CN108446132A - A method of remotely updating electric power acquisition terminal software based on TFTP - Google Patents
A method of remotely updating electric power acquisition terminal software based on TFTP Download PDFInfo
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- CN108446132A CN108446132A CN201810261227.XA CN201810261227A CN108446132A CN 108446132 A CN108446132 A CN 108446132A CN 201810261227 A CN201810261227 A CN 201810261227A CN 108446132 A CN108446132 A CN 108446132A
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- electric power
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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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- 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]
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
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Abstract
The present invention relates to a kind of methods remotely updating electric power acquisition terminal software using TFTP, and the method includes a) upgrading the binary file and upgrade status information package that source code generates by local PC ending tools, generate upgrade file；B) IAP host computers are built and select the electric power acquisition terminal that need to be accessed, the upgrade file is remotely sent to by TFTP agreements by selected electric power acquisition terminal；C) upgrade file is resolved after the reception of above-mentioned electric power acquisition terminal, and the information according to parsing carries out the software upgrading operation of electric power acquisition terminal.Compared with the existing technology, method of the invention can improve the upgrading efficiency of electric power acquisition terminal, reduce time cost, and operation strategies are wide.
Description
Technical field
A kind of updating the present invention relates to smart machine field more particularly to remotely electric power acquisition terminal software based on TFTP
Method.
Background technology
Currently, measuring terminal is more commonly there are two types of upgrading modes：1, USB local upgrades；2, using message mode into
Row upgrading.
But there is certain limitation in both methods：The former only supports 1 pair of 1 upgrading, and upgrading efficiency is low and must be manually
The USB flash disk for carrying upgrade file is inserted into the USB flash disk mouth of electric power acquisition terminal, upgrading efficiency is low；Though high-volume may be implemented in the latter
Terminal upgrades simultaneously, but upgrades the spent time by upper main website and the co-determination of electric power acquisition terminal, and can send many reports
The redundant data of literary business causes update time longer.
Invention content
In view of the above problems, the purpose of the present invention is to provide a kind of electric power acquisition terminal software is remotely updated using TFTP
Method, this method can support high-volume terminal while upgrade, and rapidly and efficiently, and terminal can be supported to carry out the liter other than application layer
Grade operation.
To achieve the goals above, the technical solution adopted by the present invention is：It is a kind of remotely to update electric power acquisition using TFTP
The method of terminal software, it is characterised in that：The method includes,
A) binary file and upgrade status information package that source code generates will be upgraded by local PC ending tools, generates and rises
Grade file；
B) IAP host computers are built and select the electric power acquisition terminal that need to be accessed, by TFTP agreements by the upgrade file
It is long-range to be sent to selected electric power acquisition terminal；
C) upgrade file is resolved after the reception of above-mentioned electric power acquisition terminal, and the information according to parsing carries out electric power and adopts
Collect the software upgrading operation of terminal.
In order to which unrestricted choice needs the electric power acquisition terminal upgraded, the electric power acquisition terminal and local on host computer
PC machine is located at the same network segment, and the master ip address of the electric power acquisition terminal is the IP address of local PC machine.
Further, it is described a) in by local PC machine ending tool will upgrade source code generate binary source file with rise
Grade status information is packaged, and is generated upgrade file, is specifically included：
Local PC machine calculate upgrading source code generate binary file MD5 values and header CRC check, and with configuration
File type, filename and destination address in file form upgrade status information, by the upgrade status information and binary system
File is packaged into upgrade file with reference to 1K byte-aligned modes.
Further, it is described b) in build IAP host computers and select electric power acquisition terminal to be upgraded, assisted by TFTP
The upgrade file is remotely sent to selected electric power acquisition terminal by view, including：
The ports IP and the address of the electric power acquisition terminal that need to be accessed are inputted by IAP host computers；
IAP host computers create UDP clients, and the UDP clients are built according to the selected ports IP with electric power acquisition terminal
Vertical UDP connections, and upgrade file is handed down to by electric power acquisition terminal by TFTP agreements, you can realize electric power acquisition terminal upgrade
The remote transmission of file, it is convenient and efficient.
Further, it is described b) in the upgrade file is remotely sent to by TFTP agreements by selected electric power acquisition
Terminal, including：
The ports IP and upgrade file and TFTP, UDP message header are packaged under TFTP agreements by UDP clients
Hair.
Further, it is described b) in the upgrade file is remotely sent to by TFTP agreements by selected electric power acquisition
Terminal further includes：
When UDP clients issue TFTP agreements, sends writing system to selected electric power acquisition terminal and ask WRQ, and sentence
Whether selected electric power acquisition terminal of breaking has response, if there is response, continues to judge whether have TID information in response, if so, then
Carry out the transmission of upgrade file.
Further, the transmission for carrying out upgrade file includes selected electric power acquisition terminal replies acknowledgement frame and association
After the good TID of quotient, upgrade file is cut into the data packet of 512 bytes and increases corresponding packet serial number and sent by UDP clients,
It is sent if non-512 byte of data field is determined as last bag data.
Further, the method further includes before the step c),
Selected electric power acquisition terminal constantly monitors derived data, WRQ requests is judged whether there is, if so, then judging in WRQ
Whether the destination address and address of carrying are legal, if legal, the TID for replying acknowledgement frame and consulting, and receive transmission
The data to come over.
Further, it is described c) in the upgrade file through above-mentioned electric power acquisition terminal reception after be resolved, according to solution
The information of analysis carries out the software upgrading operation of electric power acquisition terminal, including：
Parsing after the upgrade file has been received by selected electric power acquisition terminal, and carry out upgrade status information
CRC16 is verified, the MD5 values of upgrade file verify and the verification of the size of upgrade file, after verifying qualification, to upgrade file class
Type is judged, carries out updating operation to the corresponding portion of selected electric power acquisition terminal accordingly.
Further, described that upgrade file type is judged, accordingly to the corresponding portion of selected electric power acquisition terminal
Progress updating operation is divided to specifically include：
If upgrade file type is application layer software update, selected electric power acquisition terminal is by the complete upgrade file of reception
It is transported to startup guiding file and application layer document upgrading exchange area, calling system is resetted executes upgrading by starting guiding file；
If the basic parameter that upgrade file type is electric power acquisition terminal updates, former storage parameter is removed
The FTL layers of nandflash, typing new parameter and resetting system makes new parameter come into force；
If the font file that upgrade file type is electric power acquisition terminal upgrades, former storage character library content is removed
The physical address block of nandflash, reset system simultaneously upgrade font file；
If upgrade file type is the routing module upgrading belonging to electric power acquisition terminal, selected electric power acquisition terminal passes through
Upgrade file subpackage is sent to affiliated routing module by serial ports, and upgrading is executed by routing module.
Compared with the prior art, the advantages of the present invention are as follows：By TFTP agreements required upgrading is sent to by software is upgraded
Electric power acquisition terminal, one-to-many upgrade service is realized, compared to previous one-to-one USB flash disk upgrade service and message mode
Upgrade service, while supporting high-volume terminal upgrade, updating speed is fast, and irredundant data, overcoming operating personnel needs hand
The trouble of continuous plug USB flash disk is moved, and electric power acquisition terminal can be supported to carry out other than application layer simultaneously, such as character library, parameter, carrier wave
The upgrading of transparent transmission upgrading etc., operation strategies are wide.
Description of the drawings
Fig. 1 is that the electric power acquisition terminal of an embodiment of the present invention is based on TFTP remotely newer system flow charts.
Fig. 2 is that the local PC ending tools of an embodiment of the present invention are packaged upgrade file flow chart.
Fig. 3 is that the local ends the PC IAP host computers of an embodiment of the present invention send the stream of upgrade file by TFTP agreements
Cheng Tu.
Fig. 4 is the updating operation flow chart of the electric power acquisition terminal of an embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
A kind of corresponding system of method remotely updating electric power acquisition terminal software using TFTP of the present invention includes local
PC machine end and electric power acquisition terminal are equipped with the local PC ending tools that upgrading source code can be packaged into upgrade file at local PC machine end
And the IAP host computers built, referring to Fig. 1, this method includes the concrete operations flow which is upgraded,
A) binary file and upgrade status information package that source code generates will be upgraded by local PC ending tools, generates and rises
Grade file；
B) IAP host computers are built and select the electric power acquisition terminal that need to be accessed, by TFTP agreements by the upgrade file
It is long-range to be sent to selected electric power acquisition terminal；
C) upgrade file is resolved after the reception of above-mentioned electric power acquisition terminal, and the information according to parsing carries out electric power and adopts
Collect the software upgrading operation of terminal.In order to which unrestricted choice needs the electric power acquisition terminal upgraded, the electric power on host computer
Acquisition terminal and local PC machine be located at the same network segment, and the master ip address of the electric power acquisition terminal is the IP of local PC machine
Location.
Wherein, it is described a) in by local PC machine ending tool will upgrade source code generate binary source file with upgrading shape
State information package generates upgrade file, specifically includes：
Local PC machine calculate upgrading source code generate binary file MD5 values and header CRC check, and with configuration
File type, filename and destination address in file form upgrade status information, by the upgrade status information and binary system
File is packaged into upgrade file with reference to 1K byte-aligned modes.Concrete operations flow is referring to Fig. 2.
Referring to Fig. 3, it is described b) in build IAP host computers and select electric power acquisition terminal to be upgraded, assisted by TFTP
The upgrade file is remotely sent to selected electric power acquisition terminal by view, including：
The ports IP and the address of the electric power acquisition terminal that need to be accessed are inputted by IAP host computers；
IAP host computers create UDP clients, and the UDP clients are built according to the selected ports IP with electric power acquisition terminal
Vertical UDP connections, and upgrade file is handed down to by electric power acquisition terminal by TFTP agreements.Electric power acquisition terminal can be realized in this way
The remote transmission of upgrade file, it is convenient and efficient.
Specifically, it is described b) in the upgrade file is remotely sent to by TFTP agreements by selected electric power acquisition
Terminal, including：
The ports IP and upgrade file and TFTP, UDP message header are packaged under TFTP agreements by UDP clients
Hair, and when UDP clients issue TFTP agreements, UDP clients can send writing system to selected electric power acquisition terminal and ask
WRQ is sought, and constantly whether monitoring other side has response, if there is response, judges whether there is TID information in response, if so, then UDP
Upgrade file can be cut into the data packet of 512 bytes and increase corresponding packet serial number and sent by client, if data field non-512
Byte is determined as last bag data and is sent.
As shown in figure 4, selected electric power acquisition terminal has also carried out following operation before receiving upgrade file：
Selected electric power acquisition terminal constantly monitors derived data, WRQ requests is judged whether there is, if so, then judging in WRQ
Whether the destination address and address of carrying are legal, if legal, the TID for replying acknowledgement frame and consulting, and receive transmission
The data to come over.
After having received to wear the upgrade file brought, it can be parsed, and in upgrade status information
The size of CRC16, the MD5 values of upgrade file and upgrade file are verified, if verification is qualified, can further judge to rise
Grade file type, to carry out updating operation to the corresponding portion of electric power acquisition terminal according to the type.
It is specifically, if described judge upgrade file type, accordingly to selected electric power acquisition terminal
Corresponding portion carries out updating operation and specifically includes：
If upgrade file type is application layer software update, selected electric power acquisition terminal is by the complete upgrade file of reception
It is transported to startup guiding file and application layer document upgrading exchange area, calling system is resetted executes upgrading by starting guiding file；
If the basic parameter that upgrade file type is electric power acquisition terminal updates, former storage parameter is removed
The FTL layers of nandflash, typing new parameter and resetting system makes new parameter come into force；
If the font file that upgrade file type is electric power acquisition terminal upgrades, former storage character library content is removed
The physical address block of nandflash, reset system simultaneously upgrade font file；
If upgrade file type is the routing module upgrading belonging to electric power acquisition terminal, selected electric power acquisition terminal passes through
Upgrade file subpackage is sent to affiliated routing module by serial ports, and upgrading is executed by routing module.
In this way, will upgrade software by TFTP agreements is sent to the required electric power acquisition terminal upgraded, a pair is both realized
More terminal upgrade services, it is ensured that updating speed, and irredundant data generate, and upgrade clothes compared to previous one-to-one USB flash disk
Business and message mode upgrade service, it is time saving and energy saving, while this method can support other position liters other than terminal applies layer simultaneously
Grade, such as the upgrading of character library, parameter, carrier wave transparent transmission upgrading, operation strategies are wide.
Certainly, a kind of specific embodiment that above are only the present invention, other than above-mentioned improvement, other are similar to change
Into being also contained in the improvement threshold of the present invention, just do not repeating herein.While there has been shown and described that implementation of the invention
Example, it will be appreciated by those skilled in the art that：It without departing from the principle and spirit of the present invention can be to these embodiments
A variety of variations are carried out, modification, replaces and deforms, the scope of the present invention is limited by claim and its equivalent.
Claims (10)
1. a kind of method remotely updating electric power acquisition terminal software using TFTP, it is characterised in that：The method includes,
A) binary file and upgrade status information package that source code generates will be upgraded by local PC ending tools, generates upgrading text
Part；
B) IAP host computers are built and select the electric power acquisition terminal that need to be accessed, it is by TFTP agreements that the upgrade file is long-range
It is sent to selected electric power acquisition terminal；
C) upgrade file is resolved after the reception of above-mentioned electric power acquisition terminal, and it is whole that the information according to parsing carries out electric power acquisition
The software upgrading at end operates.
2. according to the method described in claim 1, it is characterized in that：
The electric power acquisition terminal is located at the same network segment with local PC machine, and the master ip address of the electric power acquisition terminal is local
The IP address of PC machine.
3. according to the method described in claim 2, it is characterized in that：
It is described a) in beaten by local PC machine ending tool by binary source file and upgrade status information that source code generates is upgraded
Packet generates upgrade file, specifically includes,
MD5 values and the header CRC check of the binary file that upgrading source code generates, and and configuration file are calculated in local PC machine
In file type, filename and destination address form upgrade status information, by the upgrade status information and binary file
It is packaged into upgrade file with reference to 1K byte-aligned modes.
4. according to the method described in claim 3, it is characterized in that：
It is described b) in build IAP host computers and select electric power acquisition terminal to be upgraded, by TFTP agreements by the upgrading
File is remotely sent to selected electric power acquisition terminal, including,
The ports IP and the address of the electric power acquisition terminal that need to be accessed are inputted by IAP host computers；
IAP host computers create UDP clients, and the UDP clients establish UDP according to the selected ports IP and electric power acquisition terminal
Connection, and upgrade file is handed down to by electric power acquisition terminal by TFTP agreements, you can realize electric power acquisition terminal upgrade file
Remote transmission, it is convenient and efficient.
5. according to the method described in claim 4, it is characterized in that：It is described b) in by TFTP agreements by the upgrade file
It is remotely sent to selected electric power acquisition terminal, including：
The ports IP and upgrade file and TFTP, UDP message header are packaged into TFTP agreements and issued by UDP clients.
6. according to the method described in claim 5, it is characterized in that：
It is described b) in the upgrade file is remotely sent to by TFTP agreements by selected electric power acquisition terminal, further include,
When UDP clients issue TFTP agreements, sends writing system to selected electric power acquisition terminal and ask WRQ, and judge institute
Whether the electric power acquisition terminal of choosing has response, if there is response, continues to judge whether have TID information in response, if so, then carrying out
The transmission of upgrade file.
7. according to the method described in claim 6, it is characterized in that：
The transmission for carrying out upgrade file includes, after selected electric power acquisition terminal replies acknowledgement frame and the TID consulted,
Upgrade file is cut into the data packet of 512 bytes and increases corresponding packet serial number and sent by UDP clients, if data field is non-
512 bytes are determined as last bag data and are sent.
8. according to the method described in claim 6, it is characterized in that：The method further includes before the step c),
Selected electric power acquisition terminal constantly monitors derived data, WRQ requests is judged whether there is, if so, then judging to carry in WRQ
Destination address and address it is whether legal, if legal, the TID for replying acknowledgement frame and consulting, and receive send
Data.
9. according to the method described in claim 8, it is characterized in that：
It is described c) in the upgrade file through above-mentioned electric power acquisition terminal reception after be resolved, according to parsing information carry out electricity
The software upgrading of power acquisition terminal operates, including,
Parsing after the upgrade file has been received by selected electric power acquisition terminal, and carry out the schools CRC16 of upgrade status information
It tests, the verification of the MD5 values of upgrade file and the size verification of upgrade file carry out upgrade file type after verifying qualification
Judge, updating operation is carried out to the corresponding portion of selected electric power acquisition terminal accordingly.
10. according to the method described in claim 9, it is characterized in that：
It is described that upgrade file type is judged, updating operation is carried out to the corresponding portion of selected electric power acquisition terminal accordingly
It specifically includes,
If upgrade file type updates for application layer software, selected electric power acquisition terminal carries the complete upgrade file of reception
To guiding file and application layer document upgrading exchange area is started, calling system is resetted executes upgrading by starting guiding file；
If the basic parameter that upgrade file type is electric power acquisition terminal updates, remove the nandflash's of former storage parameter
FTL layers, typing new parameter and resetting system makes new parameter come into force；
If the font file that upgrade file type is electric power acquisition terminal upgrades, the nandflash of former storage character library content is removed
Physical address block, reset system simultaneously upgrades font file；
If upgrade file type is the routing module upgrading belonging to electric power acquisition terminal, selected electric power acquisition terminal passes through serial ports
Upgrade file subpackage is sent to affiliated routing module, upgrading is executed by routing module.
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| CN109857433A (en) * | 2019-01-15 | 2019-06-07 | 四川虹美智能科技有限公司 | A kind of scm software upgrading tool and method |
| CN111049932A (en) * | 2019-12-27 | 2020-04-21 | 宁波安信数控技术有限公司 | DTU-based manipulator system file remote upgrading method and system |
| CN112083940A (en) * | 2020-07-29 | 2020-12-15 | 宁波三星医疗电气股份有限公司 | Power acquisition terminal remote upgrading method based on state cryptographic algorithm |
| CN112099839A (en) * | 2020-05-29 | 2020-12-18 | 宁波三星医疗电气股份有限公司 | Method for software generalization of electric power acquisition terminal |
| CN113489794A (en) * | 2021-07-07 | 2021-10-08 | 智洋创新科技股份有限公司 | Communication interaction method for intelligent identification master station and intelligent station end equipment of transformer substation |
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