CN110333828A - EEPROM date storage method, controller and system - Google Patents
EEPROM date storage method, controller and system Download PDFInfo
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- CN110333828A CN110333828A CN201910629465.6A CN201910629465A CN110333828A CN 110333828 A CN110333828 A CN 110333828A CN 201910629465 A CN201910629465 A CN 201910629465A CN 110333828 A CN110333828 A CN 110333828A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0632—Configuration or reconfiguration of storage systems by initialisation or re-initialisation of storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Read Only Memory (AREA)
Abstract
The present invention provides a kind of EEPROM date storage method, controller and system, which is applied to controller, comprising: divides data buffer area, when receiving data write-in triggering, is written into data write-in data buffer area；When working environment meets unloading condition, the data to be written in data buffer area are written in EEPROM；When receiving reset signal, reads the data in EEPROM and carry out program initialization, and with the corresponding state operation of the data being ultimately written in EEPROM.Scheme provided by the invention can effectively improve the service life of EEPROM.
Description
Technical field
The present invention relates to equipment control technology fields, in particular to EEPROM date storage method, controller and system.
Background technique
Coal changes in the household electrical appliances such as unit machine, air-conditioning used in electricity and intelligent water heater, and it is programmable only to have generally comprised wiping
Read the single-chip microcontroller of memory (Electrically Erasable Programmable Read-Only Memory, EEPROM).
For household electrical appliances, it is saved in EEPROM due to operating to be required to operate every time, while operating frequency is bigger, so that in it
The data that the EEPROM in portion is saved are very more.
Currently, the EEPROM data storage method of single-chip microcontroller is mainly that operating result is required to be synchronously written into each time
In EEPROM, such as unit machine used in coal changes electricity, changing set temperature, parameter is arranged in operational mode
When, it can synchronize the storage of this operation result into EEPROM.Due to EEPROM for write-in number be it is conditional, do not stop
The write-in of progress EEPROM will affect its service life, will lead to EEPROM failure more than maximum write-in number, thus
The normal operation of equipment where influencing it.
Summary of the invention
The embodiment of the invention provides EEPROM date storage method, controller and systems, can effectively improve
The service life of EEPROM.
EEPROM date storage method is applied to controller, divides data buffer area, further includes:
When receiving data write-in triggering, it is written into data and the data buffer area is written；
When working environment meets unloading condition, the data to be written in the data buffer area are written to EEPROM
In；
When receiving reset signal, the data read in the EEPROM carry out program initialization, and to be ultimately written
The corresponding state operation of data in EEPROM.
Preferably, the working environment meets unloading condition, comprising:
The supply voltage detected is not more than first voltage threshold value, and is not less than second voltage threshold value, the first voltage
Threshold value and the second voltage threshold difference are not less than 2V, and the second voltage threshold value is not less than 2.5V.
Preferably, the working environment meets unloading condition, comprising:
The total amount of data of the data to be written of the data buffer area write-in reaches preset storage threshold value.
Preferably,
According to following calculation formula, the first voltage threshold value is calculated；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
Preferably,
When the supply voltage is 5V, the first voltage threshold value is 4.8, and the second voltage threshold value is 2.75V.
Preferably,
The power supply circuit of the supply voltage includes: the C6 capacitor and C7 capacitor being connected in parallel；The C6 capacitor and described
C7 capacitor is in parallel with the power supply module in the controller.
Controller, comprising: data buffer area, first processing units and the second processing unit, wherein
The first processing units, for being written into data and the data being written when receiving data write-in triggering
Buffer area；
Described the second processing unit, for when working environment meets unloading condition, by the data buffer area to
Write-in data are written in EEPROM, and when receiving reset signal, the data progress program read in the EEPROM is initial
Change, and with the corresponding state operation of the data being ultimately written in EEPROM.
Preferably,
The working environment meets unloading condition, comprising:
The supply voltage detected is not more than first voltage threshold value, and is not less than second voltage threshold value, the first voltage
Threshold value and the second voltage threshold difference are not less than 2V, and the second voltage threshold value is not less than 2.5V.
Preferably,
Described the second processing unit is further used for calculating the first voltage threshold value according to following calculation formula；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
EEPROM data-storage system, comprising:
Any of the above-described controller and EEPROM.
The embodiment of the invention provides EEPROM date storage method, controller and system, EEPROM data storages
Method is applied to controller, by dividing data buffer area, when receiving data write-in triggering, is written into data write-in number
According to buffer area；When working environment meets unloading condition, the data to be written in data buffer area are written in EEPROM；?
When receiving reset signal, the data read in EEPROM carry out program initialization, and to be ultimately written the data in EEPROM
Corresponding state operation, since above-mentioned data storage procedure is when working environment meets unloading condition, just by the to be written of caching
Data are written in EEPROM, reduce write-in number, so as to effectively improve the service life of EEPROM.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of flow chart of EEPROM date storage method provided by one embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of EEPROM date storage method flow chart；
Fig. 3 is a kind of structural schematic diagram of controller provided by one embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of EEPROM data-storage system provided by one embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, being applied to controller, the party the embodiment of the invention provides a kind of EEPROM date storage method
Method may comprise steps of:
Step 101: dividing data buffer area；
Step 102: when receiving data write-in triggering, being written into data write-in data buffer area；
Step 103: when working environment meets unloading condition, the data to be written in data buffer area being written to
In EEPROM；
Step 104: when receiving reset signal, the data read in EEPROM carry out program initialization, and with last
The corresponding state operation of data in EEPROM is written.
It in the embodiment shown in fig. 1,, will be to be written when receiving data write-in triggering by dividing data buffer area
Enter data write-in data buffer area；When working environment meets unloading condition, the data to be written in data buffer area are written
Into EEPROM；When receiving reset signal, the data read in EEPROM carry out program initialization, and to be ultimately written
The corresponding state operation of data in EEPROM, since above-mentioned data storage procedure is to work as working environment to meet unloading condition,
The data to be written of caching are written in EEPROM, write-in number is reduced, so as to effectively improve making for EEPROM
Use the service life.
The case where specific implementation that above-mentioned working environment meets unloading condition may include two kinds, the first is powers off
Under, second of data for buffer area stores total amount and reaches storage threshold value.
For the first, specific implementation are as follows:
The supply voltage detected is not more than first voltage threshold value, and is not less than second voltage threshold value, first voltage threshold value
It is not less than 2V with second voltage threshold difference, and second voltage threshold value is not less than 2.5V.
Wherein, according to following calculation formula, first voltage threshold value is calculated；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
In addition, for for first voltage threshold value and second voltage threshold value, when supply voltage is 5V, first voltage threshold value
It is 4.8, second voltage threshold value is 2.75V.
For second, specific implementation are as follows:
The total amount of data of the data to be written of data buffer area write-in reaches preset storage threshold value.
In an alternative embodiment of the invention, the power supply circuit of above-mentioned supply voltage includes: the C6 capacitor and C7 being connected in parallel
Capacitor；C6 capacitor and C7 capacitor are in parallel with the power supply module in the controller.Wherein, C6 capacitor is electrolytic capacitor 100u/
16V。
As shown in Fig. 2, being applied to controller, the party the embodiment of the invention provides a kind of EEPROM date storage method
Method may comprise steps of:
Step 200: dividing data buffer area for controller；
Step 201: being controller power supply by power supply module；
The power supply circuit of supply voltage includes: the C6 capacitor and C7 capacitor being connected in parallel；The C6 capacitor and C7 electricity
Hold in parallel with the power supply module in the controller.The C6 capacitor can be electrolytic capacitor 100u/16V.
Step 202: when receiving data write-in triggering, being written into data write-in data buffer area；
Data write-in triggering can trigger key for external user and change unit machine, air-conditioning used in electricity and intelligence to coal
The household electrical appliances such as energy water heater carry out parameter regulation.The data to be written are the parameter such as set temperature of change, operation mould regulated and controled
Formula etc..
Step 203: judging whether the supply voltage detected is less than or equal to first voltage threshold value, and be more than or equal to the second electricity
Threshold value is pressed, if so, thening follow the steps 204；Otherwise, step 205 is executed；
Step 204: the data to be written in data buffer area being written in EEPROM, and execute step 206；
Step 205: judging whether the total amount of data of the data to be written of data buffer area write-in reaches preset storage threshold
Value, if so, thening follow the steps 204；Otherwise, step 207 is executed；
Step 206: when receiving reset signal, the data read in EEPROM carry out program initialization, and with last
The corresponding state operation of data in EEPROM is written, and terminates current process；
The capacity of EEPROM is from 128 bytes, 258 bytes, 512 bytes etc.
Step 207: continuing to be written into data buffer storage and enter data buffer area, and execute step 203.
There is no strict sequence between above-mentioned steps 203 and step 205, i.e., step 205 can also be first carried out, in step
When 205 judging results are no, step 203 is executed, step 207 is executed when step 203 is judged as NO, then step 207 has executed
At rear execution step 207.
As shown in figure 3, the embodiment of the present invention provides a kind of controller, which includes: data buffer area 301, first
Processing unit 302 and the second processing unit 303, wherein
First processing units 302, for being written into data write-in data buffer area when receiving data write-in triggering
301；
The second processing unit 303 will be to be written in data buffer area 301 for when working environment meets unloading condition
Enter data to be written in EEPROM, when receiving reset signal, read EEPROM in data carry out program initialization, and with
The corresponding state operation of the data being ultimately written in EEPROM.
In an alternative embodiment of the invention, above-mentioned working environment meets unloading condition, comprising: the supply voltage detected is not
Greater than first voltage threshold value, and it is not less than second voltage threshold value, first voltage threshold value and second voltage threshold difference are not less than 2V,
And second voltage threshold value is not less than 2.5V.
In an alternative embodiment of the invention, the second processing unit 303 are further used for being calculated according to following calculation formula
First voltage threshold value；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
The contents such as the information exchange between each unit, implementation procedure in above controller, due to real with the method for the present invention
It applies example and is based on same design, for details, please refer to the description in the embodiment of the method for the present invention, and details are not described herein again.
As shown in figure 4, the embodiment of the present invention provides a kind of EEPROM data-storage system, the EEPROM data-storage system
Include:
Any of the above-described controller 401 and EEPROM402.
Controller 401 is connected by SDA, SCL designated lane with EEPROM402.
The embodiment of the invention provides a kind of readable mediums, including execute instruction, when the processor of storage control executes
Described when executing instruction, the storage control executes the method that any of the above-described embodiment of the present invention provides.
The embodiment of the invention provides a kind of storage controls, comprising: processor, memory and bus；The memory
It is executed instruction for storing, the processor is connect with the memory by the bus, when the storage control is run
When, the processor executes the described of memory storage and executes instruction, so that the storage control executes in the present invention
The method that any embodiment offer is provided.
In conclusion more than the present invention each embodiment at least has the following beneficial effects:
1, it in embodiments of the present invention, by dividing data buffer area, when receiving data write-in triggering, is written into
Data buffer area is written in data；When working environment meets unloading condition, the data to be written in data buffer area are written to
In EEPROM；When receiving reset signal, the data read in EEPROM carry out program initialization, and to be ultimately written
The corresponding state operation of data in EEPROM, since above-mentioned data storage procedure is to work as working environment to meet unloading condition,
The data to be written of caching are written in EEPROM, write-in number is reduced, so as to effectively improve making for EEPROM
Use the service life.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation
Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-
It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ", is not arranged
Except there is also other identical factors in the process, method, article or apparatus that includes the element.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
In the various media that can store program code such as disk.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (10)
1.EEPROM date storage method, which is characterized in that be applied to controller, divide data buffer area, further includes:
When receiving data write-in triggering, it is written into data and the data buffer area is written；
When working environment meets unloading condition, the data to be written in the data buffer area are written in EEPROM；
When receiving reset signal, the data read in the EEPROM carry out program initialization, and to be ultimately written
The corresponding state operation of data in EEPROM.
2. EEPROM date storage method according to claim 1, which is characterized in that the working environment meets unloading item
Part, comprising:
The supply voltage detected is not more than first voltage threshold value, and is not less than second voltage threshold value, the first voltage threshold value
It is not less than 2V with the second voltage threshold difference, and the second voltage threshold value is not less than 2.5V.
3. EEPROM date storage method according to claim 1, which is characterized in that the working environment meets unloading item
Part, comprising:
The total amount of data of the data to be written of the data buffer area write-in reaches preset storage threshold value.
4. EEPROM date storage method according to claim 2, which is characterized in that
According to following calculation formula, the first voltage threshold value is calculated；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
5. EEPROM date storage method according to claim 2, which is characterized in that
When the supply voltage is 5V, the first voltage threshold value is 4.8, and the second voltage threshold value is 2.75V.
6. EEPROM date storage method according to claim 2, which is characterized in that
The power supply circuit of the supply voltage includes: the C6 capacitor and C7 capacitor being connected in parallel；The C6 capacitor and C7 electricity
Hold in parallel with the power supply module in the controller.
7. controller characterized by comprising data buffer area, first processing units and the second processing unit, wherein
The first processing units, for being written into data and the data buffer storage being written when receiving data write-in triggering
Area；
Described the second processing unit will be to be written in the data buffer area for when working environment meets unloading condition
Data are written in EEPROM, when receiving reset signal, are read the data in the EEPROM and are carried out program initialization, and
With the corresponding state operation of the data being ultimately written in EEPROM.
8. controller according to claim 7, which is characterized in that
The working environment meets unloading condition, comprising:
The supply voltage detected is not more than first voltage threshold value, and is not less than second voltage threshold value, the first voltage threshold value
It is not less than 2V with the second voltage threshold difference, and the second voltage threshold value is not less than 2.5V.
9. controller according to claim 8, which is characterized in that
Described the second processing unit is further used for calculating the first voltage threshold value according to following calculation formula；
Calculation formula:
Wherein, U characterizes supply voltage；K characterizes first voltage threshold value.
10.EEPROM data-storage system characterized by comprising
Claim 7 to the 9 any controller and EEPROM.
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| CN201910629465.6A CN110333828B (en) | 2019-07-12 | 2019-07-12 | EEPROM data storage method, controller and system |
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| CN201910629465.6A CN110333828B (en) | 2019-07-12 | 2019-07-12 | EEPROM data storage method, controller and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11495290B2 (en) | 2020-09-18 | 2022-11-08 | Kioxia Corporation | Memory system and power supply circuit with power loss protection capability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11495290B2 (en) | 2020-09-18 | 2022-11-08 | Kioxia Corporation | Memory system and power supply circuit with power loss protection capability |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110333828B (en) | 2023-07-07 |
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