CN110119281A - A kind of electric energy meter software modularization upgrading method and electric energy meter system - Google Patents
A kind of electric energy meter software modularization upgrading method and electric energy meter system Download PDFInfo
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- CN110119281A CN110119281A CN201810124992.7A CN201810124992A CN110119281A CN 110119281 A CN110119281 A CN 110119281A CN 201810124992 A CN201810124992 A CN 201810124992A CN 110119281 A CN110119281 A CN 110119281A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1433—Saving, restoring, recovering or retrying at system level during software upgrading
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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
Abstract
The present invention relates to a kind of electric energy meter software modularization upgrading method and electric energy meter systems, belong to electric energy meter system technical field.Electric energy meter software is carried out module division according to the function of electric energy meter by the present invention, each functional module compiles generation module file, the application program memory space of electric energy meter software is divided, obtain at least two storage subspaces, each modularization file is upgraded to corresponding storage subspace respectively, so that the independent upgrading to each module is realized, without whole updating program after wiping the area single-chip microcontroller ROM of electric energy meter, upgrading mode is simple, and upgrading efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of electric energy meter software modularization upgrading method and electric energy meter systems, belong to electric energy meter system technology
Field.
Background technique
After electric energy meter starting, loading procedure code and the operation of CE (electrical energy measurement unit) code from flash memory (Flash),
The R & D design stage, can by emulator by compiled good burning program into the flash memory of chip, thus realize to program
Update upgrading, in the electric energy meter production phase, by dedicated cd-rom recorder by program burn writing into chip, after electric energy meter factory,
It, then can only be by being operated after returning factory when needing upgrade procedure if there is particular/special requirement.Although the prior art is in programming
Stage can easily carry out updating operation to electric energy list procedure, but after electric energy meter production phase and its factory, if there is upgrading to need
It asks, separate unit electric energy meter can only successively be upgraded by cd-rom recorder, operation is very troublesome, especially when electric energy meter is installed to
After huge numbers of families, if update to be upgraded, needs all electric energy meters returning factory, then be upgraded, or going
To the installation site of everywhere ammeter, lead sealing of dismantling is upgraded by specific purpose tool, and upgrade cost is huge.
For this purpose, it is proposed that online upgrading mode, for example, publication No. is the patent application document of CN106953902A,
This document disclose a kind of electric energy meter firmware upgrade method and device, this method carries electric energy meter mark by sending in ad hoc network
Know the broadcast message for obtaining order, receives the electric energy for broadcasting the message and reporting described in other electric energy meter mark responses in the ad hoc network
Table mark；It indicates to send upgrade command and firmware file according to the electric energy meter, makes the other electric energy meters for corresponding to electric energy meter mark
Upgrade command and firmware file are received, executes the firmware upgrade process of itself automatically, to pass through triggering one in ad hoc network
Other electric energy meter upgradings are realized in the upgrading of platform electric energy meter.Although the program can be realized online upgrading, provide upgrading efficiency, but
It is not provide specific escalation process, and current online upgrading is all whole after wiping the area single-chip microcontroller ROM of electric energy meter
More new procedures cause original function failure etc. after having easily caused a function perfect so that electric energy meter software management work is many and diverse
Problem.
Summary of the invention
The object of the present invention is to provide a kind of electric energy meter software modularization upgrading methods, to solve current electric energy meter software liter
Grade process, which can only integrally upgrade, causes escalation process complicated, easily causes original function Problem of Failure；The present invention also provides one kind
Electric energy meter system.
The present invention provides a kind of electric energy meter software modularization upgrading method to solve above-mentioned technical problem, including with lower section
Case, method scheme one: the modularization upgrading method the following steps are included:
1) electric energy meter application program is subjected to modular division by program function, the application program of electric energy meter software is stored
Space is divided, and at least two storage subspaces are obtained, and is respectively used to each functional module of storage electric energy meter application program；
2) file destination of functional module each in the application program of electric energy meter is compiled into the specified of corresponding storage subspace
Initial address；
3) upgrade file of electric energy meter function of application module to be upgraded is stored in the corresponding upgrading of storage chip
Region, and upgrade file in the upgrade area of storage chip will be put into and be carried to corresponding storage subspace, to the functional module
Upgraded.
Electric energy meter software is carried out module division according to the function of electric energy meter by the present invention, and each functional module compiling generates mould
Each modularization file is upgraded to the designated storage area of electric energy meter singlechip by block file respectively, to realize to each module
Independent upgrading, without whole updating program after wiping the area single-chip microcontroller ROM of electric energy meter, upgrading mode is simple, upgrades efficiency
It is greatly improved.
Method scheme two: on the basis of method scheme one, application program memory space is using indirect in the step 1)
Addressing system carries out space distribution.
Method scheme three: on the basis of method scheme two, space assigning process is carried out using indirect addressing mode are as follows: adopt
It is that each function of application module is empty in corresponding storage with the entry address of each function of application module of Boot application definition
Between in initial position, using function of application module entry address to each application program carry out updating operation.
The present invention carries out space distribution by indirect addressing mode, modifies corresponding variable when functional module position change
Value, it is convenient to realize, so that upgrading efficiency is further enhanced.
Method scheme four: on the basis of method scheme one, the upgrade file in the upgrade area that will be put into storage chip
Before being carried to corresponding storage subspace, the electric energy meter function of application module is backed up to the corresponding backup area of storage chip
Domain.
The contents of program of functional module is now backed up before upgrading to functional module, prevents escalation process by the present invention
There is exception, causes the functional module to be damaged, influence whole system, improve upgrading reliability.
Method scheme five: on the basis of method scheme one, by electric energy meter function of application module to be upgraded
When upgrade file is stored in the upgrade area of storage chip, the upgrade file of storage need to be verified.By to upgrade file
Verification, further improve the reliability of upgrading.
Method scheme six: it on the basis of method scheme five, if upgrade file verification is correct, is stored in the upgrade file
The specified region of position, which increases, upgrades successfully mark.
Method scheme seven: on the basis of method scheme six, detect upgrade successfully mark when, backup power table application
Program function module backs up region to storage chip, and removes and upgrade successfully mark accordingly.
Method scheme eight: on the basis of method scheme four, when function of application module needs to be restored to after upgrading
When before upgrading, the function of application module in corresponding backup region is copied into corresponding upgrade area, realizes and journey is applied to this
The recovery of sequence.
The present invention also provides a kind of electric energy meter system, including following scheme, system schema one: including singlechip chip,
Storage chip and the Boot program and electric energy meter application program of operation, the electric energy meter application program are carried out by program function
The application program memory space of modular division, electric energy meter software is divided, and is obtained at least two storage subspaces, is used respectively
In each functional module of storage electric energy meter application program；The file destination of each functional module is compiled in the application program of electric energy meter
To the specified initial address of corresponding storage subspace；The upgrade file of electric energy meter function of application module to be upgraded is stored
To the corresponding upgrade area of storage chip, it is stored in upgrade file in the upgrade area of storage chip and is carried to corresponding storage
Subspace.
System schema two: on the basis of system schema one, application program memory space is carried out using indirect addressing mode
Space distribution.
System schema three: on the basis of system schema two, space assigning process is carried out using indirect addressing mode are as follows: adopt
It is that each function of application module is empty in corresponding storage with the entry address of each function of application module of Boot application definition
Between in initial position, using function of application module entry address to each application program carry out updating operation.
System schema four: on the basis of system schema one, the upgrade file in the upgrade area that will be put into storage chip
Before being carried to corresponding storage subspace, the electric energy meter function of application module is backed up to the corresponding backup area of storage chip
Domain.
System schema five: on the basis of system schema one, by electric energy meter function of application module to be upgraded
When upgrade file is stored in the upgrade area of storage chip, the upgrade file of storage need to be verified.
System schema six: it on the basis of system schema five, if upgrade file verification is correct, is stored in the upgrade file
The specified region of position, which increases, upgrades successfully mark.
System schema seven: on the basis of system schema six detect upgrade successfully mark when, backup power table application
Program function module backs up region to storage chip, and removes and upgrade successfully mark accordingly.
System schema eight: on the basis of system schema four, when function of application module needs to be restored to after upgrading
When before upgrading, the function of application module in corresponding backup region is copied into corresponding upgrade area, realizes and journey is applied to this
The recovery of sequence.
Detailed description of the invention
Fig. 1 is electric energy meter software modularization upgrading flow chart；
Fig. 2 is the backup flow chart during electric energy meter software modularization upgrading；
Fig. 3 is that electric energy meter software modularization upgrading restores flow chart；
Fig. 4 is generation GPRS module object code section space configuration schematic diagram in the embodiment of the present invention；
Fig. 5 is generation gprs.hex object code configuration schematic diagram in the embodiment of the present invention.
Specific embodiment
A specific embodiment of the invention is described further with reference to the accompanying drawing.
The present invention is by carrying out modular division by program function for electric energy meter application program, by the application of electric energy meter software
Program's memory space is divided, and at least two storage subspaces are obtained, and is respectively used to each function of storage electric energy meter application program
It can module；Then the file destination of functional module each in the application program of electric energy meter is compiled into the specified of corresponding storage subspace
Initial address；The upgrade file of electric energy meter function of application module to be upgraded is finally stored in the corresponding liter of storage chip
Grade region, and upgrade file in the upgrade area of storage chip will be put into and be carried to corresponding storage subspace, to the function mould
Block is upgraded.The process of this method is as depicted in figs. 1 and 2, the specific implementation process is as follows:
1. electric energy meter application program is carried out modular division by program function, the application program of electric energy meter software is stored
Space is divided.
The present embodiment is illustrated by taking the electric energy meter of auspicious Sa RX65N7A single-chip microcontroller as an example, by RX65N7A on electric energy meter hardware
Single-chip microcontroller, NorFlash storage chip and other circuits composition, electric energy meter software is by Boot program and electric energy meter set of applications
At it is module_1, the composition such as module_2, module_n that electric energy meter application program, which carries out modular division by program function,.
Single-chip microcontroller ROM stores the instruction code of single-chip microcontroller and some fixed numbers, program and can not change after running, and auspicious Sa RX65N7A is mono-
Piece machine ROM Space 736K, totally 30 Block, each space Block distribution are as shown in table 1.
Table 1
It is that unit is wiped, therefore same Block cannot store more than one module that the area single-chip microcontroller ROM, which is by Block,
Program.Boot program occupies 0xFFFF8000-0xFFFFFFFF (Block3-Block0) 32KB size space, and other Block are empty
Between distribute to electric energy meter application program.Each application module first distributes the space 32KB, subsequent to be adjusted according to practical compiling result
It is whole, each 20% surplus of module assignment space to be preserved.Each module ROM Space initial address and size are shown in Table 2.
Table 2
Wherein the program space initial address of GPRS communication module (with metering core communication module) distribution is 0xFFFF0000,
As shown in Figure 4
2. it is empty that the file destination of each application module in the application program of electric energy meter is compiled into respective modulesization storage
Between specified initial address.
Compiler supports the initial position that variable is stored in modular program space, guarantees the external interface letter of each module
Number address space does not change.Modularized program ROM Space is allocated in advance, is carried out space distribution using indirect addressing mode, can be solved
Cause to occupy other module volume problems when module file size exceeds expected reserved space value after certainly a certain module compiling.
Indirect addressing mode space allocation method:
Each module inlet address is defined in Boot program:
Const u32moduleAddr []=0xffff0000,0xfffe8000,0xfffe0000,
0xfffd8000 ... ... }；Wherein moduleAddr is compiled into the fixation position in Boot program ROM space, such as 0xfffff800.
Numerical value in moduleAddr [] array is initial position of each software module of electric energy meter in ROM.Pass through when modularization upgrading
Agreement comes in the initial position the ROM transmission of module, the corresponding variable in modification moduleAddr [] when module position changes
Value.
* * * .hex or * the * * .bin object code that disparate modules are generated when compiling, for GPRS communication module, compiling life
At the object code of gprs.hex module, as shown in Figure 5.
3. pair electric energy meter carries out modularization upgrading.
The upgrade file of electric energy meter function of application module to be upgraded is stored in the corresponding upgrading area of storage chip
Domain, and upgrade file in the upgrade area of storage chip will be put into and be carried to corresponding storage subspace, to the functional module into
Row upgrading
The present invention uses norFlash as storage chip, wherein the region 30~31M rises as modular program upgrade area
Upgrading complement mark 0x55aa in the designated position Flash is write after the complete and CRC effect of grade is correct, restarts chip.The inspection of chip boot program
The designated position Flash 0x55aa mark is surveyed, program backup and covering upgrading are carried out, removes the designated position Flash 0x55aa mark,
Each module upgrade mark storage address and modular program storage address are shown in Table 3.
Table 3
| Module title | Address range | Space size |
| With metering core communication module | 0x1E00000-0x1E18FFF | 2 bytes storage upgrading mark before 100KB |
| Up-link carrier communication module | 0x1E19000-0x1E31FFF | 2 bytes storage upgrading mark before 100KB |
| Downlink communication module | 0x1E32000-0x1E4AFFF | 2 bytes storage upgrading mark before 100KB |
| Infrared communication module | 0x1E4B000–0x1E63FFF | 2 bytes storage upgrading mark before 100KB |
| 485 communication modules | 0x1E64000–0x1E7CFFF | 2 bytes storage upgrading mark before 100KB |
| Protocol library | 0x1E7D000–0x1E95FFF | 2 bytes storage upgrading mark before 100KB |
| System management module | 0x1E96000–0x1EAEFFF | 2 bytes storage upgrading mark before 100KB |
| Statistical module | 0x1EAF000–0x1EC7FFF | 2 bytes storage upgrading mark before 100KB |
| Control module | 0x1EC8000–0x1EE0FFF | 2 bytes storage upgrading mark before 100KB |
| Data access module | 0x1EE1000–0x1EF9FFF | 2 bytes storage upgrading mark before 100KB |
| Display module | 0x1EFA000–0x1F12FFF | 2 bytes storage upgrading mark before 100KB |
One module scheme of upgrading every time: file destination synthesis, by the 3rd side's software by module objectives file aaa.bin
Synthesis module number and crc32 code, as shown in table 4.
Table 4
| 1 byte of module number | Crc32 code | Module objectives code |
Upgrade N number of module scheme every time: file destination synthesis presses following format composite software by the 3rd side's software, specifically
Format is as shown in table 5.
Table 5
4. program backup and enabling
When needing after modular program upgrading by ordering the version before being restored to upgrading, program backup function is needed.It uses
Region is backed up as module in the region external 28~30M of FLASH, when boot starting judgement has module to upgrade, by former ROM area
Program copies corresponding backup area space to.When cpu chip receives instruction recovery module original version program, backup area program is copied
Shellfish writes corresponding 0x55aa upgrading mark to the corresponding upgrading area space Flash, restarts CPU, as shown in table 6.
Table 6
| Module title | Address range | Space size |
| With metering core communication module | 0x1C00000-0x1C18FFF | 100KB |
| Up-link carrier communication module | 0x1C19000-0x1C31FFF | 100KB |
| Downlink communication module | 0x1C32000-0x1C4AFFF | 100KB |
| Infrared communication module | 0x1C4B000–0x1C63FFF | 100KB |
| 485 communication modules | 0x1C64000–0x1C7CFFF | 100KB |
| Protocol library | 0x1C7D000–0x1C95FFF | 100KB |
| System management module | 0x1C96000–0x1CAEFFF | 100KB |
| Statistical module | 0x1CAF000–0x1CC7FFF | 100KB |
| Control module | 0x1CC8000–0x1CE0FFF | 100KB |
| Data access module | 0x1CE1000–0x1CF9FFF | 100KB |
| Display module | 0x1CFA000–0x1D12FFF | 100KB |
If wanting to restore the version before upgrading after modular program upgrading, modular program recovery can be carried out by external command,
Process is as shown in Figure 3.
Electric energy meter software is carried out module division according to the function of electric energy meter by the present invention, and each functional module compiling generates mould
Each modularization file is upgraded to the specified region of electric energy meter singlechip ROM by block file respectively；The list to each module can be achieved
Solely upgrading.Upgrading mode is simple, substantially increases upgrading efficiency.
Claims (10)
1. a kind of electric energy meter software modularization upgrading method, which is characterized in that the modularization upgrading method the following steps are included:
1) electric energy meter application program is subjected to modular division by program function, by the application program memory space of electric energy meter software
It is divided, obtains at least two storage subspaces, be respectively used to each functional module of storage electric energy meter application program；
2) file destination of functional module each in the application program of electric energy meter is compiled into the specified starting of corresponding storage subspace
Address；
3) upgrade file of electric energy meter function of application module to be upgraded is stored in the corresponding upgrade area of storage chip,
And upgrade file in the upgrade area of storage chip will be put into and be carried to corresponding storage subspace, which is risen
Grade.
2. electric energy meter software modularization upgrading method according to claim 1, which is characterized in that application in the step 1)
Program's memory space carries out space distribution using indirect addressing mode.
3. electric energy meter software modularization upgrading method according to claim 2, which is characterized in that use indirect addressing mode
Carry out space assigning process are as follows: use the entry address of each function of application module of Boot application definition for each application program function
Initial position of the energy module in corresponding storage subspace, using the entry address of function of application module to each application program
Carry out updating operation.
4. electric energy meter software modularization upgrading method according to claim 1, which is characterized in that by electric energy to be upgraded
When the upgrade file of table function of application module is stored in the upgrade area of storage chip, the upgrade file of storage need to be carried out
Verification.
5. electric energy meter software modularization upgrading method according to claim 4, which is characterized in that if upgrade file verification is just
Really, then increase in the specified region of the upgrade file storage position and upgrade successfully mark.
6. electric energy meter software modularization upgrading method according to claim 5, which is characterized in that upgraded successfully detecting
When mark, backup power table function of application module to storage chip backs up region, and removes and upgrade successfully mark accordingly.
7. a kind of electric energy meter system, including singlechip chip, storage chip and the Boot of operation program and electric energy meter application journey
Sequence, which is characterized in that the electric energy meter application program carries out modular division, the application journey of electric energy meter software by program function
Sequence memory space is divided, and at least two storage subspaces are obtained, and is respectively used to each function of storage electric energy meter application program
Module；The file destination of each functional module is compiled to the specified starting point of corresponding storage subspace in the application program of electric energy meter
Location；The upgrade file of electric energy meter function of application module to be upgraded is stored in the corresponding upgrade area of storage chip, deposits
It is put into upgrade file in the upgrade area of storage chip and is carried to corresponding storage subspace.
8. electric energy meter system according to claim 7, which is characterized in that application program memory space uses indirect addressing side
Formula carries out space distribution.
9. electric energy meter system according to claim 8, which is characterized in that carry out space using indirect addressing mode and distributed
Journey are as follows: the entry address of each function of application module of Boot application definition is used to deposit for each function of application module in correspondence
The initial position in subspace is stored up, updating operation is carried out to each application program using the entry address of function of application module.
10. electric energy meter system according to claim 7, which is characterized in that in the upgrade area that will be put into storage chip
Before upgrade file is carried to corresponding storage subspace, it is corresponding to storage chip to be backed up the electric energy meter function of application module
Backup region.
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| CN112650520A (en) * | 2020-12-31 | 2021-04-13 | 威胜集团有限公司 | Ammeter upgrading method and system, intelligent ammeter and storage medium |
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| CN113282319A (en) * | 2021-05-28 | 2021-08-20 | 武汉天喻信息产业股份有限公司 | Smart card and updating method thereof |
| CN114138201A (en) * | 2021-12-02 | 2022-03-04 | 国网山东省电力公司营销服务中心(计量中心) | Electric energy meter built-in memory data storage monitoring method and system |
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