CN104317449B - The display of touch display one with Redundancy Design - Google Patents
The display of touch display one with Redundancy Design Download PDFInfo
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- CN104317449B CN104317449B CN201410574046.4A CN201410574046A CN104317449B CN 104317449 B CN104317449 B CN 104317449B CN 201410574046 A CN201410574046 A CN 201410574046A CN 104317449 B CN104317449 B CN 104317449B
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- main control
- control chip
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a kind of display of the touch display one with Redundancy Design, including display control main frame, touch-screen main control chip, display screen main control chip, touch-screen and display screen, wherein, the display control main frame is connected with the touch-screen main control chip, display screen main control chip respectively, the touch-screen main control chip is connected with the touch-screen, the display screen main control chip is connected with the display screen, the touch-screen main control chip is connected with each other with the display screen main control chip, and the display screen main control chip is connected with least two flash memories.The beneficial effects of the invention are as follows：By at least two flash memories increase backups, the reliability of display is improved.
Description
Technical field
The present invention relates to display, more particularly to the display for touching display one with Redundancy Design.
Background technology
Tactile aobvious integral display, which is widely used in financial ATM, industrial control unit (ICU) etc., needs touch control while again
Need the industry field that image is shown.
Traditional touch shows integral display, and program used in touch-screen and display screen only preserves a.In hair
Raw situations below：1. the memory of storage program is damaged, there is mistake, situations such as 3. programs fail when upgrading in 2. programs when running
When.Program service data mistake can be caused, display screen occur can not the failure such as touch-control without display or exception, touch-screen.This two
Plant phenomenon and belong to serious fault type in product, while when such malfunction elimination and solution are required to substantial amounts of
Between, human resources.Failture evacuation and solve before, display be in can not normal work state, have a strong impact on other work
Development.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of the aobvious of touch display one with Redundancy Design
Show device.
The invention provides a kind of display for touching display one, including display control main frame, touch-screen master control core
Piece, display screen main control chip, touch-screen and display screen, wherein, the display control main frame respectively with the touch-screen master control
Chip, the connection of display screen main control chip, the touch-screen main control chip are connected with the touch-screen, the display screen main control chip
It is connected with the display screen, the touch-screen main control chip is connected with each other with the display screen main control chip, the display screen master
Control chip is connected with least two flash memories.
As a further improvement on the present invention, the touch-screen main control chip is consolidated including at least two touch-screen main control chips
Part.
As a further improvement on the present invention, the display control main frame passes through USB interface and the touch-screen master control
Chip is connected.
As a further improvement on the present invention, the touch-screen main control chip is touched by touch signal ADC interface with described
Touch screen connection.
As a further improvement on the present invention, the touch-screen main control chip is connected with the startup control of display screen main control chip
Module.
As a further improvement on the present invention, the display screen main control chip starts control module and the display screen master control
Chip is connected.
As a further improvement on the present invention, the display control main frame passes through host computer control signaling interface, figure respectively
As signaling interface is connected with the display screen main control chip.
As a further improvement on the present invention, the display screen main control chip passes through backlight control signal interface, difference respectively
Sub-signal interface is connected with the display screen.
As a further improvement on the present invention, the display control main frame passes through USB interface and the display screen master control
Chip is connected.
The beneficial effects of the invention are as follows：By such scheme, backed up by least two flash memories increases, improve display
The reliability of device.
Brief description of the drawings
Fig. 1 is a kind of hardware block diagram of the display of the touch display one with Redundancy Design of the present invention；
Fig. 2 is a kind of general illustration of the display of the touch display one with Redundancy Design of the present invention；
Fig. 3 is a kind of FB(flow block) of the display of the touch display one with Redundancy Design of the present invention；
Fig. 4 is a kind of workflow diagram of the display of the touch display one with Redundancy Design of the present invention；
Fig. 5 is a kind of upgrading flow chart of the display of the touch display one with Redundancy Design of the present invention；
Fig. 6 is monitoring and the process chart of a kind of display of the touch display one with Redundancy Design of the present invention；
Fig. 7 is the present invention a kind of Working Status Monitoring and processing stream of the display of the touch display one with Redundancy Design
Cheng Tu.
Embodiment
The present invention is further described for explanation and embodiment below in conjunction with the accompanying drawings.
Drawing reference numerals of the Fig. 1 into Fig. 7 be：Display control main frame 1；Display screen main control chip 2；Touch-screen 3；Display screen
4；Touch-screen main control chip 5；USB interface 6；Host computer control signaling interface 7；Picture signal interface 8；Touch signal ADC interface 9；
Display screen main control chip starts control module 10；Backlight control signal interface 11；Differential signal interface 12.
As shown in Figures 1 to 7, a kind of display of the touch display one with Redundancy Design, including display control master
Machine 1, touch-screen main control chip 5, display screen main control chip 2, touch-screen 3 and display screen 4, wherein, the display control main frame 1
It is connected respectively with the touch-screen main control chip 5, display screen main control chip 2, the touch-screen main control chip 5 and the touch-screen
3 connections, the display screen main control chip 2 is connected with the display screen 4, the touch-screen main control chip 5 and the display screen master
Control chip 2 is connected with each other, and the display screen main control chip 2 is connected with least two flash memories.
As shown in Figures 1 to 7, the touch-screen main control chip 5 includes at least two touch-screen main control chip firmwares.
As shown in Figures 1 to 7, the display control main frame 1 is connected by USB interface 6 with the touch-screen main control chip 5
Connect.
As shown in Figures 1 to 7, the touch-screen main control chip 5 is connected by touch signal ADC interface 9 with the touch-screen 3
Connect.
As shown in Figures 1 to 7, the touch-screen main control chip 5 is connected with display screen main control chip startup control module 10.
As shown in Figures 1 to 7, the display screen main control chip starts control module 10 and the display screen main control chip 2
Connection.
As shown in Figures 1 to 7, the display control main frame 1 passes through host computer control signaling interface 7, picture signal respectively
Interface 8 is connected with the display screen main control chip 2.
As shown in Figures 1 to 7, the display screen main control chip 2 passes through backlight control signal interface 11, differential signal respectively
Interface 12 is connected with the display screen 4.
As shown in Figures 1 to 7, the display control main frame 1 is connected by USB interface 6 with the display screen main control chip 2
Connect.
A kind of display for touch display one with Redundancy Design that the present invention is provided, is used for journey by increasing flash memories
Sequence memory backup.Pass through the mutual monitoring to touch-screen main control chip 5, the working condition of display screen main control chip 2, real-time tracking
The running status of program.When there is mistake in program operation, you can monitor touch-screen main control chip 5, display screen main control chip 2
Operation irregularity, then starts exception handling.Pass through exception handling, restarting touch-screen main control chip 5, display screen
Main control chip 2, while switching to stand-by program.It is achieved thereby that under abnormality, restart and run to stand-by program, really
Automatic after display operation irregularity recover to normal display and touch function is protected.With the means of increase program storage backup,
The Redundancy Design of display is realized, the reliability and maintainability of display is improved.
The display for a kind of touch display one with Redundancy Design that the present invention is provided, by touch-screen 3 and display screen 4
Work is in communication with each other coordination.Touch-screen main control chip 5 is being responsible for outside collection touch action, is responsible for passing through display screen main control chip 2
The working condition for reading display screen 4 and display screen main control chip 2, while be responsible for by display screen 4, display screen main control chip 2,
The working condition of touch-screen 3 is uploaded to display control main frame 1.Display control main frame 1 is realized to display by the data of upload
The real-time monitoring and diagnosis of screen 4 and the working condition of touch-screen 3, and corresponding processing control signal is connect by host computer control signal
Mouth 7 and USB interface 6 are downloaded to display screen main control chip 2.Display screen main control chip 2 under the assistance of touch-screen main control chip 5,
Realize to display screen 4 and the job control of touch-screen 3, and complete the control action of host computer control signal.
When display starts, a flash memories start the program of display screen main control chip 2 acquiescence therefrom（The flash memories are silent
Recognize flash memories）If starting from the flash memories and failing, then from another flash memories（The flash memories are backup flash memories）Opened
It is dynamic, but after work during abnormal state, touch-screen main control chip 5 will send flash memories switching command and give display screen main control chip
Start control module 10, under the cooperation of energy supply control module, realize that display screen main control chip 2 restarts from backup flash memories
And work.
Touch-screen main control chip 5 has been internally integrated at least two firmwares, and one is default firmware, and another is solid for backup
Part.State is different after touch-screen main control chip 5 starts failure or start successfully still work from backup firmware from default firmware
Chang Shi, touch-screen main control chip 5, which will be switched to, touches restarting and work under backup firmware, and the cooperation of energy supply control module
Make.
The display for a kind of touch display one with Redundancy Design that the present invention is provided, by increasing display screen master control core
The firmware backup of the program storage flash memory, increase touch-screen main control chip 5 of piece 2, realizes the Redundancy Design of chip program.
A kind of handling process of the display for touch display one with Redundancy Design that the present invention is provided is as follows:
A. the condition monitoring of the display of display one is touched
The intercommunication of display screen main control chip 2 and touch-screen main control chip 5, each working condition is accused by defeated
Enter output interface and I2C informs other side.Touch-screen main control chip 5 is by the way that USB interface 6 is by display screen main control chip 2 and touches simultaneously
The working condition for touching screen main control chip 5 is uploaded to display control main frame 1.Realize that 1 pair of display control main frame touches display one
The real-time monitoring of the display of body.
B. program Redundant Control and processing are shown
After power supply electrifying, display screen main control chip 2 is started by default setting from default flash device, display screen master control core
Piece 2 initializes and configures corresponding input/output interface.Display screen main control chip 2 is by output interface by display screen main control chip
2 working condition（Working condition comprising definition, display backlight on off state, backlight illumination state of a control, back facet current shape
State information, status input signal information etc.）Output is to touch-screen main control chip 5, while reading touch-screen master by input interface
Control the working condition of chip 5.
Touch-screen main control chip 5 is according to the working condition of display screen main control chip 2 of reading, and according to agreement, program is done as follows
Processing：
1. the working condition of display screen main control chip 2 is normal
Display screen main control chip 2 starts successfully simultaneously normal work from default flash device, it is directly entered next working cycles.
2. the working condition of display screen 4 is abnormal
Touch-screen main control chip 5 reads display screen main control chip 2 and starts failure or display screen master from default flash device
When controlling the working condition of chip 2 exception, touch-screen main control chip 5 sends processing to display screen main control chip startup control module 10 and referred to
Order：
First, touch-screen main control chip 5 sends power-off order to energy supply control module, by display screen main control chip 2
Power-off；
Then, display screen main control chip 5 sends flash memory switching command and gives display screen main control chip startup control module 10, will
Display screen main control chip 2 is switched to by backup flash memories by default flash device；
Finally, touch-screen main control chip 5 sends power supply opening order to energy supply control module, by display screen main control chip 2
Power supply opening.Display screen main control chip 2, which is performed, to be started and starts working.
C. program Redundant Control and processing are touched
After power supply electrifying, touch-screen main control chip 5 is started by default setting from the default firmware of chip internal, is touched
Screen main control chip 5 initializes and configures corresponding input/output interface.Touch-screen main control chip 5 is by output interface by touch-screen
The working condition of main control chip 5（Chip operation state comprising definition, touch-screen touch state etc.）Export to display screen
Main control chip 2, while reading the working condition of display screen main control chip 2 by input interface.And simultaneously will by USB interface 6
The work of touch-screen main control chip 5 and display screen main control chip 2 is uploaded to display control main frame 1.
Display control main frame 1 is according to the working condition of touch-screen main control chip 5 of reading, and according to agreement, program is done as follows
Processing：
1. the working condition of touch-screen main control chip 5 is normal
Touch-screen main control chip 5 starts successfully simultaneously normal work from default firmware, taps into next working cycles.
2. the working condition of touch-screen 3 is abnormal
The monitoring of display control main frame 1 reads touch-screen main control chip 5 and starts failure or touch-screen from default firmware
When the working condition of main control chip 5 is abnormal, process instruction is sent to display screen main control chip 2 by USB interface 6：
First, display screen main control chip 2 sends power-off order to energy supply control module, by touch-screen main control chip 5
Power-off；
Then, display screen main control chip 2 sends startup backup firmware switching command to touch-screen master control by output interface
Chip 5, touch-screen main control chip 5 is switched to by default firmware startup and started by backup firmware；
Finally, display screen main control chip 2 sends power supply opening order to energy supply control module, by touch screen main control chip 5
Power supply opening.Touch-screen main control chip 5, which is performed, to be started and starts working.
D. the program flash memory of display screen main control chip 2 is upgraded
Display control main frame 1 monitors display screen main control chip and starts the flash content mistake in control module 10 or lose
Lose, when also or to known FLASH program leak repairing, can be used online upgrading tool by USB interface 6 to flash memory
Content carries out upgrading processing.After the completion of upgrading, reset automatically display.
E. the program firmware upgrade of touch-screen main control chip 5
Display control main frame 1 monitors firmware content mistake or loss in touch-screen main control chip 5, also or to
When the bug known is repaired, it equally online upgrading tool can be used to hold by USB interface 6 to firmware and carry out at upgrading
Reason.In to the firmware upgrade process of touch-screen main control chip 5, display screen 4 is still maintained at normal operating conditions.Upgrading is completed
Afterwards, reset automatically touch-screen main control chip 5.
Display control main frame 1 is divided into the control module of display：Display control main frame DVI interface, host computer control
Signaling interface 7, USB interface 6.
Display control main frame DVI interface is responsible for exporting DVI picture signals to display.Host computer control signaling interface 7
It is responsible for exporting power control signal, backlight control signal to display screen main control chip 2.USB interface 6 is responsible for reading touch-screen 3
With the working condition of display screen 4, while be responsible for the abnormality treatment signal of touch-screen 2 is downloaded to display.
The acquiescence that is internally integrated of touch-screen main control chip 5 starts firmware and backup startup firmware.
Touch-screen main control chip 5 is responsible for reading touch action ADC values (analog-to-digital conversion control), and passes through touch-screen master control
ADC values are converted to the corresponding working condition of touch-screen 3 by the internal algorithm of chip 5, while being responsible for reading the working condition of display screen 4.
Then touch-screen 3, the working condition of display screen 4 are uploaded to by display control main frame 1 by USB interface 6.In addition, touch-screen master
When control chip 5 is responsible for display screen 2 operation irregularity of main control chip, abnormality processing is taken by internal algorithm, and abnormality processing is believed
Number export to chip control module and energy supply control module.
Display screen main control chip 2 be responsible for reading DVI picture signals, display host computer control signal, touch-screen working condition,
Touch-screen abnormality treatment signal.DVI picture signals are converted to differential signal after the processing of display screen main control chip（LVDS）It is defeated
Go out to display screen.Display host computer control signal is converted to backlight control signal output after the processing of display screen main control chip 2
To display screen 4.Touch-screen working condition and touch-screen abnormality processing process signal after treatment, are converted to chip controls signal
And export to chip control module and energy supply control module.
Display screen main control chip 2 is responsible for the working condition of display screen 4 is real-time by chip chamber data transmission channel simultaneously
It is transferred to touch-screen main control chip 5.
Touch-screen 3 is responsible for the touch on touch-screen 3（Left/right/up/down）Be converted to digital value, and by numeral
Change value, which is exported, gives touch main control chip 5.
Display screen 5 is responsible for differential signal and backlight control signal being converted to picture signal, and image is shown.
Chip control module is main to control circuit, display screen main control chip program flash memory device by two groups of house dogs, XOR（Dodge
Storage 1, flash memories 2）, flash memories selector and 8D flash memory locks（8D represents 8 passages）Composition.
The processing that chip control module is responsible for touch-screen main control chip and display screen main control chip working condition is controlled.Core
During piece normal work, it is responsible for the maintenance or change of chip chamber working condition.When chip operation occurs abnormal, abnormal chips are adopted
Take abnormality processing measure.
The specific division of labor is as follows:
House dog and XOR control circuit are responsible for：To display screen main control chip 2 and the output interface of touch-screen main control chip 5
State is monitored, and completes treatment measures to chip according to the order of output interface.
The program flash memory device of display screen main control chip 2 is responsible for：The storage of display screen main control chip program.
Flash memories selector and flash memory lock are responsible for：To the locks of flash memories when the selection and work of flash memories during startup
It is fixed.
Chip chamber data transmission channel includes touch-screen working condition passage, display backlight working condition passage, touch
Shield main control chip working condition passage（I/O 12）, display screen main control chip working condition passage（I/O 34）, I2C buses（Two
Wire type universal serial bus）Passage etc..
Energy supply control module is main by power switching module, voltage transformation module, display screen main control chip power switch mould
Block is constituted.
Energy supply control module is responsible for the supply of whole display power supply, and coordinates chip control module to enter chip operation state
Row control.
Display screen main control chip program to each function after Initialize installation is carried out, operation image information treatment part first
Point, then the order of user's setting is performed, touch main control chip collection current touch operation signal, display screen main control chip and touch
Working condition is in communication with each other by main control chip, performs working state control.Circulation is performed.
A kind of display for touch display one with Redundancy Design that the present invention is provided, exists according to aobvious integral display is touched
Application requirement and feature in industry and financial field, by integrating the driving plate of display screen 4, touch-screen 3, change driving plate
Hardware and software, realizes and touches aobvious integral display Working Status Monitoring, diagnosis, treatment mechanism, realize and touch aobvious one
The high maintenance efficiency of display, reduces human and material resources in aobvious integral display maintenance work is touched, the input of time.
Backed up simultaneously by increase by chip firmware and program flash memory, realize the Redundancy Design of program, improve tactile aobvious one aobvious
Show the reliability of device.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (4)
1. a kind of display of the touch display one with Redundancy Design, it is characterised in that：Including display control main frame, touch
Shield main control chip, display screen main control chip, touch-screen and display screen, wherein, the display control main frame is touched with described respectively
Screen main control chip, the connection of display screen main control chip are touched, the touch-screen main control chip is connected with the touch-screen, the display screen
Main control chip is connected with the display screen, and the touch-screen main control chip is connected with each other with the display screen main control chip, described
Display screen main control chip is connected with least two flash memories, and the touch-screen main control chip includes at least two touch-screen master control cores
Piece firmware, the display control main frame is connected by USB interface with the touch-screen main control chip, the touch-screen master control core
Piece is connected by touch signal ADC interface with the touch-screen, and the touch-screen main control chip is connected with display screen main control chip
Start control module, the display screen main control chip starts control module and is connected with the display screen main control chip.
2. the display of the touch display one according to claim 1 with Redundancy Design, it is characterised in that：The display
Device control main frame is connected by host computer control signaling interface, picture signal interface with the display screen main control chip respectively.
3. the display of the touch display one according to claim 1 with Redundancy Design, it is characterised in that：The display
Screen main control chip is connected by backlight control signal interface, differential signal interface with the display screen respectively.
4. the display of the touch display one according to claim 1 with Redundancy Design, it is characterised in that：The display
Device control main frame is connected by USB interface with the display screen main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574046.4A CN104317449B (en) | 2014-10-24 | 2014-10-24 | The display of touch display one with Redundancy Design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574046.4A CN104317449B (en) | 2014-10-24 | 2014-10-24 | The display of touch display one with Redundancy Design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104317449A CN104317449A (en) | 2015-01-28 |
| CN104317449B true CN104317449B (en) | 2017-08-22 |
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| CN201410574046.4A Active CN104317449B (en) | 2014-10-24 | 2014-10-24 | The display of touch display one with Redundancy Design |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109582506B (en) * | 2018-12-25 | 2022-01-07 | 深圳开立生物医疗科技股份有限公司 | Touch screen failure recovery method and device, host equipment and touch system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622776Y (en) * | 2003-06-18 | 2004-06-30 | 上海协同科技股份有限公司 | Radio control terminal able to download program |
| CN101187879A (en) * | 2007-12-27 | 2008-05-28 | 威盛电子股份有限公司 | Electronic system and data processing method thereof |
| CN101996611A (en) * | 2009-08-31 | 2011-03-30 | 台均科技（深圳）有限公司 | Display equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9285840B2 (en) * | 2010-08-19 | 2016-03-15 | Michael S. Stamer | Detachable sensory-interface device for a wireless personal communication device and method |
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2014
- 2014-10-24 CN CN201410574046.4A patent/CN104317449B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622776Y (en) * | 2003-06-18 | 2004-06-30 | 上海协同科技股份有限公司 | Radio control terminal able to download program |
| CN101187879A (en) * | 2007-12-27 | 2008-05-28 | 威盛电子股份有限公司 | Electronic system and data processing method thereof |
| CN101996611A (en) * | 2009-08-31 | 2011-03-30 | 台均科技（深圳）有限公司 | Display equipment |
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Address after: 518000 517, building 7, Hengda fashion Huigu building (East District), Fulong Road, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN BIGTIDE TECHNOLOGY Co.,Ltd. Address before: Building 8, longfu Industrial Zone, 397 Huarong Road, Longhua New District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN BIGTIDE TECHNOLOGY Co.,Ltd. |