CN102377894B - Method and device for revising imaging box chip - Google Patents
Method and device for revising imaging box chip Download PDFInfo
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- CN102377894B CN102377894B CN201010254626.7A CN201010254626A CN102377894B CN 102377894 B CN102377894 B CN 102377894B CN 201010254626 A CN201010254626 A CN 201010254626A CN 102377894 B CN102377894 B CN 102377894B
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Abstract
The invention discloses a method and a device for revising an imaging box chip. The method comprises the following steps of: acquiring a communication protocol and an algorithm between an imaging device and the imaging box chip; based on the communication protocol and the algorithm, which are acquired, reading out state information data in the imaging box chip; according to a revising principle which corresponds to a target revising value, revising the state information data which is read out, and writing the state information data which is revised into the imaging box chip; and judging whether a state information value which is output by the imaging box chip accords with the target revising value, and when the state information value does not accord with the target revising value, repeatedly performing the operation of revising the state information data according to the revising principle until the state information value which is output by the imaging box chip accords with the target revising value. By using the technical scheme of the invention, the state information value in the imaging box chip can be revised, and various using requirements of a user can be met.
Description
Technical field
The present invention relates to the modification technology of imaging box chip in imaging device, relate in particular to a kind of imaging box chip amending method and modifier.
Background technology
Imaging device is the common equipment in live and work, at least comprises the various ways such as printer, photocopier and facsimile machine, generally all can be used in conjunction with imaging cartridge.Different imaging devices can adopt different imaging cartridges, and such as toner cartridge, print cartridge etc. is all a kind of of imaging cartridge.
On imaging cartridge, operated by rotary motion has imaging box chip, wherein stores consumptive material state information, such as identification of the manufacturer, region, sequence number, capacity, residue number of pages, residue percentage, coverage rate, use date, color and warning message etc.In imaging device, store the standard information of its imaging cartridge using, similar with the some projects of consumptive material state information.Before imaging device is started working, after corresponding states information in standard information and imaging box chip need to being compared, verifies, just can complete between the two recognize machine process, for example, the information that identification of the manufacturer, region, sequence number etc. set firmly just need to be verified, in recognizing machine process, imaging device reads other state informations in imaging box chip simultaneously, such as data such as image forming medium capacity, then starts record by imaging work again.In imaging process, when imaging device calculates information changes such as using running stores amount, page output, can be by this information recording in the memory of imaging device self, also can be recorded in the memory of imaging box chip, by the communication mode between above-mentioned imaging device and imaging box chip, can realize the management work of record by imaging simultaneously.
The imaging device administrative mechanism realizing based on above-mentioned form, due to (the Original Equipment Manufacturer of original equipment manufacturer, be called for short OEM) use that matches of the imaging box chip released and imaging device, in chip, be all pre-stored running stores preprocessed original state information, comprise identification of the manufacturer, region, sequence number, capacity and color etc.Because the state information of storing in imaging box chip is default fixing, therefore greatly limited user's diversity and selected space.
The image forming medium capacity of one of running stores state information of take describes as example.The image forming medium capacity of storing in imaging box chip is fixed capacity position, 5K for example, and user is in actual use for cost consideration, running stores storage cavity in 5K capacity imaging cartridge may can also add more running stores, or can not exhaust in actual use the running stores of 5K capacity completely, user but leave residue, causes low cost performance and waste, so need to set larger value by capacity in imaging box chip.Thus, in prior art, proposed state information in imaging box chip to carry out the demand of self-defined modification.
Summary of the invention
The invention provides a kind of imaging box chip amending method and modifier, in order to realize, the state information in imaging box chip is carried out to self-defined modification.
The embodiment of the present invention provides a kind of imaging box chip amending method, comprising:
Obtain communication protocol and algorithm between imaging device and imaging box chip;
Communication protocol based on having obtained and algorithm are read the status information data in described imaging box chip;
According to target modification, be worth corresponding modification rule, the described status information data of reading is modified, and amended status information data is write in described imaging box chip;
Whether the state information value that judges described imaging box chip output is consistent with target modification value, when judgment result is that when inconsistent, repeat the operation of revising status information data according to described modification rule, until it is consistent with target modification value to judge the state information value of described imaging box chip output.
The embodiment of the present invention also provides a kind of imaging box chip modifier, comprising:
Agreement acquisition module, for obtaining communication protocol and the algorithm between imaging device and imaging box chip;
Data read module, the status information data of reading described imaging box chip for the communication protocol based on having obtained and algorithm;
Data modification module, for be worth corresponding modification rule according to target modification, modifies to the described status information data of reading, and amended status information data is write in described imaging box chip;
Condition judgment module, whether consistent with target modification value for judging the state information value of described imaging box chip output, when judgment result is that when inconsistent, trigger described data modification module and move to repeat the operation of revising status information data according to described modification rule, until it is consistent with target modification value to judge the state information value of described imaging box chip output.
Adopt technical scheme of the present invention, can realize the modification to state information value in imaging box chip, can meet user's multiple user demand.
Accompanying drawing explanation
The flow chart of the imaging box chip amending method that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is the status information data list schematic diagram of hexadecimal form in the imaging box chip that relates to of the embodiment of the present invention one;
The flow chart of the imaging box chip amending method that Fig. 3 provides for the embodiment of the present invention two;
Fig. 4 is the structural representation of the modification assembly that uses of the embodiment of the present invention two;
Fig. 5 is a kind of amended status information data list schematic diagram in the embodiment of the present invention three;
Fig. 6 is the status information data list schematic diagram before another kind of modification in the embodiment of the present invention three;
Fig. 7 is another kind of amended status information data list schematic diagram in the embodiment of the present invention three;
The structural representation of the imaging box chip modifier that Fig. 8 provides for the embodiment of the present invention four.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The flow chart of the imaging box chip amending method that Fig. 1 provides for the embodiment of the present invention one, the method comprises the steps:
Can be specifically to come obtaining communication agreement and algorithm by identification, or conventional communication protocol and the algorithm of pre-stored, try out one by one to obtain, or can also make user choose voluntarily communication protocol and algorithm.To the identification of communication protocol and algorithm, can adopt multiple prior art means to realize, for example, the communication waveforms in the time of can first utilizing oscilloscope to gather to communicate between imaging device and imaging box chip, then contrasts existing communication protocol, for example, contrast I
2c is (between integrated circuit, Inter-Integrated Circuit) general communication protocol etc. in agreement, 1-Wire monobus lin protocol and the industry, with features such as the sequential of instrument and equipment or artificial experience analysis waveform and frequencies, to know communication protocol and algorithm between the two.This communication protocol and algorithm can be realized the read-write operation to data in imaging box chip memory.By analysis waveform, obtain the communication protocol of read-write chip and the routine techniques means that algorithm can adopt those skilled in the art, do not repeat them here.
After getting communication protocol and algorithm, can adopt the data fetch equipment corresponding with institute obtaining communication agreement to read the data in imaging box chip.Data fetch equipment can adopt the normally used general data output instrument of those skilled in the art, can complete simply according to corresponding communication protocol the read-write of data in chip.The communication interface that data fetch equipment generally comprises controller and is connected with imaging box chip, controller, for the transmitting-receiving of data processing and control command, is generally single-chip microcomputer; Communication interface is communicated by letter with the concrete of controller for realizing chip, plays the effect of signal conversion.The operation principle of data fetch equipment is: controller converts the control command that reads chip data to meet the digital signal that communication protocol requires to, by communication interface, the digital signal sending from controller being required to convert to according to communication protocol again can be for the analog signal of chip identification, finally by chip, receive, respond, and by communication interface, convert the analog signal of chip response to digital signal, finally by controller, received and extract useful chip data.Due to imaging box chip, may adopt the mode storaging state information data such as binary system or hexadecimal, so metric state information value is corresponding to the status information data of the forms such as binary system or hexadecimal.Be specially as shown in Figure 2 the status information data list of hexadecimal form, generally can not these data of Direct Recognition and state information value between corresponding relation.
Because the corresponding relation between status information data and state information value directly can not known, namely user-defined target modification value cannot be directly to shining the position that should revise, so the mode that the present embodiment adopts is: output state value of information judgement again after modifying according to default modification rule, repeatedly carry out, until the state information value of output is consistent with target modification value.Above-mentioned default modification rule is one or more modification rules of setting or choose corresponding to target modification value.Said method has utilized the feature of the exportable state information value of imaging box chip, under the operation of imaging device, can read and print the consumptive material state information page of imaging box chip, namely state information value, verifies the correctness of revising with the state information value of exporting.Certainly, the mode of the imaging box chip output state value of information can have multiple, for example, utilize fetch equipment to read out state information value and compare also and can realize decision operation with target modification value again.
The technical scheme that adopts the present embodiment, can realize the modification to state information value in imaging box chip, can meet user's multiple user demand.
The modification rule of using in technique scheme and decision operation method can adopt various ways to realize, and introduce the preferred embodiment of realizing below.
Embodiment bis-
The flow chart of the imaging box chip amending method that Fig. 3 provides for the embodiment of the present invention two, method in the present embodiment is specifically carried out by a modification assembly, revising assembly can be realized by the form of software and/or hardware, using for the convenience of the user can be the client software that can move on computers, or, also can be exclusively used in the hardware component of revising chip for independent design.The structure of this modification assembly as shown in Figure 4, comprises coding unit 410, control unit 420, memory cell 430 and authentication unit 440.Wherein, memory cell 430 can be specifically EEPROM (Electrically Erasable Programmable Read Only Memo) (Electrically Erasable Programmable Read-Only Memory, abbreviation EEPROM), ferroelectric memory (FerroelectricRAM, be called for short FRAM) etc., for storing imaging box chip data, target modification value and the default modification rule reading; Coding unit 410 for by the imaging box chip data that read out of memory cell 430 storage according to the default coding rule geocoding that conducts interviews, this default coding rule can be successively to setting the data of the byte quantity geocoding that conducts interviews, such as being 4 bytes, 8 bytes and 12 bytes etc., be about to data and be divided into group according to setting byte quantity, then every component is furnished with reference address; Control unit 420 is carried out retouching operation to corresponding data according to revising rule for the reference address according to after coding, and the correspondingly operation such as executive address counting; Authentication unit 440 is for coming the amended new state information data of verification whether to meet checking requirement according to the applicable verification algorithm of imaging box chip data.
Modification assembly based on said structure, imaging box chip amending method can comprise the steps:
Above-mentioned steps still can adopt existing communication protocol identification equipment and data fetch equipment complete operation; Or, also can be in revising assembly integrated communicaton protocol identification assembly and data reading assembly; Again or, can also in revising assembly, set up data read module, built-in conventional communication protocol wherein, on probation or carry out reading out data by certain communications protocol of user's choice for use and algorithm one by one.The status information data reading is stored in memory cell 430 with form.
In previous embodiment, according to target modification, be worth corresponding modification rule, the operation that the status information data of reading is modified can be specially carries out following steps 330 and 340:
Specifically the status information data table of storage in memory cell 430 is carried out to geocoding, in the present embodiment, take and set byte quantity and describe as example as default coding rule, and the setting byte quantity in the present embodiment is 4 bytes, after coding, the data of every 4 bytes have a reference address.
The control unit 420 of step 340, modification assembly is worth corresponding modification rule according to target modification, and the status information data that reference address after encoding is pointed is modified;
Revise rule and can be multiple, power, cumulative etc., according to the concrete condition of target modification value, choose or set, for example, when target modification value is 2 times of the previous status value of information, possible modification rule is that each byte numerical value of reference address data pointed is all multiplied by 2.Similarly revise rule various ways can also be set according to actual needs.
The control unit 420 of step 350, modification assembly is by amended status information data input validation unit 440, according to default verification algorithm, verify, when being verified, amended status information data is write in imaging box chip, when the obstructed out-of-date execution step 370 of checking;
That in this step, verifies that used verification algorithm relates to each block in the arranging rule of data, data represents implication etc., is applicable to communications protocol and the internal algorithm requirement of imaging box chip.Verification algorithm can carry out pre-stored, for example, can by number of ways, obtain the internal algorithm of all kinds of imaging box chips, and all kinds of internal algorithm are pre-stored as verification algorithm.Chip internal algorithm can adopt disclosed canonical algorithm, also can be by imaging box chip being tested to gather its internal algorithm.The internal algorithm that various approach obtain can constantly be sophisticated to be revised in assembly.Revise assembly when carrying out the modification of different imaging box chips, can choice for use any class verification algorithm.If cannot select, also can with each verification algorithm, verify one by one.For example, preferably amended status information data can be adopted to cyclic redundancy check (CRC) (Cyclic Redundancy Check, abbreviation CRC) algorithm is verified, the code being comprised of bit string with any one can be with a coefficient only for ' 0 ' is corresponding one by one with the multinomial of ' 1 ' value.After revising, with unmodified status information data, the output after CRC check unanimously or in correct value range, explanation is verified, and can write imaging box chip.Or, can also be to verify the requirement that whether meets communication protocol, whether can successfully write imaging box chip etc., if do not meet the requirement of communication protocol, can make mistakes.
Step 360, judge that whether the state information value of imaging box chip output is consistent with target modification value, if not, perform step 370, if so, this retouching operation success, can process ends;
The imaging box chip output state value of information in this step, it can be upper machine output consumptive material status page, in artificial judgment consumptive material status page, whether amended state information value meets the set goal modification and is worth again, if do not meet, continues to carry out next retouching operation; If meet, finish whole modification process.
Retouching operation is carried out in the triggering that may repeat in this step, if still can not export the state information value consistent with target modification value after all status information data having been revised based on a kind of default coding rule, can sequentially change lower a kind of default coding rule, 8 bytes then the operation that repeats modification and judge for example replace.Default coding rule and modification rule can be used in any combination, also can be selected one or more default coding rules and be revised rule and combine enforcement by user.
In the technical scheme of the present embodiment, before data after modification are write to chip, further introduced verification step, can guarantee that amended status information data can be imaged box chip and imaging device is correctly processed, and export readable state information value.Due in status information data, the corresponding data of which byte of state information value and the position of these bytes uncertain, so may cause the data of revising according to default coding rule coding can not change state information value.Add verification operation, can reduce and carry out the operation that writes chip, can reduce imaging device and cannot correctly process the number of times of revising rear status information data, reduce the number of times of the imaging box chip output state value of information as far as possible.
The technical scheme of the present embodiment provides the method for revising state information value in imaging box chip, can develop and meet user to a certain or revisable imaging box chip of certain several running stores state information.
The chip status value of information that needs in practical application to revise may have multiple, for example, and the changeable data for imaging device such as image forming medium capacity, sequence number, printable page.When the standard information in imaging device changes, for stationary state information such as consumptive material set-up time, geographic area, color, also can modify.
Embodiment tri-
In the imaging box chip amending method that the embodiment of the present invention three provides, user can independently revise the image forming medium capability value in imaging box chip, the capacity of original 5K is revised as to the capacity of 8K or 10K, imaging device can be controlled the use to image forming medium according to the capacity increasing, in imaging cartridge, can not leave residual image forming medium, can reduce the waste of medium, improve the cost performance of imaging cartridge.When imaging cartridge is transformed into, can inject image forming medium, in the time of can reusing, also can be modified as picture dielectric capacity, match with the function of imaging cartridge.
Concrete modification process can be referring to previous embodiment, and the modification rule in the present embodiment is confirmed as simple multiple relation, is further divided into again a byte and two kinds of situations of a plurality of byte address coded sequence, specific as follows:
The situation that is byte for default coding rule:
Shown in Figure 2, the capacity of the data in red square frame " 1E " for representing by hexadecimal number, hexadecimal " 1E " represents the decimal system " 30 ", represents capability value 3K.Now by revising at double rule, capacity is changed into 6K from 3K, change the decimal system " 60 " into, after reference address being encoded according to default coding rule, byte is modified one by one, until " 1E " in Fig. 2 changed into " 3C ", as shown in Figure 5, after judgement, can obtain the state information value result consistent with target modification value 6K of output.
For default coding rule, be multibyte situation:
As shown in Figure 6,12 bytes in red square frame represent 4K capacity jointly, and target modification value is 8K.Default coding rule is for dividing according to 12 bytes and reference address coding, by revising at double rule, modify, with the relations of two times, the data of 12 bytes are made respectively to modification, as shown in Figure 7, until the state information value of output is consistent with target modification value 8K.
The byte that above-mentioned amending method is mentioned " 1E " represents that capability value 3K, 12 bytes jointly represent 4K capacity and revise at double rule etc., all need to change according to the rule of communicating by letter between different imaging devices and imaging box chip.
In practical application, can also realize user and independently revise the sequence number in imaging box chip.In imaging box chip, store the sequence number of imaging cartridge, and sequence number is normally unique, cannot reuse.The technical scheme that adopts the embodiment of the present invention to provide, after imaging cartridge uses, needn't abandon imaging box chip, and can, by revising the sequence number in imaging box chip, make this imaging box chip mate use with another imaging cartridge.Thereby imaging box chip can be reused, then coordinate the modification of other state informations, reduced the overlapping development to imaging box chip, reduced product cost.
The imaging box chip of developing through scheme that the embodiment of the present invention provides can make running stores accord with the demands of the market, reach required desired value, as page output, novel sequences number, and then promoted the diversity of user's range of choice, no longer be confined to the native mode that OEM sets, for user has saved cost, improved the cost performance of record by imaging.
Embodiment tetra-
The structural representation of the imaging box chip modifier that Fig. 8 provides for the embodiment of the present invention four, this modifier comprises: agreement acquisition module 810, data read module 820, data modification module 830 and condition judgment module 840.Wherein, agreement acquisition module 810 is for obtaining communication protocol and the algorithm between imaging device and imaging box chip; Data read module 820 is read the status information data of imaging box chip for the communication protocol based on having obtained and algorithm; Data modification module 830, for be worth corresponding modification rule according to target modification, is modified to the status information data of reading, and amended status information data is write in imaging box chip; Whether condition judgment module 840 is consistent with target modification value for judging the state information value of imaging box chip output, when judgment result is that when inconsistent, trigger data modified module 830 moves to repeat according to revising rule revises the operation of status information data, until it is consistent with target modification value to judge the state information value of imaging box chip output.
In the present embodiment, data modification module 830 is can foregoing modification assembly such, specifically comprises: memory cell 831, coding unit 832, control unit 833 and authentication unit 834.Wherein, the status information data that memory cell 831 is read for storing data read module 820, and memory modify rule; Coding unit 832 for to the status information data of reading according to the default coding rule geocoding that conducts interviews; Control unit 833, for be worth corresponding modification rule according to target modification, is modified to the status information data that reference address after encoding is pointed; Authentication unit 834, for amended status information data is verified according to default verification algorithm, writes amended status information data in imaging box chip when being verified.
The imaging box chip amending method that the imaging box chip modifier that the present embodiment provides can provide for carrying out the embodiment of the present invention, and there is correspondingly functional module.
The technical scheme of various embodiments of the present invention, can meet the need of market conscientiously, to user, provides hommization more, more thoughtful consideration.Meanwhile, for the production firm of imaging cartridge and imaging device, can utilize existing imaging box chip, after modifying, directly application, has strengthened the autonomous control ability to chip consumptive material state information, the cost of having avoided overlapping development to increase.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an imaging box chip amending method, is characterized in that, comprising:
Obtain communication protocol and algorithm between imaging device and imaging box chip;
Communication protocol based on having obtained and algorithm are read the status information data in described imaging box chip;
According to target modification, be worth corresponding modification rule, the described status information data of reading is modified, and amended status information data is write in described imaging box chip, described target modification value is user-defined;
Whether the state information value that judges described imaging box chip output is consistent with target modification value, when judgment result is that when inconsistent, repeat the operation of revising status information data according to described modification rule, until it is consistent with target modification value to judge the state information value of described imaging box chip output, wherein, the corresponding relation between status information data and state information value directly can not known.
2. imaging box chip amending method according to claim 1, is characterized in that, amended status information data is write to described imaging box chip and comprise:
Amended status information data is verified according to default verification algorithm, when being verified, amended status information data is write in described imaging box chip.
3. imaging box chip amending method according to claim 2, is characterized in that, amended status information data is verified and comprised according to default verification algorithm: adopt cyclic redundancy check (CRC) algorithm to verify amended status information data.
4. according to the imaging box chip amending method described in claim 1 or 2 or 3, it is characterized in that, according to target modification, be worth corresponding modification rule, the described status information data of reading is modified and comprised:
To the described status information data of reading according to the default coding rule geocoding that conducts interviews;
According to target modification, be worth corresponding modification rule, the status information data that reference address after encoding is pointed is modified.
5. imaging box chip amending method according to claim 4, is characterized in that, the described status information data of reading is comprised according to the default coding rule geocoding that conducts interviews:
To the described status information data of reading, take and set byte quantity as the unit geocoding that conducts interviews, described setting byte quantity is as described default coding rule.
6. an imaging box chip modifier, is characterized in that, comprising:
Agreement acquisition module, for obtaining communication protocol and the algorithm between imaging device and imaging box chip;
Data read module, the status information data of reading described imaging box chip for the communication protocol based on having obtained and algorithm;
Data modification module, for be worth corresponding modification rule according to target modification, modifies to the described status information data of reading, and amended status information data is write in described imaging box chip, and described target modification value is user-defined;
Condition judgment module, whether consistent with target modification value for judging the state information value of described imaging box chip output, when judgment result is that when inconsistent, trigger described data modification module and move to repeat the operation of revising status information data according to described modification rule, until it is consistent with target modification value to judge the state information value of described imaging box chip output, wherein, the corresponding relation between status information data and state information value directly can not known.
7. imaging box chip modifier according to claim 6, is characterized in that, described data modification module comprises:
Memory cell, the status information data of reading for storing described data read module, and store described modification rule;
Coding unit, for to the described status information data of reading according to the default coding rule geocoding that conducts interviews;
Control unit, for be worth corresponding modification rule according to target modification, modifies to the status information data that reference address after encoding is pointed;
Authentication unit for amended status information data is verified according to default verification algorithm, writes amended status information data in described imaging box chip when being verified.
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| CN103332015B (en) * | 2013-07-05 | 2015-12-02 | 珠海艾派克微电子有限公司 | A kind of method of chip, imaging cartridge and response imaging device thereof |
| CN103862879B (en) * | 2014-01-15 | 2016-08-17 | 珠海艾派克微电子有限公司 | A kind of ink box chip and use the print cartridge of this chip |
| CN105522826B (en) * | 2014-10-16 | 2017-06-23 | 珠海艾派克微电子有限公司 | Check value production method, consumable chip and the consumption material box including the consumable chip |
| CN104866253B (en) * | 2015-04-03 | 2018-03-30 | 珠海艾派克微电子有限公司 | A kind of chip and its method, the imaging system for responding imaging device |
| CN107153852A (en) * | 2016-03-04 | 2017-09-12 | 珠海天威技术开发有限公司 | The chip data Improvement and device of device are rewritten based on consumable chip |
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| CN101794110A (en) * | 2010-03-24 | 2010-08-04 | 珠海艾派克微电子有限公司 | Machine recognition method and device between imaging device and imaging box |
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| CN101794110A (en) * | 2010-03-24 | 2010-08-04 | 珠海艾派克微电子有限公司 | Machine recognition method and device between imaging device and imaging box |
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