CN103677991A - Task execution method based on single chip microcomputer system framework and single chip microcomputer system framework - Google Patents
Task execution method based on single chip microcomputer system framework and single chip microcomputer system framework Download PDFInfo
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Abstract
The invention discloses a task execution method based on a single chip microcomputer system framework. The task execution method includes the following steps that all corresponding function modules are configured by a system host processor according to application tasks of a current single chip microcomputer; the system host processor determines the tasks to be executed every preset time; a task processor sends dispatch information to the corresponding function modules of all the tasks to be executed respectively according to the priority of the tasks to be executed; the function modules which receive the dispatch information execute the corresponding tasks. Thus, according to the task execution method based on the single chip microcomputer system framework, the purposes that the tasks are separated from the single chip microcomputer system framework, and multiple task dispatch and execution modes can be applied to the application tasks of different single chip microcomputers are achieved.
Description
Technical field
The application relates to electronic technology field, particularly a kind of task executing method and Single Chip Microcomputer (SCM) system framework based on Single Chip Microcomputer (SCM) system framework.
Background technology
At present, Single Chip Microcomputer (SCM) system framework mainly contains AM/BAM system architecture and multitask system framework.Wherein, the system based on AM/BAM system architecture is for order is carried out when executing the task, and a certain task must start to carry out after another task completes, otherwise belongs to idle task; System based on multitask system framework, system based on AM/BAM system architecture is improved, can the multinomial mutual incoherent task of parallel processing, the multinomial mutual incoherent task of parallel processing refers in a complete task, during Output rusults, can process other tasks simultaneously.
But the task in the system based on multitask system framework is after completing initial setting, can not change again, therefore use the system of multi-task architecture only can be applied in unique a kind of single-chip microcomputer application task.
Therefore when the system of use based on multitask system framework carried out tasks carrying, existence can not be applied to the problem in multiple single-chip microcomputer application task.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of task executing method and Single Chip Microcomputer (SCM) system framework based on Single Chip Microcomputer (SCM) system framework, to reach when task is carried out, on the basis of parallel processing of realizing multitask, can realize the object being applied in multiple different single-chip microcomputer application task, technical scheme is as follows:
A task executing method based on Single Chip Microcomputer (SCM) system framework, described Single Chip Microcomputer (SCM) system framework comprises system master processor, task processor and a plurality of functional module, comprising:
Described system master processor configures each corresponding functional module for current single-chip microcomputer application task, wherein, and at least corresponding task of each functional module;
Described system master processor, every Preset Time, is determined once pending task;
Described task processor, according to the priority height of described pending task, sends respectively schedule information to functional module corresponding to each pending task;
The functional module that receives described schedule information is carried out corresponding task, wherein, complete in current task, and during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
Preferably, send schedule information to the process of functional module corresponding to each pending task, comprising:
From the corresponding function module, read the configuration information of each pending task;
In the situation that the described configuration information of judgement is correct, send schedule information to the corresponding function module.
Preferably, described transmission schedule information, to the process of functional module corresponding to each pending task, comprising:
From the corresponding function module, read the backup configuration information of each pending task, described backup configuration information is identical with described configuration information;
In the situation that the described backup configuration information of judgement is correct, send schedule information to the corresponding function module.
Preferably, in carrying out corresponding task process, described task processor, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task;
Or in carrying out corresponding task process, described task processor, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task, and adds up the lost data information of current task.
Preferably, described in receive described schedule information functional module carry out the process of corresponding task, comprising:
Before carrying out corresponding task, while judging the default condition precedent of input data fit corresponding to corresponding task, carry out corresponding task;
After corresponding task is complete, by default condition subsequent, the result after output corresponding task is complete.
A Single Chip Microcomputer (SCM) system framework, comprising: system master processor, task processor and a plurality of functional module, wherein:
System master processor, for configuring each corresponding functional module for current single-chip microcomputer application task, every Preset Time, determines once pending task, wherein, and at least corresponding task of each functional module;
Task processor, the priority height for according to the definite pending task of each functional module, sends respectively schedule information to functional module corresponding to each pending task;
Each functional module, while being used for receiving described schedule information, carry out corresponding task, wherein, complete in current task, during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
Preferably, described task processor comprises:
The first read module, for reading the configuration information of each pending task from the corresponding function module;
The first sending module, in the situation that the described configuration information of judgement is correct, sends schedule information to the corresponding function module.
Preferably, described task processor comprises:
The second read module, for read the backup configuration information of each pending task from the corresponding function module, described backup configuration information is identical with described configuration information;
The second sending module, in the situation that the described backup configuration information of judgement is correct, sends schedule information to the corresponding function module.
Preferably, described task processor comprises:
The first processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task;
Or the second processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task, and adding up the lost data information of current task.
Preferably, described functional module comprises:
Performance element, for before carrying out corresponding task, while judging the default condition precedent of input data fit corresponding to corresponding task, carries out corresponding task;
Output unit, for after corresponding task is complete, by default condition subsequent, the result after output corresponding task is complete.
Compared with prior art, the application's beneficial effect is:
In this application, because system master processor can configure each corresponding functional module for current single-chip microcomputer application task, therefore, in the time of in being applied to different single-chip microcomputer application tasks, only need to configure for different single-chip microcomputer application tasks each corresponding functional module.And after changing at single-chip microcomputer application task, only need to reconfigure corresponding functional module, the task in the functional module after reconfiguring is changed, realize the separated of Single Chip Microcomputer (SCM) system framework and task.
By system master processor, every Preset Time, send a clock instruction, make functional module determine pending task, after determining pending task, by task processor according to the priority of pending task just, send respectively schedule information to corresponding functional module, corresponding task is carried out, due to complete in current task, during Output rusults, task processor can send schedule information to remaining functional module corresponding to task that pending business medium priority is the highest, and the parallel processing that therefore can realize multitask is multi-task scheduling executive mode.
Visible, when task is carried out based on Single Chip Microcomputer (SCM) system framework, on the basis of parallel processing of realizing multitask, can realize and being applied in multiple different single-chip microcomputer application task.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of process flow diagram of a kind of task executing method based on Single Chip Microcomputer (SCM) system framework of providing of the application;
Fig. 2 is a kind of sub-process figure of a kind of task executing method based on Single Chip Microcomputer (SCM) system framework of providing of the application;
Fig. 3 is the another kind of sub-process figure of a kind of task executing method based on Single Chip Microcomputer (SCM) system framework of providing of the application;
Fig. 4 is a kind of structural representation of a kind of Single Chip Microcomputer (SCM) system framework of providing of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
An embodiment
Refer to Fig. 1, a kind of process flow diagram that it shows a kind of task executing method based on Single Chip Microcomputer (SCM) system framework that the application provides, can comprise the following steps:
Step S11: described system master processor configures each corresponding functional module for current single-chip microcomputer application task, at least corresponding task of each functional module.
In the present embodiment, system master processor can receive user for the mission bit stream of current single-chip microcomputer application task input, according to the mission bit stream of user's input, configures each corresponding functional module, wherein, and at least corresponding task of each functional module.
When current single-chip microcomputer task changes, system master processor is for each functional module corresponding with single-chip microcomputer application task after variation of the single-chip microcomputer application task configuration after changing.
Step S12: described system master processor, every Preset Time, is determined once pending task.
In the present embodiment, system master processor completes after each corresponding functional module in configuration, need to activate the tasks carrying of whole Single Chip Microcomputer (SCM) system.Therefore, system master processor is provided with clock and interrupts, and every Preset Time, carries out the once operation of determining pending task.Determine that pending task can embody by putting the form of zone bit.
System master processor is determined pending task in each Preset Time, after determining pending task, and the content of execution step S13.
Step S13: described task processor, according to the priority height of described pending task, sends respectively schedule information to functional module corresponding to each pending task.
In the present embodiment, task processor, according to the priority height of pending task, sends respectively schedule information to functional module corresponding to each pending task.Concrete, task processor can send schedule information to functional module corresponding to the highest pending task of priority, i.e. the highest pending task of dispatching priority first.After the highest pending task of dispatching priority, to remaining the highest task of pending task medium priority, dispatch, when task processor sends schedule information at every turn, are all functional modules corresponding to pending task that send to priority the highest.
Step S15: the functional module that receives described schedule information is carried out corresponding task, wherein, complete in current task, during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
In the present embodiment, the functional module that receives the schedule information of task processor transmission can be carried out the task corresponding with schedule information.
Complete in current task, during Output rusults, task processor can send schedule information to remaining functional module corresponding to task that pending task medium priority is the highest, by the corresponding function module, carries out corresponding task.Therefore in current task Output rusults, task processor sends schedule information to remaining functional module corresponding to task that pending task medium priority is the highest, remain the highest task of pending task medium priority and start to carry out, with current task parallel processing.
In the present embodiment, the process that receives the functional module execution corresponding task of schedule information can be: before carrying out corresponding task, and while judging the default condition precedent of input data fit corresponding to corresponding task, execution corresponding task; After execution corresponding task completes, by default condition subsequent, the result after output corresponding task is complete.Wherein, default condition subsequent is the information of the functional module relevant to current task place functional module.By default condition subsequent, after can determining that current task is complete, the result after complete should be sent to which functional module.
In this application, because system master processor can configure each corresponding functional module for current single-chip microcomputer application task, therefore, in the time of in being applied to different single-chip microcomputer application tasks, only need to configure for different single-chip microcomputer application tasks each corresponding functional module.And after changing at single-chip microcomputer application task, only need to reconfigure corresponding functional module, the task in the functional module after reconfiguring is changed, realize the separated of Single Chip Microcomputer (SCM) system framework and task.
By system master processor, every Preset Time, send a clock instruction, make functional module determine pending task, after determining pending task, by task processor according to the priority of pending task just, send respectively schedule information to corresponding functional module, corresponding task is carried out, due to complete in current task, during Output rusults, task processor can send schedule information to remaining functional module corresponding to task that pending business medium priority is the highest, and the parallel processing that therefore can realize multitask is multi-task scheduling executive mode.
Visible, when task is carried out based on Single Chip Microcomputer (SCM) system framework, on the basis of parallel processing of realizing multitask, can realize and being applied in multiple different single-chip microcomputer application task.
Another embodiment
In the present embodiment, what illustrate is to send schedule information to the detailed process of functional module corresponding to each pending task, refer to Fig. 2, shown in Fig. 2 is a kind of sub-process figure of a kind of task executing method based on Single Chip Microcomputer (SCM) system framework of providing of the application, can comprise the following steps:
Step S21: the configuration information that reads each pending task from the corresponding function module.
In the present embodiment, task processor, according to the priority height of pending task, reads respectively the configuration information of each pending task from functional module corresponding to each pending task.
Certainly, first task processor reads the configuration information of the pending task that priority is the highest from functional module corresponding to the highest pending task of priority.
After the highest pending task of priority starts to carry out, become current task, after current task is complete, task processor reads the configuration information of the task that the pending task medium priority of residue is the highest.
Step S22: in the situation that the described configuration information of judgement is correct, send schedule information to the corresponding function module.
Task processor is after reading the configuration information of pending task, and whether the configuration information that judgement reads is consistent with the configuration information of this pending task of task processor storage.Consistent in the situation that, the configuration information that judgement reads is correct.In the situation that judgement configuration information is correct, send schedule information to the corresponding function module.
Another embodiment
In the present embodiment, what illustrate is to send schedule information to the another kind of detailed process of functional module corresponding to each pending task, refer to Fig. 3, shown in Fig. 3 is the another kind of sub-process figure of a kind of task executing method based on Single Chip Microcomputer (SCM) system framework of providing of the application, can comprise the following steps:
Step S31: read the backup configuration information of each pending task from the corresponding function module, described backup configuration information is identical with described configuration information.
In the present embodiment, the backup configuration information of corresponding task is set in functional module, wherein the configuration information of backup configuration information and task is identical.Task processor, in the time need to judging the configuration information correctness of pending task, can read the backup configuration information of each pending task.What read due to task processor is backup configuration information, when the data in backup configuration information are tampered, also can not have influence on the correct execution of task in functional module, has guaranteed the stability of Single Chip Microcomputer (SCM) system operation.
The detailed process of backup configuration information that reads each pending task from the corresponding function module is identical with the step S21 shown in Fig. 2, and the content reading is different in different being only, does not repeat them here.
Step S32: in the situation that the described backup configuration information of judgement is correct, send schedule information to the corresponding function module.
In said method embodiment, task in functional module in the process of implementation, execution sequential when task processor can be carried out current task detects, and when current task being detected and occur to carry out sequential and make a mistake, reports an error or recovers the original state of current task.Whether wherein, execution sequential when task processor is carried out current task detects, be mainly to detect current task to carry out overtimely, carries out when overtime detecting, and carries out overtime warning or recovers the original state of current task.
Certainly, in carrying out current task process, task processor is when current task being detected and occur carrying out sequential and make a mistake, except reporting an error or recovering the original state of current task, can also add up the lost data information of current task, be convenient to the error analysis of task.
Wherein the lost data information of task can comprise: system can provide the task run cycle, task response-time, and task counter, task is lost number of times, task priority, the overtime warning of task, task ID, task names etc.
In said method embodiment, the Preset Time that system master processor arranges can be within the scope of 10ms-100ms, any one is the numerical value of 10ms integral multiple.
For aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not subject to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and related action and module might not be that the application is necessary.
Embodiment is corresponding with said method, the application provides a kind of Single Chip Microcomputer (SCM) system framework, refer to Fig. 4, shown in Fig. 4 is a kind of structural representation of a kind of Single Chip Microcomputer (SCM) system framework of providing of the application, and Single Chip Microcomputer (SCM) system framework comprises: system master processor 41, task processor 42 and functional module group 43.Wherein, functional module group 42 comprises a plurality of functional modules.
Wherein, the first read module, for reading the configuration information of each pending task from the corresponding function module.
The first sending module, in the situation that the described configuration information of judgement is correct, sends schedule information to the corresponding function module.
Certainly, task processor 42 also can comprise: the second read module and the second sending module, the second read module and the second sending module jointly complete and be different from transmission schedule information that the first read module and the second sending module complete jointly to the function of functional module corresponding to each pending task.
The second read module, for read the backup configuration information of each pending task from the corresponding function module, described backup configuration information is identical with described configuration information.
The second sending module, in the situation that the described backup configuration information of judgement is correct, sends schedule information to the corresponding function module.
A plurality of functional modules in functional module group 42, while being used for receiving described schedule information, carry out corresponding task, wherein, complete in current task, during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
Wherein, each functional module can comprise performance element and output unit.Performance element, for before carrying out corresponding task, while judging the default condition precedent of input data fit corresponding to corresponding task, carries out corresponding task.
Output unit, for after corresponding task is complete, by default condition subsequent, the result after output corresponding task is complete.
In task processor 42 shown in Fig. 4, include the first processing module or the second processing module, wherein, the first processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, report an error or recover the original state of described task.
The second processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task, and adding up the lost data information of current task.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The task executing method based on Single Chip Microcomputer (SCM) system framework and the Single Chip Microcomputer (SCM) system framework that above the application are provided are described in detail, applied specific case herein the application's principle and embodiment are set forth, the explanation of above embodiment is just for helping to understand the application's method and core concept thereof; Meanwhile, for one of ordinary skill in the art, the thought according to the application, all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the application.
Claims (10)
1. the task executing method based on Single Chip Microcomputer (SCM) system framework, is characterized in that, described Single Chip Microcomputer (SCM) system framework comprises system master processor, task processor and a plurality of functional module, comprising:
Described system master processor configures each corresponding functional module for current single-chip microcomputer application task, wherein, and at least corresponding task of each functional module;
Described system master processor, every Preset Time, is determined once pending task;
Described task processor, according to the priority height of described pending task, sends respectively schedule information to functional module corresponding to each pending task;
The functional module that receives described schedule information is carried out corresponding task, wherein, complete in current task, and during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
2. method according to claim 1, is characterized in that, sends schedule information to the process of functional module corresponding to each pending task, comprising:
From the corresponding function module, read the configuration information of each pending task;
In the situation that the described configuration information of judgement is correct, send schedule information to the corresponding function module.
3. method according to claim 1, is characterized in that, described transmission schedule information, to the process of functional module corresponding to each pending task, comprising:
From the corresponding function module, read the backup configuration information of each pending task, described backup configuration information is identical with described configuration information;
In the situation that the described backup configuration information of judgement is correct, send schedule information to the corresponding function module.
4. method according to claim 1, is characterized in that, in carrying out corresponding task process, described task processor, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task;
Or in carrying out corresponding task process, described task processor, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task, and adds up the lost data information of current task.
5. method according to claim 1, is characterized in that, described in receive described schedule information functional module carry out the process of corresponding task, comprising:
Before carrying out corresponding task, while judging the default condition precedent of input data fit corresponding to corresponding task, carry out corresponding task;
After corresponding task is complete, by default condition subsequent, the result after output corresponding task is complete.
6. a Single Chip Microcomputer (SCM) system framework, is characterized in that, comprising: system master processor, task processor and a plurality of functional module, wherein:
System master processor, for configuring each corresponding functional module for current single-chip microcomputer application task, every Preset Time, determines once pending task, wherein, and at least corresponding task of each functional module;
Task processor, the priority height for according to the definite pending task of each functional module, sends respectively schedule information to functional module corresponding to each pending task;
Each functional module, while being used for receiving described schedule information, carry out corresponding task, wherein, complete in current task, during Output rusults, described task processor sends schedule information to remaining functional module corresponding to task that pending business medium priority is the highest.
7. Single Chip Microcomputer (SCM) system framework according to claim 6, is characterized in that, described task processor comprises:
The first read module, for reading the configuration information of each pending task from the corresponding function module;
The first sending module, in the situation that the described configuration information of judgement is correct, sends schedule information to the corresponding function module.
8. Single Chip Microcomputer (SCM) system framework according to claim 6, is characterized in that, described task processor comprises:
The second read module, for read the backup configuration information of each pending task from the corresponding function module, described backup configuration information is identical with described configuration information;
The second sending module, in the situation that the described backup configuration information of judgement is correct, sends schedule information to the corresponding function module.
9. Single Chip Microcomputer (SCM) system framework according to claim 6, is characterized in that, described task processor comprises:
The first processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task;
Or the second processing module, for carrying out corresponding task process, when described task being detected and occur carrying out sequential and make a mistake, reports an error or recovers the original state of described task, and adding up the lost data information of current task.
10. Single Chip Microcomputer (SCM) system framework according to claim 6, is characterized in that, described functional module comprises:
Performance element, for before carrying out corresponding task, while judging the default condition precedent of input data fit corresponding to corresponding task, carries out corresponding task;
Output unit, for after corresponding task is complete, by default condition subsequent, the result after output corresponding task is complete.
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Application publication date: 20140326 |