CN107861745A - A kind of application program online upgrading method, apparatus, equipment and storage medium - Google Patents
A kind of application program online upgrading method, apparatus, equipment and storage medium Download PDFInfo
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- CN107861745A CN107861745A CN201711236847.XA CN201711236847A CN107861745A CN 107861745 A CN107861745 A CN 107861745A CN 201711236847 A CN201711236847 A CN 201711236847A CN 107861745 A CN107861745 A CN 107861745A
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Abstract
The invention discloses a kind of application program online upgrading method, including：Obtain destination application and upper electric bootstrap；Destination application and upper electric bootstrap are stored to erasable separate different memory spaces respectively；During operation for embedded system, when receiving application program updating instruction, by upper electric bootstrap access target application program, by the setting address inside program code programming to the embedded system of destination application.The technical scheme provided using the embodiment of the present invention, destination application and upper electric bootstrap are stored to erasable separate different memory spaces respectively, so that destination application and upper electric bootstrap are not interfere with each other, application program online upgrading can be carried out in a simple and efficient manner, improve operating efficiency, human cost is saved, avoids influenceing the normal operation of embedded system.The invention also discloses a kind of application program online upgrading device, equipment and storage medium, has relevant art effect.
Description
Technical field
The present invention relates to field of embedded technology, more particularly to a kind of application program online upgrading method, apparatus, equipment
And storage medium.
Background technology
With the fast development of embedded technology, the application of embedded system is more and more extensive.In embedded systems, often
Face the demand of application program updating.
In the prior art, when upgrading to the application program in embedded system, it is desirable to set in embedded system
It is standby to descend electricity, teardown of engine panel, pull up after master control borad programs to MCU and plug again.
This method operation is relatively complicated, and operating efficiency is relatively low, and human cost is higher, and easily chip and circuit board are made
Into damage, machine breakdown may be caused during disassembly and installation machine, influences the normal operation of embedded system.
The content of the invention
It is an object of the invention to provide a kind of application program online upgrading method, apparatus, equipment and storage medium, with simple
Effective manner carries out application program online upgrading, avoids influenceing the normal operation of embedded system.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of application program online upgrading method, including：
Obtain destination application and upper electric bootstrap；
The destination application and the upper electric bootstrap are stored to erasable respectively and separate different deposited
Store up space；
During operation for embedded system, when receiving application program updating instruction, pass through the upper electricity guiding journey
Sequence accesses the destination application, inside the program code programming of the destination application to the embedded system
Setting address.
In a kind of embodiment of the present invention, when receiving application program updating instruction, in addition to：
If the upper electric bootstrap is abnormal, using default emulator by the program generation of the destination application
Setting address inside code programming to the embedded system.
In a kind of embodiment of the present invention, in the program code programming by the destination application extremely
After setting address inside the embedded system, in addition to：
Determining the destination application, whether burning is normal；
If it is, jumping to the setting address performs the destination application.
In a kind of embodiment of the present invention, whether burning is normal for the determination destination application, bag
Include：
When electric in the embedded system, check information is read, the check information comprises at least burning mode mark
Position, application program entry address and check value；
Judge whether the application program entry address is effective；
If it is, determine whether the destination application burns according to the burning mode flag bit and the check value
Record is normal；
If it is not, then determine the destination application burning failure.
It is described true according to the burning mode flag bit and the check value in a kind of embodiment of the present invention
Whether burning is normal for the fixed destination application, including：
According to the burning mode flag bit, it is emulator burning or online programming IAP burnings to determine burning mode；
If the burning mode is emulator burning, and the check value is default initial value, it is determined that the mesh
It is normal to mark application program burning；
If the burning mode is online programming IAP burnings, intended application described in default verification function pair is called
The program code of program is verified, and reduced value is obtained, if the reduced value is equal with the check value, it is determined that the mesh
It is normal to mark application program burning, otherwise, it determines the destination application burning failure.
A kind of application program online upgrading device, including：
Program obtains module, for obtaining destination application and upper electric bootstrap；
Program storage block, for the destination application and the upper electric bootstrap to be stored to erasable phase respectively
Mutually independent different memory spaces；
Application program updating module, for during operation for embedded system, receiving application program updating instruction
When, the destination application is accessed by the upper electric bootstrap, by the program code programming of the destination application
Setting address inside to the embedded system.
In a kind of embodiment of the present invention, the application program updating module, it is additionally operable to：
When receiving application program updating instruction, if the upper electric bootstrap is abnormal, default emulation is utilized
Device is by the setting address inside the program code programming of the destination application to the embedded system.
In a kind of embodiment of the present invention, in addition to：
Burning result determining module, in the program code programming by the destination application to the insertion
After the setting address of formula internal system, determining the destination application, whether burning is normal；If it is, journey is applied in triggering
Sequence execution module；
The application program execution module, the destination application is performed for jumping to the setting address.
A kind of application program online upgrading equipment, including：
Memory, for storing computer program；
Processor, the step of realizing above-mentioned application program online upgrading method during for performing the computer program.
A kind of computer-readable recording medium, computer program is stored with the computer-readable recording medium, it is described
The step of above-mentioned application program online upgrading method is realized when computer program is executed by processor.
The technical scheme provided using the embodiment of the present invention, will after obtaining destination application and upper electric bootstrap
Destination application and upper electric bootstrap store to erasable separate different memory spaces, in embedded system respectively
, can be by upper electric bootstrap access target application program when receiving application program updating instruction in running, will
Setting address inside program code programming to the embedded system of destination application, complete application program updating operation.Will
Destination application and upper electric bootstrap store to erasable separate different memory spaces respectively so that intended application journey
Sequence and upper electric bootstrap are not interfere with each other, and can be carried out application program online upgrading in a simple and efficient manner, be improved work
Efficiency, human cost is saved, avoided influenceing the normal operation of embedded system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of implementing procedure figure of application program online upgrading method in the embodiment of the present invention；
Fig. 2 is application program storage mode schematic diagram in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of application program online upgrading device in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of application program online upgrading equipment in the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It is shown in Figure 1, a kind of implementing procedure of the application program online upgrading method provided by the embodiment of the present invention
Figure, this method may comprise steps of：
S110：Obtain destination application and upper electric bootstrap.
The technical scheme that the embodiment of the present invention is provided is based on embedded system, such as MCU (Micro Controller
Unit, microcontroller), MPU (Micro Processor Unit, microprocessor), DSP (Digital Signal
Processing, Digital Signal Processing) etc. with peripheral hardware form system, realize internal flash burning using communication interface.Specifically
It can apply to the microcontroller of embedded system.
Microcontroller can obtain destination application and upper electric bootstrap BootLoader.Destination application is to treat
Burning application program.
S120：Destination application and upper electric bootstrap are stored respectively empty to erasable separate different storages
Between.
In embodiments of the present invention, can be by target after microcontroller obtains destination application and upper electric bootstrap
Application program and upper electric bootstrap store to erasable separate different memory spaces respectively, are specifically as follows erasable phase
Mutually independent different non-volatile storage spaces.
Specifically, can be in same code compilation project by two programs of destination application and upper electric bootstrap
Code partitions, respective program's memory space and data space occupy each independent subregion respectively, to cause target should
It is not interfere with each other with program and upper electric bootstrap.As shown in Fig. 2 the destination application of destination application memory space can be with
Carry out data access to destination application data space, the upper electric bootstrap of upper electric bootstrap memory space can be with
Data access is carried out to upper electric bootstrap data space, upper electric bootstrap can be burnt by destination application entrance
Destination application is recorded, or jumps to destination application execution, multiplicating burning can be carried out by resetting entrance.
Destination application and upper electric bootstrap are stored to erasable separate different memory spaces, phase respectively
Same nonvolatile storage is placed on compared with by destination application and upper electric bootstrap, because surprisingly falling during burning
Electricity etc. easily causes electric bootstrap to damage or lose, can not by online programming mode burning application program, have compared with
It is big to improve：When carrying out the burning of destination application, upper electric bootstrap will not be wiped free of, and upper electric bootstrap can be with burning
Destination application, destination application execution can be jumped to, burning can be repeated several times, be after wiping destination application
Device looses power is set also not cause electric bootstrap to lose so that can burning again after upper electricity.Add electricity guiding journey
The reliability and stability of sequence.
S130：During operation for embedded system, when receiving application program updating instruction, journey is guided by upper electricity
Sequence access target application program, by the setting address inside program code programming to the embedded system of destination application.
In embodiments of the present invention, after obtaining destination application and upper electric bootstrap, by destination application and upper
Electric bootstrap stores to erasable separate different memory spaces, so, destination application and upper electricity guiding respectively
Program is not interfere with each other.During operation for embedded system, if receiving application program updating instruction, upper electricity can be passed through
Bootstrap access target application program, by the setting inside program code programming to the embedded system of destination application
Location, complete application program updating operation.
In embedded system normal course of operation, microcontroller can be various to what is received according to default communication protocol
Instruction is parsed, if the instruction for determining to receive after parsing instructs for application program updating, can determine to need correspondingly
Updating operation is carried out with program, can by the setting inside program code programming to the embedded system of destination application
Location, application program updating operation is completed, can be true if determining the instruction nonusable routine upgrade command received after parsing
Updating operation need not be carried out to application program, can continue executing with original application program before settled.
This mode is properly termed as online programming (In-Application Programming, IAP), i.e., system is being run
It is middle to obtain new executable file and Flash is programmed again.IAP operation principle is：Supported according to microcontroller
Any one communication mode, such as RS485, RS232, CAN, SPI, by under compiled hexadecimal or binary file data
RAM is downloaded to, then by reprogramming data to specific Flash areas, and the renewal of code is performed, realize application code programming
In Flash.Compared to the artificial mode for carrying out updating operation is needed, operating efficiency can be improved, saves human cost.
The method provided using the embodiment of the present invention, after obtaining destination application and upper electric bootstrap, by target
Application program and upper electric bootstrap store to erasable separate different memory spaces, in operation for embedded system respectively
During, can be by upper electric bootstrap access target application program, by target when receiving application program updating instruction
Setting address inside program code programming to the embedded system of application program, complete application program updating operation.By target
Application program and upper electric bootstrap store to erasable separate different memory spaces respectively so that destination application and
Upper electric bootstrap is not interfere with each other, and can be carried out application program online upgrading in a simple and efficient manner, be improved operating efficiency,
Human cost has been saved, has avoided influenceing the normal operation of embedded system.
In one embodiment of the invention, receive application program updating instruction when, this method can also include with
Lower step：
If upper electric bootstrap is abnormal, using default emulator by the program code programming of destination application extremely
Setting address inside embedded system.
In actual applications, it is possible that the situation of upper electric bootstrap exception, in this case, is answered receiving
During with program upgrade command, default emulator can be utilized by the program code programming of destination application to embedded system
Internal setting address.The burning of application program is carried out by emulator mode.It can so avoid the occurrence of because of upper electricity guiding
The exception of program, the problem of leading to not carry out updating operation to application program.
In one embodiment of the invention, inside program code programming to the embedded system by destination application
Setting address after, this method can also comprise the following steps：
Step 1：Determining destination application, whether burning is normal, if it is, performing the operation of step 2；
Step 2：Jump to setting address performance objective application program.
For ease of description, above-mentioned two step is combined and illustrated.
, can be first true after the setting address inside program code programming to the embedded system by destination application
Whether burning is normal for the application program that sets the goal.If it is understood that destination application burning failure, it will cause to read
To the application program of exception, cause application program to perform exception, influence the normal operation of embedded system.It is determined that intended application
When burning program is normal, setting address performance objective application program can be jumped to.
The present invention a kind of embodiment in, can be determined by following steps destination application whether burning
Normally：
First step：When electric in embedded system, check information is read, check information comprises at least burning mode mark
Will position, application program entry address and check value；
Second step：Judge whether application program entry address is effective, if it is, the 3rd step is performed, if
It is no, then perform the 4th step；
3rd step：Determining destination application according to burning mode flag bit and check value, whether burning is normal；
4th step：Determine destination application burning failure.
When electric in embedded system, check information can be read.In embodiments of the present invention, check information comprises at least
Burning mode flag bit, application program entry address and check value.Burning mode flag bit can have two, be respectively designated as
Flag1 and flag2, application program entry address are AppEntry, check value Checksum.
After reading check information, it can first judge whether application program entry address is effective.It is if invalid, then it is assumed that not have
There is destination application, determine destination application burning failure.If it is valid, can be according to burning mode flag bit and school
Value is tested to further determine that destination application whether burning is normal.Specifically, burning can be determined according to burning mode flag bit
Mode is emulator burning or online programming IAP burnings.If burning mode is emulator burning, and check value is default
It initial value, then can determine that destination application burning is normal, if burning mode is online programming IAP burnings, can adjust
Verified with the program code of default verification function pair destination application, obtain reduced value, if reduced value and verification
It is worth equal, then can determines that destination application burning is normal, destination application can be jumped to and performed, if reduced value
It is unequal with check value, then destination application burning failure can be determined, electric bootstrap state can be retained in, waits weight
New burning destination application.
By the way that to destination application, whether burning is normally carried out verifying, can avoid because under system during burning electricity,
Communication Jamming, program exception etc. cause destination application burning failure, influence insertion so as to cause to read abnormal application program
The appearance of the problem of normal operation of formula system.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of application program online upgrading device,
A kind of application program online upgrading device described below can be mutual with a kind of above-described application program online upgrading method
To should refer to.
Shown in Figure 3, the device can include with lower module：
Program obtains module 310, for obtaining destination application and upper electric bootstrap；
Program storage block 320, for destination application and upper electric bootstrap to be stored to erasable mutually only respectively
Vertical different memory spaces；
Application program updating module 330, for during operation for embedded system, referring to receiving application program updating
When making, by upper electric bootstrap access target application program, by the program code programming of destination application to embedded system
Setting address inside system.
The device provided using the embodiment of the present invention, after obtaining destination application and upper electric bootstrap, by target
Application program and upper electric bootstrap store to erasable separate different memory spaces, in operation for embedded system respectively
During, can be by upper electric bootstrap access target application program, by target when receiving application program updating instruction
Setting address inside program code programming to the embedded system of application program, complete application program updating operation.By target
Application program and upper electric bootstrap store to erasable separate different memory spaces respectively so that destination application and
Upper electric bootstrap is not interfere with each other, and can be carried out application program online upgrading in a simple and efficient manner, be improved operating efficiency,
Human cost has been saved, has avoided influenceing the normal operation of embedded system.
In a kind of embodiment of the present invention, application program updating module 330, it is additionally operable to：
, will using default emulator if upper electric bootstrap is abnormal when receiving application program updating instruction
Setting address inside program code programming to the embedded system of destination application.
In a kind of embodiment of the present invention, in addition to：
Burning result determining module, for inside program code programming to the embedded system by destination application
After setting address, determining destination application, whether burning is normal；If it is, triggering application program execution module；
Application program execution module, for jumping to setting address performance objective application program.
In a kind of embodiment of the present invention, burning result determining module, it is specifically used for：
When electric in embedded system, check information is read, check information comprises at least burning mode flag bit, using journey
Sequence entry address and check value；
Judge whether application program entry address is effective；
If it is, determining destination application according to burning mode flag bit and check value, whether burning is normal；
If it is not, then determine destination application burning failure.
In a kind of embodiment of the present invention, burning result determining module, it is specifically used for：
According to burning mode flag bit, it is emulator burning or online programming IAP burnings to determine burning mode；
If burning mode is emulator burning, and check value is default initial value, it is determined that destination application burns
Record is normal；
If burning mode is online programming IAP burnings, the journey of default verification function pair destination application is called
Sequence code is verified, and reduced value is obtained, if reduced value is equal with check value, it is determined that and destination application burning is normal,
Otherwise, it determines destination application burning failure.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of application program online upgrading equipment,
It is shown in Figure 4, including：
Memory 410, for storing computer program；
Processor 420, the step of realizing above-mentioned application program online upgrading method during for performing computer program.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of computer-readable recording medium, meter
Computer program is stored with calculation machine readable storage medium storing program for executing, realizes that above-mentioned application program exists when computer program is executed by processor
The step of line upgrade method.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
Put, for equipment and storage medium, because it is corresponded to the method disclosed in Example, so description is fairly simple, it is related
Part is referring to method part illustration.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand technical scheme and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. application program online upgrading method, it is characterised in that including：Obtain destination application and upper electric bootstrap；The destination application and the upper electric bootstrap are stored respectively empty to erasable separate different storages Between；During operation for embedded system, when receiving application program updating instruction, visited by the upper electric bootstrap The destination application is asked, by the setting inside the program code programming of the destination application to the embedded system Address.
- 2. according to the method for claim 1, it is characterised in that when receiving application program updating instruction, in addition to：If the upper electric bootstrap is abnormal, the program code of the destination application is burnt using default emulator The setting address being written to inside the embedded system.
- 3. method according to claim 1 or 2, it is characterised in that in the program generation by the destination application After setting address inside code programming to the embedded system, in addition to：Determining the destination application, whether burning is normal；If it is, jumping to the setting address performs the destination application.
- 4. according to the method for claim 3, it is characterised in that it is described determine the destination application whether burning just Often, including：When electric in the embedded system, check information is read, the check information comprises at least burning mode flag bit, should With program entry address and check value；Judge whether the application program entry address is effective；If it is, according to the burning mode flag bit and the check value determine the destination application whether burning just Often；If it is not, then determine the destination application burning failure.
- 5. according to the method for claim 4, it is characterised in that described according to the burning mode flag bit and the verification Value determines the destination application, and whether burning is normal, including：According to the burning mode flag bit, it is emulator burning or online programming IAP burnings to determine burning mode；If the burning mode is emulator burning, and the check value is default initial value, it is determined that the target should It is normal with burning program；If the burning mode is online programming IAP burnings, destination application described in default verification function pair is called Program code verified, obtain reduced value, if the reduced value is equal with the check value, it is determined that the target answer It is normal with burning program, otherwise, it determines the destination application burning failure.
- A kind of 6. application program online upgrading device, it is characterised in that including：Program obtains module, for obtaining destination application and upper electric bootstrap；Program storage block, for the destination application and the upper electric bootstrap to be stored to erasable mutually only respectively Vertical different memory spaces；Application program updating module, for during operation for embedded system, when receiving application program updating instruction, leading to Cross the upper electric bootstrap and access the destination application, by the program code programming of the destination application to described Setting address inside embedded system.
- 7. device according to claim 6, it is characterised in that the application program updating module, be additionally operable to：, will using default emulator if the upper electric bootstrap is abnormal when receiving application program updating instruction Setting address inside the program code programming of the destination application to the embedded system.
- 8. the device according to claim 6 or 7, it is characterised in that also include：Burning result determining module, in the program code programming by the destination application to the embedded system After setting address inside system, determining the destination application, whether burning is normal；If it is, triggering application program is held Row module；The application program execution module, the destination application is performed for jumping to the setting address.
- A kind of 9. application program online upgrading equipment, it is characterised in that including：Memory, for storing computer program；Processor, realize that the application program as described in any one of claim 1 to 5 rises online during for performing the computer program The step of level method.
- 10. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium Program, the application program online upgrading as described in any one of claim 1 to 5 is realized when the computer program is executed by processor The step of method.
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| CN109189461A (en) * | 2018-11-27 | 2019-01-11 | 上海辛格林纳新时达电机有限公司 | The programme upgrade method and elevator control system and lift facility of elevator control system |
| WO2020107436A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Program upgrade method and embedded device |
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| CN109766116B (en) * | 2018-12-11 | 2022-07-15 | 湖北航天飞行器研究所 | Multi-core control assembly online guiding and upgrading method based on CAN communication |
| CN111831311A (en) * | 2019-04-18 | 2020-10-27 | 东莞新能安科技有限公司 | Application program upgrading method, electronic equipment and storage medium |
| CN110471675A (en) * | 2019-08-21 | 2019-11-19 | 山东比特智能科技股份有限公司 | A kind of burning program method, system, device and computer readable storage medium |
| CN111475191A (en) * | 2020-04-04 | 2020-07-31 | 东风越野车有限公司 | Automobile controller software upgrading system and method based on multi-core technology |
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Address after: 361000 Ma Long Road 457, Torch Garden, Xiamen Torch High-tech Zone, Fujian Province Applicant after: Kehua Hengsheng Co., Ltd. Applicant after: Kehua Technology Co., Ltd., Zhangzhou Address before: 361000 torch garden, torch high tech Zone, Xiamen, Fujian 457 Applicant before: Xiamen Kehua Hengsheng Co., Ltd. Applicant before: Kehua Technology Co., Ltd., Zhangzhou |
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