CN101882121B - Bridge and computing device with bridge - Google Patents

Bridge and computing device with bridge Download PDF

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Publication number
CN101882121B
CN101882121B CN2009101695492A CN200910169549A CN101882121B CN 101882121 B CN101882121 B CN 101882121B CN 2009101695492 A CN2009101695492 A CN 2009101695492A CN 200910169549 A CN200910169549 A CN 200910169549A CN 101882121 B CN101882121 B CN 101882121B
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calculation element
interface
bridge
data communication
functional device
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CN101882121A (en
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吴胜睿
萧嘉铭
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Hanbang Sci & Tech Co Ltd
Ours Technology Inc
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Hanbang Sci & Tech Co Ltd
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Abstract

The present invention may be related to a bridge for communications in a data communication system. The bridge may include a first interface, a second interface, a memory and a micro control unit. The first interface may be adapted to couple with a first computing device in the data communication system. The second interface may be adapted to couple with a second computing device in the data communication system. The memory may be adapted to store a set of codes sent from the first computing device via the first interface, wherein the set of codes is related to one of at least one function device of the first computing device. Moreover, the micro control unit may be configured to execute the set of codes for generating device information in a format consistent with a protocol type of the second interface. The device information may include parameters related to the one function device.

Description

Bridge and calculation element with bridge
Technical field
The present invention relates to a kind of bridge.More specific, the present invention relates to a kind of calculation element with bridge.
Background technology
Calculation element for example personal computer, laptop computer and smart phone etc. all is widely used in the daily life.For access stored at calculation element (host apparatus; Below be referred to as " main frame ") in data; Peripheral device (slave unit below is referred to as " subordinate "), for example media player, universal serial bus (Universal Serial Bus; USB) driver or portable type hard disk drive, its available wired or wireless mode is built or the COM1 of this main frame itself is connected to this main frame through interior.The embodiment of this COM1 can comprise " universal serial bus " port (A type or Type B), " Institute of Electrical and Electronics Engineers " (Institute of Electrical and ElectronicsEngineers; IEEE) 1394 interfaces, " peripheral assembly interconnect " (PCI), " peripheral assembly interconnect " (Peripheral Component Interconnect; PCI) quick (Express) interface or " the sequence advanced technology is additional " (Serial Advanced Technology Attachment, SATA) interface.Data communication between this main frame and this subordinate can rely on sets up about above-mentioned these COM1 agreements.For example; The data that the subordinate of universal sequence bus unit can rely on conversion to be transferred become " irrevocable to zero; opposite " (Non Return to Zero, Inverted, NRZI) signal; " D-" through the universal sequence bus unit place reaches " D+ " port and shifts above-mentioned these signals and come to communicate with main frame then, for example computing machine.
The method of data communication possibly can't be used for two data communication between main frame between above-mentioned main frame and subordinate.For example, when these two main frames were coupled and desire to carry out data communication, these two main frames all can be competed the role of host apparatus each other.Therefore, data communication possibly can't set up, and therefore causes thrashing, and unusual end-of-job (Abnormal End of Task, ABEND) or the misoperation of above-mentioned these calculation elements.
Moreover along with increasing day by day for demand small-sized, slim and the lightweight electronic product, some calculation elements can be designed with the embedded functional device or the module of economy quantity.For example, some calculation elements possibly not comprise embedded reservoir medium, for example CD-ROM (being CD-R or CD-RW) or DVD-ROM (being DVD-R or DVD-R/W).Moreover some can comprise a little storage volume (for example small harddisk driver), and it is for some application and big inadequately.When using this calculation element, the user possibly not have enough functions (for example Storage Media or capacity) to use.Therefore, promptly having to provide external device (ED), and for example bridge uses the function or the resource of another calculation element to allow calculation element, and can not produce the problem like above-mentioned competition.
Summary of the invention
Embodiments of the invention can be provided at and be used to the bridge of communicating by letter in the data communication system.This bridge can comprise first interface, second interface, storer and micro-control unit.This first interface can be coupled in first calculation element in this data communication system.This second interface can be coupled in second calculation element in this data communication system.This internal memory can store the group code that transmits through this first interface from this first calculation element, and wherein one of at least one functional device of this group code and this first calculation element is relevant.Moreover the configurable one-tenth of this micro-control unit is carried out this group code to use the type generating device information that accords with this second interface protocol kind.This device information can comprise the parameter about this functional device.
Embodiments of the invention also can be provided at and be used to the bridge of communicating by letter in the data communication system.This bridge can comprise first interface, second interface and micro-control unit.This first interface can receive the group code relevant with one of at least one functional device.This second interface can communicate with a kind of protocol type in this data communication system.Moreover this micro-control unit can be arranged to carry out this group code to use the type generating device information that accords with this second interface protocol kind.This device information can comprise the parameter about this functional device.
Some embodiments of the present invention can be provided at and be used to the calculation element of communicating by letter in the data communication system.This calculation element can comprise functional device, application module and bridge at least.This application module can be arranged to produce the group code about one of this at least one functional device.Moreover; This bridge can comprise that also first interface is to be coupled in this application module, second interface to be coupled in another calculation element in this data communication system; And micro-control unit, configurable one-tenth is carried out this group code with the type generating device information with the protocol type that accords with this second interface.This device information can comprise the parameter about this functional device.
Some embodiments of the present invention also can be provided at and be used for method for communicating in the data communication system.This data communication system can comprise first calculation element, second calculation element and bridge, and this bridge is coupled between this first and second calculation element through first interface and second interface of this bridge respectively.This method can comprise at least one project that provides about at least one functional device in this first calculation element; Whether identification selects one of this at least one project; Wherein this project is about one of this at least one functional device in this first calculation element; When this project of selection, can produce about the group code of this functional device with the protocol type of supporting by second interface of this bridge; Rely on and carry out the device information that this group code produces this functional device, and begin the coordinator between this first and second calculation element based on this device information.
Other embodiments of the invention also can be provided at and be used for method for communicating in the data communication system.This data communication system can comprise first calculation element and second calculation element.This method can comprise at least one project that provides about at least one functional device; Whether identification selects one of this at least one project; Wherein this project is about one of this at least one functional device; The group code of the protocol type that generation is supported about this functional device and by interface one of between this first and second calculation element relies on and carries out the device information that this group code produces this functional device; And in this data communication system, begin coordinator based on this device information.
Other embodiment of the present invention also can provide data communication system.This data communication system can comprise first calculation element and bridge.This first calculation element can comprise an application module, and it can produce the group code about one of at least one functional device of this first calculation element.Moreover this bridge more can comprise first interface, second interface and micro-control unit.This first interface can be coupled in this application module.This second interface can be coupled in another calculation element in this data communication system.This micro-control unit can be arranged to carry out this group code with the type generating device information with the protocol type that accords with this second interface.This device information can comprise the parameter about this functional device.
To partly propose other characteristics of the present invention and advantage in the explanation hereinafter, and it is wherein a part of from this explanation, will to understand the present invention, perhaps relies on embodiment of the present invention also can know.Rely on the element of listing especially in the claim can understand and reach characteristics of the present invention and advantage with combination.
Will be appreciated that the summary description of preceding text and the detailed description of hereinafter all only are made for illustration and explanation, the invention that it does not limit this paper is advocated.
Description of drawings
When and when reading with each accompanying drawing, the summary and the preceding text that disclose before can better understanding the present invention specify.For reaching illustration purpose of the present invention, expression has each preferable embodiment of existing genus in each accompanying drawing.Should be appreciated that so the present invention is not limited to represented accurate row and puts mode and apparatus.
In the middle of each accompanying drawing:
Figure 1A is the illustration schematic block diagram of data communication system according to an embodiment of the invention;
Figure 1B is the chart of the exemplary means descriptor of data communication system shown in illustration Figure 1A;
Fig. 1 C is the method flow diagram of data communication in the data communication system shown in illustration Figure 1A;
Fig. 2 A is the illustration schematic block diagram of data communication system according to another embodiment of the present invention;
Fig. 2 B is the method flow diagram of data communication in the data communication system shown in the illustrated view 2A;
Fig. 3 A be illustration according to the present invention the schematic block diagram of the data communication system of another embodiment again;
Fig. 3 B is the method flow diagram of data communication in the data communication system shown in the illustrated view 3A;
Fig. 4 A be illustration according to the present invention the schematic block diagram of the data communication system of another embodiment again; And
Fig. 4 B is the method flow diagram of data communication in the data communication system shown in the illustrated view 4A.
Description of reference numerals
1 data communication system
2 data communication systems
3 data communication systems
4 data communication systems
10 bridges
10 ' bridge
11 application modules
The 11-1 user interface
12 first interfaces
14 first memories
15 ROM (read-only memory)s
16 second ROM (read-only memory)s
17 micro-control units
18 second interfaces
19 interfaces
20 bridges
21 operating systems
33 functional devices
33a first functional device
33b second functional device
66 first calculation elements
88 second calculation elements
98 USB unit describes symbol
166 first calculation elements
211 application modules
266 first calculation elements
311 application modules
366 first calculation elements
Embodiment
At present will be in detail with reference to the embodiment of the invention, embodiment is illustrated among the accompanying drawing.Most its possibility will be according to the similar elements symbol to represent identical or similar parts in institute's drawings attached.
Figure 1A is data communication system 1 framework calcspar according to one embodiment of present invention.Please with reference to Figure 1A, data communication system 1 can comprise first calculation element 66, second calculation element 88 and bridge 10, and it is between first calculation element 66 and second calculation element 88.First calculation element 66 can include but not limited to server, main frame type computing machine, personal computer, laptop computer, mobile computer and smart phone one of them; And can have an application (Application; AP) module 11 and an operating system (Operating system, OS) 21.Application module 11 is embodied as software, and it can comprise the program code that can be installed in first calculation element 66.In addition, application module 11 is embodied as hardware, and it can be made into integrated chip (IC).The person of ordinary skill in the field can recognize that the real work of this hardware is preferable by the angle of operating speed, and this software implementation is lower by the angle cost of design complexities.
Moreover first calculation element 66 can comprise at least one functional device 33, and they can be by operating system 21 controls.Functional device 33 also can comprise a kind of at least one entity apparatus or the virtual bench.In one embodiment, at least one functional device 33 can comprise the entity human-computer interface device (Human interface device, HID), for example mouse or keyboard.In another embodiment; At least one functional device 33 can comprise the entity embedded equipment, for example a kind of in CD-ROM (being CD-R or CD-RW), DVD-ROM (being DVD-R or DVD-R/W), hard disk drive, Network Interface Module or card, TV tuner and the DVB-T tuner.In another embodiment, at least one functional device 33 can close and be connected in virtual machine or virtual bench, and its form can be the software that can carry out image archives, and for example CD image file or DVD image file are comprising the data structure of CD or DVD form.
Second calculation element 88 can comprise another calculation element, similarly is a kind of in server, main frame type computing machine, personal computer, laptop computer, mobile computer and the smart phone.
Bridge 10 can comprise that first interface 12 is to be coupled in first calculation element 66, second interface 18 to be coupled in second calculation element 88, first memory 14; RAS (Random access memory for example; RAM), ROM (read-only memory) (Read-only memory; ROM) the 15, the 2nd RAM 16 and micro-control unit (Micro-control unit, MCU) 17.ROM (read-only memory) 15 can store boot code.Micro-control unit 17 can load this boot code in its high-speed cache or flash memory, and carries out this boot code and come initialization bridge 10.Moreover, second RAS 16 can be after bridge 10 be initialised as the impact damper of first and second calculation element 66 and 88 data transmission.
Application module 11 can comprise that also (it can provide at least one project to let the user select to user interface for User interface, UI) 11-1, and this at least one project can be word marking or image icon.Each above-mentioned project can be about one of at least one functional device 33.User interface 11-1 can be configured to receive the input from one of this user's user, and it selects one of this at least one project, and selection is arranged about one of at least one functional device 33 of this option again.Application module 11 can be arranged to produce group code in response to this project of being selected by this user, and loads group code in the middle of first RAS 14 of bridge 10 through first interface 12.This group code can comprise can be by the program code or the firmware of micro-control unit 17 execution.First and second interface 12 and 18 each can be arranged to support one of following data transmission; Universal serial bus (USB) (A type or Type B), Institute of Electrical and Electronics Engineers 1394, peripheral assembly interconnect (PCI), peripheral assembly interconnect (PCI Express fast for example; PCIe or PCI-Ex), and additional (Serial ATA or the SATA) agreement of sequence advanced technology.The protocol type of second interface 18 is supported by second calculation element 88.This group code can be about this project, and the functional device 33 selected by this user and the protocol type of second interface 18 are arranged again.
Be in operation, this group code can obtain from first RAS 14, and carries out generation device information by micro-control unit 17, and it can make the selected functional device 33 of second calculation element, 88 identifications.Based on this group code, this device information can produce with the form that accords with second interface, 18 protocol type, and comprises the parameter about selected functional device 33.This device information can include but not limited in size and/or state, package form or the power consumption of kind, resource, operating frequency, reservoir of for example selected functional device 33 at least one.
When said apparatus information is sent to second calculation element 88, application module 11 can start coordinator, is used to set through bridge 10 communicating by letter in 88 in first calculation element 66 and second communication device.Because the device information of being received by second calculation element 88 is can handle or discern first calculation element 66 and bridge 10 is an integral body as selected functional device 33 about selected functional device 33, the second calculation elements 88.Second calculation element 88 can be based on the protocol type described in this device information, package form or size and transmit or receive package then.Therefore, second calculation element 88 can use the resource or the function of selected functional device 33.That is to say that selected functional device 33 can be as slave unit, and second calculation element 88 with respect to selected functional device 33 as a main frame.
As previously mentioned, it is quick that second interface, 18 configurable one-tenth are supported in universal serial bus, Institute of Electrical and Electronics Engineers 1394, peripheral assembly interconnect, peripheral assembly interconnect, and the data transmission one of in the sequence advanced technology Additional Agreement.If second calculation element 88 supports this universal serial bus agreement and second interface 18 to comprise the universal serial bus port; This device information can comprise the universal sequence bus unit descriptor; And second calculation element 88 can receive this universal serial bus descriptor during the universal serial bus initialization, is used for communicating by letter through second interface, 18 set-up function devices 33 and 88 of second calculation elements.
Figure 1B is the chart of the exemplary universal sequence bus unit descriptor 98 of data communication system 1 shown in illustration Figure 1A.Please with reference to Figure 1B, universal sequence bus unit descriptor 98 can be specified the basic still important device information about selected functional device 33.Universal sequence bus unit descriptor 98 can comprise the information for the agreement of for example being supported, maximum packet size, manufacturer, product IDs and the selected functional device 33 spendable numbers that possibly be provided with.In one embodiment, during the form of universal sequence bus unit descriptor 98 can be shown in the following table one:
Off normal Field Size Numerical value Explanation
0 bLength 1 Numeral Descriptor size, byte (18bytes)
1 bDescriptorType 1 Constant Unit describe symbol (0x01)
2 bcdUSB 2 BCD The USB specification number, it is equality circuit also
4 bDeviceClass 1 Classification If equal zero, each interface is specified the classification sign indicating number of itself to classification sign indicating number (being specified by the USB tissue).If equal 0xFF, the classification sign indicating number is that manufacturer specifies.Otherwise field is effective classification sign indicating number.
5 BDeviceSubClass 1 SubClass Subclass sign indicating number (specifying) by the USB tissue
6 BDeviceProtocol 1 Agreement Agreement sign indicating number (specifying) by the USB tissue
7 BMaxPacketSize 1 Numeral The maximum packet size of zero end points.Effectively size is 8,16,32,64.
8 IdVendor 2 ID The ID of manufacturer (specifying) by the USB tissue
10 IdProduct 2 ID Product IDs (specifying) by manufacturer
12 BcdDevice 2 BCD The device number of disengaging
14 IManufacturer 1 Index The index of manufacturer's character string descriptor
15 IProduct 1 Index The index of product character string descriptor
16 ISerialNumber 1 Index The index of sequence number character string descriptor
17 BNumConfiguratio ns 1 Integer The number that possibly be provided with
Please with reference to this form, also with reference to Figure 1B, universal sequence bus unit descriptor 98 can be included in " field " hurdle the not project of coordination size, and the parameter in " numerical value " hurdle." bcdUSB " representes the highest version of the universal serial bus that this functional device is supported.This numerical value is the dualization coded decimal number; Its form is " 0xJJMN "; Wherein " JJ " is main version number; " M " is minor version number, and " N " is sub-minor version number (for example universal serial bus 2.0 is expressed as 0x0200, and universal serial bus 1.1 expressions becoming 0x0110 and universal serial bus 1.0 expressions become 0x0100)." bDeviceClass ", " bDeviceSubClass " and " bDeviceProtocol " are used by the operating system of second calculation element 88, seek one of selected functional device 33 classification driver.Basically only there be " bDeviceClass " to be set at this device level.Most of classification specifications are chosen in this interface level identification its oneself, therefore set " bDeviceClass " as 0x00, and it allows this device to support multiple classification." bMaxPacketSize " field is represented the maximum packet size of end points zero.All universal sequence bus units must be supported end points zero." idVendor " reaches " idProduct " and made the driver that is used for seeking selected functional device 33 by this operating system." ID of manufacturer " is specified by USB-IF." bcdDevice " has the form identical with bcdUSB, and it is used for the generator version number.It can have the details that three character string descriptors provide manufacturer, product and sequence number.It need not have character string descriptor.If there is not character string descriptor, must use one zero index." bNumConfigurations " defines the number that is provided with that this device supported under its present speed.
In the present embodiment, application module 11 produces this group code, and it can be carried out by micro-control unit 17 then.Based on this group code, micro-control unit 17 is with the type generating device descriptor shown in Figure 1B, and be arranged in above table " numerical value " hurdle shown in these parameters.When receiving through second interface 18 from this device information of bridge 10 (i.e. this unit describe symbol), second calculation element 88 can recognition function device 33 as the universal sequence bus unit that is additional to second calculation element, 888 universal serial bus ports.For example, it can select the hard disk drive of first calculation element 66.After receiving this device information, the hard disk drive that second calculation element 88 can be regarded as first calculation element 66 to add, and use this resource of providing by this hard disk drive hard disk drive in an identical manner as itself.
Even the person of ordinary skill in the field can recognize universal serial bus descriptor format and parameter only are described; This device information can use another kind of descriptor format to produce; It has the Institute of Electrical and Electronics Engineers of being applicable to 1394; Peripheral assembly interconnect, peripheral assembly interconnect are fast and other parameter of one of sequence advanced technology Additional Agreement.
Fig. 1 C is the process flow diagram that is illustrated in first and second calculation element 66 and 88 communication meanss in the data communication system shown in Figure 1A 1.Please with reference to Fig. 1 C, in step 101, bridge 10 can pass through first and second interface 12 and 18 electrical couplings respectively between first and second calculation element 66 and 88.About this coupling, it does not need first interface 12 and second interface 18 to be connected to first calculation element 66 and second calculation element 88 with wired mode entity.For example, first interface 12 or second interface 18 can comprise radio universal serial bus port, and it can carry out hot plug from first calculation element 66 or second calculation element 88.Therefore, the connection kind of first interface 12 or second interface 18 or situation must be able to not be regarded as limiting by any way scope of the present invention.
In step 102, when this project can be selected by the user of system 1, provide at least one project can be by application module 11 identifications by user interface 11-1.The project of institute's identification is at least one functional device 33 about first calculation element 66.
In step 103, can be about the group code of this functional device 33 by application module 11 generations.This group code can comprise the information for this functional device 33 and second interface, 18 protocol type.
Then, in step 104, this group code can be sent to bridge 10 from first calculation element 66 through first interface 12.Particularly, this group code is to be stored in first RAS 14 of bridge 10.
In step 105, device information can this group code produces in the micro-control unit 17 by carrying out.Particularly, micro-control unit 17 can produce this device information with the form that accords with second interface, 18 protocol type based on this group code, and the parameter of this functional device 33 can be set.
This device information is sent to second calculation element 88 through second interface 18 from bridge 10 then, like step 106.Because this device information closes and is connected in these functional device 33, the second calculation elements 88 and can discerns first calculation element 66 and become this functional device 33.
In step 107, first and second calculation element 66 and 88 coordinators can be started by application module 11, to be set in communication therebetween.
Then, in step 108, second communication device 88 can communicate through using the agreement and first calculation element 66 about second interface 18.In one embodiment, it is quick that this agreement can be universal serial bus, Institute of Electrical and Electronics Engineers 1394, peripheral assembly interconnect, peripheral assembly interconnect, and one of in the sequence advanced technology Additional Agreement.
Fig. 2 A is the illustration schematic block diagram of data communication system 2 according to another embodiment of the present invention.Please with reference to Fig. 2 A, data communication system 2 can be similar to reference to illustrative data communication system 1 that Figure 1A addresses, except for example bridge 10 ' can be embedded in first calculation element 166.
Fig. 2 B is illustrated in first and second calculation element 166 and 88 method for communicating process flow diagrams in the data communication system 2 shown in Fig. 2 A.Please with reference to Fig. 2 B; This method can be similar to reference to illustration person that Figure 1B addresses; Except for example in step 201, first and second calculation element 166 and 88 is embedded in the bridge 10 ' electrical couplings each other in first calculation element 166 via first and second interface 12 and 18 through bridge 10 '.
Moreover in step 103, the group code that application module 11 is produced can be sent to bridge 10 ', like step 204.
Fig. 3 A is the schematic block diagram according to further embodiment of this invention data communication system 3.Please with reference to Fig. 3 A, data communication system 3 can comprise first calculation element 266, and second calculation element 88.First calculation element 266 can comprise operating system 21, application module 211 and bridge 20.Application module 211 can be similar to reference to Figure 1A and Fig. 2 illustrative application module 11 that A addresses, and produces group code based on the functional device of being selected by the user 33 in response to the signal from user interface 11-1.This group code can carry out generation device information by the operating system 21 of first calculation element 266.This group code can be closed the protocol type that is connected in selected functional device 33 and interface 19.Interface 19 is similar to second interface 18 shown in Figure 1A and the 2A, and it can support universal serial bus, Institute of Electrical and Electronics Engineers 1394, peripheral assembly interconnect, peripheral assembly interconnect quick, and in the sequence advanced technology Additional Agreement at least one.
In one embodiment, interface 19 can comprise the universal serial bus port, and it can be coupled in another universal sequential bus interface (not shown) of second calculation element 88.The person of ordinary skill in the field can recognize easily that these two universal sequential bus interfaces can use a kind of wired mode coupled to each other through the signal cross cable, universal serial bus cable for example, or coupled to each other with wireless mode through at least one antenna.In the present embodiment, based on this group code from application module 211, but operating system 21 generation device descriptors, for example about the universal sequence bus unit descriptor of the functional device 33 of first calculation element 266.Moreover operating system 21 can be provided with the parameter in this unit describe symbol " numerical value " hurdle based on this group code.For example, the kind field of the unit describe of representation function device 33 kinds symbol can be set up, and it represents functional device 33 for being additional to the universal sequence bus unit of second calculation element 88.
Bridge 20 can be arranged to handle through interface 19 communicating by letter at operating system 21 and 88 of second calculation elements.For example, bridge 20 can transmit this unit describe through interface 19 and accord with second calculation element 88.In one embodiment, bridge 20 can comprise the software or the driver of operating system 21, to communicate through the interface 19 and second calculation element 88.In another embodiment, bridge 20 can be a universal serial bus driver that is installed in first calculation element 266, and manages the communication through interface 19 as the some of operating system 21 cores.
Fig. 3 B is illustrated in first and second calculation element 266 and 88 method for communicating process flow diagrams in the data communication system 3 shown in Fig. 3 A.Please with reference to Fig. 3 B, in step 301, first and second calculation element 266 and 88 can be through interface 19 through being embedded in bridge 20 electrical couplings each other in first calculation element 266.
Be in the step 103 to be produced after the group codes by application module 211, this group code can be sent to the operating system 21 of first calculation element 266, like step 304.
This group code is carried out by operating system 21 then, for example is the device information of unit describe symbol with the generation form, like step 305.If interface 19 comprises the universal serial bus port, please once more with reference to Figure 1B, based on this group code, operating system 21 can be with the type generating device descriptor of the protocol type that accords with interface 19, and the parameter of selected functional device 33 is set.
In step 306, the operating system 21 of first calculation element 266 can transmit this device information to second calculation element 88 through bridge 20 and interface 19.Based on the unit describe symbol of kind, agreement and/or the function of representation function device 33, first calculation element 266 can be considered functional device 33.
Then, after the coordinator in step 107, second calculation element 88 can use the agreement of being supported by interface 19 to communicate with first communicator 266 that imitates into functional device 33.
Fig. 4 A is illustration data communication system 4 schematic block diagrams according to another embodiment of the present invention.Please with reference to Fig. 4 A, data communication system 4 can comprise first calculation element 366 and second calculation element 88.First calculation element 366 can comprise the application module 311 except operating system 21 and bridge 20.Application module 311 can be arranged to support at least one first functional device 33a and at least one second functional device 33b.Among at least one first functional device 33a each can comprise the entity function device, and among this at least one second functional device 33b each can be about virtual machine or virtual bench.This at least one second functional device 33b can comprise the software that can simulate about the function of entity apparatus, for example CD-ROM or DVD-ROM.When being carried out by operating system 21, this at least one second functional device 33b can be used as can access or carry out the virtual machine or the virtual bench of data in the image archives.In one embodiment, these image archives can comprise CD image or DVD image, and it comprises the data in the data structure that is compressed in CD or DVD form respectively, and it can be read or access by operating system 21.
Fig. 4 B is for being illustrated in shown in Fig. 4 A first and second calculation element 366 and 88 method for communicating process flow diagrams in the data communication system 4.Please with reference to Fig. 4 B; This method can be similar to the said person with reference to Fig. 4 A; Except for example in step 402, application module 311 can identification operating system 21 spendable first and second functional device 33a and 33b at least one, and produce project about these functional devices 33a and 33b.Above-mentioned these projects can show that the cause user selects by user interface 11-1.Secondly, application module 311 produces group code based on the signal in response to from user interface 11-1 of at least one functional device 33a that is selected by this user and 33b.This group code can be carried out according to selected this functional device generation device information by the operating system 21 of first calculation element 366.For example, if select one of at least one second functional device 33b about virtual CD-ROM, then device information or the unit describe symbol about this CD-ROM can be produced, and is sent to second calculation element 88.
The person of ordinary skill in the field should promptly understand and can change above-mentioned each item embodiment, and unlikelyly is contrary to from the inventive concepts of its broad sense.Therefore, should be appreciated that the specific embodiment that the present invention is not limited to disclose, but for containing the modification in ownership as back year defined spirit of the present invention of each item claim and the scope.
In addition, when explanation exemplary embodiment of the present invention, this instructions can be shown specific order of steps with method of the present invention and/or activity list; But, because the scope of this method or operation is not limited to the specific order of steps that this paper proposes, so this method or operation should not be subject to described particular step order.Also is feasible as the person of ordinary skill in the field when understanding other order of steps.So, should the particular step order that this instructions proposed be regarded as the restriction to claim.In addition; Also should be with the claim of relevant method of the present invention and/or operation only for built in enforcement with written contained order of steps; The person of ordinary skill in the field is easy to understand, but the also change of above-mentioned these order, and still be covered by within spirit of the present invention and the category.

Claims (36)

1. one kind is used for the bridge that data communication system communicates, and this bridge comprises:
First interface is in order to be coupled in first calculation element in this data communication system;
Second interface is in order to be coupled in second calculation element in this data communication system;
Storer, in order to store the group code that transmits from this first calculation element through this first interface, wherein this group code is one of at least one functional device about this first calculation element; And
Micro-control unit is arranged to directly carry out this group code, and with the type generating device information with the protocol type that accords with this second interface, this device information comprises the parameter about this functional device.
2. bridge according to claim 1 is characterized in that, this at least one functional device one of comprises at least one entity apparatus or the virtual bench.
3. bridge according to claim 2 is characterized in that, this entity apparatus comprises the human-computer interface device that is additional to this first calculation element at least and one of is embedded in the embedded equipment in this first calculation element.
4. bridge according to claim 2 is characterized in that this virtual bench comprises the virtual machine that can carry out the image archives.
5. bridge according to claim 1; It is characterized in that this protocol type comprises that at least one universal serial bus (USB), an Institute of Electrical and Electronics Engineers (IEEE) 1394, a peripheral assembly interconnect (PCI), a peripheral assembly interconnect are fast one of in (PCI Express) and additional (SATA) agreement of a sequence advanced technology.
6. bridge according to claim 5; It is characterized in that the form of this device information comprises that at least one universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology attachment device descriptor.
7. one kind is used for the bridge that communicates in data communication system, and this bridge comprises:
First interface, it can receive the group code about one of at least one functional device;
Second interface, it can communicate with a kind of protocol type in this data communication system; And
Micro-control unit is arranged to directly carry out this group code, and with the type generating device information with the protocol type that accords with this second interface, this device information comprises the parameter about this functional device.
8. bridge according to claim 7 is characterized in that, this at least one functional device one of comprises at least one entity apparatus or the virtual bench.
9. bridge according to claim 8 is characterized in that, this entity apparatus comprises the human-computer interface device that is additional to this first calculation element at least and one of is embedded in the embedded equipment in this first calculation element.
10. bridge according to claim 8 is characterized in that this virtual bench comprises the virtual machine that can carry out the image archives.
11. bridge according to claim 7; It is characterized in that this protocol type comprises that a universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology Additional Agreement.
12. bridge according to claim 11; It is characterized in that the form of this device information comprises that a universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology attachment device descriptor.
13. one kind is used for the calculation element that communicates in data communication system, this calculation element comprises:
At least one functional device;
Application module is arranged in order to produce the group code about one of this at least one functional device; And bridge, also comprise:
First interface is to be coupled in this application module;
Second interface is with another calculation element in this data communication system of son that is coupled; And
Micro-control unit is arranged to directly carry out this group code, and with the type generating device information with the protocol type that accords with this second interface, this device information comprises the parameter about this functional device.
14. calculation element according to claim 13 is characterized in that, this at least one functional device one of comprises at least one entity apparatus or the virtual bench.
15. calculation element according to claim 14 is characterized in that, this entity apparatus comprises the human-computer interface device that is additional to this first calculation element at least and one of is embedded in the embedded equipment in this first calculation element.
16. calculation element according to claim 14 is characterized in that, this virtual bench comprises the virtual machine that can carry out the image archives.
17. calculation element according to claim 13; It is characterized in that this protocol type comprises that a universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology Additional Agreement.
18. calculation element according to claim 17; It is characterized in that the form of this device information comprises that at least one universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology attachment device descriptor.
19. calculation element according to claim 13 is characterized in that, this application module comprises user interface, is arranged to provide at least one project that can be selected by the user, and each of this at least one project is about one of this at least one functional device.
20. calculation element according to claim 13 is characterized in that, this group code is about by one of selected this at least one project of this user.
21. a method for communicating in data communication system, comprise first calculation element, second calculation element and respectively first and second interface through bridge be coupled in this bridge between this first and second calculation element, this method comprises:
At least one project about at least one functional device in this first calculation element is provided;
Whether identification selects one of this at least one project, and wherein this project is about one of at least one functional device of this first calculation element;
If this project is selected, then produce the group code of the protocol type of supporting about this functional device and by this second interface of this bridge;
Produce the device information of this functional device by this group code of direct execution; And
Begin the coordinator between this first and second calculation element based on this device information.
22. method according to claim 21 is characterized in that, provides at least one project about at least one functional device in this first calculation element also to comprise:
The user interface that shows this at least one project is provided; And
Receive the user interface of one of this at least one project of selection.
23. method according to claim 21 is characterized in that, produces about the group code of this functional device with the protocol type of being supported by this second interface of this bridge, also comprises:
Generation is about this group code of this protocol type, comprising at least one universal serial bus of being supported by this second interface of this bridge, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect one of fast and in the sequence advanced technology Additional Agreement.
24. method according to claim 21 is characterized in that, through carrying out this group code generation device information, also comprises:
To comprise that at least one universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, the peripheral assembly interconnect form one of fast and in the sequence advanced technology attachment device descriptor produces this device information.
25. a method that in the data communication system that comprises first calculation element and second calculation element, communicates, this method comprises:
At least one project about at least one functional device is provided;
Whether identification selects one of this at least one project, and wherein this project is about one of this at least one functional device;
The group code of the protocol type that generation is supported about this functional device and by one interface between this first and second calculation element;
Produce the device information of this functional device by this group code of direct execution; And
In this data communication system, start coordinator based on this device information.
26. method according to claim 25 is characterized in that, provides at least one project about at least one functional device also to comprise:
The user interface that shows this at least one project is provided; And
Receive the user interface of one of this at least one project of selection.
27. method according to claim 25 is characterized in that, produces about the group code of this functional device with the protocol type of being supported by an interface, also comprises:
Generation is about this group code of this protocol type, comprising at least one universal serial bus of being supported by this interface, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect one of fast and in the sequence advanced technology Additional Agreement.
28. method according to claim 25 is characterized in that, through carrying out this group code generation device information, also comprises:
To comprise that a universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, the peripheral assembly interconnect form one of fast and in the sequence advanced technology attachment device descriptor produces this device information.
29. a data communication system comprises:
First calculation element comprises application module, and this application module can produce the group code about one of at least one functional device of this first calculation element; And
Bridge also comprises:
First interface is to be coupled in this application module;
Second interface is to be coupled in another calculation element in this data communication system; And
Micro-control unit is arranged to directly carry out this group code, and to use the type generating device information that accords with this second interface protocol kind, this device information comprises the parameter about this functional device.
30. data communication system according to claim 29 is characterized in that, this at least one functional device one of comprises in an entity apparatus or the virtual bench at least.
31. data communication system according to claim 30 is characterized in that, this entity apparatus comprises the human-computer interface device that is additional to this first calculation element at least and one of is embedded in the embedded equipment in this first calculation element.
32. data communication system according to claim 30 is characterized in that, this virtual bench comprises the virtual machine that can carry out the image archives.
33. data communication system according to claim 29; It is characterized in that this protocol type comprises that at least one universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology Additional Agreement.
34. data communication system according to claim 33; It is characterized in that the form of this device information comprises that at least one universal serial bus, an Institute of Electrical and Electronics Engineers 1394, a peripheral assembly interconnect, a peripheral assembly interconnect are one of fast and in the sequence advanced technology attachment device descriptor.
35. data communication system according to claim 29; It is characterized in that; This application module comprises user interface, is arranged at least one project that can be selected by the user in order to provide, and each of this at least one project is about one of this at least one functional device.
36. data communication system according to claim 35 is characterized in that, this group code is about by one of this this user-selected at least one project.
CN2009101695492A 2009-05-07 2009-09-08 Bridge and computing device with bridge Active CN101882121B (en)

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