CN109857347A - The reliable curing method of embedded ground meteorological data based on FLASH - Google Patents
The reliable curing method of embedded ground meteorological data based on FLASH Download PDFInfo
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- CN109857347A CN109857347A CN201910163626.7A CN201910163626A CN109857347A CN 109857347 A CN109857347 A CN 109857347A CN 201910163626 A CN201910163626 A CN 201910163626A CN 109857347 A CN109857347 A CN 109857347A
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Abstract
The present invention proposes the reliable curing method of embedded ground meteorological data based on FLASH, the following steps are included: FLASH storage hardware is divided into 1 record segment, 1 turnover section, 372 solidification sections and 120 standby sections, the real time data that daily meteorological data collection device acquires is buffered in turnover section, it again will be in the real time data disposal solidifying to solidification section that have enough to meet the need section caching until daily meteorological day circle；The present invention by using turnover section and dead section to handle the means of original real time data in the curing process, it can be stored with effective solution FLASH and be likely to occur bad block by the erasable inherent characteristic of block and FLASH and the problem of system clock artificially changes and initial data is caused to be damaged, improve the cured reliability of real time data, can be efficiently against data reliability problem caused by acquisition system abnormal running step, while observation data can also be effectively realized by the method for the invention and reliably read.
Description
Technical field
The present invention relates to data write processing technology fields, more particularly to the embedded ground meteorological data based on FLASH
Reliable curing method.
Background technique
Meteorological data is to reflect that one group of data of weather, meteorological data can be divided into climatological data and synoptic data, national gas
Image information center receives the observational data from the domestic and international main station daily, these data are accumulated over a long period, passage at any time
And becoming climatological data, national gas is sent or are transferred to observational record report and digital material monthly by domestic a part of station
Image information center, these data or report become climatological data part and parcel；In addition, climatological data further includes by various canals
The Other subjects that road the is collected into such as hydrology, data, many years observational record of each meteorological element such as learn and differently count,
Statistical result is known as climatic statistics amount, they are the basic documents of analysis and description climate characteristic and its changing rule, usually makes
There are mean value, total amount, frequency, extreme value, variability, the numbers of days of various weather phenomena and its just phase and certain elements are held all day
Continuous number of days etc., climatic statistics amount has usually required that longer record, to keep resulting statistical result more stable, the general company of taking
Continuous 30 years or more records.
For the solidification of meteorological data saves, there is some drawbacks in existing method, it may appear that because solid
The problem of causing initial data damage to lose due to bad block occur and thinking change system clock during change, and observe number
According to readout be not sufficiently stable, the social demand of high speed development can not be adapted to, the solidification stability of meteorological data is poor, because
This, the present invention proposes the reliable curing method of embedded ground meteorological data based on FLASH, to solve deficiency in the prior art
Place.
Summary of the invention
In view of the above-mentioned problems, the present invention is by handling original real-time number using turnover section and dead section in the curing process
According to means, can with effective solution FLASH store be likely to occur bad block and system by the erasable inherent characteristic of block and FLASH when
The problem of clock artificially changes and initial data is caused to be damaged improves the cured reliability of real time data, while through the invention
Method can also effectively realize observation data and reliably read, very Portable safety.
The present invention proposes the reliable curing method of embedded ground meteorological data based on FLASH, comprising the following steps:
Step 1: the FLASH storage hardware resource that meteorological data collection device embeds is divided into 1 record segment, 1 turnover
Section, 372 solidification sections and 120 standby sections；
Step 2: daily real time data is calculated according to the size of every part of real time data of meteorological data collection device acquisition
Amount, and then calculate and distribute the space size for solidifying section；
Step 3: the storage state information content of estimation 1 year, and the real time data amount acquired according to meteorological data collection device
Appropriate assignment record section space size；
Step 4: the storage state information content of estimation 1 year, and the real time data amount acquired according to meteorological data collection device
Distribution turnover section space size；
Step 5: it is assumed that the case where solidification section will appear bad block, then carries out the bad block being likely to occur in solidification process
Verification；
Step 6: when solidification process starts, the real time data that daily meteorological data collection device acquires is buffered in week first
Turn section, the real time data of section caching will be had enough to meet the need at 20 points again until daily meteorological day circle (meteorological day circle be Beijing time 00 minute)
In disposal solidifying to solidification section.
Further improvement lies in that: 372 solidification sections are 12 months 1 year corresponding in the step 1, monthly longest 31 days, and 120
A standby section is 12 months 1 year corresponding, monthly most certain 10 days, all corresponds to the data write of 1 year timing.
Further improvement lies in that: it must assure that the turnover section space of distribution is big when distribution turnover section space in the step 4
In the real time data amount that meteorological data collection device acquires daily.
Further improvement lies in that: assume that solidifying the bad number of blocks that section is likely to occur is no more than 10 pieces in the step 5.
Further improvement lies in that: in the step 6 if before curing erasing verification when discovery have bad block, need by
The real time data of turnover section caching is cured in corresponding standby section, while corresponding location information is recorded in record segment, really
Data safety is protected to save.
Further improvement lies in that: the time required to can normally being read according to the corresponding location information of the record segment record
Observation data.
Further improvement lies in that: if system clock is artificially changed in solidification process in the step 6, observe in real time
Data are immediately transferred to be buffered in the second part of turnover section, while solidifying the data before clock changes, Deng Daoqi solidifying section
In the temporary observation data of first part for enabling turnover section default again when as day circle, the normal step of repetition is then analogized, really
Data are protected not lose.
The invention has the benefit that the method for the present invention passes through the FLASH storage hardware embedded in meteorological data collection device
Data are observed in middle solidification, are destroyed observation data by abnormal operation, can also be solved by using the corresponding method of Time of Day window
The certainly integrity problem of the surface weather observation data write of 1 year timing, by the curing process using turnover section and spare
Section handles the means of original real time data, and can be stored with effective solution FLASH can by the erasable inherent characteristic of block and FLASH
It is cured reliable to improve real time data for the problem of energy appearance bad block and system clock artificially change and initial data caused to be damaged
Property, in practical applications, the method for the present invention can be reliable efficiently against data caused by acquisition system abnormal running step
Property problem, improves the cured safety and stability of real time data, while can also effectively realize by the method for the invention
Observation data are reliably read, very Portable safety.
Detailed description of the invention
Fig. 1 is FLASH storage architecture schematic diagram of the present invention.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
According to Fig. 1, the present embodiment proposes the reliable curing method of embedded ground meteorological data based on FLASH, packet
Include following steps:
Step 1: the FLASH storage hardware resource that meteorological data collection device embeds is divided into 1 record segment, 1 turnover
Section, 372 solidification sections and 120 standby sections, wherein 372 solidification sections correspondence 12 months 1 year, monthly longest 31 days, 120
Standby section is 12 months 1 year corresponding, monthly most certain 10 days, all corresponds to the data write of 1 year timing；
Step 2: daily real time data is calculated according to the size of every part of real time data of meteorological data collection device acquisition
Amount, and then calculate and distribute the space size for solidifying section；
Step 3: the storage state information content of estimation 1 year, and the real time data amount acquired according to meteorological data collection device
Appropriate assignment record section space size；
Step 4: the storage state information content of estimation 1 year, and the real time data amount acquired according to meteorological data collection device
Distribution turnover section space size, distribution must assure that the turnover section space of distribution is greater than meteorological data collection device when having enough to meet the need section space
The real time data amount acquired daily；
Step 5: it is assumed that the case where solidification section will appear bad block, it is assumed that solidify the bad number of blocks that section is likely to occur and be no more than
10 pieces, then the bad block being likely to occur is verified in solidification process；
Step 6: when solidification process starts, the real time data that daily meteorological data collection device acquires is buffered in week first
Turn section, the real time data of section caching will be had enough to meet the need at 20 points again until daily meteorological day circle (meteorological day circle be Beijing time 00 minute)
In disposal solidifying to solidification section, if discovery has bad block when erasing verifies before curing, need to have enough to meet the need the reality of section caching
When data write to corresponding standby section in, while corresponding location information is recorded in record segment, it is ensured that data safety saves,
Observation data the time required to can normally being read according to the corresponding location information of the record segment record, in solidification process such as
Fruit system clock is artificially changed, and real-time observed data is immediately transferred to be buffered in the second part of turnover section, while solidifying
Section solidifies the data before clock changes, until meteorological day circle in the temporary observation number of first part for enabling turnover section default again
According to then analogizing the normal step of repetition, it is ensured that data are not lost.
The method of the present invention makes to see by the solidification observation data in the FLASH storage hardware that meteorological data collection device embeds
Measured data is not destroyed by abnormal operation, and the Ground Meteorological of 1 year timing can also be solved by using the corresponding method of Time of Day window
The integrity problem for observing data write, by handling original real time data using turnover section and dead section in the curing process
Means, can with effective solution FLASH store be likely to occur bad block and system clock by the erasable inherent characteristic of block and FLASH
The problem of artificially changing and initial data is caused to be damaged improves the cured reliability of real time data, in practical applications, this hair
Bright method can improve real time data efficiently against data reliability problem caused by acquisition system abnormal running step
Cured safety and stability, while observation data can also be effectively realized by the method for the invention and reliably read, very
Portable safety.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. the reliable curing method of embedded ground meteorological data based on FLASH, which comprises the following steps:
Step 1: by meteorological data collection device embed FLASH storage hardware resource be divided into 1 record segment, 1 turnover section,
372 solidification sections and 120 standby sections；
Step 2: calculating daily real time data amount according to the size of every part of real time data of meteorological data collection device acquisition, into
And it calculates and distributes the space size for solidifying section；
Step 3: the storage state information content of estimation 1 year, and it is appropriate according to the real time data amount that meteorological data collection device acquires
Assignment record section space size；
Step 4: the storage state information content of estimation 1 year, and distributed according to the real time data amount of meteorological data collection device acquisition
Have enough to meet the need section space size；
Step 5: it is assumed that the case where solidification section will appear bad block, then verifies the bad block being likely to occur in solidification process；
Step 6: when solidification process starts, being buffered in turnover section for the real time data that daily meteorological data collection device acquires first,
The real time data that section caching will be had enough to meet the need at 20 points again until daily meteorological day circle (meteorological day circle be Beijing time 00 minute) is primary
Property be cured to solidification section in.
2. the embedded ground meteorological data reliable curing method according to claim 1 based on FLASH, feature exist
In: 372 solidification sections are 12 months 1 year corresponding in the step 1, monthly longest 31 days, and corresponding 1 year of 120 standby sections 12
Month, monthly most certain 10 days, all correspond to the data write of 1 year timing.
3. the embedded ground meteorological data reliable curing method according to claim 1 based on FLASH, feature exist
In: it must assure that the turnover section space of distribution is daily greater than meteorological data collection device when distribution turnover section space in the step 4
The real time data amount of acquisition.
4. the embedded ground meteorological data reliable curing method according to claim 1 based on FLASH, feature exist
In: assume that solidifying the bad number of blocks that section is likely to occur is no more than 10 pieces in the step 5.
5. the embedded ground meteorological data reliable curing method according to claim 1 based on FLASH, feature exist
In: if discovery has bad block when erasing verifies before curing in the step 6, need to have enough to meet the need the real time data of section caching
It is cured in corresponding standby section, while recording corresponding location information in record segment, it is ensured that data safety saves.
6. the embedded ground meteorological data reliable curing method according to claim 5 based on FLASH, feature exist
In: the observation data the time required to can normally being read according to the corresponding location information of the record segment record.
7. the embedded ground meteorological data reliable curing method according to claim 1 based on FLASH, feature exist
In: if system clock is artificially changed in solidification process in the step 6, real-time observed data is immediately transferred to be buffered in
The second part of section is had enough to meet the need, while solidifying the data before clock changes solidifying section, is enabling week again until meteorological day circle
The temporary observation data of first part for turning section default, then analogize the normal step of repetition, it is ensured that data are not lost.
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| CN102722443A (en) * | 2012-05-21 | 2012-10-10 | 三星半导体(中国)研究开发有限公司 | Bad block management method for flash memory |
| CN105868071A (en) * | 2016-03-23 | 2016-08-17 | 乐视网信息技术（北京）股份有限公司 | Monitoring data processing method and device |
| CN107102821A (en) * | 2017-04-21 | 2017-08-29 | 济南浪潮高新科技投资发展有限公司 | A kind of NAND FLASH arrays write the processing method of failure |
| CN108536390A (en) * | 2017-03-03 | 2018-09-14 | 慧荣科技股份有限公司 | Data storage device and block release method thereof |
| CN108628538A (en) * | 2017-03-17 | 2018-10-09 | 北京兆易创新科技股份有限公司 | Date storage method and device in a kind of NAND Flash |
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2019
- 2019-03-05 CN CN201910163626.7A patent/CN109857347B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722443A (en) * | 2012-05-21 | 2012-10-10 | 三星半导体(中国)研究开发有限公司 | Bad block management method for flash memory |
| CN105868071A (en) * | 2016-03-23 | 2016-08-17 | 乐视网信息技术（北京）股份有限公司 | Monitoring data processing method and device |
| CN108536390A (en) * | 2017-03-03 | 2018-09-14 | 慧荣科技股份有限公司 | Data storage device and block release method thereof |
| CN108628538A (en) * | 2017-03-17 | 2018-10-09 | 北京兆易创新科技股份有限公司 | Date storage method and device in a kind of NAND Flash |
| CN107102821A (en) * | 2017-04-21 | 2017-08-29 | 济南浪潮高新科技投资发展有限公司 | A kind of NAND FLASH arrays write the processing method of failure |
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