CN105282303B - A kind of control device of mobile terminal, control method and its mobile terminal - Google Patents
A kind of control device of mobile terminal, control method and its mobile terminal Download PDFInfo
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- CN105282303B CN105282303B CN201410338790.4A CN201410338790A CN105282303B CN 105282303 B CN105282303 B CN 105282303B CN 201410338790 A CN201410338790 A CN 201410338790A CN 105282303 B CN105282303 B CN 105282303B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
Abstract
The present invention relates to mobile communication technology field more particularly to a kind of control devices of mobile terminal, control method and its mobile terminal.The control device of mobile terminal, the mobile terminal include display module, status register and processor, and the control device includes detection module and respond module；Detection module, for sending abnormal signal to the respond module when any operative status signal of the marking signal and/or the display module that detect the status register has abnormal；Respond module when for receiving the abnormal signal of the detection module, sends reset signal to the processor, so that the processor resets the display module.The embodiment of the invention also provides a kind of control method of mobile terminal and mobile terminals, can interference of the automatic static electricity eliminating to display module using the embodiment of the present invention.
Description
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of control device of mobile terminal, control method and
Its mobile terminal.
Background technique
Display module (Liquid Crystal Display Module, LCM) is always the important equipment of mobile terminal,
The state of its work directly influences the usage experience of user；Intelligent mobile terminal starts to generally use large-sized display at present
Mould group, takes the mobile phone as an example, and display screen is usually 4.5 ' qHD (Quarter High Definition), 5.0 ' HD (High
Definition) display screen etc., in addition the ultrathin design trend of intelligent mobile terminal, severe use environment is anti-to display module
Electrostatic (Electro-Static Discharge, ESD) ability brings higher requirement.However, the printed circuit of display module
Longer pin foot of the arrangement limited space of plate (Flexible Printed Circuit board, FPC) and FPC etc. because
Element, so that increasingly difficult to the realization of the anti-ESD protection of display module.
Summary of the invention
In order to solve the mobile terminal display module technical problem abnormal by electrostatic interference display, the present invention provides a kind of shifting
Control device, control method and its mobile terminal of dynamic terminal, can interference of the automatic static electricity eliminating to display module.
In a first aspect, the present invention provides a kind of control of mobile terminal dresses as the first embodiment of the invention
It sets, the mobile terminal includes display module, status register and processor, and the control device includes detection module and response
Module；
Detection module, for any in the marking signal and/or the display module that detect the status register
When working state signal has abnormal, abnormal signal is sent to the respond module；
Respond module when for receiving the abnormal signal of the detection module, sending to the processor and resetting
Signal, so that the processor resets the display module.
In conjunction with the first embodiment, as second of embodiment, the respond module is specially timer, the inspection
Surveying module is specially logic control circuit；
The logic control circuit, in the marking signal and/or the display mould for detecting the status register
When any operative status signal of group has abnormal, is sent to the timer and stop counter reset signal, so that the timer
It counts and overflows；
The timer, for reset signal being sent to the processor, so that the processor pair after counting spilling
The display module resets.
In conjunction with second of embodiment, as the third embodiment, the working state signal is line synchronising signal, frame
Synchronization signal, gate scanning signal, row enable signal, source scanning signal, each internal clocking driving signal, panel driving
Any one of signal.
In conjunction with the third embodiment, as the 4th kind of embodiment, the logic control circuit include with door, it is described aobvious
Show that mould group includes the operational module for exporting the working state signal；
At least one operational module connects one to one at least input terminal with door, the status register
Marking signal output end connect with described with another input terminal of door, the weight that the timer is connect with the output end of door
Set end；
The output end of the timer connects the processor.
In conjunction with the third embodiment, as the 5th kind of embodiment, the logic control circuit includes or door, described aobvious
Show that mould group includes the operational module for exporting the working state signal；
At least one operational module connects one to one with described or door at least input terminal, the status register
Marking signal output end connect with described or door another input terminal, described or door output end connects the weight of the timer
Set end；
The output end of the timer connects the processor.
In conjunction with the third embodiment, as the 6th kind of embodiment, the logic control circuit includes NAND gate, described
Display module includes the operational module for exporting the working state signal；
At least one operational module and an at least input terminal for the NAND gate connect one to one, the Status register
The marking signal output end of device is connect with another input terminal of the NAND gate, and the output end of the NAND gate connects the timing
The resetting end of device；
The output end of the timer connects the processor.
In conjunction with the third embodiment, as the 7th kind of embodiment, the logic control circuit includes nor gate, described
Display module includes the operational module for exporting the working state signal；
An at least input terminal at least one operational module and the nor gate connects one to one, the Status register
The marking signal output end of device is connect with another input terminal of the nor gate, and the output end of the nor gate connects the timing
The resetting end of device；
The output end of the timer connects the processor.
In conjunction with any embodiment in the first to seven, as the 8th kind of embodiment, the display module includes one driving
Dynamic IC module, the control device are set to driving IC inside modules.
Second aspect, the present invention also provides a kind of mobile terminal, the mobile terminal includes display module, Status register
Device and processor, it further includes a kind of control device of mobile terminal described in any embodiment in above-mentioned first aspect.
The third aspect, the present invention also provides a kind of control method of mobile terminal, the mobile terminal includes display mould
Group, status register and processor, the control method include:
Whether the id signal of the working state signal and the status register that detect the display module has exception；
When detecting the id signal exception and/or when any working state signal exception, to the processing
Device sends reset signal, so that the processor resets the display module.
Control device, control method and its mobile terminal of a kind of mobile terminal of the present invention have the advantages that
The detection module is for examining the marking signal of status register and the working state signal of display module
It surveys, when any operative status signal of the marking signal of the status register and/or the display module has abnormal, response
Module receives the abnormal signal of detection module sending, and actively sends reset signal to processor, and processor is to display module
It resets, can have and timely and effectively remove the electrostatic interference that display module is subject to, avoid because showing mould described in processor active detecting
Group operating status and occupying system resources, influence running efficiency of system.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic block circuit diagram of one embodiment of the control device of mobile terminal of the present invention；
Fig. 2 is that watchdog module works normally in one embodiment of the control method of mobile terminal of the present invention
Timing diagram；
Timing diagram when Fig. 3 is working state signal exception in the corresponding embodiment of Fig. 2；
Fig. 4 is timing diagram when indicating abnormal signal in the corresponding embodiment of Fig. 2；
Fig. 5 is the schematic block circuit diagram of another embodiment of the control device of mobile terminal of the present invention；
Fig. 6 is the timing diagram that watchdog module works normally in the corresponding control method of control device described in Fig. 5；
Fig. 7 be in the corresponding control method of control device described in Fig. 5 line synchronising signal is abnormal in working state signal and picture
Timing diagram when plain clock signal is normal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is as shown in Figure 1 a kind of one embodiment of the control device of mobile terminal of the invention, wherein mobile terminal packet
Display module, status register and processor 2 are included, control device includes detection module and respond module；
Detection module, for any operative state in the marking signal and/or display module for detecting status register
When signal has abnormal, abnormal signal is sent to respond module；
Respond module when for receiving the abnormal signal of detection module, sends reset signal to processor 2, so that place
Device 2 is managed to reset display module.
In this example it is shown that mould group includes a driving IC module, the working state signal of driving IC module output is
Frame synchronizing signal.Control device includes a watchdog module 1, and watchdog module 1 is set to driving IC inside modules,
Watchdog module 1 includes timer 12 and logic control circuit.Respond module is specially the timer of watchdog module 1
12, detection module is specially the logic control circuit of watchdog module 1.
Wherein, the preferred frame synchronizing signal of working state signal of detection module detection.Watchdog module is set at this time
IC inside modules are driven, circuit board arrangement space on the one hand can be saved, on the other hand can will drive the frame of IC inside modules
Synchronization signal is directly output to watchdog module in it, optimizes circuit layout, at the same avoid circuit from drawing and by outside
Interference.
Wherein, logic control circuit, for any in the marking signal and/or display module that detect status register
It when working state signal has abnormal, is sent to timer 12 and stops counter reset signal, so that timer count overflows；
Timer is used for after counting spilling, sends reset signal to processor 2, so that processor 2 is multiple to display module
Position.
Logic control circuit acquires the working state signal of display module and the marking signal of status register in real time, and passes through
It crosses after logic judgment and exports counter reset signal, when judging display module exception, the level of working state signal to timer
There is the level overturning of exception or id signal, logic control circuit output stops counter reset signal, the timing of timer 12
Numerical value overflows preset value because that can not reset, so that the level overturning that timer 12 exports.Processor 2 is detecting timer 12
Level overturning when, to display module carry out forced resetting operation.The present invention is automatic detection to the detection process of electrostatic, when aobvious
When showing mould group exception, timer 12 actively issues reset signal.
The present invention is automatic detection to the detection process of electrostatic, and when display module exception, timer 12 actively issues multiple
Position signal.The state progress active detecting that processor individually distributes resource to display module is not needed, implementation method is simple, does not account for
Use processor resource.
Logic control circuit include with door 11, with door 11 include two input terminals, display module includes output services state
The operational module of signal；
Wherein an operational module is connect with the input terminal with door 11, the marking signal output end of status register with door
11 another input terminal connection, the resetting end of timer 12 is connect with the output end of door 11, and resetting end stops counting for receiving
Reset signal；
The output end of timer 12 connects processor 2.
Wherein, working state signal can for line synchronising signal, frame synchronizing signal, gate scanning signal, row enable signal,
Any one of source scanning signal, each internal clocking driving signal, panel driving signal.Operational module can be as defeated
The driving IC module of frame synchronizing signal out.
Wherein, timer further includes a job control end, fixed when the job control of timer termination receives working signal
When device enter working condition.
As a kind of one embodiment of mobile terminal of the invention, mobile terminal includes display module, status register
It further include the control device of mobile terminal above-mentioned with processor 2.
One embodiment of control method as a kind of mobile terminal of the invention, mobile terminal include display module,
Status register and processor 2, the control method include:
Whether the id signal of the working state signal and status register that detect display module has exception；
When detecting id signal exception and/or when any operative status signal exception, is sent to processor 2 and reset letter
Number, so that processor 2 resets display module.
In the method for the present embodiment, working state signal be line synchronising signal, frame synchronizing signal, gate scanning signal,
Any one of row enable signal, source scanning signal, each internal clocking driving signal, panel driving signal.
Wherein, timer 12 further includes a job control end, when the job control termination of timer 12 receives working signal
When, timer enters working condition.
In this method embodiment, logic control circuit is that there are two input terminals and door, working state signal and mark for tool
Will signal is inputted by corresponding with door input terminal, stops counter reset signal by exporting with gate output terminal.
As shown in Figure 2, Figure 3, Figure 4, a certain working state signal is characterized with a-signal, presents continue in normal work
Property high and low level alternating, with B signal characterize marking signal, in normal work present duration high level, use RESET
Counter reset signal is characterized, signal, by determining with gate logic operation, is input to by a-signal and B signal with EN characterization
The working signal of runs control terminal, in runs, duration high level is presented in EN signal, is characterized with Y-signal
Timer output level, timer exports high level when display module works normally.
As shown in Fig. 2, RESET continuous exhibition is high and low level identical with a-signal since display module is working properly
Alternately, thus logic control circuit (in this embodiment be and door) persistently to export counter reset signal (defeated when RESET is high level
Out), the timing numerical value in timer is persistently reset, and timer does not overflow, so that Y-signal shows as high level always, is not in
Existing level overturning, processor do not carry out homing action to display module.
As shown in figure 3, that is, B signal is turned to low level from high level due to marking signal exception, RESET is patrolled with door
Volume operation obtains lasting low level, and timer stops counter reset signal signal and overflow due to receiving, Y-signal occur by
High level is to low level switching process, and processor is to display module progress homing action.
As shown in figure 4, a-signal shows lasting low level, RESET warp in back segment due to working state signal exception
Lasting low level is obtained with gate logic operation, timer can be considered and receive due to that can not receive counter reset signal
Stop counter reset signal signal and overflow, Y-signal occurs by high level to low level switching process, and processor is to display mould
Group carries out homing action.
Another implementation of control method as a kind of mobile terminal of the invention, logic control circuit can be
One or door, a wherein operational module for display module with or an input terminal of door connect, the marking signal output of status register
End with or door another input terminal connect or the output end of door connect timer resetting end；End is reset based on receiving and stopping
Number reset signal；The output end of timer connects processor.
When or door receive working state signal and when marking signal is lasting low level, judge working state signal and
Marking signal is abnormal, and processor carries out homing action to display module.
Another implementation of control method as a kind of mobile terminal of the invention, logic control circuit can be
One NAND gate, a wherein operational module for display module and an input terminal of NAND gate connect, the marking signal of status register
Output end and another input terminal of NAND gate connect, the resetting end of the output end connection timer of NAND gate；Resetting end is for connecing
It receives and stops counter reset signal；The output end of timer connects processor.
When NAND gate receives working state signal and marking signal is permanent High level, working state signal is judged
With marking signal exception, processor carries out homing action to display module.
Another implementation of control method as a kind of mobile terminal of the invention, logic control circuit can be
One nor gate, the input terminal connection of a wherein operational module AND OR NOT gate for display module, the marking signal of status register
Another input terminal of output end AND OR NOT gate connects, the resetting end of the output end connection timer of nor gate；Resetting end is for connecing
It receives and stops counter reset signal；The output end of timer connects processor.
After working state signal and marking signal do not export low level and certain time simultaneously, watchdog module
Judge that working state signal and marking signal are abnormal, processor carries out homing action to display module.
It is illustrated in figure 5 a kind of another embodiment of the control device of mobile terminal of the invention, as shown in figure 5, with
Unlike a kind of previous embodiment of the control device of mobile terminal of the invention, display module exports two working condition letters
Number to door 11, such as characterization line synchronising signal a-signal and characterization pixel clock signal C signal；B signal and embodiment one
It is identical, still characterize marking signal.
As shown in Figure 6 and Figure 7, the method in forced resetting operation element principle and embodiment one is carried out to display module
It is identical, unlike, only when a-signal, B signal, C signal do not export high level and certain time simultaneously, watchdog
Module just judges that working state signal and marking signal are abnormal, and processor carries out homing action to display module.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
It is the numerous embodiments provided in conjunction with particular content as described above, does not assert specific implementation office of the invention
It is limited to these explanations.If the logic control circuit is not limited only to and door, may also include or door, NOT gate, NAND gate, nor gate it
One or combinations thereof etc., working state signal be line synchronising signal, frame synchronizing signal, gate scanning signal, row enable signal,
Any one of source scanning signal, each internal clocking driving signal, panel driving signal, it is any to characterize current display
The control signal of mould group state can be used as working state signal etc..It is all approximate with the method for the present invention, structure etc., identical, or
For making several technology deduction or replace under the premise of inventive concept, protection scope of the present invention all should be considered as.
Claims (8)
1. a kind of control device of mobile terminal, the mobile terminal includes display module, status register and processor, spy
Sign is that the control device includes detection module and respond module；
Detection module, for any operative in the marking signal and/or the display module that detect the status register
When status signal has abnormal, abnormal signal is sent to the respond module；The working state signal is line synchronising signal, frame is same
Walk signal, gate scanning signal, row enable signal, source scanning signal, each internal clocking driving signal, panel driving letter
Any one of number；
Respond module when for receiving the abnormal signal of the detection module, sends reset signal to the processor,
So that the processor resets the display module；
Control device further includes watchdog module, and the watchdog module is set in the driving IC module of the display module
Portion, the respond module are specially timer, and the detection module is specially logic control circuit, the watchdog module packet
Include the timer and the logic control circuit；When line synchronising signal, marking signal and pixel clock signal do not export simultaneously
High level simultaneously continues for some time, and watchdog module judges that working state signal and marking signal are abnormal；
The logic control circuit, in the marking signal and/or the display module for detecting the status register
When any operative status signal has abnormal, is sent to the timer and stop counter reset signal, so that the timer count
It overflows；
The timer, for reset signal being sent to the processor, so that the processor is to described after counting spilling
Display module resets.
2. the control device of mobile terminal as described in claim 1, which is characterized in that the logic control circuit include with
Door, the display module includes the operational module for exporting the working state signal；
At least one operational module connects one to one at least input terminal with door, the mark of the status register
Will signal output end is connect with described with another input terminal of door, the resetting that the timer is connect with the output end of door
End；
The output end of the timer connects the processor.
3. the control device of mobile terminal as described in claim 1, which is characterized in that the logic control circuit include or
Door, the display module includes the operational module for exporting the working state signal；
At least one operational module connects one to one with described or door at least input terminal, the mark of the status register
Will signal output end is connect with described or door another input terminal, and described or door output end connects the resetting of the timer
End；
The output end of the timer connects the processor.
4. the control device of mobile terminal as described in claim 1, which is characterized in that the logic control circuit include with it is non-
Door, the display module includes the operational module for exporting the working state signal；
At least one operational module and an at least input terminal for the NAND gate connect one to one, the status register
Marking signal output end is connect with another input terminal of the NAND gate, and the output end of the NAND gate connects the timer
Reset end；
The output end of the timer connects the processor.
5. the control device of mobile terminal as described in claim 1, which is characterized in that the logic control circuit includes or non-
Door, the display module includes the operational module for exporting the working state signal；
An at least input terminal at least one operational module and the nor gate connects one to one, the status register
Marking signal output end is connect with another input terminal of the nor gate, and the output end of the nor gate connects the timer
Reset end；
The output end of the timer connects the processor.
6. the control device of the mobile terminal as described in one of claim 1 to 5, which is characterized in that the display module includes
One driving IC module, the control device are set to driving IC inside modules.
7. a kind of mobile terminal, the mobile terminal includes display module, status register and processor, which is characterized in that also
Control device including mobile terminal as claimed in any one of claims 1 to 6.
8. a kind of control method of mobile terminal, the mobile terminal includes display module, status register and processor, spy
Sign is that the control method includes:
Whether the id signal of the working state signal and the status register that detect the display module has exception；The work
Make status signal be line synchronising signal, frame synchronizing signal, gate scanning signal, row enable signal, source scanning signal, it is each in
Any one of portion's clock drive signals, panel driving signal；
When detecting the id signal exception and/or when any working state signal exception, sent out to the processor
Reset signal is sent, so that the processor resets the display module；
It is abnormal whether the working state signal of the detection display module and the id signal of the status register have
Step, comprising:
There is exception in any operative status signal of the marking signal and/or the display module that detect the status register
When, it is sent to timer and stops counter reset signal, so that the timer count overflows；When line synchronising signal, marking signal
It does not export high level simultaneously with pixel clock signal and continues for some time, watchdog module judges working state signal and mark
Will abnormal signal；
It is described when detecting the id signal exception and/or when any working state signal exception, to the processing
Device sends reset signal, so that the step of processor resets the display module, comprising:
After counting spilling, reset signal is sent to the processor, so that the processor resets the display module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338790.4A CN105282303B (en) | 2014-07-16 | 2014-07-16 | A kind of control device of mobile terminal, control method and its mobile terminal |
| PCT/CN2015/083970 WO2016008403A1 (en) | 2014-07-16 | 2015-07-14 | Control device and control method for mobile terminal, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338790.4A CN105282303B (en) | 2014-07-16 | 2014-07-16 | A kind of control device of mobile terminal, control method and its mobile terminal |
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| CN105282303A CN105282303A (en) | 2016-01-27 |
| CN105282303B true CN105282303B (en) | 2019-02-15 |
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| CN201410338790.4A Active CN105282303B (en) | 2014-07-16 | 2014-07-16 | A kind of control device of mobile terminal, control method and its mobile terminal |
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| WO (1) | WO2016008403A1 (en) |
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| CN105761661B (en) * | 2016-05-20 | 2019-03-05 | 上海中航光电子有限公司 | Display device and its method for restarting, display panel |
| CN107943603B (en) * | 2016-10-13 | 2022-07-15 | 迈普通信技术股份有限公司 | Running state detection method, detection circuit and electronic equipment |
| CN106569923A (en) * | 2016-10-25 | 2017-04-19 | 硅谷数模半导体（北京）有限公司 | Static detection system of integrated circuit, control method and apparatus |
| CN106649017A (en) * | 2016-12-30 | 2017-05-10 | 珠海市魅族科技有限公司 | On screen display abnormality processing method and mobile terminal |
| CN108683843B (en) * | 2018-04-28 | 2020-02-18 | Oppo广东移动通信有限公司 | Electronic equipment control method and device, electronic equipment and readable storage medium |
| CN108539576B (en) * | 2018-05-30 | 2020-06-12 | Oppo广东移动通信有限公司 | Control system and mobile terminal of laser projector |
| CN109766067A (en) * | 2019-01-04 | 2019-05-17 | Oppo广东移动通信有限公司 | Electrostatic interference restoration methods and relevant apparatus |
| CN111833782A (en) * | 2019-04-23 | 2020-10-27 | 北京集创北方科技股份有限公司 | Drive circuit detection method and device |
| CN110868266B (en) * | 2019-10-31 | 2022-01-28 | 维沃移动通信有限公司 | Electronic equipment and information processing method |
| CN112229520A (en) * | 2020-09-27 | 2021-01-15 | 武汉高德智感科技有限公司 | Chip working condition-based thermal infrared imager anti-static interference method and device |
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| CN201536395U (en) * | 2009-04-13 | 2010-07-28 | 青岛海信电器股份有限公司 | Reset circuit and electronic equipment |
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| CN102279722A (en) * | 2010-06-12 | 2011-12-14 | 联想移动通信科技有限公司 | Method for controlling display module of terminal and terminal |
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Also Published As
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|---|---|
| CN105282303A (en) | 2016-01-27 |
| WO2016008403A1 (en) | 2016-01-21 |
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