CN107800786A - A kind of intelligent terminal remote upgrade breakpoint transmission method - Google Patents
A kind of intelligent terminal remote upgrade breakpoint transmission method Download PDFInfo
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- CN107800786A CN107800786A CN201710981149.6A CN201710981149A CN107800786A CN 107800786 A CN107800786 A CN 107800786A CN 201710981149 A CN201710981149 A CN 201710981149A CN 107800786 A CN107800786 A CN 107800786A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention discloses a kind of intelligent terminal remote upgrade breakpoint transmission method, the FEH of 14 bytes is sent first, to notify to specify the device (being referred to as " slave station ") of address code to prepare to receive data, the data frame containing different control codes is then sent to, and wait the response of slave station.The data frame format that stipulations are specified, wherein 68H are bebinning character, and A is address field, and C shows the source of message and the relation of front and rear message, and the function of control message；L illustrates length of the data field in units of double byte, and 2 L of setting are compared, and strengthens reliability, and CS be then from start-of-frame to check code before all byte moulds 256 sum, ensure to transmit the correctness of data；The present invention gives a kind of intelligent terminal remote upgrade breakpoint transmission method, ensure that remote upgrade operation is reliable, improves upgrading efficiency and security；And security is fine, reach the reliable purpose of remote upgrade；It is practical, use easy to spread.
Description
Technical field
The present invention relates to intelligent terminal remote upgrade technical field, specially a kind of intelligent terminal remote upgrade breakpoint transmission
Method.
Background technology
The embedded software of intelligent terminal needs to upgrade, and traditional solution method is manufacturer technical staff to live people
Work programming program, or by serial ports ISP online programmings more new procedures, also there is the upgrading platform by switch to oneself to enter again
Row remote upgrade, but upgrading efficiency is low, and reliability is not high, and abnormal conditions also need on-site maintenance sometimes, especially to substantial amounts of
When the scattered equipment in region is upgraded, workload is very big, and system is difficult management.Thorium is to this case, it is necessary to have a kind of remote
Journey upgrades breakpoint transmission method, to improve the efficiency of remote upgrade and security.
The content of the invention
It is an object of the invention to provide a kind of intelligent terminal remote upgrade breakpoint transmission method, solve in background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of intelligent terminal remote upgrade breakpoint transmission side
Method, specifically comprise the following steps：
S1, startup program and main program：
Programming incorporates two programs to the program of voltage monitoring instrument：Boot.hex and main.hex；Boot.hex is to open
Dynamic program, since 0x0, major function is start address during compiling：Active flag position (4 bytes) is seen when upper electric, is such as entirely
0xAA, then into main program main.hex, as being full 0x55, then the new main.hex programs transmitted by GPRS are covered
The main.hex of the past；
Main.hex is main program, is program to be upgraded, during compiling start address since 0x2000 (if need not
Upgrade function, since start address being 0x0, it is not necessary to boot.hex), the function of voltage monitoring instrument is mainly realized,
Merge two HEX files boot.hex and main.hex into a file dy-main.hex, merge as follows：
Boot heads
Boot bodies address is since 0
Main bodies address is since 0x2000
Main tails
Dy-main.hex is the voltage monitoring instrument program for having IAP functions, prior programming into LPC2136, long-range to rise
Level is to be transmitted through main.hex to be upgraded by main website in fact；
S2, file data packing：
1) main website reads main.hex according to 2.3, reads total line number RowNum, calculates total message number TotalNum, and 16
Row breaks into a bag.The c program for calculating total message number is as follows：
// total message number=total line number-subtracts two row end to end
RowNum=RowNum-2；
// calculate total message number
If (RowNum%16==0)
TotalNum=(RowNum/16)；
else
TotalNum=(RowNum/16)+1；
2) each row of data ASC code characters are converted into changing into heuristicimal code, 16 rows of bag, by the form of form 5, file
Data deposit 16 row data, and common 16*16=256 bytes, last column may be less than 256 bytes；
3) sent datagram by 2.2 File Communication stipulations；
4) 2 bytes are added after last frame packet, are whole file data verification and CS；
5) terminal receives all messages, verification and the CS1 of all message datas is calculated, if CS1 is equal to CS1, file
Transmission is correct；
S3, file breakpoint transmission：
One file of transmission shares n message, and message indicates from F1-Fn, initial mark Fi=0 from S1-Sn, message transmission
(i=1, n)；Upgrading platform begins through GPRS from S1 and starts downward message, downward message Si, such as receives correct response report
Text, then start and issue next message, juxtaposition mark Fi=1；Such as receive errored response message or receive overtime (10 seconds), then
Again pass identical message, retransmit at most three times after can't such as receive correct response message, then next message is passed under continuing,
Juxtaposition mark Fi=0；Until issuing last message Sn, after such as receiving correct response message, upgrading platform checks all reports
Whether text mark Fi (i=1, n) is 1, and Si is breakpoint if Fi is 0；Said process is repeated, carries out breakpoint transmission, until all
Message flag is 1；Finally compare verification and update ROMPaq if correct；
S4, file safe transmission：
Remote upgrade file is the operation of an excessive risk, and escalation process must be controlled strictly, it is necessary to pay attention to upgrading efficiency,
Need distributed to great amount of terminals in practical application while upgrade, the problems such as more being impermissible for crashing；In systems, file liter
The security of level mainly takes utilising techniques：1) a corresponding region-position code+terminal address code of each voltage monitoring instrument, it is being
It is unique in system, front end processor root Ju address code realizes synchronous upgrading by multithreading；2) it is first during front end processor connection terminal
First pass through stipulations function code AFN=06H and carry out authentication；3) during transmitting message, each message has check code, ensures message
Correctness；4) after message transmissions terminate, verification comparison is carried out to whole file, ensures the integrality of upgrade file；5) file school
After testing correctly, mark is put into 4 0x55, restarts terminal, boot program is then replaced new procedures, replaced as found to be masked as 4 0x55
Renew after the completion of program and mark is set to 4 0xAA, ensure that updating operation is correctly completed；6) finally, main website is by reading version
This number is finally confirmed；Pass through above-mentioned upgrading.
Beneficial effect
Compared with prior art, the beneficial effects of the invention are as follows：This paper pins are based on ARM voltage monitoring instrument remote upgrade work(
It can be tested and be compared with the upgrade function of traditional voltage monitoring instrument, test result such as table 6 such as shows：
The upgrading test results contrast of table 6
From test result as can be seen that novel voltage monitor DV_IAP 50 station terminals of upgrading have only been used 28 minutes, and pass
The voltage monitoring instrument IAP of system upgrades 40 station terminals and but used 200 minutes, and DV_IAP upgradings efficiency increases substantially, prior
It is：Success rate reaches 100% from 95% to raising, and security is fine, reaches the reliable purpose of remote upgrade；Practicality
By force, use easy to spread.
Brief description of the drawings
Fig. 1 is file transmission and the breakpoint transmission flow chart of the present invention；
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：
A kind of intelligent terminal remote upgrade breakpoint transmission method, specifically comprises the following steps：
S1, startup program and main program：
Programming incorporates two programs to the program of voltage monitoring instrument：Boot.hex and main.hex；Boot.hex is to open
Dynamic program, since 0x0, major function is start address during compiling：Active flag position (4 bytes) is seen when upper electric, is such as entirely
0xAA, then into main program main.hex, as being full 0x55, then the new main.hex programs transmitted by GPRS are covered
The main.hex of the past；
Main.hex is main program, is program to be upgraded, during compiling start address since 0x2000 (if need not
Upgrade function, since start address being 0x0, it is not necessary to boot.hex), the function of voltage monitoring instrument is mainly realized,
Merge two HEX files boot.hex and main.hex into a file dy-main.hex, merge as follows：
Boot heads
Boot bodies address is since 0
Main bodies address is since 0x2000
Main tails
Dy-main.hex is the voltage monitoring instrument program for having IAP functions, prior programming into LPC2136, long-range to rise
Level is to be transmitted through main.hex to be upgraded by main website in fact；
S2, file data packing：
1) main website reads main.hex according to 2.3, reads total line number RowNum, calculates total message number TotalNum, and 16
Row breaks into a bag.The c program for calculating total message number is as follows：
// total message number=total line number-subtracts two row end to end
RowNum=RowNum-2；
// calculate total message number
If (RowNum%16==0)
TotalNum=(RowNum/16)；
else
TotalNum=(RowNum/16)+1；
2) each row of data ASC code characters are converted into changing into heuristicimal code, 16 rows of bag, by the form of form 5, file
Data deposit 16 row data, and common 16*16=256 bytes, last column may be less than 256 bytes；
3) sent datagram by 2.2 File Communication stipulations；
4) 2 bytes are added after last frame packet, are whole file data verification and CS；
5) terminal receives all messages, verification and the CS1 of all message datas is calculated, if CS1 is equal to CS1, file
Transmission is correct；
S3, file breakpoint transmission：
One file of transmission shares n message, and message indicates from F1-Fn, initial mark Fi=0 from S1-Sn, message transmission
(i=1, n)；Upgrading platform begins through GPRS from S1 and starts downward message, downward message Si, such as receives correct response report
Text, then start and issue next message, juxtaposition mark Fi=1；Such as receive errored response message or receive overtime (10 seconds), then
Again pass identical message, retransmit at most three times after can't such as receive correct response message, then next message is passed under continuing,
Juxtaposition mark Fi=0；Until issuing last message Sn, after such as receiving correct response message, upgrading platform checks all reports
Whether text mark Fi (i=1, n) is 1, and Si is breakpoint if Fi is 0；Said process is repeated, carries out breakpoint transmission, until all
Message flag is 1；Finally compare verification and update ROMPaq if correct；
S4, file safe transmission：
Remote upgrade file is the operation of an excessive risk, and escalation process must be controlled strictly, it is necessary to pay attention to upgrading efficiency,
Need distributed to great amount of terminals in practical application while upgrade, the problems such as more being impermissible for crashing；In systems, file liter
The security of level mainly takes utilising techniques：1) a corresponding region-position code+terminal address code of each voltage monitoring instrument, it is being
It is unique in system, front end processor root Ju address code realizes synchronous upgrading by multithreading；2) it is first during front end processor connection terminal
First pass through stipulations function code AFN=06H and carry out authentication；3) during transmitting message, each message has check code, ensures message
Correctness；4) after message transmissions terminate, verification comparison is carried out to whole file, ensures the integrality of upgrade file；5) file school
After testing correctly, mark is put into 4 0x55, restarts terminal, boot program is then replaced new procedures, replaced as found to be masked as 4 0x55
Renew after the completion of program and mark is set to 4 0xAA, ensure that updating operation is correctly completed；6) finally, main website is by reading version
This number is finally confirmed；Pass through above-mentioned upgrade technique and flow operations, it is ensured that the security of file remote upgrade.
Using State Grid data transfer stipulations Q/GDW 130-2005, stipulations also use the communication protocols of similar " session "
View, the FEH of 1~4 byte is sent first by the system (stipulations are referred to as " main website ") for being responsible for collection every time, to notify to specify address
The device (be referred to as " slave station ") of code prepares to receive data, is then sent to the data frame containing different control codes, and wait from
The response stood.The data frame format that stipulations are specified, as shown in table 1, wherein 68H are bebinning character, and A is address field, and C shows message
Source and front and rear message relation, and the function of control message；L illustrates length of the data field in units of double byte,
Setting 2 L be compared, strengthen reliability, and CS be then from start-of-frame to check code before all byte moulds 256 sum,
Ensure the correctness of transmission data.
The frame format of table 1
Frame format airlink address domain includes administrative region-position code+terminal address (voltage monitoring instrument address), for distribution
Send data and receive the unique mark of report；User data includes all user type data, passes through function code and data cell
Identify to distinguish different type user data, as shown in table 2：
The link user data frame format of table 2
The application function code AFN mainly used in remote upgrade is as shown in table 3
The application level function code implication of table 3
In AFN=0FH, data cell is as shown in table 4 using the data pattern of F1 files 1.
The file 1 of table 4
2) HEX files are parsed, packs and numbers, finally plus CRC check,
The byte of a line 16,16 rows of bag, the common 16*16=256 bytes of a message data, plus two byte CRC schools
Test.
3) CRC check is finally carried out again into all bags.
A CRC check is added after all message transmissions, ensures the integrality of whole HEX files.
4) multi-thread transmission, a message CRC error or message dropping is found, this this message is only transmitted, improves effect
Rate.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (1)
- A kind of 1. intelligent terminal remote upgrade breakpoint transmission method, it is characterised in that specifically comprise the following steps：S1, startup program and main program：Programming incorporates two programs to the program of voltage monitoring instrument：Boot.hex and main.hex；Boot.hex is to start journey Sequence, since 0x0, major function is start address during compiling：Active flag position (4 bytes) is seen when upper electric, is entirely such as 0xAA, Then enter main program main.hex, as being full 0x55, then cover the new main.hex programs transmitted by GPRS in the past Main.hex；Main.hex is main program, is program to be upgraded, during compiling start address since 0x2000 (if need not upgrade Function, since start address being 0x0, it is not necessary to boot.hex), the function of voltage monitoring instrument is mainly realized,Merge two HEX files boot.hex and main.hex into a file dy-main.hex, merge as follows：Boot headsBoot bodies address is since 0Main bodies address is since 0x2000Main tailsDy-main.hex is the voltage monitoring instrument program for having IAP functions, prior programming into LPC2136, remote upgrade its It is in fact to be transmitted through main.hex to be upgraded by main website；S2, file data packing：1) main website reads main.hex according to 2.3, reads total line number RowNum, calculates total message number TotalNum, 16 rows are beaten Into a bag.The c program for calculating total message number is as follows：2) each row of data ASC code characters are converted into changing into heuristicimal code, 16 rows of bag, by the form of form 5, file data 16 row data are deposited, common 16*16=256 bytes, last column may be less than 256 bytes；3) sent datagram by 2.2 File Communication stipulations；4) 2 bytes are added after last frame packet, are whole file data verification and CS；5) terminal receives all messages, calculates verification and the CS1 of all message datas, if CS1 is equal to CS1, file transmission Correctly；S3, file breakpoint transmission：One file of transmission shares n message, and message indicates from F1-Fn, initial mark Fi=0 (i=from S1-Sn, message transmission 1,n)；Upgrading platform begins through GPRS from S1 and starts downward message, downward message Si, such as receives correct response message, then Startup issues next message, juxtaposition mark Fi=1；Such as receive errored response message or receive overtime (10 seconds), then again Pass identical message, retransmit at most three times after can't such as receive correct response message, then next message, juxtaposition are passed under continuing Indicate Fi=0；Until issuing last message Sn, after such as receiving correct response message, upgrading platform checks all message marks Whether will Fi (i=1, n) is 1, and Si is breakpoint if Fi is 0；Said process is repeated, carries out breakpoint transmission, until all messages It is masked as 1；Finally compare verification and update ROMPaq if correct；S4, file safe transmission：Remote upgrade file is the operation of an excessive risk, and escalation process must be controlled strictly, it is necessary to pay attention to upgrading efficiency, it is actual Need distributed to great amount of terminals while upgrade in, the problems such as more being impermissible for crashing；In systems, document upgrading Security mainly takes utilising techniques：1) a corresponding region-position code+terminal address code of each voltage monitoring instrument, in systems It is unique, front end processor root Ju address code realizes synchronous upgrading by multithreading；2) it is logical first during front end processor connection terminal Cross stipulations function code AFN=06H and carry out authentication；3) during transmitting message, each message has check code, ensures the correct of message Property；4) after message transmissions terminate, verification comparison is carried out to whole file, ensures the integrality of upgrade file；5) file verification is being just After really, mark is put into 4 0x55, restarts terminal, boot program is then replaced new procedures, replaced new as found to be masked as 4 0x55 4 0xAA are set to after the completion of program and by mark, ensure that updating operation is correctly completed；6) finally, main website is by reading version number Finally confirmed；Pass through above-mentioned upgrade technique and flow operations, it is ensured that the security of file remote upgrade.
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Cited By (3)
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| CN111414176A (en) * | 2020-03-17 | 2020-07-14 | 上海辛格林纳新时达电机有限公司 | Program burning method, program burning device, electronic equipment and storage medium |
| CN111538515A (en) * | 2020-04-17 | 2020-08-14 | 杭州海兴电力科技股份有限公司 | Method, device and equipment for upgrading electric energy meter program |
| CN112181454A (en) * | 2020-09-21 | 2021-01-05 | 西安微电子技术研究所 | Remote upgrading system and method for unattended equipment |
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| CN112181454B (en) * | 2020-09-21 | 2023-04-07 | 西安微电子技术研究所 | Remote upgrading system and method for unattended equipment |
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