CN108900669B - Touch screen scanning method and mobile terminal - Google Patents
Touch screen scanning method and mobile terminal Download PDFInfo
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- CN108900669B CN108900669B CN201810668917.7A CN201810668917A CN108900669B CN 108900669 B CN108900669 B CN 108900669B CN 201810668917 A CN201810668917 A CN 201810668917A CN 108900669 B CN108900669 B CN 108900669B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
Abstract
The invention discloses a touch screen scanning method and a mobile terminal, wherein the method is applied to the mobile terminal and comprises the following steps: if the fact that a user answers a 2G call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state is detected, controlling the touch screen to suspend scanning and obtaining the transmitting power grade of a 2G power amplifier of the mobile terminal; and if the transmitting power level is greater than the preset power level, controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation after the preset duration of the touch screen pause scanning until the call of the 2G incoming call is finished. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting software control logic, and the cost is lower.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a touch screen scanning method and a mobile terminal.
Background
With the development of modern communication technology, more and more frequency bands can be supported by mobile terminals, for example, the mobile terminals support 2G, 3G, 4G and 5G frequency bands. At present, although the frequency bands supported by the mobile terminal are more and more, the mobile terminal still mainly uses the 2G frequency band during the voice call. Because the space that 2G antenna occupies among the mobile terminal is great, and the space interval between the touch-sensitive screen is less, consequently, produce the problem that 2G antenna disturbed the touch-sensitive screen easily, for example, when talking under the bright screen state, the touch-sensitive screen is automatic to report a point.
In the prior art, if the 2G antenna interferes with the touch screen, the problem can be solved only by changing the structure or the appearance of the mobile terminal, and the cost is high.
Disclosure of Invention
The embodiment of the invention provides a touch screen scanning method and a mobile terminal, and aims to solve the problem of high cost in the prior art.
To solve the above technical problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention further provides a touch screen scanning method, which is applied to a mobile terminal, and the method includes:
if the fact that a user answers a 2G call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state is detected, controlling the touch screen to suspend scanning and obtaining the transmitting power grade of a 2G power amplifier of the mobile terminal;
and if the transmitting power level is greater than the preset power level, controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation after the preset duration of the touch screen pause scanning until the call of the 2G incoming call is finished.
In a second aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes:
the control unit is used for controlling the touch screen to suspend scanning when detecting that a user answers a 2G call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state;
the mobile terminal comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring the transmitting power grade of a 2G power amplifier of the mobile terminal under the condition that a user answers a 2G call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state;
and the scanning unit is used for controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation until the call of the 2G incoming call is finished after the preset duration of the touch screen pause scanning is reached under the condition that the transmitting power level is greater than the preset power level.
In a third aspect, an embodiment of the present invention further provides a mobile terminal, including a processor, a memory, and a touch screen scanning program stored in the memory and capable of running on the processor, where the touch screen scanning program implements the steps of the touch screen scanning method when executed by the processor.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a touch screen scanning program is stored on the computer-readable storage medium, and when the touch screen scanning program is executed by a processor, the steps of the touch screen scanning method are implemented.
Considering that the instantaneous current for connecting the 2G call is very large, the 2G antenna is easy to interfere with the touch screen, and for the situation, in the embodiment of the present invention, when it is detected that the user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid the 2G antenna from easily interfering with the touch screen. In view of the fact that in the 2G call process, the mobile terminal transmits the 2G signal at the maximum transmission power level to communicate with the base station, which also easily causes the 2G antenna to interfere with the touch screen, in the embodiment of the present invention, in the 2G call process, the touch screen is scanned by using the preset radio frequency interference prevention touch screen scanning operation, so as to avoid the 2G antenna from easily interfering with the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, 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 flow diagram of a touch screen scanning method of one embodiment of the present invention;
FIG. 2 is a flow diagram of a touch screen scanning method of another embodiment of the present invention;
FIG. 3 is a flow chart of a touch screen scanning method of another embodiment of the present invention;
FIG. 4 is an exemplary diagram of a first operational timing signal and a second operational timing signal for one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mobile terminal of an embodiment of the present invention;
fig. 6 is a schematic hardware structure diagram of a mobile terminal implementing various embodiments of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With the increase of the frequency of the mobile terminal used by people, the requirements on the appearance and the performance of the mobile terminal are higher and higher, and particularly for the mobile terminal supporting multiple frequency bands, taking a 5G mobile terminal as an example, the mobile terminal also needs to support 2G, 3G and 4G basic frequency bands besides supporting a 5G frequency band, so that the mobile terminal has higher requirements on the space of an antenna and needs more space. In addition, with the popularization of the full-screen, the touch screen must have the full-screen touch function of the full-screen, and the 2G antenna requires a large space due to the low frequency of 2G, at present, the 2G antenna part is located right under the upper part and the lower part of most touch screens, the space interval between the touch screen and the 2G antenna part is small, the isolation between the touch screen and the 2G antenna is not enough, and the problem that the 2G antenna interferes with the touch screen is easily caused, for example, when a call is made in a bright screen state, the touch screen automatically reports points.
In the prior art, in the product development process, if the phenomena that the 2G antenna interferes the touch screen, the touch screen automatically reports points and the like are found, the problems can be thoroughly solved only by re-stacking the structure and even changing the appearance of the mobile terminal. In addition, the problem that the 2G antenna interferes the touch screen is not high in probability, the problem is not easy to find in the trial production process, the product structure development is completed, and the product development progress is over half, so that the structure or the appearance is changed, the development cost is increased, and the problem is a very large loss for mobile terminal manufacturers with intense competition. It is therefore desirable to provide a low cost solution. In order to solve the technical problem, embodiments of the present invention provide a touch screen scanning method and a mobile terminal.
For ease of understanding, some concepts involved in embodiments of the present invention will be described first.
The automatic touch screen point reporting means that the touch screen of the mobile terminal is not operated by a user, and the touch screen has phenomena of screen flickering, shaking or jumping and the like.
The 2G antenna interferes with the touch screen: when a 2G screen is on (a touch screen is also working), if a 2G signal of a base station is weak, the current is very high (for example, 2 amperes or 3 amperes) at the moment of receiving the call, and a 2G antenna is easy to interfere with the touch screen; when a 2G Power Amplifier (PA) in a mobile terminal transmits a 2G signal (actually, a 2G radio frequency signal) at a maximum Power level to communicate with a base station (i.e., during a call), the touch screen is not isolated from the 2G antenna enough, and the 2G antenna also interferes with the touch screen, where the 2G Power Amplifier is used to transmit the 2G signal to the base station through the 2G antenna at a certain transmission Power, and the 2G Power Amplifier is an independent Power Amplifier in the mobile terminal.
The basic working principle of the 2G Global System for Mobile Communication (GSM):
the GSM system is currently the most widely used mobile phone standard, and in the GSM system, the wireless interface adopts a combination of Time Division Multiple Access (TDMA) and Frequency Division Multiple Access (FDMA). Users communicate on different frequency channels, and each frequency channel can be divided into 8 time slots, one for each channel, so that one frequency channel can be used by 8 full-rate (or 16 half-rate) mobile terminals at most simultaneously. TDMA frames are physical frames that are repeated over a wireless link, each TDMA frame comprising 8 time slots, an overall frame duration of approximately 4.615ms, each time slot comprising 156.25 symbols, and a time slot duration of 0.577 ms.
The working mechanism of the touch screen is as follows:
at present, a touch screen used by a mobile terminal is generally a capacitive touch screen, and the capacitive touch screen technology works by using current induction of a human body. Taking a GFF capacitive touch screen as an example, the GFF capacitive touch screen is generally a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are coated with a layer of ITO, the outermost layer is a thin silica glass protective layer, the interlayer ITO coating is used as a working surface, four electrodes are led out from four corners, and the inner layer of ITO is used as a shielding layer to ensure a good working environment. When a finger touches the metal layer, a coupling capacitance is formed between the user and the touch screen surface due to the electric field of the human body, and for high frequency currents, the capacitance is a direct conductor, so that the finger draws a small current from the contact point. The currents respectively flow out of the electrodes on the four corners of the touch screen, the currents flowing through the four electrodes are in direct proportion to the distances from the fingers to the four corners, and the controller obtains the position of a touch point through accurate calculation of the proportion of the four currents.
The touch screen includes: a driving channel (also called a scanning channel) TX and a sensing channel (also called a receiving channel) RX, wherein the operating frequency of the driving channel TX (generally 50-500kHZ) and the receiving frequency of the sensing channel RX (i.e. the number of times the sensing channel RX receives a signal) can be adjusted and frequency-hopped.
Number of channels of touch screen: the sum of the number of the driving channels TX and the number of the sensing channels RX determines the size of the touch screen that can be supported by the Integrated Circuit (IC).
Reporting point rate of the touch screen: the frequency of the touch information reported to the processor every second is required to be greater than 60HZ, and the frequency of the touch information reported by the touch screen is adjustable.
For example: touch IC, the number of channels is: 22TX x 34RX is 56CH, if the frequency of scanning the touch point information is 100HZ, that is, the frequency of reporting the touch point information to the processor per second is 100 times, the frequency of reporting the touch point information on the touch screen may be greater than 160 HZ.
Next, a touch screen scanning processing method provided by an embodiment of the present invention is described.
It should be noted that the touch screen scanning method provided by the embodiment of the present invention is applicable to a mobile terminal, and in practical application, the mobile terminal may include: smart phones, tablet computers, smart watches, personal digital assistants, and the like, which are not limited in the embodiments of the present invention.
Fig. 1 is a flowchart of a touch screen scanning method according to an embodiment of the present invention, which is applied to a mobile terminal (specifically, a processor in the mobile terminal), and as shown in fig. 1, the method may include the following steps: step 101 and step 102, wherein,
in step 101, if it is detected that the user answers the 2G incoming call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state, controlling the touch screen to suspend scanning and obtaining the transmission power level of the 2G power amplifier of the mobile terminal.
Considering that in a general 2G call, at the moment of answering the call, the transmission power of the 2G power amplifier is usually the largest, the consumed current is the largest, and the interference intensity of the 2G antenna on the touch screen is the largest, and within a certain time (for example, within 0.5 s) after the call is connected, the attention of the user is mainly focused on the content of the incoming call sound, and the attention of the user on the touch screen is little, therefore, in the embodiment of the present invention, the mobile terminal may control the touch screen to temporarily stop scanning the touch screen within the certain time (i.e., within the preset time) after the call is connected, so as to avoid the interference of the 2G antenna on the touch screen. That is, during a certain time period (i.e., within a preset time period) when the phone call is answered, although the touch screen is in a bright state, the touch screen is not actually scanned.
In the embodiment of the present invention, the preset time duration is usually a very short time duration, for example, 0.5s or 0.3s, so that the user does not sense the pause scanning of the touch screen. Of course, the setting may be performed according to actual requirements, which is not limited in the embodiment of the present invention.
In the embodiment of the present invention, the transmission power of the 2G power amplifier may be divided into a plurality of classes, where when the 2G signal of the base station is weak, the transmission power class of the 2G power amplifier is higher, and is usually the highest transmission power class.
Considering that when the base station 2G signal is weak, the transmission power level of the mobile terminal 2G power amplifier is the highest level, and when the 2G power amplifier transmits the 2G signal at the maximum transmission power level, the 2G antenna may interfere with the touch screen, in this embodiment of the present invention, the mobile terminal (which may be specifically a processor in the mobile terminal) needs to obtain the transmission power level of the 2G power amplifier.
In step 102, if the transmission power level is greater than the preset power level, after the preset duration of the touch screen pause scanning, controlling the touch screen to execute a preset radio frequency interference prevention touch screen scanning operation until the call of the 2G incoming call is ended.
In the embodiment of the invention, the preset power level is usually the highest transmitting power level, under the condition, if the transmitting power level of the 2G power amplifier is the highest level, the 2G antenna possibly interferes the touch screen, and at the moment, after the touch screen pauses for the preset scanning duration, the mobile terminal controls the touch screen to execute the preset radio frequency interference prevention touch screen scanning operation; the radio frequency interference prevention touch screen scanning operation is used for eliminating (or reducing) interference of the 2G antenna on the touch screen.
If the transmitting power level of the 2G power amplifier is a transmitting power level beyond the highest level, the 2G antenna is indicated to possibly not interfere with the touch screen, and at the moment, after the preset time length for the touch screen to pause scanning, the mobile terminal controls the touch screen to scan the touch screen according to default (normal) scanning parameters.
In an example, the preset time is 0.5s, a phone call is made to a mobile phone of a user a, the user a clicks an answer button on a touch screen of the mobile phone, and accordingly, the mobile phone detects that the user a answers a 2G incoming call, if the mobile phone is in a screen-on state, the mobile phone controls the touch screen to suspend scanning and obtains the transmission power level of the 2G power amplifier, and if the transmission power level of the 2G power amplifier is the highest level, the mobile phone controls the touch screen to execute a preset radio frequency interference prevention touch screen scanning operation after 0.5s until the call of the 2G incoming call is ended.
In the embodiment of the invention, after the call of the 2G incoming call is finished, the touch screen is controlled to stop executing the preset scanning operation of the radio frequency interference prevention touch screen, and the touch screen of the mobile terminal can be scanned according to the default (normal) scanning parameters.
As can be seen from the foregoing embodiments, in the embodiment, considering that the instantaneous current for connecting a 2G call is very large, and the 2G antenna is likely to interfere with the touch screen, in view of this situation, in the embodiment of the present invention, when it is detected that a user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid that the 2G antenna is likely to interfere with the touch screen. In view of the fact that the mobile terminal transmits signals at the maximum power level to communicate with the base station in the 2G call process, and the 2G antenna is prone to interfering with the touch screen, in the embodiment of the invention, in the 2G call process, the touch screen is scanned by adopting the preset radio frequency interference prevention touch screen scanning operation, so that the 2G antenna is prevented from easily interfering with the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Fig. 2 is a flowchart of a touch screen scanning method according to another embodiment of the present invention, where the method is applied to a mobile terminal, and in this embodiment of the present invention, under a condition that interference of a 2G antenna on a touch screen is not serious or has a small probability (i.e., interference of 2G radio frequency signals is not strong or weak), the problem that the 2G antenna interferes with the touch screen may be solved by controlling the touch screen to reduce its sensitivity, where as shown in fig. 2, the method may include the following steps: step 201, step 202 and step 203, wherein,
in step 201, if it is detected that the user answers the 2G incoming call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state, controlling the touch screen to suspend scanning and obtaining the transmission power level of the 2G power amplifier of the mobile terminal.
Step 201 in the embodiment of the present invention is similar to step 101 in the embodiment shown in fig. 1, and details are not repeated here, please refer to the contents in the embodiment shown in fig. 1.
In step 202, if the transmission power level is greater than the preset power level, the touch screen is controlled to reduce the sensitivity of the touch screen after the preset time period during which the touch screen suspends scanning.
At present, the process of answering a call can be divided into two scenes: in the first scenario, after receiving a call, a user places the mobile terminal near the ear, and after the infrared sensor of the mobile terminal senses the call, the touch screen is in a screen-off state, and at the moment, the touch screen stops working. In the second scenario, after answering the call, when the user answers the call by pressing hands-free or with an earphone, the touch screen is in a bright screen state, and the touch screen is in a working state at the moment.
In the second scenario (i.e., the application scenario of the embodiment of the present invention), since the user cannot use the touch screen with one mind, the sensitivity requirement on the touch screen is also reduced, and therefore, in the embodiment of the present invention, the probability that the touch screen is interfered by the 2G radio frequency signal can be reduced by controlling the touch screen to reduce the sensitivity of the touch screen.
In the embodiment of the invention, at least one of the following modes can be adopted: the method comprises the steps of controlling the touch screen to reduce the working frequency of a driving channel TX of the touch screen to a preset first frequency threshold, controlling the touch screen to reduce the receiving frequency of an induction channel RX of the touch screen to a preset second frequency threshold, and controlling the touch screen to reduce the times of reporting contact information by the touch screen to a preset time threshold, so as to achieve the purpose of reducing the sensitivity of the touch screen.
Preferably, the touch screen is controlled to simultaneously reduce the working frequency of a driving channel TX of the touch screen to a preset first frequency threshold, reduce the receiving frequency of a sensing channel RX of the touch screen to a preset second frequency threshold, and reduce the number of times of reporting contact information by the touch screen to a preset number of times threshold, so as to reduce the sensitivity of the touch screen.
It should be noted that, when the operating frequency of the driving channel TX, the receiving frequency of the sensing channel RX, and the number of times of reporting the touch information on the touch screen are reduced, one level or two levels or other levels may be reduced, as long as the purpose of eliminating interference or reducing the probability of occurrence of interference is achieved.
In step 203, the touch screen with the reduced sensitivity is controlled to scan until the call of the 2G incoming call is ended.
In the embodiment of the invention, the touch screen is controlled to scan the driving channel TX of the touch screen according to the reduced working frequency of the driving channel TX; controlling the touch screen to receive signals of the induction channel RX of the touch screen according to the reduced receiving frequency of the induction channel RX; and controlling the touch screen to report the contact information according to the reduced number of times of reporting the contact information by the touch screen.
In the embodiment of the invention, after the call of the 2G incoming call is finished, the touch screen is controlled to stop executing the preset scanning operation of the radio frequency interference prevention touch screen, and the touch screen of the mobile terminal can be scanned according to the default (normal) scanning parameters.
As can be seen from the foregoing embodiments, in the embodiment, considering that the instantaneous current for connecting a 2G call is very large, and the 2G antenna is likely to interfere with the touch screen, in view of this situation, in the embodiment of the present invention, when it is detected that a user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid that the 2G antenna is likely to interfere with the touch screen. In view of the fact that the 2G antenna is likely to interfere with the touch screen when the mobile terminal transmits signals at the maximum power level to communicate with the base station in the 2G call process, in the embodiment of the present invention, in the 2G call process, the problem that the 2G antenna is likely to interfere with the touch screen can be solved by reducing the sensitivity of the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Fig. 3 is a flowchart of a touch screen scanning method according to another embodiment of the present invention, where the method is applied to a mobile terminal, and in the embodiment of the present invention, under a condition that 2G radio frequency signals are relatively strong in interference, a 2G power amplifier of the mobile terminal and a touch screen may operate in a time-division staggered manner, so as to solve a problem that a 2G antenna interferes with the touch screen, where as shown in fig. 3, the method may include the following steps: step 301, step 302 and step 303, wherein,
in step 301, if it is detected that the user answers the 2G incoming call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state, the touch screen is controlled to suspend scanning, and the transmission power level of the 2G power amplifier of the mobile terminal is obtained.
Step 301 in the embodiment of the present invention is similar to step 101 in the embodiment shown in fig. 1, and details thereof are not repeated here, please refer to the contents in the embodiment shown in fig. 1.
In step 302, if the transmission power level is greater than the preset power level, after the preset duration of the touch screen pause scanning, a first working timing signal of the 2G power amplifier is obtained, and the first working timing signal is subjected to an inverse operation to obtain a second working timing signal.
Considering that the user mainly focuses on listening to the voice when receiving the phone call, in the embodiment of the present invention, the touch screen and the 2G power amplifier may be controlled to operate asynchronously and in time division. Firstly, the working timing signal of the 2G power amplifier needs to be acquired, and then the working timing signal is output to the touch screen after being inverted. As shown in fig. 4, the first operation timing signal (i.e., the operation timing signal of the 2G power amplifier) and the second operation timing signal (i.e., the scan control timing of the touch screen) are shown.
In step 303, the touch screen is controlled to scan according to the second working timing signal until the call of the 2G incoming call is ended.
As can be known from the working principle of the GSM system, in the call process of the mobile terminal, the working time slot of the 2G power amplifier is 0.577ms, so in the embodiment of the present invention, the touch screen scanning may be stopped (i.e., the driving channel TX is controlled to stop scanning and the sensing channel RX is controlled to stop receiving signals) in the working time slot of the 2G power amplifier of 0.577ms, that is, the touch screen scanning is stopped during the time when the 2G power amplifier transmits the 2G signal; and scanning the touch screen during the time when the 2G power amplifier does not transmit the 2G signal. Since the working time slot of the 2G power amplifier is short in 0.577ms, the basic touch screen operation of a user is hardly influenced.
Preferably, in the embodiment of the present invention, in order to further reduce interference of the 2G antenna on the touch screen, the touch screen may be further controlled to reduce the sensitivity of the touch screen, and at this time, the step 303 may specifically include the following steps:
and controlling the touch screen with reduced sensitivity to scan according to the second working timing sequence signal until the call of the 2G incoming call is finished. The method for reducing the sensitivity of the touch screen is similar to step 202 in the embodiment shown in fig. 2, and is not repeated here.
In the embodiment of the invention, after the call of the 2G incoming call is finished, the touch screen is controlled to stop executing the preset scanning operation of the radio frequency interference prevention touch screen, and the touch screen of the mobile terminal can be scanned according to the default (normal) scanning parameters.
As can be seen from the foregoing embodiments, in the embodiment, considering that the instantaneous current for connecting a 2G call is very large, and the 2G antenna is likely to interfere with the touch screen, in view of this situation, in the embodiment of the present invention, when it is detected that a user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid that the 2G antenna is likely to interfere with the touch screen. In view of the fact that the 2G antenna is likely to interfere with the touch screen when the mobile terminal transmits signals at the maximum power level to communicate with the base station in the 2G call process, in the embodiment of the present invention, in the 2G call process, the problem that the 2G antenna interferes with the touch screen can be solved by time-division staggered operation of the 2G power amplifier of the mobile terminal and the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Fig. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 5, the mobile terminal 500 may include: a control unit 501, an acquisition unit 502 and a scanning unit 503, wherein,
the control unit 501 is configured to control the touch screen to suspend scanning when it is detected that a user answers a 2G incoming call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state;
an obtaining unit 502, configured to obtain a transmission power level of a 2G power amplifier of the mobile terminal when it is detected that a user answers a 2G incoming call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state;
the scanning unit 503 is configured to, when the transmission power level is greater than a preset power level, control the touch screen to perform a preset radio frequency interference prevention touch screen scanning operation after a preset duration of the touch screen suspension scanning until the call of the 2G incoming call is ended.
As can be seen from the foregoing embodiments, in the embodiment, considering that the instantaneous current for connecting a 2G call is very large, and the 2G antenna is likely to interfere with the touch screen, in view of this situation, in the embodiment of the present invention, when it is detected that a user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid that the 2G antenna is likely to interfere with the touch screen. In view of the fact that the mobile terminal transmits signals at the maximum power level to communicate with the base station in the 2G call process, and the 2G antenna is prone to interfering with the touch screen, in the embodiment of the invention, in the 2G call process, the touch screen is scanned by adopting the preset radio frequency interference prevention touch screen scanning operation, so that the 2G antenna is prevented from easily interfering with the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Optionally, as an embodiment, the scanning unit 503 may include:
the first sensitivity reduction subunit is used for controlling the touch screen to reduce the sensitivity of the touch screen after the preset time of the touch screen for pausing scanning under the condition that the transmitting power level is greater than the preset power level;
and the first scanning subunit is used for controlling the touch screen with reduced sensitivity to scan until the call of the 2G incoming call is finished.
Optionally, as an embodiment, the scanning unit 503 may include:
the working time sequence signal acquisition subunit is used for acquiring a first working time sequence signal of the 2G power amplifier after the preset duration of the touch screen for suspending scanning under the condition that the transmitting power level is greater than the preset power level;
the phase inversion operation subunit is used for performing phase inversion operation on the first working timing sequence signal to obtain a second working timing sequence signal;
and the second scanning subunit is used for controlling the touch screen to scan according to the second working timing sequence signal until the call of the 2G incoming call is finished.
Optionally, as an embodiment, the scanning unit 503 may further include:
the second sensitivity reduction subunit is used for controlling the touch screen to reduce the sensitivity of the touch screen;
the second scanning subunit is specifically configured to:
and controlling the touch screen with reduced sensitivity to scan according to the second working time sequence signal until the call of the 2G incoming call is finished.
Optionally, as an embodiment, the first sensitivity reduction subunit is specifically configured to:
controlling the touch screen to reduce the working frequency of a driving channel TX of the touch screen to a preset first frequency threshold, controlling the touch screen to reduce the receiving frequency of an induction channel RX of the touch screen to a preset second frequency threshold, and controlling the touch screen to reduce the number of times of reporting contact information by the touch screen to a preset number of times threshold;
the second sensitivity reduction subunit is specifically configured to:
the touch screen is controlled to reduce the working frequency of a driving channel TX of the touch screen, the touch screen is controlled to reduce the receiving frequency of an induction channel RX of the touch screen, and the touch screen is controlled to reduce the number of times of reporting contact information by the touch screen.
Fig. 6 is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, and as shown in fig. 6, the mobile terminal 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 6 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 610 is configured to control the touch screen to suspend scanning and obtain a transmission power level of a 2G power amplifier of the mobile terminal if it is detected that a user answers a 2G incoming call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state; and if the transmitting power level is greater than the preset power level, controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation after the preset duration of the touch screen pause scanning until the call of the 2G incoming call is finished.
Considering that the instantaneous current for connecting the 2G call is very large, the 2G antenna is easy to interfere with the touch screen, and for the situation, in the embodiment of the present invention, when it is detected that the user answers the 2G call, the scanning of the touch screen is suspended, so as to avoid the 2G antenna from easily interfering with the touch screen. In view of the fact that the mobile terminal transmits signals at the maximum power level to communicate with the base station in the 2G call process, and the 2G antenna is prone to interfering with the touch screen, in the embodiment of the invention, in the 2G call process, the touch screen is scanned by adopting the preset radio frequency interference prevention touch screen scanning operation, so that the 2G antenna is prevented from easily interfering with the touch screen. Therefore, in the embodiment of the invention, the problem that the 2G antenna interferes with the touch screen can be solved only by adopting the software control logic, and the cost is lower.
Optionally, as an embodiment, the controlling the touch screen to perform a preset radio frequency interference prevention touch screen scanning operation includes:
controlling the touch screen to reduce the sensitivity of the touch screen;
and controlling the touch screen with reduced sensitivity to scan.
Optionally, as an embodiment, the controlling the touch screen to perform a preset radio frequency interference prevention touch screen scanning operation includes:
acquiring a first working time sequence signal of the 2G power amplifier;
carrying out inverse operation on the first working timing sequence signal to obtain a second working timing sequence signal;
and controlling the touch screen to scan according to the second working timing sequence signal.
Optionally, as an embodiment, the method further includes:
controlling the touch screen to reduce the sensitivity of the touch screen;
the controlling the touch screen to scan according to the second working timing sequence signal includes:
and controlling the touch screen with reduced sensitivity to scan according to the second working time sequence signal.
Optionally, as an embodiment, the controlling the touch screen to reduce the sensitivity of the touch screen includes at least one of:
the touch screen is controlled to reduce the working frequency of a driving channel TX of the touch screen to a preset first frequency threshold, the touch screen is controlled to reduce the receiving frequency of an induction channel RX of the touch screen to a preset second frequency threshold, and the touch screen is controlled to reduce the number of times of reporting contact information by the touch screen to a preset number of times threshold.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 601 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 610; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. Further, the radio frequency unit 601 may also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access through the network module 602, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 603 may convert audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as sound. Also, the audio output unit 603 may also provide audio output related to a specific function performed by the mobile terminal 600 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
The input unit 604 is used to receive audio or video signals. The input Unit 604 may include a Graphics Processing Unit (GPU) 6061 and a microphone 6042, and the Graphics processor 6061 processes image data of a still picture or video obtained by an image capturing apparatus (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 606. The image frames processed by the graphic processor 6061 may be stored in the memory 609 (or other storage medium) or transmitted via the radio frequency unit 601 or the network module 602. The microphone 6042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 601 in case of the phone call mode.
The mobile terminal 600 also includes at least one sensor 605, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 6061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 6061 and/or the backlight when the mobile terminal 600 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 605 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 606 is used to display information input by the user or information provided to the user. The Display unit 606 may include a Display panel 6061, and the Display panel 6061 may be configured by a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 607 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 607 includes a touch panel 6061 and other input devices 6072. Touch panel 6061, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 6061 using a finger, a stylus, or any suitable object or accessory). The touch panel 6061 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 610, receives a command from the processor 610, and executes the command. In addition, the touch panel 6061 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 607 may include other input devices 6072 in addition to the touch panel 6061. Specifically, the other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a track ball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 6061 may be overlaid on the display panel 6061, and when the touch panel 6061 detects a touch operation on or near the touch panel 6061, the touch operation is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 provides a corresponding visual output on the display panel 6061 according to the type of the touch event. Although the touch panel 6061 and the display panel 6061 are shown in fig. 6 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 6061 and the display panel 6061 may be integrated to implement the input and output functions of the mobile terminal, and the implementation is not limited herein.
The interface unit 608 is an interface through which an external device is connected to the mobile terminal 600. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 608 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 600 or may be used to transmit data between the mobile terminal 600 and external devices.
The memory 609 may be used to store software programs as well as various data. The memory 609 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 609 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 610 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 609 and calling data stored in the memory 609, thereby integrally monitoring the mobile terminal. Processor 610 may include one or more processing units; preferably, the processor 610 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
The mobile terminal 600 may further include a power supply 611 (e.g., a battery) for supplying power to the various components, and preferably, the power supply 611 is logically connected to the processor 610 via a power management system, so that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the mobile terminal 600 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a mobile terminal, which includes a processor 610, a memory 609, and a touch screen scanning program stored in the memory 609 and capable of running on the processor 610, where the touch screen scanning program is executed by the processor 610 to implement each process of the touch screen scanning method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The embodiment of the invention also provides a computer-readable storage medium, wherein a touch screen scanning program is stored on the computer-readable storage medium, and when being executed by a processor, the touch screen scanning program realizes each process of the embodiment of the touch screen scanning method, can achieve the same technical effect, and is not repeated here to avoid repetition. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A touch screen scanning method is applied to a mobile terminal, and is characterized by comprising the following steps:
if the fact that a user answers a 2G call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state is detected, controlling the touch screen to suspend scanning and obtaining the transmitting power grade of a 2G power amplifier of the mobile terminal;
if the transmitting power level is greater than a preset power level, controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation after the preset duration of the touch screen pause scanning until the call of the 2G incoming call is finished;
if the transmitting power level is not greater than a preset power level, controlling the touch screen to scan according to default scanning parameters after the preset time length for the touch screen to pause scanning;
wherein, control the touch-sensitive screen carries out predetermined anti radio frequency interference touch-sensitive screen scanning operation, include:
acquiring a first working time sequence signal of the 2G power amplifier;
carrying out inverse operation on the first working timing sequence signal to obtain a second working timing sequence signal;
and controlling the touch screen to scan according to the second working timing sequence signal.
2. The method of claim 1, further comprising:
controlling the touch screen to reduce the sensitivity of the touch screen;
the controlling the touch screen to scan according to the second working timing sequence signal includes:
and controlling the touch screen with reduced sensitivity to scan according to the second working time sequence signal.
3. The method of claim 2, wherein the controlling the touch screen to reduce the sensitivity of the touch screen comprises at least one of:
the touch screen is controlled to reduce the working frequency of a driving channel TX of the touch screen to a preset first frequency threshold, the touch screen is controlled to reduce the receiving frequency of an induction channel RX of the touch screen to a preset second frequency threshold, and the touch screen is controlled to reduce the number of times of reporting contact information by the touch screen to a preset number of times threshold.
4. A mobile terminal, characterized in that the mobile terminal comprises:
the control unit is used for controlling the touch screen to suspend scanning when detecting that a user answers a 2G call of the mobile terminal and the touch screen of the mobile terminal is in a bright screen state;
the mobile terminal comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring the transmitting power grade of a 2G power amplifier of the mobile terminal under the condition that a user answers a 2G call of the mobile terminal and a touch screen of the mobile terminal is in a bright screen state;
the scanning unit is used for controlling the touch screen to execute preset radio frequency interference prevention touch screen scanning operation until the call of the 2G incoming call is finished after the touch screen is paused for a preset duration under the condition that the transmitting power level is greater than a preset power level;
the scanning unit is further configured to control the touch screen to scan according to a default scanning parameter after a preset duration of the touch screen suspension scanning is reached when the transmission power level is not greater than a preset power level;
wherein the scanning unit includes:
the working time sequence signal acquisition subunit is used for acquiring a first working time sequence signal of the 2G power amplifier after the preset duration of the touch screen for suspending scanning under the condition that the transmitting power level is greater than the preset power level;
the phase inversion operation subunit is used for performing phase inversion operation on the first working timing sequence signal to obtain a second working timing sequence signal;
and the second scanning subunit is used for controlling the touch screen to scan according to the second working timing sequence signal until the call of the 2G incoming call is finished.
5. The mobile terminal of claim 4, wherein the scanning unit further comprises:
the second sensitivity reduction subunit is used for controlling the touch screen to reduce the sensitivity of the touch screen;
the second scanning subunit is specifically configured to:
and controlling the touch screen with reduced sensitivity to scan according to the second working time sequence signal until the call of the 2G incoming call is finished.
6. The mobile terminal according to claim 5, wherein the second desense subunit is specifically configured to:
the touch screen is controlled to reduce the working frequency of a driving channel TX of the touch screen, the touch screen is controlled to reduce the receiving frequency of an induction channel RX of the touch screen, and the touch screen is controlled to reduce the number of times of reporting contact information by the touch screen.
7. A mobile terminal comprising a processor, a memory and a touch screen scanning program stored on the memory and executable on the processor, the touch screen scanning program when executed by the processor implementing the steps of the touch screen scanning method according to any one of claims 1 to 3.
8. A computer-readable storage medium, on which a touch screen scanning program is stored, which when executed by a processor implements the steps of the touch screen scanning method according to any one of claims 1 to 3.
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| CN109828698A (en) * | 2019-01-31 | 2019-05-31 | 维沃移动通信有限公司 | A kind of control method and terminal device of display module |
| CN110362225B (en) * | 2019-06-18 | 2024-01-30 | 腾讯科技(成都)有限公司 | Touch screen sampling frequency control method and device, medium and electronic equipment |
| CN112468620B (en) * | 2020-11-25 | 2023-06-27 | Oppo广东移动通信有限公司 | Antenna communication control method and device, terminal equipment and storage medium |
| CN113810543B (en) * | 2021-08-09 | 2022-09-13 | 荣耀终端有限公司 | Signal processing method for adjusting interference and immunity in terminal equipment, related device and storage medium |
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