CN106844230A - A kind of method and device of refresh controller program - Google Patents
A kind of method and device of refresh controller program Download PDFInfo
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- CN106844230A CN106844230A CN201710093003.8A CN201710093003A CN106844230A CN 106844230 A CN106844230 A CN 106844230A CN 201710093003 A CN201710093003 A CN 201710093003A CN 106844230 A CN106844230 A CN 106844230A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
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Abstract
The invention provides a kind of method and device of refresh controller program, the method includes：Find the refreshing file of the hexadecimal format of external equipment storage；The first sector address row and first data class record row refreshed in file, or first linear address row and first data class record row are obtained, and is calculated initial address；Last the sector address row and last data type record row refreshed in file are obtained, or last linear address row and last data type record row, and it is calculated end address；According to initial address and end address, the size for refreshing file is calculated；According to the size for refreshing file, prepare the corresponding memory space of controller；File will be refreshed to send to memory space.The method and device that the present invention is provided, can be refreshed using the refreshing file of hexadecimal format to the program of controller.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of method and device of refresh controller program.
Background technology
, it is necessary to realize the refreshing of controller during automotive development stage or later maintenance, do not disassembled in vehicle
Upgrade controller application software or demarcation code, simple operation in the case of any part.Normal controller is according to refreshing file
To realize upgrading.
At present, the address of the refreshing file of controller is generally the file of S19 forms, for the refreshing of hexadecimal format
File, there is presently no the method for applicable refresh controller program.
The content of the invention
In view of this, the present invention provides a kind of method and device of refresh controller program, can use hexadecimal format
Refreshing file the program of controller is refreshed.
Specifically, including following technical scheme：
On the one hand, the invention provides a kind of method of refresh controller program, including：
Find the refreshing file of the hexadecimal format of external equipment storage；
Obtain the first sector address row and first data class record row refreshed in file, or first line
Property address line and first data class record row；
According to first sector address row and first data class record row, or described first linearly
Location row and first data class record row, are calculated initial address；
Obtain described last sector address row refreshed in file and last data type records row, or finally
One linear address row and described last data type record row；
According to described last sector address row and described last data type record row, or it is described last
Linear address row and described last data type record row, are calculated end address；
According to the initial address and the end address, the size of the refreshing file is calculated；
According to the size of the refreshing file, prepare the corresponding memory space of the controller；
The refreshing file that the external equipment is stored is sent to the memory space.
Selectively, it is described according to first sector address row and first data class record row, Huo Zhesuo
First linear address row and first data class record row are stated, initial address is calculated, including：
First sector address is obtained according to first sector address row, or is obtained according to first linear address row
First linear address, the first offset address is obtained according to first data class record row, and according to first paragraph ground
Location and first offset address, or according to first linear address and first offset address, it is calculated starting
Address.
Selectively, the computing formula of the initial address is：
Initial address=the first sector address or the first linear address move to left 4 offset address of binary-coded character+the first.
Selectively, last sector address row described in the basis and described last data type record row, or
Last linear address row described in person and described last data type record row, are calculated end address, including：
Second sector address is obtained according to described last sector address row, or according to described last linear address row
The second linear address is obtained, the second offset address and last data are obtained according to described last data type record row
The data length of class record row, and according to second sector address, second offset address and described last data
The data length of class record row, or according to second linear address, second offset address and it is described last
The data length of data type record row, is calculated end address.
Selectively, the computing formula of the end address is：
End address=the second sector address or the second linear address move to left 16 offset address of binary-coded character+the second+most
The latter data length -1 of data class record row.
Selectively, the computing formula of the size for refreshing file is：
Refresh the size=end address-initial address+1 of file.
On the other hand, present invention also offers a kind of device of refresh controller program, including：
Searching modul, the refreshing file of the hexadecimal format for finding external equipment storage；
First acquisition module, for obtaining first sector address row in the refreshing file and first data type note
Record row, or first linear address row and first data class record row；
First computing module, for according to first sector address row and first data class record row, or
First linear address row described in person and first data class record row, are calculated initial address；
Second acquisition module, for obtaining last sector address row and last data class in the refreshing file
Type record row, or last linear address row and described last data type record row；
Second computing module, for according to described last sector address row and described last data type record
OK, or described last linear address row and described last data type record row, be calculated end address；
3rd computing module, for according to the initial address and the end address, being calculated the refreshing file
Size；
Preparation module, for the size according to the refreshing file, prepares the corresponding memory space of the controller；
Sending module, the refreshing file for the external equipment to be stored is sent to the memory space.
Selectively, first computing module specifically for：
First sector address is obtained according to first sector address row, or is obtained according to first linear address row
First linear address, the first offset address is obtained according to first data class record row, and according to first paragraph ground
Location and first offset address, or according to first linear address and first offset address, it is calculated starting
Address.
Selectively, the computing formula of the initial address is：
Initial address=the first sector address or the first linear address move to left 4 offset address of binary-coded character+the first.
Selectively, second computing module specifically for：
Second sector address is obtained according to described last sector address row, or according to described last linear address row
The second linear address is obtained, the second offset address and last data are obtained according to described last data type record row
The data length of class record row, and according to second sector address, second offset address and described last data
The data length of class record row, or according to second linear address, second offset address and it is described last
The data length of data type record row, is calculated end address.
Selectively, the computing formula of the end address is：
End address=the second sector address or the second linear address move to left 16 offset address of binary-coded character+the second+most
The latter data length -1 of data class record row.
Selectively, the computing formula of the size for refreshing file is：
Refresh the size=end address-initial address+1 of file.
The beneficial effect of technical scheme provided in an embodiment of the present invention：
The method and device of the refresh controller program that the present invention is provided, finds the hexadecimal format of external equipment storage
Refreshing file, obtain the initial address and end address for refreshing file, and be calculated according to initial address and end address
Refresh the size of file；Prepare the corresponding memory space of controller according to the size for refreshing file afterwards, then will refresh text
Part sends the refreshing that director demon is completed to the memory space of controller.The method and device that the present invention is provided, can use
The refreshing file of hexadecimal format refreshes to the program of controller.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Accompanying drawing 1 is a kind of flow chart of the method for refresh controller program in one embodiment of the invention；
Accompanying drawing 2 is a part for the refreshing file of the hexadecimal format of X controllers in one embodiment of the invention；
Accompanying drawing 3 is a part for the refreshing file of the hexadecimal format of X controllers in one embodiment of the invention；
Accompanying drawing 4 is a part for the refreshing file of the hexadecimal format of X controllers in one embodiment of the invention；
Accompanying drawing 5 is for the corresponding memory space of refresh tool erasing in one embodiment of the invention and sends refreshing file to storage
The specific data flow in space；
Accompanying drawing 6 is a kind of block diagram of the device of refresh controller program in one embodiment of the invention.
Specific embodiment
To make technical scheme and advantage clearer, below in conjunction with accompanying drawing embodiment of the present invention is made into
One step ground is described in detail.
Embodiment one
Present embodiments provide a kind of method of refresh controller program, as shown in figure 1, including step S101, S102,
S103, S104, S105, S106, S107 and S108.Each step will be specifically introduced below.
Step S101：Find the refreshing file of the hexadecimal format of external equipment storage.
Specifically, external equipment can be storage device or refresh tool.It is general controller is carried out using refresh tool
Refresh, then can refresh file and store in refresh tool.Refresh tool finds needs according to the version of the program of controller
The refreshing file of hexadecimal format.
Before this step, it is necessary to the work for carrying out is as follows：Check the flush condition of controller；Refresh tool reads control
The software and hardware version of device is simultaneously shown, so that user reads and judges whether controller needs to refresh；In order to prevent vehicle institute
There is controller to store DTC in the refreshing stage, the DTC identification of closing control device, store function concede bus bar to refresh
Width, the conventional message transmission of closing control device.
Step S102：Obtain the first sector address row and first data class record row refreshed in file, Huo Zhe
One linear address row and first data class record row.
Specifically, refresh tool is according to the refreshing file of the hexadecimal format for finding and reads, and obtains and refreshes in file
First sector address row and first data class record row, or first linear address row and first data type note
Record row.
There are 3 kinds of different rows in the file of hexadecimal format：Address location row, code data row and ending mark row,
Per row format：LLAAAATTDDDDCC, wherein LL are length, i.e. the byte number of data division DDDD；AAAA is address, and representing should
The initial address of capable data, it is only meaningful in code data row, it is " 0000 " in remaining type row；TT is capable class
Type, 00 representative code data row, 01 represents ending mark row, and 02 represents sector address row, and 03 representative starts sector address row, and 04 represents
Linear address row, 05 represents the linear address line of beginning；CC be verification and domain, represent often row record verification and.By by the row
In the middle of record all 16 scale codings numeral to value be added, calculated for mould carries out following supplying with 256.In hexadecimal
In the refreshing file of form, sector address row and linear address row have and can only there is a type.
Step S103：According to first sector address row and first data class record row, or first linear address
Row and first data class record row, are calculated initial address.
Specifically, the first sector address, or first linear address are obtained according to first sector address row for refreshing file
Row obtains the first linear address, and the first offset address is obtained according to first data class record row, and according to the first sector address
With the first offset address, or according to the first linear address and the first offset address, initial address is calculated.
Wherein, the computing formula of initial address is：
Initial address=the first sector address or the first linear address move to left 4 binary-coded characters (1 hexadecimal character)+
First offset address.
As shown in Fig. 2 a part for the refreshing file for the hexadecimal format of X controllers.From Fig. 2 it is known that
The first sector address for refreshing file is 0000, and the first offset address is 2000, then initial address=0000 moves to left 4 binary words
Symbol (1 hexadecimal character)+2000=0x00002000.
Step S104：Last the sector address row and last data type record row refreshed in file are obtained, or
Last linear address row of person and last data type record row.
Specifically, refresh tool is according to the refreshing file of the hexadecimal format for finding and reads, in finding refreshing file
Last sector address row and last data type record row, or last linear address row and last number
According to class record row.
Step S105：Row, or last line are recorded according to last sector address row and last data type
Property address line and last data type record row, be calculated end address.
Second sector address is obtained according to last sector address row, or second is obtained according to last linear address row
Linear address, obtains the second offset address and last data type records row according to last data type record row
Length, and according to the length of the second sector address, the second offset address and last data type record row, or according to second
The length of linear address, the second offset address and last data type record row, is calculated end address.
The computing formula of end address is：
End address=the second sector address or the second linear address move to left 16 binary-coded characters (4 hexadecimal characters)
The data length -1 of the+the second offset address+last data type record row.
Fig. 3 is a part for the refreshing file of the hexadecimal format of X controllers.It is known that refreshing file from Fig. 3
The second sector address be 1000.
Fig. 4 is a part for the refreshing file of the hexadecimal format of X controllers.From Fig. 4 it is known that the second skew ground
Location is 5FF0, and the length of last data type record row is 10, then end address=1000 move to left 16 binary-coded characters
(4 hexadecimal characters)+5FF0+10-1=0x000125FFF.
Step S106：According to initial address and end address, the size for refreshing file is calculated.
The computing formula of size for refreshing file is：
Refresh the size=end address-initial address+1 of file.
The size of the refreshing file of X controllers is defined since 0, therefore without Jia 1.In international standard definition, brush
New address and refreshing size are started counting up from 0x00000001, now need Jia 1.
Size=the 0x000125FFF-0x00002000=0x00013FFF of the refreshing file of X controllers.
Step S107：According to the size for refreshing file, prepare the corresponding memory space of controller.
According to the size of the refreshing file being calculated, corresponding memory space is prepared in the controller.Specifically, can be with
It is the memory space of the blank of non-storage file, or the refreshing file of erasing legacy version, the corresponding space for cleaning out.
Step S108：The refreshing file that external equipment is stored is sent to the memory space of controller.
Before this step, it is necessary to controller response refresh requests.After controller response refresh requests, refresh tool will
The refreshing file of needs is sent to the corresponding memory space of controller being already prepared to, and completes the refreshing to director demon.
Fig. 5 is that refresh tool is wiped corresponding memory space and sends the specific data flow for refreshing file to memory space.
It should be noted that the form of the refreshing file of all of controller can be unified, hexadecimal lattice are
Formula, and the data length defined during refreshing file each row of data is recorded in data field is consistent, if the length of real data is not
Enough, then refresh tool calculates the length of reserved place data, and the polishing Default population value FF in refresh data.Then all controllers
A refurbishing procedure can be shared, the efficiency of controller refreshing can be improved.
The method of the refresh controller program that the present embodiment is provided, can be using the refreshing file of hexadecimal format to control
The program of device is refreshed.
Embodiment two
A kind of device of refresh controller program is present embodiments provided, as shown in fig. 6, including searching modul 201, first
Acquisition module 202, the first computing module 203, the second acquisition module 204, the second computing module 205, the 3rd computing module 206,
Preparation module 207 and sending module 208.Each module will be specifically introduced below.
Searching modul 201, the refreshing file of the hexadecimal format for finding external equipment storage.
Specifically, external equipment can be storage device or refresh tool.It is general controller is carried out using refresh tool
Refresh, then can refresh file and store in refresh tool.According to the version of the program of controller, find needs searching modul 201
The refreshing file of the hexadecimal format wanted.
, it is necessary to the work for carrying out is as follows before the lookup of searching modul 201：Check the flush condition of controller；Read control
The software and hardware version of device processed is simultaneously shown, so that user reads and judges whether controller needs to refresh；In order to prevent vehicle
All controllers are refreshing stage storage DTC, and the DTC identification of closing control device, store function concede bus to refresh
Bandwidth, the conventional message transmission of closing control device.
First acquisition module 202, for obtaining the first sector address row and first data type note that refresh in file
Record row, or first linear address row and first data class record row.
The refreshing file of the hexadecimal format that the first acquisition module 202 finds according to searching modul 201 simultaneously reads, and finds
The first sector address row and first data class record row refreshed in file, or first linear address row and first
Data type record row.
There are 3 kinds of different rows in the file of hexadecimal format：Address location row, code data row and ending mark row,
Per row format:LLAAAATTDDDDCC, wherein LL are length, i.e. the byte number of data division DDDD；AAAA is address, and representing should
The initial address of capable data, it is only meaningful in code data row, it is " 0000 " in remaining type row；TT is capable class
Type, 00 representative code data row, 01 represents ending mark row, and 02 represents sector address row, and 03 representative starts sector address row, and 04 represents
Linear address row, 05 represents the linear address line of beginning；CC be verification and domain, represent often row record verification and.By by the row
In the middle of record all 16 scale codings numeral to value be added, calculated for mould carries out following supplying with 256.Refreshing file
In, sector address row and linear address row have and can only there is a type.
First computing module 203, for according to first sector address row and first data class record row, or first
Individual linear address row and first data class record row, are calculated initial address.
First computing module 203 specifically for：First sector address row according to file is refreshed obtains the first sector address, or
First linear address row of person obtains the first linear address, and the first offset address is obtained according to first data class record row,
And according to the first sector address and the first offset address or according to the first linear address and the first offset address, be calculated
Beginning address.
Wherein, the computing formula of initial address is：
Initial address=the first sector address or the first linear address move to left 4 binary-coded characters (1 hexadecimal character)+
First offset address.
Second acquisition module 204, for obtaining last sector address row and last data class for refreshing in file
Type record row, or last linear address row and last data type record row.
Second acquisition module 204 is according to the refreshing file of the hexadecimal format for finding and reads, in finding refreshing file
Last sector address row and last data type record row, or last linear address row and last number
According to class record row.
Second computing module 205, for recording row according to last sector address row and last data type, or
Last linear address row and last data type record row, are calculated end address.
Second computing module 205 specifically for：Second sector address is obtained according to last sector address row, or according to most
Latter linear address row obtains the second linear address, according to last data type record row obtain the second offset address and
The data length of last data type record row, and according to the second sector address, the second offset address and last data
The data length of class record row, or recorded according to the second linear address, the second offset address and last data type
Capable data length, is calculated end address.
The computing formula of end address is：
End address=the second sector address or the second linear address move to left 16 binary-coded characters (4 hexadecimal characters)
The data length -1 of the+the second offset address+last data type record row.
3rd computing module 206, for according to initial address and end address, being calculated the size for refreshing file.
The computing formula of size for refreshing file is：
Refresh the size=end address-initial address+1 of file.
Preparation module 207, the corresponding memory space for preparing controller according to the size for refreshing file.
Preparation module 207 prepares corresponding memory space in the controller according to the size of the refreshing file being calculated.
Specifically, the memory space for preparing can be the memory space of the blank of non-storage file, or the brush of erasing legacy version
New file, the corresponding space for cleaning out.
Sending module 208, the refreshing file for external equipment to be stored is sent to the memory space of controller.
Before this, it is necessary to controller response refresh requests.After controller response refresh requests, sending module 208 will
The refreshing file of needs sends the refreshing that director demon is completed to the corresponding memory space of controller being already prepared to.
Because embodiment two is corresponding with embodiment one, the beneficial effect to be brought is identical, is no longer repeated herein.
In embodiment provided herein, it should be understood that the method and apparatus for being provided, only schematically
, for example, the division of the step and module, only a kind of division of logic function, can there is other drawing when actually realizing
The mode of dividing.The above method and device can run corresponding software and hardware to realize by computer installation.Term " first ",
" second " etc. is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply to indicate indicated skill
The quantity of art feature.
The above is for only for ease of it will be understood by those skilled in the art that technical scheme, is not used to limit
The present invention.All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in this
Within the protection domain of invention.
Claims (12)
1. a kind of method of refresh controller program, it is characterised in that including：
Find the refreshing file of the hexadecimal format of external equipment storage；
Obtain it is described refresh file in first sector address row and first data class record row, or first linearly
Location row and first data class record row；
According to first sector address row and first data class record row, or first linear address row
With first data class record row, initial address is calculated；
Obtain described last sector address row refreshed in file and last data type records row, or last
Linear address row and described last data type record row；
According to described last sector address row and described last data type record row, or described last is linear
Address line and described last data type record row, are calculated end address；
According to the initial address and the end address, the size of the refreshing file is calculated；
According to the size of the refreshing file, prepare the corresponding memory space of the controller；
The refreshing file that the external equipment is stored is sent to the memory space.
2. the method for refresh controller program according to claim 1, it is characterised in that described according to first section
Address line and first data class record row, or first linear address row and first data type
Record row, is calculated initial address, including：
First sector address is obtained according to first sector address row, or first is obtained according to first linear address row
Linear address, the first offset address is obtained according to first data class record row, and according to first sector address and
First offset address, or according to first linear address and first offset address, it is calculated initial address.
3. the method for refresh controller program according to claim 2, it is characterised in that the calculating of the initial address is public
Formula is：
Initial address=the first sector address or the first linear address move to left 4 offset address of binary-coded character+the first.
4. the method for refresh controller program according to claim 1, it is characterised in that described in the basis last
Sector address row and described last data type record row, or described last linear address row and it is described last
Data type record row, is calculated end address, including：
Second sector address is obtained according to described last sector address row, or is obtained according to described last linear address row
Second linear address, the second offset address and last data type are obtained according to described last data type record row
The data length of row is recorded, and according to second sector address, second offset address and described last data type
The data length of row is recorded, or according to second linear address, second offset address and described last data
The data length of class record row, is calculated end address.
5. the method for refresh controller program according to claim 4, it is characterised in that the calculating of the end address is public
Formula is：
End address=the second sector address or the second linear address move to left 16 offset address of binary-coded character+the second+last
The data length -1 of individual data class record row.
6. according to the method for the refresh controller program described in claim 1-5 any of which, it is characterised in that the refreshing
The computing formula of the size of file is：
Refresh the size=end address-initial address+1 of file.
7. a kind of device of refresh controller program, it is characterised in that including：
Searching modul, the refreshing file of the hexadecimal format for finding external equipment storage；
First acquisition module, for obtaining first sector address row and first data class record in the refreshing file
OK, or first linear address row and first data class record row；
First computing module, for according to first sector address row and first data class record row, Huo Zhesuo
First linear address row and first data class record row are stated, initial address is calculated；
Second acquisition module, last sector address row and last data type for obtaining in the refreshing file are remembered
Record row, or last linear address row and described last data type record row；
Second computing module, for being gone according to described last sector address row and described last data type record, or
Last linear address row described in person and described last data type record row, are calculated end address；
3rd computing module, for according to the initial address and the end address, being calculated the big of the refreshing file
It is small；
Preparation module, for the size according to the refreshing file, prepares the corresponding memory space of the controller；
Sending module, the refreshing file for the external equipment to be stored is sent to the memory space.
8. the device of refresh controller program according to claim 7, it is characterised in that first computing module is specific
For：
First sector address is obtained according to first sector address row, or first is obtained according to first linear address row
Linear address, the first offset address is obtained according to first data class record row, and according to first sector address and
First offset address, or according to first linear address and first offset address, it is calculated initial address.
9. the device of refresh controller program according to claim 8, it is characterised in that the calculating of the initial address is public
Formula is：
Initial address=the first sector address or the first linear address move to left 4 offset address of binary-coded character+the first.
10. the device of refresh controller program according to claim 7, it is characterised in that the second computing module tool
Body is used for：
Second sector address is obtained according to described last sector address row, or is obtained according to described last linear address row
Second linear address, the second offset address and last data type are obtained according to described last data type record row
The data length of row is recorded, and according to second sector address, second offset address and described last data type
The data length of row is recorded, or according to second linear address, second offset address and described last data
The data length of class record row, is calculated end address.
The device of 11. refresh controller programs according to claim 10, it is characterised in that the calculating of the end address
Formula is：
End address=the second sector address or the second linear address move to left 16 offset address of binary-coded character+the second+last
The data length -1 of individual data class record row.
The device of the 12. refresh controller program according to claim 7-11 any of which, it is characterised in that the brush
The computing formula of the size of new file is：
Refresh the size=end address-initial address+1 of file.
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