CN105045146A - System with reset function and restart control method thereof - Google Patents
System with reset function and restart control method thereof Download PDFInfo
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- CN105045146A CN105045146A CN201510383335.0A CN201510383335A CN105045146A CN 105045146 A CN105045146 A CN 105045146A CN 201510383335 A CN201510383335 A CN 201510383335A CN 105045146 A CN105045146 A CN 105045146A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention can be applied to the field of system software processing, and provides a restart control method for a system with a reset function. The method comprises steps: A, whether a system software program is started is detected; B, when starting of system software is detected, data stored in a memory are calibrated and a calibration value is acquired; C, the calibration value and a stored calibration value in the memory are compared; D, if the calibration value is consistent with the stored calibration value, the stored data are imported to the system software program, and the system software program operates according to the imported stored data; and E, if the calibration value and the stored calibration value are not consistent, the system software program starts according to a normal order. Through the method provided by the invention, the system can perform calibration according to the stored data in the memory in the case of start, whether reset restart or power-off restart happens to the system can be accurately judged, data before reset can be quickly recovered when reset restart happens to the system, and safety of the user can be ensured.
Description
Technical field
The invention belongs to system software process, particularly relate to and a kind ofly there is the system of reset function and restart control method.
Background technology
The function of Anesthesia machine, lung ventilator be carry out anaesthetizing to patient by doctor's setup parameter, air feed etc., when unpredictable resets occurs the software of machine, system needs self-inspection step when skipping normal startup, state before quickly recovering to reset.After System recover, the parameter that machine is still preset by doctor is run.If after machine reset, system can not return to reset before state, this will cause serious injury to patient.
Prior art adopts external memory storage to carry out the on-site parameters of storing software operation, and the operating speed of external memory storage is slow, if when storing software operational factor, meet accident reset, then correctly can not recover the operation of software.
Be switching on and shutting down at above-mentioned Anesthesia machine, lung ventilator by people, machine will start to default setting; And machine unexpected reset, state before returning to reset, this just needs to preserve Software thread information, and the key variables and the setup parameter that have influence on running software all need to preserve in memory.The unexpected reset of system is unpredictable, and the number of times of the change of running software shape variable is hard-core, this memory device operating speed will seeking survival these information of storage wants fast, it is unlimited for reading while write number of times, and some CPU can not judge that system is that power-off starts very well now, or unexpected reset (system does not have power-off) starts.
Summary of the invention
Technical matters to be solved by this invention is that providing a kind of has the system of reset function and restart control method, is intended to solve prior art and can not judges that system is the problem that power-off restarting or unexpected reset are restarted.
The present invention be achieved in that a kind of there is the system of reset function restart control method, described quick recovery method comprises the following steps:
Whether steps A, detect and have system software program to start;
Step B, when having detected that system software starts, having carried out verification to the storage data in storer and having obtained proof test value;
Step C, compares the storage proof test value in described proof test value and described storer;
Step D, if described proof test value is consistent with described storage proof test value, by system software program described in described storage data importing, described system software program is according to the described storage data run imported;
Step e, if described proof test value and described storage proof test value inconsistent, described system software program starts according to normal sequence.
Further, described storer for described in there is the RAM storer of the CPU inside of the system of reset function.
Further, described storage data comprise operation variable, setup parameter and proof test value; Described storage proof test value obtains according to described operational factor and the verification of described setup parameter.
Further, described quick recovery method also comprises:
Step F, runs variable by the change in described system software program operational process and change parameter is updated to described storer;
Carry out verification according to described change operation variable and change parameter and generate change storage proof test value, and be updated in described storer.
Further, step B adopts CRC-32 standard to verify.
Present invention also offers a kind of system of concrete reset function, comprising:
Whether detecting unit, have software program to start for detecting;
Verification unit, for when software startup having been detected, having carried out verification to the storage data in storer and having obtained proof test value;
Comparing unit, for comparing the storage proof test value in described proof test value and described storer;
First restarts performance element, and for when judging that described proof test value is consistent with described storage proof test value, by software program described in described storage data importing, described software program is according to the described storage data run imported;
Second restarts performance element, and for when judging described proof test value and described storage proof test value is inconsistent, described software program starts according to normal sequence.
Further, described storer is RAM storer.
Further, described storage data comprise operation variable, setup parameter and proof test value; Described storage proof test value obtains according to described operational factor and the verification of described setup parameter.
Further, described quick recovery system also comprises:
Updating block, for being updated to described storer by the change operation variable in described software program operational process and change parameter;
Carry out verification according to described change operation variable and change parameter and generate change storage proof test value, and be updated in described storer.
Further, described verification unit adopts CRC-32 standard to verify.
The present invention compared with prior art, beneficial effect is: utilize CPU internal RAM power-off boiling characteristics (during power-off, RAM stores content and automatically disappears, machine unexpected reset can not power-off, RAM stores content and remains unchanged), system can verify according to the certificate of CPU internal RAM storage number when starting, thus accurately judgement system resets to restart or power-off restarting, thus the data before system can be made to quickly recover to reset when reset occurring and restarting, thus ensure that the safety of user.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of restarting control method with the system of reset function that the embodiment of the present invention provides.
Fig. 2 is a kind of structural representation with the system of reset function that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
All can there be RAM the CPU inside of Anesthesia machine and lung ventilator embedded system, the present invention utilizes the power-off volatility of RAM (storing content automatically to eliminate), and when during cpu reset, the constant characteristic of internal RAM information realizes system unexpected reset, the data that system can store according to RAM carry out fast quick-recovery.The power-off volatility of RAM, solves system cut-off easily and starts or unexpected reset startup.And the read or write speed of CPU internal RAM is CPU internal bus speed, can fast speed storing software operational factor much of that.
In CPU, RAM retains operation variable and the setup parameter of one piece of region backup software, and operation variable and the parameter of each change software all need to backup to this region; CPU powers on start, and the RAM content that this block retains is unpredictable, all needs to verify the content in this region when software brings into operation, thus, during the data of each renewal backup area, also need the School Affairs calculating this part data, School Affairs is also stored in reserved area.Method of calibration uses standard C RC-32 to enter verification, and after CRC check is correct, then carry out legal inspection to the parameters of backup, energy 100% judges that system is unexpected recovery like this, and still power on start.
Inspection CPU inside retains RAM, and confirmation system is unexpected reset, and software can then bypass system self-inspection and some other action consuming time, directly recovers running software parameter from RAM reserve area; The data of reserve area not by verification, then illustrate it is that system electrification opens, and running software then starts by normal dynamic order.
According to above-mentioned understanding, to the invention provides as shown in Figure 1 a kind of there is the system of reset function restart control method, comprise the following steps:
S1, detection system software program starts to start.In this step, no matter power on start or reset start, and Anesthesia machine, lung ventilator all start to start its built-in system software program.
S2, verification RAM reserved area data.In this step, in Anesthesia machine or lung ventilator, in embedded system the RAM of CPU inside reserved area in data verify, method of calibration herein adopts standard C RC-32 to verify.
S3, judges that whether check results is correct.In this step, the storage proof test value that the proof test value obtain verification and reserved area store compares, and judges that this time startup is whether whether consistent with storage proof test value to the proof test value of reserved area data, is unanimously then judged as correct, inconsistent, is judged as mistake.
S4, recovers data from RAM reserved area.In this step, if the check results of step S3 is correct, then judge this time to start and start as resetting, the embedded system of Anesthesia machine, lung ventilator recovers data from RAM reserved area, system software program starts normal operation according to the data recovered, and described data comprise runs variable and setup parameter etc.
S5, System self-test.In this step, if the check results mistake of step S3, then electrifying startup when judging this time to start, the embedded system of Anesthesia machine, lung ventilator carries out System self-test, and carries out startup optimization according to normal boot sequence.
S6, monitoring system is in normal operation, and whether running software parameter changes, if operational factor does not change, then system continues normal operation.In this step, because therefore Anesthesia machine, lung ventilator because corresponding change occurs the situation of patient, can need Real-Time Monitoring operational factor.
S7, changes if monitor running software parameter in step S6, then the operational factor of change is updated in internal RAM reserved area.
S8, carries out CRC check to the operational factor after upgrading, and is updated in internal RAM reserved area.
Pass through said method, when system software program starts to start, first CRC check is carried out to the data of the reserved area of RAM in CPU, when this time starting judgement according to check results, electrifying startup still resets startup, reset if be judged as and start, data resuming operation fast can be read fast from reserved area, thus avoid the accident generation of the medical treatment caused because Anesthesia machine in software fault or other situations, lung ventilator reset.
As described in Figure 2, be a kind of system with reset function that the embodiment of the present invention provides, comprise:
Detecting unit 1, starts for inspection software program;
Verification unit 2, obtains proof test value for carrying out verification to the storage data in storer;
Comparing unit 3, for comparing the storage proof test value in described proof test value and described storer;
First restarts performance element 4, and for when judging that described proof test value is consistent with described storage proof test value, by software program described in described storage data importing, described software program is according to the described storage data run imported;
Second restarts performance element 5, and for when judging described proof test value and described storage proof test value is inconsistent, described software program starts according to normal sequence;
Updating block 6, for being updated to described storer by the change operation variable in described software program operational process and change parameter;
Carry out verification according to described change operation variable and change parameter and generate change storage proof test value, and be updated in described storer.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. what have the system of reset function restarts a control method, it is characterized in that, described quick recovery method comprises the following steps:
Whether steps A, detect and have system software program to start;
Step B, when having detected that system software starts, having carried out verification to the storage data in storer and having obtained proof test value;
Step C, compares the storage proof test value in described proof test value and described storer;
Step D, if described proof test value is consistent with described storage proof test value, by system software program described in described storage data importing, described system software program is according to the described storage data run imported;
Step e, if described proof test value and described storage proof test value inconsistent, described system software program starts according to normal sequence.
2. restart control method as claimed in claim 1, it is characterized in that, described storer for described in there is the RAM storer of the CPU inside of the system of reset function.
3. restart control method as claimed in claim 2, it is characterized in that, described storage data comprise runs variable, setup parameter and proof test value; Described storage proof test value obtains according to described operational factor and the verification of described setup parameter.
4. restart control method as claimed in claim 3, it is characterized in that, described quick recovery method also comprises:
Step F, runs variable by the change in described system software program operational process and change parameter is updated to described storer;
Carry out verification according to described change operation variable and change parameter and generate change storage proof test value, and be updated in described storer.
5. as described in above-mentioned arbitrary claim, restart control method, it is characterized in that, step B adopts CRC-32 standard to verify.
6. a system for concrete reset function, is characterized in that, comprising:
Whether detecting unit, have software program to start for detecting;
Verification unit, for when software startup having been detected, having carried out verification to the storage data in storer and having obtained proof test value;
Comparing unit, for comparing the storage proof test value in described proof test value and described storer;
First restarts performance element, and for when judging that described proof test value is consistent with described storage proof test value, by software program described in described storage data importing, described software program is according to the described storage data run imported;
Second restarts performance element, and for when judging described proof test value and described storage proof test value is inconsistent, described software program starts according to normal sequence.
7. system as claimed in claim 6, it is characterized in that, described storer is RAM storer.
8. system as claimed in claim 7, is characterized in that, described storage data comprise runs variable, setup parameter and proof test value; Described storage proof test value obtains according to described operational factor and the verification of described setup parameter.
9. system as claimed in claim 8, it is characterized in that, described quick recovery system also comprises:
Updating block, for being updated to described storer by the change operation variable in described software program operational process and change parameter;
Carry out verification according to described change operation variable and change parameter and generate change storage proof test value, and be updated in described storer.
10. the system as described in any one of claim 6-10, is characterized in that, described verification unit adopts CRC-32 standard to verify.
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| CN201510383335.0A CN105045146B (en) | 2015-07-03 | 2015-07-03 | A kind of system with reset function and its restart control method |
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| CN201510383335.0A CN105045146B (en) | 2015-07-03 | 2015-07-03 | A kind of system with reset function and its restart control method |
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| CN105808296A (en) * | 2016-03-08 | 2016-07-27 | 江苏万帮德和新能源科技有限公司 | Client side software startup method used for charging pile to safely upgrade own program |
| CN107193555A (en) * | 2017-05-04 | 2017-09-22 | 广州视源电子科技股份有限公司 | Restarting method and device for electrical equipment |
| CN110433047A (en) * | 2019-07-25 | 2019-11-12 | 江苏慧明智能科技有限公司 | Intelligence cleaning device for nursing beds and intelligent cleaning method |
| CN111427327A (en) * | 2019-12-27 | 2020-07-17 | 湖北航天飞行器研究所 | Protection method for abnormal restart of aircraft control software |
| CN111611015A (en) * | 2020-05-18 | 2020-09-01 | 歌尔科技有限公司 | Embedded firmware, starting method and storage equipment |
| CN112417433A (en) * | 2019-08-21 | 2021-02-26 | 纬湃科技投资(中国)有限公司 | Method for checking an application of an electronic control unit |
| CN113553086A (en) * | 2021-07-27 | 2021-10-26 | 歌尔科技有限公司 | Configuration information access method, device and computer readable storage medium |
| CN114488895A (en) * | 2022-01-24 | 2022-05-13 | 郑州大学第三附属医院(河南省妇幼保健院) | Portable pelvic cavity treatment equipment and system |
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| CN113553086A (en) * | 2021-07-27 | 2021-10-26 | 歌尔科技有限公司 | Configuration information access method, device and computer readable storage medium |
| CN114488895A (en) * | 2022-01-24 | 2022-05-13 | 郑州大学第三附属医院(河南省妇幼保健院) | Portable pelvic cavity treatment equipment and system |
| CN114488895B (en) * | 2022-01-24 | 2024-03-29 | 郑州大学第三附属医院(河南省妇幼保健院) | Portable pelvic cavity treatment equipment and system |
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| CN105045146B (en) | 2018-06-26 |
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Denomination of invention: System with reset function and restart control method thereof Effective date of registration: 20191212 Granted publication date: 20180626 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: Shenzhen Poople Science and Technology Co., Ltd. Registration number: Y2019440020035 |
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Date of cancellation: 20210107 Granted publication date: 20180626 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2019440020035 |
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Address after: 518000 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Pubo Medical Technology Co.,Ltd. Address before: 518000 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. |