CN103986714A - Implementation method and device for connecting bus control network into agent of AVB network - Google Patents

Implementation method and device for connecting bus control network into agent of AVB network Download PDF

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CN103986714A
CN103986714A CN201410209903.0A CN201410209903A CN103986714A CN 103986714 A CN103986714 A CN 103986714A CN 201410209903 A CN201410209903 A CN 201410209903A CN 103986714 A CN103986714 A CN 103986714A
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bus
avb
frame
data frame
network
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CN103986714B (en
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王大阳
许美华
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Da Tu Frog Science And Technology Development Co Ltd Of Shenzhen
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Da Tu Frog Science And Technology Development Co Ltd Of Shenzhen
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Abstract

The invention relates to an implementation method and device for connecting a bus control network into an agent of an AVB network. The device is controlled by a 1722.1 controller and comprises a bus control agent, an AVB switch, a bus gateway and a converter. The AVB switch is provided with a bus interface and an Ethernet interface. The bus control agent is installed in the AVB switch or installed in the AVB switch and the converter. An external bus is connected with the bus interface, or connected with the AVB switch through the bus gateway, or connected with the AVB switch through the converter. The bus control agent comprises a 1722a analysis module, a stream service receiver module, a stream service provider module, a connecting unit, an inflow operation table and an outflow operation table. According to the method, the AVB network is used as a backbone network, the characteristics of the Ethernet such as mature link technologies, simple networking schemes and sufficient bandwidth are utilized, so that data transmission between bus control networks is achieved, various types of data can be loaded, the compatibility is improved, and the production cost and maintenance cost are reduced.

Description

Total line traffic control network insertion AVB network acted on behalf of to implementation method and device
Technical field
The present invention relates to Ethernet audio frequency and video bridging technology (Audio/Video Bridging is called for short AVB).
Background technology
IEEE1722a, IEEE1722.1, IEEE802.1QAT, IEEE802.QAV, IEEE802.1AS have described audio frequency and video network standard agreement and how the action of data on time sensitivity network is controlled.The stream ISP (talker) who specifies in IEEE1722.1 agreement and stream service reception person (Listener) are connected to AVB network, and can identify and process the terminal equipment of AVB Frame.Stream ISP (talker) is the initiating equipment of data flow, collect voice formation audio stream as a microphone and be sent to AVB network, stream service reception person (Listener) is the recipient of data flow, it obtains data flow from AVB network, and play out or make relevant action, as loudspeaker.AVB network is made up of AVB switch and terminal equipment miscellaneous, and its network construction form is identical with Ethernet networking.AVB switch is the ethernet switch of having realized AVB function, is also sometimes referred to as AVB bridger.Talker and Listener can be the equipment of any AVB of being connected to network, and unique requirement is the Frame that they can identify AVB, and have the ability to process the data from AVB network.
Total line traffic control network (Control Bus), herein hereinafter to be referred as CB, the protocol type comprising has CAN, LIN, MOST and FlexRay, and the scope of application is very extensive, and typical application is Industry Control, automobile control, machinery control, aircraft control etc.
The network of traditional CB access trunk, conventionally more complicated, poor expandability, docking capacity is poor, requires strictly single-minded to the type of data.
Summary of the invention
One of object of the present invention is to propose a kind of by the implementation method of acting on behalf of of total line traffic control network insertion AVB network, and it can solve the problem of networking complexity and poor expandability.
Two of object of the present invention is to propose a kind of by the implement device of acting on behalf of of total line traffic control network insertion AVB network, and it can solve the problem of networking complexity and poor expandability.
One of to achieve these goals, the technical solution adopted in the present invention is as follows:
By the implementation method of acting on behalf of of total line traffic control network insertion AVB network, it is based on 1722.1 controller controls, and it comprises the following steps:
Step 1, receive from the bus data frame of bus interface and/or from Ether frame and the 1722a Frame of Ethernet interface, if bus data frame performs step 2 to step 4, if Ether frame, perform step 5, if 1722a Frame performs step 6 to step 8;
Wherein, described bus data frame, Ether frame and 1722a Frame are accessed by a linkage unit of correspondence respectively, and described linkage unit is for describing the information of a corresponding physical interface, and described physical interface comprises bus interface and Ethernet interface;
Step 2, the bus data frame accessing according to linkage unit, distribute described bus data frame one source ID;
Step 3, according to described source ID, response flow goes out the action of data processing default in operation table; In described outflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location;
Step 4, by 1722a parsing module, described bus data frame is packaged into the 1722a Frame of propagating in AVB network, and is sent to AVB network in stream ISP's mode by Ethernet interface;
Step 5, according to bus data frame in the Ether frame of linkage unit access, distribute described bus data frame one source ID, and perform step 3 to step 4;
Step 6, whether the destination address that judges described 1722a Frame belongs to listens to address, if not, directly described 1722a Frame is forwarded to the processor of AVB switch, if so, performs step 7;
Step 7, by 1722a parsing module, described 1722a Frame is resolved, obtain having the bus data frame of source id information, described bus data frame enters linkage unit in stream service reception person's mode;
Step 8, according to described source ID, response flows into data processing action default in operation table; In described inflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location.
Preferably, in step 3, flow out the data of operation table and perform an action and comprise transmission, be forwarded to CPU and abandon;
Between step 3 and step 4, also have following steps:
If send, perform step 4; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If abandon, described bus data frame is abandoned, disregard.
Preferably, in step 8, flow into the data of operation table and perform an action and comprise transmission, be forwarded to CPU, broadcast and abandon;
After described step 8, also have following steps:
If send, described bus data frame be sent to the object bus interface corresponding with sending data destination address; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If broadcast, is sent to described bus data frame the bus interface of all this locality and the processor of AVB switch simultaneously; If abandon, described bus data frame is abandoned, disregard.
Further preferred, described deliberate action at least comprises: bus data frame after treatment is processed according to flowing out data processing action default in operation table.
Preferably, described bus interface is directly connected with outside bus.
Preferably, described Ethernet interface is connected with outside bus by bus gateway or transducer, and wherein, described transducer is for carrying out format conversion between dissimilar bus data frame.
Preferably, described bus data frame comprises one or more in CAN Frame, LIN Frame, MOST Frame and FlexRay Frame.
Preferably, IPV6 packet or IPV4 packet are encapsulated in Ether frame as load.In order to achieve the above object two, the technical solution adopted in the present invention is as follows:
By the implement device of acting on behalf of of total line traffic control network insertion AVB network, it is based on 1722.1 controller controls, and it comprises bus control agent, AVB switch, bus gateway and/or transducer; Described AVB switch has bus interface and/or Ethernet interface; Described bus control agent is installed in AVB switch, or is installed in AVB switch and transducer; Outside bus is connected with bus interface, and/or is connected with AVB switch by bus gateway, and/or is connected with AVB switch by transducer; Wherein, described transducer is for carrying out format conversion between dissimilar bus data frame;
The flow chart of data processing of described bus control agent is as acting on behalf of as described in implementation method total line traffic control network insertion AVB network of the present invention.
The present invention has following beneficial effect:
Using AVB network as backbone network, utilize the ripe link technology of Ethernet, simple networking plan and sufficient these features of bandwidth, realize the transfer of data between total line traffic control network, reach the various types of data of load, improve compatibility, thereby reach the object that reduces production maintenance cost.
Brief description of the drawings
Fig. 1 be preferred embodiment of the present invention by the direct coupled structure of acting on behalf of implement device of total line traffic control network insertion AVB network;
Fig. 2 be preferred embodiment of the present invention by the loosely connected structure of the one of acting on behalf of implement device of total line traffic control network insertion AVB network;
Fig. 3 be preferred embodiment of the present invention by the loosely connected structure of the another kind of acting on behalf of implement device of total line traffic control network insertion AVB network;
Fig. 4 is that the Ether frame of acting on behalf of implement device by total line traffic control network insertion AVB network of preferred embodiment of the present invention flows into processing schematic diagram;
Fig. 5 is that the bus data frame of acting on behalf of implement device by total line traffic control network insertion AVB network of preferred embodiment of the present invention flows into processing schematic diagram;
Fig. 6 be preferred embodiment of the present invention by the flow chart of acting on behalf of implementation method of total line traffic control network insertion AVB network;
Fig. 7 is the linkage unit descriptor of preferred embodiment of the present invention;
Fig. 8 is the inflow operation table of preferred embodiment of the present invention;
Fig. 9 is the outflow operation table of preferred embodiment of the present invention;
Figure 10 is the first provenance ID and the combination of AVB stream of preferred embodiment of the present invention;
Figure 11 is the second provenance ID and the combination of AVB stream of preferred embodiment of the present invention;
Figure 12 is the third source ID and the combination of AVB stream of preferred embodiment of the present invention;
Figure 13 is the flow chart of the order from 1722.1 controllers processing bus control agents of preferred embodiment of the present invention;
Figure 14 is 1722.1 controllers of the preferred embodiment of the present invention management flow charts to bus control agent;
Figure 15 is that use 1722.1 controllers of preferred embodiment of the present invention make bus control agent realize stability and the synchronous flow chart of information;
Figure 16 is the synchronous flow chart of the bus control agent of preferred embodiment of the present invention;
Figure 17 is the dynamic flow diagram of 1722.1 controllers of preferred embodiment of the present invention.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further.
In conjunction with shown in Fig. 1 to Fig. 5, the present embodiment discloses a kind of by the implement device of acting on behalf of of total line traffic control network insertion AVB network, it is based on 1722.1 controller controls, described 1722.1 controllers comprise 1722.1 agency by agreement modules and 1722.1 control and management Frame modules, and 1722.1 controllers are prior art.The implement device of acting on behalf of of the present embodiment specifically comprises bus control agent, AVB switch, bus gateway and/or transducer; Described AVB switch has bus interface and/or Ethernet interface; Described bus control agent is installed in AVB switch, or is installed in AVB switch and transducer; Outside bus is connected with bus interface, and/or is connected with AVB switch by bus gateway, and/or is connected with AVB switch by transducer; Wherein, described transducer is for carrying out format conversion between dissimilar bus data frame.Described bus can be CAN bus, LIN bus, MOST bus and FlexRay bus.
As shown in Figure 1 to Figure 3, the syndeton between AVB switch and bus has three kinds.
As shown in Figure 1, direct coupled structure, also can be described as local connected mode, and all types of buses connects in succession by bus interface and AVB switchboard direct.Bus control agent can run on the processor of AVB switch with the form of pure software; Also can be realized by software by partial function, another part is realized by hardware; Also can utilize fpga logic to realize.Bus control agent can be managed the control bus of the multiple AVB of being connected to switches simultaneously.AVB switch directly receives the bus data frame (comprising CAN Frame, LIN Frame, MOST Frame and FlexRay Frame) from various types of buses.
As shown in Figure 2, a kind of loosely connected mode, bus is connected with AVB switch by corresponding gateway (as CAN gateway, LIN gateway, MOST gateway and FlexRay gateway), and AVB switch receives the Ether frame from gateway.Bus control agent carries out indirect agency to a large amount of buses.By loosely connected, AVB switch can be to higher protocol layer control signal more (as network layer IPV4/IPV6, transport layer TCP/IP) remote bus of access AVB network unifies to control, and effectively improves the mutual operational capacity between various information systems.
As shown in Figure 3, another kind of loosely connected mode, bus is connected with AVB switch by transducer.Transducer is for the bus data frame of bus input is converted to dissimilar bus data frame, as CAN Frame is converted to LIN Frame.Transducer can be unifunctional, as the only mutual conversion of any 2 kinds of Frames between single conversion CAN, LIN, MOST, FlexRay of a transducer; Also can be multi-functional, can change LIN, MOST, CAN as a transducer, in FlexRay, more than three kinds Frame be changed mutually.Direct-connected AVB switch one side of transducer can be Ether frame, can be also 1722a Frame, and therefore data format has 4 kinds: IPV4 packet, IPV6 packet, Ether frame, 1722a Frame.When transducer converts bus data frame in the situation of 1722a Frame, the partial function of bus control agent is applied on transducer naturally.
If connected mode is loosely connected, bus control agent should be set up TCP/IP and be connected to gateway or transducer, to ensure that bus control agent provides service as total line traffic control network.
In conjunction with Fig. 4 and Fig. 5, described bus control agent comprises 1722a parsing module, stream service reception person module, stream ISP module, linkage unit, inflow operation table and flows out operation table.Wherein, 1722a parsing module, stream service reception person module, stream ISP module are same as the prior art, and linkage unit, to flow into operation table and flow out operation table be the improvements of the present embodiment.
The flow chart of data processing of described bus control agent as shown in Figure 6, be the acting on behalf of implementation method and can be encapsulated as bus control agent total line traffic control network insertion AVB network of the present embodiment, it is also based on 1722.1 controller controls, the i.e. control based on IEEE1722.1 agreement, it comprises the following steps:
Step S1, receive from the bus data frame of bus interface and from Ether frame and the 1722a Frame of Ethernet interface.Described bus data frame can be CAN Frame, LIN Frame, MOST Frame or FlexRay Frame.Ether frame described in the present embodiment is traditional Ether frame, there is no the Ether frame of 1722a Frame, IPV6 packet or IPV4 packet are encapsulated in Ether frame as load, in described Ether frame, also can load have bus data frame, Ether frame all has source address and destination address information (being TCP/IP address, IP address).In fact 1722a Frame is encapsulated in Ether frame as load, but describes for the ease of distinguishing, and herein Direct function description is 1722a Frame, to represent that it can propagate in AVB network.
Step S2, judgement: if bus data frame performs step S3, if Ether frame performs step S9, if 1722a Frame performs step S10.
Wherein, described bus data frame, Ether frame and 1722a Frame are accessed by a linkage unit of correspondence respectively, and described linkage unit is for describing the information of a corresponding physical interface, and described physical interface comprises bus interface and Ethernet interface.Linkage unit is actually the description to physical interface, forms corresponding linkage unit descriptor, has the interface assignment responsibility to access data, and each linkage unit calls corresponding inflow operation table and outflow operation table.
As shown in Figure 7, wherein linkage unit mark represents the physical interface distributing to described linkage unit descriptor, the inflow operation table that the linkage unit corresponding to data flow operations referential expression of the data flow operations reference of inflow and outflow calls and outflow operation table.
Linkage unit descriptor (Attached Unit Descriptor), according to IEEE1722.1 agreement regulation, is to strengthen 1722.1 descriptor.Bus control agent is as the terminal equipment of AVB network, possesses configuration descriptor (CONFIGURATION descriptors), so that 1722.1 controllers are found, in addition, 1722.1 also described flow descriptors, this is prior art, does not repeat herein, and 1722.1 allow developer to add as required extended description symbol." linkage unit descriptor " herein (ATTACHED UNIT descriptor) is the descriptor of expansion.
Linkage unit type comprises: network, and outer plug-in card, add-on card, etc.; Interface type (ether, backplane interface, bus etc.); Destination address type, value, object identifier.
Flow into operation table as shown in Figure 8, wherein, FWD is for sending, and SEND_CPU is for being forwarded to CPU, and BROADCAST is broadcast, input referential expression Data Source address.
Flow out operation table as shown in Figure 9, wherein, FILTER, for abandoning, exports referential expression data sending destination location.
Step S3, the bus data frame accessing according to linkage unit, distribute described bus data frame one source ID.The distribution method of described source ID includes but not limited to: the hardware identifier, the source address (being the source address of device) based on Frame, the data field based on Frame of the bus based on connecting and based on moving different application programs in bus.
Step S4, according to described source ID, response flow goes out the action of data processing default in operation table; In described outflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location.
Step S5, flow out the data of operation table and perform an action and comprise transmission, be forwarded to CPU and abandon.If send, perform step S6; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If abandon, described bus data frame is abandoned, disregard.
Wherein, described deliberate action at least comprises: bus data frame after treatment is processed according to flowing out data processing action default in operation table.In fact, can also described bus data frame be packaged into Ether frame by the processor of AVB switch, send by Ethernet interface.That is to say, if be forwarded to CPU, determined next step processing action of bus data frame by AVB switch.
Step S6, by 1722a parsing module, described bus data frame is packaged into the 1722a Frame of propagating in AVB network, and is sent to AVB network in stream ISP's mode by Ethernet interface.
Step S9, according to bus data frame in the Ether frame of linkage unit access, distribute described bus data frame one source ID, and perform step S4.
Step S10, judge described 1722a Frame destination address (because 1722a Frame reality is to be also loaded in Ether frame, therefore also there is source address and destination address information) whether belong to and listen to address, if not, perform step S11, if so, perform step S12.Wherein, 1722.1 controllers carry out control and management to whole AVB network, it can find all AVB switches and AVB terminal in whole AVB network, it also records the configuration information of all AVB switches and AVB terminal, and it knows whether AVB switch and AVB terminal possess the ability of resolving 1722a Frame.Listen to address and be positioned at and listen to list, described in listen to list and can be stored in AVB switch, also can be stored in 1722.1 controllers, listening to list is technology comparatively ripe in AVB field, does not repeat them here.
Step S11, the direct processor that described 1722a Frame is forwarded to local AVB switch, to allow the processor of AVB switch determine this 1722a Frame to do next step processing.
Step S12, by 1722a parsing module, described 1722a Frame is resolved, obtain having the bus data frame of source id information, described bus data frame enters linkage unit in stream service reception person's mode.
Step S13, according to described source ID, response flows into data processing action default in operation table; In described inflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location.
Step S14, flows into the data of operation table and performs an action and comprise transmission, be forwarded to CPU, broadcast and abandon.If send, described bus data frame be sent to the object bus interface corresponding with sending data destination address; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If broadcast, is sent to described bus data frame the bus interface of all this locality and the processor of AVB switch simultaneously; If abandon, described bus data frame is abandoned, disregard.
Source identifier (ID) and AVB stream (being 1722a Frame) combination: AVB stream is ethernet data stream (being Ether frame), on purpose MAC Address.Each AVB stream has one 64 bit stream identifier and destination-mac address.Source identifier is to distribute to AVB stream, in destination to determine further action.Therefore, there are following three kinds of combinations:
1, as shown in figure 10, for encapsulating different source identifiers (ID) and identical AVB stream, same target MAC (Media Access Control) address and decapsulation (destination).
2, as shown in figure 11, the source identifier of separate sources, different flow identifiers, same target MAC (Media Access Control) address.
3, as shown in figure 12, the source identifier of separate sources, different flow identifiers, different destination-mac address.
Linkage unit and inflow operation table, outflow operation table, meet 1722.1 protocol descriptions.1722.1 controllers can reading and writing and use, and utilizes 1722.1 agreements to modify.
The bus control agent of the present embodiment is realized the centralized control of 1722.1 agreements.
A) 1722.1 are one and enumerate, and find agreement to operate in Ethernet, similar 1722a, and 1722.1 have an ethernet type.1722.1 controllers can be by network control 1722.1 equipment.
B) in order to use 1722.1 control unit interfaces, the descriptor of enhancing is defined as follows.
Table 1: flow out operation descriptor details
Table 2: flow into operation descriptor details
Table 3: linkage unit descriptor details
C) foregoing description symbol is realized by bus control agent.1722.1 standards visit descriptor with well-known method.
As shown in figure 13, process the flow process of the order of bus control agent from 1722.1 controllers.
A) 1722.1 controllers must establish a connection to agency's various descriptors, so that read and write each descriptor information of agency.
B) 1722.1a is the descriptor (being linkage unit descriptor) strengthening, and according to the type of this descriptor, determines to process action by agency.
C) before bus control agent sends response, 1722.1 descriptive data are stored in Nonvolatile memory devices.
As shown in figure 14, the management process of 1722.1 controllers to bus control agent.
A) configuration and descriptor are stored in bus control agent and 1722.1 controllers;
B) most suitable configuration is always stored in 1722.1 controllers;
C) configuration of bus control agent and storage and descriptor initialization, 1722a Frame, under the control of 1722.1 controllers, starts to propagate.
The present embodiment is the control of reliable AVB network data flow, and flexibility is strong, has the function of dynamic-configuration.After bus control agent starts, the management based on 1722.1 controllers and control, by configuration and descriptor information are carried out to verification and amendment, can realize the function that improves stability and dynamic-configuration.
As shown in figure 15, use 1722.1 controllers to make bus control agent realize stability and the synchronous flow process of information.
A), because 1722.1 controllers have most suitable configuration and algorithm logic, to detect wrong route, need to compare to configuration and descriptor.
B) result comprises synchronous or stable state to bus control agent.
As shown in figure 16, the synchronous flow process of bus control agent.
A) bus control agent refresh operation is to carry out on 1722.1 controllers.
B) 1722.1 controllers read the value of optimal local configuration and descriptor, write bus control agent.
C), relatively, start dynamic process.
D) superincumbent mode, after restarting systems, 1722.1 controllers can keep this bus control agent working stability with method for refreshing repeatedly.
As shown in figure 17, the dynamic flow of 1722.1 controllers.
A) 1722.1 controllers are used for examining stability, and start dynamic process.
B) each system has different algorithms, but the result of every kind of algorithm reaches by strengthen descriptor by read-write the result of wanting.
C) configuration that work data set comprises bus control agent and the value of descriptor.
D) send 1722.1 and order configuration and the descriptor of revising bus control agent, it is determined by algorithm.
E) be stored in the non-volatile memories of AVB switch in each variation of descriptor and configuration.
F) also memory descriptor and be configured to dynamic algorithm and process to be for future reference of 1722.1 controllers.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection range of the claims in the present invention within.

Claims (9)

1. by the implementation method of acting on behalf of of total line traffic control network insertion AVB network, it based on 1722.1 controller controls, is characterized in that, comprises the following steps:
Step 1, receive from the bus data frame of bus interface and/or from Ether frame and the 1722a Frame of Ethernet interface, if bus data frame performs step 2 to step 4, if Ether frame, perform step 5, if 1722a Frame performs step 6 to step 8;
Wherein, described bus data frame, Ether frame and 1722a Frame are accessed by a linkage unit of correspondence respectively, and described linkage unit is for describing the information of a corresponding physical interface, and described physical interface comprises bus interface and Ethernet interface;
Step 2, the bus data frame accessing according to linkage unit, distribute described bus data frame one source ID;
Step 3, according to described source ID, response flow goes out the action of data processing default in operation table; In described outflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location;
Step 4, by 1722a parsing module, described bus data frame is packaged into the 1722a Frame of propagating in AVB network, and is sent to AVB network in stream ISP's mode by Ethernet interface;
Step 5, according to the bus data frame in the Ether frame of linkage unit access, distribute described bus data frame one source ID, and perform step 3 to step 4;
Step 6, whether the destination address that judges described 1722a Frame belongs to listens to address, if not, directly described 1722a Frame is forwarded to the processor of AVB switch, if so, performs step 7;
Step 7, by 1722a parsing module, described 1722a Frame is resolved, obtain having the bus data frame of source id information, described bus data frame enters linkage unit in stream service reception person's mode;
Step 8, according to described source ID, response flows into data processing action default in operation table; In described inflow operation table, being preset with the data corresponding with source ID performs an action and data sending destination location.
2. as claimed in claim 1 the implementation method of acting on behalf of of total line traffic control network insertion AVB network be is characterized in that, in step 3, the data that flow out operation table perform an action and comprise transmission, be forwarded to CPU and abandon;
Between step 3 and step 4, also have following steps:
If send, perform step 4; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If abandon, described bus data frame is abandoned, disregard.
3. as claimed in claim 1 the implementation method of acting on behalf of of total line traffic control network insertion AVB network be is characterized in that, in step 8, the data that flow into operation table perform an action and comprise transmission, are forwarded to CPU, broadcast and abandon;
After described step 8, also have following steps:
If send, described bus data frame be sent to the object bus interface corresponding with sending data destination address; If be forwarded to CPU, described bus data frame is sent to the processor of AVB switch, so that the processor of described AVB switch is processed described bus data frame according to deliberate action; If broadcast, is sent to described bus data frame the bus interface of all this locality and the processor of AVB switch simultaneously; If abandon, described bus data frame is abandoned, disregard.
4. as claimed in claim 2 or claim 3 by the implementation method of acting on behalf of of total line traffic control network insertion AVB network, it is characterized in that, described deliberate action at least comprises: bus data frame after treatment is processed according to flowing out data processing action default in operation table.
5. as claimed in claim 1 the implementation method of acting on behalf of of total line traffic control network insertion AVB network be is characterized in that, described bus interface is directly connected with outside bus.
6. as claimed in claim 1 by the implementation method of acting on behalf of of total line traffic control network insertion AVB network, it is characterized in that, described Ethernet interface is connected with outside bus by bus gateway or transducer, wherein, described transducer is for carrying out format conversion between dissimilar bus data frame.
7. as claimed in claim 1 the implementation method of acting on behalf of of total line traffic control network insertion AVB network be is characterized in that, described bus data frame comprises one or more in CAN Frame, LIN Frame, MOST Frame and FlexRay Frame.
8. as claimed in claim 1 the implementation method of acting on behalf of of total line traffic control network insertion AVB network be is characterized in that, IPV6 packet or IPV4 packet are encapsulated in Ether frame as load.
9. by the implement device of acting on behalf of of total line traffic control network insertion AVB network, it,, based on 1722.1 controller controls, is characterized in that, comprises bus control agent, AVB switch, bus gateway and/or transducer; Described AVB switch has bus interface and/or Ethernet interface; Described bus control agent is installed in AVB switch, or is installed in AVB switch and transducer; Outside bus is connected with bus interface, and/or is connected with AVB switch by bus gateway, and/or is connected with AVB switch by transducer; Wherein, described transducer is for carrying out format conversion between dissimilar bus data frame;
The flow chart of data processing of described bus control agent is as described in claim 1-3 any one.
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