CN105538917B - A kind of anti-error consumable chip and control method - Google Patents
A kind of anti-error consumable chip and control method Download PDFInfo
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- CN105538917B CN105538917B CN201610126809.8A CN201610126809A CN105538917B CN 105538917 B CN105538917 B CN 105538917B CN 201610126809 A CN201610126809 A CN 201610126809A CN 105538917 B CN105538917 B CN 105538917B
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- consumable chip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- Record Information Processing For Printing (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The present invention is inkjet printing field, and in particular to a kind of anti-error consumable chip and control method.The technical scheme is that:A kind of anti-error consumable chip, including chip control circuit, for the data storage cell of data storage, the data storage cell includes ROM areas and RAM areas, and the ROM areas include main data area and backup area；The RAM areas are used for printer described in interim storage and sent to the write-in data of this kind of anti-error consumable chip；Preserve primary data in the main data area；The backup area is used to preserve the primary data；The main data area can receive the said write data from the RAM areas, and said write data cover is replaced into the primary data.It is an object of the invention to provide the anti-error consumable chip of one kind and control method, under some exceptional conditions, the data storage cell error of consumable chip, system can recover normal data, not influence consumptive material normally to use.
Description
Technical field
The present invention is inkjet printing field, and in particular to a kind of anti-error consumable chip and control method.
Background technology
With the popularization of office automation, printing device has been indispensable equipment in office activity, printed
, it is necessary to printer host and the consumptive material such as print cartridge etc in journey.In consumptive material service stage, it is necessary to the supplemental characteristic of consumptive material in itself and
Usage amount data, these data storages are among consumable chip, and the accuracy of these data, stability, integrality are to consumptive material
Proper use of influence greatly, this just has higher requirement to consumable chip for the processing mode of data.
In order to ensure the stability of consumable chip processing data, the production firm of each chip can be right in chip technology flow
It is tested.But the test in this stage is a kind of general test, test is limited in scope, and number of times is also few, cause
In actual use, if being due to the change of working environment, such as voltage instability, power failure can cause the memory work of consumable chip
Make abnormal, the corrupt data of chip is stored in originally, so as to cause whole printer not use normally.
The content of the invention
It is an object of the invention to provide the anti-error consumable chip of one kind and control method, under some exceptional conditions,
The data storage cell error of consumable chip, system can recover normal data, not influence printer normally to use.
The present invention above-mentioned technical purpose technical scheme is that：A kind of anti-error consumable chip,
Including chip control circuit, for the data storage cell of data storage, for the communication unit with printer communication, its feature
It is：
The data storage cell includes ROM areas and RAM areas, and the ROM areas include main data area and backup area；
The RAM areas are used for printer described in interim storage and sent to the write-in data of this kind of anti-error consumable chip；
Preserve primary data in the main data area；
The backup area is used to preserve the primary data；
The main data area can receive the said write data from the RAM areas, and said write data cover is replaced
Change the primary data.
The primary data of this kind of anti-error consumable chip script is stored in the main data area, is write when printer is sent
Enter order, it is necessary to which new data are write, i.e., said write data write, directly covering storage does not enter said write data
The main data area, but the RAM areas are first stored in, on the other hand, originally in the primary data of the main data area
The backup area is first backuped to temporarily, starts data storage afterwards, when said write data are successfully written to from the RAM areas
Behind the main data area, the primary data of the backup area can be removed, if write-in failure, then by the primary data
The main data area is reverted to from the backup area, so, the data write-in failure when spread of voltage, entirely
The data of consumable chip also maintains stability, not be damaged, and be not in the situation that consumptive material can not be used, the whole printing of increase
The stability of equipment.
As a preference of the present invention, after the printer sends said write data to the anti-error consumable chip,
The anti-error consumable chip can send feedback data to the printer.
After the printer sends writing commands, it can send described as responding and feeding back this kind of anti-error consumable chip
Feedback data gives the printer, it is therefore an objective to reply the working condition of itself.
As a preference of the present invention, the feedback data includes the chip for being used for representing the anti-error consumable chip state
Status data.
The chip status data are present among the feedback data, and different numerical value reacts itself different shapes
State.
As a preference of the present invention, the chip status data existence normal data, writing commands format error number
According to over range data.
It is 0 as chip oneself state is normal, it is then 1 that said write order, which is detected parameter format mistake, if described
The numerical value for writing data exceeds the memory range of the data storage cell, and numerical value is 2.
As a preference of the present invention, the feedback data also includes check code, the check code is tested for the printer
Whether demonstrate,prove the consumptive material is original-pack consumptive material.
Likewise, if checking demand, check code can be included in the feedback data, the printer passes through institute
Check code is stated to verify the original-pack property of consumptive material.
As a preference of the present invention, said write data are stored in the RAM areas, comprising write-in data initial address, write
Enter data length and write-in data value.
As printer sends order, said write data are sended over, it is specific to implement, Gu can for device address+
Determine byte+command word+write-in data length+write-in data initial address+write-in data value, said write data length itself
Length is 1 byte, and said write data initial address is 4 bytes, so, the length of said write data value is said write number
5 bytes are subtracted according to length.
As a preference of the present invention, after the primary data backups to the backup area from the main data area, can quilt
Mark is write in addition.
Add it is described write after mark, system, which will be authenticated, learns that this data is the correctly primary data, it is laggard
Also certification can be subject to when row data recovery, so as to lift security.
As a preference of the present invention, during the primary data backups to the backup area from the main data area, comprising first
Beginning data initial address, primary data length, initial data values and described write mark.
As a preference of the present invention, the ROM areas, which are included, includes sector auxiliary information table in multiple sectors, the ROM areas, it is described
The corresponding numbering in each sector of sector auxiliary information token record, offset address and total length of data information.
For the ease of data search and storage, the ROM zonings are divided into multiple sectors, the sector has multiple, institute
Some information is all recorded in a sector auxiliary information table, accordingly, in such an embodiment the institute in said write data
The information such as the sector number of the sector that needs write will be recorded by stating data initial address.
As a preference of the present invention, the sector is more than or equal to 13.
A kind of control method of anti-error consumable chip, it is characterised in that comprise the following steps：
Step 1: order forwarding step：
The printer sends to this kind of anti-error consumable chip and writes data command, and write data order is write comprising described
Enter data；
Step 2: chip feedback step：
This kind of anti-error consumable chip sends the feedback data to the printer；
Step 3: data are stored in RAM steps：
Said write data deposit RAM areas；
Step 4: primary data backup-step：
The primary data in the main data area is backed up into the backup area；
Step 5: data write step：
The said write data for being stored in the RAM areas write the main data area；
As a preference of the present invention, after step 5, if said write data smoothly write the main data area, institute
The primary data stated in backup area is eliminated.
As a preference of the present invention, after step 5, if said write data write the main data area failure, entering
Data restoration step, the main data area is reverted to by the primary data.
As a preference of the present invention, after the data restoration step, into detecting step, detecting the anti-error consumption
Whether material chip recovers normal, if so, then reentering step one.
As a preference of the present invention, when reentering step one failure twice, the printer reports an error, do not retransmit described
Write data.
If repeating transmission all fails twice, the printer no longer retransmits order, directly reports an error.
As a preference of the present invention, in step 4, the primary data is written in the backup area, the initial number
Mark is write according to that can be added into.
As a preference of the present invention, after step 5, if said write data write the main data area failure, entering
Data restoration step, the main data area is reverted to by the primary data, now needs to detect whether to write mark in the presence of described,
If in the presence of the primary data is reverted into the main data area.
In summary, the present invention has the advantages that：
1st, before write-in data enter the main data area, the primary data can be backed up, if data write
Failure, then recover the primary data, it is ensured that the data integrity and stability of consumable chip.
2nd, after the primary data is backed up, can be added into it is described write mark, verified when recovery, security
It is high.
3rd, the ROM areas include multiple sectors, and data access read-write is convenient.
4th, the feedback information includes chip status data, so that printer obtains chip status.
5th, the feedback information includes identifying code, can check whether it is original-pack consumptive material.
Brief description of the drawings
Fig. 1 is the hardware connection diagram of embodiment 1；
Fig. 2 is control method flow chart in embodiment 1；
Fig. 3 is control method flow chart in embodiment 2.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Embodiment 1, as depicted in figs. 1 and 2：A kind of anti-error consumable chip, including chip control circuit, for storing number
According to data storage cell, for the communication unit with printer communication,
Data storage cell includes ROM areas and RAM areas, and ROM areas include main data area and backup area；RAM areas are used for interim
Storage printer is sent to the write-in data of this kind of anti-error consumable chip；Preserve primary data in main data area；Backup area is used
In preservation primary data；Main data area can receive the write-in data from RAM areas, and write-in data cover is replaced into initial number
According to.In the present embodiment, ROM areas use for EEPROM.
The primary data of this kind of anti-error consumable chip script is stored in main data area, when printer transmission writing commands,
Need new data write-in, that is, write data write-in, directly covering is not stored in into main data area write-in data, but first
RAM areas are stored in, on the other hand, the primary data in main data area first backups to backup area temporarily originally, starts data afterwards
Storage, after write-in data are successfully written to main data area from RAM areas, can remove the primary data of backup area, if writing
Enter failure, then primary data is reverted into main data area from backup area, so, data are write when spread of voltage
Enter failure, the data of whole consumable chip also maintains stability, not be damaged, and be not in the situation that consumptive material can not be used,
Increase the stability of whole printing device.
After printer sends write-in data to anti-error consumable chip, anti-error consumable chip can send anti-to printer
Present data.After printer sends writing commands, feedback data can be sent as responding and feeding back this kind of anti-error consumable chip
To printer, it is therefore an objective to reply the working condition of itself.Feedback data includes the core for being used for representing anti-error consumable chip state
Piece status data.Chip status data are present among feedback data, and different numerical value reacts different oneself states.Chip
Status data existence normal data, writing commands format error data and over range data.As chip oneself state is normal
For 0, it is then 1 that writing commands, which are detected parameter format mistake, if numerical value the depositing beyond data storage cell of write-in data
Scope is stored up, numerical value is 2.
Feedback data also includes check code, and check code is used for whether printer checking consumptive material to be original-pack consumptive material.In feedback coefficient
Check code can be included in, printer verifies the original-pack property of consumptive material by check code.
Write in data deposit RAM areas, include write-in data initial address, write-in data length and write-in data value.Such as
Printer sends order, and write-in data are sended over, specific to implement, can for device address+fixed byte+command word+
Data length+write-in data initial address+write-in data value is write, this body length of write-in data length is 1 byte, writes number
It is 4 bytes according to initial address, so, the length of write-in data value subtracts 5 bytes for write-in data length.
After primary data backups to backup area from main data area, it can be added into and write mark.Addition is write after mark, and system is just
Meeting certification learns that this data is correct primary data, carries out also being subject to certification when data recovery after, so as to carry
Rise security.
During primary data backups to backup area from main data area, comprising primary data initial address, primary data length, just
Beginning data value and write mark.ROM areas include and sector auxiliary information table are included in multiple sectors, ROM areas, each fan of sector auxiliary information token record
The corresponding numbering in area, offset address and total length of data information.For the ease of data search and storage, ROM zonings are divided into many
There are multiple, all information and all record in a sector auxiliary information table in individual sector, sector, accordingly, in such an embodiment
Data initial address in write-in data, which will be recorded, needs the information such as sector number for writing sector.Sector is more than or equal to 13
It is individual.
A kind of control method of anti-error consumable chip, it is characterised in that comprise the following steps：
Step 1: order forwarding step：
Printer sends to this kind of anti-error consumable chip and writes data command, writes data command and includes write-in data；
Step 2: chip feedback step：
This kind of anti-error consumable chip sends feedback data to printer；
Step 3: data are stored in RAM steps：
Write data deposit RAM areas；
Step 4: primary data backup-step：
Primary data in main data area is backed up into backup area；
Step 5: data write step：
It is stored in the write-in data write-in main data area in RAM areas；
As shown in Fig. 2 initially entering step one, order forwarding step, printer sends write-in data to this kind of anti-error
Chip, command format is：Device address+data length+command word+sector number+offset address+write-in data
Value, in the present embodiment, device address are 0x25, and data length is 1 byte, and command word is 0x06, and sector number has 2 bytes,
Offset address has 2 bytes, and write-in data are code table data to be modified, and its length subtracts 5 equal to data length.Need explanation
, in the present embodiment, ROM areas include multiple sectors, and sector number+offset address here together constitutes write-in data
Initial address.
Sector auxiliary information table, since the 0XC1CA of address, every 8 bytes are 1 sector auxiliary information table, totally 13 sectors.Sector
Initial address and write-in data initial address are calculated as follows：
The+the 5 byte values of byte value * 0X100 of sector-start-address=0XC1CA+the 4.
Write data initial address=sector-start-address+write-in data address offset.
So far, step one terminates.
Then, step 2, chip feedback step：This kind of anti-error consumable chip sends feedback data to printer.Now
The form of the order of transmission is fixed byte+data length+chip status
Fixed byte is 0x20, and data length is equal to reading length and adds 1, and chip status is 1 byte, represents that chip processing is
It is no wrong, at this moment often there are three kinds of situations, be normally 0, writing commands parameter length is not to for 1, writing address exceeds chip
Memory range is 2.
So far step 2 terminates.
Primary data, is deposited into RAM areas by step 3, and information is comprised at least：Sector number, write-in data initial address, write
Enter data length, write-in data value.
Primary data, is backuped to backup area by step 4, and mark is write in addition, and information is comprised at least：Sector number, initial number
According to initial address, primary data length, initial data values, write mark.
Enter step 5, the write-in data write-in main data area in deposit RAM areas afterwards
If the primary data that write-in data are smoothly write in main data area, backup area is eliminated.If writing data write-in
Main data area fails, then into data restoration step, primary data is reverted into main data area.
After data restoration step, into detecting step, detect whether anti-error consumable chip recovers normal, if so,
Then reenter step one.When reentering step one failure twice, printer is reported an error, and write-in data are not retransmited.If weight
Hair all fails twice, and printer no longer retransmits order, directly reports an error.
Embodiment 2：It is not both step one and step 2 with embodiment 1, in step one, in the information for writing data,
Check code is contained, and in step 2, the order of transmission is device address+fixed byte+feedback data, device address
For 1 byte, its value can be 0x60,0x62,0x64,0x66 and 0x68；The value of fixed byte is 0x82；Feedback data is verification
Code, original-pack consumptive material is determined whether for printer, and its length is the byte that consumable chip sends the feedback data in order 1
Number.
Claims (15)
1. a kind of anti-error consumable chip, including chip control circuit, for the data storage cell of data storage, for beating
The communication unit of print machine communication, it is characterised in that：
The data storage cell includes ROM areas and RAM areas, and the ROM areas include main data area and backup area；
The RAM areas are used for printer described in interim storage and sent to the write-in data of this kind of anti-error consumable chip；
Preserve primary data in the main data area；
The backup area is used to preserve the primary data；
The main data area can receive the said write data from the RAM areas, and said write data cover is replaced into institute
State primary data；
Said write data are stored in the RAM areas, include write-in data initial address, write-in data length and write-in data
Value, after the primary data backups to the backup area from the main data area, can be added into and write mark.
2. a kind of anti-error consumable chip according to claim 1, it is characterised in that：When the printer is prevented to described
Wrong consumable chip is sent after said write data, and the anti-error consumable chip can send feedback data to the printer.
3. a kind of anti-error consumable chip according to claim 2, it is characterised in that：The feedback data, which is included, is used for table
Show the chip status data of the anti-error consumable chip state.
4. a kind of anti-error consumable chip according to claim 3, it is characterised in that：There is shape in the chip status data
State normal data, writing commands format error data and over range data.
5. a kind of anti-error consumable chip according to Claims 2 or 3 or 4, it is characterised in that：The feedback data is also wrapped
Containing check code, the check code is used for the printer and verifies whether the consumptive material is original-pack consumptive material.
6. a kind of anti-error consumable chip according to claim 1, it is characterised in that：The primary data is from the main number
Backuped to according to area in the backup area, comprising primary data initial address, primary data length, initial data values and described write mark
Note.
7. a kind of anti-error consumable chip according to claim 1, it is characterised in that：The ROM areas include multiple sectors,
Sector auxiliary information table, the corresponding numbering in each sector of the sector auxiliary information token record, offset address and data are included in the ROM areas
Total length information.
8. a kind of anti-error consumable chip according to claim 7, it is characterised in that：The sector is more than or equal to 13
It is individual.
9. a kind of control method of anti-error consumable chip as described in claim 1-8 any one, it is characterised in that bag
Containing following steps：
Step 1: order forwarding step：
The printer sends to this kind of anti-error consumable chip and writes data command, and write data order includes said write number
According to；
Step 2: chip feedback step：
This kind of anti-error consumable chip sends feedback data to the printer；
Step 3: data are stored in RAM steps：
Said write data deposit RAM areas；
Step 4: primary data backup-step：
The primary data in the main data area is backed up into the backup area；
Step 5: data write step：
The said write data for being stored in the RAM areas write the main data area.
10. the control method of anti-error consumable chip according to claim 9, it is characterised in that：After step 5, if
Said write data smoothly write the main data area, then the primary data in the backup area is eliminated.
11. the control method of the anti-error consumable chip according to claim 9 or 10, it is characterised in that：After step 5,
If said write data write the main data area failure, into data restoration step, the primary data is reverted into institute
State main data area.
12. the control method of anti-error consumable chip according to claim 11, it is characterised in that：In the data recovery
After step, into detecting step, detect whether the anti-error consumable chip recovers normal, if so, then reentering step
One.
13. the control method of anti-error consumable chip according to claim 12, it is characterised in that：When reentering step
Twice, the printer is reported an error, and said write data are not retransmited for one failure.
14. the control method of anti-error consumable chip according to claim 9, it is characterised in that：It is described in step 4
Primary data is written in the backup area, and the primary data, which can be added into, writes mark.
15. the control method of anti-error consumable chip according to claim 14, it is characterised in that：After step 5, if
Said write data write the main data area failure, then into data restoration step, the primary data are reverted to described
Main data area, now need to detect whether to exist it is described write mark, if in the presence of the primary data is reverted into the main number
According to area.
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| CN201610126809.8A CN105538917B (en) | 2016-03-07 | 2016-03-07 | A kind of anti-error consumable chip and control method |
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| CN201610126809.8A CN105538917B (en) | 2016-03-07 | 2016-03-07 | A kind of anti-error consumable chip and control method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109977656B (en) | 2019-04-08 | 2019-12-20 | 广州众诺电子技术有限公司 | Identity verification method, consumable cartridge and storage medium |
| CN110712435B (en) * | 2019-09-29 | 2021-09-21 | 佛山普瑞威尔科技有限公司 | Printing program burning method, chip and printing consumable |
| CN110712436B (en) * | 2019-10-15 | 2021-09-28 | 前海联大（深圳）技术有限公司 | Printing program burning method, chip and printing consumable |
| CN111016465B (en) * | 2019-12-24 | 2021-09-07 | 珠海艾派克微电子有限公司 | Chip and imaging box |
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| CN102431286A (en) * | 2010-08-30 | 2012-05-02 | 精工爱普生株式会社 | Data storage processing apparatus in printing apparatus, printing apparatus, and data storage processing method |
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