CN101426132B - Embedded system and remote control service apparatus - Google Patents

Embedded system and remote control service apparatus Download PDF

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CN101426132B
CN101426132B CN2007101850037A CN200710185003A CN101426132B CN 101426132 B CN101426132 B CN 101426132B CN 2007101850037 A CN2007101850037 A CN 2007101850037A CN 200710185003 A CN200710185003 A CN 200710185003A CN 101426132 B CN101426132 B CN 101426132B
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embedded system
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CN101426132A (en
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刘俊
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IValley Holding Co., Ltd.
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Inventec Corp
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Abstract

The invention discloses a far-end control service device of an embedded system, including a compressing unit and a network interface unit. The compressing unit is coupled to the image output interface of the embedded system for receiving and compressing the output image of the embedded system to generate a compressed image. The network interface unit is coupled to between the compressing unit andthe far-end device, for transmitting the compressed image output by the compressing unit to the far-end device through the network. The input event of the far-end device is also transmitted to the input device interface of the embedded system through the network and the network interface unit, so that the far-end device can operate the embedded system through the far-end control service device.

Description

Embedded system and remote control service apparatus thereof
Technical field
The invention relates to a kind of embedded system and remote control service apparatus thereof, but and embedded system and the remote control service apparatus thereof particularly controlled relevant for far-end.
Background technology
Embedded system has been one of hyundai electronics/information industry important technology.For example, Microsoft (Microsoft) home server (Home Server) newly developed promptly belongs to an example.Figure 1A is the calcspar of a kind of traditional embedded system of explanation.Embedded system 100 comprise CPU (central processing unit, CPU) 101, chipset (comprising north bridge chips 102, South Bridge chip 103), network interface card 104, display card 105 and input controller 106.Embedded system can provide various services by network interface card 104, for example file service etc.Therefore, far-end individual computer 120 just can be obtained the Service Source that embedded system 100 is provided by network 110 and network interface card 104.If will watch/manage embedded system 100, the user can use the display 130 and input unit (keyboard 140, mouse 150) of local side.Display card 105 produces and outputs image to display 130 according to the control of north bridge chips 102.Input controller 106 is coupled to South Bridge chip 103, and in order to the reception input unit signal that input unit sent, and the corresponding input of output is interrupted to South Bridge chip 103.Therefore, CPU 101 just can interrupt carrying out corresponding operation according to aforesaid input.Yet this control device must be carried out at the local side at embedded system 100 places.
Figure 1B is the calcspar of the another kind of traditional embedded system of explanation.Do not have in embedded system 100 under the situation of input/output units such as keyboard, mouse, display, all are undertaken by network with extraneous getting in touch all.If will watch/manage embedded system 100, the user can use far end device (display 130, keyboard 140, mouse 150 and PC 160).The traditional control device of this kind realizes by web-page interface.Embedded system 100 is after finishing start, and its operating system meeting executive system routine/application program provides has the web page browsing service of watching/manage embedded system 100 functions.Therefore, far end device (display 130, keyboard 140, mouse 150 and PC 160) just can use watching/management service that embedded system 100 provided by network 110.But, when embedded system 100 when watching of can not providing/management service can't normally be provided, far end device just can't be controlled it.
Summary of the invention
The invention provides a kind of remote control service apparatus, can send the display frame of embedded system to far end device by network, and can allow the incoming event of far end device also be sent to the input unit interface of embedded system by network.Therefore, even embedded system is not finished the preparation that service is provided as yet, even still the start selftest (Power On Self Test, the POST) stage, remote control service apparatus all can assist far end device control at far-end/operate/supervise embedded system.
The invention provides a kind of embedded system.Even do not finish the preparation that service is provided as yet, even still in the POST stage, this embedded system all can be accepted far end device and operation such as control, operates, supervises at far-end.
For addressing the above problem, the present invention proposes a kind of remote control service apparatus, comprises compression unit and network interface unit.Compression unit is coupled to the image output interface of embedded system.Compression unit receives and the output image of compression embedded system and produce compressed image.Network interface unit is coupled between compression unit and the far end device, sends far end device in order to the compressed image that compression unit is exported to by network.Wherein, the incoming event of far end device also is sent to the input unit interface of embedded system by this network and network interface unit, make far end device operate embedded system by remote control service apparatus.
The present invention proposes a kind of embedded system, comprises chipset, first network interface unit, display chip, input unit interface and remote control service apparatus.First network interface unit is coupled to chipset, and wherein embedded system provides service by first network interface unit.Display chip is coupled to chipset, in order to the control generation output image of foundation chipset.The input unit interface is coupled to chipset, interrupts to chipset in order to the input that receives input unit signal and output correspondence.Remote control service apparatus comprises the compression unit and second network interface unit.Compression unit is coupled to display chip, to receive and compression output image and produce compressed image.Second network interface unit is coupled between compression unit and the far end device.The compressed image that second network interface unit is exported compression unit sends far end device to by network.Wherein, the incoming event of far end device also is sent to the input unit interface by this network and second network interface unit, makes far end device operate embedded system by remote control service apparatus.
The present invention sends the display frame of embedded system to far end device by network because of utilizing remote control service apparatus, and can allow the incoming event of far end device also be sent to the input unit interface of embedded system by network.Therefore, even embedded system is not finished the preparation that service is provided as yet, even still in the POST stage, remote control service apparatus all can assist far end device control at far-end/operate/supervise embedded system.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Figure 1A is the calcspar of a kind of traditional embedded system of explanation.
Figure 1B is the calcspar of the another kind of traditional embedded system of explanation.
Fig. 2 is the calcspar according to embodiment of the invention explanation embedded system and remote control service apparatus.
Fig. 3 is another enforcement example that embedded system is described according to the present invention.
Embodiment
Below all embodiment will not limit the execution mode and the application of embedded system.For example, the home server of Microsoft (Microsoft) (Home Server) promptly belongs to an example of embedded system.Fig. 2 is the calcspar according to embodiment of the invention explanation embedded system and remote control service apparatus.Embedded system 100 comprise CPU (central processing unit, CPU) 101, chipset (comprising north bridge chips 102, South Bridge chip 103), first network interface unit (is network interface card 104 at this), image output interface (is display card 105 at this) and input unit interface at this.In present embodiment, above-mentioned input unit interface can comprise input controller 106 and various connector (not illustrating).The input unit interface can make input unit (for example mouse, keyboard etc.) be connected to embedded system 100.
Embedded system 100 can provide various services (for example file service etc.) for network equipment (for example PC 220) by network interface card 104 and network 210 (for example Local Area Network).Therefore, far-end individual computer 220 just can be obtained the Service Source that embedded system 100 is provided by network 210 and network interface card 104.
In embedded system 100, display card 105 produces output image according to the control of north bridge chips 102.In present embodiment, display card 105 can be VGA display card or other types display card/display chip.In addition, the input controller 106 that is coupled to South Bridge chip 103 can receive the input unit signal that external input device (for example keyboard etc., do not illustrate at this) is sent, and corresponding " input is interrupted " of output given South Bridge chip 103.Therefore, CPU 101 just can interrupt carrying out corresponding operation according to aforesaid input.
In present embodiment, will use remote control service apparatus 230 to be connected to display card 105 and input controller 106, so that the display frame of embedded system 100 is sent to the display 251 of far end device (being PC 250) by network 240 at this.In addition, and can allow the incoming event (for example user's operation keyboard 252 and/or mouse 253) of PC 250 also be sent to the input controller 106 of embedded system 100 by network 240.Therefore, even embedded system 100 is not finished the preparation that service is provided as yet, even still at start selftest (Power On Self Test, POST) stage, remote control service apparatus 230 all can assist far end device (PC 250) to control/operate/supervise embedded system 100 at far-end.
Below the execution mode of remote control service apparatus 230 will be described according to present embodiment.Remote control service apparatus 230 comprises control unit 233, compression unit 231 and second network interface unit (being network interface card 232 at this).Compression unit 231 is coupled to the image output interface (display card 105) of embedded system 100, produces compressed image with the output image of reception and compression embedded system 100.In present embodiment, compression unit 231 can be according to Motion Picture Expert Group (Motion Picture Experts Group, MPEG) output image of compression display card 105.Compressed image after the compression (data stream) can be sent to network interface card 232.
Network interface card 232 is coupled between compression unit 231 and the far end device (PC 250), sends far end device (PC 250) in order to the compressed image of compression unit 231 being exported by network 240.PC 250 is after receiving the compressed image that compression unit 231 exported via network 240 and network interface card 232, can utilize hardware mode or software engineering (application program) that compressed image is decompressed, so that compressed image is reduced into the output image of embedded system 100.By the execution of application program, PC 250 can be presented at the output image of embedded system 100 display 251 of far-end.Therefore, though embedded system 100 still in the POST stage, remote control service apparatus 230 all can assist far end device (PC 250) to supervise embedded system 100 at far-end.
Control unit 233 is coupled between the input unit interface (input controller 106) of network interface unit (network interface card 232) and embedded system 100.By network interface card 232 and network 240, control unit 233 can receive the incoming event (for example user's operation keyboard 252 and/or mouse 253) of far end device (PC 250), and produces the input unit interface (input controller 106) that corresponding input unit signal is given embedded system 100 according to this incoming event.In other words, the incoming event of far end device can be sent to the input controller 106 of embedded system 100 by network 240, network interface card 232 and control unit 233, makes this far end device can pass through remote control service apparatus 230 management/operation embedded systems 100.In addition, control unit 233 also is coupled to compression unit 231 in the present embodiment.Control unit 233 can be controlled compression unit 231 and carry out initialization operation with network interface card 232.For example, control unit 233 can initialization network interface card 232, obtains the IP address with control network interface card 232.
Above-mentioned network 240 can be cable network or wireless network.In addition, network 240 can be dedicated network, Local Area Network or world-wide web.Network 210 and network 240, the two can be same network, also can be mutually different two networks.
Embodiments of the present invention should not be restricted to the foregoing description.Those of ordinary skill in the field can look its demand and realize the present invention by any way.For example, Fig. 3 is another enforcement example that embedded system is described according to the present invention.To use embedded system 300 as server (for example home server) at this.Embedded system 300 comprises CPU 301, chipset (comprising north bridge chips 302, South Bridge chip 303 at this), first network interface unit (being network interface card 304 at this), display chip 305, input unit interface (being input controller 306 at this) and remote control service apparatus.Aforementioned distal control service unit can comprise compression unit 307, second network interface unit (being network interface card 308 at this) and control unit 309.
Display chip 305 is coupled to north bridge chips 302, in order to control/driving generation output image of foundation north bridge chips 302.In present embodiment, display chip 305 can be VGA display chip or other types display chip.
South Bridge chip 303 is coupled between north bridge chips 302 and the network interface card 304, provides service in order to the control of foundation north bridge chips 302 by network interface card 304, and receives the input interruption that input controller 306 is exported.Embedded system 300 provides various services (for example file service etc.) to give network equipment (for example PC 320) by network interface card 304 and network 310 (for example Local Area Network).Therefore, far-end individual computer 320 just can be obtained the Service Source that embedded system 300 is provided by network 310 and network interface card 304.
Input controller 306 is coupled to South Bridge chip 303, and in order to reception input unit signal, and the corresponding input of output is interrupted to South Bridge chip 303.Therefore, CPU 101 just can interrupt carrying out corresponding operation according to aforesaid input.
Compression unit 307 is coupled to display chip 305, produces compressed image with the output image of reception and compression display chip 305.In present embodiment, compression unit 307 can be to meet Motion Picture Expert Group (Motion Picture Experts Group, MPEG compression chip MPEG).Compressed image after the compression (data stream) can be sent to network interface card 308.
Network interface card 308 is coupled between compression unit 307 and the far end device (for example PC 350), sends PC 350 in order to the compressed image that compression unit 307 is exported to by network 340.PC 350 is after receiving the compressed image that compression unit 307 exported via network 340 and network interface card 308, can utilize hardware or software mode (application program) that compressed image is decompressed, so that compressed image is reduced into the output image of display chip 305.By the execution of application program, PC 250 can be presented at the output image of embedded system 300 display 351 of far-end.Therefore, though embedded system 300 still in the POST stage, far end device (PC 350) still can supervise embedded system 300 at far-end.
Control unit 309 is coupled between network interface card 308 and the input controller 306.By network interface card 308 and network 340, control unit 309 can receive the incoming event (for example user's operation keyboard 352 and/or mouse 353) of far end device (PC 350), and produces corresponding input unit signal to input controller 306 according to this incoming event.Input controller 306 is exported corresponding input and is interrupted to South Bridge chip 303 according to this input unit signal.Therefore, far end device can be by network 340 and remote control service apparatus management/operation embedded system 300.In addition, control unit 309 also is coupled to compression unit 307 in the present embodiment.Control unit 309 can be controlled compression unit 307 and carry out initialization operation with network interface card 308.For example, control unit 309 can initialization network interface card 308, obtains the IP address with control network interface card 308.
Above-mentioned network 340 and 310 can be cable network or wireless network.In addition, network 340 can be dedicated network, Local Area Network or world-wide web.Network 310 and network 340, the two can be same network, also can be mutually different two networks.
In sum, the foregoing description is connected to display card/display chip because of using remote control service apparatus, so the display frame of embedded system can be sent to the display of far end device by network.In addition, and can allow the incoming event (for example user's operation keyboard and/or mouse) of far end device also be sent to the input controller of embedded system by network.Therefore, even embedded system is not finished the preparation that service is provided as yet, even still in the POST stage, remote control service apparatus all can assist far end device control at far-end/operate/supervise embedded system.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.

Claims (10)

1. remote control service apparatus comprises:
One compression unit is coupled to an image output interface of an embedded system, to receive and to compress an output image of this embedded system and produce a compressed image;
One network interface unit is coupled between this compression unit and the far end device, sends this far end device in order to this compressed image that this compression unit is exported to by a network; And
One control unit, be coupled between the input unit interface of this network interface unit and this embedded system, in order to receive the incoming event of this far end device by this network interface unit, and produce the input unit interface that corresponding input unit signal is given this embedded system according to this incoming event, make this far end device operate this embedded system by this remote control service apparatus.
2. remote control service apparatus as claimed in claim 1 is characterized in that, this compression unit is to compress this output image according to a Motion Picture Expert Group.
3. remote control service apparatus as claimed in claim 1 is characterized in that this control unit also is coupled to this compression unit, to control this compression unit and this network interface unit is carried out initialization operation.
4. remote control service apparatus as claimed in claim 1, wherein this embedded system is a home server.
5. embedded system comprises:
One chipset;
One first network interface unit is coupled to this chipset, and wherein this embedded system provides service by this first network interface unit;
One display chip is coupled to this chipset, produces an output image in order to the control according to this chipset;
One input unit interface is coupled to this chipset, interrupts giving this chipset in order to receive the corresponding input of an input unit signal and output; And
One remote control service apparatus comprises:
One compression unit is coupled to this display chip, to receive and to compress this output image and produce a compressed image;
One second network interface unit is coupled between this compression unit and the far end device, sends this far end device in order to this compressed image that this compression unit is exported to by a network; And
One control unit, be coupled between this second network interface unit and this input unit interface, in order to receive the incoming event of this far end device by this second network interface unit, and produce corresponding input unit signal according to this incoming event and give this input unit interface, make this far end device operate this embedded system by this remote control service apparatus.
6. embedded system as claimed in claim 5 is characterized in that, this input unit interface comprises an input controller, interrupts giving this chipset in order to export this corresponding input according to this input unit signal.
7. embedded system as claimed in claim 5 is characterized in that, this chipset comprises:
One north bridge chips is coupled to this display chip, produces this output image in order to drive this display chip; And
One South Bridge chip is coupled between this north bridge chips and this first network interface unit, in order to providing service according to the control of this north bridge chips by this first network interface unit, and receives this input that this input unit interface exported and interrupts.
8. embedded system as claimed in claim 5, wherein this compression unit is to compress this output image according to a Motion Picture Expert Group.
9. embedded system as claimed in claim 5 is characterized in that this control unit also is coupled to this compression unit, to control this compression unit and this second network interface unit is carried out initialization operation.
10. embedded system as claimed in claim 5 is characterized in that, this embedded system is a home server.
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
WO2014056378A1 (en) * 2012-10-09 2014-04-17 Mediatek Inc. Data processing system for transmitting compressed display data over display interface
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