CN107402847A - A kind of remote upgrade method and system of entire car controller software - Google Patents
A kind of remote upgrade method and system of entire car controller software Download PDFInfo
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- CN107402847A CN107402847A CN201710631681.5A CN201710631681A CN107402847A CN 107402847 A CN107402847 A CN 107402847A CN 201710631681 A CN201710631681 A CN 201710631681A CN 107402847 A CN107402847 A CN 107402847A
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- software
- memory block
- chinese ink
- upgrade
- brush dipped
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1433—Saving, restoring, recovering or retrying at system level during software upgrading
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Abstract
The invention discloses a kind of remote upgrade method and system of entire car controller software, this method includes：Division software memory block and Redundancy Software memory block in advance, wherein, software memory block stores the software of entire car controller, Redundancy Software memory block stores the remote upgrade software of entire car controller, enter the boot section of software memory block after entire car controller power-up initializing, to perform software, check whether there is upgrade command, and judge whether the upgrade command is remote upgrade instruction, if, then remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block, then process integrity verification is carried out to the remote upgrade software write with a brush dipped in Chinese ink, it is if complete, then enter the boot section of Redundancy Software memory block after entire car controller reset to perform remote upgrade software, it is if imperfect, then enter the boot section of software memory block after entire car controller reset to perform software.Occurred using the situation of the invention that remote upgrade can be avoided unsuccessfully to cause entire car controller not run.
Description
Technical field
The present invention relates to automobile technical field, the remote upgrade method of more particularly to a kind of entire car controller software and it is
System.
Background technology
As automobile steps into the new normality of intelligent net connectionization, the functional requirement of Vehicle Controller is also gradually increased.It is existing
There is technology to upgrade to the software of entire car controller, entire car controller is carried out typically in automobile experience shop local
Upgrading, however, user needs special automobile experience shop of finding time to be upgraded for ROMPaq, user experience needs
Lifting.
The content of the invention
The invention provides a kind of remote upgrade method and system of entire car controller software, solves prior art and is not easy to
The problem of remote upgrade is carried out to entire car controller.
The invention provides a kind of remote upgrade method of entire car controller software, including：
Division software memory block and Redundancy Software memory block in advance, wherein, software memory block is used to store entire car controller
Software, Redundancy Software memory block is used to store the remote upgrade software of entire car controller；
Enter the boot section of software memory block after entire car controller power-up initializing, to perform software；
Check whether there is upgrade command；
If it is, judging whether the upgrade command is remote upgrade instruction；
If it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block；
Process integrity verification is carried out to the remote upgrade software write with a brush dipped in Chinese ink, if completely, recording remote upgrade software brush
Write as work(, entire car controller enters the boot section of Redundancy Software memory block to perform remote upgrade software after resetting, if endless
It is whole, then record remote upgrade software and write with a brush dipped in Chinese ink failure, entire car controller enters software memory block boot section after resetting is soft to perform
Part.
Preferably, the software memory block is used for the software for storing entire car controller, including the first sequentially connected guiding
Area, the first interrupt vector table, the first software area, the first reserved area；
The Redundancy Software memory block is used for the remote upgrade software for storing entire car controller, including sequentially connected second
Boot section, the second reserved area, the second interrupt vector table, the second software area.
Preferably, methods described also includes：
After entire car controller power-up initializing, current memory block where performing software is judged；
If currently performing software in Redundancy Software memory block, when receiving remote upgrade instruction, it is described will be long-range
Upgrading software, which is write with a brush dipped in Chinese ink to Redundancy Software memory block, to be included：
Remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
Preferably, methods described also includes：
Judge whether the upgrade command is remote upgrade instruction, is deposited if it is not, then local upgrade software is write with a brush dipped in Chinese ink to software
Storage area；
Process integrity verification is carried out to the local upgrade software write with a brush dipped in Chinese ink, if completely, recording local upgrade software brush
Write as work(, entire car controller enters the boot section of software memory block to perform local upgrade software after resetting, if imperfect,
Record local upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller rests on the boot section of software memory block after resetting.
Preferably, methods described also includes：
After software is performed, the controller for the state of writing with a brush dipped in Chinese ink is checked for, if it is forbids entire car controller to examine
Whether have upgrade command, if it is not, then entire car controller checks whether there is upgrade command if looking into.
Preferably, methods described also includes：
After it is determined that writing with a brush dipped in Chinese ink request as remote upgrade pattern, check whether current runs software is latest edition；
If it is not, then judge whether current whole vehicle state is that can write with a brush dipped in Chinese ink state, if it is, remote upgrade software is write with a brush dipped in Chinese ink
To Redundancy Software memory block.
Correspondingly, present invention also offers a kind of remote update system of entire car controller software, including：
Memory module, division software memory block and Redundancy Software memory block in advance in the memory module, wherein, software is deposited
Storage area is used for the software for storing entire car controller, and Redundancy Software memory block is used for the remote upgrade software for storing entire car controller；
Initialization module, for entering the boot section of software memory block after entire car controller power-up initializing, to perform
Software；
Upgrade judge module, for checking whether there is upgrade command；
Remote upgrade judge module, for when there is upgrade command, judging whether the upgrade command is remote upgrade instruction；
Module is write with a brush dipped in Chinese ink, for when there is remote upgrade instruction, remote upgrade software to be write with a brush dipped in Chinese ink to Redundancy Software memory block；
Completeness check module, for carrying out process integrity verification to the remote upgrade software write with a brush dipped in Chinese ink；
Reseting module, for completeness check by when, record remote upgrade software write with a brush dipped in Chinese ink success, entire car controller is multiple
Enter the boot section of Redundancy Software memory block behind position to perform remote upgrade software, obstructed out-of-date in completeness check, record is remote
Journey upgrading software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block to perform software after resetting.
Preferably, the system also includes：
Memory block judge module, for after entire car controller power-up initializing, judging that the current software place that performs is deposited
Storage area；
If the module of writing with a brush dipped in Chinese ink is specifically used for the current software that performs in Redundancy Software memory block, long-range liter is being received
During level instruction, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
Preferably, the module of writing with a brush dipped in Chinese ink is specifically used for when upgrade command is not remote upgrade instruction, then by local upgrade
Software is write with a brush dipped in Chinese ink to software memory block；
The reseting module be specifically used for completeness check by when, record local upgrade software write with a brush dipped in Chinese ink success, vehicle
Controller enters the boot section of software memory block to perform local upgrade software after resetting, completeness check is obstructed out-of-date, record
Local upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller rests on the boot section of software memory block after resetting.
Preferably, the system also includes：
Version detection module, for after it is determined that writing with a brush dipped in Chinese ink request as remote upgrade pattern, checking that current runs software is
No is latest edition；
State determining module is write with a brush dipped in Chinese ink, for when current runs software is not latest edition, judging that current whole vehicle state is
No is that can write with a brush dipped in Chinese ink state, if it is, being write with a brush dipped in Chinese ink remote upgrade software to Redundancy Software memory block by writing with a brush dipped in Chinese ink module.
The remote upgrade method and system of a kind of entire car controller software provided by the invention, including：Division software in advance
Memory block and Redundancy Software memory block, wherein, software memory block is used for the software for storing entire car controller, Redundancy Software memory block
For storing the remote upgrade software of entire car controller, the guiding of software memory block is entered after entire car controller power-up initializing
Area, to perform software, upgrade command is then checked whether there is, and determine whether the upgrade command is that remote upgrade refers to
Order, if it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block, can thus realize and deposit remote upgrade software
Then storage carries out process integrity verification in other memory blocks to the remote upgrade software write with a brush dipped in Chinese ink, if completely, in vehicle
Controller enters the boot section of Redundancy Software memory block to perform remote upgrade software after resetting, if imperfect, in vehicle
Controller enters the boot section of software memory block to perform software after resetting.Entire car controller remote upgrade is carried out using the present invention
When, once there is exception during writing with a brush dipped in Chinese ink in remote upgrade software, it is possible to and correlation function is performed using former software, avoided long-range
The situation that upgrading unsuccessfully causes entire car controller and can not run occurs.
Further, the remote upgrade method and system of entire car controller software provided in an embodiment of the present invention, to software
Memory block and Redundancy Software memory block carry out difference setting, such benefit be realized from physical space to software memory block and
The isolation of Redundancy Software memory block, for example, being kept apart between the two software memory blocks by interrupt vector table etc., data are avoided to send out
Raw crosstalk.
Further, the remote upgrade method and system of entire car controller software provided in an embodiment of the present invention, also enters one
The method that step gives local software upgrading, due to there is specialized maintenance personnel to upgrade entire car controller, and specialized maintenance
Personnel ensure that and upgrade successfully certainly during automobile upgrade maintenance, from the aspect of cost, during progress local upgrade no longer
The special Redundancy Software memory block of local upgrade is separately provided, in addition, soft to improve in order to reduce the pilot process of software upgrading
Part upgrades efficiency, and reminds maintenance personal and car owner currently to upgrade failure, carries out not using Redundancy Software to store during local upgrade
Area.
Further, the remote upgrade method and system of entire car controller software provided in an embodiment of the present invention, in order to carry
The reliability of Full Vehicle System is risen, after software is performed, the controller for the state of writing with a brush dipped in Chinese ink is checked for, if it is forbids whole
Vehicle controller checks whether there is upgrade command, if it is not, then entire car controller checks whether there is upgrade command.So can be effective
Avoid multiple controllers while carrying out software upgrading causes the situation of system disorders to occur.
Further, the remote upgrade method and system of entire car controller software provided in an embodiment of the present invention, it is determined that
Request is write with a brush dipped in Chinese ink after remote upgrade pattern, to check whether current runs software is latest edition；If it is not, then judge current whole
Whether car state is that can write with a brush dipped in Chinese ink state, if it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.By judging to work as
Whether preceding runs software is latest edition it is possible to prevente effectively from operating personnel are not because knowing or forgetting currently to perform software for most
Redaction and cause to repeat more news generation.Moreover, it is judged that current whole vehicle state whether be can write with a brush dipped in Chinese ink state can be with
The success rate that effectively lifting software is write with a brush dipped in Chinese ink, and then smoothly realize software upgrading.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the first flow according to the remote upgrade method of entire car controller software provided in an embodiment of the present invention
Figure；
Fig. 2 a are a kind of structural representation according to software memory block provided in an embodiment of the present invention；
Fig. 2 b are a kind of structural representation according to Redundancy Software memory block provided in an embodiment of the present invention；
Fig. 3 is second of flow according to the remote upgrade method of entire car controller software provided in an embodiment of the present invention
Figure；
Fig. 4 is the third flow according to the remote upgrade method of entire car controller software provided in an embodiment of the present invention
Figure；
Fig. 5 is the 4th kind of flow according to the remote upgrade method of entire car controller software provided in an embodiment of the present invention
Figure；
Fig. 6 is to redirect schematic diagram according to what entire car controller provided in an embodiment of the present invention write with a brush dipped in Chinese ink state；
Fig. 7 is a kind of structural representation according to the remote update system of entire car controller software provided in an embodiment of the present invention
Figure.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar parameter or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
The present invention must be the software of user's renewal entire car controller in order to more convenient, while also tieed up after sale to vehicle factor
Repair maintenance and to being offered convenience in the remote diagnosis of vehicle, lift the competitiveness of product in market, develop a kind of entire car controller
The remote upgrade method and system of software.The heavy Technology Difficulties of remote upgrade are divided into server, client and mounted remote intelligence
Terminal on information in the encryption, decryption and whole message sense of the code of the controller of remote upgrade safety and be upgraded
Software backup of controller etc..But how to avoid software upgrading from unsuccessfully causing controller cisco unity malfunction, the control to automobile
It is vital for device processed, especially entire car controller：Automobile unlike equipment such as lathes there is special attendant to enter
Row regular maintenance, automobile may result in vapour once carrying out remote upgrade failure in the place without the ability of maintenance such as non-4S shops
Car can not travel, and can only haul maintenance point and be repaired, and bad experience can be brought to user, therefore, prior art is generally kept away
Exempt to carry out entire car controller remote upgrade, and the method for using local upgrade.
The remote upgrade method and system of a kind of entire car controller software provided by the invention, because division software is deposited in advance
Storage area and Redundancy Software memory block, once there is exception during Redundancy Software memory block is write with a brush dipped in Chinese ink in remote upgrade software,
Can performs correlation function using the former software of entire car controller, avoids remote upgrade from unsuccessfully causing entire car controller not transport
Capable situation occurs.
In order to be better understood from technical scheme and technique effect, below with reference to schematic flow sheet to specific
Embodiment is described in detail.As shown in figure 1, it is the long-range liter according to entire car controller software provided in an embodiment of the present invention
The first flow chart of level method, this method may comprise steps of：
Step S01, software memory block and Redundancy Software memory block are divided in advance, wherein, software memory block is whole for storing
The software of vehicle controller, Redundancy Software memory block are used for the remote upgrade software for storing entire car controller.
In the present embodiment, the memory of entire car controller is divided into two independent memory blocks, one is local software
Memory block, one be remote upgrade software memory block.The software code of the two memory blocks is identical, except each soft
There is 1 edition data that outside EEPROM be present inside part, the parameter represents different software version states, and the two are independent
Memory source that software takes is separate, including interrupt vector table and separate backup.
Specifically, as shown in Figure 2 a, it is a kind of structural representation according to software memory block provided in an embodiment of the present invention,
As shown in Figure 2 b, it is a kind of structural representation according to Redundancy Software memory block provided in an embodiment of the present invention.The software is deposited
Storage area is used for the software for storing entire car controller, including the first sequentially connected boot section, the first interrupt vector table, the first software
Area, the first reserved area；The Redundancy Software memory block is used for the remote upgrade software for storing entire car controller, including is sequentially connected
The second boot section, the second reserved area, the second interrupt vector table, the second software area.It should be noted that software memory block with it is superfluous
The structure of remaining software memory block can be better when using structure as above with identical or different, such as from physical space
The isolation to software memory block and Redundancy Software memory block is realized, for example, having interrupt vector table between the two software memory blocks
Etc. keeping apart, avoid data that crosstalk occurs.It should be noted that the first boot section and the second boot section can be same guiding
Area, and the first interrupt vector table and the first software area and the second interrupt vector table and the second software area are the not same districts of physical space
Domain.
Step S02, the boot section of software memory block is entered after entire car controller power-up initializing, to perform software.Can be with
Using prior art, will not be described in detail herein.
Step S03, checks whether there is upgrade command.
In the present embodiment, it specifically can judge currently to whether there is by BootLoader bootstrap and write with a brush dipped in Chinese ink request,
There is upgrade command if existing and writing with a brush dipped in Chinese ink request.
It should be noted that methods described also includes：Upgrade command is checked whether there is, if it is not, then performing current operation
Software.Former software is run when in the absence of upgrade command.
Step S04, if it is, judging whether the upgrade command is remote upgrade instruction.
In the present embodiment, specifically it can judge whether the upgrade command is long-range by reading EEPROM flag bits data
Upgrade command.
Step S05, if it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
In the present embodiment, can be based on writing with a brush dipped in Chinese ink flow and writing with a brush dipped in Chinese ink remote upgrade software to Redundancy Software depositing by host computer
Storage area, specifically, the host computer can be remote information processor (Telematics BOX, T-BOX).Wherein, vehicle-mounted T-BOX
It is mainly used in communicating with background system/cell phone application, realizes that the information of vehicles of cell phone application is shown with controlling, in the present embodiment should
Vehicle-mounted T-BOX is mainly used in receiving remote upgrade software, and is write with a brush dipped in Chinese ink to Redundancy Software memory block.
Step S06, process integrity verification is carried out to the remote upgrade software write with a brush dipped in Chinese ink, if completely, recording long-range rise
Level software writes with a brush dipped in Chinese ink success, and entire car controller enters the boot section of Redundancy Software memory block to perform remote upgrade software after resetting,
If imperfect, record remote upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block after resetting
To perform software.
In the present embodiment, by T-BOX as host computer is write with a brush dipped in Chinese ink, entire car controller, which enters, writes with a brush dipped in Chinese ink Pattern completion to controller
Software write with a brush dipped in Chinese ink, successful state will successfully be write with a brush dipped in Chinese ink afterwards by, which writing with a brush dipped in Chinese ink, is stored in EEPROM, writes with a brush dipped in Chinese ink unsuccessful then entire car controller and resets
The software stored in software memory block is performed afterwards, and preserves and writes with a brush dipped in Chinese ink the data of failure to EEPROM, is reported when electric on next time
To T-BOX.
Further, after software is performed, such as can also be examined after execution software in step S01 or step S06
The controller with the presence or absence of state of writing with a brush dipped in Chinese ink is looked into, if it is forbids entire car controller to check whether there is upgrade command, if it is not, then
Entire car controller checks whether there is upgrade command.Multiple controllers can so be avoided while carrying out software upgrading causes system disorderly
Random situation occurs.
A kind of remote upgrade method of entire car controller software provided by the invention, including：Division software memory block in advance
With Redundancy Software memory block, wherein, software memory block is used to store the software of entire car controller, and Redundancy Software memory block is used to deposit
The remote upgrade software of entire car controller is stored up, the boot section of software memory block is entered after entire car controller power-up initializing, with
Software is performed, then checks whether there is upgrade command, and determines whether the upgrade command is remote upgrade instruction, if
It is that then remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block, can thus realize and remote upgrade software is stored in it
In his memory block, process integrity verification then is carried out to the remote upgrade software write with a brush dipped in Chinese ink, if completely, in entire car controller
Enter the boot section of Redundancy Software memory block after reset to perform remote upgrade software, if imperfect, in entire car controller
After reset into software memory block boot section to perform software.When carrying out entire car controller remote upgrade using the present invention, one
Denier remote upgrade software occurs abnormal during writing with a brush dipped in Chinese ink, it is possible to performs correlation function using former software, avoids remote upgrade
The situation that unsuccessfully causing entire car controller can not run occurs.
As shown in figure 3, second for the remote upgrade method according to entire car controller software provided in an embodiment of the present invention
Kind flow chart.
In the present embodiment, methods described also includes：
Step S31, after entire car controller power-up initializing, judge current memory block where performing software；
If currently performing software in Redundancy Software memory block, when receiving remote upgrade instruction, step S05, institute
Stating to write with a brush dipped in Chinese ink remote upgrade software to Redundancy Software memory block includes：
Remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block；
Step S06, process integrity verification is carried out to the remote upgrade software write with a brush dipped in Chinese ink, if completely, recording long-range rise
Level software writes with a brush dipped in Chinese ink success, and entire car controller enters the boot section of Redundancy Software memory block to perform remote upgrade software after resetting,
If imperfect, record remote upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block after resetting
To perform software.
It should be noted that in the remote upgrade software that operation upgrades successfully, please if receiving remote upgrade again
Ask, now write with a brush dipped in Chinese ink remote upgrade software to Redundancy Software memory block and non-software memory block, this allows for earliest version
Software is sure to ensure entire car controller normal operation, optimization version simply also be present, if the software of earliest version covered
Fall, once exception occurs in subsequent upgrade program, such as the remote upgrade program of first time has bug, secondary remote upgrade journey
Sequence is there is also bug, once the software that secondary remote upgrade software covers earliest version can cause entire car controller can not
Normal operation, therefore, the software of earliest version need to retain to ensure that entire car controller can be with normal operation.
For example, after the completion of entire car controller power-up initializing, remote upgrade program is performed, is receiving remote upgrade instruction
Afterwards, write with a brush dipped in Chinese ink Pattern completion using T-BOX as host computer, entire car controller entrance is write with a brush dipped in Chinese ink and the software of controller is write with a brush dipped in Chinese ink, write with a brush dipped in Chinese ink into
Successful state will be write with a brush dipped in Chinese ink after work(and is stored in EEPROM, and T-BOX is reported after controller reset, performs software memory block
Software, such as write with a brush dipped in Chinese ink it is unsuccessful the state for writing with a brush dipped in Chinese ink failure is stored in EEPROM, and it is long-range after controller reset to report T-BOX
Upgrading failure, perform the software of Redundancy Software memory block.
The remote upgrade method of entire car controller software provided in an embodiment of the present invention, in entire car controller power-up initializing
Afterwards, judge current memory block where performing software, if the software currently performed at Redundancy Software memory block, once again
Remote upgrade is carried out, be there may be if remote upgrade program is write with a brush dipped in Chinese ink to Redundancy Software memory block and write with a brush dipped in Chinese ink failure and cause vehicle control
The situation that device processed can not work occurs, and therefore, the present invention can have software memory block as the memory block of remote upgrade software
Effect solves the above problems.
As shown in figure 4, for the remote upgrade method according to entire car controller software provided in an embodiment of the present invention the 3rd
Kind flow chart.
In the present embodiment, methods described also includes：
Step S41, judge whether the upgrade command is remote upgrade instruction, if it is not, then local upgrade software is write with a brush dipped in Chinese ink
To software memory block.
Local upgrade software can be write with a brush dipped in Chinese ink by the step to software memory block, made when carrying out local software renewal
Obtain the function of the invention that can also realize local update.
Step S42, process integrity verification is carried out to the local upgrade software write with a brush dipped in Chinese ink, if completely, recording local rise
Level software writes with a brush dipped in Chinese ink success, and entire car controller enters the boot section of software memory block to perform local upgrade software after resetting, if
It is imperfect, then record local upgrade software and write with a brush dipped in Chinese ink failure, entire car controller rests on the boot section of software memory block after resetting.
The remote upgrade method of entire car controller software provided in an embodiment of the present invention, also furthermore present local software
The method of upgrading, because car owner is that automobile is reached into maintenace point to carry out local update, now there are specialized maintenance personnel to vehicle control
Device processed is upgraded, and can just consign to car after upgrading and success is completed during specialized maintenance personnel progress automobile upgrade maintenance
It is main, considered based on cost and skill proficiency etc., be no longer separately provided during local upgrade special superfluous of local upgrade
Remaining software memory block, in addition, in order to reduce the pilot process of software upgrading to improve software updating efficiency, and in a manner of clearly
Remind maintenance personal and car owner currently to upgrade failure, carry out not using Redundancy Software memory block during local upgrade：During upgrading failure,
Entire car controller rests on the boot section of software memory block after resetting, and the indirect former software of operation, avoids due to originals such as carelessnesses
Because causing maintenance personal and car owner not to know, the situation of renewal failure occurs.
As shown in figure 5, for the remote upgrade method according to entire car controller software provided in an embodiment of the present invention the 4th
Kind flow chart.
In the present embodiment, methods described also includes：
Step S51, after it is determined that writing with a brush dipped in Chinese ink request as remote upgrade pattern, check whether current runs software is latest edition
This.If current runs software is latest edition, it can notify that T-BOX need not be write with a brush dipped in Chinese ink by CAN message.
In the present embodiment, by judge current runs software whether be latest edition it is possible to prevente effectively from operating personnel because
Do not know or forget that currently perform software causes to repeat the generation of more news for latest edition.Specifically, compare
Whether the edition data of edition data and long-range renewal software in the presence of outside EEPROM is most come the software for judging currently to run
Redaction.
Step S52, if it is not, then judge whether current whole vehicle state is that can write with a brush dipped in Chinese ink state, if it is, by remote upgrade
Software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
Wherein, judge whether current whole vehicle state is that can to write with a brush dipped in Chinese ink state be the logic that host computer writes with a brush dipped in Chinese ink request, and writing with a brush dipped in Chinese ink to expire
Sufficient condition includes：Vehicle is in P/N shelves, and mechanical parking brake or electronics parking brake is in on-position, and vehicle is in static condition, key
In key on, without charging, vehicle Ready states, if meeting conditions above, user can from terminal interface select upgrading control
Device request processed；If being unsatisfactory for above promotion condition, would not allow for upgrading.
In a specific embodiment, as shown in fig. 6, to write with a brush dipped in Chinese ink shape according to entire car controller provided in an embodiment of the present invention
State redirects schematic diagram, wherein, condition 1 is：There are local PC host computers to write with a brush dipped in Chinese ink request, and write with a brush dipped in Chinese ink success；Condition 2-1 is：Soft
Failed in part operation by local PC host computers to write with a brush dipped in Chinese ink local upgrade software；；Condition 3 is：Pass through local in running software
PC host computers are successful to write with a brush dipped in Chinese ink local upgrade software；Condition 4 is：There is remote upgrade request to pass through on T-BOX in running software
Position machine writes with a brush dipped in Chinese ink success；Condition 5-1 is：In remote upgrade running software by PC host computers come write with a brush dipped in Chinese ink local upgrade software into
Work(；Condition 5-2 is：Failed in remote upgrade running software by remotely writing with a brush dipped in Chinese ink long-range renewal software；Condition 6-1 is：Remote
There is new remote upgrade to ask to write with a brush dipped in Chinese ink success by T-BOX host computers in journey upgrading running software；Condition 6-2 is：Remotely rising
Failed in level running software by PC host computers to write with a brush dipped in Chinese ink local upgrade software；Condition 7 is：Lead in remote upgrade running software
PC host computers are crossed to write with a brush dipped in Chinese ink the success of local upgrade software.
The remote upgrade method of entire car controller software provided in an embodiment of the present invention, risen it is determined that writing with a brush dipped in Chinese ink request to be long-range
After level pattern, check whether current runs software is latest edition；If it is not, then judging whether current whole vehicle state is to brush
Write state, if it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.By judge current runs software whether be
Latest edition is it is possible to prevente effectively from operating personnel cause to repeat because not knowing or forgetting currently to perform software for latest edition
Situation about being updated occurs.Moreover, it is judged that whether current whole vehicle state is that can write with a brush dipped in Chinese ink state and can effectively lift software to write with a brush dipped in Chinese ink
Success rate, and then smoothly realize software upgrading.
Correspondingly, present invention also offers the remote update system of entire car controller software corresponding with the above method, such as
It is a kind of structural representation according to the remote update system of entire car controller software provided in an embodiment of the present invention shown in Fig. 7,
The system can include：
Memory module, division software memory block and Redundancy Software memory block in advance in the memory module, wherein, software is deposited
Storage area is used for the software for storing entire car controller, and Redundancy Software memory block is used for the remote upgrade software for storing entire car controller.
Initialization module, for entering the boot section of software memory block after entire car controller power-up initializing, to perform
Software.
Upgrade judge module, for checking whether there is upgrade command.
Remote upgrade judge module, for when there is upgrade command, judging whether the upgrade command is remote upgrade instruction.
Module is write with a brush dipped in Chinese ink, for when there is remote upgrade instruction, remote upgrade software to be write with a brush dipped in Chinese ink to Redundancy Software memory block.
Completeness check module, for carrying out process integrity verification to the remote upgrade software write with a brush dipped in Chinese ink.
Reseting module, for completeness check by when, record remote upgrade software write with a brush dipped in Chinese ink success, entire car controller is multiple
Enter the boot section of Redundancy Software memory block behind position to perform remote upgrade software, obstructed out-of-date in completeness check, record is remote
Journey upgrading software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block to perform software after resetting.
In addition, in order to avoid currently in the long-range renewal software of operation, after being received again by new software upgrading instruction, directly
New long-range renewal software presence is write with a brush dipped in Chinese ink in Redundancy Software memory block and writes with a brush dipped in Chinese ink the feelings that failure causes entire car controller not work
Condition, in order to solve the problem, the system can also include：
Memory block judge module, for after entire car controller power-up initializing, judging that the current software place that performs is deposited
Storage area.
If the module of writing with a brush dipped in Chinese ink is specifically used for the current software that performs in Redundancy Software memory block, long-range liter is being received
During level instruction, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
In other embodiments, in order to provide the function of the local upgrade of software, the module of writing with a brush dipped in Chinese ink is specifically used for rising
When level instruction is not remote upgrade instruction, then local upgrade software is write with a brush dipped in Chinese ink to software memory block.
The reseting module be specifically used for completeness check by when, record local upgrade software write with a brush dipped in Chinese ink success, vehicle
Controller enters the boot section of software memory block to perform local upgrade software after resetting, completeness check is obstructed out-of-date, record
Local upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller rests on the boot section of software memory block after resetting.It can thus realize
The local upgrade function of the software of full-vehicle control.
Further, in order to avoid repeating to be upgraded with identical version, the system can also include：
Version detection module, for after it is determined that writing with a brush dipped in Chinese ink request as remote upgrade pattern, checking that current runs software is
No is latest edition.
State determining module is write with a brush dipped in Chinese ink, for when current runs software is not latest edition, judging that current whole vehicle state is
No is that can write with a brush dipped in Chinese ink state, if it is, being write with a brush dipped in Chinese ink remote upgrade software to Redundancy Software memory block by writing with a brush dipped in Chinese ink module.
By version detection module judge current runs software whether be latest edition it is possible to prevente effectively from operating personnel because
Do not know or forget that currently perform software causes to repeat the generation of more news for latest edition.Moreover, it is judged that work as
Whether preceding whole vehicle state is that can write with a brush dipped in Chinese ink state can effectively lift the success rate that software is write with a brush dipped in Chinese ink, and then smoothly realizes software upgrading.
In the specification that this place provides, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description to the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The application claims of shield features more more than the feature being expressly recited in each claim.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the module in the device in embodiment
Change and they are arranged in one or more equipment different from the embodiment.Can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it can use any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit requires, summary and accompanying drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
Replace.
In addition, it will be appreciated by those of skill in the art that although embodiment described herein includes institute in other embodiments
Including some features rather than further feature, but the combination of the feature of different embodiments means to be in the scope of the present invention
Within and form different embodiments.For example, in the following claims, embodiment claimed it is any it
One mode can use in any combination.
The all parts embodiment of the present invention can be realized with hardware, or to be run on one or more processor
Software module realize, or realized with combinations thereof.It will be understood by those of skill in the art that it can use in practice
Microprocessor or digital signal processor (DSP) according to embodiments of the present invention are used for multioperation end remote control list to realize
Some or all functions in the system of operation object.The present invention is also implemented as being used to perform method as described herein
Some or all equipment or system program (such as computer program and computer program product).It is such to realize this
The program of invention can store on a computer-readable medium, or can have the form of one or more signal.So
Signal can download and obtain from the website of internet, can also be provided on carrier signal, or in the form of any other
There is provided.
It should be noted that above-described embodiment is that the present invention will be described rather than limited the invention, and
Those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded for depositing
In element or step not listed in the claims etc..Word "a" or "an" before element does not exclude the presence of more
Individual such element.The present invention can be by means of including the hardware of some different elements and by means of properly programmed calculating
Machine is realized.In if the unit claim of dry systems is listed, several in these systems can be by same
Hardware branch embodies.Word first, second and third use do not indicate that any order.These words can be explained
For title.
Claims (10)
- A kind of 1. remote upgrade method of entire car controller software, it is characterised in that including：Division software memory block and Redundancy Software memory block in advance, wherein, software memory block is used to store the soft of entire car controller Part, Redundancy Software memory block are used for the remote upgrade software for storing entire car controller；Enter the boot section of software memory block after entire car controller power-up initializing, to perform software；Check whether there is upgrade command；If it is, judging whether the upgrade command is remote upgrade instruction；If it is, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block；Process integrity verification is carried out to the remote upgrade software write with a brush dipped in Chinese ink, if completely, record remote upgrade software is write with a brush dipped in Chinese ink into Work(, entire car controller enters the boot section of Redundancy Software memory block to perform remote upgrade software after resetting, if imperfect, Record remote upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block to perform software after resetting.
- 2. according to the method for claim 1, it is characterised in thatThe software memory block is used for the software for storing entire car controller, including the first sequentially connected boot section, the first interruption Vector table, the first software area, the first reserved area；The Redundancy Software memory block is used for the remote upgrade software for storing entire car controller, including the second sequentially connected guiding Area, the second reserved area, the second interrupt vector table, the second software area.
- 3. according to the method for claim 1, it is characterised in that methods described also includes：After entire car controller power-up initializing, current memory block where performing software is judged；It is described by remote upgrade when receiving remote upgrade instruction if currently performing software in Redundancy Software memory block Software, which is write with a brush dipped in Chinese ink to Redundancy Software memory block, to be included：Remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
- 4. according to the method for claim 1, it is characterised in that methods described also includes：Judge whether the upgrade command is remote upgrade instruction, if it is not, then local upgrade software is write with a brush dipped in Chinese ink to software memory block；Process integrity verification is carried out to the local upgrade software write with a brush dipped in Chinese ink, if completely, record local upgrade software is write with a brush dipped in Chinese ink into Work(, the boot section that entire car controller enters software memory block after resetting, if imperfect, are recorded with performing local upgrade software Local upgrade software writes with a brush dipped in Chinese ink failure, and entire car controller rests on the boot section of software memory block after resetting.
- 5. according to the method for claim 1, it is characterised in that methods described also includes：After software is performed, the controller for the state of writing with a brush dipped in Chinese ink is checked for, if it is forbids entire car controller inspection to be It is no to have upgrade command, if it is not, then entire car controller checks whether there is upgrade command.
- 6. according to the method for claim 1, it is characterised in that methods described also includes：After it is determined that writing with a brush dipped in Chinese ink request as remote upgrade pattern, check whether current runs software is latest edition；If it is not, then judge whether current whole vehicle state is that can write with a brush dipped in Chinese ink state, if it is, remote upgrade software is write with a brush dipped in Chinese ink to superfluous Remaining software memory block.
- A kind of 7. remote update system of entire car controller software, it is characterised in that including：Memory module, division software memory block and Redundancy Software memory block in advance in the memory module, wherein, software memory block For storing the software of entire car controller, Redundancy Software memory block is used for the remote upgrade software for storing entire car controller；Initialization module, for entering the boot section of software memory block after entire car controller power-up initializing, to perform software；Upgrade judge module, for checking whether there is upgrade command；Remote upgrade judge module, for when there is upgrade command, judging whether the upgrade command is remote upgrade instruction；Module is write with a brush dipped in Chinese ink, for when there is remote upgrade instruction, remote upgrade software to be write with a brush dipped in Chinese ink to Redundancy Software memory block；Completeness check module, for carrying out process integrity verification to the remote upgrade software write with a brush dipped in Chinese ink；Reseting module, for completeness check by when, record remote upgrade software writes with a brush dipped in Chinese ink success, after entire car controller resets It is obstructed out-of-date in completeness check into the boot section of Redundancy Software memory block to perform remote upgrade software, record long-range rise Level software writes with a brush dipped in Chinese ink failure, and entire car controller enters the boot section of software memory block to perform software after resetting.
- 8. system according to claim 7, it is characterised in that the system also includes：Memory block judge module, for after entire car controller power-up initializing, judging current memory block where performing software；If the module of writing with a brush dipped in Chinese ink is specifically used for the current software that performs in Redundancy Software memory block, refer to receiving remote upgrade When making, remote upgrade software is write with a brush dipped in Chinese ink to Redundancy Software memory block.
- 9. system according to claim 7, it is characterised in thatThe module of writing with a brush dipped in Chinese ink is specifically used for when upgrade command is not remote upgrade instruction, then writing with a brush dipped in Chinese ink local upgrade software to soft Part memory block；The reseting module be specifically used for completeness check by when, record local upgrade software write with a brush dipped in Chinese ink success, full-vehicle control Device enters the boot section of software memory block to perform local upgrade software after resetting, completeness check is obstructed out-of-date, and record is local Upgrading software writes with a brush dipped in Chinese ink failure, and entire car controller rests on the boot section of software memory block after resetting.
- 10. system according to claim 1, it is characterised in that the system also includes：Version detection module, for it is determined that write with a brush dipped in Chinese ink request be remote upgrade pattern after, check current runs software whether be Latest edition；Write with a brush dipped in Chinese ink state determining module, for when current runs software is not latest edition, judge current whole vehicle state whether be State can be write with a brush dipped in Chinese ink, if it is, writing with a brush dipped in Chinese ink remote upgrade software to Redundancy Software memory block by writing with a brush dipped in Chinese ink module.
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| CN201710631681.5A CN107402847B (en) | 2017-07-28 | 2017-07-28 | Remote upgrading method and system for vehicle control unit software |
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| CN108829079A (en) * | 2018-04-26 | 2018-11-16 | 安徽江淮汽车集团股份有限公司 | A kind of TCU writes with a brush dipped in Chinese ink system and method automatically |
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| CN111475179A (en) * | 2019-01-23 | 2020-07-31 | 北京新能源汽车股份有限公司 | Software online flashing method and device, electronic control unit and upper computer |
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| CN111352646A (en) * | 2020-02-21 | 2020-06-30 | 联创汽车电子有限公司 | MPU software upgrading method and upgrading system thereof |
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| CN112988188A (en) * | 2021-02-23 | 2021-06-18 | 上海龙感汽车电子有限公司 | Software upgrading method applied to automobile steering wheel corner sensor |
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