CN101419533A - Automatic coiling control method for touch control panel and control module thereof - Google Patents
Automatic coiling control method for touch control panel and control module thereof Download PDFInfo
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- CN101419533A CN101419533A CN 200810244710 CN200810244710A CN101419533A CN 101419533 A CN101419533 A CN 101419533A CN 200810244710 CN200810244710 CN 200810244710 CN 200810244710 A CN200810244710 A CN 200810244710A CN 101419533 A CN101419533 A CN 101419533A
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Abstract
The invention provides an automatic scrolling control method of a touchpad and a control module thereof. A first region and a second region are preset on the touchpad. When an object moves on the first region, the touchpad sends out position information of the object, when the object moves to the second region, if touch pressure of the object on the second region is more than a reference pressure, the touchpad sends out a scrolling signal, and if the touch pressure of the object on the second region is less than the reference pressure, the touchpad sends out the position information of the object. The method and the module integrate a cursor control function and a scrolling control function, thus enhancing the service efficiency of the touchpad, and enlarging functions of the touchpad.
Description
Technical field
The present invention relates to a kind of control method and control module of Trackpad, especially a kind of automatic coiling control method and control module thereof of Trackpad.
Background technology
Nowadays Trackpad has been widely used on the electronic equipments such as personal digital assistant (PDA), mobile phone, palm PC, flat computer.Trackpad be for the user with the input media that hand or electric conductivity object (for example pointer) slide or contact on panel, the cursor generation is relatively moved and support other extensibility functions, as the key press emulation function etc.For allowing the user can support more diversity function, therefore the notion of subregion has been arranged, and needed some method for detecting, to distinguish the function that the user will use at operating area.
At present existing have an edge locomotive function Trackpad, when user's finger moves to edge area, just sends the cursor scrolling information, and can't differentiate the user is to want general cursor to move or intelligent edge scrolling, causes the misdelivery of signal.A patent of Yi Long (ELAN) company is to judge that finger stops touch pad is realized at the edge above a reference time scrolling control function, but this control method need be waited for certain reference time, real-time is relatively poor, can not satisfy high efficiency operational requirements.
Summary of the invention
The object of the present invention is to provide a kind of automatic coiling control method and control module thereof of Trackpad, cursor control function and scrolling control function are integrated, reach the service efficiency that improves Trackpad, the effect of expansion touch control plate function.
Technical scheme of the present invention is:
A kind of automatic coiling control method of Trackpad is characterized in that, comprises the following steps:
Default at least one second area on this Trackpad is in order to provide cursor function and rolling function;
The position of touching object on the detecting Trackpad;
Confirm that an object touches at least one second area, and
Detect the touching pressure size of this object to this second area;
When this touching pressure size reaches a default value, send a scrolling signal;
At this object the pressure size of this second area during less than a default value, is sent a cursor movable signal.
Further comprising the steps of:
Default at least one first area on this Trackpad is in order to provide cursor function.
The step of wherein sending a scrolling signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object;
If first difference that this perpendicular displacement amount deducts horizontal displacement is sent the scrolling signal of vertical direction greater than first reference value; And
If second difference that this horizontal displacement deducts the perpendicular displacement amount is sent the scrolling signal of horizontal direction greater than second reference value.
The step of wherein sending a scrolling signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object;
If the 3rd difference that this perpendicular displacement amount deducts horizontal displacement is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 3rd reference value; And
If the 4th difference that this horizontal displacement deducts the perpendicular displacement amount is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 4th reference value.
The step of wherein sending a cursor movable signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object; And
Send the cursor movable signal of vertical direction and the cursor movable signal of horizontal direction simultaneously.
The scrolling signal of described vertical direction and the scrolling signal of horizontal direction are positional information or digital signal.
The cursor movable signal of described vertical direction and the cursor movable signal of horizontal direction are absolute coordinate or relative coordinate value.
A kind of automatic coiling control module of Trackpad comprises Trackpad sweep signal, touch-control chip, single-chip microcomputer and main frame, it is characterized in that described Trackpad sweep signal connects the Trackpad sweep signal input end of touch-control chip; Chip selection signal CSb, the clock signal C K of single-chip microcomputer output imports chip selection signal input end, clock signal input terminal and the digital quantity input end that DI is connected the touch-control chip respectively with digital quantity, and the digital quantity output DO of touch-control chip connects the digital quantity input end of single-chip microcomputer; The serial port output terminal of single-chip microcomputer is connected with the serial port input end of main frame.
Described touch-control chip comprises multiway analog switch, configuration register, data shift register, sensor unit, A/D converter and high-speed synchronous serial port SPI; The Trackpad sweep signal input end of multiway analog switch connects the Trackpad sweep signal, the output terminal of multiway analog switch connects the input end of sensor unit, the output terminal of sensor unit connects the analog quantity input end of A/D converter, and the digital quantity output terminal of A/D converter is connected with the slave digital quantity input end of high-speed synchronous serial port SPI; The two path control signal of high-speed synchronous serial port SPI connects the signal input end of configuration register respectively, and the control signal output ends of configuration register connects the signal input end of multiway analog switch; The clock signal input terminal of data shift register connects the slave clock signal output terminal of high-speed synchronous serial port SPI, the digital quantity input end of data shift register connects the slave digital quantity output terminal of high-speed synchronous serial port SPI, and the parallel output terminal of data shift register connects the parallel input end of configuration register; The earth terminal of high-speed synchronous serial port SPI connects decides voltage isolation converter TST.
The invention has the beneficial effects as follows:
The automatic coiling control method of a kind of Trackpad provided by the invention and control module thereof can intelligence detecting fingers or the touching campaign of electric conductivity object, can effectively avoid maloperation, and can guarantee the real-time of scrolling operation, have advantages such as efficiently convenient.
Description of drawings
Fig. 1 is the automatic coiling control method process flow diagram of Trackpad of the present invention.
Fig. 2 is the automatic coiling control module principle schematic of Trackpad of the present invention.
Fig. 3 is the principle schematic of embodiments of the invention one.
Fig. 4 is the principle schematic of embodiments of the invention two.
Fig. 5 is the principle schematic of embodiments of the invention three.
Fig. 6 is the principle schematic of embodiments of the invention four.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The automatic coiling controlling party ratio juris of Trackpad of the present invention is:
At first, default at least one first area on this Trackpad is in order to provide cursor function; Secondly, default at least one second area on this Trackpad is in order to provide cursor function and rolling function; Then, the position of touching object on the detecting Trackpad; And confirm that an object touches at least one second area, and detect the touching pressure size of this object to this second area; When this touching pressure size reaches a default value, send a scrolling signal; At this object the pressure size of this second area during less than a default value, is sent a cursor movable signal.
The step of wherein sending a cursor movable signal comprises:
At first, calculate the perpendicular displacement amount Y and the horizontal displacement X of this object, then, send the cursor movable signal of vertical direction and the cursor movable signal of horizontal direction simultaneously.The cursor movable signal of vertical direction and the cursor movable signal of horizontal direction are absolute coordinate or relative coordinate value.
Embodiment one.
In conjunction with Fig. 3, use finger or pointer second area with bigger pressure touching Trackpad, activate the scrolling control function.
The automatic coiling control module detecting of Trackpad and the perpendicular displacement amount Y and the horizontal displacement X of calculating finger or pointer; If first difference that this perpendicular displacement amount Y deducts horizontal displacement X is then sent the scrolling signal of vertical direction greater than first reference value to main frame, the scrolling signal of vertical direction is a positional information.The scrolling amount of vertically scrolling is proportional to perpendicular displacement amount Y.
Embodiment two.
In conjunction with Fig. 4, use finger or pointer second area with bigger pressure touching Trackpad, activate the scrolling control function.
The automatic coiling control module detecting of Trackpad and the perpendicular displacement amount Y and the horizontal displacement X of calculating finger or pointer; If second difference that this horizontal displacement X deducts perpendicular displacement amount Y is then sent the scrolling signal of horizontal direction greater than second reference value to main frame, the scrolling signal of horizontal direction is a positional information.The scrolling amount of horizontal spool is proportional to horizontal displacement X.
Embodiment three.
In conjunction with Fig. 5, use finger or pointer second area with bigger pressure touching Trackpad, activate the scrolling control function.The automatic coiling control module detecting of Trackpad and the perpendicular displacement amount Y and the horizontal displacement X of calculating finger or pointer; If the 3rd difference that this perpendicular displacement amount Y deducts horizontal displacement X is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 3rd reference value.The scrolling signal of vertical direction and the scrolling signal of horizontal direction are positional information.
The scrolling amount of vertically scrolling is proportional to perpendicular displacement amount Y, and the scrolling amount of horizontal spool is proportional to horizontal displacement X.
Embodiment four.
In conjunction with Fig. 6, use finger or pointer second area with bigger pressure touching Trackpad, activate the scrolling control function.The automatic coiling control module detecting of Trackpad and the perpendicular displacement amount Y and the horizontal displacement X of calculating finger or pointer; If the 4th difference that this horizontal displacement X deducts perpendicular displacement amount Y is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 4th reference value.The scrolling signal of vertical direction and the scrolling signal of horizontal direction are positional information.
The scrolling amount of vertically scrolling is proportional to perpendicular displacement amount Y, and the scrolling amount of horizontal spool is proportional to horizontal displacement X.
First reference value among embodiment one and the embodiment two equals second reference value, for default reference value, can adjust according to user's operating habit by software.
The 3rd reference value among embodiment three and the embodiment four equals the 4th reference value, for default reference value, can adjust according to user's operating habit by software.
Embodiment five.
Finish rolling function, only with hand refer to or pointer with the second area of less pressure touching Trackpad, the automatic coiling control module detecting of Trackpad is also calculated perpendicular displacement amount Y, the horizontal displacement X of finger or pointer and is touched pressure P n, when touching pressure P n less than a default value; Send the cursor movable signal of vertical direction and the cursor movable signal of horizontal direction simultaneously.
The default value of touching pressure size can be adjusted according to user's operating habit by software for default reference value.
Embodiment six.
A kind of automatic coiling control module of Trackpad comprises Trackpad sweep signal, touch-control chip, single-chip microcomputer and main frame, it is characterized in that described Trackpad sweep signal connects the Trackpad sweep signal input end of touch-control chip; Chip selection signal CSb, the clock signal C K of single-chip microcomputer output imports chip selection signal input end, clock signal input terminal and the digital quantity input end that DI is connected the touch-control chip respectively with digital quantity, and the digital quantity output DO of touch-control chip connects the digital quantity input end of single-chip microcomputer; The serial port output terminal of single-chip microcomputer is connected with the serial port input end of main frame.
The touch-control chip comprises multiway analog switch, configuration register, data shift register, sensor unit, A/D converter and high-speed synchronous serial port SPI; The Trackpad sweep signal input end of multiway analog switch connects the Trackpad sweep signal, and the Trackpad sweep signal is 16 or 32, and the figure place of Trackpad sweep signal is 16 integral multiple.The output terminal of multiway analog switch connects the input end of sensor unit, and the output terminal of sensor unit connects the analog quantity input end of A/D converter, and the digital quantity output terminal of A/D converter is connected with the slave digital quantity input end of high-speed synchronous serial port SPI; The two path control signal of high-speed synchronous serial port SPI connects the signal input end of configuration register respectively, and the control signal output ends of configuration register connects the signal input end of multiway analog switch; The clock signal input terminal of data shift register connects the slave clock signal output terminal of high-speed synchronous serial port SPI, the digital quantity input end of data shift register connects the slave digital quantity output terminal of high-speed synchronous serial port SPI, and the parallel output terminal of data shift register connects the parallel input end of configuration register; The earth terminal of high-speed synchronous serial port SPI connects decides voltage isolation converter TST.The Trackpad sweep signal is 32, is respectively T0, T1 ..., T30, T31.
The principle of work of the automatic coiling control module of Trackpad is:
The touch-control sweep trace of second area will be pointed or the touching information (Trackpad sweep signal) of electric conductivity object is passed to the touch-control chip on the capacitive touch control plate, the Trackpad sweep signal that the touch-control chip is accepted is original absolute displacement coordinate (X, Y) and the touching force value (Pn), A/D converter in the touch-control chip is with the detected absolute coordinates (X of sensor unit, Y) and the touching force value (Pn) send single-chip microcomputer to by high-speed synchronous serial port SPI, single-chip microcomputer by certain algorithm process after, obtain the relative displacement coordinate (Xn.Yn) and the touching force value (Pn) of touch coordinate, single-chip microcomputer sends relative displacement coordinate (Xn.Yn) to main frame by serial port PS2, thereby realizes rolling function or cursor locomotive function.
Claims (9)
1, a kind of automatic coiling control method of Trackpad is characterized in that, comprises the following steps:
Default at least one second area on this Trackpad is in order to provide cursor function and rolling function;
The position of touching object on the detecting Trackpad;
Confirm that an object touches at least one second area, and
Detect the touching pressure size of this object to this second area;
When this touching pressure size reaches a default value, send a scrolling signal;
At this object the pressure size of this second area during less than a default value, is sent a cursor movable signal.
2, the automatic coiling control method of a kind of Trackpad according to claim 1 is characterized in that, and is further comprising the steps of:
Default at least one first area on this Trackpad is in order to provide cursor function.
3, the automatic coiling control method of a kind of Trackpad according to claim 1 is characterized in that, the step of wherein sending a scrolling signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object;
If first difference that this perpendicular displacement amount deducts horizontal displacement is sent the scrolling signal of vertical direction greater than first reference value; And
If second difference that this horizontal displacement deducts the perpendicular displacement amount is sent the scrolling signal of horizontal direction greater than second reference value.
4, the automatic coiling control method of a kind of Trackpad according to claim 1 is characterized in that, the step of wherein sending a scrolling signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object;
If the 3rd difference that this perpendicular displacement amount deducts horizontal displacement is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 3rd reference value; And
If the 4th difference that this horizontal displacement deducts the perpendicular displacement amount is sent the scrolling signal of vertical direction and the scrolling signal of horizontal direction simultaneously less than the 4th reference value.
5, the automatic coiling control method of a kind of Trackpad according to claim 1 is characterized in that, the step of wherein sending a cursor movable signal comprises:
Calculate the perpendicular displacement amount and the horizontal displacement of this object; And
Send the cursor movable signal of vertical direction and the cursor movable signal of horizontal direction simultaneously.
6,, it is characterized in that the scrolling signal of described vertical direction and the scrolling signal of horizontal direction are positional information or digital signal according to the automatic coiling control method of claim 3 or 4 described a kind of Trackpads.
7, the automatic coiling control method of a kind of Trackpad according to claim 5 is characterized in that the cursor movable signal of described vertical direction and the cursor movable signal of horizontal direction are absolute coordinate or relative coordinate value.
8, a kind of automatic coiling control module of Trackpad comprises Trackpad sweep signal, touch-control chip, single-chip microcomputer and main frame, it is characterized in that described Trackpad sweep signal connects the Trackpad sweep signal input end of touch-control chip; Chip selection signal CSb, the clock signal C K of single-chip microcomputer output imports chip selection signal input end, clock signal input terminal and the digital quantity input end that DI is connected the touch-control chip respectively with digital quantity, and the digital quantity output DO of touch-control chip connects the digital quantity input end of single-chip microcomputer; The serial port output terminal of single-chip microcomputer is connected with the serial port input end of main frame.
9, the automatic coiling control module of Trackpad according to claim 8 is characterized in that described touch-control chip comprises multiway analog switch, configuration register, data shift register, sensor unit, A/D converter and high-speed synchronous serial port SPI; The Trackpad sweep signal input end of multiway analog switch connects the Trackpad sweep signal, the output terminal of multiway analog switch connects the input end of sensor unit, the output terminal of sensor unit connects the analog quantity input end of A/D converter, and the digital quantity output terminal of A/D converter is connected with the slave digital quantity input end of high-speed synchronous serial port SPI; The two path control signal of high-speed synchronous serial port SPI connects the signal input end of configuration register respectively, and the control signal output ends of configuration register connects the signal input end of multiway analog switch; The clock signal input terminal of data shift register connects the slave clock signal output terminal of high-speed synchronous serial port SPI, the digital quantity input end of data shift register connects the slave digital quantity output terminal of high-speed synchronous serial port SPI, and the parallel output terminal of data shift register connects the parallel input end of configuration register; The earth terminal of high-speed synchronous serial port SPI connects decides voltage isolation converter TST.
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| CN 200810244710 CN101419533A (en) | 2008-12-15 | 2008-12-15 | Automatic coiling control method for touch control panel and control module thereof |
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| CN 200810244710 CN101419533A (en) | 2008-12-15 | 2008-12-15 | Automatic coiling control method for touch control panel and control module thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806174A (en) * | 2010-03-22 | 2010-08-18 | 苏州瀚瑞微电子有限公司 | Touch control type anti-theft device |
| CN101882033A (en) * | 2010-07-16 | 2010-11-10 | 广东威创视讯科技股份有限公司 | Method and device for speeding up acquisition of coordinate of touch point |
| CN101943990A (en) * | 2009-07-03 | 2011-01-12 | 索尼公司 | Operating control device, method of controlling operation thereof and computer program |
| CN102135826A (en) * | 2010-01-27 | 2011-07-27 | 比亚迪股份有限公司 | Touch device scroll control method and device |
| CN103699324A (en) * | 2013-12-24 | 2014-04-02 | 小米科技有限责任公司 | Method and device for controlling cursor position |
| CN104487930A (en) * | 2012-05-09 | 2015-04-01 | 苹果公司 | Device, method, and graphical user interface for moving and dropping a user interface object |
-
2008
- 2008-12-15 CN CN 200810244710 patent/CN101419533A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943990A (en) * | 2009-07-03 | 2011-01-12 | 索尼公司 | Operating control device, method of controlling operation thereof and computer program |
| CN102135826A (en) * | 2010-01-27 | 2011-07-27 | 比亚迪股份有限公司 | Touch device scroll control method and device |
| WO2011091729A1 (en) * | 2010-01-27 | 2011-08-04 | Byd Company Limited | Method and system for detecting finger contact on touchpad |
| CN102135826B (en) * | 2010-01-27 | 2013-10-02 | 比亚迪股份有限公司 | Touch device scroll control method and device |
| CN101806174A (en) * | 2010-03-22 | 2010-08-18 | 苏州瀚瑞微电子有限公司 | Touch control type anti-theft device |
| CN101882033A (en) * | 2010-07-16 | 2010-11-10 | 广东威创视讯科技股份有限公司 | Method and device for speeding up acquisition of coordinate of touch point |
| CN101882033B (en) * | 2010-07-16 | 2012-07-11 | 广东威创视讯科技股份有限公司 | Method and device for speeding up acquisition of coordinate of touch point |
| CN104487930A (en) * | 2012-05-09 | 2015-04-01 | 苹果公司 | Device, method, and graphical user interface for moving and dropping a user interface object |
| CN103699324A (en) * | 2013-12-24 | 2014-04-02 | 小米科技有限责任公司 | Method and device for controlling cursor position |
| CN103699324B (en) * | 2013-12-24 | 2016-08-17 | 小米科技有限责任公司 | A kind of method and apparatus that cursor position is controlled |
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Open date: 20090429 |