CN105204684A - Touch screen driving frequency control method and device, and electronic equipment - Google Patents
Touch screen driving frequency control method and device, and electronic equipment Download PDFInfo
- Publication number
- CN105204684A CN105204684A CN201510603817.2A CN201510603817A CN105204684A CN 105204684 A CN105204684 A CN 105204684A CN 201510603817 A CN201510603817 A CN 201510603817A CN 105204684 A CN105204684 A CN 105204684A
- Authority
- CN
- China
- Prior art keywords
- frequency
- touch
- interference
- interval
- screen
- 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.)
- Granted
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch screen driving frequency control method and device, and electronic equipment. The touch screen driving frequency control method comprises an interference detection step:, i.e., performing interference detection at a frequency space in a driving frequency band supported by a touch screen, so as to obtain a detection result; an frequency space updating step:, i.e., reducing the frequency space when the detection result indicates that a first frequency does not exist in a frequency set selected from the driving frequency band by the frequency space, and then returning to the interference detection step, wherein interference of other signals at the first frequency to a touch screen driving signal meets a predetermined requirement; a first setting step:, i.e., setting the first frequency as the operating frequency of the touch screen when the detection result indicates that the first frequency exists in the frequency set selected from the driving frequency band by the frequency space. The touch screen driving frequency control method and device, and the electronic equipment reduce the time for determining the operating frequency of the touch screen and improve the efficiency of a processor.
Description
Technical field
The present invention relates to touch-screen Driving technique, particularly a kind of touch-screen driving frequency control method, device and electronic equipment.
Background technology
Along with the develop rapidly of touch-screen, touch-screen has become requisite lifestyle device and working equipment.Two kinds are mainly contained to the interference type that the work of touch-screen has an impact: the interference of display module and common mode interference two kinds, be simply described as follows
Display module (LCM) interference: in actual applications, touch-screen normally cooperatively uses with display module.The work of touch-screen is driven by AC signal, and show module (as liquid crystal display module, diode displaying module etc.) and also there is various AC signal, and the electric field of different AC signal is superimposed and will produces undesired signal.
Common mode interference: the electric terminal with touch-screen uses switch charger to charge usually.When the electric terminal with capacitance touch screen uses switch charger charging, if the switching frequency of switch charger is consistent with the sweep frequency of capacitance touch screen, switching frequency and sweep frequency can produce common mode interference, common mode interference can be coupled on capacitance touch screen by user's finger, cause capacitance touch screen to occur the unusual conditions such as slow in reacting, report point is wrong or do not react, cannot normally use.
Due to the signal that touch signal is very faint, like this, above-mentioned various types of interference all may cause touch signal to be flooded by neighbourhood noise and undesired signal, correctly cannot identify the consequence of touch signal.Therefore effectively overcome display module interference and common mode interference be always industry concern focal issue.
In prior art, the general practice avoiding showing module interference is select the driving frequency of touch-screen, avoids above-mentioned interference.
Inventor finds, the driving frequency of the selection touch-screen of prior art, and avoiding showing the technical scheme of module interference, to there is calculated amount huge, and the defect of overlong time, brief description is as follows.
In prior art, all driving frequencies of touch-screen support are all driven one time, then records the interference strength of the undesired signal under each driving frequency, the driving frequency finally selecting the interference strength of corresponding undesired signal minimum is as frequency of operation.
But the driving frequency of touch-screen support is continuous print, cause the calculated amount of the method very huge, determine that the working time of frequency of operation is long.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of touch-screen driving frequency control method, device and electronic equipment, reduces the time determining touch-screen frequency of operation, improves the efficiency of processor.
For achieving the above object, embodiments provide a kind of touch-screen driving frequency control method, comprising:
Interference Detection step, carries out Interference Detection with a frequency interval, obtains a testing result in the driving frequency range that touch-screen is supported;
Frequency interval step of updating, when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, returns described Interference Detection step after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First setting steps, when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
Above-mentioned touch-screen driving frequency control method, wherein, also comprises:
First selects step, when there is not first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen in described testing result instruction, judge whether to continue to reduce described frequency interval, obtain judged result, and when described judged result instruction continues to reduce described frequency interval, enter frequency interval step of updating, otherwise enter the second setting steps;
Second setting steps, arranges the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
Above-mentioned touch-screen driving frequency control method, wherein, described first selects in step, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judges no longer to reduce described frequency interval.
Above-mentioned touch-screen driving frequency control method, wherein, in described frequency interval step of updating, the described frequency interval after reduction be before the half of frequency interval.
Above-mentioned touch-screen driving frequency control method, wherein, described Interference Detection step comprises:
Actuation step, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detecting step, performs Interference Detection operation, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects step, when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, enter the first setting steps, be more than or equal to predetermined interference threshold in described interference strength value, enter the 3rd and select step;
3rd selects step, during the frequency do not detected in addition under ongoing frequency interval, enters frequency step of updating, otherwise enters frequency interval step of updating;
Frequency step of updating, current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, return actuation step.
Above-mentioned touch-screen driving frequency control method, wherein, in described result obtaining step, repeatedly Interference Detection is carried out to described current frequency to be detected, obtain multiple described interference strength value, and all interference strength values are when being less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen.
Above-mentioned touch-screen driving frequency control method, wherein, described second selects in step, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue to return actuation step, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then enter the first setting steps, or occur the interference strength value being more than or equal to predetermined interference threshold, enter the 3rd and select step.
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of touch-screen driving frequency control device, comprising:
Interference detection module, carries out Interference Detection in the driving frequency range supported at touch-screen with a frequency interval, obtains a testing result;
Frequency interval update module, for when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, triggers described interference detection module after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First arranges module, for when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
Above-mentioned touch-screen driving frequency control device, wherein, also comprises:
First selects module, for when there is not first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen in described testing result instruction, judge whether to continue to reduce described frequency interval, obtain judged result, and when described judged result instruction continues to reduce described frequency interval, trigger rate interval update module, otherwise triggering second arranges module;
Second arranges module, for arranging the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
Above-mentioned touch-screen driving frequency control device, wherein, described first selects in module, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judges no longer to reduce described frequency interval.
Above-mentioned touch-screen driving frequency control device, wherein, in described frequency interval update module, the described frequency interval after reduction be before the half of frequency interval.
Above-mentioned touch-screen driving frequency control device, wherein, described interference detection module specifically comprises:
Driver module, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detection module, for performing Interference Detection operation, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects module, for when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, trigger first and module is set, be more than or equal to predetermined interference threshold in described interference strength value, trigger the 3rd and select module;
3rd select module, for do not detect in addition under ongoing frequency interval frequency time, trigger rate update module, otherwise trigger rate interval update module;
Frequency update module, for current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, trigger driver module.
Above-mentioned touch-screen driving frequency control device, wherein, in described result acquisition module, repeatedly Interference Detection is carried out to described current frequency to be detected, obtain multiple described interference strength value, and all interference strength values are when being less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen.
Above-mentioned touch-screen driving frequency control device, wherein, described second selects in module, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue trigger driver module, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then trigger first and module is set, or occur the interference strength value being more than or equal to predetermined interference threshold, trigger the 3rd and select module.
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of electronic equipment, comprising a touch-screen, described electronic equipment also comprises above-mentioned arbitrary touch-screen driving frequency control device.
The embodiment of the present invention has at least one in following beneficial effect:
In the touch-screen driving frequency control method of the embodiment of the present invention, device and electronic equipment, only when interference cannot be found to meet the frequency of operation of pre-provisioning request with current frequency interval, just reduce frequency interval to search more accurately, therefore, it is possible to reduce frequency detecting amount, and then reduce the time determining touch-screen frequency of operation, improve the efficiency of processor.
Simultaneously, in the specific embodiment of the invention, only require the frequency of operation finding interference to meet pre-provisioning request, touch-screen can normally be worked, and the frequency that might not need to find interference minimum, therefore further reduce frequency detecting amount, and then reduce the time determining touch-screen frequency of operation, improve the efficiency of processor.
Accompanying drawing explanation
Fig. 1 represents the schematic flow sheet of a kind of touch-screen driving frequency control method of the embodiment of the present invention;
Fig. 2 represents the schematic flow sheet of the another kind of touch-screen driving frequency control method of the embodiment of the present invention;
Fig. 3 represents the schematic flow sheet of another touch-screen driving frequency control method of the embodiment of the present invention;
Fig. 4 represents the structural representation of a kind of touch-screen driving frequency control device of the embodiment of the present invention;
Fig. 5 represents the structural representation of the another kind of touch-screen driving frequency control device of the embodiment of the present invention;
Fig. 6 represents the structural representation of another touch-screen driving frequency control device of the embodiment of the present invention.
Embodiment
In the touch-screen driving frequency control method of the embodiment of the present invention, device and electronic equipment, only when interference cannot be found to meet the frequency of operation of pre-provisioning request with current frequency interval, just reduce frequency interval to search more accurately, therefore, it is possible to reduce frequency detecting amount, and then reduce the time determining touch-screen frequency of operation, improve the efficiency of processor.Simultaneously, in the specific embodiment of the invention, only require the frequency of operation finding interference to meet pre-provisioning request, touch-screen can normally be worked, and the frequency that might not need to find interference minimum, therefore further reduce frequency detecting amount, and then reduce the time determining touch-screen frequency of operation, improve the efficiency of processor.
Embodiment one
For achieving the above object, embodiments provide a kind of touch-screen driving frequency control method, as shown in Figure 1, comprising:
Interference Detection step 101, carries out Interference Detection with a frequency interval, obtains a testing result in the driving frequency range that touch-screen is supported;
Frequency interval step of updating 102, when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, returns described Interference Detection step after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First setting steps 103, when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
The embodiment of the present invention can reduce frequency detecting amount, and then reduces the time determining touch-screen frequency of operation, improves the efficiency of processor, is described as follows.
In the embodiment of the present invention, carry out Interference Detection with a frequency interval, and the result of Interference Detection obtains in this frequency, the interference of other signals to touch-screen drive singal meets pre-provisioning request, and (a common example is the frequency that touch-screen can normally be worked, but do not regard this as a limit), instead of go to obtain the minimum frequency of interference (obtain the minimum frequency of interference and must carry out Interference Detection to all frequencies), therefore it decreases frequency detecting amount when ensureing that touch-screen can normally work, and the minimizing of frequency detecting amount must reduce the time determining touch-screen frequency of operation, and the minimizing of frequency detecting amount decreases the resource of processor for Interference Detection, improve the efficiency of processor.
In the embodiment of the present invention, only when interference cannot be found with current frequency interval to meet the frequency of operation of pre-provisioning request, just reduce frequency interval and search more accurately.Simultaneously because the frequency met certain requirements is found in the requirement of the embodiment of the present invention.Therefore, utilize the method for the embodiment of the present invention can find by larger frequency interval the frequency met the demands to a great extent, Interference Detection is carried out for all frequencies can reduce frequency detecting amount in the mode obtaining frequency of operation therefore relative to prior art, and the minimizing of frequency detecting amount must reduce the time determining touch-screen frequency of operation, and the minimizing of frequency detecting amount decreases the resource of processor for Interference Detection, improve the efficiency of processor.
Embodiment two
The method of the embodiment of the present invention one can be applicable to the scene of the overwhelming majority, but when user is in the electromagnetic environment of very severe, all frequencies now likely in the driving frequency range of touch-screen all exists larger interference.If now unconfined reduction frequency interval goes to carry out Interference Detection, finally or the frequency that touch-screen can normally be worked may cannot be found.
In above-mentioned situation, continue to reduce frequency interval and just become a kind of meaningless behavior, even likely cause the generation of endless loop, in order to avoid the generation of above-mentioned meaningless behavior, as shown in Figure 2, the touch-screen driving frequency control method of the embodiment of the present invention two comprises:
Interference Detection step 101, carries out Interference Detection with a frequency interval, obtains a testing result in the driving frequency range that touch-screen is supported;
First selects step 201, when there is not first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen in described testing result instruction, judge whether to continue to reduce described frequency interval, obtain judged result, and when described judged result instruction continues to reduce described frequency interval, enter frequency interval step of updating 102, otherwise enter the second setting steps 202;
Second setting steps 202, when described judged result instruction no longer reduces described frequency interval, arranges the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
Frequency interval step of updating 102, when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, returns described Interference Detection step 101 after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First setting steps 103, when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
The setting of step is selected by above-mentioned first, make when judging no longer to continue to reduce described frequency interval, the frequency met the demands also is not found even if current, also can carry out in the frequency of Interference Detection directly in all driving frequency ranges, select the frequency that the interference of other signals to touch-screen drive singal is minimum, avoid long frequency of operation select time, also avoid application to be absorbed in endless loop.
In a particular embodiment of the present invention, described first selects in step, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judges no longer to reduce described frequency interval.
And in the specific embodiment of the invention, in described frequency interval step of updating, the described frequency interval after reduction be before the half of frequency interval.
Embodiment three
In the specific embodiment of the invention, first to carry out Interference Detection, in the driving frequency range that touch-screen is supported, carry out Interference Detection with a frequency interval, obtain a testing result.And this Interference Detection can be accomplished in several ways, a kind of mode below with regard to the embodiment of the present invention is described as follows.
As shown in Figure 3, the touch-screen driving frequency control method of the embodiment of the present invention three comprises:
Actuation step 1011, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detecting step 1012, performs Interference Detection operation, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects step 1013, when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, enter step 103, be more than or equal to predetermined interference threshold in described interference strength value, enter the 3rd and select step 1014;
3rd selects step 1014, during the frequency do not detected in addition under ongoing frequency interval, enters frequency step of updating 1015, otherwise enters step 102;
Frequency step of updating 1015, current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, return step 1011;
Frequency interval step of updating 102, when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, returns described actuation step 1011 after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First setting steps 103, when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
Certainly, should be understood that, in above-mentioned step 1014, when the frequency that ongoing frequency interval is not detected, also can enter the step 201 in Fig. 2, no longer continue to describe at this.
In the technical scheme of the invention process three, be first perform driving and Interference Detection to each frequency, then judge that whether current frequency to be detected is the frequency of satisfied pre-provisioning request according to interference detection results, if it is directly export.This mode is not under ongoing frequency interval, complete all drivings and judge after detecting again, therefore, it is possible to find first frequency as early as possible, reduce further frequency detecting amount, and then reduces the time determining touch-screen frequency of operation, improve the efficiency of processor.
In the specific embodiment of the invention, repeated detection is carried out for current frequency to be detected, obtain multiple interference strength value, only when all interference strength values are less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, improve the accuracy that interference judges.
And in order to improve the efficiency of Interference Detection, the condition of carrying out repeated detection for current frequency to be detected is, the interference strength value before obtained is less than predetermined interference threshold, has now just carried out the inspection of Interference Detection, improve the specific aim of Interference Detection, improve the efficiency of Interference Detection.
Namely in the specific embodiment of the invention, described second selects in step, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue to return actuation step, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then enter the first setting steps, or there is the interference strength value being more than or equal to predetermined interference threshold, enter the 3rd and select step.
Embodiment four
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of touch-screen driving frequency control device, as shown in Figure 4, comprising:
Interference detection module, carries out Interference Detection in the driving frequency range supported at touch-screen with a frequency interval, obtains a testing result;
Frequency interval update module, for when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, triggers described interference detection module after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First arranges module, for when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
Embodiment five
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of touch-screen driving frequency control device, as shown in Figure 5, comprising:
Judge module, for when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, judges whether to continue to reduce described frequency interval, obtains judged result;
Trigger module, for when described judged result instruction continues to reduce described frequency interval, triggers described frequency interval update module;
Second setting steps, when described judged result instruction no longer reduces described frequency interval, arranges the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
Above-mentioned touch-screen driving frequency control device, wherein, in described judge module, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judges no longer to reduce described frequency interval.
Above-mentioned touch-screen driving frequency control device, wherein, in described frequency interval update module, the described frequency interval after reduction be before the half of frequency interval.
Embodiment six
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of touch-screen driving frequency control device, as shown in Figure 6, comprising:
Driver module, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detection module, for performing Interference Detection operation, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects module, for when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, trigger first and module is set, be more than or equal to predetermined interference threshold in described interference strength value, trigger the 3rd and select module;
3rd select module, for do not detect in addition under ongoing frequency interval frequency time, trigger rate update module, otherwise trigger rate interval update module;
Frequency update module, for current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, trigger driver module.
Above-mentioned touch-screen driving frequency control device, wherein, in described result acquisition module, repeatedly Interference Detection is carried out to described current frequency to be detected, obtain multiple described interference strength value, and all interference strength values are when being less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen.
Above-mentioned touch-screen driving frequency control device, wherein, described second selects in module, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue trigger driver module, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then trigger first and module is set, or occur the interference strength value being more than or equal to predetermined interference threshold, trigger the 3rd and select module.
In order to realize above-mentioned purpose better, the embodiment of the invention also discloses a kind of electronic equipment, comprising a touch-screen, described electronic equipment also comprises above-mentioned arbitrary touch-screen driving frequency control device.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise the different instruction be stored in not coordination, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, service data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described service data can be collected as individual data collection, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a touch-screen driving frequency control method, is characterized in that, comprising:
Interference Detection step, carries out Interference Detection with a frequency interval, obtains a testing result in the driving frequency range that touch-screen is supported;
Frequency interval step of updating, when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, returns described Interference Detection step after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First setting steps, when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
2. touch-screen driving frequency control method according to claim 1, is characterized in that, also comprise:
First selects step, when there is not first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen in described testing result instruction, judge whether to continue to reduce described frequency interval, obtain judged result, and when described judged result instruction continues to reduce described frequency interval, enter frequency interval step of updating, otherwise enter the second setting steps;
Second setting steps, arranges the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
3. touch-screen driving frequency control method according to claim 2, it is characterized in that, described first selects in step, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judges no longer to reduce described frequency interval.
4. touch-screen driving frequency control method according to claim 1, is characterized in that, in described frequency interval step of updating, the described frequency interval after reduction be before the half of frequency interval.
5. touch-screen driving frequency control method according to claim 1, is characterized in that, described Interference Detection step comprises:
Actuation step, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detecting step, performs Interference Detection operation, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects step, when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, enter the first setting steps, be more than or equal to predetermined interference threshold in described interference strength value, enter the 3rd and select step;
3rd selects step, during the frequency do not detected in addition under ongoing frequency interval, enters frequency step of updating, otherwise enters described frequency interval step of updating;
Frequency step of updating, current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, return described actuation step.
6. touch-screen driving frequency control method according to claim 5, it is characterized in that, described second selects in step, repeatedly Interference Detection is carried out to described current frequency to be detected, obtain multiple described interference strength value, and all interference strength values are when being less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen.
7. touch-screen driving frequency control method according to claim 5, it is characterized in that, described second selects in step, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue to return actuation step, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then enter the first setting steps, or there is the interference strength value being more than or equal to predetermined interference threshold, enter the 3rd and select step.
8. a touch-screen driving frequency control device, is characterized in that, comprising:
Interference detection module, carries out Interference Detection in the driving frequency range supported at touch-screen with a frequency interval, obtains a testing result;
Frequency interval update module, for when described testing result instruction does not exist first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, triggers described interference detection module after reducing described frequency interval; Other signals meet pre-provisioning request in the interference of described first frequency to touch-screen drive singal;
First arranges module, for when described testing result instruction exists first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, arranges the frequency of operation that described first frequency is described touch-screen.
9. touch-screen driving frequency control device according to claim 8, is characterized in that, also comprise:
First selects module, for when there is not first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen in described testing result instruction, judge whether to continue to reduce described frequency interval, obtain judged result, and when described judged result instruction continues to reduce described frequency interval, trigger rate interval update module, otherwise triggering second arranges module;
Second arranges module, for arranging the frequency of operation that second frequency is described touch-screen;
Described second frequency be all driving frequency ranges carry out in the frequency of Interference Detection, other signals are minimum in the interference of described second frequency to touch-screen drive singal.
10. touch-screen driving frequency control device according to claim 9, it is characterized in that, described first selects in module, when current frequency interval is less than preset frequency renewal thresholding or frequency interval update times exceedes preset frequency update times, judge no longer to reduce described frequency interval.
11. touch-screen driving frequency control device according to claim 8, is characterized in that, in described frequency interval update module, the described frequency interval after reduction be before the half of frequency interval.
12. touch-screen driving frequency control device according to claim 8, it is characterized in that, described interference detection module specifically comprises:
Driver module, under ongoing frequency interval, with current frequency drives touch-screen to be detected;
Detection module, for performing Interference Detection, obtains the interference strength value that current frequency to be detected is corresponding;
Second selects module, for when described interference strength value is less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen, trigger first and module is set, be more than or equal to predetermined interference threshold in described interference strength value, trigger the 3rd and select module;
3rd select module, for do not detect in addition under ongoing frequency interval frequency time, trigger rate update module, otherwise trigger rate interval update module;
Frequency update module, for current frequency to be detected is updated to current frequency to be detected and described frequency interval and value, trigger driver module.
13. touch-screen driving frequency control device according to claim 12, it is characterized in that, described second selects in module, repeatedly Interference Detection is carried out to described current frequency to be detected, obtain multiple described interference strength value, and all interference strength values are when being less than predetermined interference threshold, obtain indicating the testing result that there is first frequency with described frequency interval from the frequency sets that described driving frequency range is chosen.
14. touch-screen driving frequency control device according to claim 12, it is characterized in that, described second selects in module, first time Interference Detection operate the interference strength value obtained be less than predetermined interference threshold time, continue to trigger driver module, carry out Interference Detection, until the continuous occurrence number that interference strength value is less than predetermined interference threshold reaches pre-determined number thresholding, then trigger first and module is set, or there is the interference strength value being more than or equal to predetermined interference threshold, trigger the 3rd and select module.
15. 1 kinds of electronic equipments, comprise a touch-screen, it is characterized in that, described electronic equipment also comprises as the touch-screen driving frequency control device in claim 8-14 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603817.2A CN105204684B (en) | 2015-09-21 | 2015-09-21 | Touch-screen driving frequency control method, device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603817.2A CN105204684B (en) | 2015-09-21 | 2015-09-21 | Touch-screen driving frequency control method, device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105204684A true CN105204684A (en) | 2015-12-30 |
| CN105204684B CN105204684B (en) | 2018-05-29 |
Family
ID=54952414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510603817.2A Expired - Fee Related CN105204684B (en) | 2015-09-21 | 2015-09-21 | Touch-screen driving frequency control method, device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105204684B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681875A (en) * | 2017-02-17 | 2017-05-17 | 广州视源电子科技股份有限公司 | Method and system for detecting anti-power-interference capability of touch screen |
| WO2017118130A1 (en) * | 2016-01-05 | 2017-07-13 | 京东方科技集团股份有限公司 | Method and system for setting operating frequency band of touch detection system |
| CN109358769A (en) * | 2018-10-16 | 2019-02-19 | 维沃移动通信有限公司 | A kind of touch screen response triggering method and terminal |
| CN109643184A (en) * | 2016-08-19 | 2019-04-16 | 希迪普公司 | Touch input device |
| CN109672478A (en) * | 2019-01-02 | 2019-04-23 | 合肥京东方光电科技有限公司 | Display device and its anti-interference method, the sequence controller of signal transmission |
| CN110069170A (en) * | 2019-05-13 | 2019-07-30 | 京东方科技集团股份有限公司 | Touch screen report point rate processing method, device, electronic equipment and readable storage medium storing program for executing |
| US10908735B2 (en) | 2016-09-21 | 2021-02-02 | Huawei Technologies Co., Ltd. | Anti-interference method and apparatus for touch panel |
| US11126301B2 (en) | 2016-05-26 | 2021-09-21 | Honor Device Co., Ltd. | Power adapter control method and control apparatus |
| WO2024012499A1 (en) * | 2022-07-14 | 2024-01-18 | 敦泰科技(深圳)有限公司 | Touch screen interference detection method, touch chip, and electronic device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080157893A1 (en) * | 2007-01-03 | 2008-07-03 | Apple Inc. | Noise reduction within an electronic device using automatic frequency modulation |
| US20080309628A1 (en) * | 2007-06-13 | 2008-12-18 | Apple Inc. | Detection of low noise frequencies for multiple frequency sensor panel stimulation |
| CN102662540A (en) * | 2012-03-23 | 2012-09-12 | 旭曜科技股份有限公司 | Driving frequency selection method for capacitive multipoint touch system |
| CN102830837A (en) * | 2012-07-19 | 2012-12-19 | 深圳市汇顶科技有限公司 | Noise suppression method and system for touch detection, and touch terminal |
| CN102880343A (en) * | 2012-07-06 | 2013-01-16 | 友达光电股份有限公司 | Noise frequency detection method and touch device |
| CN102999212A (en) * | 2011-09-16 | 2013-03-27 | 宏达国际电子股份有限公司 | Electronic device |
| CN103389842A (en) * | 2012-05-07 | 2013-11-13 | 美法思株式会社 | Touch sensor chip, touch sensing apparatus including the same, and method of controlling noise of touch panel |
-
2015
- 2015-09-21 CN CN201510603817.2A patent/CN105204684B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080157893A1 (en) * | 2007-01-03 | 2008-07-03 | Apple Inc. | Noise reduction within an electronic device using automatic frequency modulation |
| US20080309628A1 (en) * | 2007-06-13 | 2008-12-18 | Apple Inc. | Detection of low noise frequencies for multiple frequency sensor panel stimulation |
| CN102999212A (en) * | 2011-09-16 | 2013-03-27 | 宏达国际电子股份有限公司 | Electronic device |
| CN102662540A (en) * | 2012-03-23 | 2012-09-12 | 旭曜科技股份有限公司 | Driving frequency selection method for capacitive multipoint touch system |
| CN103389842A (en) * | 2012-05-07 | 2013-11-13 | 美法思株式会社 | Touch sensor chip, touch sensing apparatus including the same, and method of controlling noise of touch panel |
| CN102880343A (en) * | 2012-07-06 | 2013-01-16 | 友达光电股份有限公司 | Noise frequency detection method and touch device |
| CN102830837A (en) * | 2012-07-19 | 2012-12-19 | 深圳市汇顶科技有限公司 | Noise suppression method and system for touch detection, and touch terminal |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017118130A1 (en) * | 2016-01-05 | 2017-07-13 | 京东方科技集团股份有限公司 | Method and system for setting operating frequency band of touch detection system |
| US11126301B2 (en) | 2016-05-26 | 2021-09-21 | Honor Device Co., Ltd. | Power adapter control method and control apparatus |
| CN109643184A (en) * | 2016-08-19 | 2019-04-16 | 希迪普公司 | Touch input device |
| US10908735B2 (en) | 2016-09-21 | 2021-02-02 | Huawei Technologies Co., Ltd. | Anti-interference method and apparatus for touch panel |
| CN106681875A (en) * | 2017-02-17 | 2017-05-17 | 广州视源电子科技股份有限公司 | Method and system for detecting anti-power-interference capability of touch screen |
| CN106681875B (en) * | 2017-02-17 | 2020-09-01 | 广州视源电子科技股份有限公司 | Method and system for detecting power interference resistance of touch screen |
| CN109358769A (en) * | 2018-10-16 | 2019-02-19 | 维沃移动通信有限公司 | A kind of touch screen response triggering method and terminal |
| CN109358769B (en) * | 2018-10-16 | 2021-10-29 | 维沃移动通信有限公司 | Touch screen response triggering method and terminal |
| CN109672478A (en) * | 2019-01-02 | 2019-04-23 | 合肥京东方光电科技有限公司 | Display device and its anti-interference method, the sequence controller of signal transmission |
| CN109672478B (en) * | 2019-01-02 | 2021-03-02 | 合肥京东方光电科技有限公司 | Display device, signal transmission anti-interference method thereof and time sequence controller |
| CN110069170A (en) * | 2019-05-13 | 2019-07-30 | 京东方科技集团股份有限公司 | Touch screen report point rate processing method, device, electronic equipment and readable storage medium storing program for executing |
| WO2024012499A1 (en) * | 2022-07-14 | 2024-01-18 | 敦泰科技(深圳)有限公司 | Touch screen interference detection method, touch chip, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105204684B (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105204684A (en) | Touch screen driving frequency control method and device, and electronic equipment | |
| CN105740078A (en) | Memory management method and apparatus, and terminal | |
| CN106055369A (en) | Starting method for mobile terminal applications and mobile terminal | |
| CN105898705A (en) | Method for controlling scanning frequency of wireless local area network and mobile terminal | |
| CN106155480A (en) | The interface display method of a kind of application program and mobile terminal | |
| CN103092342A (en) | Processing method and device of mobile terminal | |
| CN103928038A (en) | Electronic equipment test recording and playing back method | |
| CN104765524A (en) | Application switching method and device | |
| CN107832190A (en) | A kind of power consumption abnormal diagnostic method, mobile terminal and storage medium | |
| CN107426424B (en) | A kind of charge/discharge control method and mobile terminal | |
| CN109117039B (en) | Display method and terminal equipment | |
| CN103927042B (en) | Touch point positioning method and device and electronic device | |
| CN102207812A (en) | Touch electronic device and multi-window management method thereof | |
| CN103559081A (en) | Recommending method for mobile terminal working modes, device and mobile terminal | |
| CN105068664A (en) | Interactive system and interaction control method | |
| CN105243345A (en) | Accidental touch preventing method for electronic equipment and electronic equipment | |
| CN105677099A (en) | Method and system for setting working frequency range of touch detection system | |
| CN103034575A (en) | Crash analysis method and device | |
| CN104714637A (en) | Polygonal gesture detection and interaction method, device and computer program product | |
| CN106155699A (en) | The management method of a kind of background process and mobile terminal | |
| CN106354411A (en) | Interface startup method and mobile terminal | |
| CN105446871A (en) | Resource leakage detection method, apparatus and system | |
| CN105740122A (en) | Method and system for monitoring mobile phone memory leak | |
| CN106201175A (en) | The location regulation method of application icon, device and terminal | |
| CN104679391A (en) | Icon display method and device of smart watch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |