CN103248545A

CN103248545A - Ethernetcommunication method and system for special effect broadcast system of dynamic cinema

Info

Publication number: CN103248545A
Application number: CN2013102039251A
Authority: CN
Inventors: 韩利; 姚宏; 朱凌云; 陈炜
Original assignee: Beijing Hollysys Electronics Technology Co Ltd
Current assignee: Beijing Hollysys Electronics Technology Co Ltd
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-08-14
Anticipated expiration: 2033-05-28
Also published as: CN103248545B

Abstract

The invention provides an Ethernet communication method and an Ethernet communication method for a special effect broadcast system of a dynamic cinema. The special effect broadcast system of the dynamic cinema comprises a broadcast upper computer and at least one broadcast equipment controller which are connected to an Ethernet bus respectively for communication. The method comprises the following step that the broadcast upper computer sends an Ethernet message frame to the broadcast equipment controller in a question and answer form or a broadcast form to obtain the information of the broadcast equipment controller or control the operation of the broadcast equipment controller, or the broadcast equipment controller sends an Ethernet active report message frame to the broadcast upper computer to actively report the running status, fault information and the like. By the technical scheme, communication between equipment in the special effect broadcast system of the dynamic cinema can be realized, and the broadcast, operation monitoring, fault diagnosis and the like of special effect action commands are realized efficiently and reliably.

Description

Be used for the dynamic cinema special efficacy and broadcast the ethernet communication method and system of system

Technical field

The present invention relates to communication technical field, broadcast ethernet communication method and the ethernet communication system of system in particular to being used for the dynamic cinema special efficacy.

Background technology

Dynamic cinema is a kind of art of film form of expression that grows up on the basis of traditional cinema, it is on the basis of the vision of traditional cinema and hearing enjoying, multidimensional seat and environment special effect device have been increased, be equipped with special, exaggeration, irritating effect with surreal visual experience and show synchronously, arrange to imitate actual event with scene and the special office of emulation.Along with the story of a play or opera changes, spectators not only can " touch " object in the film, can also experience rainy, blow, lightning, snow, sweep scenes such as leg, bubble, smell, smog, make spectators on the spot in person, very witty.Vision, the sense of hearing, sense of smell, sense of touch and innervation are ideally combined together.

The technical scheme that currently marketed dynamic cinema seat special efficacy control system, seat drive mainly comprises: pneumatic, surge and electronic.The seat of pneumatic control scheme moves very simple coarse; The maintenance of the control scheme of surging and maintenance be trouble very; Electronic scheme is especially used the electronic scheme of driven by servomotor, and it is fine and smooth to have an action, use reliable, advantages such as easy maintenance.

Yet, at the scheme of above-mentioned various controls, ethernet communication scheme does not preferably appear at present as yet, can realize that the dynamic cinema special efficacy broadcasts in the process the upper computer and multidimensional seat and environment special efficacy broadcast and broadcast high-efficiency reliable information interaction between the equipment.

Therefore, need a kind of new ethernet communication technology, can realize that the dynamic cinema special efficacy broadcasts the equipment room communication of system, broadcast and the operation monitoring of special efficacy action command, failure diagnosis etc. are realized in high efficient and reliable ground.

Summary of the invention

The present invention just is being based on the problems referred to above, has proposed a kind of new ethernet communication technology, can realize that the dynamic cinema special efficacy broadcasts the equipment room communication of system, and broadcast and the operation monitoring of special efficacy action command, failure diagnosis etc. are realized in high efficient and reliable ground.

In view of this, the present invention proposes a kind of ethernet communication method of broadcasting system for the dynamic cinema special efficacy, the described dynamic cinema special efficacy system of broadcasting comprises that broadcasting host computer and at least one broadcasts device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, described ethernet communication method comprises: specify and broadcast device controller to described industry ethernet transmission Ethernet active report message frame, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively; The described host computer of broadcasting receives initiatively report message frame of described Ethernet from described industry ethernet, and carries out corresponding operation according to the described type of message sign in the described Ethernet active report message frame.

In this technical scheme, broadcast device controller and be for to broadcasting the equipment that equipment (multidimensional seat and environment special efficacy as dynamic cinema are broadcast equipment) is controlled, can be according to receiving from the control command of broadcasting host computer, special efficacy is broadcast process thereby the equipment realization is broadcast in control.Broadcast device controller and can also obtain current real-time status information voluntarily, and initiatively report to by the Ethernet message frame and to broadcast host computer, recognize the real-time status of broadcasting device controller thereby be convenient to broadcast host computer, in time find and handling failure.For the Ethernet message frame that this class is initiatively reported, can be regularly to trigger to schedule to send, also can be to be sent by Event triggered, as the event etc. that breaks down.

In technique scheme, preferably, described appointment is broadcast device controller and is also carried operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, described operated object mark is the sign that the appointment register in the device controller is broadcast in described appointment, the data of described data parameters for obtaining from described appointment register; And when the described Ethernet of described type of message sign expression when initiatively the report message frame be the message frame of initiatively Report Type, the described host computer of broadcasting is carried out corresponding operation and is comprised and preserve the described data parameters that comprises in the described Ethernet active report message frame.

In this technical scheme, the register that indicates data parameters by operated object mark is originated, and such as from status register, wherein comprises the state information that this broadcasts the equipment of broadcasting of device controller or correspondence.Data parameters comprises concrete data, such as concrete state information; Can also specifically indicate these concrete data residing position in register in the data parameters, such as by indicating initial address and the data length of data in register.By indicating the residing register of data parameters, or the particular location in register, thereby when breaking down, be convenient to broadcast host computer and make and control exactly and adjust, in time eliminate fault.

In technique scheme, preferably, described appointment is broadcast device controller and is also set up the application controls territory, uses processor territory and application data territory at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign is arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In this technical scheme, by having set up the application controls territory, having used processor territory and application data territory, thereby correspondingly place control information, object information and data message, thereby be convenient to all kinds of parameters or sign are managed, and be convenient to the generation of this Ethernet active report message frame and the processing of resolving.

In technique scheme, preferably, described appointment is broadcast device controller and also carry message affirmation sign and message encryption sign in described application controls territory, described message confirms that the recipient who identifies for described Ethernet active report message frame confirms described Ethernet active report message frame, and described message encryption sign is for described Ethernet active report message frame is encrypted processing.

In this technical scheme, by message recipient (namely broadcasting host computer here) message frame that receives is confirmed, thereby guaranteed the initiatively accurate transmission of report message frame of Ethernet.By the encryption of message frame, thereby guaranteed the initiatively transmission security of report message frame of Ethernet; And by not adopting unified encryption and decryption mode, but between designated equipment the independent key of consulting encryption and decryption, even if other equipment of making have obtained this message frame, but can't correctly decipher, can guarantee the initiatively accurate transmission of report message frame of Ethernet equally.

According to another aspect of the invention, a kind of ethernet communication system has also been proposed, comprise industry ethernet, and broadcast host computer and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, appointment is broadcast device controller and is comprised: the message frame generation unit, be used for generating initiatively report message frame of Ethernet, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively; The message frame transmitting element is used for sending initiatively report message frame of Ethernet to described industry ethernet; The described host computer of broadcasting comprises: the message frame receiving element is used for receiving initiatively report message frame of described Ethernet from described industry ethernet; The message frame processing unit is used for according to the initiatively corresponding operation of described type of message sign execution of report message frame of described Ethernet.

In this technical scheme, broadcast device controller and be for to broadcasting the equipment that equipment is controlled, can be according to receiving from the control command of broadcasting host computer, thus control is broadcast equipment and is realized that special efficacy broadcasts process.Broadcast device controller and can also obtain current real-time status information voluntarily, and initiatively report to by the Ethernet message frame and to broadcast host computer, recognize the real-time status of broadcasting device controller thereby be convenient to broadcast host computer, in time find and handling failure.For the Ethernet message frame that this class is initiatively reported, can be regularly to trigger to schedule to send, also can be to be sent by Event triggered, as the event etc. that breaks down.

In technique scheme, preferably, described message frame generation unit also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, described operated object mark is the sign that the appointment register in the device controller is broadcast in described appointment, the data of described data parameters for obtaining from described appointment register; And described message frame processing unit represents in described type of message sign under the situation of the message frame that described Ethernet active report message frame is the active Report Type that corresponding operation of execution comprises the described data parameters that comprises in the described Ethernet active of the preservation report message frame.

In technique scheme, preferably, described message frame generation unit is also set up the application controls territory, is used processor territory and application data territory at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign is arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In technique scheme, preferably, described message frame generation unit also carries message and confirms sign and message encryption sign in described application controls territory, described message confirms that the recipient who identifies for described Ethernet active report message frame confirms described Ethernet active report message frame, and described message encryption sign is for described Ethernet active report message frame is encrypted processing.

The invention allows for a kind of ethernet communication method of broadcasting system for the dynamic cinema special efficacy, the described dynamic cinema special efficacy system of broadcasting comprises that broadcasting host computer and at least one broadcasts device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, described ethernet communication method comprises: the described host computer of broadcasting sends the Ethernet message frame to described industry ethernet, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign; The one or more device controllers of broadcasting that are used as operand receive described Ethernet message frame from described industry ethernet, and carry out corresponding operation according to the described type of message sign in the described Ethernet message frame.

In this technical scheme, be to send the Ethernet message frame by broadcasting host computer to broadcasting device controller, receive the control of broadcasting of broadcasting device controller of Ethernet message frame thereby achieve a butt joint.Wherein, the device controller of broadcasting that receives above-mentioned Ethernet message frame can be of appointment, also can be a plurality of (as broadcasting in the rectangle square formation that equipment forms a plurality of of appointment, specify a plurality of controllers of broadcasting the equipment correspondence of certain delegation or a certain row), can also be all device controllers of broadcasting, thereby realize the transmission of clean culture, multicast or broadcast message frame.

In technique scheme, preferably, the described host computer of broadcasting also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet message frame, the corresponding operation of device controller execution of broadcasting that then receives described Ethernet message frame comprises: when the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, reads the data corresponding to described data storage location; When the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location; When the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller need control of described Ethernet message frame, what then receive described Ethernet message frame broadcasts device controller according to the device type of broadcasting of described operated object mark correspondence, carries out the described instruction of broadcasting.

In this technical scheme, by different instructions is set in the Ethernet message frame, just can carry out different control to broadcasting device controller, thereby final the realization: 1) state information reads, thereby broadcast device controller by broadcasting the host computer active monitoring, realize the active investigation to its fault; 2) the reading or writing of parameter information, control are broadcast operation and the parameter thereof of device controller and are upgraded; 3) writing of command information realized broadcasting the control of equipment accordingly, makes multidimensional seat move and the environment special efficacy is broadcast the displaying that equipment carries out the environment special efficacy.Wherein, when needs carry out read or write to register, should indicate the concrete register that needs operation, and the position of the data that need read in this register, or need be in the data that where write of this register, particularly, can indicate by the mode of " initial address+data length ".

In technique scheme, preferably, the described host computer of broadcasting also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller; Appointment broadcast device controller when replying described Ethernet message frame, generate the corresponding response message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient's sign, and described sign of broadcasting host computer is identified as described recipient.

In this technical scheme, by broadcasting the response that host computer sends the Ethernet message frame and broadcasts device controller, realized " question and answer " or " broadcasting question and answer " (namely sending under the situation of Ethernet message frame when all are broadcast device controller) process, certainly, if the Ethernet message frame is for carrying out read register when operation to broadcasting device controller, should comprising the data in the register that reads in the response message frame of answer; If the Ethernet message frame then should comprise the descriptor for the implementation status of corresponding operating or instruction for writing register manipulation or be used for sending controling instruction broadcasting device controller in the response message frame of Hui Fuing.

In technique scheme, preferably, described appointment is broadcast device controller and is also set up the application controls territory at the User Datagram Protoco (UDP) data division of described Ethernet message frame, uses processor territory and application data territory, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign and described answer person sign are arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In this technical scheme, by having set up the application controls territory, having used processor territory and application data territory, thereby correspondingly place control information, object information and data message, thereby be convenient to all kinds of parameters or sign are managed, and be convenient to the generation of this Ethernet message frame and the processing of resolving.

In technique scheme, preferably, described appointment is broadcast device controller and also carry message affirmation sign and message encryption sign in described application controls territory, described message is confirmed to identify the recipient who is used for described Ethernet message frame described Ethernet message frame is confirmed, described message encryption sign is used for described Ethernet message frame is encrypted processing.

In this technical scheme, by message recipient (namely broadcasting host computer here) message frame that receives is confirmed, thereby guaranteed the accurate transmission of Ethernet message frame.By the encryption of message frame, thereby guaranteed the transmission security of Ethernet message frame; And by not adopting unified encryption and decryption mode, but between designated equipment the independent key of consulting encryption and decryption, even if other equipment of making have obtained this message frame, but can't correctly decipher, can guarantee the accurate transmission of Ethernet message frame equally.

In technique scheme, preferably, the device controller of broadcasting of described appointment also carries sign as a result at the User Datagram Protoco (UDP) data division of described response message frame, and described sign as a result is used to indicate the operating result after device controller is operated according to described Ethernet message frame broadcast of described appointment.

In this technical scheme, when broadcasting device controller and carrying out corresponding operating according to the Ethernet message frame that receives, owing to reason such as the operating position of appointment does not exist, data are overflowed, might not operate success, therefore, need in response message frame, indicate current operational circumstances, be convenient to broadcast host computer and in time go and find out what's going on and make adjustment.Also by in response message frame, adding the error reason sign, in time adjust thereby further be convenient to broadcast host computer.

In technique scheme, preferably, described sign as a result is described type of message sign or independently identifies, wherein, when described sign as a result is first value, represent that described operating result is successfully, when described sign as a result is second value, represent that described operating result is failure; Wherein, when described operating result was failure, the device controller of broadcasting of described appointment also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.

In this technical scheme, can adopt special sign to indicate the success or not of operating result, also can adopt as existing signs such as type of message signs, thereby reduce data volume, be convenient to improving data transmission efficiency.Also by the indication failure cause, be convenient to broadcast host computer and in time adjust.

The invention allows for a kind of ethernet communication system, comprise industry ethernet, and broadcast host computer and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, the described host computer of broadcasting comprises: the message frame generation unit, be used for generating the Ethernet message frame, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign; The message frame transmitting element is used for sending described Ethernet message frame to described industry ethernet; Each described device controller of broadcasting that is used as operand comprises: the message frame receiving element is used for receiving described Ethernet message frame from described industry ethernet; The message frame processing unit is used for carrying out corresponding operation according to the described type of message sign of described Ethernet message frame.

In technique scheme, preferably, described message frame generation unit also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet message frame; Described message frame processing unit is carried out corresponding operation and is comprised: when the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit reads the data corresponding to described data storage location in the register of described operated object mark correspondence; When the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit is in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location; When the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller need control of described Ethernet message frame, then described message frame processing unit is carried out the described instruction of broadcasting according to the device type of broadcasting of described operated object mark correspondence.

In technique scheme, preferably, described message frame generation unit also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller; Each the described device controller of broadcasting that need reply described Ethernet message frame also comprises: the response message frame generation unit, generation is corresponding to the response message frame of described Ethernet message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient's sign, and described sign of broadcasting host computer is identified as described recipient.

In technique scheme, preferably, described message frame generation unit is also set up the application controls territory at the User Datagram Protoco (UDP) data division of described Ethernet message frame, is used processor territory and application data territory, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign and described answer person sign are arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In technique scheme, preferably, described message frame generation unit also carries message and confirms sign and message encryption sign in described application controls territory, described message is confirmed to identify the recipient who is used for described Ethernet message frame described Ethernet message frame is confirmed, described message encryption sign is used for described Ethernet message frame is encrypted processing.

In technique scheme, preferably, described response message frame generation unit also carries sign as a result at the User Datagram Protoco (UDP) data division of described response message frame, and described sign as a result is used to indicate the described described operating result of broadcasting after device controller is operated according to described Ethernet message frame that needs to reply described Ethernet message frame.

In this technical scheme, when broadcasting device controller and carrying out corresponding operating according to the Ethernet message frame that receives, owing to reason such as the operating position of appointment does not exist, data are overflowed, might not operate success, therefore, need in response message frame, indicate current operational circumstances, be convenient to broadcast host computer and in time go and find out what's going on and make adjustment.Can also in response message frame, add the error reason sign, in time adjust thereby further be convenient to broadcast host computer.

In technique scheme, preferably, described sign as a result is described type of message sign or independently identifies, wherein, when described sign as a result is first value, represent that described operating result is successfully, when described sign as a result is second value, represent that described operating result is failure; Wherein, when described operating result was failure, described response message frame generation unit also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.

In this technical scheme, can adopt special sign to indicate the success or not of operating result, also can adopt as existing signs such as type of message signs, thereby reduce data volume, be convenient to improving data transmission efficiency.Also by in response message frame, adding the error reason sign, in time adjust thereby further be convenient to broadcast host computer.

By above technical scheme, can realize that the dynamic cinema special efficacy broadcasts the equipment room communication of system, broadcast and the operation monitoring of special efficacy action command, failure diagnosis etc. are realized in high efficient and reliable ground.

Description of drawings

Fig. 1 shows according to an embodiment of the invention the dynamic cinema special efficacy and broadcasts the structural representation of system;

Fig. 2 shows the flow chart of broadcasting the ethernet communication method of system for the dynamic cinema special efficacy according to an embodiment of the invention;

Fig. 3 shows the block diagram of broadcasting the ethernet communication system of system for the dynamic cinema special efficacy according to an embodiment of the invention;

The dynamic cinema special efficacy that is used for that Fig. 4 shows is according to another embodiment of the invention broadcast the flow chart of the ethernet communication method of system;

The dynamic cinema special efficacy that is used for that Fig. 5 shows is according to another embodiment of the invention broadcast the block diagram of the ethernet communication system of system.

Embodiment

In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.Need to prove that under the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.

Set forth a lot of details in the following description so that fully understand the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not limited to the restriction of following public specific embodiment.

One, communication framework

The involved dynamic cinema special efficacy of the application is broadcast system, comprise that broadcasting host computer and at least one broadcasts device controller (can be referred to as MBOX among the application), broadcasting device controller is for multidimensional seat and environment special efficacy are broadcast the device that equipment is controlled.Wherein, describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, particularly, ethernet data communication adopts the UDP communications protocol, and the structure of the Ethernet message frame under this agreement is as shown in table 1:

Table 1

Wherein, there is respective standard in the concrete structure of mac frame head, IP frame head, UDP frame head and mac frame verification sequence, specifically shown in table 2-table 5:

Table 2

Table 3

Table 4

MAC?Frame?Check?Sequence(4Bytes)
	$.$.$.$

Table 5

Need to prove, because the existence of mac frame head, IP frame head, UDP frame head etc., therefore, can pass through one or more in MAC Address, IP address and the user-defined UDP source/destination port number, carry out the transmission of the application's Ethernet message frame, particularly, such as defining: when MAC Address is 6 FF entirely, the broadcasting of expression physical address; When IP section address is 4 FF, the broadcasting of presentation logic address.By above-mentioned addressing system, thereby in the process of the mutual and broadcasting that realizes point-to-point, point-to-multipoint, avoid the generation of situations such as destination object mistake or confusion as much as possible, make message frame transmission in time and accurately.

But the description based on table 1-table 5, there has been corresponding construction standard in the major part of Ethernet message frame, but for the UDP message part, there is not concrete standard definition, therefore, the application is by definition and design to the UDP message part, thereby realization dynamic cinema special efficacy is broadcast the data transmission procedure of system.

Two, the UDP message part of Ethernet message frame

In this application, the UPD data division of Ethernet message frame specifically is divided into 3 subdomains, be respectively: application controls territory (App Control Field), use processor territory (App Who Filed) and application data territory (App Data Field), specifically as shown in table 6:

Table 6

(1) application controls territory

The application controls territory is mainly used in the UDP message message is carried out: function is selected (Function Code), object channel selecting (Object Channel); Simultaneously, in order to ensure transmission accuracy and the fail safe of Ethernet message frame, can also realize confirming (Confirm Code) and encrypt (Pass Code) function.Particularly, as shown in table 7 below for the structure in application controls territory:

Table 7

(2) use the processor territory

Use the processor territory and then be used for the recipient of this Ethernet message frame of sign, and how the recipient should handle, concrete structure is as shown in table 8:

Table 8

Wherein, other forms among table 8(and the application) $ in is used for representing that the data ， $.$ of 1 byte represents the data of 2 bytes, all the other and the like.

General, the Who Accept coding of using the processor territory is used for confirming the recipient of this message, the expression row is selected with the position of row.Particularly, such as broadcasting equipment when multidimensional seat and the environment special efficacy of a plurality of MBOX(and correspondence) arrange when forming a rectangle square formation, then when WhoAccept was encoded to ff.ff, expression received entirely; During for xx.ff: the expression row receive; During for ff.xx: the expression row receives; During for xx.yy: the expression point receives; Be, in broadcasting the message (Ethernet message frame) that host computer sends, be expressed as and receive that the message that sends at the MBOX slave station is represented only need broadcast the computer main website and received at 00.00 o'clock.

General, the Who Reply coding of using the processor territory is used for confirming the respondent of this message, the expression row is selected with the position of row.Be example with the rectangle square formation that forms equally, when Who Reply was encoded to ff.ff, expression was replied entirely; During for xx.ff: the expression row are replied; During for ff.xx: Num represents to go to reply; During for xx.yy: the expression point is replied; Be 00.00 o'clock, expression needn't be replied.

By in using the processor territory, adding the positional information of different row and columns, especially when a plurality of MBOX constitute matrix, can realize broadcasting host computer to MBOX in " entirely " mode, " OK " mode, " row " mode, and question-answering mode or the broadcast mode information interaction of " point " mode.

(3) application data territory

Store different data messages in the application data territory, by with the application controls territory in the jointly controlling of function selection, object channel selecting etc., can realize final data transmission and control function.

Owing to relate to the operations such as reading and writing to register, thereby the register that may relate to the application describes.

Register type	Attribute register
		Status register	Read-only register

Parameter register	Read-write register
		Command register	Write-only register

Table 9

As shown in table 9, may relate to status register (DX), parameter register (FX) and command register (CX) three classes among the application's the MBOX, wherein, status register is read-only register, be merely able to by the MBOX active or after receiving the order of broadcasting host computer, therefrom the reading state parameter; Parameter register is read-write register, can therefrom read existing operational factor by the MBOX active or after receiving the order of broadcasting host computer, also can be to wherein writing operational factor or existing operational factor being upgraded; Command register is write-only register, by MBOX after receiving the order of broadcasting host computer, to wherein writing operating instruction, the operation of broadcasting equipment with control multidimensional seat and environment special efficacy.

Fig. 1 shows the dynamic cinema special efficacy of a kind of embodiment and broadcasts system.

As shown in Figure 1, a kind ofly according to an embodiment of the invention broadcast system for the dynamic cinema special efficacy, comprise and broadcast host computer 102 and at least one multidimensional seat (not shown), each or a plurality of multidimensional seat are corresponding to a cover dynamic cinema seat control system 104, the core of this control system 104, be at least one and broadcast device controller (being MBOX) 1040, and the described host computer 102 of broadcasting passes through Ethernet switch (as the wired mode route of Ethernet, WiFi wireless mode route, the electric power networks router), realize the industry ethernet communication with MBOX1040.

Particularly, such as the MBOX1040 for seat i correspondence, it is used for realizing the environment special efficacy of seat I is controlled and the control of seat special efficacy, wherein, the control of environment special efficacy comprises by the DO on the MBOX1040, DAC and DI interface, be connected to the environment special efficacy respectively and broadcast the equipment (not shown), realize functions such as corresponding numeral output, simulation output and numeral input; The control of seat special efficacy comprises that broadcasting the equipment (not shown) by the CAN bus interface on the MBOX1040 and seat special efficacy is connected, and realizes the seat special efficacy is broadcast the control of the devices such as servo-driver in the equipment by this CAN bus.

MBOX1040 can also be by being connected with the direct of peripheral hardwares such as touch-screen, computer as interface realizations such as RS232 or USB, or pass through as realizations such as keyboard and display interfaces to the keyboard demonstration of outside etc., closely goes up the debugging control of this MBOX etc. thereby be implemented in.

In application, each MBOX is used for control one cover seat and environment special efficacy thereof.For convenient by Ethernet control, each MBOX distribute one ID number, represent with the IP address of Ethernet for this ID number, such as 192.168.1.100.Communication ethernet communication method in this paper is applied in the multidimensional seat of 3 driven by servomotor of a configuration and 12 kinds of environment special effect devices and verifies.Broadcast X, Y, Z shaft position and velocity information that host computer can obtain each seat in real time, and when breaking down, obtain diagnostic trouble code; Can read the running status of MBOX, the read-write MBOX operation and control parameter, control MBOX startup and stop, providing and realize X, the Y of seat, the Position Control of Z in real time, and realize multiple environment special efficacy by digital quantity and analog quantity.Actual test and use show that these means of communication can realize that jumbo the broadcasting of high efficient and reliable monitors and control.

Broadcast system based on dynamic cinema special efficacy as shown in Figure 1, the application has proposed following ethernet communication method and communication system thereof:

1, MBOX active reporting state information

Fig. 2 shows the flow chart that initiatively sends the means of communication of Ethernet message frame according to MBOX of the present invention.

As shown in Figure 2, this ethernet communication method comprises: step 202, appointment is broadcast device controller and is sent initiatively report message frame of Ethernet to described industry ethernet, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively; Step 204, the described host computer of broadcasting receives initiatively report message frame of described Ethernet from described industry ethernet, and carries out corresponding operation according to the described type of message sign in the described Ethernet active report message frame.

Based on above-mentioned technical characterictic and scheme, the form of the UDP message part in the Ethernet active report message frame that MBOX sends is as shown in table 10 below:

Table 10

Certainly, in order to keep the consistency of Ethernet active report message frame on data format based on the application, though the message frame that MBOX initiatively reports generally can't indicate answer person, but still can in using the processor territory, comprise as the acknowledgement messaging person (Who Reply), but can in fact not indicate concrete respondent with expression by filling in as " None ".

Simultaneously, in the table 10 as in " Function Code " row, comprised “ $.$ " and " 0x1001 ", wherein, “ $.$ " be used for showing number of characters herein, and " 0x1001 " is the numerical value of a concrete function selection code; But in the actual transmissions process, can't exist to comprise “ $.$ " this numerical value, and the numerical value of " 0x1001 " also can arrange as the case may be.Situation and above-mentioned situation in other row are similar, give unnecessary details no longer one by one.

In addition, from " Object Channel " as can be seen, when its value is 0, show it is to have read state parameter in the DX register from MBOX, and in the application data territory, the initial address of state parameter in the DX register that " Reg Start Address " expression is read, the data length of the state parameter that " Reg Num " expression is read, the state parameter that " Reg Data " expression is specifically read.

Based on foregoing description, the application has also proposed corresponding ethernet communication system.As shown in Figure 3, this ethernet communication system 300, comprise industry ethernet, and broadcast host computer 304 and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller 302, and describedly broadcast host computer 304 and described at least one and broadcast device controller 302 and be connected to industry ethernet respectively and carry out communication, appointment is broadcast device controller 302 and is comprised: message frame generation unit 3022, be used for generating initiatively report message frame of Ethernet, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer 304, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively; Message frame transmitting element 3024 is used for sending initiatively report message frame of Ethernet to described industry ethernet; The described host computer 3024 of broadcasting comprises: message frame receiving element 3042 is used for receiving initiatively report message frame of described Ethernet from described industry ethernet; Message frame processing unit 3044 is used for according to the initiatively corresponding operation of described type of message sign execution of report message frame of described Ethernet.

In this technical scheme, broadcast device controller 302 and be for to broadcasting the equipment that equipment is controlled, can be according to receiving from the control command of broadcasting host computer 304, thus control is broadcast equipment and is realized that special efficacy broadcasts process.Broadcast device controller 302 and can also obtain current real-time status information voluntarily, and initiatively report to by the Ethernet message frame and to broadcast host computer 304, recognize the real-time status of broadcasting device controller 302 thereby be convenient to broadcast host computer 304, in time find and handling failure.For the Ethernet message frame that this class is initiatively reported, can be regularly to trigger to schedule to send, also can be to be sent by Event triggered, as the event etc. that breaks down.

In technique scheme, preferably, described message frame generation unit 3022 also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, described operated object mark is the sign that the appointment register in the device controller 302 is broadcast in described appointment, the data of described data parameters for obtaining from described appointment register; And described message frame processing unit 3044 represents in described type of message sign under the situation of the message frame that described Ethernet active report message frame is the active Report Type that corresponding operation of execution comprises the described data parameters that comprises in the described Ethernet active of the preservation report message frame.

In this technical scheme, the register that indicates data parameters by operated object mark is originated, and such as from status register, wherein comprises the state information that this broadcasts the equipment of broadcasting of device controller 302 or correspondence.Data parameters comprises concrete data, such as concrete state information; Can also specifically indicate these concrete data residing position in register in the data parameters, such as by indicating initial address and the data length of data in register.By indicating the residing register of data parameters, or the particular location in register, thereby when breaking down, be convenient to broadcast host computer 304 and make and control exactly and adjust, in time eliminate fault.

In technique scheme, preferably, described message frame generation unit 3022 is also set up the application controls territory, is used processor territory and application data territory at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign is arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In technique scheme, preferably, described message frame generation unit 3022 also carries message and confirms sign and message encryption sign in described application controls territory, described message confirms that the recipient who identifies for described Ethernet active report message frame confirms described Ethernet active report message frame, and described message encryption sign is for described Ethernet active report message frame is encrypted processing.

In this technical scheme, by message recipient (namely broadcasting host computer 304 here) message frame that receives is confirmed, thereby guaranteed the initiatively accurate transmission of report message frame of Ethernet.By the encryption of message frame, thereby guaranteed the initiatively transmission security of report message frame of Ethernet; And by not adopting unified encryption and decryption mode, but between designated equipment the independent key of consulting encryption and decryption, even if other equipment of making have obtained this message frame, but can't correctly decipher, can guarantee the initiatively accurate transmission of report message frame of Ethernet equally.

2, broadcasting host computer reads, writes information or data are broadcast in transmission to the register among the MBOX

Fig. 4 shows the host computer of broadcasting according to the present invention and reads, writes information or the flow chart of the means of communication of data is broadcast in transmission to the register among the MBOX.

As shown in Figure 4, this ethernet communication method comprises: step 402, broadcast host computer and send the Ethernet message frame to industry ethernet, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign; Step 404, the one or more device controllers of broadcasting that are used as operand receive described Ethernet message frame from described industry ethernet, and carry out corresponding operation according to the described type of message sign in the described Ethernet message frame.

Because the application has adopted the same Ethernet message frame based on udp protocol, therefore, when broadcasting host computer when broadcasting device controller and send message frame, employing is similar to the data-message structure shown in the table 10, and will be based on wherein operated object mark and data parameters different, realize corresponding reading and writing or the function of transmission command.

(1) read register

Particularly, when the Ethernet message frame that sends is when reading the register data among the MBOX, namely when the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, reads the data corresponding to described data storage location.The form of the UDP message part of concrete message frame is as shown in table 11 below:

Table 11

As seen, at first, receive and reply the device controller of broadcasting of this message frame from last table 11, the numerical value by " Who Accept " and " Who Reply " comes respectively to determine.

Secondly, when function selection code (type of message sign) when being 0x1101, show that this message frame is for the data of certain register that reads MBOX, particularly, the sign of this register determines by the value of object channel selecting sign indicating number, wherein, when object channel selecting sign indicating number is 0, read the data in the DX register, when object channel selecting sign indicating number is 1, read the data in the FX register.

Simultaneously, in the application data territory, also added initial address and the data length of the data that need read, and concrete " Reg Data " is that the register data part is by vacancy, for using the data that truly read to fill.

In addition, after MBOX has carried out corresponding register data read operation, if this MBOX also is required to make to reply, then need to reply corresponding response message frame to broadcasting host computer.With respect to the Ethernet message frame that receives shown in the table 11, in the response message frame that generates, need to upgrade type (being the numerical value of function selection code), recipient's sign, respondent's sign of this message frame, and the data that interpolation is specifically read are in " Reg Data ".A kind of situation is as shown in table 12:

Table 12

Can notice from table 12: in function selection code, 0x1102 represents " to reading correctly replying of register manipulation " (Read Reg Right Reply), shows that namely this MBOX has correctly carried out the read operation of broadcasting the host computer requirement.But when the indicated read operation of Ethernet message frame of broadcasting the host computer transmission can't be executed correctly, than register address as shown in table 11 do not exist, variety of issue such as data length does not exist, then MBOX should inform in the message frame of replying and broadcast host computer, particularly, Ci Shi response message frame can be as shown in table 13:

Table 13

Certainly, can also in response message frame, show it specifically is which kind of mistake or error reason, such as can realizing by the concrete numerical value of " function selection code ", represent that such as 0x1103 the initial address of the register that need read does not exist, 0x1104 represents that data length exceeds maximum magnitude; Perhaps the code of the corresponding error reason correspondence of writing direct etc. can also be passed through as shown in table 13 in " error code " (Error Code).

(2) write register

Particularly, when the Ethernet message frame that sends is when writing data for the register in MBOX, namely when the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location.The form of the UDP message part of concrete message frame is as shown in table 14 below:

Table 14

By contrast table 14 and table 11 as can be known, with read the similar ground of register data, when needs are carried out write operation in the register, at first, receive and reply the device controller of broadcasting of this message frame, the numerical value by " Who Accept " and " Who Reply " comes respectively to determine.

Secondly, when function selection code (type of message sign) when being 0x1201, show that this message frame is to write data for certain register to MBOX, particularly, the sign of this register determines by the value of object channel selecting sign indicating number, wherein, and when object channel selecting sign indicating number is 0, revise the data in the FX register, but do not carry out power down hold function (being FXm); When object channel selecting sign indicating number is 1, revises the data in the FX register, and carry out the power down hold function; When object channel selecting sign indicating number is 2, revises the data in the CX register, and carry out the power down hold function.

Simultaneously, in the application data territory, " Reg Start Address " need in the register to refer to the initial address that writes, " Reg Num " to refer to the data length that need write, and " Reg Data " is the data that specifically need write or instruction etc.

Similarly, after MBOX has carried out corresponding register data write operation, if this MBOX also is required to make to reply, then need to reply corresponding response message frame to broadcasting host computer.With respect to the Ethernet message frame that receives shown in the table 14, in the response message frame that generates, need to upgrade type (being the numerical value of function selection code), recipient's sign, respondent's sign of this message frame.

Situation when wherein, correctly replying is as shown in Table 15:

Table 15

Situation during wrong responses is shown in table 16:

Table 16

(3) data are broadcast in transmission

Particularly, when the Ethernet message frame that sends is when reading the register data among the MBOX, namely when the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller need control of described Ethernet message frame, what then receive described Ethernet message frame broadcasts device controller according to the device type of broadcasting of described operated object mark correspondence, carries out the described instruction of broadcasting.The UDP message part of concrete message frame is as shown in table 17 below:

Table 17

By contrast table 17 and table 11, table 14 as can be known, with read or write the similar ground of register manipulation, when needs are carried out write operation in the register, at first, receive and reply the device controller of broadcasting of this message frame, the numerical value by " Who Accept " and " Who Reply " comes respectively to determine.

Secondly, when function selection code (type of message sign) when being 0x1301, show that this message frame broadcasts data accordingly for transmitting to MBOX.Since may exist polytype special efficacy to broadcast equipment, as 3 servo seats, 6 servo seats; Or control polytype equipment of broadcasting simultaneously by same MBOX, therefore, need obtain the data of broadcasting of broadcasting the equipment correspondence.Particularly, dissimilarly broadcast broadcasting data and can determining by the value of object channel selecting sign indicating number of equipment correspondence, wherein, when object channel selecting sign indicating number is 0, show that the data of broadcasting in this message frame are the equipment of broadcasting corresponding to the Type1 type; When object channel selecting sign indicating number is 1, show that the data of broadcasting in this message frame are the equipment of broadcasting corresponding to the Type2 type, by that analogy.

MBOX is after receiving above-mentioned message frame, or carried out broadcast data accordingly after, or during broadcasting data and the current equipment of broadcasting and not matching in current data frame, then need return response message frame by MBOX and give and to broadcast host computer, resend the data of broadcasting of coupling with the situation of informing or by broadcasting host computer.

With respect to the Ethernet message frame that receives shown in the table 17, in the response message frame that generates, need to upgrade type (being the numerical value of function selection code), recipient's sign, respondent's sign of this message frame.

Situation when wherein, correctly replying is shown in table 18:

Table 18

Situation during wrong responses is shown in table 19:

Table 19

Broadcast in the technical scheme of data at above reading and writing register or transmission, by different instructions is set in the Ethernet message frame, just can carry out different control to broadcasting device controller, thereby final the realization: 1) state information reads, thereby broadcast device controller by broadcasting the host computer active monitoring, realize the active investigation to its fault; 2) the reading or writing of parameter information, control are broadcast operation and the parameter thereof of device controller and are upgraded; 3) writing of command information realized broadcasting the control of equipment accordingly, makes multidimensional seat move and the environment special efficacy is broadcast the displaying that equipment carries out the environment special efficacy.Wherein, when needs carry out read or write to register, should indicate the concrete register that needs operation, and the position of the data that need read in this register, or need be in the data that where write of this register, particularly, can indicate by the mode of " initial address+data length ".

Preferably, although in as table 11, table 14 and table 17(table 11, do not indicate concrete respondent, namely this sign can be vacancy) shown in the message frame structure in, the described host computer of broadcasting also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller; Appointment broadcast device controller when replying described Ethernet message frame, generate the corresponding response message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient's sign, and described sign of broadcasting host computer is identified as described recipient.

Preferably, although only need to comprise above-mentioned message or Function Identification gets final product, but among the application, described appointment is broadcast device controller and is also set up the application controls territory at the User Datagram Protoco (UDP) data division of described Ethernet message frame, uses processor territory and application data territory, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign and described answer person sign are arranged in described application processor territory, and described data parameters is arranged in described application data territory.

Preferably, described appointment is broadcast device controller and also carry message affirmation sign and message encryption sign in described application controls territory, described message is confirmed to identify the recipient who is used for described Ethernet message frame described Ethernet message frame is confirmed, described message encryption sign is used for described Ethernet message frame is encrypted processing.

Preferably, the device controller of broadcasting of described appointment also carries sign as a result at the User Datagram Protoco (UDP) data division of described response message frame, and described sign as a result is used to indicate the operating result after device controller is operated according to described Ethernet message frame broadcast of described appointment.

Preferably, described sign as a result is that described type of message identifies or independently identifies, wherein, when described sign as a result is first value, represent that described operating result is successfully, when described sign as a result is second value, represent that described operating result is failure; Wherein, when described operating result was failure, the device controller of broadcasting of described appointment also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.

Based on foregoing description, the application has also proposed corresponding ethernet communication system.As shown in Figure 5, this ethernet communication system 500, comprise industry ethernet, and broadcast host computer 502 and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller 504, and describedly broadcast host computer 502 and described at least one and broadcast device controller 504 and be connected to industry ethernet respectively and carry out communication, the described host computer 502 of broadcasting comprises: message frame generation unit 5022, be used for generating the Ethernet message frame, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller 504 that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign; Message frame transmitting element 5024 is used for sending described Ethernet message frame to described industry ethernet; Each described device controller 504 of broadcasting that is used as operand comprises: message frame receiving element 5042 is used for receiving described Ethernet message frame from described industry ethernet; Message frame processing unit 5044 is used for carrying out corresponding operation according to the described type of message sign of described Ethernet message frame.

In this technical scheme, be to send the Ethernet message frame by broadcasting host computer 502 to broadcasting device controller 504, receive the control of broadcasting of broadcasting device controller 504 of Ethernet message frame thereby achieve a butt joint.Wherein, the device controller 504 of broadcasting that receives above-mentioned Ethernet message frame can be of appointment, also can be a plurality of (as broadcasting in the rectangle square formation that equipment forms a plurality of of appointment, specify a plurality of controllers of broadcasting the equipment correspondence of certain delegation or a certain row), can also be all device controllers 504 of broadcasting, thereby realize the transmission of clean culture, multicast or broadcast message frame.

In technique scheme, preferably, described message frame generation unit 5022 also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet message frame; Described message frame processing unit 5044 is carried out corresponding operation and is comprised: when the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit 5044 reads the data corresponding to described data storage location in the register of described operated object mark correspondence; When the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit 5044 is in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location; When the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller 504 need control of described Ethernet message frame, then described message frame processing unit 5044 is carried out the described instruction of broadcasting according to the device type of broadcasting of described operated object mark correspondence.

In this technical scheme, by different instructions is set in the Ethernet message frame, just can carry out different control to broadcasting device controller 504, thereby final the realization: 1) state information reads, thereby broadcast device controller 504 by broadcasting host computer 502 active monitorings, realize the active investigation to its fault; 2) the reading or writing of parameter information, control are broadcast operation and the parameter thereof of device controller 504 and are upgraded; 3) writing of command information realized broadcasting the control of equipment accordingly, makes multidimensional seat move and the environment special efficacy is broadcast the displaying that equipment carries out the environment special efficacy.Wherein, when needs carry out read or write to register, should indicate the concrete register that needs operation, and the position of the data that need read in this register, or need be in the data that where write of this register, particularly, can indicate by the mode of " initial address+data length ".

In technique scheme, preferably, described message frame generation unit 5022 also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller; Each the described device controller 504 of broadcasting that need reply described Ethernet message frame also comprises: response message frame generation unit 5046, generation is corresponding to the response message frame of described Ethernet message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient's sign, and described sign of broadcasting host computer 502 is identified as described recipient.

In this technical scheme, by broadcasting the response that host computer 502 sends the Ethernet message frame and broadcasts device controller 504, realized " question and answer " or " broadcasting question and answer " (namely sending under the situation of Ethernet message frame when all are broadcast device controller) process, certainly, if the Ethernet message frame is for carrying out read register when operation to broadcasting device controller 504, should comprising the data in the register that reads in the response message frame of answer; If the Ethernet message frame then should comprise the descriptor for the implementation status of corresponding operating or instruction for writing register manipulation or be used for sending controling instruction broadcasting device controller 504 in the response message frame of Hui Fuing.

In technique scheme, preferably, described message frame generation unit 5022 is also set up the application controls territory at the User Datagram Protoco (UDP) data division of described Ethernet message frame, is used processor territory and application data territory, wherein, described type of message sign and described operated object mark are arranged in described application controls territory, described recipient's sign and described answer person sign are arranged in described application processor territory, and described data parameters is arranged in described application data territory.

In technique scheme, preferably, described message frame generation unit 5022 also carries message and confirms sign and message encryption sign in described application controls territory, described message is confirmed to identify the recipient who is used for described Ethernet message frame described Ethernet message frame is confirmed, described message encryption sign is used for described Ethernet message frame is encrypted processing.

In this technical scheme, by message recipient (namely broadcasting host computer 502 here) message frame that receives is confirmed, thereby guaranteed the accurate transmission of Ethernet message frame.By the encryption of message frame, thereby guaranteed the transmission security of Ethernet message frame; And by not adopting unified encryption and decryption mode, but between designated equipment the independent key of consulting encryption and decryption, even if other equipment of making have obtained this message frame, but can't correctly decipher, can guarantee the accurate transmission of Ethernet message frame equally.

In technique scheme, preferably, described response message frame generation unit 5046 also carries sign as a result at the User Datagram Protoco (UDP) data division of described response message frame, and described sign as a result is used to indicate the described described operating result of broadcasting after device controller 504 is operated according to described Ethernet message frame that needs to reply described Ethernet message frame.

In this technical scheme, when broadcasting device controller 504 and carrying out corresponding operating according to the Ethernet message frame that receives, owing to reason such as the message frame that the operating position of appointment does not exist, data are overflowed, receive is imperfect, might not operate success, therefore, need in response message frame, indicate current operational circumstances, be convenient to broadcast host computer 502 and in time go and find out what's going on and make adjustment.Can also in response message frame, add the error reason sign, in time adjust thereby further be convenient to broadcast host computer 502.

In technique scheme, preferably, described sign as a result is described type of message sign or independently identifies, wherein, when described sign as a result is first value, represent that described operating result is successfully, when described sign as a result is second value, represent that described operating result is failure; Wherein, when described operating result was failure, described response message frame generation unit 5046 also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.

More than be described with reference to the accompanying drawings technical scheme of the present invention, the present invention proposes ethernet communication method and the ethernet communication system of the system that broadcasts for the dynamic cinema special efficacy.Broadcast host computer can by ethernet switch hub and each independently multidimensional seat and the environment special efficacy controller (MBOX) of broadcasting equipment carry out information interaction, comprise that host computer reads the state information of MBOX, the parameter information of read-write MBOX, send special efficacy and broadcast control and action command, functions such as report MBOX running state information.These means of communication are used with reality after tested and are shown, can realize to high efficient and reliable broadcast and the operation monitoring of jumbo special efficacy action command, information interactions such as failure diagnosis.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. one kind is used for the ethernet communication method that the dynamic cinema special efficacy is broadcast system, the described dynamic cinema special efficacy system of broadcasting comprises that broadcasting host computer and at least one broadcasts device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, it is characterized in that described ethernet communication method comprises:

Appointment is broadcast device controller and is sent initiatively report message frame of Ethernet to described industry ethernet, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively;

The described host computer of broadcasting receives initiatively report message frame of described Ethernet from described industry ethernet, and carries out corresponding operation according to the described type of message sign in the described Ethernet active report message frame.

2. ethernet communication method according to claim 1, it is characterized in that, described appointment is broadcast device controller and is also carried operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, described operated object mark is the sign that the appointment register in the device controller is broadcast in described appointment, the data of described data parameters for obtaining from described appointment register;

When the described Ethernet of described type of message sign expression when initiatively the report message frame be the message frame of initiatively Report Type, the described host computer of broadcasting is carried out corresponding operation and is comprised and preserve the described data parameters that comprises in the described Ethernet active report message frame;

Described appointment is broadcast device controller and is also set up the application controls territory, uses processor territory and application data territory at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, wherein,

Described type of message sign and described operated object mark are arranged in described application controls territory, and described recipient's sign is arranged in described application processor territory, and described data parameters is arranged in described application data territory.

3. ethernet communication system, comprise industry ethernet, and broadcast host computer and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, it is characterized in that appointment is broadcast device controller and comprised:

The message frame generation unit, be used for generating initiatively report message frame of Ethernet, the described Ethernet initiatively User Datagram Protoco (UDP) data division of report message frame comprises recipient's sign and type of message sign, described recipient is designated described sign of broadcasting host computer, and the described Ethernet of value representation of described type of message sign is the function type of report message frame initiatively;

The message frame transmitting element is used for sending initiatively report message frame of Ethernet to described industry ethernet;

The described host computer of broadcasting comprises:

The message frame receiving element is used for receiving initiatively report message frame of described Ethernet from described industry ethernet;

The message frame processing unit is used for according to the initiatively corresponding operation of described type of message sign execution of report message frame of described Ethernet.

4. ethernet communication according to claim 3 system, it is characterized in that, described message frame generation unit also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, described operated object mark is the sign that the appointment register in the device controller is broadcast in described appointment, the data of described data parameters for obtaining from described appointment register;

Described message frame processing unit is represented in described type of message sign under the situation of the message frame that described Ethernet active report message frame is the active Report Type, carries out corresponding the operation and comprises the described data parameters that comprises in the described Ethernet active of the preservation report message frame;

Described message frame generation unit is also set up the application controls territory, is used processor territory and application data territory at the User Datagram Protoco (UDP) data division of described Ethernet active report message frame, wherein,

5. one kind is used for the ethernet communication method that the dynamic cinema special efficacy is broadcast system, the described dynamic cinema special efficacy system of broadcasting comprises that broadcasting host computer and at least one broadcasts device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, it is characterized in that described ethernet communication method comprises:

The described host computer of broadcasting sends the Ethernet message frame to described industry ethernet, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign;

The one or more device controllers of broadcasting that are used as operand receive described Ethernet message frame from described industry ethernet, and carry out corresponding operation according to the described type of message sign in the described Ethernet message frame.

6. ethernet communication method according to claim 5, it is characterized in that, the described host computer of broadcasting also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet message frame, and the corresponding operation of device controller execution of broadcasting that then receives described Ethernet message frame comprises:

When the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, reads the data corresponding to described data storage location;

When the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, what then receive described Ethernet message frame broadcasts device controller in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location;

When the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller need control of described Ethernet message frame, what then receive described Ethernet message frame broadcasts device controller according to the device type of broadcasting of described operated object mark correspondence, carries out the described instruction of broadcasting.

7. ethernet communication method according to claim 6, it is characterized in that, the described host computer of broadcasting also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller;

Appointment broadcast device controller when replying described Ethernet message frame, generate the corresponding response message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient sign and sign as a result, described sign of broadcasting host computer is identified as described recipient, and described sign as a result is used to indicate the operating result after device controller is operated according to described Ethernet message frame broadcast of described appointment;

Described sign as a result is described type of message sign or independently identifies, and wherein, when described sign as a result is first value, represents that described operating result is successfully, when described sign as a result is second value, represents that described operating result is failure;

Wherein, when described operating result was failure, the device controller of broadcasting of described appointment also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.

8. ethernet communication system, comprise industry ethernet, and broadcast host computer and at least one that are used for that the dynamic cinema special efficacy broadcasts broadcast device controller, and describedly broadcast host computer and described at least one and broadcast device controller and be connected to industry ethernet respectively and carry out communication, it is characterized in that

The described host computer of broadcasting comprises:

The message frame generation unit, be used for generating the Ethernet message frame, the User Datagram Protoco (UDP) data division of described Ethernet message frame comprises recipient's sign and type of message sign, described recipient is designated the one or more signs of broadcasting device controller that are used as operand, the function type of the described Ethernet message frame of value representation of described type of message sign;

The message frame transmitting element is used for sending described Ethernet message frame to described industry ethernet;

Each described device controller of broadcasting that is used as operand comprises:

The message frame receiving element is used for receiving described Ethernet message frame from described industry ethernet;

The message frame processing unit is used for carrying out corresponding operation according to the described type of message sign of described Ethernet message frame.

9. ethernet communication according to claim 8 system is characterized in that,

Described message frame generation unit also carries operated object mark and data parameters at the User Datagram Protoco (UDP) data division of described Ethernet message frame;

Described message frame processing unit is carried out corresponding operation and is comprised:

When the described Ethernet message frame of described type of message sign expression is the read register type, described data parameters is data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit reads the data corresponding to described data storage location in the register of described operated object mark correspondence;

When the described Ethernet message frame of described type of message sign expression when writing register type, described data parameters is data to be written and data storage location, described operated object mark is the sign of register to be operated, then described message frame processing unit is in the register of described operated object mark correspondence, and described data to be written are write space corresponding to described data storage location;

When the described Ethernet message frame of described type of message sign expression when broadcasting instruction type, described data parameters is for broadcasting instruction, the value representation of described operated object mark receives the type of broadcasting the equipment of broadcasting that device controller need control of described Ethernet message frame, then described message frame processing unit is carried out the described instruction of broadcasting according to the device type of broadcasting of described operated object mark correspondence.

10. ethernet communication according to claim 9 system is characterized in that,

Described message frame generation unit also carries answer person's sign at the User Datagram Protoco (UDP) data division of described Ethernet message frame, described answer person is designated the one or more signs of broadcasting device controller that need to reply described Ethernet message frame, and described answer person identifies and described recipient identifies corresponding to the identical or different sign of broadcasting device controller;

Each the described device controller of broadcasting that need reply described Ethernet message frame also comprises:

The response message frame generation unit, generation is corresponding to the response message frame of described Ethernet message frame, the User Datagram Protoco (UDP) data division of described response message frame comprises recipient sign and sign as a result, described sign of broadcasting host computer is identified as described recipient, and described sign as a result is used to indicate the described described operating result of broadcasting after device controller is operated according to described Ethernet message frame that needs to reply described Ethernet message frame;

Wherein, when described operating result was failure, described response message frame generation unit also carried the sign that is used to indicate failure cause at the User Datagram Protoco (UDP) data division of described response message frame.