CN103220233A

CN103220233A - Electronic device with automatic network switchover function and automatic network switchover method

Info

Publication number: CN103220233A
Application number: CN2012100201092A
Authority: CN
Inventors: 唐崇文; 黄亮维; 梁礼涵; 曾达钦
Original assignee: Realtek Semiconductor Corp
Current assignee: Realtek Semiconductor Corp
Priority date: 2012-01-21
Filing date: 2012-01-21
Publication date: 2013-07-24
Anticipated expiration: 2032-01-21
Also published as: CN103220233B

Abstract

The invention provides an electronic device with an automatic network switchover function and an automatic network switchover method for the electronic device. The electronic device comprises a first network connection unit and a second network connection unit, wherein the first network connection unit has a first specific network transmission standard, the second network connection unit has a second specific network transmission standard, and the first specific network transmission standard is different from the second specific network transmission standard. The automatic network switchover method includes the steps that a test unit is used for testing the network connection condition of the first network connection unit and the network condition of the second network connection unit and producing a test result; a network access unit is used for deciding to choose the first network connection unit or the second network connection unit to conduct network online operation or to not conduct network on-line operation according to the test result.

Description

Electronic installation and network automatic switching method with network automatic switching function

Technical field

The present invention is about a kind of electronic installation and a kind of network automatic switching method that is used for an electronic installation with network automatic switching function.

Background technology

Present up-to-date high resolution multimedia interface (High Definition Multimedia Interface, HDMI) 1.4 editions specification has increased high resolution multimedia interface Ethernet and sound Return Channel (HDMI Ethernet and Audio return Channel newly, HEAC) function, the high resolution multimedia interface can be transmitted/receiving high definition multimedia interface Ethernet channel (HDMI Ethernet Channel simultaneously, therefore HEC) network data signals just can replace the cabling of traditional ethernet network by the connecting line of high resolution multimedia interface.

Present system manufacturer (is for example made mobile computer or digital multi CD-ROM drive (Digital Versatile Disc, DVD) etc. system manufacturer) still can't determine the high resolution multimedia interface of client that the transmission of supporting 1.4 versions and Ethernet is all arranged, so high resolution multimedia port connections that system manufacturer can keep traditional ethernet network joint and have the Ethernet function on hardware, yet present system manufacturer is not provided at automatic shifting function between the above-mentioned different network on-line pattern, and on hardware, also need to be provided with respectively two group media access control (media access control, MAC) layer control circuit and two group object layer (physical layer, PHY) control circuit is so cause the cost of hardware to rise.

Summary of the invention

In view of this, one of purpose of the present invention is to provide a kind of electronic installation and a kind of network automatic switching method that is used for an electronic installation with network automatic switching function, this electronic installation and this network automatic switching method can automatically switch between two kinds of different network on-line patterns, to solve the above problems.

According to claim of the present invention, it discloses a kind of electronic installation with network automatic switching function, and this electronic installation includes: one first network on-line unit (first network connecting unit), one second network on-line unit, a detecting unit and a network access unit.This first network on-line unit has one first particular network transmission standard, and this second network on-line unit has one second particular network transmission standard, and wherein, this second particular network transmission standard is different from this first particular network transmission standard; This detecting unit is coupled to this first network on-line unit and this second network on-line unit, and is used to detect the network on-line situation of this first network on-line unit and this second network on-line unit to produce a testing result; And this network access unit is coupled to this detecting unit, this first network on-line unit and this second network on-line unit, and be used for deciding according to this testing result at least selecting this first network on-line unit or this second network on-line unit to carry out network on-line operation, perhaps do not carry out this network on-line operation.

According to claim of the present invention, it discloses a kind of network automatic switching method that is used for an electronic installation, and this electronic installation includes: one first network on-line unit has one first particular network transmission standard; And one second network on-line unit, has one second particular network transmission standard, wherein, this second particular network transmission standard is different from this first particular network transmission standard, and this network automatic switching method includes: utilize a detecting unit to detect the network on-line situation of this first network on-line unit and this second network on-line unit to produce a testing result; Utilize a network access unit to decide and select this first network on-line unit or this second network on-line unit to carry out network on-line operation, perhaps do not carry out this network on-line operation according to this testing result.

In sum, compared to prior art, this electronic installation that the present invention is disclosed and this network automatic switching method can automatically switch between two kinds of different network on-line patterns, and on hardware, only a group media access control (media access control need be set respectively, MAC) layer control circuit and two group object layer (physical layer, PHY) control circuit (a perhaps group object layer control circuit) is so can reduce the cost of hardware.

Description of drawings

Fig. 1 shows a kind of simplification block schematic diagram with electronic installation of network automatic switching function according to one embodiment of the invention.

Fig. 2 is the state machine schematic diagram of one embodiment of the invention.

Fig. 3 is the tabulation of the various conditions of the state machine among Fig. 2.

Fig. 4 shows the flow chart of summarizing an embodiment of the network automatic switching method that is used for an electronic installation of the present invention according to the function mode of the electronic installation of Fig. 1.

The primary clustering symbol description

100: 102: the first network on-line unit of electronic installation

104: the second network on-line unit 106: detecting unit

108: network access unit 110: processing unit

Embodiment

Please refer to Fig. 1, Fig. 1 shows a kind of simplification block schematic diagram with electronic installation 100 of network automatic switching function according to one embodiment of the invention, wherein, electronic installation 100 can for a mobile computer or a digital multi CD-ROM drive (Digital Versatile Disc, DVD) etc.As shown in Figure 1, electronic installation 100 includes: one first network on-line unit 102, one second network on-line unit 104, a detecting unit 106, a network access unit 108 and a processing unit 110.The first network on-line unit 102 has one first particular network transmission standard, and second network on-line unit 104 have one second particular network transmission standard, wherein, this second particular network transmission standard is different from this first particular network transmission standard, for instance, this first particular network transmission standard can be high resolution multimedia interface Ethernet channel (HDMI Ethernet Channel for Ethernet (Ethernet) and this second particular network transmission standard, HEC), but this just illustrates as of the present invention, is not restrictive condition of the present invention.Detecting unit 106 is coupled to the first network on-line unit 102 and the second network on-line unit 104, and is used to detect the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 to produce a testing result; And network access unit 108 is coupled to detecting unit 106, the first network on-line unit 102 and the second network on-line unit 104, and be used for deciding according to this testing result at least selecting the first network on-line unit 102 or the second network on-line unit 104 to carry out network on-line operation, perhaps do not carry out this network on-line operation.Processing unit 110 is coupled to network access unit 108, and be used to adjust at least one network settings parameter of network access unit 108, wherein, network access unit 108 decides according to this testing result and this at least one network settings parameter selects the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation, does not perhaps carry out this network on-line operation.In one embodiment, this at least one network settings parameter includes a present online priority parameter, a preferential online parameter and the online parameter of a fixing selection selected; When this present online priority parameter had one first present online preferential set point (for example 0), selected first network on-line unit 102 or the selected second network on-line unit 104 at present at present can preferentially not selected in network access unit 108; When this present online priority parameter had one second present online preferential set point (for example 1), selected first network on-line unit 102 or the selected second network on-line unit 104 at present at present can preferentially be selected in network access unit 108; To select online parameter to have one first preferential when selecting online setting value (for example 0) when this is preferential, and the first network on-line unit 102 can preferentially be selected in network access unit 108; To select online parameter to have one second preferential when selecting online setting value (for example 1) when this is preferential, and the second network on-line unit 104 can preferentially be selected in network access unit 108; To select online parameter to have one first fixing when selecting online setting value (for example 0) when this is fixing, and the first network on-line unit 102 can fixingly be selected in network access unit 108; And one second fixing when selecting online setting value (for example 1) when should fixing selecting online parameter to have, the second network on-line unit 104 can fixingly be selected in network access unit 108.In addition, please note at this, the above embodiments only illustrate as of the present invention, non-restrictive condition of the present invention, for example, this first present online preferential set point, this second present online preferential set point, this first preferential online setting value, this second preferential online setting value, this first fixing online setting value and this second fixing online setting value of selecting selected selected selected can design according to other different demand.In addition, network access unit 108 also can be according to network access unit 108 present network online state and this testing result, decide and select the first network on-line unit 102 or the second network on-line unit 104 to carry out network on-line operation, perhaps do not carry out this network on-line operation.

In one embodiment of this invention, the state machine (state machine) that 108 inner utilization, one software is realized in the network access unit carries out above-mentioned network automatically switching operation, please also refer to Fig. 2 and Fig. 3, Fig. 2 is the state machine schematic diagram of one embodiment of the invention, and Fig. 3 is the tabulation of the various conditions of the state machine among Fig. 2, wherein, this present online priority parameter of " LDM False " expression among Fig. 3 has this first present online preferential set point, this present online priority parameter of " LDM True " expression has this second present online preferential set point, " Prefer Eth " expression should preferentially select online parameter to have this first preferential online setting value of selecting, " Prefer HEC " expression should preferentially select online parameter to have this second preferential online setting value of selecting, " Fix Eth " expression should fixingly select online parameter to have this first fixing online setting value of selecting, " Fix HEC " expression should fixingly select online parameter to have this second fixing online setting value of selecting, the network on-line situation of "～NWAY rdy ﹠～AHEC " the expression first network on-line unit 102 and the second network on-line unit 104 is can't be online, the network on-line situation of " NWAY rdy ﹠～AHEC " expression first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 be can't be online, the network on-line situation of "～NWAY rdy ﹠ AHEC " expression first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 be can be online, and the network on-line situation of " NWAY rdy ﹠ AHEC " expression first network on-line unit 102 and the second network on-line unit 104 be can be online, and " No link " among Fig. 2 and Fig. 3 expression network access unit 108 does not carry out this network on-line operation, " Eth link " expression network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation, and " HEC link " expression network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation.As Fig. 2 and shown in Figure 3, when the condition among Fig. 32,4,6,10,12,18,20,22,26 and 28 is set up, if network access unit 108 on line state originally is " No link ", then the on line state of network access unit 108 can switch to " Eth link "; When the condition among Fig. 33,7,8,15,16,19,23,24,31 and 32 was set up, if network access unit 108 on line state originally is " No link ", then the on line state of network access unit 108 can switch to " HEC link "; When the condition among Fig. 31,2,4～6,9～14,17,18,21,22,25,26,29 and 30 is set up, if network access unit 108 on line state originally is " HEC link ", then the on line state of network access unit 108 can switch to " No link "; And when the condition among Fig. 31,3,5,7～9,11,13～17,19,21,23,25,27,29 and 31 is set up, if network access unit 108 on line state originally is " Eth link ", then the on line state of network access unit 108 can switch to " No link ".

In addition, please note at this, the above embodiments only illustrate as of the present invention, non-restrictive condition of the present invention, for instance, above-mentioned state machine also can be realized by hardware according to other different design requirement, in addition, in the state machine of another embodiment of the present invention, condition 2 in Fig. 3,4,6,10,12,18, during 22 and 26 establishments, if network access unit 108 on line state originally is " HEC link ", then the on line state of network access unit 108 can directly switch to " Eth link ", and do not need to switch to earlier " No link " afterwards, switch to again " Eth link "; And when the condition among Fig. 33,7,8,15,16,19,23 and 31 is set up, if network access unit 108 on line state originally is " Eth link ", then the on line state of network access unit 108 can directly switch to " HEC link ", and do not need to switch to earlier " No link " afterwards, switch to again " HEC link "; In other words, when network access unit 108 according to this testing result, this present online priority parameter and should preferential select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should preferential select online parameter to have the preferential selection online setting value of this first present online preferential set point and this first respectively the time, can be online if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 is, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online the time, then the network access unit selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should preferential select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should preferential select online parameter to have the preferential selection online setting value of this first present online preferential set point and this second respectively the time, can be online if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 is, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should fixing select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should fixing select online parameter to have the fixing selection online setting value of this first present online preferential set point and this first respectively the time, can be online if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 is, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, then this network on-line operation is selected not carry out in network access unit 108; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should fixing select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should fixing select online parameter to have the fixing selection online setting value of this first present online preferential set point and this second respectively the time, can be online if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 is, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then this network on-line operation is selected not carry out in network access unit 108; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should preferential select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should preferential select online parameter to have the preferential selection online setting value of this second present online preferential set point and this first respectively the time, if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 select the second network on-line unit 104 to carry out this network on-line operation at present, then network access unit 108 continues to select the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 be not to select the second network on-line unit 104 to carry out this network on-line operation at present, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online the time, then the network access unit selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should preferential select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should preferential select online parameter to have the preferential selection online setting value of this second present online preferential set point and this second respectively the time, if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 select the first network on-line unit 102 to carry out this network on-line operation at present, then network access unit 108 continues to select the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 be not to select the first network on-line unit 102 to carry out this network on-line operation at present, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should fixing select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should fixing select online parameter to have the fixing selection online setting value of this second present online preferential set point and this first respectively the time, if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 select the second network on-line unit 104 to carry out this network on-line operation at present, then network access unit 108 continues to select the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 be not to select the second network on-line unit 104 to carry out this network on-line operation at present, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, then network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, and network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation at present, and then network access unit 108 continues to select the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, and network access unit 108 is not to select the second network on-line unit 104 to carry out this network on-line operation at present, and then this network on-line operation is selected not carry out in network access unit 108; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.When network access unit 108 according to this testing result, this present online priority parameter and should preferential select online parameter to decide to select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation or do not carry out this network on-line operation, and this present online priority parameter and should preferential select online parameter to have the preferential selection online setting value of this second present online preferential set point and this second respectively the time, if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 select the first network on-line unit 102 to carry out this network on-line operation at present, then network access unit 108 continues to select the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can be online and network access unit 108 be not to select the first network on-line unit 102 to carry out this network on-line operation at present, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, and network access unit 108 selects the first network on-line unit 102 to carry out this network on-line operation at present, and then network access unit 108 continues to select the first network on-line unit 102 to carry out this network on-line operation; If the network on-line situation of the first network on-line unit 102 be can be online and the network on-line situation of the second network on-line unit 104 for can't be online, and network access unit 108 is not to select the first network on-line unit 102 to carry out this network on-line operation at present, and then this network on-line operation is selected not carry out in network access unit 108; If the network on-line situation of the first network on-line unit 102 be can't be online and the network on-line situation of the second network on-line unit 104 for can be online, then network access unit 108 selects the second network on-line unit 104 to carry out this network on-line operation; And if the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 be can't be online, then this network on-line operation is selected not carry out in network access unit 108.Network access unit 108 is at least according to network access unit 108 present network online state and this testing result, decide and select the first network on-line unit 102 or the second network on-line unit 104 to carry out this network on-line operation, perhaps do not carry out this network on-line operation.

Please refer to Fig. 4, Fig. 4 shows the flow chart of summarizing an embodiment of the network automatic switching method that is used for an electronic installation of the present invention according to the function mode of above-mentioned electronic installation 100, if can obtain identical result substantially, then the step in the flow process not necessarily needs to carry out by order shown in Figure 4, it is continuous also not necessarily needing, that is to say, can insert other step between these steps.First embodiment of network signal method of reseptance of the present invention includes the following step:

Step 400: beginning.

Step 402: utilize detecting unit 106 to detect the network on-line situation of the first network on-line unit 102 and the second network on-line unit 104 to produce a testing result.

Step 404: utilize processing unit 110 to adjust at least one network settings parameter of network access unit 108.

Step 406: utilize network access unit 108 to decide and select the first network on-line unit 102 or the second network on-line unit 104 to carry out network on-line operation, perhaps do not carry out this network on-line operation according to network access unit 108 present network online state, this testing result and this at least one network settings parameters.

Step 408: finish.

Wherein, the detail operations process of step 406 is the operating process of the state machine among above-mentioned Fig. 2, does not repeat at this.Please note, the above embodiments only illustrate as of the present invention, it is not restrictive condition of the present invention, as in another embodiment of the present invention, network access unit 108 also can be only according to present network online state and this testing result in 108 network access unit, decide and select the first network on-line unit 102 or the second network on-line unit 104 to carry out network on-line operation, perhaps do not carry out this network on-line operation; In other words, above-mentioned step 404 can be omitted.

The above only is embodiments of the invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.

Claims

1. electronic installation with network automatic switching function includes:

One first network on-line unit has one first particular network transmission standard;

One second network on-line unit has one second particular network transmission standard, and wherein, the described second particular network transmission standard is different from the described first particular network transmission standard;

One detecting unit is coupled to described first network on-line unit and the described second network on-line unit, is used to detect the network on-line situation of described first network on-line unit and the described second network on-line unit to produce a testing result; And

One network access unit, be coupled to described detecting unit, the described first network on-line unit and the described second network on-line unit, be used for deciding according to described testing result at least selecting described first network on-line unit or the described second network on-line unit to carry out network on-line operation, perhaps do not carry out described network on-line operation.

2. electronic installation according to claim 1 also includes:

One processing unit is coupled to described network access unit, is used to adjust at least one network settings parameter of described network access unit;

Wherein, described network access unit decides according to described testing result and described at least one network settings parameter selects described first network on-line unit or the described second network on-line unit to carry out described network on-line operation, does not perhaps carry out described network on-line operation.

3. electronic installation according to claim 2, wherein, described at least one network settings parameter includes a present online priority parameter, a preferential online parameter and the online parameter of a fixing selection selected; When described present online priority parameter had one first at present online preferential set point, selected described first network on-line unit or the selected described second network on-line unit at present at present can preferentially not selected in described network access unit; When described present online priority parameter had one second at present online preferential set point, selected described first network on-line unit or the selected described second network on-line unit at present at present can preferentially be selected in described network access unit; When the online parameter of described preferential selection has one first preferentially when selecting the online setting value, the described first network on-line unit can preferentially be selected in described network access unit; When the online parameter of described preferential selection has one second preferentially when selecting the online setting value, the described second network on-line unit can preferentially be selected in described network access unit; When the online parameter of described fixedly selection has one first fixingly when selecting the online setting value, described network access unit can be fixed and select the described first network on-line unit; And having one second fixingly when selecting the online setting value when the online parameter of described fixedly selection, described network access unit can be fixed and select the described second network on-line unit.

4. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described first present online preferential set point and described first preferential when selecting the online setting value respectively, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online the time, then the network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

5. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described first present online preferential set point and described second preferential when selecting the online setting value respectively, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

6. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described first present online preferential set point and described first respectively and fix when selecting the online setting value, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, described network on-line operation is selected not carry out in then described network access unit; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

7. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described first present online preferential set point and described second respectively and fix when selecting the online setting value, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, described network on-line operation is selected not carry out in then described network access unit; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

8. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described first preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described second network on-line unit to carry out described network on-line operation at present, then described network access unit continues to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described second network on-line unit to carry out described network on-line operation at present, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online the time, then the network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

9. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described second preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described first network on-line unit to carry out described network on-line operation at present, then described network access unit continues to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described first network on-line unit to carry out described network on-line operation at present, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

10. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described second present online preferential set point and described first respectively and fix when selecting the online setting value, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described second network on-line unit to carry out described network on-line operation at present, then described network access unit continues to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described second network on-line unit to carry out described network on-line operation at present, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then described network access unit selects the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, and described network access unit selects the described second network on-line unit to carry out described network on-line operation at present, and then described network access unit continues to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, and described network access unit is not to select the described second network on-line unit to carry out described network on-line operation at present, and described network on-line operation is selected not carry out in then described network access unit; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

11. electronic installation according to claim 3, wherein, when the described testing result of described network access unit foundation, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described second preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described first network on-line unit to carry out described network on-line operation at present, then described network access unit continues to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described first network on-line unit to carry out described network on-line operation at present, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, and described network access unit selects the described first network on-line unit to carry out described network on-line operation at present, and then described network access unit continues to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, and described network access unit is not to select the described first network on-line unit to carry out described network on-line operation at present, and described network on-line operation is selected not carry out in then described network access unit; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

12. electronic installation according to claim 1, wherein, the described first particular network transmission standard be Ethernet (Ethernet) and the described second particular network transmission standard be high resolution multimedia interface Ethernet channel (HDMI Ethernet Channel, HEC).

13. electronic installation according to claim 1, wherein, described network access unit is at least according to present network online state and the described testing result in described network access unit, decide and select described first network on-line unit or the described second network on-line unit to carry out described network on-line operation, perhaps do not carry out described network on-line operation.

14. a network automatic switching method that is used for an electronic installation, described electronic installation includes: one first network on-line unit has one first particular network transmission standard; And one second network on-line unit, having one second particular network transmission standard, the wherein said second particular network transmission standard is different from the described first particular network transmission standard, and described network automatic switching method includes:

Utilize a detecting unit to detect the network on-line situation of described first network on-line unit and the described second network on-line unit to produce a testing result;

Utilize a network access unit to decide and select described first network on-line unit or the described second network on-line unit to carry out network on-line operation, perhaps do not carry out described network on-line operation according to described testing result.

15. network automatic switching method according to claim 14 also includes:

Utilize a processing unit to adjust at least one network settings parameter of described network access unit;

Wherein, utilize described network access unit to include: to utilize described network access unit to decide and select described first network on-line unit or the described second network on-line unit to carry out described network on-line operation, perhaps do not carry out described network on-line operation according to described testing result and described at least one network settings parameter according to the step that described testing result decides.

16. network automatic switching method according to claim 15, wherein, described at least one network settings parameter includes a present online priority parameter, a preferential online parameter and the online parameter of a fixing selection selected; When described present online priority parameter had one first at present online preferential set point, selected described first network on-line unit or the selected described second network on-line unit at present at present can preferentially not selected in described network access unit; When described present online priority parameter had one second at present online preferential set point, selected described first network on-line unit or the selected described second network on-line unit at present at present can preferentially be selected in described network access unit; When the online parameter of described preferential selection has one first preferentially when selecting the online setting value, the described first network on-line unit can preferentially be selected in described network access unit; When the online parameter of described preferential selection has one second preferentially when selecting the online setting value, the described second network on-line unit can preferentially be selected in described network access unit; When the online parameter of described fixedly selection has one first fixingly when selecting the online setting value, described network access unit can be fixed and select the described first network on-line unit; And having one second fixingly when selecting the online setting value when the online parameter of described fixedly selection, described network access unit can be fixed and select the described second network on-line unit.

17. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described first present online preferential set point and described first preferential when selecting the online setting value respectively, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online the time, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

18. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described first present online preferential set point and described second preferential when selecting the online setting value respectively, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

19. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described first present online preferential set point and described first respectively and fix when selecting the online setting value, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then utilize described network access unit to select not carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, described network on-line operation is selected not carry out in then described network access unit.

20. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described first present online preferential set point and described second respectively and fix when selecting the online setting value, can be online if the network on-line situation of described first network on-line unit and the described second network on-line unit is, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select not carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

21. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described first preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described second network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to continue to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described second network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online the time, then described network access unit selects the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

22. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described second preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described first network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to continue to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described first network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

23. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described fixedly selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described fixedly selection have the described second present online preferential set point and described first respectively and fix when selecting the online setting value, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described second network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to continue to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described second network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, then utilize described network access unit to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, and described network access unit selects the described second network on-line unit to carry out described network on-line operation at present, then utilizes described network access unit to continue to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, and described network access unit is not to select the described second network on-line unit to carry out described network on-line operation at present, then utilizes described network access unit to select not carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

24. network automatic switching method according to claim 16, wherein, when utilizing described network access unit according to described testing result, described present online priority parameter and the online parameter of described preferential selection decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation or do not carry out described network on-line operation, and described present online priority parameter and the online parameter of described preferential selection have the described second present online preferential set point and described second preferential when selecting the online setting value respectively, if the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit select the described first network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to continue to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of described first network on-line unit and the described second network on-line unit be can be online and described network access unit be not to select the described first network on-line unit to carry out described network on-line operation at present, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, and described network access unit selects the described first network on-line unit to carry out described network on-line operation at present, then utilizes described network access unit to continue to select the described first network on-line unit to carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can be online and the network on-line situation of the described second network on-line unit for can't be online, and described network access unit is not to select the described first network on-line unit to carry out described network on-line operation at present, then utilizes described network access unit to select not carry out described network on-line operation; If the network on-line situation of the described first network on-line unit be can't be online and the network on-line situation of the described second network on-line unit for can be online, then utilize described network access unit to select the described second network on-line unit to carry out described network on-line operation; And if the network on-line situation of described first network on-line unit and the described second network on-line unit be can't be online, then utilize described network access unit to select not carry out described network on-line operation.

25. network automatic switching method according to claim 14, wherein, the described first particular network transmission standard be Ethernet (Ethernet) and the described second particular network transmission standard be high resolution multimedia interface Ethernet channel (HDMI Ethernet Channel, HEC).

26. network automatic switching method according to claim 14, wherein, utilize described network access unit also to include: to utilize described network access unit to decide described first network on-line unit of selection or the described second network on-line unit to carry out described network on-line operation according to described network access unit present network online state and described testing result at least, perhaps do not carry out described network on-line operation according to the step that described testing result decides.