CN107678605A - A kind of programmable touch key-press display device based on ARM - Google Patents
A kind of programmable touch key-press display device based on ARM Download PDFInfo
- Publication number
- CN107678605A CN107678605A CN201711033843.1A CN201711033843A CN107678605A CN 107678605 A CN107678605 A CN 107678605A CN 201711033843 A CN201711033843 A CN 201711033843A CN 107678605 A CN107678605 A CN 107678605A
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- Prior art keywords
- module
- processor
- arm
- touch
- display device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/9607—Capacitive touch switches
Abstract
The invention discloses a kind of programmable touch key-press display device based on ARM, wherein, including：Power management module provides required burning voltage to processor, and processor carries out power-up initializing, starts the drive software and middleware interface software stored in the first memory module, and run in the second memory module；When carrying out downlink communication, pass through protocol instructions of the USB interface control module real-time reception from indication control board main frame, after protocol instructions are received, processor carries out instruction parsing, and according to the command content after parsing, the display content that TTL vision signals update current display screen to display screen is exported, completes downlink communication process；When carrying out uplink communication, touch acquisition module and gather user's touch action in real time, processor parsing coordinate information produces the key code information of corresponding button and the key of corresponding button is sent into indication control board main frame by USB interface control module.
Description
Technical field
The present invention relates to one kind to press key control and display device, particularly a kind of programmable touch key-press based on ARM
Display device.
Background technology
Operational control unit is the pith of indication control board man-machine interaction.Traditional operational control unit is in man-machine interaction
Use the hard button of operational control unit in journey, function phase is to single and do not possess programmable and touch function.Once button work(
After can determine that, operational control unit is poor in the replaceability and versatility of different indication control boards.Due to present indication control board type
Variation, also more and more diversified for operational control unit functional requirement, the indication control board of different model is for these functions
Demand is not quite similar again, therefore the operational control unit for causing different model indication control board is difficult unification, is brought sizable
Design difficulty and scheduling and planning difficulty, are also unfavorable for cost and quality control.
The content of the invention
It is an object of the invention to provide a kind of programmable touch key-press display device based on ARM, for solution
State problem of the prior art.
A kind of programmable touch key-press display device based on ARM of the present invention, wherein, including：Programmable control module,
Touch display module；Programmable control module includes：Power management module, USB interface control module, processor, the first storage
Module, the second memory module；Touch display module includes：Display screen, touch acquisition module and capacitance touch screen；Based on ARM
Programmable touch key-press display device by connecting on indication control board main frame after electricity, power management module give processor provide institute
The burning voltage needed, processor carry out power-up initializing, start the drive software stored in the first memory module and middleware connects
Mouth software, and run in the second memory module；Middleware interface software is used to provide the user protocol instructions；It is descending when carrying out
During communication, by protocol instructions of the USB interface control module real-time reception from indication control board main frame, protocol instructions include three classes：
Button sets class, basic construction method class and other assisted class, and after protocol instructions are received, processor carries out instruction parsing, and
According to the command content after parsing, the display content of current display screen is updated in output TTL vision signals to display screen, under completion
Row communication process；When carrying out uplink communication, touch acquisition module and gather user's touch action in real time, and by after conversion process
Coordinate information is sent to processor by RS232 serial ports, and processor parsing coordinate information produces the key code information of corresponding button simultaneously
The key of corresponding button is sent to indication control board main frame by USB interface control module, indication control board main frame is received and preserved current
State, downlink communication is then initiated, arm processor again waits for main frame and issues protocol instructions, and according to the content of protocol instructions
Refresh display screen.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, USB interface
Control module is USB2.0 interface control modules.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, processor is
Arm processor.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, this first is deposited
Storage module is Nand Flash memory modules.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, the second storage
Module is SDRAM memory modules.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, touch display
Module also includes Inverter.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, indication control board master
Machine is bi-directionally connected with USB interface control module；USB interface control module is bi-directionally connected with arm processor；Indication control board main frame and electricity
Source control module is connected, and the output end of power management module is connected with processor, processor and the first memory module and second
Memory module is bi-directionally connected；The TTL VTs of processor are connected with display screen, and processor connects with touching acquisition module
Connect, touch acquisition module and capacitance touch screen connection；The 12V power output ends of indication control board main frame connect with Inverter
Connect, Inverter is connected with display screen.
According to an embodiment of the programmable touch key-press display device based on ARM of the present invention, wherein, middleware connects
Mouth software is used to provide the user protocol instructions, including：Button, change key-press status, delete button, definition figure is created to press
Key, graphing, drafting character string, display picture, the addition/deletion page, acquisition/download pictures file, inquiry/return work
State, beat opening/closing display screen and recover the default setting that dispatches from the factory.
Brief description of the drawings
Fig. 1 show a kind of module map of the programmable touch key-press display device based on ARM of the present invention；
Fig. 2 show downlink communication software flow pattern；
Fig. 3 show uplink communication software flow pattern.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Embodiment is described in further detail.
Fig. 1 show a kind of module map of the programmable touch key-press display device based on ARM of the present invention, the present invention one
Programmable touch key-press display device of the kind based on ARM includes：Programmable control module (1), touch display module (2), its
Middle programmable control module (1) includes：Power management module (3), USB2.0 interface control modules (4), arm processor (5),
Nand Flash memory modules (6), SDRAM memory modules (7), touch display module (2) include Inverter (8), shown
Display screen (9), touch acquisition module (10), capacitance touch screen (11).
As shown in figure 1, indication control board main frame is bi-directionally connected with USB2.0 interface control modules (4)；USB2.0 Interface Controller moulds
Block (4) is bi-directionally connected with arm processor (5)；Indication control board main frame is connected with power management module (3), power management module (3)
Output end is connected with arm processor (5).Arm processor (5) and Nand Flash memory modules (6), SDRAM memory modules (7)
It is bi-directionally connected；The TTL VTs of arm processor (5) are connected with display screen (9), and arm processor (5) is adopted with touch
Collection module (10) connection, touch acquisition module (10) are connected with capacitance touch screen (11)；The 12V power output ends of indication control board main frame
It is connected with Inverter (8), Inverter (8) is connected with display screen (9).
As shown in figure 1, the programmable touch key-press display device based on ARM is by connecting on indication control board main frame after electricity,
Power management module (3) provides required burning voltage to arm processor (5), and arm processor (5) carries out power-up initializing, opened
The drive software and middleware interface software of storage in dynamic Nand Flash memory modules (6), and in SDRAM memory modules (7)
Middle operation.Programmable touch key-press display device writes interface routine according to the specification of HID device class, and indication control board main frame can be with
Extra drive software need not be installed and can recognize that the equipment.
As shown in figure 1, middleware interface software has provided the user abundant protocol instructions, including：Button is created, is changed
Key-press status, delete button, figure button is defined, graphing, drafting character string, picture is shown, addition, deletes the page, obtain
Take, download pictures file, inquiry, return to working condition, open, close display screen, recover the default setting etc. that dispatches from the factory.User passes through
The protocol instructions of middleware interface software, it is possible to achieve to the programming Control of programmable touch key-press display device.
Fig. 2 show downlink communication software flow pattern, as shown in Figure 1 and Figure 2, when carrying out downlink communication, may be programmed
Touch key-press display device after the completion of initialization, equipment is by USB2.0 interface control modules (4) real-time reception from aobvious
The protocol instructions of platform main frame are controlled, protocol instructions include three classes：Button sets class, basic construction method class, other assisted class.When receiving
After protocol instructions, arm processor (5) carries out instruction parsing, and is arrived according to the command content after parsing, output TTL vision signals
The display content of current display screen is updated on display screen (9), completes downlink communication process.
Fig. 3 show uplink communication software flow pattern, as shown in Figure 1 and Figure 3, when carrying out uplink communication, may be programmed
Touch key-press display device after the completion of initialization, touch acquisition module (10) in real time collection user's touch action, and will turn
The coordinate information changed after processing is sent to arm processor (5), arm processor (5) parsing coordinate information production by RS232 serial ports
The property value such as the key code information of raw corresponding button and the key by corresponding button is sent to by USB2.0 interface control modules (4)
Indication control board main frame, indication control board main frame receive and preserve current state, then initiate downlink communication.Arm processor (5) again waits for
Main frame issues protocol instructions, and according to the content refresh display screen of protocol instructions.
It is an object of the invention to provide a kind of programmable touch key-press display device based on ARM, for solving to pass
System operational control unit keypress function is single, can not program customization, places limited amount etc. can not meet the aobvious control of different model
The problem of platform pluralistic function demand.Meanwhile touch-screen using can multi-point touch capacitance touch screen, solve resistive touch class behaviour
The shortcomings that control equipment can not touch multiple buttons simultaneously, meet the use demand of User Defined Macintosh.Fully profit of the invention
With the process performance of arm processor, the polytropy of touch key-press can be achieved, programmable press is realized by different protocol instructions
The variation of key and customizable.These programmable keys can be by protocol instructions that indication control board main frame is sent and by ARM
It is shown in after processor parsing on the display screen with touch function, by changing indication control board master under conditions of hardware is not changed
The protocol instructions that machine is sent are that the programming customization of touch key-press can be achieved, while can realize multilevel menu button and user certainly
The touch control while display of combinations of definitions button and multiple buttons, the number of keys that can be placed is greatly improved, realized
Versatility of the programmable touch key-press display device on a variety of indication control boards, brings great convenience.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. programmable touch key-press display device based on ARM, it is characterised in that including：Programmable control module, touch Touch display module；Programmable control module includes：Power management module, USB interface control module, processor, the first memory module, second Memory module；Touch display module includes：Display screen, touch acquisition module and capacitance touch screen；Programmable touch key-press display device based on ARM by connecting on indication control board main frame after electricity, give by power management module Processor provides required burning voltage, and processor carries out power-up initializing, and it is soft to start the driving stored in the first memory module Part and middleware interface software, and run in the second memory module；Middleware interface software refers to for providing the user agreement Order；When carrying out downlink communication, pass through protocol instructions of the USB interface control module real-time reception from indication control board main frame, agreement Instruction includes three classes：Button sets class, basic construction method class and other assisted class, and after protocol instructions are received, processor enters Row instruction parsing, and according to the command content after parsing, export TTL vision signals and the aobvious of current display screen is updated to display screen Show content, complete downlink communication process；When carrying out uplink communication, touch acquisition module and gather user's touch action in real time, and the coordinate after conversion process is believed Breath is sent to processor by RS232 serial ports, and processor parsing coordinate information produces the key code information of corresponding button and will be corresponding The key of button is sent to indication control board main frame by USB interface control module, and indication control board main frame receives and preserves current state, so After initiate downlink communication, arm processor again waits for main frame and issues protocol instructions, and is shown according to the content refresh of protocol instructions Screen.
- 2. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that USB interface control Molding block is USB2.0 interface control modules.
- 3. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that processor is Arm processor.
- 4. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that this first is deposited Storage module is Nand Flash memory modules.
- 5. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that the second storage Module is SDRAM memory modules.
- 6. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that touch display Module also includes Inverter.
- 7. the programmable touch key-press display device based on ARM as claimed in claim 6, it is characterised in that indication control board master Machine is bi-directionally connected with USB interface control module；USB interface control module is bi-directionally connected with arm processor；Indication control board main frame and electricity Source control module is connected, and the output end of power management module is connected with processor, processor and the first memory module and second Memory module is bi-directionally connected；The TTL VTs of processor are connected with display screen, and processor connects with touching acquisition module Connect, touch acquisition module and capacitance touch screen connection；The 12V power output ends of indication control board main frame connect with Inverter Connect, Inverter is connected with display screen.
- 8. the programmable touch key-press display device based on ARM as claimed in claim 1, it is characterised in that middleware connects Mouth software is used to provide the user protocol instructions, including：Button, change key-press status, delete button, definition figure is created to press Key, graphing, drafting character string, display picture, the addition/deletion page, acquisition/download pictures file, inquiry/return work State, beat opening/closing display screen and recover the default setting that dispatches from the factory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033843.1A CN107678605A (en) | 2017-10-30 | 2017-10-30 | A kind of programmable touch key-press display device based on ARM |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033843.1A CN107678605A (en) | 2017-10-30 | 2017-10-30 | A kind of programmable touch key-press display device based on ARM |
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| CN107678605A true CN107678605A (en) | 2018-02-09 |
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| CN201711033843.1A Pending CN107678605A (en) | 2017-10-30 | 2017-10-30 | A kind of programmable touch key-press display device based on ARM |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647284A (en) * | 2019-09-23 | 2020-01-03 | 北京计算机技术及应用研究所 | Programmable display key array device based on domestic microcontroller |
| CN111007958A (en) * | 2019-12-02 | 2020-04-14 | 山东旋翼电子科技有限公司 | Matrix type touch button panel display device capable of displaying content in programmable mode |
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| CN101776970A (en) * | 2010-02-26 | 2010-07-14 | 华为终端有限公司 | Setting method and device of touch control keyboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110647284A (en) * | 2019-09-23 | 2020-01-03 | 北京计算机技术及应用研究所 | Programmable display key array device based on domestic microcontroller |
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Application publication date: 20180209 |