Summary of the invention
Based on this, be necessary to provide a kind of simple to operate and be convenient to the LED dot matrix display screen control method of the movement-based terminal of mobile terminal administration.
A kind of LED dot matrix display screen control method of movement-based terminal, for display screen being controlled by mobile terminal at the display screen control system that comprises mobile terminal and LED dot matrix display screen, wherein, described display screen is preset identification code, and this display panel control method comprises the following steps:
Described display screen is set up and is communicated by letter with described mobile terminal;
Described mobile terminal sends identification code to described display screen and reaches the identification code for the described display screen of Request Control;
When the identification code that the identification code of described display screen sends with described mobile terminal is identical, described display screen receives the identification code that described mobile terminal sends, and verify according to described identification code whether described mobile terminal and described display screen exist corresponding control relation, if, accept the demonstration control of described mobile terminal, otherwise refuse the demonstration control of described mobile terminal.
In embodiment, the default identification code of described display screen is numeral number or 3G mobile number therein.
In embodiment, described display screen is set up the step of communicating by letter with described mobile terminal and is comprised therein:
Described display screen receives the search request of described mobile terminal, and sends and set up communication request to described mobile terminal;
Described mobile terminal receives described communication request and stores described display information, and wherein, described display information comprises the position of described display screen sign and relatively described mobile terminal.
Therein in embodiment, described mobile terminal is controlled and is comprised that displaying contents is controlled and show state is controlled the demonstration of described display screen, described displaying contents is controlled and is specially: described mobile terminal is converted to file to be shown the demonstration information of the discernible form of LED dot matrix display screen, and described demonstration information is sent to described LED dot matrix display screen; Described show state is controlled: described mobile terminal is controlled the replacing of the displaying contents of described LED dot matrix display screen, the displaying time of displaying contents and the running status of LED dot matrix display screen.
In embodiment, between described mobile terminal and described display screen, set up radio communication therein.
In addition, also be necessary to provide a kind of simple to operate and be convenient to the LED dot matrix display screen control system of the movement-based terminal of mobile terminal administration.
A kind of LED dot matrix display screen control system of movement-based terminal, comprising: display screen and mobile terminal;
Described display screen comprises display screen control module and display screen communication module, and described display screen control module is for default identification code;
Described mobile terminal comprises mobile terminal control module and mobile terminal communication module;
Described display screen is for setting up and communicate by letter with described mobile terminal;
Described mobile terminal communication module reaches the identification code for the described display screen of Request Control for to described display screen, sending identification code;
When the identification code that the identification code of described display screen sends with described mobile terminal is identical, described display screen receives by described display screen communication module the identification code that described mobile terminal communication module sends, and verify according to described identification code whether described mobile terminal and described display screen exist corresponding control relation, if, accept the demonstration control of described mobile terminal, otherwise refuse the control of described mobile terminal.
In embodiment, the default identification code of described display screen control module is numeral number or 3G mobile number therein.
Therein in embodiment, described display screen communication module is also for receiving the search request of described mobile terminal communication module, and sends and set up communication request to described mobile terminal;
Described mobile terminal communication module receives described communication request, and described mobile terminal is for storing described display information, and wherein, described display information comprises the position of described display screen sign and relatively described mobile terminal.
Therein in embodiment, described mobile terminal is controlled and is comprised that displaying contents is controlled and show state is controlled the demonstration of described display screen, described displaying contents is controlled and is specially: described mobile terminal is used for file to be shown is converted to the demonstration information of the discernible form of LED dot matrix display screen, and described demonstration information is sent to described LED dot matrix display screen; Described show state is controlled: described mobile terminal is for replacing, the displaying time of displaying contents and the running status of LED dot matrix display screen of the displaying contents of controlling described LED dot matrix display screen.
In embodiment, the communication module of described mobile terminal and described display screen is wireless communication module therein.
LED dot matrix display screen control method and the system of above-mentioned movement-based terminal are preset identification code by display screen, mobile terminal is by setting up and communicate by letter and send identification code and identification code to display screen with display screen, when the identification code sent with mobile terminal at the identification code of display screen is identical, display screen receives identification code, then whether there is corresponding control relation according to identification code checking display screen with mobile terminal, if, accept the demonstration control of mobile terminal, thereby can realize the LED dot matrix display screen control of movement-based terminal simple to operate, as to be convenient to mobile management.
Embodiment
As shown in Figure 1, be the LED dot matrix display screen control method flow chart of movement-based terminal.The LED dot matrix display screen control method of movement-based terminal, for the display screen control system comprising mobile terminal and LED dot matrix display screen, controlled display screen by mobile terminal.
Mobile terminal is generally mobile phone.In the present embodiment, mobile terminal can convert the files such as text, picture, video to information with specific format, and then the communication module by mobile phone is transferred to display screen, makes display screen show these contents.Wherein, the communication module of mobile terminal refers to the wireless transmission protocols such as similar and bluetooth, 3G network, WIFI.
Display screen is generally LED display, and in the present embodiment, display screen has been installed control card.Control card is mainly used in the information that mobile terminal receive is exported by communication module, and the control LED display shows these information.Simultaneously, control card can be transferred to mobile terminal by communication module by the Miscellaneous Documents of storing in LED display.
Display screen is preset identification code, and the default identification code of display screen is numeral number or 3G mobile number.Each display screen has a unique digital coding or 3G telephone number as identification code.Thereby, when searching display screen, only need to search its corresponding identification code just can find this display screen, thereby it is carried out to next step operation.
The display panel control method of movement-based terminal specifically comprises the following steps:
Step S110, display screen is set up and is communicated by letter with mobile terminal.
Step S110 is specially:
1. the search request of display screen mobile terminal receive, and send and set up communication request to mobile terminal.
2. mobile terminal received communication request store display information, wherein, display information comprises the position of display screen sign and the terminal that relatively moves.
In the present embodiment, in the hunting zone of mobile terminal, mobile terminal can send search request to display screen by communication module, searches display screen quantity and information thereof in the mobile terminal to search scope.In this hunting zone of mobile terminal, display screen all can respond the search request of mobile terminal, send and set up communication request to mobile terminal by the similar wireless connections mode such as Bluetooth communication protocol or 3G network communication protocol simultaneously, after mobile terminal receives and sets up communication request, display screen sends to mobile terminal by display information, and display information is specially the position of display screen title and the terminal that relatively moves.For example, at 100 meters of distance moving terminal direct north, a display screen is arranged,, after mobile terminal sends search request, display screen responds and has set up correspondence, and display screen will send to mobile terminal by information such as 100 meters, the positive north of its title and distance moving terminal so.
Step S120, mobile terminal sends identification code to display screen and reaches the identification code for the Request Control display screen.
In search procedure, can search all display screens in seek scope due to mobile terminal.Therefore, mobile terminal need to once be searched by sending identification code in the display screen searched again.In further searching, mobile terminal can send identification code to display screen, because therefore each display screen has unique numeral number or 3G number as identification code,, display screen is after the identification code that receives the mobile terminal transmission, and mobile terminal can search its display screen that need to control.After determining according to identification code the display screen that needs to control, need to be confirmed whether further to exist corresponding control relation between mobile terminal and display screen, the corresponding identification code of confirming is arranged between mobile terminal and display screen.Identification code and identification code in display screen are similar, have been preset in display screen, therefore, only need mobile terminal that its identification code is sent to display screen, then show that whether get rid of the identification code that judges both consistent, whether have corresponding control relation.
Step S130, when the identification code that the identification code of display screen sends with mobile terminal is identical, the identification code that the display screen mobile terminal receive sends, and whether there is corresponding control relation according to identification code checking mobile terminal with display screen, if, accept the demonstration of mobile terminal and control, otherwise the demonstration of refusal mobile terminal is controlled.
The corresponding relation that whether exists between mobile terminal and display screen mainly passes through the checking identification code, each display screen identification code that can prestore, mobile terminal sends identification code to display screen, after the identification code of display screen checking identification code and its storage is consistent, accept the control of mobile terminal, mobile terminal can be controlled displaying contents and the running status of display screen.Particularly, mobile terminal can send to display screen by communication module by the file content of its storage, and control display screen display file content, perhaps suspend the display file content, switching display file content etc., mobile terminal can also be controlled the running status of display screen simultaneously, is specially, and controls display screen shutdown or start.
In the present embodiment, mobile terminal is controlled and is comprised that displaying contents is controlled and show state is controlled the demonstration of display screen.Displaying contents is controlled and is specially: mobile terminal is converted to file to be shown the demonstration information of the discernible form of LED dot matrix display screen, and demonstration information is sent to the LED dot matrix display screen.Show state is controlled: mobile terminal is controlled replacing, the displaying time of displaying contents and the running status of LED dot matrix display screen of the displaying contents of LED dot matrix display screen.
In the present embodiment, set up radio communication between mobile terminal and display screen.
Based on above-mentioned all embodiment, the workflow of the LED dot matrix display screen control method of movement-based terminal is as follows: display screen is preset identification code, for being distinguished with other display screens.Mobile terminal is searched display screen in hunting zone.Display screen in the mobile terminal to search scope all can respond, and sets up and communicate by letter with mobile terminal.The identification code that the identification code of the display screen that then mobile terminal can need to be controlled it reaches for the Request Control display screen sends to display screen.There is the identical display screen of identification code sent with mobile terminal and make further response, and the identification code of mobile terminal receive transmission.Display screen is compared the identification code of the identification code of reception and its storage, if consistent, mobile terminal can be controlled this display screen, be that mobile terminal can be to the display screen Transmit message, and control display screen display file content, or suspend demonstration, or switching display content.Simultaneously, mobile terminal can also be controlled the running status of display screen.If identification code is inconsistent, mobile terminal can not be controlled this display screen, and display screen is not accepted the control signal of mobile terminal.
As shown in Figure 2, be the structural representation of the LED dot matrix display screen control system of movement-based terminal.A kind of LED dot matrix display screen control system of movement-based terminal comprises: display screen 10 and mobile terminal 20.
Display screen 10 comprises display screen control module 101 and display screen communication module 103, and display screen control module 101 is for default identification code.
Mobile terminal 20 comprises mobile terminal control module 201 and mobile terminal communication module 203.
Display screen 10 is for setting up and communicate by letter with mobile terminal 20.
Mobile terminal communication module 203 reaches the identification code for Request Control display screen 10 for to display screen 10, sending identification code.
When the identification code that the identification code of display screen 10 sends with mobile terminal 20 is identical, the identification code that display screen 10 sends by display screen communication module 103 mobile terminal receive communication modules 203, and whether there is corresponding control relation according to identification code checking mobile terminal 20 with display screen 10, if, accept the demonstration of mobile terminal 20 and control, otherwise the demonstration of refusal mobile terminal 20 is controlled.
In the present embodiment, the default identification code of display screen control module 101 is numeral number or 3G mobile number.
Display screen communication module 103 is also for the search request of mobile terminal receive communication module 203, and sends and set up communication request to mobile terminal 20.
The 203 received communication requests of mobile terminal communication module, mobile terminal 20 is also for storing display information, and wherein, display information comprises the position of described display screen sign and the terminal 20 that relatively moves.
The demonstration of 20 pairs of display screens 10 of mobile terminal is controlled and is comprised that displaying contents is controlled and show state is controlled.Displaying contents is controlled and to be specially: mobile terminal 20 is for file to be shown being converted to the demonstration information of LED dot matrix display screen 10 discernible forms, and demonstration information is sent to described LED dot matrix display screen 10.Show state is controlled and to be: mobile terminal 20 is for replacing, the displaying time of displaying contents and the running status of LED dot matrix display screen 10 of the displaying contents of controlling described LED dot matrix display screen 10.
Mobile terminal 20 is wireless communication module with the communication module of display screen 10.For example, bluetooth, 3G network or WIFI etc.
The LED dot matrix display screen control method of above-mentioned movement-based terminal and system are by the default identification code of display screen 10, mobile terminal 20 is by setting up and communicate by letter and send identification code and identification code to display screen 10 with display screen 10, when the identification code sent with mobile terminal 20 at the identification code of display screen 10 is identical, display screen 10 receives identification code, then whether there is corresponding control relation according to identification code checking display screen 10 with mobile terminal 20, if, accepting the demonstration of mobile terminal controls, thereby can realize simple, the LED dot matrix display screen that is easy to the movement-based terminal of realization is controlled.
In above-mentioned all embodiment, as shown in Figure 3, be the functional schematic of mobile terminal 20 each modules.Mobile terminal 20 comprises: man-machine to connection module 301, word input editing module 303, picture processing module 305, animation process module 307, all kinds of video processing module 309 and integrated treatment module 311 etc.Man-machine connection module 301 is connected with word input editing module 303, picture processing module 305, animation process module 307, all kinds of video processing module 309 respectively, after the file that word input editing module 303, picture processing module 305, animation process module 307, all kinds of video processing module 309 receive in processing by communication to integrated treatment module 311, all with integrated treatment module 311, be connected.Comprehensive treatment device 311 is during for the transmission of the processing of all kinds of orders, Miscellaneous Documents, passback, storage and school etc.
In display screen 10, control card has been installed, the display screen control module 101, as shown in Figure 4, are each functions of modules schematic diagram of control card.Control card comprises RAM(Advanced RISC Machines) treatment system 40, FPGA(Field-Programmable Gate Array, the field programmable gate permutation) processor 50 and LED display 60.Wherein, ARM treatment system 40 comprises word input editing module 401, animation process module 403, video decode module 405, picture processing module 407, signal output module 409, induction module 411 etc.ARM treatment system 40 is connected with FPGA processor 50, and FPGA processor 50 is connected with LED display 60.The file that the ARM treatment system sends over mainly for the treatment of mobile terminal 20, wherein video decode module 405 is mainly used in the decoding of high definition video decoding and all kinds of videos, and video is done to correcting process.Induction module 411 is mainly used in the induction to temperature, humidity, brightness and uitraviolet intensity.The FPGA processor is mainly used in high-definition signal is processed into to the specific signal that LED display 60 can show.
Particularly, the course of work of control card inside is:
ARM treatment system 40, by communicating by letter with PC with/without gauze, stores demonstration information to NandFlash.Store the demonstration information of storing in NandFlash into the SRAM display buffer, and send into and show that dot matrix is shown by FPGA processor 50.Realize parallel-to-serial conversion with FPGA processor 50.
Wherein ARM treatment system 40 is controlled FPGA processor 50 internal logics and is realized that the process of LED display 60 display routines is:
At first, the data that will show move on to SRAM from NandFlash, and the SRAM memory be take 16K and is divided into many as 1, every storage 1 on-screen-display message and other additional information.Every screen information is divided into 8 parts, every part 1280 bytes, 320 words, the initial address of every part is sent in 8 variablees, ARM treatment system 40 reads 1 word of the same deviation post of every part FPGA processor 50 of making a gift to someone at every turn, in FPGA processor 50,8 shift registers are packed into after 8 words, ARM treatment system 40 is sent 32 continuous shift pulses, the parallel data serial is moved in the display screen shift register (as MBI5024, 595 ...), through 10 times, each shift register in FPGA processor 50 is packed into, again each module 1 row n point data is moved in n the shift register that the people shows dot matrix, then to n shift register writing line scan-data in FPGA processor 50, after displacement for controlling demonstration.Before display register that data in shift register are packed into, first with gate-control signal G, close ranks output, data are packed into Load after display register, open immediately gate G.This is mainly to cause flicker while preventing data exchange.After sending continuously 32 row data, complete 1 screen nXn dot matrix and refresh.If per second shows 50 frames, every frame 20ms, must complete 1 row data at 0.6S and refresh.Require the serial shift pulse to get final product more than 1MHz.Because producing the above shift pulse of 1MHz by GPIOR, the ARM treatment system is easy to realize.Wherein the adjustment of LED display 60 brightness can be adjusted the refresh clock realization by software.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.