CN115499266A - Control method, device and system for communication system display - Google Patents
Control method, device and system for communication system display Download PDFInfo
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- CN115499266A CN115499266A CN202110674894.2A CN202110674894A CN115499266A CN 115499266 A CN115499266 A CN 115499266A CN 202110674894 A CN202110674894 A CN 202110674894A CN 115499266 A CN115499266 A CN 115499266A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4286—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40019—Details regarding a bus master
Abstract
The application relates to the technical field of communication, and discloses a control method for communication system display. Acquiring first data adaptive to a dot matrix screen display algorithm, and confirming a slave machine to be displayed; the control host transmits first data to the slave to be displayed through an RS485 bus and an adaptive communication protocol; and controlling the slave to be displayed to display the first data according to a dot matrix screen display algorithm. Under the condition that the use scenes are different and the display requirements change, the control host machine is only required to generate first data according to the display requirements and transmit the first data to the slave machine to be displayed through the RS485 bus, and the slave machine to be displayed can complete the display of the first data generated according to the display requirements according to the solidified dot matrix screen display algorithm, so that the display control of the RS485 communication system can be updated in time along with the change of the use scenes, and the practicability of the RS485 communication system is improved. The application also discloses a control device and a system for communication system display.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for controlling display of a communication system.
Background
At present, an RS485 communication system architecture controls a plurality of slave machines through an RS485 bus by a communication host, and in the RS485 communication system with dot matrix screen display slave machines, when each slave machine with dot matrix screen display is developing a finished product, a word library and a picture library are already solidified on the slave machine, so that the word library and the picture library of the slave machine with dot matrix screen display cannot be updated and controlled in time along with the requirements of a use scene, and great limitation and inconvenience are brought to use.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
at present, in an RS485 communication system with a dot matrix screen display slave, because a word library and a picture library are solidified when a finished product is developed by the slave, a picture and a font displayed by the slave cannot be updated and controlled in time along with the requirement of a use scene, and limitation is brought to the use of the RS485 communication system.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a control method, a device and a system for communication system display, which aim to solve the technical problem that in an RS485 communication system with a dot matrix screen display slave, the graphs and fonts displayed by the slave cannot be updated and controlled in time along with the requirements of a use scene, so that limitation is brought to the use of the RS485 communication system.
In some embodiments, the communication system includes a master computer and a plurality of slave computers, the master computer is connected to the plurality of slave computers through an RS485 bus, and the plurality of slave computers all solidify dot matrix screen display algorithms, the method includes:
acquiring first data adaptive to a dot matrix screen display algorithm, and confirming a slave machine to be displayed;
the control host transmits the first data to the slave to be displayed through an RS485 bus and an adaptive communication protocol;
controlling the slave to be displayed to display first data according to a dot matrix screen display algorithm;
wherein the first data includes font data and graphic data.
In some embodiments, the system includes a master computer and a plurality of slave computers, the master computer is connected with the plurality of slave computers through an RS485 bus, and the plurality of slave computers all solidify dot matrix screen display algorithms, the apparatus includes:
the confirmation module is configured to acquire first data adaptive to a dot matrix screen display algorithm and confirm the slave to be displayed;
the transmission control module is configured to control the master computer to transmit the first data to the slave computer to be displayed through the RS485 bus and the adaptive communication protocol;
the display control module is configured to control the slave machine to be displayed to display first data according to a dot matrix screen display algorithm;
wherein the first data includes font data and graphic data.
In some embodiments, the apparatus comprises:
a processor and a memory storing program instructions, the processor being configured, upon execution of the program instructions, to perform the control method for a communication system display described above.
In some embodiments, the communication system comprises:
the control device for communication system display is described above.
The control method, device and system for communication system display provided by the embodiment of the disclosure can realize the following technical effects:
the dot matrix screen display algorithm is solidified on the slave machine, the host machine transmits the data which is adaptive to the dot matrix screen display algorithm and needs to be displayed to the slave machine to be displayed, so that the slave machine can convert the data which needs to be displayed into displayable data according to the solidified dot matrix screen display algorithm and display the data, the slave machine can only generate the first data according to the display requirement and acquire the first data under the condition that the display requirement is changed due to different use scenes, the modified first data which needs to be displayed is transmitted to the slave machine through the RS485 bus by the host machine, the slave machine can complete the display of the first data generated according to the display requirement according to the solidified dot matrix screen display algorithm, the dot matrix screen display algorithm is solidified on the slave machine, and the font library and the graphic data which need to be displayed on the host machine can be timely updated along with the change of the use scenes by sending and controlling through the RS485 bus, and the practicability of the RS485 communication system is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic diagram of a control method for a communication system display according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a control device for a communication system display provided by an embodiment of the present disclosure;
fig. 3 is a schematic diagram of another control device for a communication system display provided by an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
Referring to fig. 1, an embodiment of the present disclosure provides a control method for display of a communication system, where the communication system includes a host and a plurality of slave devices, the host is connected to the plurality of slave devices through an RS485 bus, and dot matrix screen display algorithms are solidified on the plurality of slave devices, and the method includes:
and S01, the RS485 communication system acquires first data adaptive to the dot matrix screen display algorithm and confirms the slave machine to be displayed.
And S02, the RS485 communication system control host transmits the first data to the slave to be displayed through the RS485 bus and the adaptive communication protocol.
And S03, the RS485 communication system controls the slave to be displayed to display the first data according to the dot matrix screen display algorithm.
Wherein the first data includes font data and graphic data.
One or more slave machines to be displayed can be used.
By adopting the control method for the communication system display provided by the embodiment of the disclosure, the dot matrix screen display algorithm is solidified on the slave machine, the host machine transmits the data which is adapted to the dot matrix screen display algorithm and needs to be displayed to the slave machine to be displayed, so that the slave machine can convert the data which needs to be displayed into the data which can be displayed according to the solidified dot matrix screen display algorithm and display the data, under the condition that the use scenes are different and the display requirements are changed, only the first data is generated according to the display requirements and the first data is acquired, then the modified first data which needs to be displayed is transmitted to the slave machine through the RS485 bus by the host machine, the slave machine can complete the display of the first data generated according to the display requirements according to the solidified dot matrix screen display algorithm, the dot matrix screen display algorithm is solidified on the slave machine, the word library and the graphic data which need to be displayed on the host machine can be changed and updated along with the use scenes by sending and controlling through the RS485 bus, and the practicability of the RS485 communication system is improved in time. For example: the slave 1 to be displayed is switched from displaying the font "lotus flower heat clearing capsule" and the corresponding icon to "Yunnan white drug powder capsule" and the corresponding icon, only first data meeting the display requirement (the "Yunnan white drug powder capsule" and the corresponding icon) needs to be generated, and the control host machine obtains the first data and transmits the first data to the slave 1 to be displayed.
Optionally, the RS485 communication system for confirming the slave to be displayed includes: the RS485 communication system determines a slave computer display scheme according to the first data; the RS485 communication system acquires a working slave corresponding to the slave display scheme according to the slave display scheme; and the RS485 communication system confirms the working slave machine as the slave machine to be displayed.
Wherein, according to the first data, determining the slave display scheme comprises: and determining the number of the slave machines according to the display effect required by the first data, determining how the slave machines are arranged and distributed, and determining what contents are respectively displayed by the slave machines. For example: the first data needs to display 'welcome you in china', 5 slave machines can be randomly determined, the slave machines are horizontally arranged in a row, the slave machine 1 displays 'middle', the slave machine 2 displays 'state', the slave machine 3 displays 'happy', the slave machine 4 displays 'welcome', and the slave machine 5 displays 'you'.
Therefore, the slave computer display scheme is determined according to the first data, the slave computer needing to work is determined according to the slave computer display scheme, the slave computer to be displayed is determined, and the slave computer to be displayed is determined according to the first data before the display of the slave computer is controlled, so that the phenomenon that the slave computers except the slave computer to be displayed perform redundant display, the system resource is wasted, the display effect is damaged can be avoided, meanwhile, the energy consumption is reduced, and the applicability of the RS485 communication system is improved.
Optionally, the controlling, by the RS485 communication system, the slave device to be displayed to display the first data according to a dot matrix screen display algorithm includes: the RS485 communication system controls the slave to be displayed to convert the first data into first display data according to a dot matrix screen display algorithm; and the RS485 communication system controls the slave to be displayed to display the first display data according to the data type of the first display data.
Therefore, the slave to be displayed is controlled to convert the first data into the first display data according to the dot matrix screen display algorithm, so that the slave to be displayed can identify the word stock data and/or the gallery data which need to be displayed, the word stock data and the gallery data are already solidified when the conventional slave develops a finished product, and the font data and the graphic data except the word stock data and the gallery data are not already solidified when the finished product is developed and cannot be identified and displayed. The dot matrix screen display algorithm is solidified on the slave machine, so that the slave machine can identify and convert the first data adaptive to the display algorithm, the first data is converted into the first display data to be displayed, the slave machine to be displayed is controlled to display according to the data type of the first display data, the slave machine of the RS485 communication system can display word library data and/or graphic data according to actual scene requirements, and the applicability of the RS485 communication system is improved.
Optionally, the controlling, by the RS485 communication system, the slave to be displayed to display the first display data according to the data type of the first display data includes: the RS485 communication system judges a first data type of the first display data; if the first data type is font data, controlling the slave to be displayed to display the font; if the first data type is graphic data, controlling the slave to be displayed to display a graphic; and if the first data type comprises font data and graphic data, controlling the slave to be displayed to display font and graphics.
Therefore, the first data is converted into first display data through a dot matrix screen display algorithm solidified on the slave machine, the slave machine is controlled to display the first display data according to the type of the first display data, if the first display data is font or graphic data, the slave machine to be displayed is controlled to display the font or graphic data, and if the converted first display data is font and graphic data, the slave machine to be displayed is controlled to display the combination of the font data and the graphic data, so that the slave machine to be displayed is controlled to display according to the type of the first display data, the RS485 communication system is more flexible in display, the application range is wider, and the applicability of the RS485 communication system is improved.
Optionally, the host further includes a logic control unit adapted to the dot matrix screen display algorithm, the first data includes logic control data sent by the logic control unit, and the controlling, by the RS485 communication system, the slave to be displayed to display the first data according to the dot matrix screen display algorithm includes: the RS485 communication system controls the slave to be displayed to convert font data and/or graphic data in the first data into second display data according to a dot matrix screen display algorithm, and converts logic control data in the first data into first logic control data; and the RS485 communication system controls the slave computer to be displayed to display the second display data according to the data type of the second display data and the first logic control data.
Therefore, the logic control unit is added on the host to send out logic control data, the first data comprises logic control data and/or font data and/or graphic data, the font data and/or the graphic data in the first data are converted into second display data through a dot matrix screen display algorithm, the logic control data in the first data are converted into first logic control data, the slave to be displayed is controlled to display the second display data according to the display logic through the first logic control data, the RS485 communication system can display more variously, the display capability of the RS485 communication system is enhanced, and the RS485 communication system is more widely applicable. And in the dot matrix screen display algorithm solidified on the slave machine, if the displayed use scene changes, the display requirement changes, at the moment, only the logic control data and/or font data and/or graphic data in the first data meeting the display requirement need to be generated, the control host transmits the logic control data and/or font data and/or graphic data in the first data meeting the display requirement to the slave machine to be displayed, and controls the slave machine to be displayed to display, so that the display of the slave machine of the RS485 communication system can be updated in time along with the change of the use scene, and the applicability of the RS485 communication system is increased.
Optionally, the controlling, by the RS485 communication system, the slave to be displayed to display the second display data according to the data type of the second display data and the first logic control data includes: the RS485 communication system judges a second data type of the second display data; if the second data type comprises font data and/or graphic data, judging the instruction type of the first logic control data according to the first logic control data; and the RS485 communication system controls the slave to be displayed to display second display data according to the instruction type of the first logic control data.
Therefore, the first data comprise logic control data and/or font data and/or graphic data, the slave to be displayed is controlled by the first logic control data to display the second display data according to the display logic, the display of the RS485 communication system can be diversified, the display capability of the RS485 communication system is enhanced, and the RS485 communication system is more widely applicable. And in the dot matrix screen display algorithm solidified on the slave machine, if the use scene of the display changes, the display requirement changes, at the moment, only the logic control data and/or the font data and/or the graphic data in the first data meeting the display requirement need to be generated, the control host machine transmits the logic control data and/or the font data and/or the graphic data in the first data meeting the display requirement to the slave machine to be displayed, and controls the slave machine to be displayed to display, so that the display of the slave machine of the RS485 communication system can be updated in time along with the change of the use scene, and the applicability of the RS485 communication system is improved.
Optionally, the RS485 communication system controls the slave to be displayed to display the second display data according to the instruction type of the first logic control data, including: if the first logic control data is a broadcast instruction, the RS485 communication system controls the slave computer to be displayed to broadcast font data and/or graphic data; and if the first logic control data is not a broadcast instruction, the RS485 communication system controls the slave to be displayed to display the font data and/or the graphic data and return a display result to the host according to the first logic control data.
Therefore, when the first logic control data is a broadcast instruction, all slave machines to be displayed are controlled to broadcast font data and/or graphic data, the RS485 communication system achieves group display control of the slave machines to be displayed, when the first logic control data is not the broadcast instruction, the slave machines to be displayed are controlled to execute the instruction of the first logic control data, font data and/or graphic data are displayed according to the first logic control data, a display result is returned to the host machine, the display result of the slave machines to be displayed is checked, and therefore independent control of the RS485 communication system is achieved. For example: if the first logic control data received by the slave computer is a broadcast instruction, the slave computer to be displayed displays a character pattern or a graph according to the broadcast instruction, and the slave computer to be displayed is controlled to display according to the broadcast instruction (for example, if the character pattern displayed by receiving the broadcast instruction is 'Chinese', the whole character pattern displayed by the display screen of the slave computer to be displayed is 'Chinese', and the graph displayed by receiving the broadcast instruction is 'lotus', the whole character pattern displayed by the display screen of the slave computer to be displayed is 'lotus'); and if the first logic control data received by the slave to be displayed is not a broadcast instruction but an instruction for independently displaying the font or the graph, controlling the slave to be displayed to independently display and return a display result to the host, determining whether the current display result meets the requirement or not according to the returned display result, and controlling other slave to be displayed to display. (for example, the slave 1 to be displayed displays "middle", the slave 2 to be displayed displays "state", or the slave 1 to be displayed displays "lotus", the slave 2 to be displayed displays "Chinese", and the slave 3 to be displayed displays "Tengwangge" pictures).
As shown in fig. 2, an embodiment of the present disclosure provides a control device for a communication system display, which includes a confirmation module 21, a transmission control module 22, and a display control module 23. The confirmation module 21 is configured to acquire first data adapted to a dot matrix screen display algorithm and confirm the slave to be displayed; the transmission control module 22 is configured to control the master computer to transmit the first data to the slave computer to be displayed through the RS485 bus and the adapted communication protocol; the display control module 23 is configured to control the slave to be displayed to display the first data according to a dot matrix screen display algorithm.
Wherein the first data includes font data and graphic data.
One or more slave machines to be displayed can be used.
By adopting the control device for communication system display provided by the embodiment of the disclosure, the dot matrix screen display algorithm is solidified on the slave machine, the host machine transmits the data which is adapted to the dot matrix screen display algorithm and needs to be displayed to the slave machine to be displayed, so that the slave machine can convert the data which needs to be displayed into the data which can be displayed according to the solidified dot matrix screen display algorithm and display the data, when the use scenes are different and the display requirements are changed, only the first data is generated according to the display requirements and the first data is acquired, then the modified first data which needs to be displayed is transmitted to the slave machine through the RS485 bus by the host machine, the slave machine can complete the display of the first data generated according to the display requirements according to the solidified dot matrix screen display algorithm, the dot matrix screen display algorithm is solidified on the slave machine, the word library and the graphic data which need to be displayed on the host machine can be updated along with the change of the use scenes by sending and controlling through the RS485 bus, and the practicability of the RS485 communication system is improved in time. For example: the slave 1 to be displayed is switched from the display font of the lotus cooling capsule and the corresponding icon to the display font of the Yunnan white drug capsule plus the corresponding icon, only first data meeting the display requirement (the Yunnan white drug capsule plus the corresponding icon) needs to be generated, and the control host machine acquires the first data and transmits the first data to the slave 1 to be displayed.
As shown in fig. 3, an embodiment of the present disclosure provides a control device for a display of a communication system, which includes a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other through the bus 103. The communication interface 102 may be used for information transfer. The processor 100 may invoke logic instructions in the memory 101 to perform the control method for a communication system display of the above-described embodiments.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the control method for the display of the communication system in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, memory 101 may include high speed random access memory and may also include non-volatile memory.
The embodiment of the disclosure provides a communication system, which comprises the control device for communication system display.
The disclosed embodiments provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described control method for a communication system display.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described control method for a communication system display.
The computer readable storage medium described above may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosure, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A control method for communication system display is characterized in that the communication system comprises a host computer and a plurality of slave computers, the host computer is connected with the slave computers through an RS485 bus, and dot matrix screen display algorithms are solidified on the slave computers, and the method comprises the following steps:
acquiring first data adaptive to the dot matrix screen display algorithm, and confirming a slave machine to be displayed;
controlling the host to transmit the first data to the slave to be displayed through the RS485 bus and an adaptive communication protocol;
controlling the slave machine to be displayed to display the first data according to the dot matrix screen display algorithm;
wherein the first data comprises font data and/or graphic data.
2. The method of claim 1, wherein the confirming the slave to be displayed comprises:
determining a slave computer display scheme according to the first data;
according to the slave computer display scheme, acquiring a working slave computer corresponding to the slave computer display scheme;
and confirming the working slave machine as the slave machine to be displayed.
3. The method according to claim 1, wherein the controlling the slave to be displayed to display the first data according to the dot matrix screen display algorithm comprises:
controlling the slave to be displayed to convert the first data into first display data according to the dot matrix screen display algorithm;
and controlling the slave to be displayed to display the first display data according to the data type of the first display data.
4. The method according to claim 3, wherein the controlling the slave to be displayed to display the first display data according to the data type of the first display data comprises:
judging a first data type of the first display data;
if the first data type is the font data, controlling the slave computer to be displayed to display the font;
if the first data type is the graphic data, controlling the slave to be displayed to display a graphic;
and if the first data type comprises the font data and the graphic data, controlling the slave to be displayed to display the font and the graphic.
5. The method according to any one of claims 1 to 4, wherein the master further comprises a logic control unit adapted to the dot matrix screen display algorithm, the first data comprises logic control data sent by the logic control unit, and the controlling the slave to be displayed to display the first data according to the dot matrix screen display algorithm comprises:
controlling the slave to be displayed to convert the font data and/or the graphic data in the first data into second display data according to the dot matrix screen display algorithm, and converting the logic control data in the first data into first logic control data;
and controlling the slave computer to be displayed to display the second display data according to the data type of the second display data and the first logic control data.
6. The method according to claim 5, wherein the controlling the slave to be displayed to display the second display data according to the data type of the second display data and the first logic control data comprises:
judging a second data type of the second display data;
if the second data type comprises the font data and/or the graphic data, judging the instruction type of the first logic control data according to the first logic control data;
and controlling the slave to be displayed to display the second display data according to the instruction type of the first logic control data.
7. The method according to claim 6, wherein the controlling the slave to be displayed to display the second display data according to the instruction type of the first logic control data comprises:
if the first logic control data is a broadcast instruction, controlling the slave to be displayed to broadcast the font data and/or the graphic data;
and if the first logic control data is not a broadcast instruction, controlling the slave computer to be displayed to display the font data and/or the graphic data and return a display result to the host computer according to the first logic control data.
8. A control device for communication system display is characterized in that the system comprises a host and a plurality of slave machines, the host is connected with the slave machines through RS485 buses, and dot matrix screen display algorithms are solidified on the slave machines, the device comprises:
the confirmation module is configured to acquire first data adaptive to the dot matrix screen display algorithm and confirm the slave to be displayed; the transmission control module is configured to control the host to transmit the first data to the slave to be displayed through the RS485 bus and an adaptive communication protocol;
the display control module is configured to control the slave to be displayed to display the first data according to the dot matrix screen display algorithm;
wherein the first data includes font data and graphic data.
9. A control apparatus for a communication system display comprising a processor and a memory having stored thereon program instructions, wherein the processor is configured to carry out the control method for a communication system display of any one of claims 1 to 7 when executing the program instructions.
10. A communication system comprising a control device for a communication system display according to claim 8 or 9.
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