CN104965660B - A kind of method that tri-state key is realized on tablet - Google Patents
A kind of method that tri-state key is realized on tablet Download PDFInfo
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- CN104965660B CN104965660B CN201510310889.8A CN201510310889A CN104965660B CN 104965660 B CN104965660 B CN 104965660B CN 201510310889 A CN201510310889 A CN 201510310889A CN 104965660 B CN104965660 B CN 104965660B
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Abstract
The present invention provides a kind of method that tri-state key is realized on tablet, and specific implementation process is：In EC controller codes, according to the status command under HOST ends, the SCI interrupt numbers of different SCAN CODE are sent, realize different functions；It in BIOS and multimedia application, sends and orders to EC controllers, tell EC system current operating environments, corresponding function is performed by EC controllers.Compared to the prior art this realizes the method for tri-state key on tablet, meet fast and easily people on tablet to multimedia demand, using quick and easy, user's usage time is saved, user experience is stronger, greatly improves work efficiency, shorten the research and development time, cost loss is reduced, it is highly practical, it is easy to spread.
Description
Technical field
The present invention relates to field of computer technology, specifically a kind of method that tri-state key is realized on tablet.
Background technology
Nowadays, X86 tablets are higher and higher in occupation rate of market, almost instead of X86 low-end notebooks and upper
This is netted, indispensable product in becoming in people's life ＆ amusement.
There are one outstanding features for X86 tablets：There is no the embedded keyboard of traditional notebook, using touch-screen instead of original
Mouse and keyboard.Touch-screen is more in line with the thinking habit of people so that input is more convenient.But it equally has certainly
Oneself the shortcomings that：One, entrance and setting BIOS menus are needed by external USB keyboard；Two, without keyboard, lack shortcut, allowed
The people of some customs under shortcut help are not suitable with, when this part population wastes many when multimedia is used to be entertained
Between.
Based on this, the present invention proposes a kind of method that tri-state key is realized on tablet, and this method is in order to solve this lance
Shield realizes three kinds of forms using the button on tablet, and on tablet in addition to power button, we separately add four buttons again,
It is connected to above EC controllers.This button can't occupy big space for the structure of tablet.And we can root
According to the time length by lower key, each button does two functions and uses, that four keypress function just expands to eight button work(
Energy.The difference of environment according to demand, button is made three kinds of forms, is used under different application environments by us.
The content of the invention
The technical assignment of the present invention is to be directed in the deficiencies in the prior art, to provide a kind of side for realizing tri-state key on tablet
Method.
The technical scheme is that realize in the following manner, which should
Method is realized by following steps：
First, in EC controller codes, according to the status command under HOST ends, in the SCI for sending different SCAN CODE
Disconnected number, realize different functions；
2nd, in BIOS and multimedia application, send and order to EC controllers, tell that system currently runs ring to EC
Border performs corresponding function by EC controllers.
The step 1 includes with the function in step 2：
BIOS menu functions, the function are not required BIOS and system to give EC instruction states；
System sound volume and LVDS screen brightness regulations, BIOS issue orders and are made to EC in enabled ACPI callback functions
It knows present running environment；
Multimedia is fast applied, and when in os starting, loading application programs, addition Multimedia Program is when carrying out,
Program is issued orders by WMI to EC controllers, informs the present running environment of EC controller systems.
The realization process of difference in functionality is in the step 1：
In the EC controller codes, a mode bit is stayed at EC space, is issued orders instruction state by HOST ends；
According to mode bit, when into BIOS menu functions, keyboard SCAN CODE are sent；
Under ACPI operating systems, volume SCAN CODE and SCI is sent to set volume adjustment and LVDS screen brightness tune
Section；
In operating system multimedia application, SCI and keyboard SCAN CODE is sent to realize function.
The realization process of corresponding function is in the step 2：
In bios code, PS2 keyboard drives are added in；Add enabled ACPI callback functions, in the function, toward EC
It issues orders at the mode bit of controller, tells that system is currently operating under operating system EC；Add the equipment of ACPIWMI in ASL,
For being communicated with multimedia application；
In multimedia application, issue orders at the mode bit of past EC controllers, and according to the ACPIWMI equipment of BIOS
WMI events are registered, when having by key pressing, open multimedia player.
The generated compared with prior art advantageous effect of the present invention is：
A kind of method that tri-state key is realized on tablet of the present invention is quick and convenient by setting three kinds of status keys
Ground meets people on tablet to multimedia demand, and use is quick and easy, saves user's usage time, and user experience is stronger,
It greatly improves work efficiency, shortens the research and development time, reduce cost loss, it is highly practical, it is easy to spread.
Description of the drawings
Attached drawing 1 is the realization flow chart of the present invention.
Specific embodiment
A kind of method of the realization tri-state key on tablet provided by the present invention is said in detailed below below in conjunction with the accompanying drawings
It is bright.
The present invention proposes a kind of difference for the method, according to demand environment that tri-state key is realized on tablet, and button is made
Three kinds of forms, use under different application environments.
Function 1：In BIOS menu functions are entered, we need a function into menu, up and down four direction key
Four functions are needed, selection and confirmation menu need a function, load default value and preserve setting value two functions of needs.This
Sample BIOS menus need eight functions, and to complete its basic operation, we can realize button completely.
Function 2：Under an operating system, our four buttons realize the function of volume plus-minus and brightness plus-minus respectively.And it presses
When key is long pressed, we can repeat to realize its function.
Function 3：Under an operating system, tablet major function is amusement function.And video and audio are undoubtedly using most frequency
Numerous function, we can utilize button to realize specific function.Additionally one software of addition moves and is respectively：Open video
Software, selects video source file upwards, selects video source file downwards and confirms four functions of options；Open audio software,
Selection audio source file upwards selects downwards audio source file and confirms four functions of options.It needs six functions, we
Four buttons can realize, it is quick and easily meet people on tablet to multimedia demand.
As shown in Figure 1, this method is realized by following steps：
First, in EC controller codes, according to the status command under HOST ends, in the SCI for sending different SCAN CODE
Disconnected number, realize different functions；
2nd, in BIOS and multimedia application, send and order to EC controllers, tell that system currently runs ring to EC
Border performs corresponding function by EC controllers.
The step 1 includes with the function in step 2：
BIOS menu functions, the function are not required BIOS and system to give EC instruction states；
System sound volume and LVDS screen brightness regulations, BIOS issue orders and are made to EC in enabled ACPI callback functions
It knows present running environment；
Multimedia is fast applied, and when in os starting, loading application programs, addition Multimedia Program is when carrying out,
Program is issued orders by WMI to EC controllers, informs the present running environment of EC controller systems.
The realization process of difference in functionality is in the step 1：
In the EC controller codes, a mode bit is stayed at EC space, is issued orders instruction state by HOST ends；
According to mode bit, when into BIOS menu functions, keyboard SCAN CODE are sent；
Under ACPI operating systems, volume SCAN CODE and SCI is sent to set volume adjustment and LVDS screen brightness tune
Section；
In operating system multimedia application, SCI and keyboard SCAN CODE is sent to realize function.
The realization process of corresponding function is in the step 2：
In bios code, PS2 keyboard drives are added in；Add enabled ACPI callback functions, in the function, toward EC
It issues orders at the mode bit of controller, tells that system is currently operating under operating system EC；Add the equipment of ACPIWMI in ASL,
For being communicated with multimedia application；
In multimedia application, issue orders at the mode bit of past EC controllers, and according to the ACPIWMI equipment of BIOS
WMI events are registered, when having by key pressing, open multimedia player.
Above-mentioned specific embodiment is only the specific case of the present invention, and scope of patent protection of the invention includes but not limited to
Above-mentioned specific embodiment, a kind of any method claims that tri-state key is realized on tablet for meeting the present invention and
The appropriate change or replacement that the those of ordinary skill of any technical field does it, the patent that should all fall into the present invention are protected
Protect scope.
Claims (1)
- A kind of 1. method that tri-state key is realized on tablet, which is characterized in that this method is realized by following steps：Step 1: in EC controller codes, according to the status command under HOST ends, in the SCI for sending different SCAN CODE Disconnected number, realize different functions；Step 2: in BIOS and multimedia application, send and order to EC controllers, tell that system currently runs ring to EC Border performs corresponding function by EC controllers；The step 1 includes with the function in step 2：BIOS menu functions, the function are not required BIOS and system to give EC instruction states；System sound volume and LVDS screen brightness regulations, BIOS issue orders to EC in enabled ACPI callback functions and obtain it Know present running environment；Multimedia is fast applied, and when in os starting, loading application programs, addition Multimedia Program is when carrying out, program It is issued orders by WMI to EC controllers, informs the present running environment of EC controller systems；The realization process of difference in functionality is in the step 1：In the EC controller codes, a mode bit is stayed at EC space, is issued orders instruction state by HOST ends；According to mode bit, when into BIOS menu functions, keyboard SCAN CODE are sent；Under ACPI operating systems, volume SCAN CODE and SCI is sent to set volume adjustment and LVDS screen brightness regulations；In operating system multimedia application, SCI and keyboard SCAN CODE is sent to realize function；The realization process of corresponding function is in the step 2：In bios code, PS2 keyboard drives are added in；Add enabled ACPI callback functions, in the function, controlled toward EC It issues orders at the mode bit of device, tells that system is currently operating under operating system EC；Add the equipment of ACPIWMI in ASL, be used for It is communicated with multimedia application；In multimedia application, issue orders at the mode bit of past EC controllers, and according to the ACPIWMI facility registrations of BIOS WMI events when having by key pressing, open multimedia player；The three kinds of forms finally realized are：In BIOS menu functions are entered, following functions are realized in four buttons extensions：Into menu function, four direction up and down Key function, selection and confirmation menu function, loading default value and preservation two functions of setting value；Under an operating system, four buttons realize the function of volume plus-minus and brightness plus-minus respectively, when button is long pressed, repeat real Its existing function；Video software is opened, selects video source file upwards, select video source file downwards and confirms four functions of options；It beats Audio software is opened, selects audio source file upwards, select audio source file downwards and confirms four functions of options.
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| CN201510310889.8A CN104965660B (en) | 2015-06-09 | 2015-06-09 | A kind of method that tri-state key is realized on tablet |
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| CN201510310889.8A CN104965660B (en) | 2015-06-09 | 2015-06-09 | A kind of method that tri-state key is realized on tablet |
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| CN104965660B true CN104965660B (en) | 2018-05-18 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105760314A (en) * | 2016-03-14 | 2016-07-13 | 山东超越数控电子有限公司 | Method for controlling starting-up screen luminance of system by virtue of EC SCI |
| CN110347624B (en) * | 2019-07-16 | 2021-03-26 | 深圳市同泰怡信息技术有限公司 | Method, device and equipment for adjusting basic input and output system setting |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313287A (en) * | 2005-10-13 | 2008-11-26 | 桑迪士克股份有限公司 | Initialization of flash storage via an embedded controller |
| CN102736734A (en) * | 2011-03-31 | 2012-10-17 | 和硕联合科技股份有限公司 | Electronic device and function execution method applied thereto |
| CN103677373A (en) * | 2012-09-25 | 2014-03-26 | 神讯电脑(昆山)有限公司 | Touch control display method and electronic device thereof |
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2015
- 2015-06-09 CN CN201510310889.8A patent/CN104965660B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313287A (en) * | 2005-10-13 | 2008-11-26 | 桑迪士克股份有限公司 | Initialization of flash storage via an embedded controller |
| CN102736734A (en) * | 2011-03-31 | 2012-10-17 | 和硕联合科技股份有限公司 | Electronic device and function execution method applied thereto |
| CN103677373A (en) * | 2012-09-25 | 2014-03-26 | 神讯电脑(昆山)有限公司 | Touch control display method and electronic device thereof |
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