CN100383766C - Method for implementing network connection by utilizing semiconductor storage device - Google Patents
Method for implementing network connection by utilizing semiconductor storage device Download PDFInfo
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- CN100383766C CN100383766C CNB031013023A CN03101302A CN100383766C CN 100383766 C CN100383766 C CN 100383766C CN B031013023 A CNB031013023 A CN B031013023A CN 03101302 A CN03101302 A CN 03101302A CN 100383766 C CN100383766 C CN 100383766C
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Abstract
The present invention provides a semiconductor storage device with a compatible network connection function. The device comprises a semiconductor storage medium module 51, a controller module 52 and an interface module 53, wherein the semiconductor storage medium module 51 is used for storing data; the controller module 52 is connected with the semiconductor storage medium module; the interface module 53 is connected with the controller module 52 and provided with at least two interfaces; the interface module 53 provided with at least the two interfaces is connected with at least two different external data processing systems; different external data processing systems exchange data with the semiconductor storage medium module 51 through the interfaces connected with the different external data processing systems and under the control of the controller module 52 and execute data access operation to the semiconductor storage device. The present invention can realize the network connection and the data exchange of the different data processing systems by combining storage technology and network communication technology and using different interfaces in the semiconductor storage device of the present invention to connect the different data processing systems.
Description
Technical field
The present invention relates to semiconductor storage and field of network connections, particularly a kind of have by semiconductor storage realization method of network connection.
Background technology
In recent years, along with the fast development of network technology, computer network obtains popularizing rapidly in commercial affairs and individual application, and people utilize and rely on network technology to carry out data communication and information interchange more and more.Connected mode between the network communication equipment of existing network technology comprises wired connection and wireless connections, wired connection such as direct cable, network interface card, HUB, USB interface connection etc., wireless connections comprise bluetooth (Bluetooth), infrared ray (IrDA), HomeRF, IEEE802.11 series (IEEE802.11a, IEEE802.11b.IEEE802.11g) etc., and the user selects above-mentioned all kinds of connected mode can realize preferably that all network connects and the function of exchanges data according to the needs of self.But existing connection device is just as a kind of single network connection device, the memory function of no specific information and other expanded functions, distinct device or based on can not be compatible between the equipment of different agreement, equipment is installed also more complicated, so, not only increased burden for users, also brought inconvenience to the user.And for existing classes of semiconductors storage products, be the flash disk of storage medium for example with flash memory (Flash Memory), though they have widely the application group but they are as a kind of comparatively single data storage device mostly, can only be applied to the separate unit computer system in use, and can not realize that two or multiple computers system carry out reading and writing data simultaneously to it; Simultaneously, existing semiconductor storage product does not possess yet two or multiple computers system is coupled together function to realize that network connects.
Known to applicant of the present invention, device or equipment that the semiconductor storage function is used in combination with network connecting function does not appear at present as yet, if the conventional semiconductor storage products is combined with the network communications technology, so that it can either realize the data storage function of self, can realize that again network connects and data exchanging function, this is for the semiconductor storage product, it will be big expansion on the function and application, and, realize that network connects and exchanges data also becomes more convenient for the user.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of semiconductor memory method that had not only had data storage function but also realized network connecting function.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of semiconductor storage that has network connecting function concurrently, this device comprises: the semiconductor storage medium module 51 that is used to store data; The controller module 52 that is connected with described semiconductor storage medium module 51; With the interface module 53 that described controller module 52 is connected, described interface module 53 contains two interfaces at least; Wherein, the interface module 53 of described at least two interfaces connects at least two different data handling systems, described different data handling system is carried out exchanges data by connected interface and under the control of described controller module 52 with described semiconductor storage medium module 51, so that described semiconductor storage is carried out data access operation;
Realize that by this semiconductor storage method of network connection comprises step:
(A) when described semiconductor storage (50) is connected with at least two data disposal systems by described interface module (53), described controller module (52) obtains the corresponding information of each data handling system that has connected, or described controller module (52) sends the corresponding information of described semiconductor storage (50) to described each data handling system that has connected, and described corresponding information comprises interface type information and connection state information;
(B) the arbitrary described data handling system that has connected of described controller module (52) response is set up the network connection requests with the data handling system that described semiconductor storage (50) is connected to other; Or described controller module (52) automatically sends and sets up the network connection requests to each data handling system that has been connected with described semiconductor storage (50), and receives described each data handling system this is set up the feedback information of network connecting request;
(C) described controller module (52) is according to the feedback information of described network connecting request or network connecting request, connects according to the network of setting up based on the Ethernet protocol standard between described and each data handling system that semiconductor storage (50) is connected.
Compared with prior art, beneficial effect of the present invention is: by memory technology is combined with the network communications technology, and utilize the multiple interfaces in the semiconductor storage of the present invention to connect the different pieces of information disposal system, just can realize that the network between the different pieces of information disposal system connects and exchanges data.This device does not need other any mediation device, and extendability is strong, supports the new interface standard, and transfer rate is much higher than the general network connection device.In addition, for the user, it does not need driver, need not install, need not dispose, have multiple function, and can realize real plug and play.
Description of drawings
Fig. 1 is the functional-block diagram that has the semiconductor storage of network connecting function concurrently according to of the present invention;
Fig. 2 is the application implementation synoptic diagram of semiconductor storage of the present invention;
Fig. 3 is the functional-block diagram according to the described semiconductor storage of first embodiment of the invention;
Fig. 4 is the functional-block diagram according to the described semiconductor storage of second embodiment of the invention;
Fig. 5 is the functional-block diagram according to the described semiconductor storage of third embodiment of the invention;
Fig. 6 is that basic function of the present invention is implemented principle flow chart;
Fig. 7 is the circuit theory diagrams when two interfaces of interface module all adopt USB interface in the first embodiment of the invention;
Fig. 8 is the circuit theory diagrams when two interfaces of interface module adopt USB interface and IEEE1394 interface respectively in the second embodiment of the invention;
Fig. 9 is the circuit theory diagrams when two interfaces of interface module adopt USB interface and wireless blue tooth interface respectively in the third embodiment of the invention;
Figure 10 is the circuit theory diagrams of controller of the present invention;
Figure 11 is the circuit theory diagrams of flash memory module of the present invention;
Figure 12 is the circuit theory diagrams of power module of the present invention;
Figure 13 is the circuit theory diagrams of LCD MODULE of the present invention;
Embodiment
Below will be by word segment and in conjunction with the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Fig. 1 is the functional-block diagram that has the semiconductor storage of network connecting function concurrently according to of the present invention.As shown in Figure 1, this semiconductor storage 50 comprises: semiconductor storage medium module 51; Controller module 52 can comprise storage control module 520 and be used to set up the network link control module 521 that LAN is connected and control data exchanges; Interface module 53, interface module 53 contain two interfaces at least; Power module 54 and information indicating module 55; Controller module 52 is connected with semiconductor storage medium module 51, interface module 53, power module 54 and information indicating module 55 respectively.
Data handling system of the present invention refers to have the electronic system or the device of processor, comprise personal computer, small-size computer, data processing work station, desktop computer, notebook computer, Hand Personal Computer, palm PC, video processing equipment (digital camera, data Video Camera etc.), audio processing equipment (MP3 player, digital recording device etc.), communication facilities (mobile phone, visual telephone), network access device (HUB, MODEM, TA, ADSL, Cable Modem etc.) can also be a memory storage.
Semiconductor storage medium of the present invention comprises one or more that select among flash memory (Flash Memory), DRAM, EEPROM, SRAM, FRAM, EPROM, MRAM and the MILLIPEDE.
Described at least two interfaces of interface module 53 of the present invention are identical or mutually different interfaces of selecting from USB, IEEE1394, serial ATA, CF, PCMCIA, True IDE, bluetooth, infrared, HomeRF, 802.11.a, 802.11.b, 802.11.g and HiperLAN interface.
Described interface module 53 comprises two interfaces at least, interface 1 as shown in Figure 1, interface 2 ... interface N comprises the combination of parallel, serial line interface and/or wave point.Described wave point can be based on a kind of interface of air interface standard, also can be based on a plurality of wave points of multiple air interface standard.
Ethernet protocol of the present invention comprises IEEE802.3,802.3u (100BASE-T), 802.3z and 802.3ae.
Set up under the situation that network is connected with at least two data disposal systems at semiconductor storage 50 of the present invention, data exchange request and reading and writing and other steering order of described arbitrary data handling system to other data handling systems also carried out in controller module 52 responses of the present invention.To realize being undertaken the purpose of network connection and exchanges data by semiconductor storage 50 of the present invention.
For example, can select access power supply (as the USB interface power supply) that is connected with apparatus of the present invention 50 at first and the access power supply that cuts off other approach by power module 54, thereby guarantee the normal power source supply of apparatus of the present invention 50.
When device 50 of the present invention self was furnished with power supply, it can be provided with power control switch, and this power control switch can cut off/connect the power supply supply of apparatus of the present invention 50.Described self-powered can be photoelectric cell, primary element and/or other rechargeable battery.Described power module 54 can be provided with translation circuit and the rechargeable battery charging for carrying.
Therefore, for power module 54, it can comprise power converting circuit, interface feed circuit, power switch circuit, battery power circuit, power supply status indicating circuit or the like.
As shown in Figure 1, controller module 52 of the present invention comprises storage control module 520 and network link control module 521.Wherein, storage control module 520 is used for described semiconductor storage 50 is carried out data access control, and network link control module 521 is used for controlling the interface of described interface module 53 and is connected and exchanges data with network between each data handling system.Described controller module 52 can be single control chip, also can be made up of by standard agreement a plurality of control chips.Described network link control module 521 is supported the interface of various criterion, comprise parallel, serial line interface or wave point, that identification is connected is parallel, the data handling system and the interface standard of serial and/or wave point, being connected between the variant interface of initialization and each data handling system; According to the method for normalizing of each interface standard agreement set up with variant data handling system between logic be connected, explain, change, control and transmit various control informations and data message between each data handling system, data handling system and apparatus of the present invention 50, realize between each data handling system, data handling system is connected and exchanges data with network between apparatus of the present invention 50
The program curing (Firmware) that is used for interface controlling and driving program also is housed in the network link control module 521 in apparatus of the present invention, and the driver that includes the multiple dissimilar interfaces that are used for the different pieces of information disposal system in the described program curing is USB, CF or the like for example.Described program curing just can be discerned the interface type that is connected automatically when apparatus of the present invention connect data handling system, and inquires about the standard the driver whether data handling system that is connected has the type interface.When the data handling system that connects when detecting does not have the standard driver of the type interface, the network link control module 521 of described apparatus of the present invention 50 will load and be uploaded to data handling system automatically in the program curing of himself, with the interface drive program that this data handling system interface standard adapts, upper strata operating system can be finished the standard agreement of various standard interfaces is operated; Simultaneously described network link control module 521 is also finished the network connecting function between the different pieces of information disposal system that is connected, and realizes the exchanges data between the data handling system of variant interface.
Apparatus of the present invention can comprise the program that is used to solve or strengthen semiconductor storage application function of the present invention selectively, this application program is as the part of apparatus of the present invention 50, the data handling system that is connected can or be moved this class method by interface interchange, in order to strengthen the application function of this device.
A part and driver that described application program can be used as the program curing storehouse are kept in controller module 52 and/or the semiconductor storage medium module 51 jointly, also can with described driver and application program by use be kept at with decomposing with data handling system that apparatus of the present invention link to each other in.For example, driver can be used as the standard driver and is kept in the data handling system, is installed in the data handling system and application program also can be used as application software.
When different data handling systems is joined together by apparatus of the present invention 50, each data handling system is with respect to memory storage 50 of the present invention, its relation all is reciprocity, promptly the data handling system that is connected all can be carried out data access to described semiconductor storage, therefore, when two or more data handling systems are carried out reading and writing data to apparatus of the present invention simultaneously, might produce the conflict in the read-write.For avoiding this type of reading and writing data conflict, described semiconductor storage 50 also should have the mechanism of avoiding such conflict.This machine-processed implementation method mainly comprises buffering read-write mechanism and token mechanism.Wherein, the implementation method of buffering read-write mechanism comprises:
1) duty of definition semiconductor storage medium module, duty comprises:
Idle condition
Query State
The data read states
Data are write state;
2) when described semiconductor storage medium module is in above-described all working state, all allow a plurality of data handling systems simultaneously described semiconductor storage medium module to be carried out read-only operation;
3) synchronization only allows the write operation of a data disposal system to described semiconductor storage medium module;
Wherein, when the semiconductor storage medium module is in above-mentioned data and writes state, other data handling systems can be carried out read operation to described semiconductor storage medium module, the copying data that needs are revised goes to predefined buffer zone, this data trnascription is carried out data write operation, when treating that the semiconductor storage medium module is in above-mentioned idle condition again, cover legacy data successively, finish write operation legacy data with revising the data trnascription that finishes in the buffer zone.
In addition, simultaneously semiconductor storage medium module 51 is carried out data access operation and the conflict that causes, also can adopt token mechanism to solve for fear of a plurality of data handling systems.The implementation method of token mechanism is: semi-conductor memory module read-write token is set, and each data handling system all need be held token if described semi-conductor memory module is had visiting demand; Token transmits between each data handling system according to designated order, when the data handling system of acquisition token is carried out data access operation to described semi-conductor memory module, forbids any visit of other data handling systems to described semi-conductor memory module; And after a data disposal system was finished data access operation, described semiconductor storage medium module was in addressable state again, and this data handling system discharges token, was used by other data handling systems.
Be to realize that network connects and data exchanging function, described semiconductor storage 50 has also that the standard agreement of supporting distinct interface, many interfaces are installed, the function of the situation such as pull out suddenly of equipment.
The present invention also can comprise information indicating module 55, and it is connected with described controller module 52, is used to show that the described static information of static information and multidate information comprises user profile, product information, facility information; Described multidate information comprises that data processing equipment flows to information, network traffic data information to reading writing information, network connection state information, the network data of described semiconductor storage.The mode of described information indicating can be liquid crystal display, dot matrix LEDs, led state prompting, auditory tone cues and vibrations device etc.
Can also also comprise gauge tap module 56 in the device 50 of the present invention, this gauge tap module comprises that write-protect switch 561 is connected with network and storage enable switch 562, and described write-protect switch 561 is in order to realize the data write-protect function to described storage medium module; Described network connects and stores enable switch 562 and can be communicated with or cut off the network that described each data handling system sets up by described semiconductor storage and be connected, and perhaps is communicated with or cuts off each data handling system to be connected with data access between apparatus of the present invention.
Described write-protect switch 561 is connected with network with storage enable switch 562 and can realizes by hardware mode; also can realize by software mode; that is, with software mode data are carried out write-protect, connection or the network that cuts off between described each data handling system connects and/or exchanges data by switch control program.
The different pieces of information disposal system that described memory storage of the present invention 50 supports are connected is to its data access, its function is implemented principle flow chart as shown in Figure 6, when semiconductor storage 50 is connected with data handling system A80, described semiconductor storage 50 carries out initialization operation and automatic load driver program, carry out parallel, the standard operation of serial or wave point, and designation data disposal system A80 produces the operative configuration of mobile storage means, realize the data access operation of data handling system A80: when semiconductor storage 50 connects data handling system B90 by its another interface again simultaneously to it, operation when described semiconductor storage 50 connects with data handling system A80 as described above is the same, designation data disposal system B90 produces the operative configuration of mobile storage means, realizes the data access operation of data handling system B90 to it; Described semiconductor storage 50 is after having detected a plurality of data handling systems and it has been connected simultaneously, network connection protocol in the controller module 52 auto-initiation drivers, transmission is set up the network connection requests to each data handling system that connects with described semiconductor storage 50, and receives described each data handling system this is set up the feedback information of network connecting request; If the network that the feedback information indication is agreed to set up between data handling system A80 and the B90 connects, then according to described feedback information, connect according to the network of setting up based on the Ethernet protocol standard between described and each data handling system that semiconductor storage (50) is connected.Do not connect if network is not set up in the feedback information indication, then do not carry out network connection work; Send up to described data handling system A80 or B90 other data handling systems are set up the network connection requests, then described semiconductor storage (50) responds this request, set up network according to this request content according to Ethernet protocol and connect, reach the purpose of exchanges data and resource sharing.
Fig. 2 is the application implementation synoptic diagram of semiconductor storage of the present invention.As can be seen from Figure 2, utilize the semiconductor storage medium that has network connecting function concurrently of the present invention, can set up network between a plurality of data handling systems of distinct interface type easily and connect having.Below will from the present invention on the application point of view on the different interface type data handling system, specific embodiments of the invention be elaborated.
Fig. 3 is the functional-block diagram according to the described semiconductor storage of first embodiment of the invention.As shown in Figure 3, the interface that connects data handling system A80 and B90 in the interface module 53 of semiconductor storage 50 all adopts USB interface, and described interface module 53 is connected with the USB interface of data handling system A80 and B90 by the USB stube cable.
In the present embodiment, the USB interface 5301 in the described interface module 53 is connected with data handling system A80, USB interface 5302 is connected with described data handling system B90, is connected thereby make data handling system A80 and B90 set up network by two USB interface.The flash memory module 511 that the described semiconductor storage medium of present embodiment is made up of one or more flash memory (flash memory).Described USB interface 5301, USB interface 5302 are electrically connected with controller module 52, flash memory module 511 respectively.Described information indicating module 55 adopts the liquid crystal display mode, and is connected with controller module 52.Described power module 54 is electrically connected with two USB interface 531 and 532, controller module 52, flash memory module 511, LCD MODULE 551 respectively.Described switch control module 56 comprises that write-protect switch 561 is connected with network and storage enable switch 562.
In the present embodiment, USB interface can be the USB interface of standard, USB interface that also can the criteria of right and wrong, be USB interface in the present embodiment can electric signal and physical arrangement and physical size all meet the USB standard, also can have only electric signal to meet the USB standard but its physical arrangement and be of a size of non-USB standard.
USB interface 5301 and 5302 in the present embodiment in the usb interface module 53 is electrically connected with controller module 52 respectively, supports the transmitted in both directions of data.Described USB interface 5301 and 5302, controller module 52 are used to realize that the network of two data handling system A80, B90 is connected and exchanges data.Its circuit theory diagrams as shown in Figure 7, J1 and J6 are two USB interface, are used for connecting respectively data handling system A80 and B90.Because present embodiment is for realizing the connection of a plurality of interfaces, so it has adopted the interface hub U1 of an ISP1122ABD, this interface hub U1 provides the work clock pulse by the XT1 crystal oscillator for it, DM1, the DP1 of this interface hub U1 are connected with DM1, the DP1 of Figure 10 respectively simultaneously, in order to realize the controller chip U8 among Figure 10 the network connection and the exchanges data of present embodiment are controlled; U3 among Fig. 7 is a chip of realizing that usb protocol is changed mutually, in the present embodiment, this chip can intercom two USB interface J1 based on usb protocol with J6 mutually, controller chip U8 among described interface hub U1, USB conversion chip U3 and Figure 11 has constituted the controller module 52 of present embodiment together, 52 controls of described controller module and coordination data disposal system A80 is connected with the network of B90 and exchanges data and data handling system A80, B90 and memory storage between exchanges data.
USB interface power supply powering mode is adopted in the power supply supply of present embodiment, and Figure 12 is the circuit theory diagrams of power module, and it is that described semiconductor storage is supplied with direct supply.
The function enforcement principle process of the described device of present embodiment and process shown in Figure 6 are similar, below in conjunction with Fig. 6 it are described in more details.
When semiconductor storage 50 described USB interface 5301 of the present invention with after data handling system A80 is connected, described controller module 52 and driver detect described USB interface 5302 immediately and whether are connected to data handling system B90:
If do not connect, data handling system A80 is by 5301 pairs of described semiconductor storage initialization of USB interface, and in data handling system A80, producing the mobile storage means configuration, data handling system A80 makes standard usb data accessing operation to semiconductor storage;
If USB interface 5302 is connected with data handling system B90 simultaneously, data handling system B90 is to the initialized while of described semiconductor storage, the also initialization and set up data handling system A80 and the network of data handling system B90 is connected of described controller module 52; Described data handling system B90 can make standard usb data accessing operation to described semiconductor storage 50 equally with after described semiconductor storage 50 is connected;
Described when having set up data handling system A80 that network connects and data handling system B90 and mutually data operation request being arranged, the network that this operation requests is set up by semiconductor storage 50 is to the other side's data handling system transmit operation request, and feeds back the request results of this operation requests.The data handling system of transmit operation request is done corresponding solicit operation according to the request results of feedback, and this solicit operation such as data reading and writing all are to connect by the network of having set up to finish.When data being write the authority permission position of data handling system B90 as data disposal system A80, send request that data write to data handling system B90, the operating right that B90 is provided with according to the user, feedback permission/refusal data handling system A80 is to the response of its write operation, and data handling system A80 writes data/do not write data handling system B90 according to this response.
The network of described data handling system A80 and B90 is connected and can connects and store enable switch 562 and be communicated with or cut off by described network, when network connects when being in dissengaged positions with storage enable switch 562, the exchanges data interruption of described data handling system A80 and B90, described data handling system A80 or B90 can only do USB standard operation (as operations such as reading and writing) to semiconductor storage 50 respectively; This network connects with storage enable switch 562 and can also switch described apparatus of the present invention 50 as a kind of single network access device by switch, and promptly described each data handling system all can not be made the data access operation of standard USB to apparatus of the present invention 50.
Connection status between described data handling system A80 and the B90, data manipulation state, content, access object, data traffic, data flow and other relevant information all can show on LCD MODULE 551.
Fig. 4 is the functional-block diagram according to the described semiconductor storage of second embodiment of the invention.As shown in Figure 4, in second embodiment of the present invention, data handling system A80 with different interface type links to each other with semiconductor storage 50 of the present invention with IEEE 1394 interfaces 5312 by the USB interface in the interface module 5311 respectively with B90, and sets up the network connection by it.
Similar with first embodiment of the invention, in the present embodiment, USB interface can be the USB interface of standard, USB interface that also can the criteria of right and wrong, be USB interface 5311 in the present embodiment can electric signal and physical arrangement and physical size all meet the USB standard, also can have only electric signal symbol USB standard but its physical arrangement and be of a size of non-USB standard.
Equally, described IEEE1394 interface can be the IEEE1394 interface of standard, IEEE1394 interface that also can the criteria of right and wrong, be that described IEEE1394 interface 5312 can be that electric signal and physical arrangement and size all meet the IEEE1394 standard, or have only its electric signal to meet the IEEE1394 standard, but its physical arrangement and be of a size of non-IEEE1394 standard.
Described IEEE1394 interface 5312 is connected with controller module 5, described controller module 52 is in order to explain, to change and control USB and IEEE1394 bus standard interface protocol, finish initialization to USB interface 5311 and IEEE1394 interface 5312, set up data handling system A80 and be connected and data exchange channel, accept the order and the data of sending from data handling system with the network of data handling system B90.
Described controller module 52 also is responsible for the mutual conversion of above-mentioned standard usb interface agreement and IEEE1394 interface standard agreement, because standard usb interface is different with IEEE 1394 interface standards, so its data exchange standard agreement is also different.Described controller module 52 can be converted to the exchanges data based on the USB standard agreement exchanges data based on the IEEE1394 standard agreement, and can will be converted to based on the exchanges data of IEEE1394 standard agreement exchanges data based on the USB standard agreement, thereby the network that reaches data handling system A80 and data handling system B90 is connected and the purpose of exchanges data.
Fig. 8 is according to the described circuit theory diagrams when interface module 53 adopts USB interface to be connected data handling system with the IEEE1394 interface respectively of second embodiment of the invention.As shown in Figure 8, J1 is that USB interface, J6 are the IEEE1394 interface among the figure, and they connect data handling system A80 and B90 respectively.Present embodiment is for realizing the connection of a plurality of dissimilar interfaces, adopted the interface hub U1 of an ISP1122ABD, this interface hub U1 provides the work clock pulse by the XT1 crystal oscillator for it, DM1, the DP1 of this interface hub U1 are connected with DM1, DP1 among Figure 10 respectively simultaneously, in order to realize that controller chip U8 shown in Figure 10 connects the network of present embodiment and exchanges data is controlled; The chip NT2020 that U3 among Fig. 8 makes for Netac company, this chip can be realized the mutual conversion of usb protocol and IEEE1394 interface protocol, thereby realizes based on the USB interface J1 of usb protocol and intercommunication mutually based on IEEE1394 protocol of I EEE1394 interface J6.Controller chip U8 among described interface hub U1, protocol conversion chip U3 and Figure 10 has constituted the controller module 52 in the present embodiment together, 52 controls of described controller module and coordination data disposal system A80 is connected with the network of B90 and exchanges data and data handling system A80, B90 and memory storage between exchanges data.
The process that the function of the described device of present embodiment is implemented among the principle process and first embodiment is similar, promptly, USB interface 5311 in the interface module 53 of described semiconductor storage 50 is connected with data handling system A80, when IEEE1394 interface 5312 is connected with data handling system B90, the initialization immediately of described controller module 52 is also carried out and its interface corresponding standard protocol operation, be that data handling system A80 carries out the operation of USB standard agreement by 5311 pairs of described semiconductor storages 50 of USB interface, data handling system B90 carries out the operation of IEEE1394 standard agreement by 5312 pairs of described semiconductor storages 50 of IEEE1394 interface, realizes data handling system A80 and the B90 data access function to described semiconductor storage 50.
Described data handling system A80, B90 are with after described memory storage 50 is connected, the controller module 52 of described semiconductor storage 50 explains and carries out USB interface agreement and IEEE1394 interface protocol immediately, carry out USB interface agreement and IEEE1394 interface protocol and conversion operations mutually, and sets up data handling system A80 in view of the above and be connected and information exchanging channel with the network of B90.
Because data handling system A80 is different with the interface standard of B90, just they based on standard agreement operation also different, therefore, when described controller module 52 carries out exchanges data between data handling system A80 and B90, need to connect and exchanges data based on the network between the data handling system of distinct interface standard with realization to carrying out conversion mutually based on the data of various criterion agreement.The protocol conversion chip can be built-in with program curing or programmable program, and this program is by controlling controller chip U8 shown in Figure 10, thereby carries out conversion based on the data of different agreement by interface hub U1.Processing as for relevant with information indicating module 55 and switch control module 56 because they are basic identical with the content described in first embodiment, so repeats no more.
Fig. 5 is the functional-block diagram according to the described semiconductor storage of third embodiment of the invention.As shown in Figure 5, in the 3rd embodiment of the present invention, data handling system A80 with different interface type links to each other with semiconductor storage 50 of the present invention with wave point 5322 by the USB interface in the interface module 5321 respectively with B90, and sets up the network connection by it.
Above-mentioned wave point comprises bluetooth (Bluetooth), infrared (IrDA), HomeRF, 802.11.a, 802.11.b, 802.11.g, HiperLAN, this radio interface module can be a kind of wave point, also can be the combination of multiple wave point, as infrared interface and blue tooth interface combination.This wave point can be discerned and the interface standard type of the data handling system that requires to connect automatically, and foundation is connected with network between the wave point data handling system; In the present embodiment, wave point 5322 is a blue tooth interface.
As shown in Figure 5, USB interface 5321, wave point 5322 are electrically connected with controller module 52, flash memory module 511 respectively, and support the two-way flow of data and signal.Described power module 54 can be by USB interface 5321 power supplies, also can adopt external power supply or self-powered power supply, power module 54 is electrically connected with described wave point 5322, USB interface 5321, controller module 52, flash memory module 511, LCD MODULE 551 etc. respectively, is used to them that electric energy is provided.
Fig. 9 is the circuit theory diagrams that described interface module adopts USB interface 5321 and wave point 5322, in Fig. 9, J4 is the USB interface that links to each other with data handling system A80, U14 is the blue tooth interface controller, and this controller chip is used to control information transmission, message pick-up, protocol conversion and the exchanges data of bluetooth equipment.Crystal oscillator Y6 provides the work clock pulse for this controller chip, this controller chip is connected and controls the work of bluetooth equipment with bluetooth equipment by BLUE TXD, BLUE RXD, BLUE DCD, RX CLK port, the TXD of this chip, RXD are connected with RXD, the TXD of controller chip U8 shown in Figure 10, and constituted the described controller module 52 of present embodiment jointly with it, be used to control and coordination data disposal system A80 is connected with the network of B90 and exchanges data and data handling system A80, B90 and memory storage between exchanges data.
Described wave point 5322 can be discerned the interface type of desiring the data handling system B90 connect with it automatically, and selects also to set up wireless connections with it with the corresponding air interface standard of its data handling system B90 that will be connected.When the interface of the data handling system B90 that will connect is blue tooth interface, 5322 of described wave points are selected the blue tooth interface agreement automatically, basket tooth interface protocol is explained and carried out to described controller module 52, and set up wireless (bluetooth) with data handling system B90 and be connected, realize the data access of data handling system B90 to described semiconductor storage 50.
When data handling system B90 with after described semiconductor storage 50 is connected, it will by semiconductor storage 50 with set up network with data handling system A80 that semiconductor storage 50 connects and be connected.
Because this moment, data handling system A80 was different with the interface standard of B90, they based on standard agreement operation also different, therefore, described controller module 52 is when data handling system A80 and B90 carry out exchanges data, need and to carry out conversion mutually based on the data of various criterion agreement, connect and exchanges data based on the network between the data handling system of distinct interface standard with realization.Be described data handling system A80 transmit need to convert to based on the data of bluetooth standard protocol and pass to data handling system B90 based on the data of USB standard agreement by controller module 52, described data handling system B90 transmitted needs to convert to based on the data of USB standard agreement and pass to data handling system A80 by controller module 52 based on the data of bluetooth standard protocol, reaches network mutually and connects purpose with exchanges data.
Under user mode, connection status between each interface type, data handling system A80 and the B90 of semiconductor storage 50, data manipulation state, content, access object, data traffic, data flow and other relevant information all can be handled by controller module 52, make information indicating on LCD MODULE 51.
As can be seen, controller module 52 is made up of controller chip U8 shown in Figure 10 and interface hub or wave point controller from above-mentioned three embodiment of the present invention, and therefore, this controller chip is important for purposes of the invention.In above-mentioned three embodiment, controller chip U8 all adopts the H8S/2215 chip to control with the network of coordinating semiconductor storage 50 to be connected and exchanges data.As shown in figure 10, in use, the D0...D7 of controller chip U8 respectively with the corresponding connection of the D0...D7 of flash chip U11 among Figure 11, in order to control and to realize the data access of data handling system to semiconductor storage 50, its LCD-RS, LCD-CLK, LCD-DATA then are connected with LCD-RS, LCD-CLK, LCD-DATA in Figure 12 LCD MODULE 551, show in order to the information that realizes semiconductor storage of the present invention, its network connects and the front that is implemented in of data converting function has been done explanation, so omit.
Though being the mode by its specific embodiment, the present invention obtains illustrating that these specify and are not construed as limiting the invention.To those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention, can make various modifications and conversion to it.For example, in the above-described embodiments, what control chip adopted is the H8S/2215 chip, but in fact can also adopt other to have the chip of similar functions.In a word, do not deviate from the various remodeling of spirit of the present invention all within the protection domain of the appended claim of the present invention.
Claims (14)
1. realize method of network connection by semiconductor storage for one kind, realize that by a kind of semiconductor storage (50) described semiconductor storage (50) comprises
Be used to store the semiconductor storage medium module (51) of data;
The controller module (52) that is connected with described semiconductor storage medium module (51);
And the interface module (53) that is connected with described controller module (52), described interface module (53) contains two interfaces at least;
Wherein, described interface module (53) connects at least two different data handling systems, described different data handling system is carried out exchanges data by connected interface and under the control of described controller module (52) with described semiconductor storage medium module (51), so that described semiconductor storage is carried out data access operation;
It is characterized in that, also comprise the steps:
(A) when described semiconductor storage (50) is connected with at least two data disposal systems by described interface module (53), described controller module (52) obtains the corresponding information of each data handling system that has connected, or described controller module (52) sends the corresponding information of described semiconductor storage (50) to described each data handling system that has connected, and described corresponding information comprises interface type information and connection state information;
(B) the arbitrary described data handling system that has connected of described controller module (52) response is set up the network connection requests with the data handling system that described semiconductor storage (50) is connected to other; Or described controller module (52) automatically sends and sets up the network connection requests to each data handling system that has been connected with described semiconductor storage (50), and receives described each data handling system this is set up the feedback information of network connecting request;
(C) described controller module (52) is according to the feedback information of described network connecting request or network connecting request, connects according to the network of setting up based on the Ethernet protocol standard between described and each data handling system that semiconductor storage (50) is connected.
2. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: described semiconductor storage medium comprises one or more that select among flash memory, DRAM, EEPROM, SRAM, FRAM, EPROM, MRAM and the MILLIPEDE.
3. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: described controller module (52) responds and carries out data exchange request and reading and writing and other steering order of described arbitrary data handling system to other data handling systems.
4. as claimed in claim 1ly realize it is characterized in that method for connecting network by semiconductor storage: described at least two interfaces of described interface module (53) are the identical or mutually different interfaces of selecting from USB, IEEE1394, serial ATA, CF, PCMCIA, True IDE, bluetooth, infrared, HomeRF, 802.11.a, 802.11.b, 802.11.g and HiperLAN interface.
5. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: described Ethernet protocol comprises IEEE802.3,802.3u, 802.3z and 802.3ae.
6. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: also comprise power module (54), it is controlled by described controller module (52), when one of described semiconductor storage (50) described interface by described interface module (53) linked to each other with a data disposal system, described power module (54) obtained electric energy by described data handling system; When at least two the described interface of described semiconductor device by described interface module (53) and at least two data disposal systems during corresponding linking to each other, described power module (54) can select one of them described data handling system that electric energy can be provided as power supply automatically, and cut off the supply of electrical energy approach of other described data handling system, to guarantee the normal power source supply of described semiconductor storage.
7. as claimed in claim 6 by semiconductor storage realization method for connecting network, it is characterized in that: described power module (54) provides electric energy for described semiconductor storage, can also or carry battery power by external power supply.
8. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: also comprise information indicating module (55), it is connected with described controller module, is used to show static information and multidate information.
9. as claimed in claim 8 by semiconductor storage realization method for connecting network, it is characterized in that: described static information comprises user profile, product information, facility information; Described multidate information comprises that data handling system flows to information, network traffic data information to reading writing information, network connection state information, the network data of described semiconductor storage.
10. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: also comprise gauge tap module (56), this gauge tap module comprises that write-protect switch (561) is connected with network and storage enable switch (562), and described write-protect switch (561) is in order to realize the data write-protect function to described storage medium module; Described network connects and stores enable switch (562) and can be communicated with or cut off the network that described each data handling system sets up by described semiconductor storage and be connected, and perhaps is communicated with or cuts off each data handling system to be connected with data access between the described semiconductor storage.
11. it is as claimed in claim 10 by semiconductor storage realization method for connecting network; it is characterized in that: described write-protect switch (561) is connected with network with storage enable switch (562) and can realizes by hardware mode; also can realize by software mode; that is, with software mode data are carried out write-protect by switch control program; the network that is communicated with or cuts off between described each data handling system connects; be communicated with or cut off exchanges data between described each data handling system; the network that is communicated with or cuts off between described each data handling system connects and exchanges data.
12. it is as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that: described controller module (52) connects according to the network of having set up, described semiconductor storage (50) is mapped as the memory disc of other data handling systems; Or described arbitrary data handling system is mapped as the memory disc of other data handling systems.
13. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that:
1) duty of definition semiconductor storage medium module, duty comprises:
Idle condition,
Query State,
The data read states,
Data are write state;
2) when described semiconductor storage medium module is in above-described all working state, all allow a plurality of data handling systems simultaneously described semiconductor storage medium module to be carried out read-only operation;
3) synchronization only allows the write operation of a data disposal system to described semiconductor storage medium module;
Wherein, when the semiconductor storage medium module is in above-mentioned data and writes state, other data handling systems can be carried out read operation to described semiconductor storage medium module, the copying data that needs are revised goes to predefined buffer zone, this data trnascription is carried out data write operation, when treating that the semiconductor storage medium module is in above-mentioned idle condition again, cover legacy data successively, finish write operation legacy data with revising the data trnascription that finishes in the buffer zone.
14. as claimed in claim 1 by semiconductor storage realization method for connecting network, it is characterized in that:
Semiconductor storage medium module read-write token is set, and each data handling system all need be held token if described semiconductor storage medium module is had visiting demand;
Token transmits between each data handling system according to designated order, when the data handling system of acquisition token is carried out data access operation to described semiconductor storage medium module, forbid of any visit of other data handling systems to described semiconductor storage medium module; And
After a data disposal system was finished data access operation, described semiconductor storage medium module was in addressable state again, and this data handling system discharges token, was used by other data handling systems.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031013023A CN100383766C (en) | 2003-01-01 | 2003-01-01 | Method for implementing network connection by utilizing semiconductor storage device |
| PCT/CN2004/000005 WO2004061680A1 (en) | 2003-01-01 | 2004-01-02 | A method for enabling network connection via semiconductor storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031013023A CN100383766C (en) | 2003-01-01 | 2003-01-01 | Method for implementing network connection by utilizing semiconductor storage device |
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| Publication Number | Publication Date |
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| CN1516027A CN1516027A (en) | 2004-07-28 |
| CN100383766C true CN100383766C (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031013023A Expired - Lifetime CN100383766C (en) | 2003-01-01 | 2003-01-01 | Method for implementing network connection by utilizing semiconductor storage device |
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| Country | Link |
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| CN (1) | CN100383766C (en) |
| WO (1) | WO2004061680A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103714845A (en) * | 2012-10-09 | 2014-04-09 | 昆达电脑科技(昆山)有限公司 | Electronic device provided with two USB interfaces |
| CN112817537B (en) * | 2021-02-09 | 2022-09-23 | 联想(北京)有限公司 | Data processing system, device and method |
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| US5784581A (en) * | 1996-05-03 | 1998-07-21 | Intel Corporation | Apparatus and method for operating a peripheral device as either a master device or a slave device |
| US6195677B1 (en) * | 1997-06-03 | 2001-02-27 | Kabushiki Kaisha Toshiba | Distributed network computing system for data exchange/conversion between terminals |
| CN1333892A (en) * | 1999-01-14 | 2002-01-30 | 弗莱特斯塔克有限公司 | Microcontroller apparatus for providing network access to a host system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2004061680A1 (en) | 2004-07-22 |
| CN1516027A (en) | 2004-07-28 |
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