CN104899110A - Setting and feeding method for watchdog - Google Patents
Setting and feeding method for watchdog Download PDFInfo
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- CN104899110A CN104899110A CN201510300162.1A CN201510300162A CN104899110A CN 104899110 A CN104899110 A CN 104899110A CN 201510300162 A CN201510300162 A CN 201510300162A CN 104899110 A CN104899110 A CN 104899110A
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Abstract
The invention discloses a setting and feeding method for a watchdog. A watchdog and k interrupt programs are included. The setting and feeding method for the watchdog further comprises the following steps: (1) putting the watchdog in a main program and putting data n1, n2, n3 to nk in each interrupt program at the same time; (2) subtracting 1 by n1, subtracting 1 by n2, subtracting 1 by n3 ... subtracting 1 by nk, and if (n1-1) is not equal to 0, (n2-1) is not equal to 0, (n2-1) is not equal to 0 ... and (nk-1) is not equal to 0, sending a dog-feeding signal once by the main program and returning back to the step (1); otherwise, executing the step (3); (3) if any one or more of (n1-1), (n2-1), (n3-1) ... and (nk-1) is equal to 0, judging that monitoring is interrupted, and not sending the dog-feeding signal by the main program; and (4) rebooting the main program. The dog-feeding effect of the method is good.
Description
Technical field
The present invention relates to a kind of house dog program used in electric energy meter, is specifically setting and the dog-feeding method of a kind of house dog.
Background technology
The watchdog control method of prior art is generally all place a house dog in a master routine and multiple interrupt routine.When feeding dog, master routine and interrupt routine are all at transmission feeding-dog signal, but owing to cannot judge it is whom sends feeding-dog signal by, therefore still can produce master routine or interrupt routine runs the problem flown, thus make hello the dog effect of the setting of prior art house dog and dog-feeding method poor.And if only in master routine or each interrupt routine place a house dog, also cannot play the effect of monitoring, there will be the problem of program fleet equally.Therefore, for these reasons, a kind of setting and dog-feeding method of feeding the effective house dog of dog is urgently needed, to solve the problem.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of setting and dog-feeding method of feeding the effective house dog of dog.
Technical scheme of the present invention is, provides setting and the dog-feeding method of a kind of house dog, comprises a house dog and k interrupt routine; Setting and the dog-feeding method of described house dog are further comprising the steps of:
(1), in master routine place a house dog, place in each interrupt routine simultaneously data n1, a n2, n3 ..., nk;
(2), by n1-1, n2-1, n3-1 ..., nk-1, if (n1-1) ≠ 0, (n2-1) ≠ 0, (n3-1) ≠ 0 ..., (nk-1) ≠ 0, then master routine sends a feeding-dog signal, returns step (1); Otherwise, perform step (3);
(3) if (n1-1), (n2-1), (n3-1) ..., any one or more equal zero in (nk-1), then judge that monitoring is interrupted, master routine does not send feeding-dog signal;
(4), master routine is restarted.
After adopting above method, the present invention compared with prior art, has the following advantages:
The setting of house dog of the present invention and dog-feeding method by placing a house dog in master routine, and data are placed in each interrupt routine, first the control to master routine is achieved, then by doing subtraction to realize to data for multiple interrupt routine, if namely interrupt routine runs and flies, then be certain to occur null situation, thus judge that interrupt routine race flies.Therefore, the setting of house dog of the present invention and dog-feeding method achieve and realize monitoring in real time to master routine and multiple interrupt routine, and its effect of feeding dog is better.
Accompanying drawing explanation
Fig. 1 is the setting of house dog of the present invention and the process flow diagram of dog-feeding method.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, the setting of a kind of house dog of the present invention and dog-feeding method, comprise a house dog and k interrupt routine; Setting and the dog-feeding method of described house dog are further comprising the steps of:
(1), in master routine place a house dog, place in each interrupt routine simultaneously data n1, a n2, n3 ..., nk, if there are 3 interrupt routines, then respectively in each interrupt routine place data, n1, n2, n3;
(2), by n1-1, n2-1, n3-1 ..., nk-1, if (n1-1) ≠ 0, (n2-1) ≠ 0, (n3-1) ≠ 0 ..., (nk-1) ≠ 0, then master routine sends a feeding-dog signal, returns step (1); Otherwise, perform step (3); In the present embodiment, judge (n1-1) ≠ 0, (n2-1) ≠ 0, (n3-1) ≠ 0, then illustrate that each interrupt routine is in operation, returns step (1) and re-executes; General n=100 or n=1000.
(3) if (n1-1), (n2-1), (n3-1) ..., any one or more equal zero in (nk-1), then judge that monitoring is interrupted, master routine does not send feeding-dog signal; In the present embodiment, judge (n1-1)=0, (n2-1)=0, (n3-1)=0, then interruption 1 is described, interrupt 2 programs and run and fly, it in placement data, does not interrupt 3 normal program operation; Then illustrate that interrupt routine has run to fly, it in placement data, does not perform step (4);
(4), restart master routine, return step (1).
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection domain of independent claims of the present invention is all in protection scope of the present invention.
Claims (1)
1. the setting of house dog and a dog-feeding method, is characterized in that: comprise a house dog and k interrupt routine; Setting and the dog-feeding method of described house dog are further comprising the steps of:
(1), in master routine place a house dog, place in each interrupt routine simultaneously data n1, a n2, n3 ..., nk;
(2), by n1-1, n2-1, n3-1 ..., nk-1, if (n1-1) ≠ 0, (n2-1) ≠ 0, (n3-1) ≠ 0 ..., (nk-1) ≠ 0, then master routine sends a feeding-dog signal, returns step (1); Otherwise, perform step (3);
(3) if (n1-1), (n2-1), (n3-1) ..., any one or more equal zero in (nk-1), then judge that monitoring is interrupted, master routine does not send feeding-dog signal;
(4), master routine is restarted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300162.1A CN104899110A (en) | 2015-06-05 | 2015-06-05 | Setting and feeding method for watchdog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510300162.1A CN104899110A (en) | 2015-06-05 | 2015-06-05 | Setting and feeding method for watchdog |
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| CN104899110A true CN104899110A (en) | 2015-09-09 |
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| CN201510300162.1A Pending CN104899110A (en) | 2015-06-05 | 2015-06-05 | Setting and feeding method for watchdog |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162421A (en) * | 2019-04-28 | 2019-08-23 | 北京航空航天大学 | A kind of embedded software house dog test method and device containing interrupt function |
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| CN101271414A (en) * | 2008-05-06 | 2008-09-24 | 江苏东大金智建筑智能化系统工程有限公司 | Full-range dog-feeding method of embedded system |
| CN101957790A (en) * | 2009-11-26 | 2011-01-26 | 上海大学 | Implementation method of multi-source watchdog of microcontroller |
| WO2013152584A1 (en) * | 2012-04-13 | 2013-10-17 | 华为技术有限公司 | Method, device and single board for feeding dog in embedded system |
| CN104199746A (en) * | 2014-09-01 | 2014-12-10 | 中国东方电气集团有限公司 | Multitask software watchdog acquiring method |
| CN104636212A (en) * | 2014-12-29 | 2015-05-20 | 漳州科能电器有限公司 | Embedded operating system watchdog realizing method |
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2015
- 2015-06-05 CN CN201510300162.1A patent/CN104899110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271414A (en) * | 2008-05-06 | 2008-09-24 | 江苏东大金智建筑智能化系统工程有限公司 | Full-range dog-feeding method of embedded system |
| CN101957790A (en) * | 2009-11-26 | 2011-01-26 | 上海大学 | Implementation method of multi-source watchdog of microcontroller |
| WO2013152584A1 (en) * | 2012-04-13 | 2013-10-17 | 华为技术有限公司 | Method, device and single board for feeding dog in embedded system |
| CN104199746A (en) * | 2014-09-01 | 2014-12-10 | 中国东方电气集团有限公司 | Multitask software watchdog acquiring method |
| CN104636212A (en) * | 2014-12-29 | 2015-05-20 | 漳州科能电器有限公司 | Embedded operating system watchdog realizing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162421A (en) * | 2019-04-28 | 2019-08-23 | 北京航空航天大学 | A kind of embedded software house dog test method and device containing interrupt function |
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Effective date of registration: 20160206 Address after: 315191 Yinzhou Industrial Park, Zhejiang, Ningbo, Yinzhou District, Ningbo Applicant after: NINGBO SANXING MEDICAL ELECTRIC CO., LTD. Address before: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 26 Applicant before: Ningbo Samsung intelligent electric company limited |
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Application publication date: 20150909 |
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