CN110389778A - A kind of isomery accelerates the MCU firmware upgrade method and relevant apparatus of platform - Google Patents
A kind of isomery accelerates the MCU firmware upgrade method and relevant apparatus of platform Download PDFInfo
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- CN110389778A CN110389778A CN201910657532.5A CN201910657532A CN110389778A CN 110389778 A CN110389778 A CN 110389778A CN 201910657532 A CN201910657532 A CN 201910657532A CN 110389778 A CN110389778 A CN 110389778A
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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
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
Abstract
This application discloses the MCU firmware upgrade methods that a kind of isomery accelerates platform, comprising: judges whether the firmware information got matches with local firmware information；If so, the first predeterminated position in Flash is written in the firmware information, preliminary check is sent to host computer and is successfully instructed, so that the host computer sends firmware program data to be updated；Judge whether the firmware program data to be updated are correct according to the check code in the firmware information；If so, the second predeterminated position in the Flash is written in the firmware program data to be updated.By first being verified to firmware, then firmware data is verified according to the check code in firmware information, avoids the occurrence of the problem that firmware program data can not be examined by modification, guarantees the reliability in firmware upgrade operation.Disclosed herein as well is MCU firmware upgrade system, server and computer readable storage mediums that a kind of isomery accelerates platform, have the above beneficial effect.
Description
Technical field
This application involves field of computer technology, in particular to a kind of MCU firmware upgrade method of isomery acceleration platform,
MCU firmware upgrade system, server and computer readable storage medium.
Background technique
At present in cloud computation data center technical field, the isomery for commonly using CPU, FPGA and MCU accelerates platform to improve
The real-time of data processing.During use it is generally necessary to which the firmware to modules upgrades.In order to reduce to MCU
The cost that (Microcontroller Unit, micro-control unit) chip (such as ARM chip) is upgraded improves upgrading effect
Rate, the mode for generalling use IAP in the prior art upgrade ARM chip, that is, carry out application on site volume to ARM chip
Journey.Specifically, being that corresponding program carries out programming to the partial region in Flash (flash memory) in the process of running, to realize
The firmware of ARM is updated.It is usually three sections by the Falsh of MCU points to reach the target of firmware update, one section for depositing
Firmware program is put, one section is used to store firmware update program, such as Bootloader (loading procedure) program, final stage are used for
Store firmware update flag bit.The general work process of online upgrading is to run Bootloader program after powering on first,
Bootloader programmed check firmware update flag bit whether set, firmware upgrade is carried out if set, if without set
Then jump to executing application in firmware program.
But since firmware update flag bit updates not in time, it may appear that unsafe condition.When user is unconscious or
After firmware program in person Flash is changed unintentionally by extraneous factor, and firmware upgrade flag bit is not set, this when
If waited to device power, Bootloader, which still can be jumped in firmware program, goes operation application program, but this when
Application program be mistake, cannot achieve due function.Firmware upgrade is especially easy to appear in firmware upgrade process
The case where failure.
Therefore, how to avoid firmware program by modify but can not be verified problem, be that those skilled in the art pay close attention to
Important Problems.
Summary of the invention
The purpose of the application be to provide a kind of isomery accelerate the MCU firmware upgrade method of platform, MCU firmware upgrade system,
Server and computer readable storage medium, by first being verified to firmware, then according to the check code in firmware information
Firmware data is verified, the problem that firmware program data can not be examined by modification is avoided the occurrence of, guarantees firmware upgrade
Reliability in operation.
In order to solve the above technical problems, the application provides a kind of MCU firmware upgrade method of isomery acceleration platform, comprising:
Judge whether the firmware information got matches with local firmware information；
If so, the first predeterminated position in Flash is written in the firmware information, preliminary check success is sent to host computer
Instruction, so that the host computer sends firmware program data to be updated；
Judge whether the firmware program data to be updated are correct according to the check code in the firmware information；
If so, the second predeterminated position in the Flash is written in the firmware program data to be updated.
Optionally, further includes:
After second predeterminated position is written in the firmware file to be updated, sends firmware update and successfully instruct.
Optionally, further includes:
When MCU electrifying startup, according to the check code of first predeterminated position to the firmware of second predeterminated position
Program data is verified；
When passed the verification, start-up operation is executed to the firmware program data；
Obstructed out-of-date when verifying, Xiang Suoshu host computer sends firmware error instruction.
Optionally, judge whether the firmware program data to be updated are correct according to the check code in the firmware information,
Include:
Check code calculation processing is carried out to the firmware program data to be updated, obtains check code to be confirmed；
Judge whether check code in the firmware information and the check code to be confirmed are identical.
Optionally, further includes:
When the firmware program data to be updated are incorrect, Xiang Suoshu host computer, which is sent, updates error in data instruction.
The application also provides a kind of MCU firmware upgrade system of isomery acceleration platform, comprising:
Firmware information judgment module, for judging whether the firmware information got matches with local firmware information；
Firmware information writes with a brush dipped in Chinese ink module, is used for when the firmware information is matched with the local firmware information, will be described solid
The first predeterminated position in Flash is written in part information, sends preliminary check to host computer and successfully instructs, so as to host computer hair
Send firmware program data to be updated；
More new data judgment module, for judging the firmware program to be updated according to the check code in the firmware information
Whether data are correct；
Firmware update module, for when the firmware program data to be updated are correct, by the firmware program to be updated
The second predeterminated position in the Flash is written in data.
Optionally, further includes:
Correction verification module is powered on, for when MCU electrifying startup, according to the check code of first predeterminated position to described the
The firmware program data of two predeterminated positions are verified；
Electrifying startup module, for when passed the verification, executing start-up operation to the firmware program data；
Mistake sending module, for obstructed out-of-date when verifying, Xiang Suoshu host computer sends firmware error instruction.
Optionally, the more new data judgment module, comprising:
Check code computing unit, for carrying out check code calculation processing to the firmware program data to be updated, obtain to
Confirm check code；
Check code judging unit, for judge the check code in the firmware information and the check code to be confirmed whether phase
Together.
The application also provides a kind of server, comprising:
Memory, for storing computer program；
Processor, the step of MCU firmware upgrade method as described above is realized when for executing the computer program.
The application also provides a kind of computer readable storage medium, and calculating is stored on the computer readable storage medium
The step of machine program, the computer program realizes MCU firmware upgrade method as described above when being executed by processor.
A kind of isomery provided herein accelerates the MCU firmware upgrade method of platform, comprising: judges the firmware got
Whether information matches with local firmware information；If so, the first predeterminated position in Flash is written in the firmware information, upwards
Position machine sends preliminary check and successfully instructs, so that the host computer sends firmware program data to be updated；Believed according to the firmware
Check code in breath judges whether the firmware program data to be updated are correct；If so, by the firmware program number to be updated
According to the second predeterminated position being written in the Flash.
Whether the firmware information got by judgement matches between original firmware information, by firmware if matching
Information is written in the first predeterminated position, to judge that firmware program data are according to the firmware information in electrifying startup
It is no mistake occur, then judge whether the firmware program data to be updated got are correct, if then by firmware program to be updated
The second predeterminated position is written in data, realizes firmware update, and does not influence the firmware information saved, so as to can be with when subsequent power on
Using the firmware information, simultaneously as first then verification firmware information judges information of check code, firmware data judgement is improved
Reliability avoids firmware data by check code judgement and is modified the case where can not but verifying, further improves and upgraded
The reliability verified in journey.
The application also provides the MCU firmware upgrade system that a kind of isomery accelerates platform, server and computer-readable deposits
Storage media has the above beneficial effect, and therefore not to repeat here.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart for the MCU firmware upgrade method that the first isomery provided by the embodiment of the present application accelerates platform；
Fig. 2 is the flow chart for the MCU firmware upgrade method that second of isomery accelerates platform provided by the embodiment of the present application；
Fig. 3 is a kind of structural representation of the MCU firmware upgrade system of isomery acceleration platform provided by the embodiment of the present application
Figure.
Specific embodiment
The core of the application be to provide a kind of isomery accelerate the MCU firmware upgrade method of platform, MCU firmware upgrade system,
Server and computer readable storage medium, by first being verified to firmware, then according to the check code in firmware information
Firmware data is verified, the problem that firmware program data can not be examined by modification is avoided the occurrence of, guarantees firmware upgrade
Reliability in operation.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the prior art, in order to which the Falsh of MCU points are usually three sections by the target for reaching firmware update, one section for depositing
Firmware program is put, one section is used to store firmware update program, such as Bootloader program, and final stage is for storing firmware more
New flag bit.The general work process of online upgrading is to run Bootloader program, Bootloader journey after powering on first
Sequence examine firmware update flag bit whether set, firmware upgrade is carried out if set, firmware is jumped to if without set
Executing application in program.But since firmware update flag bit updates not in time, it may appear that unsafe condition.When
User is unconscious or Flash in firmware program changed unintentionally by extraneous factor after, and firmware upgrade flag bit is not
It is set, if this when, to device power, Bootloader, which still can be jumped in firmware program, goes operation application program,
But the application program of this when is mistake, cannot achieve due function.It is easy especially in firmware upgrade process
There is the case where firmware upgrade failure.
Therefore, the application provides a kind of MCU firmware upgrade method of isomery acceleration platform, passes through the firmware for judging to get
Whether information matches between original firmware information, and firmware information is written in the first predeterminated position if matching, with
Just it can judge whether firmware program data occur mistake according to the firmware information in electrifying startup, then judgement is got
Whether firmware program data to be updated are correct, if the second predeterminated position then is written in firmware program data to be updated, realize solid
Part updates, and does not influence the firmware information saved, so that the firmware information can be used when subsequent power on, simultaneously as first
Then verification firmware information judges information of check code, improve the reliability of firmware data judgement, is avoided by check code judgement
Firmware data is modified the case where can not but verifying, and further improves the reliability verified in escalation process.
Referring to FIG. 1, Fig. 1 is the firmware upgrade side MCU that the first isomery provided by the embodiment of the present application accelerates platform
The flow chart of method.
In the present embodiment, this method may include:
S101, judges whether the firmware information got matches with local firmware information；If so, executing S102；If it is not,
Then execute S105；
This step is intended to judge whether the firmware information got matches with local firmware information, that is, first uses firmware
Information rather than firmware file carry out preliminary test.If this time firmware update is not suitable for the hardware, thus can to avoid to
Firmware transmits firmware file, reduces volume of transmitted data, improves the efficiency of firmware upgrade.
Specifically, the firmware information may include: device name, firmware version number, firmware size, cyclic redundancy check.Pass through
Device name therein, firmware version number, firmware size can carry out the preliminary check in this step.It is as follows respectively:
It examines device name: mainly judging whether the firmware to be updated and equipment match, only firmware and equipment phase
With just can be carried out upgrade job；
It examines firmware version number: being on the one hand whether the judgement version number to be updated conflicts with the firmware in current Flash,
On the other hand the firmware version number of burning in equipment is checked convenient for the later period；
Examine firmware size: for judging firmware before the update if appropriate for this Flash size, if firmware is greater than
Flash capacity then determines not upgrading.
The first predeterminated position in Flash is written in firmware information by S102, is sent preliminary check to host computer and is successfully referred to
It enables, so that host computer sends firmware program data to be updated；
On the basis of S101, this step is intended to that first in Flash is written in firmware information after firmware information matches
Predeterminated position.Wherein, the first predeterminated position is for storing the memory range of firmware information in flash, with storage firmware journey
The position of sequence is distinguished, that is, the first predeterminated position and the second predeterminated position it is mutually indepedent, be independent of each other, guarantee data storage
Security and reliability.
Further, it then sends preliminary check to host computer successfully to instruct, so that host computer sends firmware program to be updated
Data.
General is by firmware program data and firmware information while to download in the prior art, then passes through firmware information
Judge whether firmware program data meet the requirements, carries out corresponding firmware update behaviour according to firmware program data when meeting the requirements
Make, but does not save firmware information.Namely when firmware changes, when being modified, the prior art is also had no idea quickly
Verify firmware situation.
And through this embodiment in the step, firmware information can be stored in the first predeterminated position so as to when powering on
When starting, can be judged according to firmware information operation firmware it is whether correct, if go wrong, improve MCU operation can
By property.Also, the verification data are stored in FLASH, and when use can directly acquire, and maintain the efficiency of verification.
S103 judges whether firmware program data to be updated are correct according to the check code in firmware information；If so, executing
S104；If it is not, then executing S105；
On the basis of S102, this step mainly judges whether firmware program data to be updated are correct according to check code.
Wherein, check code can be CRC (Cyclic Redundancy Check, cyclic redundancy check) check code, be also possible to MD5
It is worth check code, can also be the check code of cryptographic Hash, it is seen then that the form of check code is not unique in the present embodiment, does not do herein
It is specific to limit.
Optionally, this step may include:
Check code calculation processing is carried out to firmware program data to be updated, obtains check code to be confirmed；
Judge whether check code in firmware information and check code to be confirmed are identical.
The second predeterminated position in Flash is written in firmware program data to be updated by S104；
On the basis of S102, this step is intended to execute firmware and writes with a brush dipped in Chinese ink operation, that is, by firmware program data to be updated
The second predeterminated position in Flash is written.The mode that the operation that firmware program data are write with a brush dipped in Chinese ink is carried out in this step can be using existing
Any one firmware for having technology to provide writes with a brush dipped in Chinese ink method, is not specifically limited herein.
Wherein, the first predeterminated position in the present embodiment and the second predeterminated position can be according to firmware files in the prior art
Size space and the memory space of flash delimited, also, the information data amount saved in the first predeterminated position is smaller,
It will not influence the memory space of firmware.
S105 sends to host computer and updates error in data instruction.
This step is intended to transmit the message for updating error.
Optionally, the present embodiment can also include:
When firmware program data to be updated are incorrect, sent to host computer and update error in data instruction.
To sum up, whether the present embodiment is matched by the firmware information that judgement is got between original firmware information, such as
Firmware information is then written in the first predeterminated position by fruit matching, to be judged according to the firmware information in electrifying startup
Whether firmware program data there is mistake, then judge whether the firmware program data to be updated got are correct, if then will
The second predeterminated position is written in firmware program data to be updated, realizes firmware update, and does not influence the firmware information saved, so as to
It is subsequent that the firmware information can be used when powering on, simultaneously as first then verification firmware information judges information of check code, improve
The reliability of firmware data judgement avoids firmware data by check code judgement and is modified the case where can not but verifying, into one
Step improves the reliability verified in escalation process.
Below by way of one embodiment, the MCU firmware upgrade method of platform is accelerated to do a kind of isomery provided by the present application
It further illustrates.
Referring to FIG. 2, Fig. 2 is the firmware upgrade side MCU that second of isomery accelerates platform provided by the embodiment of the present application
The flow chart of method.
In the present embodiment, this method may include:
S201, judges whether the firmware information got matches with local firmware information；If so, executing S202；If it is not,
Then execute S205；
The first predeterminated position in Flash is written in firmware information by S202, is sent preliminary check to host computer and is successfully referred to
It enables, so that host computer sends firmware program data to be updated；
S203 judges whether firmware program data to be updated are correct according to the check code in firmware information；If so, executing
S204；If it is not, then executing S205；
The second predeterminated position in Flash is written in firmware program data to be updated by S204；
S205 sends to host computer and updates error in data instruction；
S206, when MCU electrifying startup, according to the check code of the first predeterminated position to the firmware program of the second predeterminated position
Data are verified；
S207 executes start-up operation to firmware program data when passed the verification；
S208, it is obstructed out-of-date when verifying, firmware error instruction is sent to host computer.
As it can be seen that the S206 to S208 in the present embodiment is mainly to the school how used in the first predeterminated position in the application
Code is tested to be described further.It, can be according to the school saved in the first predeterminated position namely at any time when MCU is powered on
It tests code to verify firmware program data, to guarantee MCU reliability of operation.
As it can be seen that whether the present embodiment is matched by the firmware information that judgement is got between original firmware information, such as
Firmware information is then written in the first predeterminated position by fruit matching, to be judged according to the firmware information in electrifying startup
Whether firmware program data there is mistake, then judge whether the firmware program data to be updated got are correct, if then will
The second predeterminated position is written in firmware program data to be updated, realizes firmware update, and does not influence the firmware information saved, so as to
It is subsequent that the firmware information can be used when powering on, simultaneously as first then verification firmware information judges information of check code, improve
The reliability of firmware data judgement avoids firmware data by check code judgement and is modified the case where can not but verifying, into one
Step improves the reliability verified in escalation process.
Below by way of a specific embodiment, to a kind of MCU firmware upgrade of isomery acceleration platform provided by the present application
Method is described further.
The present embodiment carries out CRC operation to the firmware to be updated by the way of CRC check, first with host computer, so
The CRC operation result of two byte lengths is handed down to terminal MCU afterwards.After MCU receives result, first by CRC operation result
Fixation position of the fireware_code1 programming into Flash.In device power operation, can run in Flash first
Bootloader program, Bootloader program carry out CRC operation to APP firmware again and obtain fireware_code2, then
Fireware_code1 is compared with fireware_code2.If fireware_code1 and fireware_code2 mono-
It causes, then jumps to APP program；If comparison result is inconsistent, Bootloader program is continued to run, is waited to APP firmware
Upgraded.
It, can be effective using the method for CRC check verifying firmware validity compared with the method for simple flag bit set
Avoid because APP program is not normally functioning or can not achieve caused by artificial or external factor changes unintentionally firmware
The problem of original function.
Wherein, Bootloader program is the program for being responsible for carrying out data write-in.
Specifically, a kind of isomery provided in this embodiment accelerates the MCU firmware upgrade method of platform, may include:
Firstly, running two sections of programs in MCU: being responsible for the Bootloader program of online upgrading and be responsible for realizing function
APP program.Bootloader program, Bootloader programmed check APP firmware validity are run after powering on first.If inspection
It is correct to test firmware, then jumps directly to the execution of APP program, realizes specific function, until host computer sends firmware upgrade instruction；
If examining firmware incorrect or the never programming of APP program, the cyclic program in Bootloader is executed always and is waited
Position machine sends firmware upgrade instruction.
Firmware upgrade process may include:
Step 1, by communication interface, host computer sends firmware upgrade instruction；Such as Terminal Ready, then preparation is returned to just
Thread response instruction；
Step 2, if host computer receives the ready response instruction of terminal return, firmware information is issued, as terminal is set
Standby title, firmware version number, firmware size, CRC check result etc.；If information is correct, firmware information is written terminal
Fixation position in Flash simultaneously returns to waiting for upgrading response instruction；
Step 3, if host computer receive terminal return etc. response to be upgraded instruction, the HEX file of firmware is handed down to
Terminal device；HEX file is put into caching buff by terminal device, and carries out CRC check to file.It will if verification is correct
Position is fixed in HEX file write-in Flash, and returns to the successful response instruction of programming；
Step 4, it if host computer receives the programming successful respond instruction of terminal return, sends firmware update and finishes instruction.
At this point, terminal program jumps to Bootloader program original position again examines firmware validity；If firmware update success,
Firmware verification passes through at this time, and programming jump to APP is applied.
Wherein, firmware information includes device name, firmware version number, firmware size, CRC check, and firmware validity is examined
It specifically includes that
It examines device name: mainly confirming whether the firmware to be updated and equipment match, only firmware and equipment phase
With just can be carried out upgrade job；
It examines firmware version number: being on the one hand whether the judgement version number to be updated conflicts with the firmware in current Flash,
On the other hand the firmware version number of burning in equipment is checked convenient for the later period；
Examine firmware size: for examining firmware if appropriate for this Flash size before the update, if firmware is greater than
Flash capacity then determines not upgrading；
It examines CRC check: referring to that host computer calculates the fireware_code1 obtained, after completing for HEX file reception
Firmware validity comparison；
Device name is wherein examined, firmware version number is examined, firmware size step is examined only to need to judge in escalation process,
CRC check is examined to require to judge in start process in escalation process and each power on.
The embodiment of the present application provides a kind of MCU firmware upgrade method of isomery acceleration platform, can pass through judgement and obtain
To firmware information whether match between original firmware information, firmware information is written to the first default position if matching
In setting, to judge whether firmware program data mistake occur according to the firmware information in electrifying startup, then judge
Whether the firmware program data to be updated got are correct, if the second default position then is written in firmware program data to be updated
It sets, realizes firmware update, and do not influence the firmware information saved, so that the firmware information can be used when subsequent power on, together
When, due to first verifying firmware information and then judging information of check code, the reliability of firmware data judgement is improved, check code is passed through
Judgement avoids firmware data and is modified the case where can not but verifying, and further improves the reliability verified in escalation process.
The MCU firmware upgrade system of platform is accelerated to be introduced a kind of isomery provided by the embodiments of the present application below, under
A kind of isomery of text description accelerates the MCU firmware upgrade system of platform and a kind of above-described isomery to accelerate the MCU of platform solid
Part upgrade method can correspond to each other reference.
Referring to FIG. 3, Fig. 3 is a kind of MCU firmware upgrade system of isomery acceleration platform provided by the embodiment of the present application
Structural schematic diagram.
In the present embodiment, which may include:
Firmware information judgment module 100, for judging whether the firmware information got matches with local firmware information；
Firmware information writes with a brush dipped in Chinese ink module 200, for when firmware information is matched with local firmware information, firmware information to be written
The first predeterminated position in Flash sends preliminary check to host computer and successfully instructs, so that host computer sends firmware journey to be updated
Ordinal number evidence；
More new data judgment module 300, for judging firmware program data to be updated according to the check code in firmware information
It is whether correct；
Firmware update module 400, for when firmware program data to be updated are correct, firmware program data to be updated to be write
Enter the second predeterminated position in Flash.
Optionally, which can also include:
Correction verification module is powered on, is used for when MCU electrifying startup, according to the check code of the first predeterminated position to the second default position
The firmware program data set are verified；
Electrifying startup module, for when passed the verification, executing start-up operation to firmware program data；
Mistake sending module sends firmware error instruction to host computer for obstructed out-of-date when verifying.
Optionally, the more new data judgment module 300 may include:
Check code computing unit obtains to be confirmed for carrying out check code calculation processing to firmware program data to be updated
Check code；
Check code judging unit, for judging whether the check code in firmware information is identical as check code to be confirmed.
The embodiment of the present application also provides a kind of server, comprising:
Memory, for storing computer program；
Processor realizes MCU firmware upgrade method as described above in Example when for executing the computer program
The step of.
The embodiment of the present application also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, the computer program realizes the firmware upgrade side MCU as described above in Example when being executed by processor
The step of method.
The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), 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.
Accelerate MCU firmware upgrade method, the MCU firmware upgrade system of platform to a kind of isomery provided herein above
System, server and computer readable storage medium are described in detail.Specific case used herein is to the application's
Principle and embodiment is expounded, the present processes that the above embodiments are only used to help understand and its core
Thought.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also
Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application
It is interior.
Claims (10)
1. the MCU firmware upgrade method that a kind of isomery accelerates platform characterized by comprising
Judge whether the firmware information got matches with local firmware information；
If so, the first predeterminated position in Flash is written in the firmware information, preliminary check is sent to host computer and is successfully referred to
It enables, so that the host computer sends firmware program data to be updated；
Judge whether the firmware program data to be updated are correct according to the check code in the firmware information；
If so, the second predeterminated position in the Flash is written in the firmware program data to be updated.
2. MCU firmware upgrade method according to claim 1, which is characterized in that further include:
After second predeterminated position is written in the firmware file to be updated, sends firmware update and successfully instruct.
3. MCU firmware upgrade method according to claim 1, which is characterized in that further include:
When MCU electrifying startup, according to the check code of first predeterminated position to the firmware program of second predeterminated position
Data are verified；
When passed the verification, start-up operation is executed to the firmware program data；
Obstructed out-of-date when verifying, Xiang Suoshu host computer sends firmware error instruction.
4. MCU firmware upgrade method according to claim 1, which is characterized in that according to the verification in the firmware information
Code judges whether the firmware program data to be updated are correct, comprising:
Check code calculation processing is carried out to the firmware program data to be updated, obtains check code to be confirmed；
Judge whether check code in the firmware information and the check code to be confirmed are identical.
5. MCU firmware upgrade method according to claim 1, which is characterized in that further include:
When the firmware program data to be updated are incorrect, Xiang Suoshu host computer, which is sent, updates error in data instruction.
6. the MCU firmware upgrade system that a kind of isomery accelerates platform characterized by comprising
Firmware information judgment module, for judging whether the firmware information got matches with local firmware information；
Firmware information writes with a brush dipped in Chinese ink module, for when the firmware information is matched with the local firmware information, the firmware to be believed
Breath write-in Flash in the first predeterminated position, to host computer send preliminary check successfully instruct, so as to the host computer send to
Update firmware program data；
More new data judgment module, for judging the firmware program data to be updated according to the check code in the firmware information
It is whether correct；
Firmware update module, for when the firmware program data to be updated are correct, by the firmware program data to be updated
The second predeterminated position in the Flash is written.
7. MCU firmware upgrade system according to claim 6, which is characterized in that further include:
Correction verification module is powered on, is used for when MCU electrifying startup, it is pre- to described second according to the check code of first predeterminated position
If the firmware program data of position are verified；
Electrifying startup module, for when passed the verification, executing start-up operation to the firmware program data；
Mistake sending module, for obstructed out-of-date when verifying, Xiang Suoshu host computer sends firmware error instruction.
8. MCU firmware upgrade system according to claim 6, which is characterized in that the more new data judgment module, packet
It includes:
Check code computing unit obtains to be confirmed for carrying out check code calculation processing to the firmware program data to be updated
Check code；
Check code judging unit, for judging whether the check code in the firmware information and the check code to be confirmed are identical.
9. a kind of server characterized by comprising
Memory, for storing computer program；
Processor realizes such as MCU firmware upgrade described in any one of claim 1 to 5 when for executing the computer program
The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes such as the firmware upgrade side MCU described in any one of claim 1 to 5 when the computer program is executed by processor
The step of method.
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Application publication date: 20191029 |