CN101218574A - Legacy device bridge for residential or non-residential networks - Google Patents
Legacy device bridge for residential or non-residential networks Download PDFInfo
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- CN101218574A CN101218574A CNA200380108424XA CN200380108424A CN101218574A CN 101218574 A CN101218574 A CN 101218574A CN A200380108424X A CNA200380108424X A CN A200380108424XA CN 200380108424 A CN200380108424 A CN 200380108424A CN 101218574 A CN101218574 A CN 101218574A
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Abstract
A legacy device bridge for use in a network, such as a wired or wireless residential network, is provided. The legacy device bridge performs protocol conversion to enable a network-attached entity that uses a packet-based communication protocol to communicate with and control legacy devices, such as consumer electronics, that rely exclusively on infrared (IR) or serial communication protocols. The legacy device bridge also performs a virtualization function that allows legacy devices to be advertised to the network as devices that comply with a packet-based discovery and control protocol, and to be controlled as such. The legacy device bridge is also adapted to probe, deduce and publish information relating to the state of a legacy device to other entities on the network.
Description
Technical field
Relate generally to network of the present invention.More specifically, the present invention relates to a kind of being used to finds, communicates by letter and control the interface unit that is connected in such as the parts on the network of network of wired or wireless residence.
Background technology
Network in family and the small office becomes more prevalent.This mainly is because have increase more than the quantity of the family of one personal computer (PC) and small office.For this multicomputer family and office, network provides various benefits.For example, this network can make user's sharing of common printer, shared document and other file of multiple pc, and by common network connected reference internet.
In view of the increase of this popularization, home/office chamber network is expanded into allows the conventional consumer electronics of control, for example televisor, stereo set, videocassette recorder (VCR) and digital video disk (DVD) player and communicate by letter with them is good.But communication that most consumer electronics are utilized infrared (" IR ") is as the remote control means.Alternatively, adopt serial communication and radio frequency (RF) agreement.Regrettably, these communication modes and the employed packet-based communication protocol of many home/office chamber network communication for example TCP/IP be inconsistent.
Can make the parts of conventional consumer electronics on the network of home/office chamber inform that they are own and issue the command set that can control them is useful.For example universal plug and play (UPnP) agreement is this functional to enable on networking gear can to adopt modern parts discovery and control protocol.But such as the product of the protocol requirement complexity of UPnP: promptly (a) adapts to network and connects, and (b) has suitable calculating and storage resources.Those conventional consumer electronics for example described above typically lack these characteristics.Like this, wish to start the consumer of these characteristics except waiting for the listing of agreement consistent unit and giving up their the existing legacy device there is not what selection.
Except find with packet-based communication protocol and modern parts and control protocol incompatible, the consumer electronics part that relies on IR or serial communication protocol has some other shortcomings.For example, most traditional consumption person electron devices lack the feedback mechanism that can pass through its reporting unit state.Such as the modern parts of UPnP agreement find and control protocol typically to allow consistent unit to issue interested network entity utilizable with the method to their inquiry status informations.But the most consumers electron device does not have status report mechanism.For example, the consumption IR as the leading form of IR communication mostly is unidirectional.
In addition, in order to control the consumer electronics that relies on IR communication, IR transmitter (being also referred to as " telepilot ") must be positioned within the very short scope of target component, and transmission path must not comprise for example obstruction of wall of physical obstacle.These physically very close to and the requirement of accessible sight line position seriously limited the mode that can control the consumer electronics that relies on IR.
Thereby, expect the parts of a kind of permission by for example wired or wireless residence network control of network traditional consumption person electron device.For this reason, the parts of this expectation should packet-based communication protocol for example the communication protocol that adopts of TCP/IP and traditional consumption person electron device for example change between IR and the serial protocol.
The parts of this expectation also should be able to be found modern parts and control protocol (for example UPnP agreement) world and the legacy device world link.For example, the parts of this expectation reply legacy device provides UPnP control and administration functionality, also allows simultaneously when " real " UPnP parts can use it to be added in the network.
The state of one or more traditional consumption person electron devices also should be able to be determined or infer to the parts of this expectation.The parts of this expectation should be followed and can be distributed to interested network entity to this status information.
The parts of this expectation also should allow by the network control legacy device, thereby avoid using traditional sight line formula IR controller.Thus, the user of these expectation parts needn't with the parts of hope control in same room or have a clog-free path.Thereby these expectation parts should provide real " remote control ".
Summary of the invention
The present invention relates to a kind of enable pass and cross the legacy device bridge of for example wired or wireless residence of network network control system consumer electronics.In one embodiment, in order to realize this function, this legacy device bridge packet-based communication protocol for example the communication protocol that adopts of TCP/IP and traditional consumption person electron device for example change between IR and the serial protocol.
The invention still further relates to a kind of virtual device, its modern parts find and control protocol for example the UPnP agreement world and the legacy device world link.In one embodiment, this virtual device provides UPnP control and administration functionality to legacy device, and allows natural UPnP parts to become in the time of can using they to be added on the network.
The invention still further relates to a kind of legacy device bridge, it extracts the status information of relevant traditional consumption person electron device and this information is offered interested network components.In one embodiment, this legacy device bridge utilize detector to extract can be from wherein determining the environmental information of the state of one or more traditional consumption person electron devices.Then to interested network entity reporting state information.
Description of drawings
That this paper comprises and constitute this instructions a part description of drawings the present invention and and instructions further explain principle of the present invention together so that those skilled in the art can realize and use the present invention.
Fig. 1 describes the example context that one embodiment of the present of invention can be operated therein.
Fig. 2 is the physical arrangement concept map comprising the exemplary operations environment of the legacy device bridge of foundation one embodiment of the invention.
Fig. 3 illustrates the legacy device bridge according to one embodiment of the invention.
A kind of method of utilizing according to the legacy device bridge control legacy device of one embodiment of the invention of the flow chart description of Fig. 4.
Fig. 5 A, 5B and 5C illustrate the example according to the legacy device bridge of various embodiment of the present invention.
Fig. 6 illustrates the network system according to the remote storage that the legacy device sign indicating number is provided of one embodiment of the invention.
A kind of method of utilizing according to the legacy device bridge control legacy device of one embodiment of the invention of the flow chart description of Fig. 7, wherein remote storage legacy device control code.
Fig. 8 describes the legacy device bridge 800 according to the IR beacon that is used to provide position consciousness information comprising of one embodiment of the invention.
A kind of legacy device bridge that utilizes according to one embodiment of the invention of the flow chart description of Fig. 9 provides the method for position consciousness information.
Figure 10 illustrates the virtual device of a kind of legacy device according to one embodiment of the invention.
The method that the flowchart text of Figure 11 is virtual according to the legacy device of one embodiment of the invention, inform and control.
Figure 12 illustrates a kind of legacy device bridge that extracts and report the legacy device state that is applicable to according to one embodiment of the invention.
Figure 13 represents a kind of computer system based on processor that realizes various features of the present invention.
In conjunction with the wherein similar accompanying drawing with reference to the corresponding member of character mark, the detailed description the features and advantages of the present invention of setting forth from below can become clearer.In each accompanying drawing, similar reference number ordinary representation member identical, functionally similar and/or similar.The figure that certain member occurs for the first time represents with the most left numeral (group) in the corresponding reference number.
Embodiment
A. general introduction
Provide a kind of network that is used for, the legacy device bridge of for example wired or wireless residence net.As this paper can be described in more detail, this legacy device bridge finish protocol conversion so that adopt packet-based communication protocol the networking entity can with the legacy device that exclusively depends on infrared (IR) or serial communication protocol for example consumption electronic product communicate by letter and it controlled.This legacy device bridge is also realized virtualization, this function allow legacy device to network oneself informing to deferring to for example parts of universal plug and play (UPnP) agreement of packet-based discovery and control protocol, and by controlled like this.This legacy device bridge also is suitable for other entity detection, deduction and the issue information relevant with the state of legacy device on the network.
B. the operating environment of example
Fig. 1 describes the example context 100 that embodiments of the invention can be operated therein.Should be understood that thereby this exemplary operations environment 100 is just for not limiting the present invention shown in the illustrative purpose.Other of the instruction exemplary operations environment 100 that comprises according to this paper realizes it being significantly for those skilled in the art, and the present invention relates to these other realizations.
Described in Fig. 1, exemplary operations environment 100 comprises the parts that are connected in a plurality of communications on the network 102.In one embodiment, network 102 comprises the residence network of the parts of the upward connection man that is used for communicating by letter.According to such embodiment, network 102 for example can comprise home phone number gauze, household electrical source gauze, Ethernet, wireless network or above-mentioned any combination.But the present invention is not subjected to the restriction of residence network, and network 102 can comprise the residence or the non-residence network of any kind, includes but not limited to for example the Internet of Local Area Network or wide area network (WAN).
As the back can be described in more detail, network 102 comprised one or more foundations legacy device bridge 124a of the present invention, 124b and 124c.These legacy device bridges promote to be adapted to according to based on for example communication between the traditional consumption person electron device of the parts of tcp/ip communication and this communication of incompatibility of packet communication protocol.Be suitable for that parts according to packet-based communication protocol communication for example comprise PDA(Personal Digital Assistant) 106, graphic boards PC 108 and/or based on the computer system 110 of PC.The incompatibility packet communication also may rely on IR for example or the traditional consumption person electron device of serial communication protocol can comprise televisor 112, VCR and/or DVD player 114, video receiver 116, electromic thermostat 118, lamp 120 and/or digital camera 122.But these examples are not restrictive, and one embodiment of the invention can be used for promoting tradition except that shown in Fig. 1 and the communication between the non-traditional parts.
According to exemplary operations environment 100, provide centralized control to network 102 and the various entities that are connected thereto by Control Server 104.Particularly, Control Server 104 management is linked the communication between the various entities on the network 102 and is provided shared resource to them.For example comprise PDA 106, graphic boards PC 108 and/or allow user and Control Server 104 interfaces and control other and link parts and/or application on the network 102, for example function of televisor 112, VCR and/or DVD player 114, video receiver 116, electromic thermostat 118, lamp 120 and/or digital camera 122 based on the controller of the computer system 110 of PC.
Can be the owning together of " method, system and the computer program that are used for managing controlled residence or non-residence environment ", common U.S. Patent application No.10/180 co-pending at title, controlled server 104 in 500, various controller and the network pearl that provides centralized order and control to parts and application under residence or non-residence environment be specific example more, and this application integral body is included as a reference.As the instruction according to this paper it will be understood by those skilled in the art that, can utilize valuably according to the legacy device bridge of one embodiment of the present of invention and realize disclosed controlled residence and non-residence environment in this application.
But, such as noted, just exemplary operations environment 100 rather than limitation of the present invention are shown for illustrative purpose.Accordingly, various embodiments of the present invention also can be used for the scatternet environment, for example do not have the environment of centralized Control Server 104.For example, one embodiment of the invention can be carried out in the network environment of distributed network control and administration functionality between one or more legacy device bridges therein, thereby form peer-to-peer network.
Fig. 2 is the physical arrangement concept map that comprises according to the exemplary operations environment 200 of the legacy device bridge 208 of one embodiment of the invention.As shown in Figure 2, this exemplary operations environment comprises Centralized Control System 202, first order addressable and can find parts 204 and second level legacy device 206.Communication between the various parts that comprise in the control system 202 coordinated manipulation environment 200 and to their visit.In one embodiment, control system 202 is responsible for invariant state, component locations (for example room distribution), the user preference of the relevant parts of storage and is controlled grand and be used for information with the command code of one or more components communicate.
Addressable and can find that parts 204 comprise the one or more for example parts 204 that communicate to connect of residence network and control system 202 of network that pass through, they are suitable for by other parts distribution network address, discovery and control on the network.According to one embodiment of the invention, addressable and can find that parts 204 adapt to and defer to for example UPnP agreement of packet-based discovery and control protocol.Addressable and can find that parts 204 for example can comprise the compatible PC of one or more UPnP, peripheral hardware, intelligent device and/or radio parts.
In Fig. 2, also illustrate, legacy device bridge 208 comprise addressable and can find parts 204 and legacy device 206 between interface.As can illustrating in greater detail herein, legacy device bridge 208 is by packet-based communication protocol for example TCP/IP and IR or realize this function based on the conversion between the communication protocol of serial.
As also can illustrating herein, in one embodiment, legacy device bridge 208 is also to addressable and can find parts 204 and central controller 202 provides the virtual representation of each legacy device 206, thus legacy device 206 is shown as defer on network packet-based discovery and control protocol for example the UPnP agreement and can and can find parts by the addressable of this control.In an alternate embodiment, central controller 202 realizes that this is to addressable and can find that parts 204 provide the function of the virtual representation of each legacy device 206.
At last, as this paper also can illustrate, in one embodiment, legacy device bridge 208 also was adapted to other entity on the network and surveys, infers information with the state of reporting relevant legacy device 206.In another embodiment, legacy device bridge 208 is also stored the status information about legacy device 206.
C. according to the legacy device bridge of various embodiments of the present invention
Fig. 3 illustrates an example legacy device bridge 302 according to one embodiment of the invention.As shown in Figure 3, legacy device bridge 302 comprises that at least one utilizes for example network interface 304 of the components communicate on TCP/IP and the network of packet-based communication protocol, and at least one legacy device interface 306 that utilizes IR for example or serial communication protocol to communicate by letter with legacy device.In one embodiment, network interface 304 comprises adaptation wireless transceiver according to IEEE 802.11b communication protocol or any other 802.11 agreement (include but not limited to 802.11,802.11a, 802.11b or 802.11g agreement) communication on wireless lan (wlan).According to such embodiment,, legacy device bridge 302 realizes the network connectivity by being positioned on the position of wireless network access point effective range.
In one embodiment, legacy device bridge 302 comprises that a standard the Internet that is adapted to utilization such as DHCP (DHCP) is the IP addressable component that network service is disposed oneself automatically.Correspondingly, other network entity can be communicated by letter with legacy device bridge 302 by means of the IP address of distributing to legacy device bridge 302 by network interface 304.As the back can illustrate in greater detail, legacy device bridge 302 can also utilize parts to find and control protocol, includes but not limited to the UPnP agreement, and other entity on network is informed its existence and the legacy device issue an order collection of controlling to its.
A kind of utilization according to the legacy device bridge of one embodiment of the invention of the flow chart description of Fig. 4 controlled for example method of conventional consumer electronics of legacy device.But the present invention is not subjected to the restriction of the explanation of process flow diagram 400.On the contrary, be clearly to those skilled in the art from other functional sequence within scope and spirit of the present invention of instruction provided herein.With the example legacy device bridge 302 explanation flow processs 400 that continue with reference to Fig. 3, although the present invention is not subjected to the restriction of Fig. 3 embodiment.
Flow and method 400 starts from step 402, is suitable for sending to legacy device bridge 302 according to the network components of packet-based communication protocol communication the order of control legacy device in this step.These orders come from any place in this network, and it can comprise physically the position away from legacy device bridge 302.In step 404, legacy device bridge 302 receives order by network interface 304.In step 406, legacy device bridge 302 becomes to be suitable for the agreement that received by legacy device, for example IR agreement or serial protocol to the orders that receive from packet-based communication Protocol Conversion.Can carry out this translation function by software, hardware or the combination of the two.In step 408, legacy device bridge 302 sends to the order after changing on the legacy device of expectation by legacy device interface 306.
Fig. 5 A, 5B and 5C illustrate other legacy device bridge example according to various embodiment of the present invention.For example, Fig. 5 A describes a kind of legacy device bridge 502, it comprise one be used for IP network on IP network interface 504 and an IR interface 506 that utilizes IR communication protocol to communicate by letter of components communicate with legacy device.Legacy device bridge 502 becomes a string IR pulse that then will send to legacy device by IR interface 506 to the IP-based command conversion that receives through IP network interface 504.In one embodiment, legacy device bridge 502 comprises a plurality of IR interfaces 506 of communicating by letter with a plurality of legacy devices of being used for.
In one embodiment, IR interface 506 comprises that one adapts to the legacy device with IR ability and carries out the IR transmitter that uni-directional wireless is communicated by letter.In an alternate embodiment, IR interface 506 comprise IR transmitter/receiver that a legacy device that adapts to and have the IR ability carries out two-way wireless communication to or the IR transceiver.According to these embodiment, by make legacy device bridge 502 be positioned at along accessible sight line path towards and on the position of the predefine transmission range of legacy device, realize communicating by letter with the wireless IR of legacy device.
In an alternate embodiment, IR interface 506 comprises the interface of an adaptation by for example IR safety lock (dongle) and legacy device wire communication.According to this alternate embodiment, in order to be positioned on any ad-hoc location with legacy device efficient communication legacy device bridge 502.
Fig. 5 B describes a kind of legacy device bridge 508, it comprise one be used for IP network on the IP network interface 510 of components communicate, and serial line interface 512 that utilizes serial communication protocol to communicate by letter with legacy device.Legacy device bridge 508 becomes serial data stream to the IP-based command conversion that receives through IP network interface 510, by serial line interface 512 this data stream is sent to legacy device then.In one embodiment, legacy device bridge 508 comprises that a plurality of serial line interfaces 512 are to communicate by letter with a plurality of legacy devices.
In one embodiment, serial line interface 512 comprises that a USB (universal serial bus) (USB) interface is used for according to usb protocol communication.In an alternate embodiment, serial line interface 512 comprises a RS-232 interface that is used for according to the RS-232 protocol communication.But, thereby these examples are not restrictively can adopt other serial communication protocol.
Fig. 5 C describes a kind of legacy device bridge 514, it comprise one be used for IP network on the IP network interface 516 of components communicate, an IR interface 518 that utilizes IR communication protocol to communicate by letter, and a serial line interface 520 that utilizes serial communication protocol to communicate by letter with legacy device with legacy device.Legacy device bridge 514 becomes the IR train of impulses that then sends to certain legacy device by IR interface 518 to the IP-based command conversion that receives through IP network interface 516.Legacy device bridge 514 also becomes the serial data stream that then sends to certain legacy device by serial line interface 520 to the IP-based command conversion that receives through IP network interface 516.In one embodiment, legacy device bridge 514 comprises a plurality of IR interface 518 of communicating by letter with a plurality of legacy devices and/or a plurality of serial line interfaces 520 of communicating by letter with a plurality of legacy devices of being used for of being used for.
1. the remote storage of legacy device control code and transmission
According to one embodiment of the invention, network components generates an order from one group of shared high-level command, and for example " energising " and " outage " is connected to legacy device on this network so that control through legacy device bridge.Then these high-level commands are mapped to rudimentary IR or the Serial Control sign indicating number unique to each legacy device.In one embodiment, be used for the IR of each legacy device or the legacy device bridge that the Serial Control sign indicating number is stored in these parts of control, and this legacy device bridge is finished the necessary function that high-level command is mapped to low-level command.
Alternatively, rudimentary IR or Serial Control sign indicating number are stored in the parts outside the legacy device bridge.For example, realize the required storage resources of legacy device bridge for minimum, can be stored in more powerful network components to rudimentary IR or Serial Control sign indicating number and for example be arranged in server on this network in order to make.With opposite in the network components that the copy of rudimentary control code is stored in each controller that can serve as legacy device, this on single position the mechanism of stores low level control code have the attendant advantages of easy these yards of renewal.
Fig. 6 illustrates the network system 600 that the remote storage of legacy device sign indicating number is provided according to this embodiment of the present invention.This network system 600 comprises controller 604, and it for example can comprise hand held controller or PC, and this system also comprises Control Server 606 and legacy device bridge 608, is connected with IP network 602 separately in their communication.Legacy device bridge 608 is also communicated by letter with 610c with legacy device 610a, 610b.Required rudimentary IR or the Serial Control sign indicating number 612 of control legacy device 610a-610c is stored in the Control Server 606.Control Server 606 can also be stored and be used for control and be connected to required other rudimentary IR or the Serial Control sign indicating number of legacy device on the IP network 602 by other legacy device bridge (Fig. 6 is not shown).
Can utilize various technology to provide these rudimentary IR or Serial Control sign indicating number to Control Server 606.In one embodiment, the user artificially is input to control code in legacy device bridge 608 or certain other network entity, then they is uploaded to Control Server 606.In an alternate embodiment, legacy device bridge 608 is configured to by automated procedure, and for example the two-way IR inquiry between legacy device bridge 608 and the legacy device obtains control code from legacy device, and then control code uploaded to Control Server 606.
The process flow diagram 700 of Fig. 7 is described a kind of method of utilizing according to the legacy device bridge control legacy device of an embodiment who invents, wherein remote storage legacy device sign indicating number.But the present invention is not subjected to the restriction of the explanation of flow process 700.On the contrary, be clearly to those skilled in the art from other functional sequence within scope and spirit of the present invention of instruction provided herein.Continuation is with reference to the network system 600 explanation flow processs 700 of Fig. 6, although the present invention is not subjected to the restriction of Fig. 6 embodiment.
Flow and method 700 produces the step 702 of the high-level command that is used for controlling one of legacy device 610a-610c from portable controller 604 wherein.For this routine purpose, suppose that portable controller produces the high-level command that is used for controlling legacy device 610a.Can be from by selecting this high-level command the predefined high-level command table 604 storages of portable controller or that this portable controller is obtained by certain other entity on Control Server 606, legacy device bridge 608 or the network 602.
In step 704, portable controller 604 sends this high-level command to Control Server 606 on IP network 602.In step 706, Control Server 606 receive these high-level commands and it be mapped to be used for controlling legacy device 610a, be stored in rudimentary serial in the Control Server 606 or the corresponding control code among the IR control code.In step 708, Control Server 606 sends to appropriate legacy device bridge 608 to the rudimentary serial of this correspondence or IR control code.In step 710, legacy device bridge 608 converts this to be used to be sent to legacy device 610a appropriate format by the rudimentary control code that the IP form sends to it, for example IR train of impulses or serial data stream.In step 712, legacy device bridge sends to appropriate legacy device 610a to this rudimentary control code.
2. the location lookup in the indoor environment
According to one embodiment of the invention, can be configured to serve as the IR beacon that is used to provide position consciousness information to legacy device bridge.For example, can be configured to serve as the IR beacon that is used for discerning the position of hand held controller in the environment of controlled residence to legacy device bridge.Certain network entity then, thus for example central controller can utilize this position consciousness information to reconfigure this hand held controller order and to control some selected parts in certain neighborhood of this hand held controller.
Can be the owning together of " method, system and the computer program that are used for managing controlled residence or non-residence environment ", common U.S. Patent application No.10/180 co-pending at title, obtain utilizing the more complete explanation of position consciousness information management controlled environment in 500, this application integral body is included as a reference.As the instruction according to this paper it will be understood by those skilled in the art that, can utilize valuably according to the legacy device bridge of one embodiment of the present of invention and realize disclosed controlled residence and non-residence environment in this application.
In one embodiment, legacy device bridge is equipped with IrDA (Infrared Data Association) beacon that is used to provide position consciousness information.In the short distance of IR pulse, the IrDA beacon is the effective ways that the coarseness location lookup is provided under the indoor environment.According to such embodiment of the present invention, legacy device bridge is programmed for one group of infrared pulse to each this bridge of hand held controller unique identification of communicate by letter last and certain network-coupled of emission.Can be mapped to or be associated with room location to these sign indicating numbers by central server then, perhaps alternatively, can in hand held controller, memory map assignments carry out this function with this network-coupled.
In one embodiment, the pulse of IR beacon is the same with beacon frequency is that when operation is configurable.For example, legacy device bridge can send and defer to for example identifier of IrDA (ID) of standard IR data transfer protocol.In one embodiment, the ID of legacy device bridge transmission and its overall unique MAC (medium access code) address correspondence.
Fig. 8 describes a kind of legacy device bridge 800 that is used to provide the IR beacon of position consciousness information that comprises according to one embodiment of the invention.As shown in Figure 8, legacy device bridge 800 comprises that is used to provide the wave point 802 to the wireless connectivity of IP network, 802.11b transceiver for example, one or more being used for enables the IR interface 804 that legacy device is communicated by letter with IR, one or more being used for enables the serial line interface 806 that legacy device is communicated by letter with serial, and an IrDA beacon 808.According to this embodiment, legacy device bridge 800 must be positioned in IrDA beacon 808 and have direct transmission path between the mobile controller of process near it, thereby guarantees that these mobile controllers can receive the signal that IrDA beacon 808 sends.
The flow process 900 of Fig. 9 is described a kind of method that position consciousness information is provided according to the legacy device bridge of one embodiment of the invention of utilizing.But the present invention is not subjected to the restriction of the explanation that flow process 900 provides.On the contrary, be clearly to those skilled in the art from other functional sequence within scope and spirit of the present invention of instruction provided herein.
Flow and method 900 is from the step 902 of legacy device bridge to mobile controller transmission IR signal, and wherein this IR signal comprises unique ID that this legacy device bridge is distributed.As discussed earlier, can pass through this IR signal of IrDA beacon emissions of the part of formation legacy device bridge.In step 904, this mobile controller receives this IR signal and therefrom extracts unique ID of this legacy device bridge.In step 906, this mobile controller sends this unique ID to central server on IP network.In step 908, this central server is mapped to a given position in this controlled environment to this unique ID.In one embodiment, realize this mapping function by visiting table this central server stores, that legacy device bridge is mapped to the position in this controlled environment.In step 910, this central server sends configuration information according to the position of identification in the step 908 to this mobile controller.Utilize this configuration information to reconfigure this mobile controller, so that order and control are positioned at the selected parts of certain neighborhood of other position of step 908 acceptance of the bid.
In an alternate embodiment of flow and method 900, this mobile controller is finished the function that this unique ID is mapped to the given position in the controlled environment.According to the embodiment that should substitute, this mobile controller sends the position of discerning to this central server, and this central server sends configuration information according to the position of this identification to this mobile controller then.
3. the state of stateless parts binding
According to the legacy device bridge of one embodiment of the invention be configured to prevent this legacy device bridge and more than one such as the communication between the Control Server of Control Server 104.For example this can take place when a plurality of Control Servers are shared a wireless network (for example they share identical SSID (service set identifier) in WLAN) wittingly or by mistake.This stack may be given undesirable external control the network control environmental exposure, is for example controlled by neighbours.
In one embodiment, legacy device bridge is avoided this problem by the network address that storage is connected to first Control Server of this bridge of contact behind the network.Then, the input grouping that receives from any other address after giving up.In an alternate embodiment, the address that band other places (out-of-band) disposes this Control Server.For example, can utilize IR or serial communication that the address of this Control Server is provided to legacy device bridge by corresponding IR or serial line interface.Behind such configuration address, give up the input grouping that receives from any other address.
4. further feature
In one embodiment of this invention, legacy device bridge is suitable for serving as a room controller.According to such embodiment, this legacy device bridge is suitable for:
Although need the end user to intervene in order to dispose legacy device bridge in some cases, this bridge adapts to own configuration automatically in most of families networked environment.
For facility is used, legacy device bridge adapts to the outer configuration of IrDA band.For example, can be programmed for legacy device bridge and utilize the industrial standard Data Transport Protocol to accept network configuration parameters from the IR port.
Legacy device bridge is suitable for learning new legacy device sign indicating number, for example IR or Serial Control sign indicating number.For example, although there is considerable IR sign indicating number in the commercial data base, it is difficult that large-scale spendable consumer electronics makes definitely compatible.Thereby,, be adapted to be in the state that can receive and store new IR or Serial Control sign indicating number according to the legacy device bridge of one embodiment of the invention for the cooperation each other of the person's electron device that guarantees the traditional consumption.In one embodiment, can pass through other parts, for example the IR telepilot sends IR or Serial Control sign indicating number.Legacy device bridge can storage inside study sign indicating number or these sign indicating numbers are uploaded to the webserver so that storage.
For design considerations legacy device bridge of the present invention, cost is a principal element.Therefore, in one embodiment, utilize software to finish the function of typically distributing to hardware, thereby reduce total number of spare parts.For example in one embodiment, the IrDA signal that is used for the consumption IR signal of communicating by letter and being used to and provides position consciousness information with legacy device be multiplexed into single IR transmitter/receiver to.
D. virtual according to the legacy device of embodiments of the invention, inform and control method
A kind of legacy device bridge according to one embodiment of the invention comprises a virtual device, it can make legacy device, for example conventional consumer electronics is as this legacy device and packet-based discovery and control protocol such as UPnP is compatible is apprised of and controls by the networking element.As skilled in the art to understand, UPnP is a kind of open industry-standard that uses the Internet and world wide web protocols, and it can make to link on the network and become automatically such as the parts of PC, peripheral hardware, intelligent device and radio parts knows each other.According to UPnP, when the user is inserted into parts in the network, this component configuration oneself, obtains the TCP/IP address and utilize the existence of announcing oneself based on discovery agreement other parts on this network of HTTP(Hypertext Transport Protocol).Then the compatible network entity of other UPnP can be with this parts negotiation communication agreement, determine its ability and control it.
According to one embodiment of the invention, legacy device bridge serves as the UPnP agency of legacy equipment.This bridge informs it oneself is UPnP parts to other network entity, with the similar attribute of showing and it is disguised oneself as of legacy device.When UPnP order when network arrives, this legacy device bridge converts them to be used for controlling this legacy device appropriate command collection, for example IR orders or serial order.Note, although present embodiment is with respect to the virtual description of UPnP, but it is virtual to the invention is not restricted to UPnP, but also comprising according to the legacy device of other packet-based discovery and control protocol virtually, these agreements include but not limited to the Jini of the Sun Microsystems exploitation of California Santa Clara
TMAnd the Apple Computer of California Cupertino is as a kind of Rendezvous of open protocol exploitation
TMAgreement.
Figure 10 illustrates the virtual device 1002 of a kind of legacy device according to one embodiment of the invention.As shown in Figure 10, virtual device 1002 comprises that at least one utilizes for example network interface 1004 of the components communicate on UPnP and the network of packet-based discovery and control protocol, and at least one legacy device interface 1006 that for example utilizes IR or serial communication protocol to communicate by letter with legacy device.In one embodiment, network interface 1004 comprises the 802.11b wireless transceiver that an adaptation is communicated by letter with IP network.According to such embodiment, realize the network connectivity by the position that virtual device 1002 is positioned within the effective range of wireless network access point.
The flow process 1100 of Figure 11 describe a kind of legacy device according to one embodiment of the invention virtual, inform and control method.But the present invention is not subjected to the restriction of the explanation of flow process 1100.On the contrary, be clearly to those skilled in the art from other functional sequence within scope and spirit of the present invention of instruction provided herein.Continuation is with reference to the virtual device 1002 explanation flow processs 1100 of the example of Figure 10, although the present invention is not subjected to the restriction of Figure 10 embodiment.
Flow and method 1100 detects for example step 1102 of consumer electronics of certain legacy device that it will control from this virtual device 1002 wherein.By detecting these legacy devices, virtual device 1002 is set up a legacy device tabulation under its control.In one embodiment, virtual device 1002 is known each legacy device by the user to the artificial programming of virtual device 1002.In an alternate embodiment, virtual device 1002 is by automated procedure, and the two-way IR between for example virtual device 1002 and the legacy device inquires about and detects legacy device.
In step 1104, virtual device 1002 obtains and stores the control code that is used for this legacy device.In one embodiment, by the user the artificial programming of virtual device 1002 is obtained these control codes.In an alternate embodiment, virtual device 1002 is by automated procedure, and the two-way IR between for example virtual device 1002 and the legacy device inquires about and obtains these control codes.
In step 1106, virtual device 1002 is informed this legacy device by UPnP parts that have similar attribute of the legacy device of disguising oneself as with it and control to this network.In one embodiment, this step comprises the standard UPnP command list of announcing this legacy device of control, and wherein the UPnP of these announcements order is corresponding to the one or more rudimentary legacy device sign indicating number that obtains in step 1104.As the consequence of this step, but each entity on this network is interpreted as an IP addressing and controlled consumer electronics to virtual device 1002.
In step 1108, certain network entity sends standard UPnP order, and for example " energising " or " outage " controlling this legacy device, and orders by virtual device 1002 this UPnP of reception.In step 1110, virtual device 1002 becomes to be used for the corresponding control code of this legacy device to this UPnP command conversion, and in step 1112, virtual device 1002 sends to this legacy device to this corresponding control code.By by this way the UPnP command conversion being become the legacy device control code, virtual device 1002 serves as the Transparent Proxy between network entity and the legacy device.
In an alternate embodiment of the present invention, by certain network entity outside the legacy device bridge, it is virtual for example to finish legacy device by top Control Server 102 with reference to Fig. 1 explanation.According to this embodiment, Control Server 102 is finished following function: obtain and store the control code that is used for legacy device, inform this legacy device to network by UPnP parts, and the corresponding control code that the UPnP command conversion that receives from network entity is become to be used for this legacy device.This Control Server then sends to certain legacy device bridge to these control codes so that they are become suitable legacy device form, for example IR or serial form from the IP format conversion.Like this, according to this embodiment, Control Server 102 is finished virtualization and legacy device bridge is used as simple IP to an IR/ serial convertor-transmitter.Still depend primarily on cost with the decision-making that legacy device bridge is finished virtualization with Control Server 102.An advantage that centralized server is used as virtual machine is that legacy device bridge can be done more cheaply, because they can require less processing and storage resources.
E. according to the method for the state in the report legacy device of various embodiments of the present invention
Unit status in the convenient report of one embodiment of the invention traditional consumption person electron device.Conventional components find and control protocol for example UPnP typically allow consistent unit to issue interested network entity can be used for method to they query State information.For example, UPnP family's chamber controller may wish to inquire about UPnP TV whether it connects at present so that watch.But the most conventional consumer electronics does not provide this status report mechanism.
Therefore, a kind of legacy device bridge according to one embodiment of the invention utilize detector from its environment information extraction so that infer unit status.For example, Figure 12 describes a kind of legacy device bridge 1202 that is suitable for extracting and reporting the legacy device state according to one embodiment of the invention.As shown in Figure 12, legacy device bridge 1202 comprises a light-sensitive detector 1204 of aiming at the screen of conventional television 1208.Light-sensitive detector 1202 comprises one and is used to judge that conventional television 1206 is connected or the simple on/off meter of disconnection.Then legacy device bridge 1202 can be reported this status information by network interface 1206 other parts on packet network.In one embodiment, legacy device bridge 1202 comprises a virtual device, and its packet-based discovery of foundation and control protocol be UPnP other parts publication status information on packet network for example.
Such as will be understood by those skilled, can use other state detector outside the light-sensitive detector to extract the information relevant according to various embodiments of the present invention with the state of legacy device.The type of state detector can change with respect to the unit status that legacy device bridge sounds out.
F. based on the realization of processor
The function of legacy device bridge described herein, virtual device, Control Server or other network entity can be carried out by the software realization and by one or more computer systems based on processor.Figure 13 describes a kind of example computer system 1300, and it can be carried out and be used for realizing feature of the present invention, above including but not limited to respectively with reference to the method flow steps 400,700,900 or 1100 part or all of software of Fig. 4,7,9 and 11 explanations.
As shown in figure 13, example computer system 1300 comprises a processor 1302 that is used to carry out according to each software routines of various embodiments of the present invention.Although single processor only is shown for the sake of simplicity, computer system 1300 also can comprise multicomputer system.Processor 1302 is connected to the communications infrastructure 1304 to communicate by letter with other ingredient of computer system 130.The communications infrastructure 1304 for example can comprise communication bus, crossbar switch or network.
In each alternate embodiment, supplementary storage 1308 can comprise that other similarly allows computer program or other instruction are installed to device in the computer system 1300.This device can comprise for example removable memory module 1318 and interface 1316.The example of removable memory module 1318 and interface 1316 comprises program tape and tape interface (for example using in the video game console), removable memory chip (for example EPROM or PROM) and related socket, and other allows software and data are sent to removable memory module 1318 and interface 1316 on the computer system 1300 from removable memory module 1318.
As used herein, term " computer program " can partly be represented removable memory module 1314, removable memory module 1318, is installed in the hard disk in the Winchester disk drive 1310 or goes up the carrier wave that transmits softwares to communication interface 1324 at communication path 1326 (wireless link or cable).Computer-usable medium can comprise magnetic media, optical medium, other recordable media or send the medium of carrier wave or other signal.These computer programs are devices that software is provided to computer system 1300.
Storage computation machine program (being also referred to as computer control logic) in primary memory 1306 and/or supplementary storage 1308.Can also be through communication interface 1324 receiving computer programs.These computer programs can make computer system 1300 realize feature of the present invention discussed in this article when carrying out.Particularly, these computer programs make processor 1302 realize feature of the present invention when carrying out.Thus, such computer program is represented the controller of computer system 1300.
Can use the steering logic in software, firmware, hardware or their any combination to realize each feature of the present invention.In an embodiment who utilizes software realization each feature of the present invention, this software can be stored in the computer program and utilize removable memory machine 1312, Winchester disk drive 1310 or communication interface 1324 to put it in the computer system 1300.Alternatively, can download to this computer program on the computer system 1300 on the communication path 1326.This software makes processor 1302 realize the illustrated feature of the present invention of this paper when carrying out by processor 1302.
In another embodiment, for example utilize such as the hardware component of application specific integrated circuit (ASIC) and realize each feature of the present invention with firmware and/or hardware.Instruction according to this paper those skilled in the art know that the realization hardware state machine is to finish the various functions of this paper explanation.
G. alternate embodiment of the present invention
It should be noted that legacy device bridge that this paper is illustrated and virtual device needn't be subject to a 802.11b standard and be used as wireless communication media.Although because its cost of products is low and speed quite can be used 802.11b, the wireless protocols that can utilize any IP of allowing includes but not limited to 802.11a or 802.11g as an alternative.In addition, legacy device bridge and virtual device are not limited to use the wireless protocols that is used for based on the IP networking.Although owing to making things convenient for and needn't wiring can using radio parts, Wireline communication includes but not limited to Ethernet, household telephone wires or household electrical source line networking, can serve as alternative.
Should also be understood that legacy device bridge and virtual device that this paper is illustrated are not limited to utilize UPnP as finding and control protocol.Although because the acceptance that it is found as a kind of parts and the industrial standard of control is increased day by day and can adopt UPnP, but it is alternative that packet-based discovery of any routine and control protocol can be served as, and includes but not limited to the Jini of Sun Microsystems's exploitation of California Santa Clara
TMA kind of open protocol Rendezvous that the Apple Computer of agreement or California Cupertino partly develops
TM
In addition, the virtual device of this paper explanation is not limited to serve as the agency of single legacy equipment.On the contrary, this virtual device can be informed oneself by any amount of parts.In addition, in one embodiment, virtual device can also be inquired about legacy device obtaining IR/ serial order collection, will be at storage IR/ serial order collection on this device or on the discrete webserver thereby avoid.
H. conclusion
Although various embodiment of the present invention has been described above, should understand that they just provide as an example from rather than restriction.Those skilled in the art understand not deviating under the defined the spirit and scope of the present invention of attached claims can make various changes in form and details.Thus, range of the present invention and scope should not be subjected to the restriction of any example embodiment described above, but only should be according to following claim and the definition of their equivalent.
Claims (35)
1. control the method for consumer electronics by the network that transmits information according to packet-based communication protocol for one kind, wherein this consumer electronics is unsuitable for according to this packet-based communication protocol communication, and this method comprises:
From communicating by letter upward and the parts of this network-coupled reception order, wherein said order is according to this packet-based communications protocol formatization;
Described command conversion become to be suitable for the form of communicating by letter with this consumer electronics; And
Order after this consumer electronics sends described conversion.
2. method as claimed in claim 1, wherein, described parts from communicate by letter last and this network-coupled receive order and comprise the order of reception according to the Internet protocol formatization.
3. method as claimed in claim 1, wherein, described described command conversion is become to be suitable for to comprise with the form of this consumer electronics communication described command conversion is become form according to infrared communication protocol.
4. method as claimed in claim 1, wherein, described described command conversion is become to be suitable for to comprise with the form of this consumer electronics communication described command conversion is become form according to serial communication protocol.
5. method as claimed in claim 1, wherein, described order comprises being used to control communicates by letter upward and the class order of the parts of this network-coupled, and wherein, the described form that described command conversion is become to be suitable for communicating by letter with this consumer electronics comprises:
Become described class command conversion at least one to be used for controlling the specific command of this consumer electronics.
6. method as claimed in claim 1 also comprises:
Portable controller part last to communication from infrared beacon and this network-coupled sends infrared signal, and described infrared signal is used for providing position consciousness information to described portable controller part.
7. method as claimed in claim 1 also comprises:
Obtain and be used for the network address of communicating by letter with this consumer electronics; And
To in one or more communications and the parts of this network-coupled the described network address is provided.
8. method as claimed in claim 7 also comprises:
In described one or more communications and the parts of this network-coupled command set is provided, wherein, described command set comprises a plurality of orders that are used to control this consumer electronics.
9. method as claimed in claim 8 wherein, describedly provides command set to comprise a plurality of orders of deferring to general plug-and-play protocol are provided.
10. method as claimed in claim 1 also comprises:
Survey this consumer electronics to determine the state of this consumer electronics; And
Certain parts last to communication and this network-coupled are reported the described state of this consumer electronics.
11. as the method for claim 10, wherein, described detection comprises and utilizes light-sensitive detector to determine that this consumer electronics is to connect or disconnect.
12. a legacy device bridge that is used for controlling by the network that transmits information according to packet-based communication protocol consumer electronics, wherein, this consumer electronics is unsuitable for according to this packet-based communication protocol communication, and this legacy device bridge comprises:
Network interface, it is applicable to that wherein, described order is formatted according to this packet-based communication protocol from communicating by letter upward and the parts of this network-coupled reception order;
Conversion equipment, it is used for described command conversion is become to be suitable for the form of communicating by letter with this consumer electronics; And
The legacy device interface, it is used for the order after the described conversion is sent to this consumer electronics.
13. as the legacy device bridge of claim 12, wherein, described network interface is suitable for receiving according to the formative order of internet protocol justice.
14. as the legacy device bridge of claim 12, wherein, described network interface comprises radio network interface.
15. as the legacy device bridge of claim 14, wherein, described radio network interface comprises the interface that is suitable for according to 802.11 protocol communications.
16. as the legacy device bridge of claim 12, wherein, described conversion equipment comprises and being used for the device of described command conversion one-tenth according to the form of infrared communication protocol.
17. as the legacy device bridge of claim 16, wherein, described legacy device interface comprises the Radio infrared interface.
18. as the legacy device bridge of claim 16, wherein, described legacy device interface comprises wired infrared safety lock.
19. as the legacy device bridge of claim 12, wherein, described conversion equipment comprises and being used for the device of described command conversion one-tenth according to the form of serial communication protocol.
20. as the legacy device bridge of claim 19, wherein, described legacy device interface comprises in USB (universal serial bus) or the RS-232 interface.
21. legacy device bridge as claim 12, wherein, described order comprises being used for controlling communicates by letter upward and the class order of the parts of this network-coupled, and wherein, described conversion equipment comprises and is used for becoming described class command conversion at least one to be used for controlling the device of the specific command of this consumer electronics.
22. the legacy device bridge as claim 12 also comprises:
Infrared beacon, described infrared beacon are suitable for going up to communicating by letter and the portable controller part of this network-coupled sends infrared signal, and described infrared signal is used for providing position consciousness information to described portable controller part.
23. the legacy device bridge as claim 12 also comprises;
Virtualization apparatus, described virtualization apparatus comprise obtain be used for the network address of communicating by letter with this consumer electronics and in one or more communications and the parts of this network-coupled the device of the described network address is provided.
24. legacy device bridge as claim 23, wherein, described virtualization apparatus also comprises in described one or more communications and the parts of this network-coupled provide the device of command set, and wherein, described command set comprises the command list (CLIST) that is used for controlling this consumer electronics.
25., wherein, describedly be used to provide the device of command set to comprise the device that the command set of deferring to general plug-and-play protocol is provided as the legacy device bridge of claim 24.
26. the legacy device bridge as claim 12 also comprises:
The detector that is used for the state of definite this consumer electronics; And
Be used for the described status report of this consumer electronics to communicating by letter upward and the annunciator of parts of this network-coupled.
27. as the legacy device bridge of claim 26, wherein, described detector comprises that being used for definite this consumer electronics is the light-sensitive detector of connecting or disconnecting.
28. a network system comprises:
Transmit the network of information according to packet-based communication protocol;
Be unsuitable for the consumer electronics that communicates according to described packet-based communication protocol;
With the controller part of described network-coupled, described controller part is suitable for producing the order that is used for controlling described consumer electronics, and wherein, described order is formatted according to described packet-based communication protocol; And
Legacy device bridge with described network-coupled, described legacy device bridge is suitable for receiving described order through described network, described command conversion is become to be suitable for the form of communicating by letter with described consumer electronics, and the order after the described conversion is sent to described consumer electronics.
29. as the network system of claim 28, wherein, described order comprises being used for controlling communicates by letter upward and the class order of the parts of this network-coupled, described network system also comprises:
Server with described network-coupled, wherein, described server is suitable for receiving described class order from described controller part, the specific command that becomes described class command conversion at least one to be used for controlling described consumer electronics, and described at least one specific command sent to described legacy device bridge.
30. network system as claim 29, wherein, described legacy device bridge is suitable for storing the network address related with described server, and is suitable for ignoring the order that receives from the parts different with the described network address described network-coupled, its network address and described server.
31. network system as claim 28, wherein, described legacy device bridge also is suitable for sending to described controller part the infrared signal of the unique identifier that comprises described legacy device bridge, and wherein, described controller part also is suitable for visiting the position consciousness information related with described unique identifier.
32. the network system as claim 28 also comprises:
The server that is connected with described network;
Wherein, described legacy device bridge also is suitable for sending to described controller part the infrared signal of the unique identifier that comprises described legacy device bridge, wherein, described controller part also is suitable for sending described unique identifier to described server, and wherein, described server is suitable for visiting the position consciousness information related with described unique identifier.
33. the network system as claim 28 also comprises:
With the server of described network-coupled, wherein, described server is suitable for obtaining and is used for the network address of communicating by letter with described consumer electronics, and is suitable for the described network address is offered in one or more communications parts with this network-coupled.
34. the network system as claim 28 also comprises:
With the server of described network-coupled, wherein, described server is suitable for providing command set to described controller part, and described command set comprises the command list (CLIST) that is used to control this consumer electronics.
35. as the network system of claim 34, wherein, described server is suitable for providing the command set of deferring to general plug-and-play protocol to described controller part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43829603P | 2003-01-07 | 2003-01-07 | |
| US60/438,296 | 2003-01-07 | ||
| US10/387,590 | 2003-03-14 |
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| CN101218574A true CN101218574A (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA200380108424XA Pending CN101218574A (en) | 2003-01-07 | 2003-12-09 | Legacy device bridge for residential or non-residential networks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188298A (en) * | 2011-12-29 | 2013-07-03 | 青岛海尔软件有限公司 | Method for virtualization of traditional device |
| CN103430492A (en) * | 2011-01-15 | 2013-12-04 | 晶像股份有限公司 | Proxy device operation in command and control network |
| TWI474180B (en) * | 2008-12-10 | 2015-02-21 | Ind Tech Res Inst | System and method for detecting remote serial port apparatus |
-
2003
- 2003-12-09 CN CNA200380108424XA patent/CN101218574A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI474180B (en) * | 2008-12-10 | 2015-02-21 | Ind Tech Res Inst | System and method for detecting remote serial port apparatus |
| CN103430492A (en) * | 2011-01-15 | 2013-12-04 | 晶像股份有限公司 | Proxy device operation in command and control network |
| US9451331B2 (en) | 2011-01-15 | 2016-09-20 | Lattice Semiconductor Corporation | Proxy device operation in command and control network |
| CN103188298A (en) * | 2011-12-29 | 2013-07-03 | 青岛海尔软件有限公司 | Method for virtualization of traditional device |
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