CN101853000B - One-swath multi-imaging box chip, method using the same, imaging system and imaging box - Google Patents
One-swath multi-imaging box chip, method using the same, imaging system and imaging box Download PDFInfo
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- CN101853000B CN101853000B CN2010101964716A CN201010196471A CN101853000B CN 101853000 B CN101853000 B CN 101853000B CN 2010101964716 A CN2010101964716 A CN 2010101964716A CN 201010196471 A CN201010196471 A CN 201010196471A CN 101853000 B CN101853000 B CN 101853000B
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Abstract
The invention discloses a one-swath multi-imaging box chip, a method using the same, an imaging system and an imaging box. Other imaging box chip identification modules are arranged in the existing one-swath multi-imaging box chip, and when receiving the calling of an imaging device through a serial bus, the one-swath multi-imaging box chip does not immediately respond and carry out the follow-up stored information interaction, but adopts arranged other imaging box core identification module to detect whether other imaging box chips respond to the calling or not on the serial bus, if so, the chip abandons the serial bus to enter the sleep state; otherwise, the chip responds to the calling of the imaging device and carries out the follow-up interaction of information stored in a storage unit. The one-swath multi-imaging box chip and other imaging box chips can be simultaneously used and are interacted with the imaging device, so that the imaging device can receive the correct information through the serial bus.
Description
Technical field
The present invention relates to imaging technique, a particularly a kind of band multi-imaging box chip, the method for using this chip, imaging system and imaging box.
Background technology
Along with the development of imaging technique, the imaging device that is similar to laser print apparatus and inkjet-printing device and so on has obtained using widely.In imaging process, the information of imaging device in being recorded in imaging device, also be recorded on the imaging box chip, this imaging box chip can be arranged on the imaging box on or when being mounted to, be arranged on the imaging device as box, operated by rotary motion the imaging box on.As shown in Figure 1, Fig. 1 is the imaging device of prior art and the communication interaction synoptic diagram between the imaging box chip.Wherein, Imaging box chip is fixed on the imaging box and (generally sticks on the imaging box); This imaging box can be the ink cartridge of filling ink or fill the toner cartridge of carbon dust, and the effect of imaging box chip is to be controlled to picture box and imaging device coupling, reaches providing of in follow-up imaging process information.Imaging box chip and imaging device carry out information interaction through the communication interface in the imaging box chip (not drawing among the figure).In imaging box chip, imaging box initial informations such as the relevant imaging of record box model, color, recording material capacity, date of manufacture and manufacturer code, and the information such as data of the sign recording material capacity that in follow-up print procedure, obtains.
At present; Imaging box chip is divided into a band multi-imaging box chip and and is with an imaging box chip; Wherein, one with the information that stores an imaging box in the imaging box chip, is used to control the coupling of a pairing imaging box and imaging device; One is with corresponding a plurality of imaging boxes difference canned datas in the multi-imaging box chip, is used for controlling simultaneously the coupling of a plurality of pairing imaging boxes and imaging device.Below the imaging box chip of two types and the reciprocal process of imaging device are elaborated respectively.
One reciprocal process with an imaging box chip and imaging device
One interactive mode with an imaging box chip and imaging device generally adopts serial communication mode, just one is with an imaging box chip to be connected through universal serial bus with imaging device, and each one all has unique address with an imaging box chip.When the imaging device will form images; One be with an imaging box chip call out through universal serial bus to this with the unique address of an imaging box chip based on one; This is one when being with an imaging box chip to receive this calling through universal serial bus; Whether based on parse addresses from call out is the address of self; Confirm that imaging device whether will be with self to carry out institute's canned data mutual; If, send response to imaging device after, in subsequent cycle, carry out the mutual of self institute's canned data with imaging device; Otherwise, then in subsequent cycle, sleep, not mutual with imaging device, when imaging device resets again or powers on, just waken up.
Fig. 2 for prior art one with an imaging box chip and imaging device through universal serial bus according to one with carrying out mutual synoptic diagram in the address of an imaging box chip; Wherein, Imaging device is connected on the universal serial bus; Be with an imaging box chip to be connected on the universal serial bus for five one, the address is respectively 010,011,100,101 and 110.In Fig. 2, universal serial bus has four order wires, and each bar order wire all is public for five one with an imaging box chip and imaging device.Article four, order wire is: voltage source signal line (VCC), provides the clock cable (CLK) of synchronous clock with the two-way communication data line (I/O) of an imaging box chip interactive information and for imaging device and with an imaging box chip for imaging device and at ground wire (GND).When one is with an imaging box chip and imaging device mutual; Imaging device send to be called out through universal serial bus, and this calling carries the address, one be with an imaging box chip to receive after; Whether this calling of Address Recognition according to this calling is carried calls out self; If, sending response through universal serial bus and give imaging device, subsequent cycle is through universal serial bus and the mutual institute of imaging device canned data; Otherwise directly dormancy resets again or powers on up to imaging device.
The reciprocal process of one band multi-imaging box chip and imaging device
One band multi-imaging box chip generally is applicable to a plurality of integral type imaging boxes, just holds the imaging box of many color ink or many colors carbon dust simultaneously respectively, can realize the mutual of integral type imaging box and imaging device, guarantees the operate as normal of imaging system.In a band multi-imaging box chip; In the integral type imaging box each divides the information of imaging box to be stored in respectively in the different storage unit; Each storage unit has an address respectively, when being used for imaging device and wanting the information of mutual different storage unit, through accessed to storage unit.Substitute several information interactions with each branch imaging box in imaging box chip completion imaging device and the integral type imaging box owing to this scheme can adopt one one band multi-imaging box chip, saved the cost of continuous imaging.
Fig. 3 is the structural representation of prior art one band multi-imaging box chip; Comprise communication interface and storage unit with different addresses; That is to say that this band multi-imaging box chip comprises a plurality of storage unit with different addresses, is connected on the universal serial bus through communication interface.
In Fig. 3, the structure of a band multi-imaging box chip also comprises control module, is used to control the function executing of communication interface.The structure of this band multi-imaging box chip also comprises power supply unit, after being used for getting access to electric energy from communication interface, respectively to control module and storage unit power supply, makes that these unit can operate as normal, carries out various functions.
Fig. 4 is a band multi-imaging box chip of prior art and the communication scheme of imaging device; As shown in the figure; Comprise: a band multi-imaging box chip shown in Figure 3 is connected on the universal serial bus; Universal serial bus also is connected with imaging device, and this universal serial bus adopts universal serial bus shown in Figure 2, is used for the mutual of the corresponding storage unit institute canned data of imaging device and this band multi-imaging box chip.Fig. 5 is the utilization structure synoptic diagram of prior art one band multi-imaging box chip in the continuous imaging process; In a band multi-imaging box chip use; After communication interface receives the calling of carrying the address of imaging device transmission through universal serial bus, resolve and obtain the address, confirm corresponding storage unit according to the address; Storage unit to correspondence is sent calling; After corresponding storage unit identification should be called out, pass through universal serial bus after imaging device sends response, in subsequent cycle, carry out the mutual of institute's canned data through communication interface.
In this process, storage unit can be erasable programmable storage (EPROM), flash memory (FLASH) or ferroelectric memory (FRAM), corresponding different address respectively, and each that is used for storing integral type imaging box divides the information of imaging box.
When using integral type imaging box, can cause waste, this is because each in the integral type imaging box divides the capacity in the imaging box all not run out of simultaneously.Therefore, in order to save, some user does not hope to use integral type imaging box, and is to use split type imaging box substep more to change the split type imaging box that capacity has run out of, the split type imaging box that retention volume does not run out of.In this case; It is initial that can to unify to install information matches and follow-up that one one band multi-imaging box chip accomplishes each split type imaging box and imaging device when split type imaging box is installed mutual; After capacity consumption in the split type imaging box of initial installation is intact; Just replace this split type imaging box simultaneously for the split type imaging box after the replacement provides one one with an imaging box chip (memory unit address of the corresponding informance of the employed band multi-imaging box chip-stored of split type imaging box is identical before the address of employing and the replacement), be used for after this replacement split type imaging box and the information matches between the imaging device and follow-up alternately.This method can not cause the waste of consumptive material; But can't realize; This be because, on universal serial bus, also have a band multi-imaging box chip, in this band multi-imaging box chip, also have and this identical storage unit in address of being adopted with an imaging box chip; This cell stores the information (inequality with the information of split type imaging box after the replacement) of split type imaging box before the replacement; When this one when being with an imaging box chip through universal serial bus and imaging device interactive information because the address is identical, the information collision situation of being with cell stores corresponding in the multi-imaging box chip with one will appear; Make that information transmitted causes confusion on the universal serial bus, cause imaging device all can't discern all imaging box chips that connect on the universal serial bus.
Give one example and explain; Fig. 6 is connected with a structural representation with an imaging box chip and a band multi-imaging box chip simultaneously for prior art on universal serial bus; As shown in the figure; Suppose on universal serial bus except a band multi-imaging box chip shown in Figure 3, also have an address and be 010 one be with an imaging box chip.When the imaging device sends through universal serial bus that to carry the address be 010 calling, can verify through after this call and sending response except a band multi-imaging box chip, in subsequent cycle, send outside this corresponding stored unit, address institute canned data; One is with an imaging box chip also can verify through after this call and sending response, in subsequent cycle, sends institute's canned data.Because one is with an imaging box chip and band multi-imaging box chip institute's canned data and incomplete same; Like this; Two groups of information will clash on universal serial bus; Make imaging device receive an error message that generates by universal serial bus, can't verify through and carry out follow-up imaging operation.
Therefore; Generation for fear of above-mentioned situation; Only use a band multi-imaging box chip or to be with an imaging box chip at present separately, carry out alternately with imaging device respectively, can on universal serial bus, not use one to be with an imaging box chip and a band multi-imaging box chip simultaneously.
Summary of the invention
In view of this, the present invention provides an a kind of band multi-imaging box chip, and this band multi-imaging box chip can use respectively and the imaging device interactive information with other imaging box chips simultaneously.
The present invention also provides a kind of method of using this band multi-imaging box chip, and this method can be avoided the conflict of the information that when using simultaneously with other imaging box chips, takes place on the universal serial bus, makes imaging device to receive correct information through universal serial bus.
The present invention also provides a kind of imaging system, and this system can avoid the conflict of the information that on universal serial bus, takes place, and makes imaging device to receive correct information through universal serial bus.
The present invention also provides a kind of imaging box, when imaging device should form images box in use, can avoid the conflict of the information that when using simultaneously with other imaging box chips, takes place on the universal serial bus, makes imaging device to receive correct information through universal serial bus.
According to above-mentioned purpose, technical scheme of the present invention is achieved in that
An a kind of band multi-imaging box chip comprises: other imaging box chip identification modules, memory unit address distribution module and have a plurality of storage unit of different addresses, wherein,
Other imaging box chip identification modules are used to detect the calling whether other imaging box chips on the universal serial bus respond imaging device, if abandon universal serial bus; Otherwise the calling of response imaging device is given the memory unit address distribution module with this call forward;
The memory unit address distribution module; Be used for from the calling of other imaging box chip identification modules forwardings that receive; Parsing obtains address information; The storage unit definite and this address information is corresponding, with canned data in the definite storage unit of institute, mutual through other imaging box chip identification modules and imaging device;
A plurality of storage unit are used for storing respectively the information of corresponding different imaging boxes.
The calling whether other imaging box chips on said other imaging box chip identification modules detection universal serial bus respond imaging device is before imaging device detects the time of this response, to detect;
The calling of said other imaging box chip identification module response imaging devices is before imaging device detects the time whether die response is arranged, to respond.
The calling of said imaging device is to carry the call signal of address information or pulse signal;
The calling of said response imaging device is call signal or the impulse response signal that carries address information.
Said other imaging box chip identification modules; After also being used for receiving the calling that imaging device sends through universal serial bus; Before whether other imaging box chips on the detection universal serial bus respond the calling of imaging device, give the memory unit address distribution module with this call forward; When receiving affirmation result that the memory unit address distribution module sends when being, carry out the process whether other imaging box chips on the detection universal serial bus respond the calling of imaging device, otherwise, abandon universal serial bus;
Said memory unit address distribution module; Also be used for from the calling of other imaging box chip identification modules forwardings that receive; Parsing obtains address information, determines whether to have the storage unit of this address information, will confirm that the result sends to other imaging box chip identification modules.
Said storage unit is programmable storage EEPROM, flash memory FLASH or the ferroelectric memory FRAM of electric erasable;
Said universal serial bus is general IO bus line GPIO, I
2C bus, unibus, Serial Peripheral Interface spi bus or RS232 bus.
A kind of method of using a band multi-imaging box chip, this method comprises:
One band multi-imaging box chip receives the calling of imaging device through universal serial bus;
Whether other imaging box chips on the one band multi-imaging box chip detection universal serial bus respond the calling of imaging device, if abandon universal serial bus; Otherwise, from this calling, resolve and obtain address information, confirm to have the storage unit of this address information after, response should be called out, and with the information of the definite cell stores of institute pass through universal serial bus and imaging device mutual.
The calling whether other imaging box chips on the said detection universal serial bus respond imaging device is before imaging device detects the time of this response, to detect;
The calling of a said band multi-imaging box die response imaging device is before imaging device detects the time whether die response is arranged, to respond.
The calling of said imaging device is to carry the call signal of address information or pulse signal;
The calling of said response imaging device is call signal or the impulse response signal that carries address information.
Whether other imaging box chips on the said band multi-imaging box chip detection universal serial bus respond before the calling of imaging device, also comprise:
One band multi-imaging box chip determines whether to call out self according to resolving the address information that obtains from this calling, if, then carry out the calling step whether other imaging box chips that detect on the universal serial bus respond imaging device, otherwise, universal serial bus abandoned.
The process whether other imaging box chips on the said detection universal serial bus respond the calling of imaging device is:
When other these call signals of imaging box chip response, the response signal of sending protocol requirement, a band multi-imaging box chip detects the response signal of protocol requirement on bus, determined whether other this callings of imaging box chip response.
The process whether other imaging box chips on the said detection universal serial bus respond the calling of imaging device is:
When other these call signals of imaging box chip response; Send a low level response signal or high level response signal; One band multi-imaging box chip detects this low level response signal or high level response signal on bus, determined whether other this callings of imaging box chip response.
Said storage unit is programmable storage EEPROM, FLASH or the FRAM of electric erasable;
Said universal serial bus is GPIO, I
2C bus, unibus, Serial Peripheral Interface spi bus or RS232 bus.
A kind of imaging system comprises an above-mentioned band multi-imaging box chip and an imaging device, wherein,
Imaging device is used for send calling out through universal serial bus, receive after response calls out, through universal serial bus and imaging box chip alternately the information of definite cell stores.
Said imaging box chip is arranged on integral type imaging box, split type imaging box or the imaging device.
A kind of imaging box is provided with an above-mentioned band multi-imaging box chip above that.
Can find out from such scheme; In the band multi-imaging box chip provided by the invention other imaging box chip identification modules are set, when this band multi-imaging box chip receives the calling of imaging device through universal serial bus, do not make an immediate response and to carry out follow-up institute canned data mutual; But adopt other imaging box chip identification modules that are provided with to detect whether other this callings of imaging box chip response are arranged on the universal serial bus; If detect, then abandon universal serial bus, get into dormant state; Otherwise, then respond the calling of imaging device and mutual at follow-up this storage unit institute canned data that carries out.Because the present invention is not once the calling response that receives imaging device; But wait for not having just to respond after other imaging box chip responses; So can on universal serial bus, not cause and the conflicting of other imaging box chip institute's information transmitted; Can use alternately with imaging device respectively simultaneously with other imaging box chips, make imaging device to receive correct information through universal serial bus.
Description of drawings
Fig. 1 is the imaging device of prior art and the communication interaction synoptic diagram between the imaging box chip;
Fig. 2 for prior art one with an imaging box chip and imaging device through universal serial bus according to one with carrying out mutual synoptic diagram in the address of an imaging box chip;
Fig. 3 is the structural representation of prior art one band multi-imaging box chip;
Fig. 4 is a band multi-imaging box chip of prior art and the communication scheme of imaging device;
Fig. 5 is the utilization structure synoptic diagram of prior art one band multi-imaging box chip in the continuous imaging process;
Fig. 6 is connected with a structural representation with an imaging box chip and a band multi-imaging box chip simultaneously for prior art on universal serial bus;
Fig. 7 is a band multi-imaging box chip provided by the invention;
Fig. 8 is the method synoptic diagram of this band multi-imaging box chip of use provided by the invention;
Fig. 9 passes through the universal serial bus sequential synoptic diagram of mutual institute canned data respectively for a band multi-imaging box chip in the embodiment of the invention one and with an imaging box chip;
Figure 10 is I among the embodiment two provided by the invention
2The sequential chart of C bus transfer data;
Figure 11 is for one being with an imaging box chip to receive call signal among the embodiment two provided by the invention, and the sequential synoptic diagram of response signal is sent in the checking back;
Figure 12 receives call signal for a band multi-imaging box chip among the embodiment two provided by the invention, and the sequential synoptic diagram of response signal is sent in the checking back.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is done further explain.
Can find out from prior art; On same universal serial bus, cause a band multi-imaging box chip institute information transmitted and other imaging box chip institute information transmitted afoul former because: one is with in the multi-imaging box chip storage unit to use the address identical with other imaging box chip addresses.For each split type imaging box that imaging device will use, no matter whether to change, its corresponding information institute address stored is all identical, could make imaging device when imaging, get access to.Therefore, when situation about being described below occurs, the different information collisions of same split type imaging box will take place on universal serial bus, make imaging device receive an error message that is generated by universal serial bus, can't verify through and carry out follow-up imaging operation.
Situation about occurring: unified when split type imaging box initially is installed information matches and the follow-up interactive information that a band multi-imaging box chip is accomplished each split type imaging box and imaging device be installed; After capacity consumption in the split type imaging box of initial installation is intact; Replace this split type imaging box simultaneously for the split type imaging box after the replacement provides one one with an imaging box chip (before the address of employing and the replacement split type imaging box employed be with the memory unit address of corresponding informance of multi-imaging box chip-stored identical), be used for split type imaging box and information matches and the follow-up interactive information between the imaging device after this replacement.
In order to overcome the problems referred to above; The present invention is provided with other imaging box chip identification modules in a band multi-imaging box chip, when this band multi-imaging box chip receives the calling of imaging device through universal serial bus, do not make an immediate response and to carry out follow-up institute canned data mutual; But adopt other imaging box chip identification modules that are provided with to detect whether other this callings of imaging box chip response are arranged on the universal serial bus; If detect, then abandon universal serial bus, get into dormant state; Otherwise, then respond the calling of imaging device and mutual at follow-up this storage unit institute canned data that carries out.Because the present invention is not once the calling response that receives imaging device; But wait for not having just to respond after other imaging box chip responses; So can on universal serial bus, not cause and the conflicting of other imaging box chip institute's information transmitted; Can use alternately with imaging device respectively simultaneously with other imaging box chips, make imaging device receive correct information through universal serial bus.
A band multi-imaging box chip provided by the invention goes for integral type imaging box, or a plurality of split type imaging box, reduces the imaging box chip use amount, reduces cost, and environmental protection and use are very flexible.
A band multi-imaging box chip provided by the invention can be arranged on integral type imaging box, a plurality of split type imaging box or the imaging device.
Fig. 7 is a band multi-imaging box chip provided by the invention, comprising: other imaging box chip identification modules, memory unit address distribution module and have a plurality of storage unit of different addresses, wherein,
Other imaging box chip identification modules are connected on the universal serial bus, are used to detect the calling whether other imaging box chips on the universal serial bus respond imaging device, if abandon universal serial bus; Otherwise the calling of response imaging device is given the memory unit address distribution module with this call forward;
The memory unit address distribution module; Connect other imaging box chip identification modules; Be used for the calling of transmitting, resolve and obtain address information, confirm and storage unit that this address information is corresponding from other imaging box chip identification modules that receive; With canned data in the definite storage unit of institute, mutual through other imaging box chip identification modules and imaging device;
A plurality of storage unit are connected with the memory unit address distribution module, are used for storing respectively the information of corresponding different imaging boxes.
In this embodiment, the memory unit address distribution module just is equivalent to the communication interface in the prior art one band multi-imaging box chip.
In this embodiment; Other imaging box chip identification modules; After also being used for receiving the calling that imaging device sends,, give the memory unit address distribution module with this call forward detecting before whether other imaging box chips on the universal serial bus respond the calling of imaging device through universal serial bus; When receiving affirmation result that the memory unit address distribution module sends when being, carry out the process whether other imaging box chips on the detection universal serial bus respond the calling of imaging device, otherwise, abandon universal serial bus;
Said memory unit address distribution module; Also be used for from the calling of other imaging box chip identification modules forwardings that receive; Parsing obtains address information, determines whether to have the storage unit of this address information, will confirm that the result sends to other imaging box chip identification modules.
In this embodiment, storage unit can be EPROM, FLASH or FRAM.
In this embodiment, the calling of imaging device is to carry the call signal of address information or pulse signal;
The calling of said response imaging device is call signal or the impulse response signal that carries address information.
In this embodiment, whether to respond the calling of imaging device be before imaging device detects the time of this response, to detect to other imaging box chips on the said detection universal serial bus; The calling of a said band multi-imaging box die response imaging device is before imaging device detects the time whether die response is arranged, to respond.
In this embodiment, universal serial bus can be general IO bus line GPIO, I
2C bus, unibus, Serial Peripheral Interface (SPI) bus or RS232 bus.Certainly, can also comprise the universal serial bus of other types, no longer limit here.
In this embodiment, other imaging box chip identification modules are connected on the universal serial bus through input/output interface.
In this embodiment, this band multi-imaging box chip also comprises control module, is used for coordinating respectively the function executing of control store element address distribution module, other imaging box chip identification modules and input/output interface.
In this embodiment; This band multi-imaging box chip also comprises power supply unit; After being used for getting access to electric energy from IO interface; Give memory unit address distribution module, other imaging box chip identification modules, control module and the power supply of a plurality of storage unit respectively, make that these modules can operate as normal, carry out various functions.
Fig. 8 is the method synoptic diagram of this band multi-imaging box chip of use provided by the invention, and its concrete steps are:
Whether other imaging box chips on step 802, the band multi-imaging box chip detection universal serial bus respond the calling of imaging device, if change step 803 over to; Otherwise, change step 804 over to;
In the method that the embodiment of the invention provides, the calling of imaging device is to carry the call signal of address information or pulse signal; The calling of response imaging device is call signal or the impulse response signal that carries address information.
In the method that the embodiment of the invention provides, the calling whether other imaging box chips on the detection universal serial bus respond imaging device is before imaging device detects the time of this response, to detect.
In the method that the embodiment of the invention provides, the calling of a said band multi-imaging box die response imaging device is before imaging device detects the time whether die response is arranged, to respond.
In the method that the embodiment of the invention provides, whether other imaging box chips on the band multi-imaging box chip detection universal serial bus respond before the calling of imaging device, also comprise:
One band multi-imaging box chip determines whether to call out self according to resolving the address information that obtains from this calling, if, then carry out the calling step whether other imaging box chips that detect on the universal serial bus respond imaging device, otherwise, universal serial bus abandoned.
In the method that the embodiment of the invention provides, the process whether other imaging box chips on the detection universal serial bus respond the calling of imaging device is:
When other these call signals of imaging box chip response, the response signal of sending protocol requirement, a band multi-imaging box chip detects the response signal of protocol requirement on bus, determined whether other this callings of imaging box chip response.
In the method that the embodiment of the invention provides, detect other imaging box chips on the universal serial bus whether respond imaging device calling process can also for:
When other these call signals of imaging box chip response; Send a low level response signal or high level response signal; One band multi-imaging box chip detects this low level response signal or high level response signal on bus, determined whether other this callings of imaging box chip response.
In the method that the embodiment of the invention provides, storage unit is programmable storage EEPROM, FLASH or the FRAM of electric erasable, certainly, can also be the storer of other types, no longer limits here.
Said universal serial bus is GPIO, I
2C bus, unibus, spi bus or RS232 bus certainly, can also be the universal serial bus of other types, as long as can be with interactive information between the multi-imaging box chip at imaging device and, do not limit here.
In a band multi-imaging box chip provided by the invention and formation method; The time that the imaging device of setting detects this response is generally one～several clock period; Can be provided with flexibly according to the response speed of other imaging box chips; For fear of erroneous detection, what can be provided with is bigger, but can not surpass the time point that imaging device receives response.
The present invention also provides a kind of imaging system; Comprise an above-mentioned band multi-imaging box chip and an imaging device, wherein, imaging box chip; Be used for receiving the calling of imaging device through universal serial bus; Whether other imaging box chips on the detection universal serial bus respond the calling of imaging device, if abandon universal serial bus; Otherwise, from this calling, resolve and obtain address information, confirm to have the storage unit of this address information after, response should be called out, and with the information of the definite cell stores of institute pass through universal serial bus and imaging device mutual; Imaging device is used for send calling out through universal serial bus, receive after response calls out, through serial center and imaging box chip alternately the information of definite cell stores.
In this system, said imaging box chip is arranged on integral type imaging box, split type imaging box or the imaging device.
The present invention also provides a kind of imaging box, is provided with an above-mentioned band multi-imaging box chip above that.
Lifting two specific embodiments is elaborated.
Embodiment one
On universal serial bus, insert one one band multi-imaging box chip, be with an imaging box chip and imaging device for one one, wherein, a memory unit address in the band multi-imaging box chip is identical with the address of an imaging box chip with one.In first clock period after imaging device sends address information, imaging device sends call signal at the negative edge of clock signal, after rising edge of clock signal receives response signal, and the information of mutual imaging box in the next clock period.
Fig. 9 passes through the universal serial bus sequential synoptic diagram of mutual institute canned data respectively for a band multi-imaging box chip in the embodiment of the invention one and with an imaging box chip, and is as shown in the figure:
Imaging device on the negative edge A position of last clock signal of sending out the address, sends call signal after carrying the information of address through the universal serial bus transmission, and one is with an imaging box chip and a band multi-imaging box chip all to receive this call signal.When on the detection universal serial bus before the time E of this response of imaging device detection that a band multi-imaging box chip is being set whether other these call signals of imaging box chips response being arranged; One address of carrying according to this call signal with an imaging box chip determines whether for calling out the signal of self, if A postpones the position B of a period of time in the position; One is with an imaging box chip to send response signal (being expressed as low level signal among the figure) through universal serial bus; If, then do not abandon universal serial bus, dormancy.C point before the imaging device of setting detects the time E point of this response has other this call signals of imaging box chip response on the one band multi-imaging box chip detection universal serial bus, just abandons this universal serial bus, dormancy; Otherwise before the imaging device of setting detected the time of this response, just position C postponed the position D of a period of time, sent response signal (being expressed as low level signal among the figure) through universal serial bus.
In this process; Because imaging device is in next rising edge of clock signal; Just position E receives response signal; The response signal of imaging device receives and the information interaction in subsequent clock cycle so can not influence, and a band multi-imaging box chip utilizes imaging device sending call signal and receiving mistiming between the response signal whether the detection of other these call signals of imaging box chips response is arranged on realizing universal serial bus.
Embodiment two
On universal serial bus, insert one one band multi-imaging box chip, be with an imaging box chip and imaging device for one one, wherein, a memory unit address in the band multi-imaging box chip is identical with the address of an imaging box chip with one.Universal serial bus uses I
2The C bus, I
2The C bus is made up of two signal line, by the universal serial bus of clock cable (SCL, Serial Clock) and data signal line (SDA, Serial Data) formation.When SCL was high level, SDA switched to low level from high level, the SDA proceed to transmit signal.When SCL by low level when high level switches, just expression stops transmission signals, SDA is transmission signals no longer.I shown in figure 10
2The sequential chart of C bus transfer data.
Call signal of carrying the address that imaging device sends and follow-up mutual information must be 8 bit data through the SDA transmission, but each data quantity transmitted is unrestricted.In transmission course, must make that just SDA is that low level representes to receive data at the 9th the drop-down SDA of impulse duration receiving chip of clock after each byte.Here; Only when initial address information is sent out first response signal later, be with an imaging box chip to send response signal and represent successfully to receive call signal by one; Shown in figure 11 one is with an imaging box chip to receive call signal, and the sequential synoptic diagram of response signal is sent in the checking back.One is with an imaging box chip and a band multi-imaging box chip all to receive this call signal; Before the imaging device of setting detects the time of this response; On the one band multi-imaging box chip detection universal serial bus other this call signals of imaging box chip response are arranged, just abandon this universal serial bus, dormancy; Otherwise; Before the imaging device of setting detected the time of this response, just position A sent response signal (being expressed as low level signal among the figure) through universal serial bus; The many imagings of band back box chip shown in figure 12 receives call signal, and the sequential synoptic diagram of response signal is sent in the checking back.
More than two specific embodiments mainly narrated the conflict of avoiding the information that on universal serial bus, takes place when the present invention adopts different universal serial bus; Make imaging device can receive the process of correct information through universal serial bus; But the universal serial bus that the present invention adopts is not limited thereto; Can also comprise the universal serial bus of other types, repeat no more here.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (15)
1. a band multi-imaging box chip is characterized in that, comprising: other imaging box chip identification modules, memory unit address distribution module and have a plurality of storage unit of different addresses, wherein,
Other imaging box chip identification modules are used to detect the calling whether other imaging box chips on the universal serial bus respond imaging device, if abandon universal serial bus; Otherwise the calling of response imaging device is given the memory unit address distribution module with this call forward;
The memory unit address distribution module; Be used for from the calling of other imaging box chip identification modules forwardings that receive; Parsing obtains address information; The storage unit definite and this address information is corresponding, with canned data in the definite storage unit of institute, mutual through other imaging box chip identification modules and imaging device;
A plurality of storage unit are used for storing respectively the information of corresponding different imaging boxes.
2. a band multi-imaging box chip as claimed in claim 1; It is characterized in that the calling whether other imaging box chips on said other imaging box chip identification modules detection universal serial bus respond imaging device is before imaging device detects the time of this response, to detect;
The calling of said other imaging box chip identification module response imaging devices is before imaging device detects the time whether die response is arranged, to respond.
3. a band multi-imaging box chip as claimed in claim 2 is characterized in that the calling of said imaging device is to carry the call signal of address information or pulse signal;
The calling of said response imaging device is call signal or the impulse response signal that carries address information.
4. like claim 2 or 3 described band multi-imaging box chips; It is characterized in that; Said other imaging box chip identification modules; After also being used for receiving the calling that imaging device sends,, give the memory unit address distribution module with this call forward detecting before whether other imaging box chips on the universal serial bus respond the calling of imaging device through universal serial bus; When receiving affirmation result that the memory unit address distribution module sends when being, carry out the process whether other imaging box chips on the detection universal serial bus respond the calling of imaging device, otherwise, abandon universal serial bus;
Said memory unit address distribution module; Also be used for from the calling of other imaging box chip identification modules forwardings that receive; Parsing obtains address information, determines whether to have the storage unit of this address information, will confirm that the result sends to other imaging box chip identification modules.
5. like claim 2 or 3 described band multi-imaging box chips, it is characterized in that said storage unit is programmable storage EEPROM, flash memory FLASH or the ferroelectric memory FRAM of electric erasable;
Said universal serial bus is general IO bus line GPIO, I
2C bus, unibus, Serial Peripheral Interface spi bus or RS232 bus.
6. method of using a band multi-imaging box chip is characterized in that this method comprises:
One band multi-imaging box chip receives the calling of imaging device through universal serial bus;
Whether other imaging box chips on the one band multi-imaging box chip detection universal serial bus respond the calling of imaging device, if abandon universal serial bus; Otherwise, from this calling, resolve and obtain address information, confirm to have the storage unit of this address information after, response should be called out, and with the information of the definite cell stores of institute pass through universal serial bus and imaging device mutual.
7. method as claimed in claim 6 is characterized in that, the calling whether other imaging box chips on the said detection universal serial bus respond imaging device is before imaging device detects the time of this response, to detect;
The calling of a said band multi-imaging box die response imaging device is before imaging device detects the time whether die response is arranged, to respond.
8. method as claimed in claim 7 is characterized in that, the calling of said imaging device is to carry the call signal of address information or pulse signal;
The calling of said response imaging device is call signal or the impulse response signal that carries address information.
9. like claim 7 or 8 described methods, it is characterized in that whether other imaging box chips on the said band multi-imaging box chip detection universal serial bus respond before the calling of imaging device, also comprise:
One band multi-imaging box chip determines whether to call out self according to resolving the address information that obtains from this calling, if, then carry out the calling step whether other imaging box chips that detect on the universal serial bus respond imaging device, otherwise, universal serial bus abandoned.
10. method as claimed in claim 9 is characterized in that, the process whether other imaging box chips on the said detection universal serial bus respond the calling of imaging device is:
When other these call signals of imaging box chip response, the response signal of sending protocol requirement, a band multi-imaging box chip detects the response signal of protocol requirement on bus, determined whether other this callings of imaging box chip response.
11. method as claimed in claim 9 is characterized in that, the process whether other imaging box chips on the said detection universal serial bus respond the calling of imaging device is:
When other these call signals of imaging box chip response; Send a low level response signal or high level response signal; One band multi-imaging box chip detects this low level response signal or high level response signal on bus, determined whether other this callings of imaging box chip response.
12., it is characterized in that said storage unit is programmable storage EEPROM, FLASH or the FRAM of electric erasable like claim 7 or 8 described methods;
Said universal serial bus is GPIO, I
2C bus, unibus, Serial Peripheral Interface spi bus or RS232 bus.
13. an imaging system is characterized in that, comprises a described band multi-imaging box chip and the imaging device of claim 1～5, wherein,
Imaging device is used for send calling out through universal serial bus, receive after response calls out, through universal serial bus and imaging box chip alternately the information of definite cell stores.
14. imaging system as claimed in claim 13 is characterized in that, said imaging box chip is arranged on integral type imaging box, split type imaging box or the imaging device.
15. an imaging box is characterized in that, is provided with the described band multi-imaging box chip of claim 1～5 above that.
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