CN105760129A - Mobile communication method and device and relevant application - Google Patents
Mobile communication method and device and relevant application Download PDFInfo
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- CN105760129A CN105760129A CN201610101977.1A CN201610101977A CN105760129A CN 105760129 A CN105760129 A CN 105760129A CN 201610101977 A CN201610101977 A CN 201610101977A CN 105760129 A CN105760129 A CN 105760129A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- General Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a mobile communication method, a mobile communication device and relevant application.The mobile communication method comprises a dialing step, a disconnection re-connection step and a monitoring step used for detecting whether the operation state of a mobile communication module is normal or not.Correspondingly, the mobile communication device comprises a dialing module, a disconnection re-connection module and a monitoring module.In addition, the mobile communication device can be applied to an LED display control system configured with a mobile communication module such as a 3G or 4G module; multiple LED display control systems can be connected to a server end through mobile communication networks respectively so that cluster control can be achieved.In this way, by means of the mobile communication method and device and relevant application, the mobile network communication function can be achieved, the problems of stability and usability of conducting mobile network communication through the LED display control systems are solved, the hardware environment building method is simple, wired cost investment is not needed, and the whole system composition framework is relatively low in cost.
Description
Technical field
The present invention relates to LED display control technology field, particularly relate to a kind of method of mobile communication,
A kind of mobile communications device and related application.
Background technology
Along with developing rapidly of LED Display Technique, the scheme of various LED display control system
Also being more and more diversified, long range radio transmissions control system scheme based on 3G also has in recent years
It is suggested, but still can not be fully solved stablizing of current LED display line 3G application in the industry
Property, ease of use issues.Sum up the application scheme of current LED display control program industry, there is no one
Plant 3G application scheme and can meet this kind of application demand, be primarily present problems with: 1) embedding
The stability that on formula platform, 3G network connects is bad, and 2) 3G application based on embedded platform exploitation
The ease for use of scheme is bad, 3) cluster management function applied based on embedded 3G, and 4) real
Existing the most relatively costly, scheme is more complicated.
Summary of the invention
Therefore, for overcoming defect of the prior art and deficiency, the present invention proposes a kind of mobile communication
Method, a kind of mobile communications device and related application.
Specifically, a kind of method of mobile communication that the embodiment of the present invention proposes, it is applied to a kind of LED
Display control program, wherein said LED display control program is used for connecting LED display and joining
It is equipped with mobile communication module.Described method of mobile communication includes: (i) dialing step: detects and loads
The driver of described mobile communication module, detect SIM, initialize described mobile communication module
And carry out PPP dialing so that described LED display control program is connected to mobile communications network；(ii)
Disconnection reconnecting step: be periodically detected mobile communications network signal quality, is detecting mobile communication
Network signal quality detects whether described LED display control program has been connected to mobile logical the most afterwards
Communication network, and examine after described LED display control program is not connected to mobile communications network detecting
Survey SIM, initialize described mobile communication module and carry out PPP dialing with by described LED
Display control program is connected to mobile communications network；And (iii) monitoring step: detect described movement
The running status of communication module is the most normal, and described mobile communication module operation exception detected
Time make described mobile communication module power-off restarting, in order at described mobile communication module power-off restarting
After carry out described dialing step so that described LED display control program is connected to mobile communications network.
In one embodiment of the invention, described dialing step is particularly as follows: detection and loading are described
The driver of mobile communication module, detects SIM after detection and the success of load driver program,
After SIM being detected, initialize described mobile communication module and lead to initializing described movement
PPP dialing is carried out mobile logical to be connected to by described LED display control program after letter module success
Communication network.
In one embodiment of the invention, described disconnection reconnecting step is particularly as follows: be periodically detected
Mobile communications network signal quality, is detecting that mobile communications network signal quality detects institute the most afterwards
State whether LED display control program has been connected to mobile communications network, described LED detected
Display control program detects SIM after being not connected to mobile communications network, SIM detected
The described mobile communication module of rear initialization and initialize described mobile communication module success after carry out
PPP dials so that described LED display control program is connected to mobile communications network.
In one embodiment of the invention, described mobile communication module is 3G or 4G module.
Additionally, a kind of mobile communications device that the embodiment of the present invention proposes, it is applied to a kind of LED and shows
Show that control system, wherein said LED display control program are used for connecting LED display and configuration
There is mobile communication module.Described mobile communications device includes: (x) dial module, is used for detecting and adding
Carry the driver of described mobile communication module, detect SIM, initialize described mobile communication mould
Block and carry out PPP dial so that described LED display control program is connected to mobile communications network；
Y () disconnection reconnecting module, is used for being periodically detected mobile communications network signal quality, shifting detected
Dynamic communication network signal quality detects whether described LED display control program has been connected to the most afterwards
Mobile communications network, and detecting that described LED display control program is not connected to mobile radio communication
Detect SIM after network, initialize described mobile communication module and carry out PPP dialing with by described
LED display control program is connected to mobile communications network；And (z) monitoring module, it is used for detecting institute
The running status stating mobile communication module the most normally and is detecting that described mobile communication module runs
Described mobile communication module power-off restarting is made, in order in described mobile communication module power-off time abnormal
Utilize described dial module that described LED display control program is connected to mobile radio communication after restarting
Network.
In one embodiment of the invention, described mobile communication module is 3G or 4G module.
Furthermore, a kind of LED display control program that the embodiment of the present invention proposes, it is configured with aforementioned
A kind of mobile communications device of meaning.
In one embodiment of the invention, described LED display control program also includes embedded place
Reason device, network PHY chip, USB PHY chip, PLD module, network are defeated
Going out module, network interface and USB HUB module, described network PHY chip electrically connects described embedding
Formula processor, described USB PHY chip electrically connects described flush bonding processor, described able to programme
Logical device module electrically connects described flush bonding processor, and the electrical connection of described network output module is described
PLD module, described network interface electrically connects described network PHY chip, described USB
HUB module electrically connects described USB PHY chip, and the electrical connection of described mobile communication module is described
USB HUB module.
In one embodiment of the invention, described LED display control program also includes that video decodes
Module and isochronous/asynchronous mode switch key；The electrical connection of described Video decoding module is described able to programme patrols
Collecting device blocks and be used for connecting external video source, described isochronous/asynchronous mode switch key electrically connects institute
State flush bonding processor and for switch described LED display control program be operated in synchronous mode or
Asynchronous mode.
It addition, a kind of clustered control LED display screen system that the embodiment of the present invention proposes, including clothes
Business device end and multiple any one LED display control program aforementioned, and the plurality of LED shows
Control system is connected to described server end by mobile communications network respectively.
From the foregoing, it will be observed that the embodiment of the present invention can reach following one or more beneficial effect: a) energy
Enough realize the function of mobile network communication such as 3G network communication；B) solve LED display to control
The stability of system mobile network communication and the problem of ease for use；And c) hardware environment building method
Simpler, it is not necessary to wired cost puts into, whole system structure composed advantage of lower cost.
By the detailed description below with reference to accompanying drawing, the other side of the present invention and feature become obvious.
It is understood that this accompanying drawing is only the purpose design rather than the model as the present invention explained
The restriction enclosed.It should also be noted that unless otherwise noted, it is not necessary to scale accompanying drawing, they
Only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.
Fig. 1 is that the framework of a kind of clustered control LED display screen system that the embodiment of the present invention proposes shows
It is intended to.
Fig. 2 is a kind of structural representation of any one LED display control program in Fig. 1.
Fig. 3 is a kind of upper computer software interface schematic diagram of the embodiment of the present invention.
Fig. 4 is the flow chart that a kind of 3G of the embodiment of the present invention dials up on the telephone.
Fig. 5 is the flow chart of a kind of 3G network disconnection reconnecting of the embodiment of the present invention.
Fig. 6 is the flow chart of a kind of 3G module failure Restoration Mechanism of the embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with
The detailed description of the invention of the present invention is described in detail by accompanying drawing.
Referring to Fig. 1, the embodiment of the present invention is mainly used in 3G or 4G in LED display screen system
The cluster management function of mobile network communication, each LED display control program 131,133,135,
137,139 can access outer net by 3G/4G mobile communications network, now by supporting cluster pipe
Reason function server end 11 can according to each LED display control program 131,133,135,
The MAC Address of 137,139 is registered, and has access to different LED display control programs
131,133,135,137,139, thus realize, at server end 11, each LED display is controlled system
The control management of system 131,133,135,137,139.Furthermore, from figure 1 it appears that each
LED display control program 131,133,135,137,139 can carry LED display 151 by band respectively,
153,155,157,159。
Referring to Fig. 2, it is that in Fig. 1, a kind of structure of any one LED display control program is shown
It is intended to.As in figure 2 it is shown, LED display control program 20 include core board 21, base plate 23 and
Radio communication daughter board 25.Core board 21, base plate 23 and radio communication daughter board 25 are such as in three-layered node
Structure designs, and base plate 23 is provided with core board interface (not drawing in Fig. 2) and radio communication daughter board connects
Mouthful (Fig. 2 does not draws) to be connected with core board 21 and radio communication daughter board 25 respectively, its example
Discharge base plate 23, core board 21 and radio communication daughter board 25 the most successively, thus can
To save the space of the Hardware Design.
Specifically, core board 21 includes arranging arm processor 211 on circuit boards, network
PHY chip 212, USB PHY chip 213, voicefrequency circuit 214, memory module 215 and
Power management chip (Power Management IC) 216.
Base plate 23 includes arranging network interface 231 on circuit boards, USB HUB module 232, USB
Mouth 233, COBBAIF 234, isochronous/asynchronous mode switch key 235, serial port module 236, SD
Card interface circuit 237, FPGA module 238, memory module 239, Video decoding module 240,
One-chip computer module 241, clock and battery module 242, energy supply control module 243 and network output
Module 244.
Radio communication daughter board 25 includes the route WiFi module 251 arranged on circuit boards and moves
Communication module 253.
More specifically, arm processor 211 power on after run operating system (such as WinCE,
Linux, iOS, the operating system such as Android) and the relevant application software of function, control various outside and set
Standby function；It is understood that arm processor 211 can also be other embedded place
Reason device.
Network PHY chip 212 electrically connects arm processor 211, and it e.g. can be configured to hundred
The PHY chip of million nets.
USB PHY chip 313 electrically connects arm processor 211.
Voicefrequency circuit 214 electrically connects arm processor 211, its as during media play to audio frequency
One processing module of signal, typically comprises level shifting circuit and digital to analog converter.
Memory module 215 electrically connects arm processor 211, and it is mainly for arm processor
211 services, storage operating system file and software etc. also ensure what system normal table ran
Module.Herein, memory module 215 such as includes flash memory and DDR2, and certainly, flash memory can replace
Change other nonvolatile memories into, and DDR2 can replace to other volatile memory.
Power management chip 216 electrically connects arm processor 211, and it is mainly to core board 21
On arm processor 211 electric power management mechanism is provided.
Network interface 231 electrically connects network PHY chip on core board 21, and (namely ethernet physical layer receives
Send out device chip) 212, its e.g. RJ45 interface.Typically, network interface 231 passes through network transformer
Electrical connection network PHY chip 212.Herein, network interface 231 is primarily as on core board 21
The bridge communicated between arm processor 211 with outside host computer such as PC.
USB HUB module 232 electrically connects the USB PHY chip 213 on core board 21, and it is main
If being used as USB interface extension.
USB port 233 electrically connects USB HUB module 232, and it can be used to patch USB flash disk, from
And the LED display control program 20 of the present embodiment is supported in asynchronous mode from USB flash disk importing medium
Program plays out.
COBBAIF 234 electrically connects the voicefrequency circuit 214 on core board 21, and it is used for external speaker.
Isochronous/asynchronous mode switch key 235 electrically connects core board 21, thus the LED of the present embodiment
Display control program 20 is switchably operated in synchronous mode or asynchronous mode, namely FPGA mould
The broadcasting media source of block can be to be provided (corresponding asynchronous mode) by arm processor 211, it is possible to
Being that external video source is passed through Video decoding module 240 and provided (corresponding synchronous mode), namely Fig. 2
Shown LED display control program 20 is bimodulus LED display control program.Certainly, at other
In embodiment, isochronous/asynchronous mode switch key 235 is it is also contemplated that be changed to electrically connect FPGA mould
Block 238.
Serial port module 236 electrically connects the arm processor 211 on core board 21
(Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmits UART
Device) port, it such as includes level shifting circuit, RS232 interface, RS485 transceiver and RS485
Interface, RS232 interface is by the UART of this level shifting circuit electrical connection arm processor 211
Port, RS485 interface sequentially electrically connects ARM by RS485 transceiver and this level shifting circuit
Another UART port of processor 211.Additionally, RS485 interface is primarily used to connect periphery
The equipment of distance somewhat far point, such as light probe etc.；RS232 interface is usually and is used for debugging operations system
System, use when printing some Debugging message.It is, of course, understood that RS232 interface and RS485
Interface is not limited to arrange simultaneously.
SD card interface circuit 237 electrically connects the arm processor 211 of core board 21, thus this
The LED display control program 20 of embodiment is supported to save from SD card importing medium in asynchronous mode
Mesh plays out.
FPGA (Field Programmable Gate Array, field programmable gate array) module 238
Arm processor 211 on electrical connection core board 21, it mainly processes and arm processor
Interactive information between 211, and the information of display is sent to target LED screen, even to product
Make be used as empowerment management function；Herein, FPGA module 238 can also be that other able to programme are patrolled
Collecting device blocks, (Complex Programmable Logic Device, complexity can for such as CPLD
Programmed logic device) module etc..
Memory module 239 electrically connects FPGA module 238, and it is mainly used for depositing FPGA mould
The data of block 238 and e.g. SDRAM or other volatile memory.
Video decoding module 240 electrically connects FPGA module 238, and it such as includes that HDMI receives
Device (HDMI receiver) and mainly can process the video source of outside in synchronous mode such as
HDMI video source inputs, then by this LED display control program 20 HDMI number to input
Show in LED screen according to exporting after processing.
One-chip computer module 241 electrically connects FPGA module 238, and it is primarily used to control power supply,
Obtain the storage time to arm processor 211 from clock and battery module 242, detect some temperature
The functions such as the detection of the door switch of degree, humidity, voltage and alarm and LED box.
Clock and battery module 242 electrically connect one-chip computer module 241, and it is primarily to keep system
The system time uses with Network Synchronization, can avoid the problem that the time loses after system cut-off.
Energy supply control module 243 electrically connects one-chip computer module 241 and core board 21, mainly by list
Sheet machine module 241 controls power supply and powers to arm processor 211, prevents arm processor 211
Once power on breakdown, the generation of situation such as burn out.
Network output module 244 electrically connects FPGA module 238, and it is mainly by FPGA module
238 control data output, connect receiving card and by receiving card, display data are sent to LED screen
Such as lamp stand LED screen.Preferably, network output module 244 is two-way kilomega network output module.
Additionally, typically, network output module 244 includes kilomega network PHY chip and network interface such as RJ45
Interface.
Route WiFi module 251 electrically connects network PHY chip 212 and network interface 231, and it can
Use as Station pattern and ap mode, there is the function of route WiFi, and can lead to
The webpage crossing PC end carries out parameter setting；Additionally, user can pass through mobile terminal such as mobile phone, PAD
Deng equipment, the route WiFi module being connected to this LED display control program 20 communicates；Logical
Cross the APP of mobile terminal LED is shown carry out parameter configuration, regulation brightness, detection LED show
Show the best, the transmission broadcasting media program of running status etc. of control system；Without network condition
Under, also can realize media program sending function by mobile phone connection route WiFi module 251.
Mobile communication module 253 e.g. 3G or 4G module, it can be to have PCI-E interface
Plate card type module, thus be arranged on radio communication daughter board 25 pluggablely.Additionally, it is mobile logical
Letter module 253 is for example with the SIM5352E chip being integrated with 3G and GPS function.Furthermore,
Due to the setting of mobile communication module 253, in can applying out of doors, connect mobile network whenever and wherever possible
The information that network, access internet are up-to-date；GPS function can be used for this LED display control program
The location at 20 current location, places.
Hold above-mentioned, the design of the clustered control LED display screen system shown in embodiment of the present invention Fig. 1
Host computer and slave computer software is needed to match the incompatible mesh reaching whole system stability and ease for use
Mark.In order to meet the demand of user, upper computer software needs support following functions: 1) host computer
Software support mobile communications network information retaking of a year or grade display function, 2) Network Access Point and shifting need to be supported
Dynamic communication network users name and password function is set, 3) mobile communications network of system need to be supported
From the function opened and closed that is dynamically connected, and 4) need to support that backstage instructs the function of debugging, in order to
In trouble-shoots.
For convenience of description, below using 3G network (corresponding 3G module) as the act of mobile communications network
Example rather than be used for limit the present invention, because mobile communications network is not limited to 3G network, it is also possible to be
4G network (corresponding 4G module), the next generation of even 4G network or under several third generation mobile communication networks
Deng.
Fig. 3 show system upper computer software interface schematic diagram, from figure 3, it can be seen that upper
Providing the function of the 3G network information retaking of a year or grade of correspondence on the machine software interface of position, user can pass through
Refresh button on software interface obtains current 3G network information, including network state type,
Network connection state and network signal quality.
It is from being dynamically connected dialing after system electrification that the current 3G network of the embodiment of the present invention is arranged, because of
This is connected to LED display control program 131,133,135,137,139 in upper computer software search
After, just can directly refresh current 3G network information；So can be certainly for public users
Oneself operates 3G function, it is achieved get online without being tethered to a cable.
For there being the user of certain mobile communications network rudimentary knowledge, the embodiment of the present invention is at host computer
Software interface senior arranges the inside and is additionally provided with that the relevant number of dialing is arranged, APN access point sets
Put, the function such as user name and password are arranged.Additionally, also support on LED display control program
Electrically activate rear 3G to dial the setting that the most automatically carries out, such as the setting options that are certainly dynamically connected in Fig. 3,
When choosing upper, system is meeting auto dialing after power-off restarting, on choosing, and will
It arranges and arrives LED display control program 131, and 133,135,137,139, then system is at power-off restarting
After do not carry out 3G auto dialing, in such cases, if user re-uses 3G and dials up on the telephone function,
3G can be realized by the dialing button in senior setting to dial up on the telephone function.
Upper computer software interface shown in Fig. 3 is also supported have to developer oneself internal debugging,
And the consistency operation passage of inquiry problem, to realize the inquiry of the problem to 3G function.This function exists
Can be real by the way of opening Debugging interface the blank space of software interface input private mark on software interface
Existing.This backstage debugging passage is mainly used in the AT of the debugging to 3G module problem, mainly 3G
(AT i.e. Attention, AT instruction is generally used for the company between terminal device and PC application in instruction
Connect and communicate) some inquiry debugging functions.
It addition, design for system application slave computer software, slave computer software (such as runs on Fig. 2
The arm processor 211 of shown LED display control program 20) dial feature mainly by two
Part composition, respectively dialing process and disconnection reconnecting flow process.Dialing process refers to 3G module
Initialization be connected 3G network etc., disconnection reconnecting flow process refer to carry out dial-up operation as user but
Automatically detect and reconnect when not connecting 3G network or connect 3G network but go offline halfway
Operation.Fig. 4 show the whole schematic flow sheet that slave computer 3G dials up on the telephone, specifically:
1). detect and load the driver of 3G module
Driver for 3G module detects, when detection loading drive journeys such as 3 times
Then terminate when sequence is still failed, if detection the success of load driver program, carry out next step operation.
2). detection SIM
Detection maximum reattempt times for example, 3,3 inspections are thought without SIM less than SIM.
| AT instructs | Function | Retry the stand-by period | Maximum reattempt times |
| AT+CPIN？ | Check SIM | 1 second | 5 |
3). initialize 3G module
Initialization procedure mainly carries out following operation by AT instruction: signal quality is inquired about, moved
Network registry, APN (Access Point Name, access point) are arranged.Arbitrary AT command operating loses
Retry after such as waiting 1 second after losing, maximum reattempt times for example, 5, any one process 5 times
All failures, it is believed that initialization module failure.3 operation all successes, then it is assumed that at the beginning of 3G module
Begin chemical conversion merit.
| AT instructs | Function | Retry the stand-by period | Maximum reattempt times |
| AT+CSQ | Inquiry signal quality | 1 second | 5 |
| AT+CGREG？ | Inquiry network registry result | 1 second | 5 |
| AT+CGDCONT=1, " IP ", " APN " | APN is set | 1 second | 5 |
4) .PPP dialing
Need before PPP dialing to check that 3G network connects the state having existed and having connected,
If the connection status of being in, first disconnect；Then delete the 3G network existed to connect,
Re-create new 3G network connect and carry out PPP dial-up operation.PPP dialing uses RAS phase
Pass interface realizes, and mainly comprises herein below: 1. current connection state inspection, needs when having connected
Disconnect；2. dialing parameters is set by RAS interface, including dialing number (* 99#),
User name, password, the title etc. of APN access point；3. (parameter value is to arrange basic equipment parameter
Default value)；4. 3G dial-up connection is created；And 5. dial, and return the error ID of dialing.
As it is shown in figure 5, the flow chart of the 3G network disconnection reconnecting that it is system.Disconnection reconnecting is
Refer to start when program starts a thread, carry out a 3G network letter at interval of such as 3 minutes
Number quality testing, after detecting that 3G network signal quality is normal, detecting system has connected
Be connected to 3G network, whether detection SIM exists and carries out 3G module initialization, and at 3G mould
Carrying out PPP dialing after initialization block success, idiographic flow is as shown in Figure 5.
Additionally, in system normal course of operation, may exist 3G module stuck or other
The states such as operation exception, native system devises a monitoring programme, is used for monitoring 3G module and runs
The formedness of state, can be by carrying out the merit of power-off restarting recovery when breaking down to 3G module
Energy.Which increasing the stability Design of 3G dial-up connection, it is extensive that Fig. 6 show 3G module failure
The flow chart of the system of answering a pager's call, it is shown in 3G dial-up connection again after 3G module power-down is restarted, namely
Carry out 3G according to the flow process shown in Fig. 4 to dial up on the telephone.
It addition, it is noted that Fig. 4, Fig. 5 are the most corresponding with the flow chart shown in Fig. 6 originally
The dialing step of a kind of method of mobile communication, disconnection reconnecting step and the prison that inventive embodiments proposes
Control step.Furthermore, the dialing step of the present embodiment, disconnection reconnecting step and monitoring step such as divide
Dial module in a kind of mobile communications device not proposed by the embodiment of the present invention, disconnection reconnecting step
Suddenly realize with monitoring module, and dial module, disconnection reconnecting step and monitoring module e.g. by
Run on the flush bonding processor such as ARM in the LED display control program 20 shown in Fig. 2
In processor 211, corresponding software module realizes.
In sum, the embodiment of the present invention can bring following beneficial effect: a) is capable of moving
The function of network service such as 3G network communication；B) LED display control program mobile network is solved
The stability of network communication and the problem of ease for use；And c) hardware environment building method is relatively simple, nothing
Wired cost is needed to put into, whole system structure composed advantage of lower cost.
It is last it should be noted that the bimodulus LED display control program shown in Fig. 2 is only configured with
The citing of the LED display control program of mobile communication module, it is not used for limiting the present invention, example
As it can also be that the LED being configured with mobile communication module that can only operate under asynchronous mode shows
Show that control system is (such as by the Video decoding module 240 in structure shown in Fig. 2 and synchronous/asynchronous mould
Formula switch key 235 dispenses).Further, it is to be appreciated that the core board 21 shown in Fig. 2,
Each element on base plate 23 and radio communication daughter board 25 can also be incorporated into same circuit board and
Non-it is divided on the circuit board that polylith is different.In addition, it is necessary to explanation, use 3G/4G wireless
The quantity of the multiple LED display control programs (being each configured with mobile communication module) connected does not limits
In five shown in Fig. 1, it is also possible to be other quantity.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any shape
Restriction in formula, although the present invention is disclosed above with preferred embodiment, but is not limited to
The present invention, any those skilled in the art, in the range of without departing from technical solution of the present invention,
When the technology contents of available the disclosure above makes a little change or is modified to the equivalence of equivalent variations in fact
Execute example, as long as being without departing from technical solution of the present invention content, according to the present invention technical spirit to
Any simple modification, equivalent variations and the modification that upper embodiment is made, all still falls within the technology of the present invention
In the range of scheme.
Claims (10)
1. a method of mobile communication, is applied to a kind of LED display control program, wherein said
LED display control program is used for connecting LED display and being configured with mobile communication module；It is special
Levying and be, described method of mobile communication includes:
Dialing step: detect and load described mobile communication module driver, detection SIM,
Initialize described mobile communication module and carry out PPP dialing so that described LED display is controlled system
System is connected to mobile communications network；
Disconnection reconnecting step: be periodically detected mobile communications network signal quality, is detecting movement
Communication network signal quality detects whether described LED display control program has been connected to move the most afterwards
Dynamic communication network, and detecting that described LED display control program is not connected to mobile radio communication
Detect SIM after network, initialize described mobile communication module and carry out PPP dialing with by institute
State LED display control program and be connected to mobile communications network；And
Monitoring step: the running status detecting described mobile communication module is the most normal, and in detection
Described mobile communication module power-off restarting is made during to described mobile communication module operation exception, in order to
Described dialing step is carried out to be shown by described LED after described mobile communication module power-off restarting
Control system is connected to mobile communications network.
2. method of mobile communication as claimed in claim 1, it is characterised in that described dialing step
Particularly as follows: detect and load the driver of described mobile communication module, in detection and load driver
Detect SIM after program success, after SIM being detected, initialize described mobile communication module
And after initializing the success of described mobile communication module, carry out PPP dialing to be shown by described LED
Show that control system is connected to mobile communications network.
3. method of mobile communication as claimed in claim 1 or 2, it is characterised in that described broken string
Reconnect step particularly as follows: be periodically detected mobile communications network signal quality, mobile logical detecting
Communication network signal quality detects whether described LED display control program has been connected to mobile the most afterwards
Communication network, examines after described LED display control program is not connected to mobile communications network detecting
Survey SIM, after SIM being detected, initialize described mobile communication module and initializing
PPP dialing is carried out with by described LED display control program even after the success of described mobile communication module
It is connected to mobile communications network.
4. method of mobile communication as claimed in claim 1, it is characterised in that described mobile communication
Module is 3G or 4G module.
5. a mobile communications device, is applied to a kind of LED display control program, wherein said
LED display control program is used for connecting LED display and being configured with mobile communication module；It is special
Levying and be, described mobile communications device includes:
Dial module, for detecting and load the driver of described mobile communication module, detection SIM
Block, initialize described mobile communication module and carry out PPP dialing with by described LED display control
System processed is connected to mobile communications network；
Disconnection reconnecting module, is used for being periodically detected mobile communications network signal quality, is detecting
Mobile communications network signal quality detects described LED display control program the most afterwards and the most connects
To mobile communications network, and detecting that described LED display control program is not connected to mobile communication
Detect SIM after network, initialize described mobile communication module and carry out PPP dialing with by institute
State LED display control program and be connected to mobile communications network；And
Monitoring module, the most normally and is examining for detecting the running status of described mobile communication module
Described mobile communication module power-off restarting is made when measuring described mobile communication module operation exception, in order to
In utilizing described dial module to be shown by described LED after described mobile communication module power-off restarting
Control system is connected to mobile communications network.
6. mobile communications device as claimed in claim 5, it is characterised in that described mobile communication
Module is 3G or 4G module.
7. a LED display control program, configures and leads to just like the movement described in claim 5 or 6
T unit.
8. LED display control program as claimed in claim 7, it is characterised in that described LED
Display control program also include flush bonding processor, network PHY chip, USB PHY chip,
PLD module, network output module, network interface and USB HUB module, described
Network PHY chip electrically connects described flush bonding processor, and described USB PHY chip electrically connects institute
Stating flush bonding processor, described PLD module electrically connects described flush bonding processor,
Described network output module electrically connects described PLD module, and described network interface electrically connects institute
Stating network PHY chip, described USB HUB module electrically connects described USB PHY chip, institute
State mobile communication module and electrically connect described USB HUB module.
9. LED display control program as claimed in claim 8, it is characterised in that described LED
Display control program also includes Video decoding module and isochronous/asynchronous mode switch key；Described video
Decoder module electrically connects described PLD module and is used for connecting external video source, described
Isochronous/asynchronous mode switch key electrically connects described flush bonding processor and being used for and switches described LED and show
Show that control system is operated in synchronous mode or asynchronous mode.
10. a clustered control LED display screen system, including server end and multiple as right want
Seek the LED display control program described in 7, and the plurality of LED display control program leads to respectively
Cross mobile communications network and be connected to described server end.
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