted to all upgrade file blocks
After, it is transferred to step 5；If there is network interruption in the transmission process of upgrade file block, step is transferred to after network recovery
Rapid four.
Step 4: continuing the transmission of upgrade file block according to the sequence number.Wherein, the step 4 is specific to wrap
It includes:
Inquire the version number of current upgrade file, the sequence number N of upgraded version number and last transmission upgrade file block；
Select the version number of same upgrade file, the upgrade file block of Serial No. N+1 under upgraded version number continue to
The embedded equipment is transmitted, until the upgrade file block of the last one sequence number is transmitted to the embedded equipment.
If, can be by the sequence number of upgrade file block when voltage is lower since cell voltage deficiency leads to device power down
It is stored in eeprom memory, realizes the breakpoint transmission function re-powered after power down.
Step 5: the upgrade file block is spliced into upgrade file according to the sequence number, and to the embedded dress
Plug-in is set to be upgraded.
Wherein, when forming upgrade file block method using the first, the step 5, comprising:
The embedded equipment receives upgrade command, wherein the upgrade command is that main website is all sent out in upgrade file block
It is issued after the completion of sending；
The upgrade file block is spliced into upgrade file according to the sequence number；
The upgrade file is verified, if the upgrade file is correct, the embedded equipment resets；
After embedded equipment reset, the new file after startup program searches whether upgrading, if so, then holding
The new file routine of row.
When using second of formation upgrade file block method, the step 5, comprising:
The embedded equipment receives upgrade command, wherein the upgrade command is that main website is all sent out in upgrade file block
It is issued after the completion of sending；
Block compressed package at the beginning of the upgrade file block is parsed upgrade file according to the sequence number；
The upgrade file block compressed package is decompressed, obtains upgrade file just block, and store and arrive predeterminated position.If gone out
Incomplete upgrade file just block compressed package situation is now received, then is delayed block compressed package at the beginning of the part upgrade file received
It deposits, after waiting the first block compressed package of subsequent upgrade file to finish receiving, then unzips it operation；
It is indexed according to the condensing routine and block at the beginning of the upgrade file is spliced into upgrade file；
The upgrade file is verified, if the upgrade file is correct, the embedded equipment resets；
After embedded equipment reset, the new file after startup program searches whether upgrading, if so, then holding
The new file routine of row.
Step 6: test the plug-in after upgrading, if the plug-in after upgrading can normally start and embedding
Enter formula device and connect upper main website, then upgrades successfully, it is interior before restoring upgrading if the plug-in after upgrading cannot normally start
Set program.
Wherein, the plug-in after the upgrading normally start refer to starting and do not run it is winged, or only connection main website
The application that parameter can be modified, which can start and not run, to fly and can connect main website.In the present embodiment, the test of the step 6
To assist to realize by the startup program of embedded equipment, i.e., startup program according to after upgrading new procedures execute after situation,
Decide whether to restore old program.Running mark for the first time and for the first time connection mark can be generated in new file after upgrading.If new
Program can normally start, then running mark can be removed for the first time, if new procedures cannot normally start, running mark is not for the first time
It can be removed.
In the application for not needing connection main website, only need to can decide whether to restore according to the presence or absence of running mark for the first time
Plug-in before upgrading.That is, if still having running mark for the first time after test, the plug-in before restoring upgrading；If examination
Afterwards without running mark for the first time, then new procedures are run, does not need to restore the plug-in before upgrading.
The application of parameter could be modified in only connection main website, it is necessary to be connected according to running mark for the first time and for the first time
Mark come decide whether restore upgrading before plug-in.At this point, if new procedures can normally start, but new procedures are at 3 points
Main website success cannot be connected within clock, illustrates that new procedures may have modified the Connecting quantity of main website, this represents device may be with
Eternal lost contact afterwards can not connect main website, therefore in this case also it is necessary to restore old program, and connecting mark for the first time will not be clear
It removes.That is, if still having running mark for the first time or for the first time connection mark after test, the plug-in before restoring upgrading；If examination
Afterwards without connection mark for the first time, then new procedures are run, does not need to restore the plug-in before upgrading.
Embedded equipment plug-in upgrade method disclosed by the embodiments of the present invention and device, can be realized breakpoint transmission and
The functions such as staging error recovery, can be widely used for the embedded equipment with remote communicating function of no operating system.With biography
Defeated high-efficient, high reliablity and perfect error correction, for some pairs of higher occasions of telecommunication reliability requirement (such as
Unattended station, high-tension line etc.) there is good application value.
The embodiment of the invention also discloses a kind of embedded equipment plug-in update devices, as shown in Figure 2, comprising:
File declustering module, the file declustering module are used to carry out piecemeal to upgrade file, form upgrade file block, and
Sequence number is added to the upgrade file block according to sequence；
Document transmission module, the document transmission module are connected with the file declustering module, for according to the sequence
Number upgrade file block is transmitted to embedded equipment, and after there is network interruption in upgrade file block transmission process, resumes upgrading
Blocks of files；
Upgraded module, the upgraded module are connected with the document transmission module, for receiving the upgrade file block, according to
The upgrade file block is spliced into upgrade file according to the sequence number, and the embedded equipment plug-in is risen
Grade；
Upgrade file correction verification module, the upgrade file correction verification module are connected with the upgraded module, after to upgrading
Plug-in tested, if the plug-in after upgrading can normally start and embedded equipment connects upper main website, rise
Grade success, if the plug-in after upgrading cannot normally start, the plug-in before restoring upgrading.
Wherein, the document transmission module, comprising:
Master station communication unit, the master station communication unit is for sending the upgrade file block；
Send control unit, version number, the upgraded version number for sending control unit and being used to inquire current upgrade file
With the sequence number N of last transmission upgrade file block, break reply again after in a network, selectes the version number of same upgrade file, rises
The upgrade file block of Serial No. N+1 under grade version number, by the control master station communication unit to the embedded equipment
It is transmitted, until the upgrade file block of the last one sequence number is transmitted to the embedded equipment；
Embedded equipment communication unit, the embedded equipment communication unit is for receiving the upgrade file block.
The upgraded module, comprising:
Storage unit, the storage unit are connected with the embedded equipment communication unit, for receiving the upgrading text
Part block, and the upgrade file block is stored；
File concatenation unit, the file concatenation unit are used to extract the upgrade file block in the storage unit,
And the upgrade file block is spliced into upgrade file according to the sequence number；
Upgrade control unit, the upgrading control unit is connected with the file concatenation unit, for extracting the upgrading
File, and the embedded equipment plug-in is upgraded using the upgrade file and plug-in original.
The upgrade file correction verification module, comprising:
Start verification unit, the starting verification unit is connected with the storage unit, for the built-in journey after upgrading
Can sequence be actuated for testing, if the plug-in after the upgrading cannot normally start, start verification failure, delete upgrading
File starts and verifies successfully if the plug-in after the upgrading can normally start.
Wherein, the plug-in after the upgrading normally start refer to starting and do not run it is winged, or only connection main website
The application that parameter can be modified, which can start and not run, to fly and can connect main website.In the present embodiment, the test of the step 6
To assist to realize by the startup program of embedded equipment, i.e., startup program according to after upgrading new procedures execute after situation,
Decide whether to restore old program.Running mark for the first time and for the first time connection mark can be generated in new file after upgrading.If new
Program can normally start, then running mark can be removed for the first time, if new procedures cannot normally start, running mark is not for the first time
It can be removed.
In the application for not needing connection main website, only need to can decide whether to restore according to the presence or absence of running mark for the first time
Plug-in before upgrading.That is, if still having running mark for the first time after test, the plug-in before restoring upgrading；If examination
Afterwards without running mark for the first time, then new procedures are run, does not need to restore the plug-in before upgrading.
The application of parameter could be modified in only connection main website, it is necessary to be connected according to running mark for the first time and for the first time
Mark come decide whether restore upgrading before plug-in.At this point, if new procedures can normally start, but new procedures are at 3 points
Main website success cannot be connected within clock, illustrates that new procedures may have modified the Connecting quantity of main website, this represents device may be with
Eternal lost contact afterwards can not connect main website, therefore in this case also it is necessary to restore old program, and connecting mark for the first time will not be clear
It removes.That is, if still having running mark for the first time or for the first time connection mark after test, the plug-in before restoring upgrading；If examination
Afterwards without connection mark for the first time, then new procedures are run, does not need to restore the plug-in before upgrading.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of embedded equipment plug-in upgrade method characterized by comprising
Step 1: carrying out piecemeal to upgrade file, upgrade file block is formed；
Step 2: adding sequence number to the upgrade file block according to sequence；
Step 3: upgrade file block is transmitted to embedded equipment according to the sequence number, to all upgrade file block end of transmissions
Afterwards, it is transferred to step 5；If there is network interruption in the transmission process of upgrade file block, step is transferred to after network recovery
Four；
Step 4: continuing the transmission of upgrade file block according to the sequence number；
Step 5: the upgrade file block is spliced into upgrade file according to the sequence number, and in the embedded equipment
Program is set to be upgraded；
Step 6: test the plug-in after upgrading, if the plug-in after upgrading can normally start and embedded
Device connects upper main website, then upgrades successfully, if the plug-in after upgrading cannot normally start, the built-in journey before restoring upgrading
Sequence.
2. embedded equipment plug-in upgrade method according to claim 1, which is characterized in that the step 4, comprising:
Inquire the version number of current upgrade file, the sequence number N of upgraded version number and last transmission upgrade file block；
Select the version number of same upgrade file, the upgrade file block of Serial No. N+1 under upgraded version number continues to described
Embedded equipment is transmitted, until the upgrade file block of the last one sequence number is transmitted to the embedded equipment.
3. embedded equipment plug-in upgrade method according to claim 1, which is characterized in that the step 1, comprising:
Piecemeal is carried out to the upgrade file as unit of the first fixed byte, forms upgrade file block.
4. embedded equipment plug-in upgrade method according to claim 3, which is characterized in that the step 5, comprising:
The embedded equipment receives upgrade command；
The upgrade file block is spliced into upgrade file according to the sequence number；
The upgrade file is verified, if the upgrade file is correct, the embedded equipment resets；
After embedded equipment reset, the new file after startup program searches whether upgrading, if so, then executing new
File routine.
5. embedded equipment plug-in upgrade method according to claim 1, which is characterized in that the step 1, comprising:
Piecemeal is carried out to the upgrade file as unit of the second fixed byte, obtains upgrade file just block；
Block at the beginning of the upgrade file is compressed, and by the size of block compressed package at the beginning of upgrade file and journal in compression journey
In sequence index；
Block compressed package at the beginning of upgrade file is connected together, then carries out piecemeal as unit of third fixed byte, forms upgrade file
Block.
6. embedded equipment plug-in upgrade method according to claim 5, which is characterized in that the step 5, comprising:
The embedded equipment receives upgrade command；
Block compressed package at the beginning of the upgrade file block is parsed upgrade file according to the sequence number；
The upgrade file block compressed package is decompressed, obtains upgrade file just block, and store and arrive predeterminated position；
It is indexed according to the condensing routine and block at the beginning of the upgrade file is spliced into upgrade file；
The upgrade file is verified, if the upgrade file is correct, the embedded equipment resets；
After embedded equipment reset, the new file after startup program searches whether upgrading, if so, then executing new
File routine.
7. a kind of embedded equipment plug-in update device characterized by comprising
File declustering module, the file declustering module are used for upgrade file progress piecemeal, formation upgrade file block, and according to
Sequence adds sequence number to the upgrade file block；
Document transmission module, the document transmission module are connected with the file declustering module, for according to the sequence number to
Embedded equipment transmits upgrade file block, and after there is network interruption in upgrade file block transmission process, resumes upgrade file
Block；
Upgraded module, the upgraded module are connected with the document transmission module, for receiving the upgrade file block, according to institute
It states sequence number and the upgrade file block is spliced into upgrade file, and the embedded equipment plug-in is upgraded；
Upgrade file correction verification module, the upgrade file correction verification module are connected with the upgraded module, for in after upgrading
Program is set to be tested, if the plug-in after upgrading can normally start and embedded equipment connects upper main website, upgrading at
Function, if the plug-in after upgrading cannot normally start, the plug-in before restoring upgrading.
8. embedded equipment plug-in update device according to claim 7, which is characterized in that the file transmits mould
Block, comprising:
Master station communication unit, the master station communication unit is for sending the upgrade file block；
Send control unit, the control unit that sends is used to inquire the version number of current upgrade file, upgraded version number and most
The sequence number N of upgrade file block is transmitted afterwards, is broken reply again after in a network, is selected version number, the upgrade version of same upgrade file
The upgrade file block of Serial No. N+1 under this number is carried out by the control master station communication unit to the embedded equipment
Transmission, until the upgrade file block of the last one sequence number is transmitted to the embedded equipment；
Embedded equipment communication unit, the embedded equipment communication unit is for receiving the upgrade file block.
9. embedded equipment plug-in update device according to claim 8, which is characterized in that the upgraded module, packet
It includes:
Storage unit, the storage unit are connected with the embedded equipment communication unit, for receiving the upgrade file block,
And the upgrade file block is stored；
File concatenation unit, the file concatenation unit for extracting the upgrade file block in the storage unit, and according to
The upgrade file block is spliced into upgrade file according to the sequence number；
Upgrading control unit, the upgrading control unit is connected with the file concatenation unit, for extracting the upgrade file,
And the embedded equipment plug-in is upgraded using the upgrade file and plug-in original.
10. embedded equipment plug-in update device according to claim 7, which is characterized in that the upgrade file school
Test module, comprising:
Start verification unit, the starting verification unit is connected with the storage unit, for the plug-in energy after upgrading
It is no to be actuated for testing, if the plug-in after the upgrading cannot normally start, start verification failure, deletes upgrading text
Part starts and verifies successfully if the plug-in after the upgrading can normally start.
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