CN107957904A - The power information acquisition tasks management method of exchange agreement based on object-oriented - Google Patents
The power information acquisition tasks management method of exchange agreement based on object-oriented Download PDFInfo
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- CN107957904A CN107957904A CN201711164005.8A CN201711164005A CN107957904A CN 107957904 A CN107957904 A CN 107957904A CN 201711164005 A CN201711164005 A CN 201711164005A CN 107957904 A CN107957904 A CN 107957904A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/484—Precedence
Abstract
The present invention relates to the power information acquisition tasks management method of the exchange agreement based on object-oriented：1st, global variable is created in memory；2nd, judge whether change with the relevant parameter of data acquisition session；3rd, judge whether in need to be set to invalid task；4th, it is valid data acquisition tasks are synchronous；5th, high-priority task is searched, and is directed toward the address of the data acquisition session；6th, it is OAD contents, the storage sequence number of electric energy meter archives is synchronous；7th, ammeter and OAD is selected to carry out framing and copy access evidence；8th, meter reading communication is initiated.This invention ensures that the task of high priority timely responds to；Substantial amounts of memory source is saved, reduces substantial amounts of product cost；It ensure that continuity when being performed again after the switching of each task.
Description
Technical field
The present invention relates to power information acquisition technique field, more particularly to a kind of use of the exchange agreement based on object-oriented
Power information acquisition tasks management method.
Background technology
Power information acquisition system in electric system, before used communication protocol Q/GDW1376.1, DL/T645
The shortcomings that Deng being procedure-oriented, being short of there is function expansibility and application flexibility, when having business change, it is necessary to
Terminal device progress to agreement revised, to scene upgrades again on a large scale, increases the pressure of live O＆M.
Based on above reason, the power information data exchange agreement of object-oriented is progressively promoted in power information acquisition system
Come, which has the characteristics that business adaptation is strong, collecting efficiency is high, data source is unique and good compatibility.Especially gathering
, can be easily (including common to data acquisition session by task allocation list according to the function of the agreement in terminal device
Acquisition tasks, event acquisition task, transparent task) carry out priority division, gathered data content alteration, tasks carrying frequency and
The work such as period modulation.Since each data acquisition session has certain timeliness, how according to the priority of each task
It is particularly important that effectively and reasonably being distributed the execution time of each acquisition tasks becomes.
Current solution method is that all data messages of each acquisition tasks are copied in memory, then, in memory
The task that rear examination preferentially performs is ranked up according to the execution period of each acquisition tasks and priority.The advantages of this scheme
It is easy to operate, execution efficiency is high, but since the data message that each acquisition tasks include is very much, the cost paid is exactly to need
Consume substantial amounts of memory source.For the product of embedded system, the increase meaning of hardware resource, especially memory size
The rise of product cost, is unfavorable for lifting the competitiveness of product in market.
The content of the invention
In view of the above-mentioned problems, the present invention provides one kind in the case where ensureing that each acquisition tasks execution efficiency is constant, together
When can reduce memory consumption, and then the method for reducing the acquisition tasks management of product cost.The technical side that the present invention is taken
Case is：
The power information acquisition tasks management method of exchange agreement based on object-oriented, comprises the following steps：
Step 1, create following global variable in the memory of acquisition terminal：Current operation task control block pointer
PstClientTaskTCBCur, task control block array StClientTaskTCBArry [N], data acquisition content allocation list
StFileTable, need to gather ammeter sequence number allocation list ucMS [M], [N] table in the StClientTaskTCBArry [N]
Show the actual maximum acquisition tasks quantity supported in the parameter memory block of acquisition terminal, [M] in the ucMS [M] represents to adopt
The maximum power table quantity that collection terminal is supported；
The StClientTaskTCBArry [N] is an Array for structural body, includes following member：Current task class
Type ucCurTaskType, current task priority ucTaskPri, currently copies the OAD counter arms taken
UcCurDataIDPtr, currently copies the ammeter numbering uwCurMeterNO taken, wherein represents institute with SELECT_CHANL_FIN
Have ammeter copy take it is complete；
The stFileTable includes following member：Gather total quantity ucOADSum, ucOAD [K], i.e. to be collected
OAD；
Whether step 2, the parameter memory block for inquiring about acquisition terminal, judgement become with the relevant parameter of data acquisition session
More, if otherwise going to step 3, if the global variable defined in step 1 is all initialized as default value and goes to step 3；
Step 3, judge whether StClientTaskTCBArry [N] is in need and be set to invalid task, if otherwise going to step
4, if then by ucCurTaskType be set to it is invalid, ucCurTaskType=TASK_INVALID be set and go to step 4；
Step 4, by effective data acquisition session is synchronized in parameter memory block in acquisition terminal
Task data in StClientTaskTCBArry [N]；
Step 5, search high-priority task in StClientTaskTCBArry [N], is arranged according to ucTaskPri
Sequence, therefrom selects the data acquisition session of highest priority and pstClientTaskTCBCur is directed toward the data acquisition session
Address in StClientTaskTCBArry [N]；By in " task control block array " and parameter memory block in this step
Data acquisition session first carries out key parameter synchronization, laggard row major level sequence, and then selects the form of limit priority task,
It ensure that the task of high priority timely responds to；
The data acquisition session of step 6, highest priority according to selected by step 5, in corresponding parameter memory block
The task data OAD contents to be gathered are searched, need to adopt OAD content synchronizations into stFileTable and the task
Storage sequence number of the electric energy meter archives of collection in parameter memory block is synchronized in ucMS [M]；This step passes through multiple data acquisitions
Task sharing one " data acquisition content allocation list " and one " ammeter sequence number allocation list need to be gathered ", and " electricity need to gathered
The form of storage sequence number of the electric energy meter in parameter memory block is only recorded in table sequence number allocation list ", saves substantial amounts of memory
Resource；
Step 7, the task control block according to pointed by pstClientTaskTCBCur, by uwCurMeterNO and
UcCurDataIDPtr selects ammeter and OAD to carry out framing and copy access evidence；This step by " task control block array " " when
It is preceding to copy the OAD counter arms taken " and " currently copy take ammeter numbering " record the implementation status of each task, ensure that
Continuity when being performed again after each task switching；
Step 8, carry out framing, hair according to the electric energy meter archive information selected in step 7 and the data OAD to be gathered
Play meter reading communication.
Preferably, judge in step 3 task control block array it is whether in need be set to invalid task basis for estimation be：
Current task type is effective, and it is SELECT_CHANL_FIN currently to copy the ammeter numbering taken, then is set to invalid task.
Preferably, by effective data acquisition session is synchronized in parameter memory block in acquisition terminal in step 4
The specific steps of task data in StClientTaskTCBArry [N] include：
4.1st, invalid task is searched in StClientTaskTCBArry [N], that is, meets ucCurTaskType==
The task of TASK_INVALID, if going to step 5 there is no if, otherwise goes to step 4.2；StClientTaskTCBArry [N] is each
The temporary marker that acquisition tasks key message point carries out in the memory of acquisition terminal, if finding out in memory at this time corresponding
, it is necessary to check whether the task has reached effective condition again into step 4.2 when task is invalid, if effectively just again
It is set in memory effectively；
4.2nd, invalid task is labeled as according in StClientTaskTCBArry [N], is searched in parameter memory block
Corresponding data message, judges whether the task has reached ready state, if otherwise going to step 5, if it is goes to step
4.3；
4.3rd, scheme type of the task in parameter memory block and execution priority data value are synchronized to respectively
In ucCurTaskType and ucTaskPri in StClientTaskTCBArry [N], at the same ucCurDataIDPtr and
UwCurMeterNO is 0 clearly.
Preferably, the task described in step 4.2 reach ready state refer to task execution state, perform frequency, start when
Between, the end time meet following condition：
A, the execution state of task is normal；
B, the current time of acquisition terminal is more than or equal to the time started and is less than the end time；
C, the current point in time of acquisition terminal was in the execution cycle of task.
Preferably, in step 7 carry out framing copy access evidence specific steps include：
If the 7.1, uwCurMeterNO is in effective range, while ucCurDataIDPtr is not equal to grand value SELECT_
DATA_ID_FIN, then go to step 7.2；Otherwise, a new electric energy meter is reselected according to uwCurMeterNO values to be acquired
Data；
7.2nd, according to the value of ucCurDataIDPtr, corresponding data OAD, specific steps are searched in stFileTable
It is as follows：
First determine whether ucCurDataIDPtr is less than the ucOADSum in equal to stFileTable, if it is not, then setting
Put ucCurDataIDPtr=SELECT_DATA_ID_FIN；If so, under then being chosen in the ucOAD in stFileTable [K]
Be designated as ucCurDataIDPtr data OAD carry out framing, while ucCurDataIDPtr carry out plus one operation.
Preferably, the uwCurMeterNO described in step 7.1 refers to that uwCurMeterNO is less than or equal in effective range
The maximum collection ammeter number that acquisition terminal is supported.
Preferably, a new electric energy meter reselected according to uwCurMeterNO values be acquired described in step 7.1
The selection principle of data is as follows：
If uwCurMeterNO is effective, j=uwCurMeterNO+1 is made, first is begun look for out from ucMS [j]
A is genuine subscript, this subscript is assigned to uwCurMeterNO again, while looked into parameter memory block according to this subscript value
Find corresponding ammeter archive information；If uwCurMeterNO is invalid, uwCurMeterNO=SELECT_ is set
CHANL_FIN。
Beneficial effects of the present invention：
1st, first to carry out key parameter by " task control block array " and the data acquisition session in parameter memory block synchronous,
Laggard row major level sequence, and then the mode of limit priority task is selected, it ensure that the task of high priority timely responds to；
2nd, sharing one " data acquisition content allocation list " and one by multiple data acquisition sessions " need to gather ammeter sequence
Number allocation list ", and storage sequence of the electric energy meter in parameter memory block is only recorded in " ammeter sequence number allocation list need to be gathered "
Number mode, save substantial amounts of memory source, for this embedded system of acquisition terminal, often save byte
Memory, may all reduce substantial amounts of product cost, increase substantial amounts of social benefit；
3rd, " copy by " currently copying the OAD counter arms taken " in " task control block array " and currently what is taken
Ammeter numbering " records the implementation status of each task, ensure that continuity when being performed again after the switching of each task.
Brief description of the drawings
Fig. 1 is the logical procedure diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are illustrated.
As shown in Figure 1, it is the logical procedure diagram of the present invention.The power information collection of exchange agreement based on object-oriented
Task management method, comprises the following steps：
Step 1, create following global variable in the memory of acquisition terminal：Current operation task control block pointer
PstClientTaskTCBCur, task control block array StClientTaskTCBArry [N], data acquisition content allocation list
StFileTable, need to gather ammeter sequence number allocation list ucMS [M], [N] table in the StClientTaskTCBArry [N]
Show the actual maximum acquisition tasks quantity supported in the parameter memory block of acquisition terminal, [M] in the ucMS [M] represents to adopt
The maximum power table quantity that collection terminal is supported；
The StClientTaskTCBArry [N] is an Array for structural body, includes following member：Current task class
Type ucCurTaskType, current task priority ucTaskPri, currently copies the OAD counter arms taken
UcCurDataIDPtr, currently copies the ammeter numbering uwCurMeterNO taken, wherein represents institute with SELECT_CHANL_FIN
Have ammeter copy take it is complete；
The stFileTable includes following member：Gather total quantity ucOADSum, ucOAD [K], i.e. to be collected
OAD。
Whether step 2, the parameter memory block for inquiring about acquisition terminal, judgement become with the relevant parameter of data acquisition session
More, if otherwise going to step 3, if the global variable defined in step 1 is all initialized as default value and goes to step 3.
Step 3, judge whether StClientTaskTCBArry [N] is in need and be set to invalid task, if otherwise going to step
4, if then by ucCurTaskType be set to it is invalid, ucCurTaskType=TASK_INVALID be set and go to step 4；
Judge task control block array it is whether in need be set to invalid task basis for estimation be：Current task type is effective, currently
It is SELECT_CHANL_FIN to copy the ammeter numbering taken, then is set to invalid task, i.e. ucCurTaskType=
TASK_INVALID。
Step 4, by effective data acquisition session is synchronized in parameter memory block in acquisition terminal
Task data in StClientTaskTCBArry [N]；Specific steps include：
4.1st, invalid task is searched in StClientTaskTCBArry [N], that is, meets ucCurTaskType==
The task of TASK_INVALID, if going to step 5 there is no if, otherwise goes to step 4.2；
4.2nd, invalid task is labeled as according in StClientTaskTCBArry [N], is searched in parameter memory block
Corresponding data message, judges whether the task has reached ready state, if otherwise going to step 5, if it is goes to step
4.3；
4.3rd, scheme type of the task in parameter memory block and execution priority data value are synchronized to respectively
In ucCurTaskType and ucTaskPri in StClientTaskTCBArry [N], at the same ucCurDataIDPtr and
UwCurMeterNO is 0 clearly.
Step 5, search high-priority task in StClientTaskTCBArry [N], is arranged according to ucTaskPri
Sequence, therefrom selects the data acquisition session of highest priority and pstClientTaskTCBCur is directed toward the data acquisition session
Address in StClientTaskTCBArry [N].
The data acquisition session of step 6, highest priority according to selected by step 5, in corresponding parameter memory block
The task data OAD contents to be gathered are searched, need to adopt OAD content synchronizations into stFileTable and the task
Storage sequence number of the electric energy meter archives of collection in parameter memory block is synchronized in ucMS [M].
Step 7, the task control block according to pointed by pstClientTaskTCBCur, by uwCurMeterNO and
UcCurDataIDPtr selects ammeter and OAD to carry out framing and copy access evidence；Specific steps include：
If the 7.1, uwCurMeterNO is in effective range, while ucCurDataIDPtr is not equal to grand value SELECT_
DATA_ID_FIN, then go to step 7.2；Otherwise, a new electric energy meter is reselected according to uwCurMeterNO values to be acquired
Data；UwCurMeterNO refers to that uwCurMeterNO is less than or equal to the maximum that acquisition terminal is supported and adopts in effective range
Collect ammeter number；
7.2nd, according to the value of ucCurDataIDPtr, corresponding data OAD, specific steps are searched in stFileTable
It is as follows：
First determine whether ucCurDataIDPtr is less than the ucOADSum in equal to stFileTable, if it is not, then setting
Put ucCurDataIDPtr=SELECT_DATA_ID_FIN；If so, under then being chosen in the ucOAD in stFileTable [K]
Be designated as ucCurDataIDPtr data OAD carry out framing, while ucCurDataIDPtr carry out plus one operation.
Step 8, carry out framing, hair according to the electric energy meter archive information selected in step 7 and the data OAD to be gathered
Play meter reading communication.
Claims (7)
1. the power information acquisition tasks management method of the exchange agreement based on object-oriented, it is characterised in that including following step
Suddenly：
Step 1, create following global variable in the memory of acquisition terminal：Current operation task control block pointer
PstClientTaskTCBCur, task control block array StClientTaskTCBArry [N], data acquisition content allocation list
StFileTable, need to gather ammeter sequence number allocation list ucMS [M], [N] table in the StClientTaskTCBArry [N]
Show the actual maximum acquisition tasks quantity supported in the parameter memory block of acquisition terminal, [M] in the ucMS [M] represents to adopt
The maximum power table quantity that collection terminal is supported；
The StClientTaskTCBArry [N] is an Array for structural body, includes following member：Current task type
UcCurTaskType, current task priority ucTaskPri, currently copies the OAD counter arms taken
UcCurDataIDPtr, currently copies the ammeter numbering uwCurMeterNO taken, wherein represents institute with SELECT_CHANL_FIN
Have ammeter copy take it is complete；
The stFileTable includes following member：Gather total quantity ucOADSum, ucOAD [K], OAD i.e. to be collected；
Whether step 2, the parameter memory block for inquiring about acquisition terminal, judgement change with the relevant parameter of data acquisition session,
If otherwise going to step 3, if the global variable defined in step 1 is all initialized as default value and goes to step 3；
Step 3, judge whether StClientTaskTCBArry [N] is in need and be set to invalid task, if otherwise going to step 4, if
Be, by ucCurTaskType be set to it is invalid, ucCurTaskType=TASK_INVALID be set and go to step 4；
Step 4, by effective data acquisition session is synchronized to StClientTaskTCBArry in parameter memory block in acquisition terminal
Task data in [N]；
Step 5, search high-priority task in StClientTaskTCBArry [N], is ranked up according to ucTaskPri, from
In select the data acquisition session of highest priority and pstClientTaskTCBCur be directed toward the data acquisition session and exist
Address in StClientTaskTCBArry [N]；
The data acquisition session of step 6, highest priority according to selected by step 5, is searched in corresponding parameter memory block
The task data OAD contents to be gathered, need what is gathered OAD content synchronizations into stFileTable and the task
Storage sequence number of the electric energy meter archives in parameter memory block is synchronized in ucMS [M]；
Step 7, the task control block according to pointed by pstClientTaskTCBCur, by uwCurMeterNO and
UcCurDataIDPtr selects ammeter and OAD to carry out framing and copy access evidence；
Step 8, according to the electric energy meter archive information selected in step 7 and the data OAD to be gathered carry out framing, initiates to copy
Table communicates.
2. the power information acquisition tasks management method of the exchange agreement according to claim 1 based on object-oriented, its
Be characterized in that, judge in step 3 task control block array it is whether in need be set to invalid task basis for estimation be：Work as predecessor
Service type is effective, and it is SELECT_CHANL_FIN currently to copy the ammeter numbering taken, then is set to invalid task.
3. the power information acquisition tasks management method of the exchange agreement according to claim 1 based on object-oriented, its
It is characterized in that, by effective data acquisition session is synchronized in parameter memory block in acquisition terminal in step 4
The specific steps of task data in StClientTaskTCBArry [N] include：
4.1st, invalid task is searched in StClientTaskTCBArry [N], that is, meets ucCurTaskType==TASK_
The task of INVALID, if going to step 5 there is no if, otherwise goes to step 4.2；
4.2nd, invalid task is labeled as according in StClientTaskTCBArry [N], searches and correspond in parameter memory block
Data message, judge whether the task has reached ready state, if otherwise going to step 5, if it is go to step 4.3；
4.3rd, scheme type of the task in parameter memory block and execution priority data value are synchronized to respectively
In ucCurTaskType and ucTaskPri in StClientTaskTCBArry [N], at the same ucCurDataIDPtr and
UwCurMeterNO is 0 clearly.
4. the power information acquisition tasks management method of the exchange agreement according to claim 3 based on object-oriented, its
It is characterized in that, the task described in step 4.2 reaches ready state and refers to the execution state of task, performs frequency, time started, end
Time meets following condition：
A, the execution state of task is normal；
B, the current time of acquisition terminal is more than or equal to the time started and is less than the end time；
C, the current point in time of acquisition terminal was in the execution cycle of task.
5. according to the power information acquisition tasks pipe of exchange agreement of the claim 1-4 any one of them based on object-oriented
Reason method, it is characterised in that in step 7 carry out framing copy access evidence specific steps include：
If the 7.1, uwCurMeterNO is in effective range, while ucCurDataIDPtr is not equal to grand value SELECT_DATA_
ID_FIN, then go to step 7.2；Otherwise, a new electric energy meter is reselected according to uwCurMeterNO values and is acquired data；
7.2nd, according to the value of ucCurDataIDPtr, corresponding data OAD is searched in stFileTable, is comprised the following steps that：
First determine whether ucCurDataIDPtr is less than the ucOADSum in equal to stFileTable, if it is not, then setting
UcCurDataIDPtr=SELECT_DATA_ID_FIN；If so, subscript is then chosen in the ucOAD in stFileTable [K]
For ucCurDataIDPtr data OAD carry out framing, while ucCurDataIDPtr carry out plus one operation.
6. the power information acquisition tasks management method of the exchange agreement according to claim 5 based on object-oriented, its
It is characterized in that, the uwCurMeterNO described in step 7.1 refers to that uwCurMeterNO is less than or equal to collection eventually in effective range
The supported maximum collection ammeter number in end.
7. the power information acquisition tasks management method of the exchange agreement according to claim 5 based on object-oriented, its
It is characterized in that, a new electric energy meter is reselected according to uwCurMeterNO values be acquired data described in step 7.1
Selection principle is as follows：
If uwCurMeterNO is effective, j=uwCurMeterNO+1 is made, beginning look for out first from ucMS [j] is
This subscript, is assigned to uwCurMeterNO by genuine subscript again, while is found according to this subscript value in parameter memory block
Corresponding ammeter archive information；If uwCurMeterNO is invalid, uwCurMeterNO=SELECT_CHANL_ is set
FIN。
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| CN112087383A (en) * | 2020-07-29 | 2020-12-15 | 宁波三星医疗电气股份有限公司 | Method for improving collection efficiency of electric power collection terminal |
| CN112087383B (en) * | 2020-07-29 | 2022-07-05 | 宁波三星医疗电气股份有限公司 | Method for improving collection efficiency of electric power collection terminal |
| CN112133080A (en) * | 2020-08-18 | 2020-12-25 | 宁波三星医疗电气股份有限公司 | Storage method of metering data of power acquisition terminal, power acquisition terminal and power system |
| CN112133080B (en) * | 2020-08-18 | 2021-12-03 | 宁波三星医疗电气股份有限公司 | Storage method of metering data of power acquisition terminal, power acquisition terminal and power system |
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