CN104317597A - Software design method for notebook computer brightness self-adaption - Google Patents
Software design method for notebook computer brightness self-adaption Download PDFInfo
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- CN104317597A CN104317597A CN201410597800.6A CN201410597800A CN104317597A CN 104317597 A CN104317597 A CN 104317597A CN 201410597800 A CN201410597800 A CN 201410597800A CN 104317597 A CN104317597 A CN 104317597A
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract
The invention provides a software design method for notebook computer brightness self-adaption. Script program self-running brightness calibration software for application layer brightness control is added in an operating system and used for analyzing brightness parameter values obtained from the operating system and comparing the parameter values transmitted from two sensors and designing proper brightness values prior to transmitting the designed proper brightness values to the operating system, the operating system controls the brightness level under a brightness setting menu of the operating system firstly after receiving brightness control values and transmits the information to an EC at the same time, and the EC controls PWM (pulse-width modulation) signals of a liquid crystal screen according to a brightness information value, so that a whole brightness control self-adaption action is completed.
Description
Technical field
The present invention relates to notebook, linux kernel drives exploitation, EC development technique field, by identifying the information that the luminance sensor of notebook inside obtains, the self-adaptative adjustment of brightness is carried out, specifically the adaptive software design approach of a kind of notebook brightness according to current operating environment.
Background technology
Generally carry out manual shift by FN function key in notebook brightness regulation, the brightness regulation instruction of the operation acquisition active user of FN function key is obtained by EC, the magnitude of voltage adjusting notebook liquid crystal display is removed again by pwm signal, thus reach the regulatory function of notebook brightness, because notebook product can use lithium battery, under the independent electric power thus supplied of lithium battery, the power consumption of machine system determines the cruising time of notebook, what so enough automatically control liquid crystal display for the adaptation function of notebook applied environment is presented in a comfortable usable range, decrease operation step gather and reasonably can regulate the power consumption of complete machine, the application such as the mobile phone on market has about the self-regulating relevant design of brightness, but lack relevant adaptive calibration software in application layer, make user can only use identical setting in different environments, Consumer's Experience sense is more weak.
Summary of the invention
The object of this invention is to provide the adaptive software design approach of a kind of notebook brightness.
The object of the invention is to realize in the following manner, concrete steps are as follows:
1) under notebook hardware system, design two luminance sensors, drive in system level design brightness regulation, at application layer design adaptive calibration software;
2) in system layer, the brightness regulation of notebook is corresponding with operating system brightness regulation, brightness is under an operating system arranged finally can by the synchronisation of EC and operating system nucleus to consistent state, after user's start, EC is by obtaining the monochrome information of two luminance sensors of current environment, and this monochrome information is passed to operating system by EC after system start-up;
3) by increasing the shell script self-starting brightness calibration software of application layer brightness regulation in an operating system, this software is analyzed after obtaining the brightness parameter value that transmits of operating system, the parameter value transmitted by comparison two sensors is compared, operating system is sent to after designing suitable brightness value, operating system first adjust after receiving this brightness regulation value operating system brightness menu is set under gray scale, send this information to EC simultaneously, EC is according to the pwm signal of this monochrome information value adjustment liquid crystal display, complete the self-adaptation action of whole brightness regulation.
The invention has the beneficial effects as follows: the parameter value transmitted by comparison two sensors is compared, operating system is sent to after designing suitable brightness value, operating system first adjust after receiving this brightness regulation value operating system brightness menu is set under gray scale, send this information to EC simultaneously, EC, according to the pwm signal of this monochrome information value adjustment liquid crystal display, completes the self-adaptation action of whole brightness regulation.
Accompanying drawing explanation
Fig. 1 is notebook start brightness self adaptive flow figure.
Embodiment
With reference to Figure of description, method of the present invention is described in detail below.
The adaptive software design approach of a kind of notebook brightness, concrete steps are as follows
Under notebook hardware system, design two luminance sensors, drive in system level design brightness regulation, at application layer design adaptive calibration software.
In system layer, the brightness regulation of notebook is corresponding with operating system brightness regulation, brightness is under an operating system arranged finally can by the synchronisation of EC and operating system nucleus to consistent state, first after user starts shooting, EC passes through the monochrome information of two luminance sensors obtaining current environment, this monochrome information is passed to operating system by EC after system start-up, by increasing the shell script self-starting brightness calibration software of application layer brightness regulation in an operating system, this software is analyzed after obtaining the brightness parameter value that transmits of operating system, the parameter value transmitted by comparison two sensors is compared, operating system is sent to after designing suitable brightness value, operating system first adjust after receiving this brightness regulation value operating system brightness menu is set under gray scale, send this information to EC simultaneously, EC is according to the pwm signal of this monochrome information value adjustment liquid crystal display, complete the self-adaptation action of whole brightness regulation.
Embodiment
EC Software for Design:
Luminance sensor information is obtained in EC code;
Sensor1=GetSensorinfo (sensor1); // obtain luminance sensor 1 brightness value
Sensor2=GetSensorinfo (sensor2); // obtain luminance sensor 2 brightness value
Sendtosystem (); // transmit this value to system
Application layer software designs:
Part1=SYSGetSensorinfo (sensor1); // application software obtains sensor 1 brightness value from system
Part2=SYSGetSensorinfo (sensor2); // application software obtains sensor 2 brightness value from system
Value=Compare (Part1, Part2); // brightness value of applicable current environment is returned by Algorithm Analysis
Setlighttosys (Value); // notice Operation system setting gray scale.
Except the technical characteristic described in instructions, be the known technology of those skilled in the art.
Claims (1)
1. the adaptive software design approach of notebook brightness, it is characterized in that, concrete steps are as follows:
1) under notebook hardware system, design two luminance sensors, drive in system level design brightness regulation, at application layer design adaptive calibration software;
2) in system layer, the brightness regulation of notebook is corresponding with operating system brightness regulation, brightness is under an operating system arranged finally can by the synchronisation of EC and operating system nucleus to consistent state, after user's start, EC is by obtaining the monochrome information of two luminance sensors of current environment, and this monochrome information is passed to operating system by EC after system start-up;
3) by increasing the shell script self-starting brightness calibration software of application layer brightness regulation in an operating system, this software is analyzed after obtaining the brightness parameter value that transmits of operating system, the parameter value transmitted by comparison two sensors is compared, operating system is sent to after designing suitable brightness value, operating system first adjust after receiving this brightness regulation value operating system brightness menu is set under gray scale, send this information to EC simultaneously, EC is according to the pwm signal of this monochrome information value adjustment liquid crystal display, complete the self-adaptation action of whole brightness regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597800.6A CN104317597A (en) | 2014-10-31 | 2014-10-31 | Software design method for notebook computer brightness self-adaption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597800.6A CN104317597A (en) | 2014-10-31 | 2014-10-31 | Software design method for notebook computer brightness self-adaption |
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| CN104317597A true CN104317597A (en) | 2015-01-28 |
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| CN201410597800.6A Pending CN104317597A (en) | 2014-10-31 | 2014-10-31 | Software design method for notebook computer brightness self-adaption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| CN101778504A (en) * | 2009-01-09 | 2010-07-14 | 浪潮乐金数字移动通信有限公司 | System and method for automatically adjusting brightness of backlight lamps of screen and keys |
| CN102469204A (en) * | 2010-11-16 | 2012-05-23 | 沈阳晨讯希姆通科技有限公司 | Method for automatically adjusting cellphone backlight |
| CN103117044A (en) * | 2013-01-07 | 2013-05-22 | 华为终端有限公司 | Terminal backlight brightness adjusting method and terminal backlight brightness adjusting device and terminal |
| US20130328842A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Electronic Device With Display Brightness Control |
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2014
- 2014-10-31 CN CN201410597800.6A patent/CN104317597A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| CN101778504A (en) * | 2009-01-09 | 2010-07-14 | 浪潮乐金数字移动通信有限公司 | System and method for automatically adjusting brightness of backlight lamps of screen and keys |
| CN102469204A (en) * | 2010-11-16 | 2012-05-23 | 沈阳晨讯希姆通科技有限公司 | Method for automatically adjusting cellphone backlight |
| US20130328842A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Electronic Device With Display Brightness Control |
| CN103117044A (en) * | 2013-01-07 | 2013-05-22 | 华为终端有限公司 | Terminal backlight brightness adjusting method and terminal backlight brightness adjusting device and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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