CN107093408B - The control method and device of backlight lightening when smart machine is switched on - Google Patents
The control method and device of backlight lightening when smart machine is switched on Download PDFInfo
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- CN107093408B CN107093408B CN201710515425.XA CN201710515425A CN107093408B CN 107093408 B CN107093408 B CN 107093408B CN 201710515425 A CN201710515425 A CN 201710515425A CN 107093408 B CN107093408 B CN 107093408B
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- smart machine
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- backlight control
- control chip
- backlight
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0613—The adjustment depending on the type of the information to be displayed
- G09G2320/062—Adjustment of illumination source parameters
Abstract
The control method and device of backlight lightening when the application provides a kind of booting of smart machine, applied to smart machine, the described method includes: after the backlight control chip that the smart machine is equipped with powers on, the configuration that the MCU that script is equipped with by the power panel of the smart machine carries out the backlight control chip to backlighting parameters is switched to the configuration that the switch single-chip microcontroller being equipped with by the mainboard of the smart machine carries out backlighting parameters to the backlight control chip；The backlighting parameters that the backlight control chip configures the backlight control chip according to the switch single-chip microcontroller are controlled, the backlight panel of the smart machine is lighted.Using this method, the time-consuming of backlight panel ignition when can shorten smart machine booting.
Description
Technical field
The controlling party of backlight lightening when being switched on this application involves backlighting technology field more particularly to a kind of smart machine
Method and device.
Background technique
Currently, in existing smart machine backlight control mode, smart machine be switched on to backlight panel light it is entire
In process, the operations for the main control chip that smart machine is equipped with are sequentially carried out, specifically: it is sequentially completed GPIO
Switch single-chip microcontroller fortune in (General Purpose Input Output, universal input/output) initialization, guidance mainboard
Row, the initialization of display screen, notice power supply chip are to MCU (Master Control Unit, master controller) and backlight control
Chip is powered, and then controls the configuration that MCU carries out backlighting parameters to backlight control chip, final backlight control chip foundation
The backlighting parameters of MCU configuration light the backlight panel of smart machine.This process sequentially carried out will lead to smart machine booting
It is taken a long time to the whole process that backlight panel is lighted.
Summary of the invention
In view of this, the application provides a kind of control method and device of backlight lightening when smart machine is switched on, to shorten
The time-consuming of backlight panel ignition when smart machine is switched on.
Specifically, the application is achieved by the following technical solution:
According to the embodiment of the present application in a first aspect, provide a kind of smart machine booting when backlight lightening control method,
Applied to smart machine, which comprises
It, will be on power panel of the script by the smart machine after the backlight control chip that the smart machine is equipped with powers on
The MCU being equipped with carries out the configuration of backlighting parameters to the backlight control chip, is switched on the mainboard by the smart machine and sets
Some switchs the configuration that single-chip microcontroller carries out backlighting parameters to the backlight control chip；
It controls the backlight control chip and the backlight that the backlight control chip configures is joined according to the switch single-chip microcontroller
Number, lights the backlight panel of the smart machine.
According to the second aspect of the embodiment of the present application, the control device of backlight lightening when a kind of booting of smart machine is provided,
Applied to smart machine, described device includes:
Configuration module, for inciting somebody to action originally by the intelligence after the backlight control chip that the smart machine is equipped with powers on
The MCU that the power panel of equipment is equipped with carries out the configuration of backlighting parameters to the backlight control chip, is switched to by the intelligence
The switch single-chip microcontroller that the mainboard of equipment is equipped with carries out the configuration of backlighting parameters to the backlight control chip；
Control module, for controlling the backlight control chip according to the switch single-chip microcontroller to the backlight control chip
The backlighting parameters of configuration light the backlight panel of the smart machine.
As seen from the above-described embodiment, the application is by inciting somebody to action originally after the backlight control chip that smart machine is equipped with powers on
The MCU being equipped with by the power panel of smart machine to backlight control chip carry out backlighting parameters configuration, be switched to by intelligence
The switch single-chip microcontroller that the mainboard of equipment is equipped with carries out the configuration of backlighting parameters to backlight control chip, since switch single-chip microcontroller is first
Start in MCU, so as to realize the configuration for carrying out backlighting parameters to backlight control chip as soon as possible, to control backlight as soon as possible
The backlighting parameters that control chip configures backlight control chip according to switch single-chip microcontroller, light the backlight panel of smart machine, contract
The time-consuming of backlight panel ignition when short smart machine booting.
Detailed description of the invention
Figure 1A is that the backlight panel of smart machine lights one of schematic diagram of process；
Figure 1B is the flow diagram that MCU configures backlight control chip；
Fig. 1 C is that the backlight panel of smart machine lights the two of the schematic diagram of process；
Fig. 2A is the embodiment flow chart of the control method of backlight lightening when the application smart machine is switched on；
Fig. 2 B is that the backlight panel of smart machine in the application lights the schematic diagram of process；
Fig. 3 is a kind of hardware configuration of smart machine where the control device of backlight lightening when the application smart machine is switched on
Figure；
Fig. 4 is one embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on；
Fig. 5 is another embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on；
Fig. 6 is the further embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Android system is the operating system based on Linux, and the Booting sequence of Android system is roughly divided into three phases: Boot
Loader guides mboot starting, and mboot guides linux kernel starting, application program load.In the prior art, smart machine
Backlight panel to light process be mainly to complete in mboot guidance linux kernel startup stage, also, backlight panel is lighted
Whole flow process in, the operations of main control chip sequentially carry out.
It is as follows, in the prior art, it is illustrated from the smart machine whole flow process lighted to backlight panel that is switched on:
A referring to Figure 1 lights one of schematic diagram of process for the backlight panel of smart machine.As shown in Figure 1A, Boot
After Loader guides mboot starting, the main control chip that smart machine is equipped with first initializes GPIO, later directing switch
Single-chip microcontroller initialization, wherein switch single-chip microcontroller is dynamic backlight data are transmitted after being exclusively used in control smart machine booting one
Single-chip microcontroller after main control chip has guided switch single-chip microcontroller starting, initializes display screen according to screen specification book, screen
After the completion of initialization, main control chip controls GPIO and exports a high level signal, which is known as SW signal, with logical
Know that MCU that the power supply chip that smart machine is equipped with is externally connected on power panel and backlight control chip are powered, in MCU and back
After photocontrol chip is both powered up, MCU carries out the configuration of backlighting parameters to backlight control chip, so that backlight control chip foundation
The backlighting parameters of MCU configuration light backlight panel.
B referring to Figure 1, the flow diagram that backlight control chip is configured for MCU.As shown in Figure 1B, wherein back
Photocontrol chip by taking 7027 chips of dialog company as an example, power supply chip that smart machine is equipped with according to SW signal, to MCU and
After 7027 power supplies, 7027 carry out the initialization of itself first, i.e., 7027 initially enter can steady operation state, while MCU
Also the initialization of itself is carried out, such as configures the running parameter of itself, initialization SPI (Serial Peripheral
Interface, Serial Peripheral Interface (SPI)) controller, etc. operation.Subsequent, after MCU and 7027 initializes completion, MCU can taste
Examination is communicated with 7027, to detect the data path between MCU and 7027, such as SPI access or I2C (Inter
Integrated Circuit, I2C bus) whether access normal, if detecting, data path is abnormal, and MCU will do it more
Secondary trial, until detecting that data path is normal.It, can be with after MCU detects that the data path between itself and 7027 is normal
By the data path, backlighting parameters are written in the register to 7027, to carry out backlighting parameters configuration to 7027, so that 7027 bases
The backlight panel of smart machine is lighted in the backlighting parameters.
In order to enable in the prior art, smart machine be switched on the whole flow process lighted to backlight panel execution sequence more
Clearly, C referring to Figure 1, for smart machine backlight panel light process schematic diagram two.
In the prior art, it is switched in the whole flow process lighted to backlight panel from smart machine, the master that smart machine is equipped with
Control chip will lead to whole flow process and take a long time to sequentially carrying out for operations.Based on this, the application proposes that a kind of intelligence is set
The control method and device of backlight lightening when standby booting, the time-consuming of backlight panel ignition when shortening smart machine booting.
As follows, the control method for enumerating backlight lightening when following embodiments are switched on to the application smart machine is illustrated:
Fig. 2A is referred to, the embodiment flow chart of the control method of backlight lightening when being switched on for the application smart machine should
Method can be applied to smart machine, and this method may comprise steps of:
Step 201: after the backlight control chip that smart machine is equipped with powers on, by script by the power panel of smart machine
The MCU being equipped with carries out the configuration of backlighting parameters to backlight control chip, is switched to the switch being equipped with by the mainboard of smart machine
Single-chip microcontroller carries out the configuration of backlighting parameters to backlight control chip.
Step 202: the backlighting parameters that control backlight control chip configures backlight control chip according to switch single-chip microcontroller, point
The backlight panel of bright smart machine.
It is as follows, step 201 and step 202 are described in detail:
In one embodiment, the initial time that the switch single-chip microcontroller being equipped on the mainboard of smart machine is initialized,
The GPIO that i.e. control smart machine is equipped with generates the SW signal of a high level.
In one embodiment, the switch single-chip microcontroller being equipped on the mainboard of smart machine completes the end time of initialization,
The GPIO that i.e. control smart machine is equipped with generates the SW signal of a high level.
Subsequent, smart machine then can control the power supply chip foundation SW signal itself being equipped with, the backlight being equipped with to itself
Control chip powers on.
In this application, SW signal whether is generated in the initial time control GPIO that switch single-chip microcontroller is initialized,
Or switch single-chip microcontroller complete initialization end time control GPIO generate SW signal, compared to the prior art in, right
After the completion of display screen is initialized, for just controlling GPIO generation SW signal, the application may be implemented to control earlier
GPIO generates SW signal, to realize power supply chip that smart machine is equipped with earlier to backlight control chip, such as on 7027
Electricity.
It as shown in Figure 1A, is by MCU after the initialization of MCU betides switch single-chip microcontroller starting, and in the prior art
The configuration of backlighting parameters is carried out to 7027, and is proposed in the application, backlighting parameters will be carried out to backlight control chip by MCU originally
Configuration, be switched to by switch single-chip microcontroller to backlight control chip carry out backlighting parameters configuration.So operation, due to switching monolithic
Machine starts prior to MCU, so that the configuration for carrying out backlighting parameters to backlight control chip earlier may be implemented in the application, so as to
Backlight panel is lighted with the backlighting parameters for realizing that control backlight control chip is configured according to switch single-chip microcontroller earlier.
In foregoing description, the process that switch single-chip microcontroller carries out backlighting parameters configuration to backlight control chip may include:
Data path of the switch monolithic machine testing itself that the mainboard of smart machine is equipped between backlight control chip
It is whether normal；
When detecting that data path is normal, switch single-chip microcontroller carries out the configuration of backlighting parameters to backlight control chip.
Wherein, data of the switch monolithic machine testing itself that the mainboard of smart machine is equipped between backlight control chip
The whether normal process of access may include:
After switching single-chip microcontroller starting, preset data is written to the register of backlight control chip, later, switch single-chip microcontroller is again
Data are read from the register, and judge whether read data are the preset data, if so, switch single-chip microcontroller can
To think that itself data path between backlight control chip is normal.If switching monolithic after primary " write-in ", " reading " operation
Machine testing show that itself data path between backlight control chip is abnormal, and switchs the reality that single-chip microcontroller executes aforesaid operations
When border number is not up to preset frequency threshold value, then aforesaid operations can be continued to execute by switching single-chip microcontroller, until the number read
When according to for preset data, it is believed that itself data path between backlight control chip is normal；Or until actual frequency reaches
Preset frequency threshold value, and the data finally read still be preset data when, determine itself between backlight control chip
Data path it is abnormal.
In addition, being switched when switching single-chip microcontroller and detecting that itself data path backlight control chip between is abnormal
The main control chip that single-chip microcontroller can be equipped with to smart machine sends prompting message, and the prompting message is for indicating backlight control chip
It is abnormal, so that smart machine finds failure as soon as possible.
Fig. 2 B is referred to, the schematic diagram of process is lighted for the backlight panel of smart machine in the application.Pass through comparison diagram 2B
With Fig. 1 C it can be found that the application backlight panel, which lights the moment, earlier than backlight panel in the prior art lights the moment, it can be seen that,
The time-consuming of backlight panel ignition when the application can shorten smart machine booting.
As seen from the above-described embodiment, the application is by inciting somebody to action originally after the backlight control chip that smart machine is equipped with powers on
The MCU being equipped with by the power panel of smart machine to backlight control chip carry out backlighting parameters configuration, be switched to by intelligence
The switch single-chip microcontroller that the mainboard of equipment is equipped with carries out the configuration of backlighting parameters to backlight control chip, since switch single-chip microcontroller is first
Start in MCU, so as to realize the configuration for carrying out backlighting parameters to backlight control chip as soon as possible, to control backlight as soon as possible
The backlighting parameters that control chip configures backlight control chip according to switch single-chip microcontroller, light the backlight panel of smart machine, contract
The time-consuming of backlight panel ignition when short smart machine booting.
Corresponding with the embodiment of control method of backlight lightening when aforementioned intelligent device power-up, present invention also provides intelligence
The embodiment of the control device of backlight lightening when energy device power-up.
The embodiment of the control device of backlight lightening can be using on intelligent devices when the application smart machine is switched on.Dress
Setting embodiment can also be realized by software realization by way of hardware or software and hardware combining.It is implemented in software to be
Example, as the device on a logical meaning, being will be right in nonvolatile memory by the processor of smart machine where it
The computer program instructions answered are read into memory what operation was formed.For hardware view, as shown in figure 3, being the application intelligence
A kind of hardware structure diagram of smart machine where the control device of backlight lightening when energy device power-up, in addition to processing shown in Fig. 3
Except device 31, memory 32, network interface 33 and nonvolatile memory 34, the smart machine in embodiment where device is logical
Often according to the actual functional capability of the smart machine, it can also include other hardware, this is repeated no more.
Referring to FIG. 4, be one embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on, it should
Device may include: configuration module 41, control module 42.
Wherein, configuration module 41 can be used for after the backlight control chip that the smart machine is equipped with powers on, will be originally
The MCU being equipped with by the power panel of the smart machine carries out the configuration of backlighting parameters to the backlight control chip, is switched to
The switch single-chip microcontroller being equipped with by the mainboard of the smart machine carries out the configuration of backlighting parameters to the backlight control chip；
Control module 42 can be used for controlling the backlight control chip according to the switch single-chip microcontroller to the backlight control
The backlighting parameters of coremaking piece configuration, light the backlight panel of the smart machine.
In one embodiment, described device can also include (not showing that in Fig. 4):
First signal control module, what the switch single-chip microcontroller for being equipped on the mainboard of smart machine was initialized rises
Begin the moment, controls the SW signal that the GPIO that the smart machine is equipped with generates a high level；
Electric control module on first, for controlling power supply chip that the smart machine is equipped with according to the SW signal to institute
The backlight control chip that smart machine is equipped with is stated to power on.
In one embodiment, described device can also include:
Second signal control module, the switch single-chip microcontroller for being equipped on the mainboard of smart machine complete the end of initialization
The only moment controls the SW signal that the GPIO that the smart machine is equipped with generates a high level；
Electric control module on second, for controlling power supply chip that the smart machine is equipped with according to the SW signal to institute
The backlight control chip that smart machine is equipped with is stated to power on.
Referring to FIG. 5, be another embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on,
The device shown in fig. 5 is on the basis of above-mentioned Fig. 4 shown device, wherein configuration module 41 may include write-in detection submodule
Block 411, processing reading submodule 412.
Wherein, detection sub-module 411, can be used for switch monolithic machine testing that the mainboard of the smart machine is equipped with from
Whether the data path between body and the backlight control chip is normal；
Submodule 412 is handled, can be used for when detecting that the data path is normal, the switch single-chip microcontroller is to described
The configuration of backlight control chip progress backlighting parameters.
In one embodiment, detection sub-module 411 may include (not showing that in Fig. 5):
Submodule is written, the switch single-chip microcontroller that the mainboard for the smart machine is equipped with is to the backlight control chip
Register be written preset data；
Reading submodule reads data from the register of the backlight control chip for the switch single-chip microcontroller；
Judging submodule judges to read from the register of the backlight control chip for the switch single-chip microcontroller
Whether data are the preset data；
First determines submodule, for reading from the register of the backlight control chip when the switch single-chip microcontroller
Data when being the preset data, determine that itself data path between the backlight control chip is normal；
Second determines submodule, for reading from the register of the backlight control chip when the switch single-chip microcontroller
Data when not being the preset data, present count is being written to the register of the backlight control chip in the switch single-chip microcontroller
According to actual frequency be not up to preset frequency threshold value when, continue to the register of the backlight control chip be written present count
According to, and from the register read data of the backlight control chip, until the actual frequency reaches preset frequency threshold value, and
When the data finally read are not still the preset datas, itself data path between the backlight control chip is determined
It is abnormal.
Referring to FIG. 6, be the further embodiment block diagram of the control device of backlight lightening when the application smart machine is switched on,
The device shown in fig. 6 can also include: alarm module 43 on the basis of above-mentioned Fig. 5 shown device.
The alarm module 43 can be used for when detecting that the data path is abnormal, and the switch single-chip microcontroller is to institute
It states the main control chip that smart machine is equipped with and sends prompting message, the prompting message is for indicating that the backlight control chip is different
Often.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize application scheme.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (12)
1. the control method of backlight lightening when a kind of smart machine is switched on, is applied to smart machine, which is characterized in that the method
Include:
After the backlight control chip that the smart machine is equipped with powers on, the switch list that is equipped with by the mainboard of the smart machine
Piece machine carries out the configuration of backlighting parameters to the backlight control chip, and the backlighting parameters are originally by the electricity of the smart machine
The configuration that the master controller MCU that source plate is equipped with is carried out, the switch single-chip microcontroller are to be exclusively used in controlling the smart machine booting
The single-chip microcontroller of dynamic backlight data transmitting afterwards；
Control the backlighting parameters that the backlight control chip configures the backlight control chip according to the switch single-chip microcontroller, point
The backlight panel of the bright smart machine.
2. the method according to claim 1, wherein the backlight control chip that the smart machine is equipped with powers on,
Include:
The initial time that the switch single-chip microcontroller being equipped on the mainboard of smart machine is initialized, controls the smart machine and sets
Some universal inputs/output GPIO generates the SW signal of a high level；
Control the backlight control that the power supply chip that the smart machine is equipped with is equipped with the smart machine according to the SW signal
Chip powers on.
3. the method according to claim 1, wherein the backlight control chip that the smart machine is equipped with powers on,
Include:
The switch single-chip microcontroller being equipped on the mainboard of smart machine completes the end time of initialization, controls the smart machine and sets
Some GPIO generate the SW signal of a high level；
Control the backlight control that the power supply chip that the smart machine is equipped with is equipped with the smart machine according to the SW signal
Chip powers on.
4. the method according to claim 1, wherein the switch single-chip microcontroller that the mainboard of the smart machine is equipped with
The configuration of backlighting parameters is carried out to the backlight control chip, comprising:
Data between the mainboard of the smart machine switch monolithic machine testing itself being equipped with and the backlight control chip
Whether access is normal；
When detecting that the data path is normal, the switch single-chip microcontroller carries out backlighting parameters to the backlight control chip
Configuration.
5. according to the method described in claim 4, it is characterized in that, the switch single-chip microcontroller that the mainboard of the smart machine is equipped with
Whether normal detect itself data path between the backlight control chip, comprising:
Present count is written to the register of the backlight control chip in the switch single-chip microcontroller that the mainboard of the smart machine is equipped with
According to；
The switch single-chip microcontroller reads data from the register of the backlight control chip；
The switch single-chip microcontroller judges whether the data read from the register of the backlight control chip are described default
Data, if so, data path of the determination itself between the backlight control chip is normal；
Otherwise, the switch single-chip microcontroller does not reach to the actual frequency of the register of backlight control chip write-in preset data
When to preset frequency threshold value, continue that preset data is written to the register of the backlight control chip, and from the backlight control
The register read data of coremaking piece, until the data that the actual frequency reaches preset frequency threshold value, and finally reads
When not still being the preset data, determine that itself data path between the backlight control chip is abnormal.
6. according to the method described in claim 4, it is characterized in that, the method also includes:
When detecting that the data path is abnormal, the main control chip that the switch single-chip microcontroller is equipped with to the smart machine is sent out
Prompting message is sent, the prompting message is for indicating that the backlight control chip is abnormal.
7. the control device of backlight lightening when a kind of smart machine is switched on, is applied to smart machine, which is characterized in that described device
Include:
Configuration module, for after the backlight control chip that the smart machine is equipped with powers on, by the mainboard of the smart machine
The switch single-chip microcontroller being equipped with carries out the configuration of backlighting parameters to the backlight control chip, and the backlighting parameters are originally by institute
State the configuration that the master controller MCU that the power panel of smart machine is equipped with is carried out, the switch single-chip microcontroller is is exclusively used in controlling institute
State the single-chip microcontroller that dynamic backlight data are transmitted after smart machine is switched on；
Control module configures the backlight control chip according to the switch single-chip microcontroller for controlling the backlight control chip
Backlighting parameters, light the backlight panel of the smart machine.
8. device according to claim 7, which is characterized in that described device further include:
First signal control module, when the starting that the switch single-chip microcontroller for being equipped on the mainboard of smart machine is initialized
It carves, controls the SW signal that the GPIO that the smart machine is equipped with generates a high level；
Electric control module on first, for controlling power supply chip that the smart machine is equipped with according to the SW signal to the intelligence
The backlight control chip that energy equipment is equipped with powers on.
9. device according to claim 7, which is characterized in that described device further include:
Second signal control module, when the switch single-chip microcontroller for being equipped on the mainboard of smart machine completes the termination of initialization
It carves, controls the SW signal that the GPIO that the smart machine is equipped with generates a high level；
Electric control module on second, for controlling power supply chip that the smart machine is equipped with according to the SW signal to the intelligence
The backlight control chip that energy equipment is equipped with powers on.
10. device according to claim 7, which is characterized in that the configuration module includes:
Detection sub-module, the switch monolithic machine testing itself and the backlight control that the mainboard for the smart machine is equipped with
Whether the data path between chip is normal；
Submodule is handled, for when detecting that the data path is normal, the switch single-chip microcontroller to be to the backlight control core
The configuration of piece progress backlighting parameters.
11. device according to claim 10, which is characterized in that the detection sub-module includes:
Submodule, switch single-chip microcontroller the posting to the backlight control chip that the mainboard for the smart machine is equipped with is written
Preset data is written in storage；
Reading submodule reads data from the register of the backlight control chip for the switch single-chip microcontroller；
Judging submodule judges the data read from the register of the backlight control chip for the switch single-chip microcontroller
It whether is the preset data；
First determines submodule, the number for reading from the register of the backlight control chip when the switch single-chip microcontroller
When according to being the preset data, determine that itself data path between the backlight control chip is normal；
Second determines submodule, the number for reading from the register of the backlight control chip when the switch single-chip microcontroller
When according to not being the preset data, preset data is being written to the register of the backlight control chip in the switch single-chip microcontroller
When actual frequency is not up to preset frequency threshold value, continue that preset data is written to the register of the backlight control chip, and
From the register read data of the backlight control chip, until the actual frequency reaches preset frequency threshold value, and final
When the data read are not still the preset datas, determine itself data path between the backlight control chip not just
Often.
12. device according to claim 10, which is characterized in that described device further include:
Alarm module, for when detecting that the data path is abnormal, the switch single-chip microcontroller to be set to the smart machine
Some main control chips send prompting message, and the prompting message is for indicating that the backlight control chip is abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515425.XA CN107093408B (en) | 2017-06-29 | 2017-06-29 | The control method and device of backlight lightening when smart machine is switched on |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751114A (en) * | 2008-12-22 | 2010-06-23 | 联想(北京)有限公司 | Display switching method for mobile terminal and mobile terminal |
| CN103595994A (en) * | 2013-11-13 | 2014-02-19 | 四川长虹电器股份有限公司 | Backlight scanning system and method based on shutter type display |
| CN105679256A (en) * | 2015-05-25 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for dynamically adjusting backlight |
| CN106293750A (en) * | 2016-08-16 | 2017-01-04 | 北京神州视翰科技股份有限公司 | A kind of control method of intelligent display device start |
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| WO2016204973A1 (en) * | 2015-06-19 | 2016-12-22 | Intel Corporation | Enabling a chipset that supports a single display to support dual display |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751114A (en) * | 2008-12-22 | 2010-06-23 | 联想(北京)有限公司 | Display switching method for mobile terminal and mobile terminal |
| CN103595994A (en) * | 2013-11-13 | 2014-02-19 | 四川长虹电器股份有限公司 | Backlight scanning system and method based on shutter type display |
| CN105679256A (en) * | 2015-05-25 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for dynamically adjusting backlight |
| CN106293750A (en) * | 2016-08-16 | 2017-01-04 | 北京神州视翰科技股份有限公司 | A kind of control method of intelligent display device start |
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