CN109119012A - Starting up's method and circuit - Google Patents
Starting up's method and circuit Download PDFInfo
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- CN109119012A CN109119012A CN201810978787.7A CN201810978787A CN109119012A CN 109119012 A CN109119012 A CN 109119012A CN 201810978787 A CN201810978787 A CN 201810978787A CN 109119012 A CN109119012 A CN 109119012A
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
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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
- G09G3/36—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 using liquid crystals
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The embodiment of the present application discloses a kind of starting up's method and circuit, which comprises receives the first clock signal of the M frame image of described image enhancing chip output；If there is the first clock signal of N frame image identical as the first preset value in the first clock signal of M frame image, first message is sent out to controller, so that controller controls and receives module according to first message and signal resolution module is resetted.The first clock signal in this way based on the output of image enhancement chip interior, can accurately determine whether the signal of image enhancement chip output is stable, and then accurate detection of the realization to front end signal, and when detecting that front end signal is stablized, restart signal receiving module and signal resolution module, so avoid the problem that as jitter that front end exports and caused by display screen flower screen or blank screen.
Description
Technical field
The invention relates to booting field of display technology more particularly to a kind of starting up's method and circuits.
Background technique
For the display of SOC (System on Chip, system level chip) is arranged, due in SOC without floating-point operation,
Can not carry out complicated DICOM (Digital Imaging and Communications in Medicine, medical digital at
Picture and communication) etc. criterion calculations, therefore cannot achieve DICOM built in display and calibrate automatically.At this point, in booting electrifying startup rank
The transmission of Duan Ruguo signal is unstable, then will appear colored screen, wire drawing, the display problems such as blank screen.
Existing method, using in FPGA (Field-Programmable Gate Array, field programmable gate array)
Timing (timing) testing mechanism in portion, it is whether stable come the signal that detects display front end.But existing method, work as parameter
When design inaccuracy, it still will appear flashing, or after being switched on the problems such as unexpected blank screen.
Summary of the invention
The embodiment of the present application provides a kind of starting up's method and circuit.
In a first aspect, the embodiment of the present application provides a kind of starting up's method, the method is suitable for starting up's circuit,
Starting up's circuit includes image enhancement chip, signal receiving module, signal resolution module, detection module and controller,
The described method includes:
The detection module receives the first clock signal of the M frame image of described image enhancing chip output；
If there is the first clock signal of N frame image identical as the first preset value in the first clock signal of the M frame image,
Then the detection module sends first message to the controller, so that the controller is according to first message control
Signal receiving module and the signal resolution module reset, wherein the first message, which is used to indicate, receives mould to the signal
Block and the signal resolution module are resetted.
In a kind of possible implementation of first aspect, the method also includes:
If there is the first clock signal of P frame image identical as the first preset value in the first clock signal of the M frame image,
Then the detection module judges whether the second clock signal of the signal resolution module output is identical as the second preset value,
In, the P is greater than the N, and second clock signal is the timing letter for the M+1 frame image that described image enhances chip output
Number；
If it is not, then first message is sent to the controller, so that the controller controls institute according to the first message
It states signal receiving module and the signal resolution module resets.
In the alternatively possible implementation of first aspect, the method also includes:
If second clock signal is identical as second preset value, the detection module is sent to the controller
Second message, so that image processing module, Signal coding module and sending module carry out solution reset；
The detection module judges whether the feedback signal of display screen output is equal to third preset value；
If it is not, then the detection module to the controller sends third message, so that the controller is according to described the
Three message control the Signal coding module and the sending module is resetted, wherein the third message is used to indicate to institute
It states Signal coding module and the sending module is resetted；
If so, the detection module sends ready signal to main control chip, so that the main control chip sends display letter
Number.
In the alternatively possible implementation of first aspect, the detection module receives the output of image enhancement chip
Before first clock signal of M frame image, the method also includes:
The controller controls the signal receiving module and the signal resolution module carries out initial solution reset.
In the alternatively possible implementation of first aspect, the controller is according to third message control
After Signal coding module and the sending module are resetted, the method also includes:
The detection module judges whether the response signal of the signal resolution module output is equal to the 4th preset value；
If it is not, then the detection module is to the controller transmission first message, so that the controller is according to institute
It states the first message control signal receiving module and the signal resolution module is resetted；
If so, the detection module receives the first clock signal of the M frame image of image enhancement chip output.
In the alternatively possible implementation of first aspect, the controller is according to first message control
Signal receiving module and the signal resolution module are resetted, comprising:
The controller control resets the receiving module and the signal resolution module after preset time period.
In the alternatively possible implementation of first aspect, the signal receiving module, the signal resolution module,
Described image processing module, the Signal coding module and the sending module are arranged on editable gate array chip.
In the alternatively possible implementation of first aspect, the main control chip, described image enhancing chip and institute
State editable gate array chip successively electrifying startup.
In the alternatively possible implementation of first aspect, the detection module is arranged in the editable gate array
On chip.
Second aspect, the embodiment of the present application provide a kind of starting up's circuit characterized by comprising controller, image
Enhancing chip and signal receiving module, signal resolution module and the detection module being electrically connected respectively with the controller；It is described
Image enhancement chip is electrically connected with the signal receiving module and the signal detection module respectively, the signal receiving module with
The signal resolution module electrical connection；
The detection module, the first clock signal of the M frame image for receiving described image enhancing chip output；If institute
Stating has the first clock signal of N frame image identical as the first preset value in the first clock signal of M frame image, then to the control
Device sends first message, wherein the first message is used to indicate to the signal receiving module and the signal resolution module
It is resetted；
The controller, for controlling the signal receiving module and the signal resolution module according to the first message
It resets.
In a kind of possible implementation of second aspect, the detection module, if being also used to the of the M frame image
There is the first clock signal of P frame image identical as the first preset value in one clock signal, then judges that the signal resolution module is defeated
Whether the second clock signal out is identical as the second preset value, if it is not, then sending first message to the controller；Wherein, institute
P is stated greater than the N, second clock signal is the clock signal for the M+1 frame image that described image enhances chip output；
The controller, for controlling the signal receiving module and the signal resolution module according to the first message
It resets.
In the alternatively possible implementation of second aspect, starting up's circuit further includes and the controller
Main control chip, image processing module, Signal coding module and the sending module being electrically connected, described image processing module, institute
It states Signal coding module and the sending module is sequentially connected electrically, described image processing module and the signal resolution module connect
It connects, the sending module is connect with display screen；
The detection module, if it is identical as second preset value to be also used to second clock signal, to the control
Device processed sends second message；
The controller is also used to control image processing module, Signal coding module and transmission according to the second message
Module carries out solution reset；
The detection module, is also used to judge whether the feedback signal of display screen output is equal to third preset value, if it is not, then
Third message is sent to the controller, wherein the third message is used to indicate to the Signal coding module and the transmission
Module is resetted；
The controller, be also used to be controlled according to the third message Signal coding module and the sending module into
Row resets；
The detection module, if the feedback signal for being also used to the display screen output is equal to third preset value, to master control
Chip sends ready signal, so that the main control chip sends display signal.
In the alternatively possible implementation of second aspect, the controller is also used to control the signal and receives
Module and the signal resolution module carry out initial solution reset.
In the alternatively possible implementation of second aspect, the detection module is also used to judge the signal solution
Whether the response signal of analysis module output is equal to the 4th preset value；If it is not, then the detection module to the controller send institute
First message is stated,
The controller is also used to control the signal receiving module and the signal resolution mould according to the first message
Block is resetted；
The detection module, if the response signal for being also used to the signal resolution module output is equal to the 4th preset value,
Receive the first clock signal of the M frame image of image enhancement chip output.
In the alternatively possible implementation of second aspect, the controller is specifically used for control in preset time
The receiving module and the signal resolution module are resetted after section.
In the alternatively possible implementation of second aspect, the signal receiving module, the signal resolution module,
Described image processing module, the Signal coding module and the sending module are arranged on editable gate array chip.
In the alternatively possible implementation of second aspect, the SOC chip, described image enhancing chip and described
Editable gate array chip successively electrifying startup.
In the alternatively possible implementation of second aspect, the detection module is arranged in the editable gate array
On chip.
The third aspect, a kind of display of the embodiment of the present application, including display screen and starting up's electricity as described in second aspect
Road, the display screen are electrically connected with starting up's circuit.
Fourth aspect, a kind of computer storage medium of the embodiment of the present application store computer program in the storage medium,
The computer program realizes such as the described in any item starting up's methods of first aspect when being executed.
Starting up's method provided by the embodiments of the present application and circuit, receiving described image by detection module enhances chip
First clock signal of the M frame image of output；If there is the first timing of N frame image in the first clock signal of the M frame image
Signal is identical as the first preset value, then detection module sends out first message to controller, so that controller is controlled according to first message
Receiving module and signal resolution module are resetted.I.e. the present embodiment is believed based on the first timing that image enhancement chip interior exports
Number, can accurately determine whether the signal of image enhancement chip output is stable, and then realize the accurate detection to front end signal,
And when detecting that front end signal is stablized, signal receiving module and signal resolution module are restarted, to realize that signal receives mould
The stabilization signal that front end exports is output on display screen by block and signal resolution module, and then avoids the signal exported due to front end
It is unstable and caused by display screen flower screen or the problem of blank screen.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this Shen
Some embodiments please for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart for starting up's method that the embodiment of the present application one provides；
Fig. 2 is the schematic diagram for starting up's circuit that the present embodiment one is related to；
Fig. 3 is the flow chart for starting up's method that the embodiment of the present application two provides；
Fig. 4 is the schematic diagram for starting up's circuit that the present embodiment two is related to；
Fig. 5 is the flow chart for starting up's method that the embodiment of the present application three provides；
Fig. 6 is the schematic diagram of display provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
Technical solution provided in this embodiment detects the clock signal of image enhancement chip output in booting,
And determine whether the signal of the front end of starting up's circuit is stable according to testing result, and then improve the accuracy of detection, it keeps away
Exempt from the problem of display screen blank screen or flower shield when starting, ensure that stablizing for start process carries out.
It is described in detail below with technical solution of the specifically embodiment to the application.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the flow chart for starting up's method that the embodiment of the present application one provides, and Fig. 2 opens for what the present embodiment one was related to
The schematic diagram of machine start-up circuit.As depicted in figs. 1 and 2, the method for the present embodiment may include:
S101, detection module receive the first clock signal of the M frame image of described image enhancing chip output.
If having the first clock signal and the first preset value of N frame image in the first clock signal of S102, the M frame image
Identical, then the detection module sends first message to the controller.
Wherein, the first message, which is used to indicate, answers the signal receiving module and the signal resolution module
Position.
S103, controller controls the signal receiving module according to the first message and the signal resolution module is multiple
Position.
Starting up's circuit and display screen of the present embodiment constitute display.
As shown in Fig. 2, starting up's circuit of the present embodiment include controller, image enhancement chip, signal receiving module,
Signal resolution module and detection module.Wherein signal receiving module (GTP_RX), signal resolution module (RX_CTR) and detection mould
Block (Timing_Detect) can be the module of hardware, software or soft or hard combination.Above-mentioned each module can be set same hard
On part chip, such as it is arranged on FPGA.Optionally, above-mentioned each module can also be provided separately on different hardware chips,
The present embodiment with no restrictions, determines the set-up mode of above-mentioned each module with specific reference to actual needs.
Wherein, image enhancement chip is electrically connected with signal receiving module and detection module respectively, signal resolution module and letter
The electrical connection of number receiving module.
The clock signal of the present embodiment may include line synchronising signal (HS), field sync signal (VS) and effective display data
Gating signal (DE).
Wherein, in the display, the effect of HS is to select effective row signal spacing on display screen.The effect of VS is selection
Effective field signal spacing on display screen, the collective effect of HS and VS out can choose out the effective video signaling zone on display screen
Between.
Due to being input in the vision signal of liquid crystal display, effective video signal (effective rgb signal) only accounts for signal week
Interim a part, and the horizontal blanking of signal and field blanking interval do not include effective video data.Therefore, in display
Related circuit is when handling vision signal, it is necessary to by the section comprising effective vision signal and disappearing not comprising effective video signal
Hidden section distinguishes.In order to distinguish effective and invalid video signal, DE is provided in display circuit.
The image enhancement chip of the present embodiment is converted for image enhancement and frame per second.
Optionally, the image enhancement chip of the present embodiment can be FRC chip, be also possible to TCON chip, optionally, also
It can be other kinds of image enhancement chip, the present embodiment is without limitation, determines with specific reference to actual needs.
The present embodiment is illustrated so that image enhancement chip is FRC chip as an example, other kinds of image enhancement chip ginseng
According to.
As shown in Fig. 2, the first timing (timing) signal between the image enhancement chip and detection module of the present embodiment
There are 3, respectively HS, VS and DE.For the ease of illustrating, then this 3 bars is denoted as Frc_hs, Frc_vs and Frc_ respectively
de。
Starting up's circuit of the present embodiment, in booting, detection module receives the M frame image of image enhancement chip output
The first clock signal.Then, to the first clock signal of each frame image in the first clock signal of received M frame image with
First preset value is compared, and judges whether the first clock signal of each frame image and the first preset value are identical.For example, judgement
Whether the first clock signal of the 2nd frame image and the first preset value identical, if they are the same, it is determined that the 2nd frame image first when
Sequential signal is correct.
Referring to above-mentioned example, the first clock signal of frame image each in M frame image is compared with the first preset value
It is right.If there is the first clock signal of N frame image identical as the first preset value in the first clock signal of M frame image, it is determined that when
The front end signal (i.e. the first timing signal of image enhancement chip output) at preceding moment reaches stable, and determination at this time can be to letter
Number receiving module and signal resolution module are resetted, so that before the signal receiving module and signal resolution module after resetting receive
Hold the stable signal of (i.e. image enhancement chip) output.
First clock signal of the present embodiment is the clock signal of image enhancement chip interior output, when being based on first in this way
Sequential signal can accurately determine whether the signal of image enhancement chip output is stable, and then realize the accurate inspection to front end signal
It surveys.And then when detecting that front end signal is stablized, signal receiving module and signal resolution module are restarted, to realize that signal connects
It receives module and the stabilization signal that front end exports is output on display screen by signal resolution module, and then avoid due to front end output
Jitter and caused by display screen flower screen or the problem of blank screen.
Wherein, the detection module determination of the present embodiment needs to reset signal receiving module and signal resolution module,
And the detailed process resetted is realized by controller.
For example, as shown in Fig. 2, starting up's circuit of the present embodiment further includes controller and reseting module, wherein controlling
Device is electrically connected with detection module and reseting module respectively, and reseting module is electrically connected with signal receiving module and signal resolution module respectively
It connects.
At this point, signal receiving module and the reseting procedure of signal resolution module are, when detection module detects needs to letter
When number receiving module and signal resolution module are resetted, then first message, for example, int signal are sent to controller.Control
After device receives first message, the first message is parsed, and reseting module is controlled according to the first message, so that reseting module pair
Signal receiving module and signal resolution module are resetted.
Starting up's method provided by the embodiments of the present application, receiving described image by detection module enhances chip output
First clock signal of M frame image；If have in the first clock signal of the M frame image the first clock signal of N frame image with
First preset value is identical, then detection module sends out first message to controller, so that controller controls and receives mould according to first message
Block and signal resolution module are resetted.That is the first clock signal for being exported based on image enhancement chip interior of the present embodiment, can
Whether the signal accurately to determine the output of image enhancement chip is stable, and then realizes the accurate detection to front end signal, and
When detecting that front end signal is stablized, restart signal receiving module and signal resolution module, with realize signal receiving module and
The stabilization signal that front end exports is output on display screen by signal resolution module, and then avoids the swinging of signal exported due to front end
The problem of flower of display screen caused by calmly screen or blank screen.
Fig. 3 is the flow chart for starting up's method that the embodiment of the present application two provides, and Fig. 4 opens for what the present embodiment two was related to
The schematic diagram of machine start-up circuit.On the basis of the above embodiments, the method for the present embodiment further include:
If having the first clock signal and the first preset value of P frame image in the first clock signal of S301, the M frame image
Identical, then detection module judges whether the second clock signal of the signal resolution module output is identical as the second preset value, if
Otherwise S302 is executed, if so then execute S303.
Wherein, the P is greater than the N, and second clock signal is the M+1 frame figure that described image enhances chip output
The clock signal of picture.
S302, detection module send first message to controller, so that described in the controller controls according to first message
Signal receiving module and the signal resolution module are resetted.
S303, detection module send second message to controller, so that the controller is controlled according to the second message
Image processing module, Signal coding module and sending module carry out solution reset.
S304, detection module judge whether the feedback signal of display screen output is equal to third preset value, if otherwise executing
S305, if so then execute S306.
S305, detection module send third message to the controller, so that the controller is according to the third message
It controls the Signal coding module and the sending module is resetted.
Wherein the third message, which is used to indicate, resets the Signal coding module and the sending module.
S306, detection module send ready signal to main control chip, so that the main control chip sends display signal.
As shown in figure 4, starting up's circuit of the present embodiment further include main control chip (such as SOC), image processing module,
Signal coding module and sending module.
Wherein, image processing module, Signal coding module and sending module are electrically connected with reseting module.Display screen and inspection
Survey module electrical connection.Detection module can receive the feedback signal (such as tx_lockn) of display screen transmission.Controller and master control
Chip electrical connection, for example, controller is connect with main control chip by I2C bus communication.Detection module and signal resolution module connect
It connects, can receive the signal of signal resolution module output.
Starting up's circuit as shown in Figure 4, in actual use, detection module receive the M of image enhancement chip output
First clock signal of frame image, if having the first clock signal and first of P frame image in the clock signal of the M frame image in advance
If value is identical, then judge whether the second clock signal of signal resolution module output is identical as the second preset value.Wherein, second when
Sequential signal is the clock signal of the M+1 frame image of image enhancement chip output.I.e. detection module is detecting image enhancement core
There is the clock signal of N frame image identical as the first preset value in the image of piece output, to signal receiving module and signal resolution mould
Block is resetted.Then, the image for continuing to test the output of image enhancement chip can detecte image increasing when reaching M frame
The first clock signal for having P frame image of strong chip output is identical as the first preset value, can determine the letter of front end output at this time
Number stabilization, and signal receiving module and signal resolution module were resetted.At this point, in order to further increase the accurate of detection
Property, then the clock signal of the M+1 frame image of image enhancement chip output is judged.
Specifically, whether the second clock signal of detection signal resolution module output is identical as the second preset value.If second
Clock signal and the second preset value be not identical, it is determined that front end signal is unstable, then needs to signal receiving module and the letter
Number parsing module re-starts reset.Then, first message is sent to controller, believed so that controller is controlled according to first message
Number receiving module and signal resolution module re-start reset.
If the second clock signal is identical as the second preset value, it is determined that the M+1 frame image of image enhancement chip output
Clock signal is stablized, i.e., front end is stablized.At this point, second message is sent to controller, so that controller is controlled according to second message
Image processing module, Signal coding module and sending module carry out solution reset, so that the signal of image enhancement chip output can be with
It is transferred on display screen by image processing module, Signal coding module and sending module.The feedback letter sent according to display screen
Number determine rear end Signal coding module and sending module whether pressure stabilizing.Optionally, the second preset value and the first preset value can be with
It is identical.
That is, sending feedback signal (for example, tx_lockn signal) to detection module after display screen receives signal.Detection
Module receives the tx_lockn signal of display screen transmission, and the tx_lockn signal is compared with third preset value, if
Tx_lockn signal is identical as third preset value, it is determined that front-end and back-end signal pressure stabilizing.Then, detection module passes through controller
It is sent to main control chip and prepares (ready) signal.After main control chip receives ready signal, the display signal such as LOGO is sent, it is real
The normal display of existing image.
If detection module detects that the tx_lockn signal that display screen is sent and third preset value be not identical, it is determined that rear end
Swinging of signal pressure needs to reset the Signal coding module and sending module of rear end, so that the signal stabilization that rear end is sent.
Specifically, detection module sends third message to controller, and controller controls the Signal coding module according to the third message
It is resetted with the sending module.
Optionally, above-mentioned S302 can also include:
The controller carries out the receiving module and the signal resolution module after preset time period for controlling
It resets.
If reset signal receiving module and signal resolution module immediately, then the timing letter that signal resolution module parses
It number still can be wrong.Therefore, it can be delayed accordingly before reset, certain delay time can give front end signal
Enough times allow front end signal to stablize.
The present embodiment by multistage detection, can with accurate judgement front-end and back-end signal whether pressure stabilizing, and determining front end
After the signal stabilization of rear end, control main control chip sends display signal, and then avoids due to front end mould in starting up's circuit
The problem of block or rear module swinging of signal timing send display signal, cause the display failure such as flower screen or blank screen, and then improve
The stability of display screen booting display.
Fig. 5 is the flow chart for starting up's method that the embodiment of the present application three provides, on the basis of the above embodiments, this
Embodiment method may include:
S501, editable gate array chip power on.
S502, controller control signal receiving module and signal resolution module carry out initial solution reset.
Optionally, the signal receiving module of the present embodiment, signal resolution module, image processing module, Signal coding module
It is arranged on editable gate array chip (such as FPGA) with sending module.
Optionally, detection module is also disposed on editable gate array chip.Due to the processing of editable gate array chip
Speed is faster than controller, therefore compared to will test module setting on the controller, detection module is can be improved in the present embodiment
Processing speed.
After FPGA is powered on, netlist is loaded, each parameter is initialized.
Then, controller control signal receiving module and signal resolution module carry out solution reset, so that signal receiving module
It can receive the signal of image enhancement chip output with signal resolution module.
Optionally, in the present embodiment, main control chip (such as SOC), image enhancement chip (such as FRC) and editable door
Array chip (such as FPGA) successively electrifying startup.Specifically, SOC is first powered on, and is then controlled FRC and is powered on, finally on FPGA
Electricity.SOC is powered at first as main control chip, and SOC is waited to power on, and into after working condition, successively gives FRC chip, fpga chip
It powers on.Since SOC enters the time longest of working condition needs, the time that FPGA needs is most short.Relative to it is traditional together on
Electric mode, when this starting electric sequence can guarantee that FPGA starts to work, the chip of front end is all had started.
S503, detection module judge whether the response signal of the signal resolution module output is equal to the 4th preset value, if
Otherwise S504 is executed, if so, executing S505.
S504, first message is sent to controller, is received so that controller controls the signal according to the first message
Module and the signal resolution module are resetted；
S505, detection module receive the first clock signal of the image of image enhancement chip output.
With continued reference to starting up's circuit shown in Fig. 4, wherein image enhancement chip is electrically connected with signal resolution module.
After FPGA is powered on, net meter file is first loaded, load is completed to carry out the configuration of parameter.Enter work after configuring
State.Successively solution resets signal receiving module and signal resolution module, and default front-end clock is stable at this time, and front end can be sent out
Send stable data.The response signal (such as rx_lockn signal) that detection module goes detection signal resolution module to parse.Such as
Fruit rx_lockn is height, represents that front end clock is unstable or decoding error.Need reset signal receiving module and signal solution
Analysis module re-starts judgement.Rx_lockn is that the low clock signal for representing front end is stable, and front end can be sent normally
Timing signal.
Whether first timing of P frame image is had in first clock signal of the image that S506, detection module judgement receive
Signal is identical as the first preset value, if it is not, then executing S507, if so, executing S508.
Whether first timing of N frame image is had in first clock signal of the image that S507, detection module judgement receive
Signal is identical as the first preset value, if so, executing S504, executing S505 if it is not, then returning.
Then, whether the first clock signal of detection module detection image enhancing chip output is identical as the first preset value,
If they are the same, it is determined that the first clock signal of the frame image is correct.
Referring to this method, judge whether there is P frame image in the first clock signal of the image (such as M frame image) received
The first clock signal it is identical as the first preset value.If it is not, then judging the first timing of image (such as M frame image) received
Whether there is the first clock signal of N frame image identical as the first preset value in signal, if the first timing of the M frame image received
There is the first clock signal of N frame image identical as the first preset value in signal, it is determined that front end signal is stablized at this time, can be to letter
Number receiving module and signal resolution module are resetted.Wherein, P and the equal positive integer of N, and P is greater than N.
If the quantity of image identical with the first preset value is not in the first clock signal of the image that detection module receives
Sufficient N frame, then detection module continue to image enhancement chip output image the first clock signal, and execute above-mentioned S506 and
The judgement of S507, until there is the first clock signal and first of P frame (or N frame) image in the image that detection module judgement receives
Until preset value is identical.
S508, detection module judge signal resolution module output the second clock signal whether with the second preset value phase
Together, if it is not, then executing S504, if so, executing S509.
S509, detection module send second message to controller, so that the controller is controlled according to the second message
Image processing module, Signal coding module and sending module carry out solution reset.
S510, detection module judge whether the feedback signal of display screen output is equal to third preset value, if it is not, then executing
S511, if so, execute S512.
S511, detection module send third message to the controller, so that the controller is according to the third message
It controls the Signal coding module and the sending module is resetted.
S512, detection module send ready signal to main control chip, so that the main control chip sends display signal.
Wherein above-mentioned S508 to S512 is identical as the description of above-described embodiment, and referring to above-described embodiment, details are not described herein.
Starting up's method provided by the embodiments of the present application resets it in signal receiving module and signal resolution module solution
Afterwards, whether the rx_lockn signal for first determining whether that signal resolution module parses is correct, when rx_lockn signal is correct, then right
First clock signal of image enhancement chip output is detected.In the first clock signal detection exported to image enhancement chip
By rear, whether the second clock signal of detection signal resolution module parsing is correct.If correct, reset image processing mould is solved
Block, Signal coding module and signal transmitting module, and whether the feedback signal for detecting display screen is correct, if correct side's control SOC
Display signal is sent, in this way by 4 layers of detection, improves the detection accuracy whether stable to display starting signal, in turn
Improve the booting exhibit stabilization of display.
The present embodiment also provides a kind of starting up's circuit, shown in specific exhibition Fig. 2 and Fig. 4, wherein the present embodiment
Starting up's circuit is for realizing the above method, and it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 6 is the schematic diagram of display provided by the embodiments of the present application, as shown in fig. 6, the display of the present embodiment includes
Display screen 61 and Fig. 2 or starting up's circuit 62 shown in Fig. 4.
Further, when at least part function of starting up's method in the embodiment of the present application passes through software realization,
The embodiment of the present application also provides a kind of computer storage medium, and computer storage medium is by being stored as based on above-mentioned starting up
Calculation machine software instruction allows computer to execute various possibility in above method embodiment when run on a computer
Starting up's method.When loading on computers and executing the computer executed instructions, it can entirely or partly generate and press
According to process or function described in the embodiment of the present application.The computer instruction can store in computer storage medium, or
It is transmitted from a computer storage medium to another computer storage medium, the transmission can pass through wireless (such as honeycomb
Communication, infrared, short-distance wireless, microwave etc.) mode to another web-site, computer, server or data center carry out
Transmission.The computer storage medium can be any usable medium or include one or more that computer can access
The data storage devices such as usable medium integrated server, data center.The usable medium can be magnetic medium, (for example,
Floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as SSD) etc..
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (20)
1. a kind of starting up's method, which is characterized in that the method is suitable for starting up's circuit, starting up's circuit
Including image enhancement chip, signal receiving module, signal resolution module, detection module and controller, which comprises
The detection module receives the first clock signal of the M frame image of described image enhancing chip output；
If having the first clock signal of N frame image identical as the first preset value in the first clock signal of the M frame image, institute
It states detection module and sends first message to the controller, so that the controller controls the signal according to the first message
Receiving module and the signal resolution module reset, wherein the first message be used to indicate to the signal receiving module and
The signal resolution module is resetted.
2. the method according to claim 1, wherein the method also includes:
If having the first clock signal of P frame image identical as the first preset value in the first clock signal of the M frame image, institute
It states detection module and judges whether the second clock signal of the signal resolution module output is identical as the second preset value, wherein institute
P is stated greater than the N, second clock signal is the clock signal for the M+1 frame image that described image enhances chip output；
If it is not, then first message is sent to the controller, so that the controller controls the letter according to the first message
Number receiving module and the signal resolution module reset.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
If second clock signal is identical as second preset value, the detection module sends second to the controller
Message, so that image processing module, Signal coding module and sending module carry out solution reset；
The detection module judges whether the feedback signal of display screen output is equal to third preset value；
If it is not, then the detection module is to controller transmission third message, so that the controller disappears according to the third
Breath controls the Signal coding module and the sending module is resetted, wherein the third message is used to indicate to the letter
Number coding module and the sending module are resetted；
If so, the detection module sends ready signal to main control chip, so that the main control chip sends display signal.
4. method according to claim 1-3, which is characterized in that the detection module receives image enhancement chip
Before first clock signal of the M frame image of output, the method also includes:
The controller controls the signal receiving module and the signal resolution module carries out initial solution reset.
5. according to the method described in claim 4, it is characterized in that, the controller controls the letter according to the third message
After number coding module and the sending module are resetted, the method also includes:
The detection module judges whether the response signal of the signal resolution module output is equal to the 4th preset value；
If it is not, then the detection module to the controller sends the first message, so that the controller is according to described the
One message controls the signal receiving module and the signal resolution module is resetted；
If so, the detection module receives the first clock signal of the M frame image of image enhancement chip output.
6. the method according to claim 1, wherein the controller controls the letter according to the first message
Number receiving module and the signal resolution module are resetted, comprising:
The controller control resets the receiving module and the signal resolution module after preset time period.
7. according to the method described in claim 3, it is characterized in that, the signal receiving module, the signal resolution module, institute
Image processing module, the Signal coding module and the sending module is stated to be arranged on editable gate array chip.
8. the method according to the description of claim 7 is characterized in that the main control chip, described image enhancing chip and described
Editable gate array chip successively electrifying startup.
9. the method according to the description of claim 7 is characterized in that the detection module is arranged in the editable gate array core
On piece.
10. a kind of starting up's circuit characterized by comprising controller, image enhancement chip and respectively with the control
Signal receiving module, signal resolution module and the detection module of device electrical connection processed；Described image enhance chip respectively with the letter
Number receiving module and signal detection module electrical connection, the signal receiving module are electrically connected with the signal resolution module；
The detection module, the first clock signal of the M frame image for receiving described image enhancing chip output；If the M
There is the first clock signal of N frame image identical as the first preset value in first clock signal of frame image, then to the controller
Send first message, wherein the first message be used to indicate to the signal receiving module and the signal resolution module into
Row resets；
The controller, for multiple according to the first message control signal receiving module and the signal resolution module
Position.
11. circuit according to claim 10, which is characterized in that the detection module, if being also used to the M frame image
There is the first clock signal of P frame image identical as the first preset value in first clock signal, then judges the signal resolution module
Whether the second clock signal of output is identical as the second preset value, if it is not, then sending first message to the controller；Wherein,
The P is greater than the N, and second clock signal is the clock signal for the M+1 frame image that described image enhances chip output；
The controller, for multiple according to the first message control signal receiving module and the signal resolution module
Position.
12. circuit according to claim 11, which is characterized in that starting up's circuit further includes and the controller
Main control chip, image processing module, Signal coding module and the sending module being electrically connected, described image processing module, institute
It states Signal coding module and the sending module is sequentially connected electrically, described image processing module and the signal resolution module connect
It connects, the sending module is connect with display screen；
The detection module, if it is identical as second preset value to be also used to second clock signal, to the controller
Send second message；
The controller is also used to control image processing module, Signal coding module and sending module according to the second message
Carry out solution reset；
The detection module, is also used to judge whether the feedback signal of display screen output is equal to third preset value, if it is not, then to institute
It states controller and sends third message, wherein the third message is used to indicate to the Signal coding module and the sending module
It is resetted；
The controller is also used to control the Signal coding module according to the third message and the sending module is answered
Position；
The detection module, if the feedback signal for being also used to the display screen output is equal to third preset value, to main control chip
Ready signal is sent, so that the main control chip sends display signal.
13. the described in any item circuits of 0-12 according to claim 1, which is characterized in that
The controller, is also used to control the signal receiving module and the signal resolution module carries out initial solution reset.
14. circuit according to claim 13, which is characterized in that
The detection module, is also used to judge whether the response signal of the signal resolution module output is equal to the 4th preset value；
If it is not, then the detection module to the controller sends the first message,
The controller, be also used to be controlled according to the first message signal receiving module and the signal resolution module into
Row resets；
The detection module receives if the response signal for being also used to the signal resolution module output is equal to the 4th preset value
First clock signal of the M frame image of image enhancement chip output.
15. circuit according to claim 10, which is characterized in that
The controller is specifically used for control and carries out after preset time period to the receiving module and the signal resolution module
It resets.
16. circuit according to claim 12, which is characterized in that the signal receiving module, the signal resolution module,
Described image processing module, the Signal coding module and the sending module are arranged on editable gate array chip.
17. circuit according to claim 16, which is characterized in that the main control chip, described image enhancing chip and institute
State editable gate array chip successively electrifying startup.
18. circuit according to claim 16, which is characterized in that the detection module is arranged in the editable gate array
On chip.
19. a kind of display, which is characterized in that starting up is electric including display screen and as described in claim any one of 10-18
Road, the display screen are electrically connected with starting up's circuit.
20. a kind of computer storage medium, which is characterized in that store computer program, the computer in the storage medium
Program realizes starting up's method as claimed in any one of claims 1-9 wherein when being executed.
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| CN201810978787.7A CN109119012B (en) | 2018-08-27 | 2018-08-27 | Starting-up method and circuit |
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