CN102279703B - Image slide display method of vehicular multimedia equipment based on single chip microcomputer - Google Patents
Image slide display method of vehicular multimedia equipment based on single chip microcomputer Download PDFInfo
- Publication number
- CN102279703B CN102279703B CN2011101845853A CN201110184585A CN102279703B CN 102279703 B CN102279703 B CN 102279703B CN 2011101845853 A CN2011101845853 A CN 2011101845853A CN 201110184585 A CN201110184585 A CN 201110184585A CN 102279703 B CN102279703 B CN 102279703B
- Authority
- CN
- China
- Prior art keywords
- touch point
- screen
- touch
- image
- point
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Position Input By Displaying (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses an image slide display method of vehicular multimedia equipment based on a single chip. The method comprises the following steps: (1) reading the coordinates of the current touch point on a touch screen; (2) judging the horizontal moving direction of the current touch point relative to a starting point which is the starting touch point of a continuous slide; if the current touch point moves leftwards, changing the horizontal valid display pixel of the image signal, and executing the step (3); if the current touch point moves rightwards relative to the starting point, changing the horizontal non-display pixel of the touch screen, and executing the step (3); and if the image is static, executing the step (3); and (3) repeating the steps (1) and (2). Compared with the prior art, the method disclosed by the invention has the advantage of realizing image slide display without increasing the equipment hardware cost.
Description
Technical field
The present invention relates to the image's dynamic display field, particularly a kind of image slide display method of SCM Based vehicle-mounted multimedia equipment.
Background technology
The single-chip microcomputer vehicle-mounted multimedia equipment is generally driven chip, is touched chip and form by decoding chip, MCU, touch-screen, screen, and this type of vehicle-mounted multimedia equipment enjoys favor because of cheap, and is very high in the occupation rate of existing market.This class vehicle-mounted multimedia equipment drives chip by the decoding chip outputting video signal to screen, drives chip by the MCU control flow vision signal is shown on the screen.This class vehicle-mounted multimedia equipment has a shortcoming: can't realize the dynamic display effect of similar slip, show too stiff dullness, so that feel not directly perceived, dumb during client's touch operation.
Present vehicle-mounted multimedia equipment can realize dynamic display effect only based on the vehicle mounted multimedia of ARM framework and based on these two kinds of the vehicle-mounted multimedia equipments of figure display chip, but cost ratio single-chip microcomputer vehicle mounted multimedia is high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of image slide display method of SCM Based vehicle-mounted multimedia equipment.
Purpose of the present invention is achieved through the following technical solutions: a kind of image slide display method of SCM Based vehicle-mounted multimedia equipment may further comprise the steps:
(1) touches chip and read the coordinate of the current touch point on the touch-screen;
(2) the initial touch point that slides with one-time continuous is as starting point, and single-chip microcomputer judges that current touch point is with respect to the tangential movement direction of starting point; If to left movement, single-chip microcomputer calculates the displacement of touch point with respect to starting point in current touch point, and according to the initial display pixel P of the displacement computed image signal of touch point
1, the effective display pixel of level that obtains picture signal is P
1~ P
1 0, P wherein
1 0Be the total pixel of the level of controllable picture signal, P
1＜P
1 0Screen drives the effective display pixel of level of chip drives touch-screen display image signals, reaches image and is moved to the left; Carry out afterwards step (3);
If current touch point moves right with respect to starting point, single-chip microcomputer calculates the displacement of touch point, calculates the initial display pixel P of touch-screen according to the displacement of touch point
2, obtain the non-display pixel 0 ~ P of level of touch-screen
2, P wherein
2＜P
2 0, P
2 0The total pixel of level for the touch-screen demonstration; It is 0 ~ P in pixel that screen drives the chip drives touch-screen
2Scope in do not show image, at P
2~ P
2 0Show image in the scope, reach image and move right; Carry out afterwards step (3);
If image freeze is carried out step (3);
(3) repeating step (1) ~ (2).
Step (2) if described current touch point with respect to starting point to left movement, single-chip microcomputer calculates the displacement of touch point, is specially:
Calculate the displacement of touch point: L according to following formula
1=P
2 0(x
0-x)/l
0, P wherein
2 0Be the total pixel of level that touch-screen shows, x is the horizontal ordinate of current touch point, x
0Be initial horizontal ordinate, l
0Horizontal total length for touch-screen.
If described current touch point moves right with respect to starting point, single-chip microcomputer calculates the displacement of touch point, is specially:
Calculate the displacement L of touch point according to following formula
2: L
2=P
2 0(x-x
0)/l
0, P wherein
2 0Be total pixel that touch-screen shows, x is the horizontal ordinate of current touch point, x
0Be initial horizontal ordinate, l
0Horizontal total length for touch-screen.
The initial display pixel P of described displacement computed image signal according to the touch point
1, specifically calculate according to following formula:
P
1=L
1。
The described initial display pixel P that calculates touch-screen according to the displacement of touch point
2, specifically calculate according to following formula:
P
2=L
2。
The described single-chip microcomputer of step (2) is judged current touch point with respect to the tangential movement direction of starting point, is specially and carries out following steps:
Whether the horizontal ordinate of (2-1) judging current touch point is less than the horizontal ordinate of starting point;
If judge that then the tangential movement direction of current touch point is as left;
If not, then carry out step (2-2);
Whether the horizontal ordinate of (2-2) judging current touch point is greater than the horizontal ordinate of starting point;
If judge that then the tangential movement direction of current touch point is as to the right;
If not, judge that then current touch point is static.
Compared with prior art, the present invention has the following advantages and effect: the present invention has realized that on the basis of existing single-chip microcomputer vehicle-mounted multimedia equipment the slip of image shows, overcome existing single-chip microcomputer vehicle-mounted multimedia equipment and shown too dull shortcoming, made the user feel in use more directly perceived, flexible; Simultaneously, compare with the existing vehicle-mounted multimedia equipment that slidably shows, the single-chip microcomputer vehicle-mounted multimedia equipment of using the demonstration of this method realization image slide has cheap advantage.
Description of drawings
Fig. 1 is the structured flowchart of the single-chip microcomputer vehicle-mounted multimedia equipment used of the present invention.
Fig. 2 is the flow chart of steps of the image slide display method of SCM Based vehicle-mounted multimedia equipment of the present invention.
Fig. 3 for the image slide display method of SCM Based vehicle-mounted multimedia equipment of invention in the touch point effect synoptic diagram when moving to left.
Fig. 4 is the effect synoptic diagram of the image slide display method of SCM Based vehicle-mounted multimedia equipment of the present invention when moving right in the touch point.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
The image slide display method of a kind of SCM Based vehicle-mounted multimedia equipment in the present embodiment is based on common single-chip microcomputer vehicle-mounted multimedia equipment, as shown in Figure 1, this equipment comprises: touch-screen, touch chip (AK4183), screen drive chip (TW8816) and single-chip microcomputer (MN10131G), and touch-screen, touch chip, screen driving chip are connected with single-chip microcomputer respectively.
As shown in Figure 2, the image slide display method of a kind of SCM Based vehicle-mounted multimedia equipment of the present invention may further comprise the steps:
(1) touches chip and read the coordinate of the current touch point on the touch-screen;
The initial touch point that (2-1) slides with one-time continuous is as starting point, and single-chip microcomputer judges that current touch point is with respect to the tangential movement direction of starting point: whether the horizontal ordinate of judging current touch point is less than the horizontal ordinate of starting point;
If judge that then the tangential movement direction of current touch point is as left;
If not, then carry out step (2-2);
Whether the horizontal ordinate of (2-2) judging current touch point is greater than the horizontal ordinate of starting point;
If then judge the tangential movement direction of current touch point to the right;
If not, judge that then current touch point is static.
If to left movement, single-chip microcomputer calculates the displacement of touch point: L with respect to starting point in current touch point
1=P
2 0(x
0-x)/l
0, P wherein
2 0Be the total pixel of level that touch-screen shows, x is the horizontal ordinate of current touch point, x
0Be initial horizontal ordinate, l
0Horizontal total length for touch-screen; Single-chip microcomputer is according to the initial display pixel P of the displacement computed image signal of touch point
1=L
1, the effective display pixel of level that obtains picture signal is P
1～P
1 0, P wherein
1 0Be the total pixel of the level of controllable picture signal, P
1＜P
1 0Screen drives the effective display pixel of level of chip drives touch-screen display image signals, reaches image and is moved to the left; Carry out afterwards step (3).
What present embodiment adopted is the vision signal of 720*480, and namely controllable horizontal valid pixel scope is 0 ~ 720, the total pixel P of the level of controllable picture signal
1 0=720.If obtain L
1=500, single-chip microcomputer is then with 500 ~ 720 as effective display pixel scope of image and send to screen and drive chip, and screen drives the chip drives touch-screen and shows image.Its effect synoptic diagram as shown in Figure 3, the partial display of the effective display pixel of the level of image 11 (be zone 2.) is on touch-screen 12,1. the zone is the controllable horizontal display pixel of vision signal, namely reaches the effect that image moves to left.
If current touch point moves right with respect to starting point, single-chip microcomputer calculates the displacement L of touch point according to following formula
2: L
2=P
2 0(x-x
0)/l
0Calculate the initial display pixel P of touch-screen according to the displacement of touch point
2=L
2, obtain the non-display pixel 0 ~ P of level of touch-screen
2, P wherein
2＜P
2 0, P
2 0The total pixel of level for the touch-screen demonstration; It is 0 ~ P in pixel that screen drives the chip drives touch-screen
2Scope in do not show image, at P
2~ P
2 0Show image in the scope, reach image and move right; Carry out afterwards step (3).
The pixel that the touch-screen that present embodiment adopts shows is 0 ~ 800, total pixel P
2 0Be 800.If obtain L
2=500, single-chip microcomputer then calculates the initial display pixel P of touch-screen
2=L
2, with 0 ~ 500 as the non-display pixel of the level of touch-screen, and sending to screen and drive chip, screen drives the chip drives touch-screen, shows image at the pixel of touch-screen 500 ~ 800.Its effect synoptic diagram as shown in Figure 3, the initial display position of image 11 on touch-screen moves to right, wherein 3. the zone is the total pixel of level of touch- screen 12,4. the zone is the non-display pixel of level, namely reaches the effect that image moves to right.
If image freeze is carried out step (3);
(3) repeating step (1) ~ (2).
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (4)
1. the image slide display method of a SCM Based vehicle-mounted multimedia equipment is characterized in that, may further comprise the steps:
(1) touches chip and read the coordinate of the current touch point on the touch-screen;
(2) the initial touch point that slides with one-time continuous is as starting point, and single-chip microcomputer judges that current touch point is with respect to the tangential movement direction of starting point; If to left movement, single-chip microcomputer calculates the displacement of touch point: L according to following formula with respect to starting point in current touch point
1=P
2 0(x
0-x)/l
0, P wherein
2 0Be the total pixel of level that touch-screen shows, x is the horizontal ordinate of current touch point, x
0Be initial horizontal ordinate, l
0Horizontal total length for touch-screen; And according to the initial display pixel P of the displacement computed image signal of touch point
1, the effective display pixel of level that obtains picture signal is P
1~ P
1 0, P wherein
1 0Be the total pixel of the level of controllable picture signal, P
1＜P
1 0; Screen drives the effective display pixel of level of chip drives touch-screen display image signals, reaches image and is moved to the left; Carry out afterwards step (3);
If current touch point moves right with respect to starting point, single-chip microcomputer calculates the displacement L of touch point according to following formula
2: L
2=P
2 0(x-x
0)/l
0, P wherein
2 0Be total pixel that touch-screen shows, x is the horizontal ordinate of current touch point, x
0Be initial horizontal ordinate, l
0Horizontal total length for touch-screen; Calculate the initial display pixel P of touch-screen according to the displacement of touch point
2, obtain the non-display pixel 0 ~ P of level of touch-screen
2, P wherein
2＜P
2 0, P
2 0The total pixel of level for the touch-screen demonstration; It is 0 ~ P in pixel that screen drives the chip drives touch-screen
2Scope in do not show image, at P
2~ P
2 0Show image in the scope, reach image and move right; Carry out afterwards step (3);
If image freeze is carried out step (3);
(3) repeating step (1) ~ (2).
2. the image slide display method of a kind of SCM Based vehicle-mounted multimedia equipment according to claim 1 is characterized in that, the initial display pixel P1 of described displacement computed image signal according to the touch point specifically calculates according to following formula:
P
1=L
1。
3. the image slide display method of a kind of SCM Based vehicle-mounted multimedia equipment according to claim 1 is characterized in that, the described initial display pixel P that calculates touch-screen according to the displacement of touch point
2, specifically calculate according to following formula:
P
2=L
2。
4. the image slide display method of a kind of SCM Based vehicle-mounted multimedia equipment according to claim 1, it is characterized in that, the described single-chip microcomputer of step (2) is judged current touch point with respect to the tangential movement direction of starting point, is specially and carries out following steps:
Whether the horizontal ordinate of (2-1) judging current touch point is less than the horizontal ordinate of starting point;
If judge that then the tangential movement direction of current touch point is as left;
If not, then carry out step (2-2);
Whether the horizontal ordinate of (2-2) judging current touch point is greater than the horizontal ordinate of starting point;
If judge that then the tangential movement direction of current touch point is as to the right;
If not, judge that then current touch point is static.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101845853A CN102279703B (en) | 2011-09-28 | 2011-09-28 | Image slide display method of vehicular multimedia equipment based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101845853A CN102279703B (en) | 2011-09-28 | 2011-09-28 | Image slide display method of vehicular multimedia equipment based on single chip microcomputer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102279703A CN102279703A (en) | 2011-12-14 |
| CN102279703B true CN102279703B (en) | 2013-03-20 |
Family
ID=45105177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101845853A Active CN102279703B (en) | 2011-09-28 | 2011-09-28 | Image slide display method of vehicular multimedia equipment based on single chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102279703B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10762691B2 (en) * | 2017-09-08 | 2020-09-01 | Microsoft Technology Licensing, Llc | Techniques for compensating variable display device latency in image display |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101727325A (en) * | 2009-12-30 | 2010-06-09 | 中国电信股份有限公司 | Method and device for realizing image container control with effect of convex lens |
| CN101794192A (en) * | 2010-02-10 | 2010-08-04 | 深圳市同洲电子股份有限公司 | Picture processing method of touch screen terminal and touch screen terminal |
| CN102147659A (en) * | 2011-03-21 | 2011-08-10 | 中兴通讯股份有限公司 | Terminal and display content processing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011022842A (en) * | 2009-07-16 | 2011-02-03 | Sony Corp | Display apparatus, display method, and program |
-
2011
- 2011-09-28 CN CN2011101845853A patent/CN102279703B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101727325A (en) * | 2009-12-30 | 2010-06-09 | 中国电信股份有限公司 | Method and device for realizing image container control with effect of convex lens |
| CN101794192A (en) * | 2010-02-10 | 2010-08-04 | 深圳市同洲电子股份有限公司 | Picture processing method of touch screen terminal and touch screen terminal |
| CN102147659A (en) * | 2011-03-21 | 2011-08-10 | 中兴通讯股份有限公司 | Terminal and display content processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102279703A (en) | 2011-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102789327B (en) | Method for controlling mobile robot on basis of hand signals | |
| CN106598342B (en) | The multisystem of intelligent whiteboard TV uses the design method of a touch frame simultaneously | |
| KR101851916B1 (en) | High-speed display interface | |
| CN102446032B (en) | Information input method and terminal based on camera | |
| EP2584446A3 (en) | Gui applications for use with 3d remote controller | |
| CN103116467A (en) | Video progress and volume control method based on multi-point touch control | |
| WO2013189224A1 (en) | Cursor display position determination method and device | |
| CN103116432A (en) | Three-dimensional operating control method and device of touch screen and mobile terminal thereof | |
| WO2022017139A1 (en) | Parking display method and vehicle | |
| CN104536650A (en) | Parallax page turning man-machine interaction method based on IOS | |
| US20130176214A1 (en) | Touch control method | |
| CN103853495A (en) | Vehicle-mounted device touch control device and method | |
| CN104898902A (en) | Touch display device, driving circuit and driving method thereof, and electronic device | |
| CN102279703B (en) | Image slide display method of vehicular multimedia equipment based on single chip microcomputer | |
| CN104142730A (en) | Method for mapping gesture tracking results to mouse events | |
| WO2012071334A3 (en) | 3d pointing device with up-down-left-right mode switching and integrated swipe detector | |
| CN102314267B (en) | A kind of method that realizes of wireless infrared interaction and device | |
| CN103699265A (en) | Touch display system utilizing stylus and operation method of touch display system | |
| CN103927108A (en) | Multi-finger touch control volume adjusting method of vehicle stereo | |
| CN104536679B (en) | A kind of interactive display method, device and terminal | |
| CN202331413U (en) | Information interaction displaying system | |
| CN102630035A (en) | Viewer position detecting and prompting method for 3D television | |
| CN204374884U (en) | A kind of device of vehicle-mounted 3D gesture HMI menu changing method | |
| CN106608580A (en) | Virtual landscape system used in elevator car | |
| CN102135826B (en) | Touch device scroll control method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOU DESAY SV AUTO. ELECTRONICS CO., LTD. Free format text: FORMER OWNER: HUIZHOU DESAY AUTOMOTIVE ELECTRONICS CO., LTD. Effective date: 20130104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 516006 HUIZHOU, GUANGDONG PROVINCE TO: 516000 HUIZHOU, GUANGDONG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130104 Address after: 516000 Guangdong province Huizhou City Zhongkai high tech Zone and five West Road No. 103 Applicant after: Huizhou Desay SV Auto. Electronics Co., Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone No. 15 District Applicant before: Huizhou Desay Automotive Electronics Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516000 Guangdong province Huizhou Zhongkai high tech Zone and five West Road No. 103 Patentee after: HUIZHOU DESAY SV AUTOMOTIVE CO., LTD. Address before: 516000 Guangdong province Huizhou Zhongkai high tech Zone and five West Road No. 103 Patentee before: Huizhou Desay SV Auto. Electronics Co., Ltd. |