CN115002173B - Distributed computing dimming method, system, equipment and storage medium based on Ethernet - Google Patents
Distributed computing dimming method, system, equipment and storage medium based on Ethernet Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention provides a distributed computing dimming method, a system, equipment and a storage medium based on Ethernet, wherein the method comprises the following steps: setting a control end cluster connected to the same Ethernet switch, and connecting and controlling the working state of the lamp group; the control end cluster comprises a host and at least one slave, wherein the host establishes a tree-shaped data summary table for storing the lighting data group and the calculation authority of the lamp nodes based on the connection relation of the middle lamps of the lamp group; the host matches the corresponding control end according to the lamp nodes in the calculation task and forwards the calculation task to the matched control end; the control end feeds back a tree-shaped data summary table after calculating the calculation task, and updates the illumination data set; and transmitting to the lamp group through the Ethernet switch and the decoder to update the working state. The invention can realize distributed computation by respectively taking charge of the computation task of partial channel parameters through the plurality of hosts, and simultaneously increase the number and computation capacity of the control end, thereby realizing the distributed computation.
Description
Technical Field
The present invention relates to the field of lighting control, and in particular, to a distributed computing dimming method, system, device and storage medium based on ethernet.
Background
In the stage lighting field, as the application scene is more and more abundant, the number of lamps required to be controlled by the control system is more and more, and higher requirements are put forward on the real-time computing capability of the control system. And a single host can limit the view angle for observing the light effect, so that the light debugging of a scene is inconvenient. The large control loop is needed by the professional stage dimming control console, the standard PC computer system is used for processing a large amount of control data to meet the requirement of high-speed data processing with large capacity by the existing large loop dimming control console (more than 2000 loops), so that the computer system based on the PC system is used as a main processing unit and is required to be managed by an operating system, such as DOS, windows and the like, meanwhile, storage devices such as a hard disk and the like are also configured, the system is too complex and expensive, the risk of virus invasion system breakdown exists, site performance is interrupted, and system faults are caused by the conditions that the existing PC system is provided with movable memory strips, CPU, hard disk, ISA and PCI slots, transportation, moisture, dust, connector oxidization and the like.
At present, the existing dimming control console cannot solve the problem of real-time detection data synchronization, so that troubles are brought to lamplight operators for analysis; furthermore, since the stage lighting control device has a large number of control units (i.e. data sources) such as push rod potentiometers, keys, etc. as replay tools (e.g. 2048 grid data is recorded in each push rod potentiometer), in the conventional control process, only any one tool needs to be operated, and all data in the stage lighting control device must participate in calculation, so that the whole operation data is large, and the operation is slow, which far exceeds the specified operation period, and the conventional development requirements cannot be met.
When the data required to be calculated in real time in the stage lighting system is larger and larger, the computing unit capacity of a single control device cannot be carried, and the computing units of other control devices are required to participate in calculation together. All control devices constitute an ethernet network, here referred to as distributed computing implemented by computing units within the ethernet network.
Therefore, the invention provides a distributed computing dimming method, a distributed computing dimming system, distributed computing dimming equipment and a storage medium based on Ethernet.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a distributed computing dimming method, a distributed computing dimming system, distributed computing dimming equipment and a distributed computing dimming storage medium based on Ethernet, which overcome the difficulty in the prior art, and can realize distributed computing by respectively taking charge of computing tasks of partial channel parameters through a plurality of hosts, and meanwhile, increase the quantity and computing capacity of control ends, so as to realize distributed computing.
The embodiment of the invention provides a distributed computing dimming method based on Ethernet, which comprises the following steps:
setting a control end cluster connected to the same Ethernet switch, wherein the Ethernet switch is connected with and controls the working state of the lamp group through the decoder group;
the control end cluster comprises a host and at least one slave, and the host establishes a tree-shaped data summary table for storing the lighting data set of the lamp nodes and the calculation authority based on the connection relation of the lamps in the lamp set;
when the host receives a calculation task, matching a corresponding control end according to a lamp node in the calculation task, and forwarding the calculation task to the matched control end;
the control end feeds back the tree-shaped data summary table after calculating the calculation task, and updates the corresponding lighting data set of the lamp nodes in the tree-shaped data summary table; and
and the lamp group updates the working state according to the updated illumination data group.
Preferably, the control end clusters of the same ethernet switch are connected to the ethernet switch, and the ethernet switch is connected to the control end clusters through the decoder set and controls the working state of the lamp set, and the method further includes:
The control end cluster comprises a host and at least one slave, and each host and/or slave comprises a processor module, and an input module, a storage module, a network module and a memory module which are connected with the processor module.
Preferably, the control end clusters of the same ethernet switch are connected to the ethernet switch, and the ethernet switch is connected to the control end clusters through the decoder set and controls the working state of the lamp set, and the method further includes:
each host, each slave in the control end cluster, each decoder in the decoder group and each lamp in the lamp group has a unique network address configured based on the Ethernet switch, and transmission interaction of instructions and dimming data is performed based on the network address.
Preferably, the control end cluster includes a master machine and at least one slave machine, the master machine establishes a tree-shaped data table for storing the lighting data set and the calculation authority of the lamp nodes based on the connection relation of the middle lamps of the lamp set, and the tree-shaped data table includes:
the control end cluster comprises a host and at least one slave, the host establishes a tree-shaped data table based on the connection relation of the lamps in the lamp group, each node in the tree-shaped data table stores a lighting data group of a lamp node and the calculation authority of the corresponding relation between the lamp node and a preset unique control end, and the lighting data group comprises a dimming parameter and a control element state parameter.
Preferably, when the host receives a computing task, matching a corresponding control end according to a luminaire node in the computing task, and forwarding the computing task to the control end in the matching, including:
when the host receives a calculation task, matching a corresponding control end in the tree-shaped data table according to a lamp node in the calculation task;
forwarding the calculation task to the control end in matching; and
and locking the lighting data set corresponding to the lamp node.
Preferably, the control end feeds back the tree-shaped data summary table after calculating the calculation task, and updates the corresponding lighting data set of the lamp node in the tree-shaped data summary table, including:
the control end calculates the calculation task, and updates the dimming parameter and the control element state parameter in the memory of the control end according to the calculation result;
the control end feeds back the calculation result to the tree-shaped data summary table;
unlocking the lighting data set corresponding to the lamp node according to the calculation result; and
and updating the dimming parameters and the control member state parameters in the corresponding lighting data sets of the lamp nodes in the tree data table.
Preferably, the transmitting to the lamp group through the ethernet switch and the decoder, the lamp group updating the working state according to the updated lighting data group, including:
transmitting the tree data summary table to the lamp group through the Ethernet switch and the decoder based on the updated tree data summary table; and
and the lamp group updates the working state according to the updated dimming parameters.
The embodiment of the invention also provides an ethernet-based distributed computing dimming system for implementing the above-mentioned ethernet-based distributed computing dimming method, where the ethernet-based distributed computing dimming system includes:
the control end cluster module is used for setting a control end cluster connected to the same Ethernet switch, and the Ethernet switch is connected with and controls the working state of the lamp set through the decoder set;
the control end cluster comprises a host and at least one slave, and the host establishes a tree-shaped data table for storing the lighting data group of the lamp nodes and the calculation authority based on the connection relation of the middle lamps of the lamp group;
the control end matching module is used for matching the corresponding control end according to the lamp nodes in the computing task when the host receives the computing task and forwarding the computing task to the control end in the matching;
The data set updating module is used for feeding back the tree-shaped data summary table after the control end calculates the calculation task and updating the lighting data set of the corresponding lamp node in the tree-shaped data summary table;
and the working state updating module is transmitted to the lamp group through the Ethernet switch and the decoder, and the lamp group updates the working state according to the updated illumination data group.
The embodiment of the invention also provides a distributed computing dimming device based on the Ethernet, which comprises:
a processor;
a memory having stored therein executable instructions of the processor;
wherein the processor is configured to perform the steps of the ethernet-based distributed computing dimming method described above via execution of the executable instructions.
Embodiments of the present invention also provide a computer-readable storage medium storing a program that when executed implements the steps of the ethernet-based distributed computing dimming method described above.
The invention aims to provide a distributed computing dimming method, a distributed computing dimming system, distributed computing dimming equipment and a distributed computing dimming storage medium based on Ethernet, which can realize distributed computing by enabling a plurality of hosts to be respectively responsible for computing tasks of partial channel parameters, and meanwhile, increase the number and computing capacity of control ends, so as to realize distributed computing.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
Fig. 1 is a flow chart of the ethernet-based distributed computing dimming method of the present application.
Fig. 2 is a schematic diagram of a system architecture in the ethernet-based distributed computing dimming method of the present application.
Fig. 3 is a schematic diagram of a master-slave architecture in the ethernet-based distributed computing dimming method of the present application.
Fig. 4 is a schematic diagram of a tree data table in the ethernet-based distributed computing dimming method of the present application.
Fig. 5 is a schematic block diagram of an ethernet-based distributed computing dimming system of the present application.
Fig. 6 is a schematic structural diagram of the ethernet-based distributed computing dimming device of the present application.
Fig. 7 is a schematic structural view of a computer-readable storage medium according to an embodiment of the present application.
Detailed Description
Other advantages and effects of the present application will be readily apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application by way of specific examples. The application may be practiced or carried out in other embodiments and with various details, and various modifications and alterations may be made to the details of the application from various points of view and applications without departing from the spirit of the application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The embodiments of the present application will be described in detail below with reference to the attached drawings so that those skilled in the art to which the present application pertains can easily implement the present application. This application may be embodied in many different forms and is not limited to the embodiments described herein.
In the context of the present description, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples, as well as features of various embodiments or examples, presented herein may be combined and combined by those skilled in the art without conflict.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the context of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
For the purpose of clarity of explanation of the present application, components that are not related to the explanation are omitted, and the same or similar components are given the same reference numerals throughout the description.
Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. In addition, when a certain component is said to be "included" in a certain device, unless otherwise stated, other components are not excluded, but it means that other components may be included.
When a device is said to be "on" another device, this may be directly on the other device, but may also be accompanied by other devices therebetween. When a device is said to be "directly on" another device in contrast, there is no other device in between.
Although the terms first, second, etc. may be used herein to connote various elements in some instances, the elements should not be limited by the terms. These terms are only used to distinguish one element from another element. For example, a first interface, a second interface, etc. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the language clearly indicates the contrary. The meaning of "comprising" in the specification is to specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but does not preclude the presence or addition of other features, regions, integers, steps, operations, elements, and/or components.
Although not differently defined, including technical and scientific terms used herein, all have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The term addition defined in the commonly used dictionary is interpreted as having a meaning conforming to the contents of the related art document and the current hint, so long as no definition is made, it is not interpreted as an ideal or very formulaic meaning too much.
Fig. 1 is a flow chart of the ethernet-based distributed computing dimming method of the present application. As shown in fig. 1, an embodiment of the present application provides an ethernet-based distributed computing dimming method, including the following steps:
S110, setting a control end cluster connected to the same Ethernet switch, wherein the Ethernet switch is connected with and controls the working state of the lamp group through the decoder group.
S120, the control end cluster comprises a host and at least one slave, and the host establishes a tree-shaped data summary table for storing the lighting data set of the lamp nodes and the calculation authority based on the connection relation of the lamps in the lamp set.
And S130, when the host receives the calculation task, matching the corresponding control end according to the lamp nodes in the calculation task, and forwarding the calculation task to the matched control end.
And S140, the control end feeds back a tree-shaped data summary table after calculating the calculation task, and updates the lighting data set of the corresponding lamp node in the tree-shaped data summary table.
S150, transmitting the updated illumination data set to the lamp set through the Ethernet switch and the decoder, and updating the working state of the lamp set according to the updated illumination data set.
After the invention is used, the distributed computation can be realized by the fact that the plurality of hosts are respectively responsible for the computation task of part of channel parameters, and meanwhile, the quantity and the computation capacity of the control end are increased, so that the distributed computation is realized. The light data are respectively and timely adjusted through the host computers and the slave computers arranged at different positions, and the light data are synchronously updated in all the data tables, so that the light adjustment is more flexible and convenient, the calculation power of the host computers and the slave computers can be fully utilized, the calculation power of a system is enhanced, the calculation period is shortened, the reaction speed of the overall adjustment of the light is improved, and the requirements of the current stage development are met.
In a preferred embodiment, in step S110, further comprising: the control end cluster comprises a host and at least one slave, and each host and/or slave comprises a processor module, and an input module, a storage module, a network module and a memory module which are connected with the processor module, but the control end cluster is not limited to the host and the slave.
In a preferred embodiment, in step S110, further comprising:
each host, each slave, each decoder in the decoder set, each lamp in the lamp set in the control end cluster has a unique network address configured based on the ethernet switch, and performs transmission interaction of instructions and dimming data based on the network address, but not limited to the network address.
In a preferred embodiment, in step S120, it includes:
the control end cluster comprises a host and at least one slave, the host establishes a tree-shaped data table based on the connection relation of the middle lamps of the lamp group, each node in the tree-shaped data table stores a lighting data group of a lamp node and the calculation authority of the corresponding relation between the lamp node and a preset unique control end, and the lighting data group comprises a dimming parameter and a control element state parameter, but the method is not limited to the method. After the invention is used, the synchronization method of the state of the sensor encoder/push rod type control device is as follows: the light operator operates the data input unit of A, the business logic and the calculation unit of A record the state of the device, the input unit is connected with A through the industrial bus, including but not limited to CAN/RS485/RS232 and other data transmission protocols, specifically adding/deleting/changing objects and values, fluidization treatment, dropping into the network, and after the rest B/C/D. In fact, what we called hot backup is synchronization including a control device inputting a data unit, for example, a is currently a host, a user is controlling through a, a sudden a failure occurs, B takes over the work to become the host, at this time, the user continues to operate through B, the content of the operation is definitely to continue "power-off" start when a failure occurs, if the control device of B is not synchronized with a in real time, a sudden change of data occurs when the user starts to operate B to control, and a control instruction is caused to be wrong. In particular, for example, the electric push rod is used as a potentiometer, one of the functions is to control the brightness of the lamplight, for example, the lamp A is controlled to 100%, the lamp A breaks down at the moment, the lamp B takes over, if the electric push rod of the lamp B is above 0%, and if the electric push rod of the lamp B is not synchronized to 100%, an error command is sent, so that the state of the control device is required to be synchronized in real time.
In a preferred embodiment, in step S130, it includes:
s131, when the host receives the calculation task, matching the corresponding control end in the tree-shaped data table according to the lamp nodes in the calculation task.
S132, forwarding the calculation task to a matched control end. And
s133, locking the lighting data set corresponding to the lamp node. At this time, the data is prevented from being sent outwards until the control end responsible for calculating the node finishes calculating and updating the data, and the consistency and accuracy of the data in the distributed calculation process are ensured, but the method is not limited to the method.
In a preferred embodiment, in step S140, it includes:
and S141, the control end calculates the calculation task, and updates the dimming parameter and the control element state parameter in the memory of the control end according to the calculation result.
S142, the control end feeds back the calculation result to the tree-shaped data summary table.
S143, unlocking the lighting data set corresponding to the lamp node according to the calculation result. And
s144, updating the dimming parameters and the control member state parameters in the lighting data sets of the corresponding luminaire nodes in the tree data table, but not limited to the above.
In a preferred embodiment, in step S150, it includes:
s151, transmitting the updated tree data table to the lamp group through the Ethernet switch and the decoder. And
s152, the lamp set updates the working state according to the updated dimming parameters, but not limited to the above.
The specific embodiments of the present invention are as follows:
fig. 2 is a schematic diagram of a system architecture in the ethernet-based distributed computing dimming method of the present invention. Fig. 3 is a schematic diagram of a master-slave architecture in the ethernet-based distributed computing dimming method of the present invention. As shown in fig. 2 and 3, a control end cluster connected to the same ethernet switch is provided, and the ethernet switch is connected to and controls the working state of the lamp group through the decoder group. The control end cluster comprises a host 2 and a plurality of slaves 31, 32 … … N, and each host and/or slave comprises a processor module 21, an input module 22 connected with the processor module 21, a storage module 23, a network module 24 and a memory module 25. The network module is connected with the Ethernet switch 2, the memory module establishes a tree-shaped data sub-table based on the connection relation of the lamps in the lamp group, and each node in the tree-shaped data sub-table stores the illumination data group of a lamp node. In the present embodiment, the host 2: the input data of the user is processed, calculated in real time and output, and the input data comprises a processor module 21, an input module 22, a storage module 23, a network module 24, a memory module 25 and the like, wherein the input module 22 is connected to the processor through various data protocols and CAN be an industrial bus CAN, RS485, USB, bluetooth and the like. The processor module 21 receives the input data, calculates it, and outputs it through the network module. The storage module 23, the network module 24, the memory module 25, etc. may be external or integrated in the process. Slave machine: the function is the same as the host and the configuration may be the same or different. Decoder groups 41, 42, 43: the data in the network are decoded to obtain DMX512 data, and the DMX512 data are output to the lamps 21, 32, 33, 34, 35, 36, … … 3M, 3N, 3P in each lamp group. The above devices constitute an ethernet (master-slave, decoder) responsible for the computation of the data and the transmission in the ethernet. The master and the slave can be independently operated and controlled, the master is one, the slave can be multiple, the master and the slave are in a logical relationship rather than a physical relationship, and a user can self-define the master and the slave. The master-slave machine at least comprises a business logic, a calculation unit and a streaming unit in terms of business functions. The data input unit refers to that after receiving data through devices such as an electric push rod, an encoder, a mouse, a keyboard, a touch screen and the like, the service logic and calculation unit processes the service logic and calculates according to the input data such as a certain operation instruction, the calculated data result is delivered to the fluidization unit, the fluidization unit performs fluidization processing such as streaming through an xml stream format, and finally the data result is transmitted to the network through the output unit. The master and slave are automatically synchronized and cooperatively operated, but not all receive the same instruction or do the same operation, namely, the master and slave can completely independently operate and are synchronized in real time and are respectively connected with the respective input and output units. Specifically, to the dimming station, the user M operates the host a, the user N can simultaneously operate the B1, the user P can operate the slave B2 … without mutual interference, and the slave B2 … can simultaneously cooperate with each other, i.e. the respective work can be synchronized with other people in real time.
Fig. 4 is a schematic diagram of a tree data table in the ethernet-based distributed computing dimming method of the present invention. As shown in fig. 4, by designing one or more data tables with tree structures, the data results of the business logic and the computing unit are stored, and all objects and the values corresponding to the objects are stored. The data table adopts the C++ object-oriented concept design, derives various kinds from the basic class step by step, and stores the data in class member objects. The object of each class is a "node" in the tree data table. After the program is started, the service units of the master and slave create the data table in the memory and change the data table continuously according to the service change. The changes in the data table are divided into: three types of addition/deletion/numerical change. The addition is to add an object, namely a node, and the deletion is to delete the object, and the numerical change refers to the change of the numerical value of the member object.
Each time the data table changes, the data table N is connected to the Ethernet through the streaming unit and the network module, the generated data table is output to the network after being streamed, after other devices receive the data table, a new data table is reversely streamed, the new data table is combined with the local data table, and protocols such as TCP/UDP are adopted in network transmission. Combining rules: the member objects of each class are provided with 'time members', the specific time for updating the numerical value of the object is recorded, the member objects of each class are provided with 'rule members', and the processing is carried out according to the numerical value of the 'rule members' during merging. The values of the "rule members" are as follows: locking, taking maximum value, taking minimum value, last time covering, etc. The time member and the rule member are used as operation authority attributes of the objects, and can be placed in class members, or a authority attribute data table can be independently generated, wherein the time member and the rule member of each object are recorded in the authority attribute data table, and each object is associated by referring to an object pointer in the data table. And judging whether the object of the data table of the requesting party is changed or not, performing data adjustment on the unlocked object, and updating the unlocked object into the data of the latest time, the data of the maximum value or the data of the minimum value according to the preset service requirement. If the local object is locked, it is not processed.
In the above merging method, it can be seen that the master and slave machines can work independently and synchronize through the form of a data table, and the data table adopts the concept of a c++ class object, so that the data table is hierarchical, and the objects and the data of each hierarchy are attached with "authority attribute", which specifically refers to the division of the working authorities: the host A is responsible for controlling the lamps 1 to 100, the uppermost class object which is responsible for controlling the lamps can be set to be locked, and the rest slaves can not control the lamps.
In this embodiment, each master-slave machine has modules such as a data input unit and a computing unit, after receiving a new computing task, a master machine in a management group allocates the computing task to other members including itself according to the situation in the group, the computing capability of each member is different, and information of the computing capability of each member is in a management device list in the group, and according to the information, the computing task that can be born is allocated, specifically, an object to be computed in a "data table" is assigned with a "authority attribute", that is, belongs to which computing unit. The quantization unit of the task is channel parameters, and the calculation unit can calculate how many channel parameters in real time, for example, the host a can process 4096 channel parameters, the slave B1 can process the calculation of 8192 channel parameters, and 10000 lamp parameters to be controlled by the whole system are supplied, so that the host a distributes the calculation task of 10000-4096 channel parameters to the slave B1. The receiving task side locks the part of the object according to the "data table" described above and starts the calculation. All task parties transmit the calculated DMX512 channel data to a 'DMX data group' in a network in the following compression coding mode, wherein the DMX data group consists of one or more decoders, and the DMX data group is output to a lamp after being decoded by the decoders, so that distributed calculation is realized.
The invention relates to a format of DMX512 data: every 32 unites of packets form a unite_block (Packet), divide all channel quantity into several unite_blocks (Packet), every network Packet DMX Data Packet sends a unite_block (Packet). Each unitary_block consists of a packet header and a data segment. The header is provided with a variable indicating which universe_block the packet belongs to, a value of 1 indicates that the data is universe 1-32, a value of 2 indicates that the data is universe 33-64, a value of 3 indicates that the data is universe 65-96, and so on. A 32-bit mask is provided corresponding to 32 DMX512 units in the unit of packets, each bit representing whether the data packet contains the corresponding unit of packets.
Each universe is divided into 8 blocks (block units), namely each block (block unit) contains information of 64 DMX512 channels; an 8-bit Mask3 (third check code) is provided corresponding to 8 blocks in the universe (packet unit), and each bit indicates whether or not data corresponding to the block is included. The Universe header also contains the information of the current Universe packet length.
Each block is divided into 8 sub_blocks (sub block units); an 8-bit Mask2 (second check code) is provided, corresponding to 8 sub_blocks (sub-block units), each bit indicating whether or not the corresponding sub_block (sub-block unit) data is included.
Each sub_block (sub-block unit) contains 8 DMX512 channels of information DMX512 channels, and an 8-bit Mask1 (first check code) is provided, where each bit indicates whether the corresponding channel value is contained. The values of the changed channels are stored in the data segment, 8 bytes are stored when 8 channels are changed, mask1 (first check code) becomes 11111111 (binary), and when the 8 channels (1-8) have 3 and 6 channels, for example, the values of the 3 and 6 channels are filled in the data segment in sequence, and Mask1 (first check code) becomes 00100100. At this time, a length of 6 bytes is saved. The more lanes that are unchanged, the more byte lengths are saved, which reduces the size of the entire DMX512 packet.
The encoding method in this embodiment includes: the size of the entire DMX512 packet is obtained. According to the format, the control program encodes and transmits the DMX512 data to be transmitted, and the receiving end decodes the DMX512 data according to the format. For example, for N universe_block (packet) coding methods, some auxiliary data elements are needed first to help:
A data area for storing N DMX units is length=n×32×512 bytes.
The status mask is used for recording whether all dimming channels in all DMX units change.
The output buffer stores the compressed data, which is about the payload of an ethernet packet.
The main steps of compression encoding an universe_block (packet) are:
and step A, generating a Header of a section in the output buffer.
And B, generating Mask3 (third check code) in the output buffer area, and starting to encode one Universe (packet unit).
And C, generating Mask2 (second check code) in the output buffer area, and starting to encode one Block (Block unit).
And D, generating Mask1 (first check code) in the output buffer area, and starting to encode one Sub Block (Block unit).
And E, if the output buffer area is full at the moment, sending the data of the output buffer area, and emptying the data. And (C) jumping to the step (C).
And F, writing the corresponding state Mask into a Mask1 (first check code) member of the head of the Block unit, judging whether the corresponding 8 dimming channels change according to the Mask1 (first check code), and if so, writing the values of the dimming channels into an output data area, wherein the bit corresponding to the Block unit in the Mask2 (second check code) of the head of the Block unit is 1.
And G, jumping to the step D until all Sub blocks in the blocks are completed.
And step H, if Mask2 (second check code) in the Block is not 0, setting the bit corresponding to the Mask3 (third check code) member to 1. And C, jumping to the step C until the updating of all blocks in the current DMX unit is completed.
And I, finishing encoding the current DMX Universe, and if the Mask3 (third check code) of the Universe is not 0, updating the bit of the universe_mask member in the Universe to be 1, wherein the bit corresponds to the current DMX Universe.
Step J, jumping to step B, and coding the next DMX unitary. Until all 32 units of universes in the universe_block are completed.
Decoding is exactly the opposite process to encoding, and data is restored according to the header information and Mask information.
The more detailed task specific allocation mode is as follows: the lamp sets are all connected to the output ports of the decoders through the DMX512, and different numbers of the DMX512 output ports of each decoder can be connected with different numbers of lamps, namely, the number of channels representing the lamps connected with the decoder is limited, for example, a 4-port decoder can be connected with lamps with total upper limit of 4 x512 channels. In the session, the host of the management group discovers and adds the decoder members in the network, establishes a 'DMX data group', determines whether the channels of all lamps can be borne according to the upper limit number of each member, informs the member of the decoder where the channels associated with the task are located when the other members in the management group distribute the task after adding the member, and transmits the result to the decoder through the network after the task executive side calculates the result in real time.
Fig. 5 is a schematic block diagram of an ethernet-based distributed computing dimming system of the present invention. As shown in fig. 5, an embodiment of the present invention further provides an ethernet-based distributed computing dimming system, configured to implement the above-mentioned ethernet-based distributed computing dimming method, where the ethernet-based distributed computing dimming system includes:
the control end cluster module 51 is configured to connect to a control end cluster of the same ethernet switch, and the ethernet switch is connected to and controls the working state of the lamp group through the decoder group.
The tree-shaped data table module 52, the control end cluster comprises a host and at least one slave, the host establishes a tree-shaped data table for storing the lighting data group of the lamp nodes and the calculation authority based on the connection relation of the lamps in the lamp group.
And the control end matching module 53 matches the corresponding control end according to the lamp nodes in the calculation task when the host receives the calculation task, and forwards the calculation task to the matched control end.
The data set updating module 54 feeds back a tree-shaped data table after the control end calculates the calculation task, and updates the lighting data set of the corresponding lamp node in the tree-shaped data table.
The working state updating module 55 transmits the working state to the lamp group through the Ethernet switch and the decoder, and the lamp group updates the working state according to the updated illumination data group.
In a preferred embodiment, the control-side cluster module 51 is configured such that the control-side cluster includes a master and at least one slave, and each of the master and/or the slave includes a processor module and an input module, a storage module, a network module, and a memory module connected to the processor module.
In a preferred embodiment, the control-side cluster module 51 is further configured to have a unique network address for each master, slave, each decoder in the decoder group, each luminaire in the luminaire group in the control-side cluster, configured based on the ethernet switch, and to perform transmission interactions of the command and dimming data based on the network address.
In a preferred embodiment, the tree data table module 52 is configured such that the control terminal cluster includes a master and at least one slave, the master establishes a tree data table based on the connection relationship of the lamps in the lamp group, and each node in the tree data table stores the lighting data group of a lamp node and the calculation authority of the corresponding relationship between the lamp node and the preset unique control terminal, and the lighting data group includes the dimming parameter and the control member state parameter.
In a preferred embodiment, the control end matching module 53 is configured to match the corresponding control end in the tree data table according to the luminaire nodes in the computing task, upon receipt of the computing task by the host. And forwarding the calculation task to a control end in matching. And locking the lighting data set corresponding to the lamp node.
In a preferred embodiment, the data set update module 54 is configured to calculate the calculation task by the control terminal, and the control terminal updates the dimming parameter and the control member state parameter in the memory of the control terminal according to the calculation result. The control end feeds back the calculation result to the tree-shaped data summary table. And unlocking the lighting data set corresponding to the lamp node according to the calculation result. And updating the dimming parameters and the control status parameters in the lighting data sets of the corresponding luminaire nodes in the tree data table.
In a preferred embodiment, the operational status updating module 55 transmits to the luminaire group via the ethernet switch and decoder based on the updated tree data summary table. And the lamp group updates the working state according to the updated dimming parameters.
The distributed computing dimming system based on the Ethernet can realize distributed computing by respectively taking charge of computing tasks of partial channel parameters through a plurality of hosts, and meanwhile, the quantity and computing capacity of control ends are increased, so that the distributed computing is realized.
The embodiment of the invention also provides distributed computing dimming equipment based on the Ethernet, which comprises a processor. A memory having stored therein executable instructions of a processor. Wherein the processor is configured to calculate the steps of the dimming method via ethernet-based distribution executed by executing the executable instructions.
As shown above, the ethernet-based distributed computing dimming system according to the present invention can implement distributed computing by enabling multiple hosts to be responsible for computing tasks of part of channel parameters, and simultaneously increasing the number of control ends and computing power, thereby implementing distributed computing.
Those skilled in the art will appreciate that the various aspects of the invention may be implemented as a system, method, or program product. Accordingly, aspects of the invention may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" platform.
Fig. 6 is a schematic structural diagram of the ethernet-based distributed computing dimming device of the present invention. An electronic device 600 according to this embodiment of the invention is described below with reference to fig. 6. The electronic device 600 shown in fig. 6 is merely an example, and should not be construed as limiting the functionality and scope of use of embodiments of the present invention.
As shown in fig. 6, the electronic device 600 is in the form of a general purpose computing device. Components of electronic device 600 may include, but are not limited to: at least one processing unit 610, at least one memory unit 620, a bus 630 connecting the different platform components (including memory unit 620 and processing unit 610), a display unit 640, etc.
Wherein the storage unit stores program code executable by the processing unit 610 such that the processing unit 610 performs the steps according to various exemplary embodiments of the present invention described in the above-described electronic prescription flow processing method section of the present specification. For example, the processing unit 610 may perform the steps as shown in fig. 1.
The storage unit 620 may include readable media in the form of volatile storage units, such as Random Access Memory (RAM) 6201 and/or cache memory unit 6202, and may further include Read Only Memory (ROM) 6203.
The storage unit 620 may also include a program/utility 6204 having a set (at least one) of program modules 6205, such program modules 6205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
Bus 630 may be a local bus representing one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or using any of a variety of bus architectures.
The electronic device 600 may also communicate with one or more external devices 700 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 600, and/or any device (e.g., router, modem, etc.) that enables the electronic device 600 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 650. Also, electronic device 600 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 660. The network adapter 660 may communicate with other modules of the electronic device 600 over the bus 630. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 600, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage platforms, and the like.
The embodiment of the invention also provides a computer readable storage medium for storing a program, and the program is executed to implement the steps of the distributed computing dimming method based on the Ethernet. In some possible embodiments, the aspects of the present invention may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the invention as described in the electronic prescription stream processing method section of this specification, when the program product is run on the terminal device.
As shown above, the ethernet-based distributed computing dimming system according to the present invention can implement distributed computing by enabling multiple hosts to be responsible for computing tasks of part of channel parameters, and simultaneously increasing the number of control ends and computing power, thereby implementing distributed computing.
Fig. 7 is a schematic structural view of a computer-readable storage medium of the present invention. Referring to fig. 7, a program product 800 for implementing the above-described method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable storage medium may also be any readable medium that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected over the Internet using an Internet service provider).
In summary, the present invention aims to provide a distributed computing dimming method, system, device and storage medium based on ethernet, which can implement distributed computing by enabling a plurality of hosts to be responsible for computing tasks of partial channel parameters, and increase the number and computing capacity of control ends at the same time, thereby implementing distributed computing.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. The distributed computing dimming method based on the Ethernet is characterized by comprising the following steps of:
setting a control end cluster connected to the same Ethernet switch, wherein the Ethernet switch is connected with and controls the working state of the lamp group through the decoder group;
the control end cluster comprises a host and at least one slave, and the host establishes a tree-shaped data summary table for storing the lighting data set of the lamp nodes and the calculation authority based on the connection relation of the lamps in the lamp set;
When the host receives a calculation task, matching the corresponding host or slave in the control end cluster according to the lamp node in the calculation task, and forwarding the calculation task to the host or slave in the matched control end cluster;
the control end cluster feeds back the tree-shaped data summary table after calculating the calculation task, and updates the corresponding lighting data set of the lamp nodes in the tree-shaped data summary table; and
and the lamp group updates the working state according to the updated illumination data group.
2. The ethernet-based distributed computing dimming method of claim 1, wherein the setting is connected to a control end cluster of the same ethernet switch, and the ethernet switch is connected to and controls the operating state of the lamp group through the decoder group, further comprising:
the control end cluster comprises a host and at least one slave, and each host and/or slave comprises a processor module, and an input module, a storage module, a network module and a memory module which are connected with the processor module.
3. The ethernet-based distributed computing dimming method of claim 2, wherein the setting is connected to a control end cluster of the same ethernet switch, and the ethernet switch is connected to and controls the operating state of the lamp group through the decoder group, further comprising:
Each host, each slave in the control end cluster, each decoder in the decoder group and each lamp in the lamp group has a unique network address configured based on the Ethernet switch, and transmission interaction of instructions and dimming data is performed based on the network address.
4. The ethernet-based distributed computing dimming method as set forth in claim 1, wherein the control end cluster includes a master and at least one slave, the master establishes a tree-like data table for storing lighting data groups and computing rights of the lighting nodes based on connection relations of the middle lighting devices of the lighting group, and the tree-like data table includes:
the control end cluster comprises a host and at least one slave, the host establishes a tree-shaped data table based on the connection relation of the lamps in the lamp group, each node in the tree-shaped data table stores a lighting data group of a lamp node and the calculation authority of the corresponding relation between the lamp node and a preset unique control end, and the lighting data group comprises a dimming parameter and a control element state parameter.
5. The ethernet-based distributed computing dimming method of claim 4, wherein when the host receives a computing task, matching a corresponding control terminal according to a luminaire node in the computing task, and forwarding the computing task to the matching control terminal, comprising:
When the host receives a calculation task, matching a corresponding control end in the tree-shaped data table according to a lamp node in the calculation task;
forwarding the calculation task to the control end in matching; and
and locking the lighting data set corresponding to the lamp node.
6. The ethernet-based distributed computing dimming method as set forth in claim 5, wherein the control end feeds back the tree-like data summary table after computing the computing task, and updates the lighting data set of the corresponding luminaire node in the tree-like data summary table, comprising:
the control end calculates the calculation task, and updates the dimming parameter and the control element state parameter in the memory of the control end according to a calculation result;
the control end feeds the calculation result back to the tree-shaped data summary table;
unlocking the lighting data set corresponding to the lamp node according to the calculation result; and
and updating the dimming parameters and the control member state parameters in the corresponding lighting data sets of the lamp nodes in the tree data table.
7. The ethernet-based distributed computing dimming method of claim 1, wherein the transmissions to the luminaire group via the ethernet switch and decoder, the luminaire group updating the operating state based on the updated lighting data set, comprises:
Transmitting the tree data summary table to the lamp group through the Ethernet switch and the decoder based on the updated tree data summary table; and
and the lamp group updates the working state according to the updated dimming parameters.
8. An ethernet-based distributed computing dimming system for implementing the ethernet-based distributed computing dimming method of claim 1, comprising:
the control end cluster module is used for setting a control end cluster connected to the same Ethernet switch, and the Ethernet switch is connected with and controls the working state of the lamp set through the decoder set;
the control end cluster comprises a host and at least one slave, and the host establishes a tree-shaped data table for storing the lighting data group of the lamp nodes and the calculation authority based on the connection relation of the middle lamps of the lamp group;
the control end matching module is used for matching the corresponding host or slave in the control end cluster according to the lamp nodes in the computing task when the host receives the computing task, and forwarding the computing task to the host or slave in the matched control end cluster;
the data set updating module is used for feeding back the tree-shaped data summary table after the control end cluster calculates the calculation task and updating the corresponding lighting data set of the lamp node in the tree-shaped data summary table;
And the working state updating module is transmitted to the lamp group through the Ethernet switch and the decoder, and the lamp group updates the working state according to the updated illumination data group.
9. An ethernet-based distributed computing dimming device, comprising:
a processor;
a memory having stored therein executable instructions of the processor;
wherein the processor is configured to perform the steps of the ethernet-based distributed computing dimming method of any of claims 1 to 7 via execution of the executable instructions.
10. A computer-readable storage medium storing a program, wherein the program when executed by a processor implements the steps of the ethernet-based distributed computing dimming method of any of claims 1 to 7.
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