CN114706498B - Method and device for displaying pressing position of touch screen through touch screen software - Google Patents
Method and device for displaying pressing position of touch screen through touch screen software Download PDFInfo
- Publication number
- CN114706498B CN114706498B CN202210627244.7A CN202210627244A CN114706498B CN 114706498 B CN114706498 B CN 114706498B CN 202210627244 A CN202210627244 A CN 202210627244A CN 114706498 B CN114706498 B CN 114706498B
- Authority
- CN
- China
- Prior art keywords
- touch screen
- value
- pixel point
- capacitance
- calculating
- 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
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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
Abstract
The invention discloses a method and a device for displaying a pressing position of a touch screen by touch screen software, wherein the method comprises the following steps: s10, repeatedly reading the capacitance value of each pixel point connected with the touch screen by using touch screen software; s20, calculating a capacitance average value according to the capacitance of each pixel point in M pixel points of the touch screen connected for N times in the initial sampling period; s30, calculating a capacitance difference value according to the capacitance value of each pixel point of the currently read connected touch screen and the capacitance value average value after the initial sampling period; s40, distributing corresponding gray values according to the difference value of capacitance values of each pixel point of the currently read connected touch screen; and S50, setting the background color of the corresponding position of each pixel point according to the gray value of the pixel point of the currently connected touch screen. The method can clearly show the current pressing position of the touch screen pixel point and judge the pressing intensity of the current touch position according to the background color of the current touch screen pixel point position, thereby facilitating the debugging of technical personnel on the touch screen.
Description
Technical Field
The invention relates to the technical field of touch screen software display, in particular to a method and a device for displaying a pressing position of a touch screen by touch screen software.
Background
With the advent of the digital era, touch screens have been widely applied to electronic products such as mobile phones and tablet computers, and before the touch screens are manufactured, technicians firstly use touch screen software to connect the touch screens to perform performance debugging on the touch screens. The touch screen debugging means that after a hand touches the touch screen, the touch screen can detect the current finger position and then report out relevant coordinates, and how to clearly and intuitively display the pressing position of the touch screen on touch screen software becomes more important for debugging of technicians.
Disclosure of Invention
The invention aims to provide a method and a device for displaying a pressing position of a touch screen by touch screen software, so that the pressing position of the touch screen can be displayed clearly and intuitively on the touch screen software.
Therefore, the invention provides a method for displaying the pressing position of a touch screen by touch screen software, which comprises the following steps: s10, repeatedly reading the capacitance value of each pixel point of the connected touch screen by using touch screen software, wherein the currently connected touch screen has M pixel points; s20, calculating the capacitance mean value of each pixel point in the M pixel points connected with the touch screen according to the capacitance of each pixel point in the M pixel points connected with the touch screen for N times in the initial sampling period; s30, calculating a capacitance difference value of each pixel point of the touch screen according to the capacitance value of each pixel point of the currently read connected touch screen and the capacitance average value after the initial sampling period; s40, distributing corresponding gray values according to the capacitance difference value of each pixel point of the currently read connected touch screen; and S50, setting the background color of the corresponding position of each pixel point according to the gray value of each pixel point of the currently connected touch screen, and displaying the background color of each pixel point by the touch screen software.
According to another aspect of the present invention, there is provided an apparatus for displaying a pressing position of a touch screen by touch screen software, including: the capacitance value acquisition module is used for repeatedly reading the capacitance value of each pixel point connected with the touch screen, wherein the currently connected touch screen is provided with M pixel points; the calculation module is used for calculating the capacitance value mean value and the capacitance value difference value of each pixel point in M pixel points connected with the touch screen and distributing corresponding gray values according to the capacitance value difference value; and the setting module is used for setting the background color of the corresponding position of each pixel point in M pixel points of the currently connected touch screen.
The method can clearly show the current pressing position of the touch screen pixel point and judge the pressing intensity of the current touch position according to the background color of the current touch screen pixel point position, thereby facilitating the debugging of technical personnel on the touch screen.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flowchart of a method for displaying a pressing position of a touch screen by touch screen software according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of calculating the gray scale value of the touch screen according to the method of the present invention;
FIG. 3 is a block diagram of an apparatus for displaying a pressing position of a touch screen by touch screen software according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a software display of a touch screen when the touch screen is not pressed in the method of the present invention;
FIG. 5 is a schematic diagram of the display of the touch screen software when the touch screen is pressed according to the method of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart of a method for displaying a pressing position of a touch screen by touch screen software according to an embodiment of the present invention, and the specific flowchart is as follows.
And S10, repeatedly reading the capacitance value of each pixel point of the currently connected touch screen by the touch screen software, wherein the currently connected touch screen has M pixel points.
And S20, calculating the capacitance value of each pixel point of the M pixel points of the connected touch screen in the initial sampling period according to the read capacitance value of each pixel point of the N times of connected touch screens.
And calculating the capacitance value average value of each pixel point in the M pixel points of the connected touch screen for N times by using the arithmetic average value.
The initial sampling period is a period of time when the touch screen is not pressed by a hand after the communication connection between the touch screen and the touch screen software is established, and can be set according to needs, such as 1S-1.5S.
And S30, calculating to obtain a capacitance value difference (Delta) of each pixel point of the currently read connected touch screen according to the capacitance value of each pixel point of the currently read connected touch screen and the capacitance value average value of each pixel point of the touch screen after the initial sampling period.
As described above, the capacitance Delta of the ith pixel point in the currently read M pixel points connected to the touch screen is calculated according to the following formula:
wherein the content of the first and second substances,
the capacitance Delta of the ith pixel point in the currently read M pixel points connected with the touch screen,
the capacitance value of the ith pixel point in the M pixel points of the currently connected touch screen is the mean value,
and the capacitance value of the ith pixel point in the currently read M pixel points connected with the touch screen is obtained.
And S40, distributing corresponding gray values according to the capacitance Delta of each pixel point of the connected touch screen which is read currently.
As described above, with reference to fig. 2, allocating a corresponding capacitance gray value to each pixel point of the currently read connected touch screen includes the following steps.
S410, calculating the capacitance Delta of the ith pixel point connected with the touch screen read currently: di = Ai-Ci, wherein Di is the capacitance Delta of the ith pixel point of the currently read connected touch screen, Ai is the mean value of the capacitance of the ith pixel point of the currently read connected touch screen, and Ci is the capacitance of the ith pixel point of the currently read connected touch screen.
S420, normalizing the capacitance Delta of the pixel point: if Di is larger than 960, setting Di = 960, and if Di is smaller than 0, setting Di = 0, wherein 960 is the upper limit of the capacitance Delta of the pixel point of the touch screen, and 0 is the lower limit of the capacitance Delta of the pixel point of the touch screen.
S430, calculating the capacitance value deviation average difference of the ith pixel point of the currently read connected touch screen: ni = 960-Di, wherein Ni is the capacitance value mean deviation of the ith pixel point of the currently read connected touch screen, and Di is the capacitance value Delta of the ith pixel point of the currently read connected touch screen.
S440, calculating the gray scale order of the capacitance value of the ith pixel point of the currently read connected touch screen: si = Ni/30, wherein Si is the gray scale order of the capacitance value of the ith pixel point of the connected touch screen which is currently read, Ni is the distance average difference of the capacitance value of the ith pixel point of the connected touch screen which is currently read, and 30 is the difference value of the capacitance value Delta of the pixel point of the touch screen.
S450, calculating a basic value of capacitance value gray scale value of the ith pixel point of the currently read connected touch screen: and Ti = Si × 6, wherein Ti is a currently read gray level basic value of the capacitance value of the ith pixel point connected with the touch screen, Si is a currently read gray level order of the capacitance value of the ith pixel point connected with the touch screen, and 6 is a difference value of each gray level of the capacitance value of the pixel point of the touch screen.
S460, calculating the capacitance gray value of the ith pixel point of the currently read connected touch screen: gi = Ti + 63, wherein Gi is the capacitance gray value of the ith pixel point of the connected touch screen which is currently read, and 63 is the capacitance gray value compensation value of the pixel point of the touch screen.
According to the calculation method provided by the invention, the gray value of each pixel point capacitance value of the currently read connected touch screen is calculated, and the gray value of the pixel point capacitance value is used as the background color of the position corresponding to the current pixel point capacitance value of the touch screen, so that the pressing position of the current touch screen can be observed more visually, and the pressing pressure of the current touch position can be judged according to the background color of the position of the current pixel point of the touch screen.
And S50, setting the background color of the corresponding position of the pixel point of the touch screen according to the currently read gray value of the capacitance value of each pixel point of the connected touch screen.
As described above, the currently read gray-level value of each pixel point capacitance of the connected touch screen is used as a color (RGB (Gi, Gi)) to be a background color of the corresponding position of the currently read pixel point of the connected touch screen, where Gi is the gray-level value of the ith pixel point capacitance of the currently read connected touch screen, as shown in fig. 5.
Example two
Referring to fig. 3, fig. 3 is a block diagram of an apparatus for displaying a pressing position of a touch screen by touch screen software according to a second embodiment of the present invention, where the apparatus may be configured in a computer in a software manner.
The device includes: a capacitance value obtaining module 210, a calculating module 220, and a setting module 230.
The capacitance value obtaining module 210 is configured to obtain a capacitance value of each pixel of the touch screen from a currently connected touch screen, where the currently connected touch screen has M pixels; the calculating module 220 is used for calculating a capacitance value mean value, a capacitance value difference Delta and a gray value corresponding to the distributed Delta of each pixel point of M pixel points of the touch screen acquired from the currently connected touch screen; the setting module 230 is configured to set a background color corresponding to a capacitance value of each of M pixels of the currently connected touch screen.
Further, the calculating module 220 includes: the device comprises a first calculation unit, a second calculation unit and a third calculation unit.
The first calculating unit is used for calculating the capacitance value average value of each pixel point in M pixel points of the touch screen for N times by using an arithmetic average value in an initial sampling period, wherein N is larger than or equal to 32, and M is larger than or equal to 2; the second calculation unit is used for calculating the capacitance value difference Delta of each pixel point in M pixel points of the connected touch screen which is obtained currently; and the third calculating unit is used for calculating the gray value corresponding to the capacitance value of each pixel point in the M pixel points which are connected with the touch screen currently.
Further, the setting module 230 is configured to set a background color corresponding to a capacitance value of each of M pixels currently connected to the touch screen, where the background color is generated by a gray value output by the calculating module.
According to the method and the device for the touch screen production test system, the serial numbers of different touch screen production test devices are transmitted when the touch screen production test system is started, so that the purpose that the same touch screen production test system is allowed to be started for multiple times and different touch screen production test devices are connected is achieved, the purpose that multiple touch screens to be tested can be tested on one computer at the same time is achieved, and the touch screen test efficiency is improved.
The remaining parts of the invention, which are not described, may be the same as, or well known or may be implemented using the prior art, and will not be described in detail herein.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A method for displaying a pressing position of a touch screen by touch screen software is characterized by comprising the following steps:
s10, repeatedly reading the capacitance value of each pixel point of the connected touch screen by using touch screen software, wherein the currently connected touch screen has M pixel points;
s20, calculating the mean value of the capacitance value of each pixel point in the M pixel points of the connected touch screen according to the capacitance value of each pixel point in the M pixel points of the connected touch screen for N times in the initial sampling period;
s30, calculating a capacitance difference value of each pixel point of the touch screen according to the capacitance value of each pixel point of the currently read connected touch screen and the capacitance average value after the initial sampling period;
s40, distributing corresponding gray values according to the capacitance difference value of each pixel point of the currently read connected touch screen;
s50, setting the background color of the corresponding position of each pixel point according to the gray value of the pixel point of the current connected touch screen,
wherein, step S40 includes the following steps:
s410, calculating the capacitance difference value of the ith pixel point of the currently read connected touch screen: di = Ai-Ci, wherein Di is the capacitance difference value of the ith pixel point of the currently read connected touch screen, Ai is the mean value of the capacitance values of the ith pixel point of the currently read connected touch screen, and Ci is the capacitance value of the ith pixel point of the currently read connected touch screen;
s420, normalizing the capacitance difference value of the pixel point: if Di is larger than 960, setting Di = 960, and if Di is smaller than 0, setting Di = 0, wherein 960 is the upper limit of the capacitance Delta of the pixel point of the touch screen, and 0 is the lower limit of the capacitance difference value of the pixel point of the touch screen;
s430, calculating the capacitance value deviation average difference of the ith pixel point of the currently read connected touch screen: ni = 960-Di, wherein Ni is the capacitance value deviation average difference of the ith pixel point of the currently read connected touch screen, and Di is the capacitance value difference of the ith pixel point of the currently read connected touch screen;
s440, calculating the gray scale order of the capacitance value of the ith pixel point of the currently read connected touch screen: si = Ni/30, wherein Si is the gray scale order of the capacitance value of the ith pixel point of the connected touch screen which is currently read, Ni is the mean deviation of the capacitance value of the ith pixel point of the connected touch screen which is currently read, and 30 is the difference value of each order of the capacitance values of the pixel points of the touch screen;
s450, calculating a basic value of capacitance value gray scale value of the ith pixel point of the currently read connected touch screen: ti = Si × 6, wherein Ti is a currently read gray level basic value of the capacitance value of the ith pixel point connected with the touch screen, Si is a currently read gray level order of the capacitance value of the ith pixel point connected with the touch screen, and 6 is a difference value of each gray level of the capacitance value of the pixel point of the touch screen;
s460, calculating the capacitance gray value of the ith pixel point of the currently read connected touch screen: and Gi = Ti + 63, wherein Gi is the capacitance gray value of the ith pixel point of the connected touch screen which is currently read, and 63 is the capacitance gray value compensation value of the pixel point of the touch screen.
2. The method for displaying the pressing position of the touch screen by the touch screen software according to claim 1, wherein the touch screen software repeatedly reads the capacitance value of each pixel of the currently connected touch screen N times, wherein N ≧ 32.
3. The method for displaying the pressing position of the touch screen by the touch screen software according to claim 2, wherein the average value of the capacitance values of each pixel point of M pixel points of the touch screen connected for N times is calculated by using an arithmetic average value.
4. The method for displaying the pressing position of the touch screen by the touch screen software according to claim 1, wherein the calculation method of the capacitance difference value of each pixel of the touch screen is that the capacitance value of each pixel of the touch screen is subtracted from the capacitance value of each pixel of the touch screen, which is currently read, of each pixel of the connected touch screen.
5. The method for displaying the pressing position of the touch screen by the touch screen software according to claim 1, wherein the touch screen software is a software system which can communicate with the connected touch screen and acquire the data of the touch screen.
6. An apparatus for displaying a pressing position of a touch screen by touch screen software, wherein the apparatus is used for implementing the method for displaying the pressing position of the touch screen by the touch screen software according to any one of claims 1 to 5, and the apparatus comprises:
the capacitance value acquisition module is used for repeatedly reading the capacitance value of each pixel point connected with the touch screen, wherein the currently connected touch screen is provided with M pixel points;
the calculation module is used for calculating the capacitance value mean value and the capacitance value difference value of each pixel point in M pixel points connected with the touch screen and distributing corresponding gray values according to the capacitance value difference value;
and the setting module is used for setting the background color of the corresponding position of each pixel point in M pixel points of the currently connected touch screen.
7. The device for displaying the pressing position of the touch screen according to claim 6, wherein the capacitance value obtaining module is configured to obtain the capacitance value of each pixel of the touch screen N times from the connected touch screen, where the currently connected touch screen has M pixels, N ≧ 32, and M ≧ 2.
8. The device for displaying the pressing position of the touch screen according to claim 6, wherein the calculating module is configured to calculate the mean value of the capacitance values of each of the M pixels of the connected touch screen for N times according to the arithmetic mean value.
9. The device for displaying the pressing position of the touch screen according to claim 6, wherein the setting module is configured to set a background color corresponding to the capacitance value of each of the M pixels connected to the touch screen, wherein the background color is generated by the gray value output by the calculating module.
10. The device for displaying the pressing position of the touch screen software according to claim 6, wherein the calculating module comprises:
the first calculation unit is used for calculating the capacitance value mean value of each pixel point in M pixel points connected with the touch screen;
the second calculation unit is used for calculating the capacitance difference value of each pixel point in M pixel points of the connected touch screen which are obtained currently;
and the third calculating unit is used for calculating the gray value corresponding to the capacitance difference value of each pixel point in the M pixel points connected with the touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627244.7A CN114706498B (en) | 2022-06-06 | 2022-06-06 | Method and device for displaying pressing position of touch screen through touch screen software |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627244.7A CN114706498B (en) | 2022-06-06 | 2022-06-06 | Method and device for displaying pressing position of touch screen through touch screen software |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114706498A CN114706498A (en) | 2022-07-05 |
| CN114706498B true CN114706498B (en) | 2022-08-19 |
Family
ID=82178112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210627244.7A Active CN114706498B (en) | 2022-06-06 | 2022-06-06 | Method and device for displaying pressing position of touch screen through touch screen software |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114706498B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202649982U (en) * | 2011-08-25 | 2013-01-02 | 比亚迪股份有限公司 | Capacitive touch screen detecting device |
| CN105528110A (en) * | 2015-12-04 | 2016-04-27 | 京东方科技集团股份有限公司 | Embedded touch screen, display device and driving method thereof |
| CN106610747A (en) * | 2015-10-26 | 2017-05-03 | 京东方科技集团股份有限公司 | Embedded touch screen and driving method thereof and display device |
| CN107132942A (en) * | 2016-02-26 | 2017-09-05 | 鸿富锦精密工业（深圳）有限公司 | Touch control display apparatus |
| CN107422899A (en) * | 2017-04-25 | 2017-12-01 | 努比亚技术有限公司 | A kind of terminal and the method for ensureing sensitivity of touch screen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2509651B (en) * | 2011-10-11 | 2015-07-08 | Ibm | Object designation method, device and computer program |
| CN116301480A (en) * | 2017-08-01 | 2023-06-23 | 直观外科手术操作公司 | Touch screen user interface for interacting with virtual models |
-
2022
- 2022-06-06 CN CN202210627244.7A patent/CN114706498B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202649982U (en) * | 2011-08-25 | 2013-01-02 | 比亚迪股份有限公司 | Capacitive touch screen detecting device |
| CN106610747A (en) * | 2015-10-26 | 2017-05-03 | 京东方科技集团股份有限公司 | Embedded touch screen and driving method thereof and display device |
| CN105528110A (en) * | 2015-12-04 | 2016-04-27 | 京东方科技集团股份有限公司 | Embedded touch screen, display device and driving method thereof |
| CN107132942A (en) * | 2016-02-26 | 2017-09-05 | 鸿富锦精密工业（深圳）有限公司 | Touch control display apparatus |
| CN107422899A (en) * | 2017-04-25 | 2017-12-01 | 努比亚技术有限公司 | A kind of terminal and the method for ensureing sensitivity of touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114706498A (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105867751B (en) | Operation information processing method and device | |
| CN106793046B (en) | Screen display adjusting method and mobile terminal | |
| CN104834597A (en) | Method and system for measuring application response duration | |
| CN106203459B (en) | Picture processing method and device | |
| US11280809B2 (en) | Method and apparatus for processing oscilloscope signal and oscilloscope | |
| CN110506252B (en) | Terminal screen is fixed a position to transform relation based on mark figure point coordinate in pattern | |
| CN104657211A (en) | Method and equipment used for operating target application on corresponding equipment | |
| EP3905672B1 (en) | Color space mapping method and device, computer readable storage medium and apparatus | |
| US20140115445A1 (en) | Web page viewing server, web page viewing system, and web page viewing method | |
| KR20230099610A (en) | Method, apparatus and electronic device for estimating screen light leakage amount | |
| CN109271059B (en) | Screen false touch prevention method, terminal and computer readable storage medium | |
| CN102622233A (en) | System and method for automatically generating user interface applicable to certain interactive terminal equipment | |
| CN110895509A (en) | Test processing method and device, electronic equipment and storage medium | |
| CN114706498B (en) | Method and device for displaying pressing position of touch screen through touch screen software | |
| CN103558957A (en) | Method and device for screen operation of mobile terminal | |
| CN109348212B (en) | Image noise determination method and terminal equipment | |
| CN113419646B (en) | Calibration method and device of pressure sensing channel and electronic equipment | |
| CN107862010B (en) | Method and device for acquiring information of application system of Internet of things and mobile terminal | |
| CN113342627B (en) | Application service monitoring method and monitoring system of terminal | |
| CN107219968B (en) | Drawing method, drawing system, mobile terminal and readable storage medium | |
| CN114968466A (en) | Page color matching adjustment method and device, electronic equipment and storage medium | |
| CN114089860A (en) | Pressure-sensitive control method and device for electronic device, and medium | |
| CN113496109B (en) | Method, device, storage medium and electronic equipment for displaying rectangular polygon | |
| CN110865911B (en) | Image testing method, device, storage medium, image acquisition card and upper computer | |
| CN113031812A (en) | Touch event reporting method and device, terminal and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |