CN106886444A - A kind of online programming method and device - Google Patents
A kind of online programming method and device Download PDFInfo
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- CN106886444A CN106886444A CN201710188205.0A CN201710188205A CN106886444A CN 106886444 A CN106886444 A CN 106886444A CN 201710188205 A CN201710188205 A CN 201710188205A CN 106886444 A CN106886444 A CN 106886444A
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Abstract
The invention discloses a kind of online programming method and device, the method includes：Obtain a Hex files and the 2nd Hex files；Obtain the effective information in a Hex files and the effective information in the 2nd Hex files, effective information information used when being programming；The 3rd Hex files are created, the 3rd Hex files include the effective information in a Hex files and the effective information in the 2nd Hex files；Bootloader areas and Application areas are programmed by ISP modes, using the 3rd Hex files.Application scheme, by creating the 3rd Hex files, and by a Hex files and the 2nd Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that being only programmed to Bootloader areas and Application areas by ISP modes, with the time that this programming process for saving electronic product expends, production efficiency is improve.
Description
Technical field
The present invention relates to software programming technique field, more particularly to a kind of online programming method and device.
Background technology
The online programming of electronic product has two kinds of implementation methods at present：ISP (In-system Programming, in system
Programming) and IAP (In Application Programming, in-service units).ISP is generally by the special string of single-chip microcomputer
Row DLL is programmed to the flash storage inside single-chip microcomputer, and IAP technologies are by flash storage from structure
Two memory banks are mapped as, when the user program on a memory bank is run, another memory bank can be reprogramed, afterwards
Control is turned to another from a memory bank.
The Flash (program storage area) of the MCU of electronic product is typically divided into 3 pieces：Bootloader (boot-loader journeys
Sequence) area, Application (application program) areas and Flag (mark) area.When in the prior art, to electronic product online programming,
The mode of ISP is generally first passed through by Hex files injection Bootloader areas, the generation of Bootloader parts is then run
Code, injects Application areas, so as to realize the online programming to electronic product using the mode of IAP by the 2nd Hex files.
Inventor has found that the scheme of prior art needs to be combined with IAP using ISP in the research process to prior art
The mode online programming that could realize to electronic product, however, for the electronic product or communication speed of some low-power consumption
Relatively low electronic product, because IAP processes are less efficient in itself, so the mode of ISP and IAP combined programmings can cause it is programmed
The time of journey is considerably long and operation is also inconvenient, and production efficiency is relatively low.
The content of the invention
In order to solve the above technical problems, a kind of online programming method and device is the embodiment of the invention provides, it is existing to solve
There is the problem that the online programming time in technology is long, technical scheme is as follows：
A kind of online programming method, including：
Obtain a Hex files and the 2nd Hex files；
The effective information in a Hex files and the effective information in the 2nd Hex files are obtained, it is described effective
Information information used when being programming；
Create the 3rd Hex files, the 3rd Hex files include effective information in a Hex files and described
Effective information in 2nd Hex files；
By ISP modes, using the 3rd Hex files to the Bootloader areas and the Application areas
Programming.
Preferably, by ISP modes, using the 3rd Hex files to Bootloader areas and described
Before the programming of Application areas, also include：
According to the implementation of the IAP being pre-designed, Hex files regulation is met to addition in the 3rd Hex files
Flag bit.
Preferably, also include：
To addition end of identification information in the 3rd Hex files.
Preferably, also include：
Judge whether the information in the 3rd Hex files is effective；
If so, perform by ISP modes, using the 3rd Hex files to Bootloader areas and described
The step of Application areas program.
Preferably, whether the information judged in the 3rd Hex files is effective, including：
By the effective letter in the information in the 3rd Hex files and a Hex files and the 2nd Hex files
Whether breath is contrasted, judge the 3rd Hex files comprising the effective information and described second in a Hex files
Effective information in Hex files.
A kind of online programming device, including：
First acquisition unit, for obtaining a Hex files and the 2nd Hex files；
Second acquisition unit, for obtaining in effective information and the 2nd Hex files in a Hex files
Effective information, effective information information used when being programming；
Creating unit, for creating the 3rd Hex files, the 3rd Hex files include having in a Hex files
Effective information in effect information and the 2nd Hex files；
Programming unit, for by ISP modes, using the 3rd Hex files to Bootloader areas and described
Application areas program.
Preferably, also include：
First adding device, for by ISP modes, using the 3rd Hex files to the Bootloader areas and
Before the Application areas programming, according to the implementation of the IAP being pre-designed, added in the 3rd Hex files
Meet the flag bit that Hex files specify.
Preferably, also include：
Second adding device, for addition end of identification information in the 3rd Hex files.
Preferably, also include：
Judging unit, it is whether effective for judging the information in the 3rd Hex files；
Execution unit, during for determining that the information in the 3rd Hex files is effective when the judging unit, execution passes through
ISP modes, the step of programmed to the Bootloader areas and the Application areas using the 3rd Hex files.
Preferably, the judging unit, including：
Judgment sub-unit, for by the information in the 3rd Hex files and a Hex files and described second
Whether the effective information in Hex files is contrasted, judge the 3rd Hex files comprising having in a Hex files
Effective information in effect information and the 2nd Hex files.
The technical scheme that the embodiment of the present application is provided, by creating the 3rd Hex files, and by a Hex files and second
In Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that only by ISP modes to Bootloader areas and Application
Area is programmed, and with the time that this programming process for saving electronic product expends, improves production efficiency.
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
The accompanying drawing to be used needed for having technology description is 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, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
A kind of a kind of schematic flow sheet of online programming method that Fig. 1 is provided by the embodiment of the present invention；
A kind of another schematic flow sheet of online programming method that Fig. 2 is provided by the embodiment of the present invention；
A kind of a kind of structural representation of online programming device that Fig. 3 is provided by the embodiment of the present invention；
A kind of another structural representation of online programming device that Fig. 4 is provided by the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
Term " first ", " second ", " the 3rd " " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so that embodiments of the invention described herein for example can be removing
Order beyond those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and theirs is any
Deformation, it is intended that covering is non-exclusive to be included, for example, containing process, method, system, the product of series of steps or unit
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this
A little processes, method, product or other intrinsic steps of equipment or unit.
Before the embodiment of the present application is introduced, first Hex files are simply introduced：
, used as text, comprising address and data, its form is as follows for Hex files：
The whole files of Hex are often gone and started with colon with behavior unit, and all heuristicimal codes of content are (aobvious with ASCII character
Show).Every a line of Hex files understanding content as follows, for example：
:020000040000FA, can regard 0x02 0x00 0x00 0x04 0x00 0x00 0xFA as；
Wherein, first 0x02 after colon, represents that data length is 2；Second and the 3rd 0x00 0x00, represent ground
Location is 0x0000；4th 0x04, represents data type, there is following a few classes：
“00”：Data record
“01”：Endfile record
“02”：Extension sector address record
“03”：Start sector address record
“04”：Extension linear address record
“05”：Start linear address record
5th 0x00 0x00 afterwards, represents data；
Last 0xFA, represents check code, and often last of row is check code, and check code calculation is to take each word
The binary arithmetic of section and, disregard the overflow value beyond 256, then subtracting arithmetic sum with 0x100 obtains check code.
Due to the only 2Byte of every line identifier data address, so the data maximum that data address is included can only be arrived
64KB, in order to preserve the data of high address, it is necessary to extend linear address record.If the data type of this row is 0x04, that
, the data of this row are exactly the base address of subsequent data.For example：
:020000040005F6；
:1000000018F09FE518F09FE518F09FE518F09FE5C0；
:1000100018F09FE5805F20B9F0FF1FE518F09FE51D；
The first row, is the linear historical record of extension, and the data 0x0005 of the inside is exactly base address；Second row is data note
Record, the address value of the inside is 0x0000, then data 18F09FE518F09FE518F09FE518F09FE5 will be write in FLASH
Address be (0x0005<<16) | 0x0000, that is, write this address of 0x50000 of FLASH.Equally, the number of the third line
According to writing address be 0x50000.When a data for Hex files are more than 64KB, multiple expansions just occur in file
Span address.
Endfile record is last column of each Hex file.For example：
:00000001FF；
Such data line content is fixed, and data length is 0, and address is 0.
General online programming process be exactly computer by reading Hex files, be sent to according to the regulation agreement of MCU
MCU, then MCU parse corresponding data in address and the address according to the form of above-mentioned Hex files, write data into
Region specified in Flash.
Fig. 1 is referred to, Fig. 1 realizes flow chart for a kind of one kind for online programming method that the embodiment of the present application is provided, institute
The method of stating includes：
Step S101, acquisition the first Hex files and the 2nd Hex files；
First Hex files can be Bootloader.hex files, and the 2nd Hex files can be Application.hex.
First Hex files are referred to and used when being programmed to Bootloader areas using ISP modes in the prior art
Hex files；2nd Hex files are referred to and used when being programmed to Application areas using IAP modes in the prior art
Hex files.
Wherein, the address referred in the first Hex files of parsing is programmed to Bootloader areas using a Hex files
And in the data corresponding to address, and the data write-in Bootloader areas that will be parsed, similarly, use the 2nd Hex texts
Part refers to the address in the 2nd Hex files of parsing and the data corresponding to address to the programming of Application areas, and will
In the data write-in Application areas for parsing.
Effective information in step S102, acquisition the first Hex files and the effective letter in the 2nd Hex files
Breath；
Effective information information used when being programming, effective information can be a Hex files as described
Or the 2nd information in Hex files in addition to end line.
Step S103, the 3rd Hex files of establishment, the 3rd Hex files include the effective letter in a Hex files
Effective information in breath and the 2nd Hex files；
It should be noted that create the 3rd Hex files can also be not include a Hex files in effective information and
The blank document of the effective information in the 2nd Hex files, now, create the 3rd Hex files the step of can be in step
Performed before S101, it is also possible to performed between step S101 and step S102.Obtained when by step S101 and step S102
After the effective information in effective information and the 2nd Hex files in first Hex files, the Hex texts that will can be obtained
The effective information in effective information and the 2nd Hex files in part is added in the 3rd Hex files.
After the effective information of a Hex files and the 2nd Hex files is got, the effective information is put into establishment
In 3rd Hex files, Bootloader areas and Application areas are programmed with using the 3rd Hex files.
During practical application illustrated below, the realization of step S101- steps S103：
Blank text document is created, with as the 3rd Hex files, while by its RNTO BT+APP.hex, leading to
Cross notepad open a Hex files, i.e. Bootloader.hex files, would indicate that the end of file last column "：
00000001FF " is deleted, and entirely in the first Hex files of choosing duplication in other rows to BT+APP.hex files, similarly, for
2nd Hex files, i.e. Application.hex files, also by its other row in addition to last column of the end of file is represented
Full choosing is copied in BT+APP.hex files.
Step S104, by ISP modes, using the 3rd Hex files to Bootloader areas and described
Application areas program.
The technical scheme that the embodiment of the present application is provided, by creating the 3rd Hex files, and by a Hex files and second
In Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that only by ISP modes to Bootloader areas and Application
Area is programmed, and with the time that this programming process for saving electronic product expends, improves production efficiency.
Fig. 2 is referred to, Fig. 2 realizes flow chart for a kind of one kind for online programming method that the embodiment of the present application is provided, institute
The method of stating includes：
Step S201, acquisition the first Hex files and the 2nd Hex files；
Effective information in step S202, acquisition the first Hex files and the effective letter in the 2nd Hex files
Breath；
Step S203, the 3rd Hex files of establishment, the 3rd Hex files include the effective information；
Step S204, the implementation according to the IAP being pre-designed, Hex texts are met to addition in the 3rd Hex files
The flag bit that part specifies；
Due to the 3rd Hex files of the application be by a Hex files and the 2nd Hex file generateds, and be not by
What compiler was directly generated, so, according to user the need for, required flag bit can also be added in the 3rd Hex files.
Due to only just using flag bit when being programmed using IAP modes in the prior art, so, the present embodiment passes through IAP
Implementation determine need in the 3rd Hex files add flag bit.
The explanation as a example by the flag bit 0x5533 that address 0x8006010 is added：
Each system electrification or when restarting, bootloader can read the value of address 0x8006010, if its value is
0x5533, then jump to operation in Application.
When performing the online programming of IAP, it is necessary first to wipe the value 0x5533 of address 0x8006010, then system reboot.
Due to having wiped the value 0x5533 of address 0x8006010, so bootloader can not detect 0x5533, so that program can not
The code performed in Application areas is redirected, after the completion of the online programming of IAP, is write in 0x8006010 again
0x5533, then programming jump to Application areas run.
It can be seen that, when the online programming of IAP is performed, flag bit can be write, so, according to the implementation of IAP, can be true
The fixed flag bit for needing to add.
When flag bit is added, it is necessary to determine the writing address and length of flag bit according to the regulation of Hex files, and calculate
Corresponding extension linear address and the address of flag bit.
Such as flag bit 0x5533 is added in address 0x8006010,0x8010020 adds flag bit 0x01 in address,
Then first extension linear address of flag bit 0x5533 is 0x800, and base address is 0x6010, and data length is 2, so to add
The row for entering is：
：020000040800F2 (check code F2=0x100-0x2-0x4-0x8)
：02601000553306
The corresponding Hex rows of so flag bit 0x01 are：
：020000040801F1
：0100200001DE.
Step S205, in the 3rd Hex files add end of identification information；
It is the effective letter in a Hex files and the 2nd Hex files due to copying to the information in the 3rd Hex files
Breath, so, in addition it is also necessary to addition end of identification information in the 3rd Hex files.
In addition, if want to add other product informations, such as device number, date of manufacture etc. in Flash, can be according to mark
The mode of will position is added in the 3rd Hex files.
Step S206, by the information in the 3rd Hex files and a Hex files and the 2nd Hex files
In effective information contrasted, judge the 3rd Hex files whether comprising a Hex files and the 2nd Hex
Effective information in file, if so, performing step S207；
Due to the effective information in the effective information and the 2nd Hex files in a Hex files is being merged into the 3rd Hex
When in file, it is possible to there is the destruction to effective information caused by maloperation, so, compiled using the 3rd Hex files
, it is necessary to pass through transcription comparison's instrument by the information of the 3rd Hex file kinds and a Hex files and the 2nd Hex files before journey
Effective information contrasted, with judging whether to contain in the 3rd Hex files a Hex files and the 2nd Hex files
Effective information.
Step S207, by ISP modes, using the 3rd Hex files to Bootloader areas and described
Application areas program.
Optionally, the execution of the step of implementation procedure of step S201-S203 is provided with above-described embodiment S101-S103
Cheng Xiangtong, about the detailed process of step S201-S203, refers to the above-mentioned description to step S101-S103, does not do superfluous herein
State.
The technical scheme that the embodiment of the present application is provided, by creating the 3rd Hex files, and by a Hex files and second
In Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that only by ISP modes to Bootloader areas and Application
Area is programmed, and with the time that this programming process for saving electronic product expends, improves production efficiency.In addition, using this
The scheme of embodiment, the flag bit that can be needed according to the addition of the demand of user, improves Consumer's Experience.
Refer to Fig. 3, a kind of structural representation of the online programming device that Fig. 3 is provided for the embodiment of the present application, the device
The implementation procedure of method in the corresponding embodiment of course of work reference picture 1 of each unit in structural representation, the device includes：
First acquisition unit 301, for obtaining a Hex files and the 2nd Hex files；
Second acquisition unit 302, for obtaining effective information and the 2nd Hex files in a Hex files
In effective information, used information when the effective information is programming；
Creating unit 303, for creating the 3rd Hex files, the 3rd Hex files include the effective information；
Programming unit 304, for by ISP modes, using the 3rd Hex files to the Bootloader areas and institute
State the programming of Application areas.
The technical scheme that the embodiment of the present application is provided, by creating the 3rd Hex files, and by a Hex files and second
In Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that only by ISP modes to Bootloader areas and Application
Area is programmed, and with the time that this programming process for saving electronic product expends, improves production efficiency.
Refer to Fig. 4, a kind of structural representation of the online programming device that Fig. 4 is provided for the embodiment of the present application, the device
The implementation procedure of method in the corresponding embodiment of course of work reference picture 2 of each unit in structural representation, the device includes：
First acquisition unit 401, for obtaining a Hex files and the 2nd Hex files；
Second acquisition unit 402, for obtaining effective information and the 2nd Hex files in a Hex files
In effective information, used information when the effective information is programming；
Creating unit 403, for creating the 3rd Hex files, the 3rd Hex files include the effective information；
First adding device 404, for by ISP modes, using the 3rd Hex files to the Bootloader areas
And before Application areas programming, according to the implementation of the IAP being pre-designed, to adding in the 3rd Hex files
Plus meet the flag bit that Hex files specify.
Second adding device 405, for addition end of identification information in the 3rd Hex files.
Judgment sub-unit 406, for by the information in the 3rd Hex files and a Hex files and described
Whether the effective information in two Hex files is contrasted, judge the 3rd Hex files comprising in a Hex files
Effective information in effective information and the 2nd Hex files.
Programming unit 407, for by ISP modes, using the 3rd Hex files to the Bootloader areas and institute
State the programming of Application areas.
The technical scheme that the embodiment of the present application is provided, by creating the 3rd Hex files, and by a Hex files and second
In Hex Piece file mergences to the 3rd Hex files, it is achieved thereby that only by ISP modes to Bootloader areas and Application
Area is programmed, and the time spent by the programming process of electronic product is saved with this, improves production efficiency.In addition, using
The scheme of the present embodiment, the flag bit that can be needed according to the addition of the demand of user, improves Consumer's Experience.
For device or system embodiment, because it essentially corresponds to embodiment of the method, so related part referring to
The part explanation of embodiment of the method.Device or system embodiment described above is only schematical, wherein described
The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be with
It is or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can
The purpose of this embodiment scheme is realized to select some or all of module therein according to the actual needs.This area is common
Technical staff is without creative efforts, you can to understand and implement.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method are not having
Have more than in spirit and scope, can realize in other way.Current embodiment is a kind of exemplary
Example, should not be taken as limitation, given particular content should in no way limit the purpose of the application.For example, the unit or
The division of subelement, only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple single
Unit or multiple subelements combine.In addition, multiple units can with or component can combine or be desirably integrated into another and be
System, or some features can be ignored, or not perform.
In addition, the schematic diagram of described system, apparatus and method and different embodiments, without departing from scope of the present application
It is interior, can be combined or integrated with other systems, module, techniques or methods.Another, shown or discussed coupling each other
Close or direct-coupling or communication connection can be the INDIRECT COUPLING or communication connection of device or unit by some interfaces, can be with
It is electrical, mechanical or other forms.
The above is only specific embodiment of the invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of online programming method, it is characterised in that including：
Obtain a Hex files and the 2nd Hex files；
Obtain the effective information in a Hex files and the effective information in the 2nd Hex files, the effective information
Used information during for programming；
The 3rd Hex files are created, the 3rd Hex files include the effective information and described second in a Hex files
Effective information in Hex files；
The Bootloader areas and the Application areas are programmed by ISP modes, using the 3rd Hex files.
2. method according to claim 1, it is characterised in that by ISP modes, using the 3rd Hex files to institute
Before stating Bootloader areas and Application areas programming, also include：
According to the implementation of the IAP being pre-designed, the mark that Hex files specify is met to addition in the 3rd Hex files
Position.
3. method according to claim 2, it is characterised in that also include：
To addition end of identification information in the 3rd Hex files.
4. according to the method in claim 2 or 3, it is characterised in that also include：
Judge whether the information in the 3rd Hex files is effective；
If so, perform by ISP modes, using the 3rd Hex files to Bootloader areas and described
The step of Application areas program.
5. method according to claim 4, it is characterised in that whether the information judged in the 3rd Hex files
Effectively, including：
Information in the 3rd Hex files and the effective information in a Hex files and the 2nd Hex files are entered
Whether row contrast, judge the 3rd Hex files comprising effective information and the 2nd Hex text in a Hex files
Effective information in part.
6. a kind of online programming device, it is characterised in that including：
First acquisition unit, for obtaining a Hex files and the 2nd Hex files；
Second acquisition unit, it is effective in effective information and the 2nd Hex files in a Hex files for obtaining
Information, effective information information used when being programming；
Creating unit, for creating the 3rd Hex files, the 3rd Hex files include the effective letter in a Hex files
Effective information in breath and the 2nd Hex files；
Programming unit, for by ISP modes, using the 3rd Hex files to Bootloader areas and described
Application areas program.
7. device according to claim 6, it is characterised in that also include：
First adding device, for by ISP modes, using the 3rd Hex files to Bootloader areas and described
Before the programming of Application areas, according to the implementation of the IAP being pre-designed, meet to being added in the 3rd Hex files
The flag bit that Hex files specify.
8. device according to claim 7, it is characterised in that also include：
Second adding device, for addition end of identification information in the 3rd Hex files.
9. the device according to claim 7 or 8, it is characterised in that also include：
Judging unit, it is whether effective for judging the information in the 3rd Hex files；
Execution unit, during for determining that the information in the 3rd Hex files is effective when the judging unit, performing and passing through ISP
Mode, the step of programmed to the Bootloader areas and the Application areas using the 3rd Hex files.
10. device according to claim 9, it is characterised in that the judging unit, including：
Judgment sub-unit, for by the information in the 3rd Hex files and a Hex files and the 2nd Hex texts
Whether the effective information in part is contrasted, judge the 3rd Hex files comprising the effective information in a Hex files
And the effective information in the 2nd Hex files.
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| KEVIN_TSAI: ""如何把两个*.hex合并成一个*.hex?在写IAP/Bootloaser很有用哦（转载的）"", 《HTTP://BLOG.SINA.COM.CN/S/BLOG_74E08CC001012BJY.HTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315730A (en) * | 2017-07-07 | 2017-11-03 | 飞天诚信科技股份有限公司 | A kind of online byte editing machine and its method of work |
| CN107800786A (en) * | 2017-10-20 | 2018-03-13 | 南京晓庄学院 | A kind of intelligent terminal remote upgrade breakpoint transmission method |
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Application publication date: 20170623 |