CN109582506B - Touch screen failure recovery method and device, host equipment and touch system - Google Patents
Touch screen failure recovery method and device, host equipment and touch system Download PDFInfo
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- CN109582506B CN109582506B CN201811593052.9A CN201811593052A CN109582506B CN 109582506 B CN109582506 B CN 109582506B CN 201811593052 A CN201811593052 A CN 201811593052A CN 109582506 B CN109582506 B CN 109582506B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1438—Restarting or rejuvenating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
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Abstract
The application discloses a method for recovering failure of a touch screen, which comprises the following steps: detecting whether an interface connected with a touch panel of a touch screen has a communication fault; if so, controlling the interface connected with the touch panel to reset so as to restart the touch panel. The problem of touch failure is solved by restarting the touch panel of the touch screen, the display panel of the touch screen is not required to be restarted, the display panel can still work normally, system operation and display of the touch screen are not influenced, loss of working data of the touch screen is effectively avoided, application programs running in host equipment can not be influenced, normal and continuous operation of user services is guaranteed, and processing efficiency and user experience are improved. The application also provides a touch system, a master control device and a recovery device for failure of the touch screen, and the beneficial effects are also achieved.
Description
Technical Field
The application relates to the technical field of human-computer interaction, in particular to a method and a device for recovering failure of a touch screen, and also particularly relates to a touch system and host equipment thereof.
Background
With the development of electronic technology and information technology, touch screens are widely applied to the work and life of people, and especially play a key role in the application of medical equipment. However, due to static electricity or electromagnetic interference, especially in severe environments such as cold and dry environments, the touch screen is prone to touch failure, which results in human-computer interaction interruption. For the processing of the situation, in the prior art, the whole touch screen or even the control host connected with the touch screen is powered off and restarted, so that the display of the application program originally running in the control host in the touch screen must be interrupted, the original working data of the touch screen or even the control host is lost, and a user needs to wait for the restart time of the machine, which causes great inconvenience. In view of the above, it is an urgent need to provide a method for solving the above technical problems.
Disclosure of Invention
An object of the application is to provide a touch system and a master control device thereof, and a method and a device for recovering failure of a touch screen, so that loss of working data of the touch screen is effectively avoided when the problem of failure of the touch screen is solved, normal and sustainable operation of work is ensured, and further processing efficiency and user experience are improved.
In order to solve the above technical problem, in a first aspect, the present application discloses a method for recovering a touch screen failure, including:
detecting whether an interface connected with a touch panel of the touch screen has a communication fault;
and if so, controlling the interface connected with the touch panel to reset so as to restart the touch panel.
Optionally, the communication failure includes a communication failure caused by electrostatic or electromagnetic interference or an influence of a signal error on the touch panel.
Optionally, the detecting whether a communication failure occurs in an interface connected to a touch panel of the touch screen includes:
acquiring information of external equipment;
judging whether the acquired external equipment information comprises the equipment information of the touch screen;
and if not, judging that the interface connected with the touch panel has a communication fault.
Optionally, the acquiring the information of the external device includes:
polling data files of all external devices on the control bus;
and acquiring the information of the external equipment.
Optionally, the interface connected to the touch panel is a USB interface, and the external device is an HID device.
Optionally, after the controlling the interface connected to the touch panel is reset, the method further includes:
updating and detecting whether the interface connected with the touch panel is in communication failure;
if yes, continuing to execute the step of controlling the interface connected with the touch panel to reset;
and if not, updating the communication connection configuration of the current application program and the touch panel so as to recover the call of the current application program to the touch panel.
Optionally, the updating the communication connection configuration of the current application program and the touch panel includes:
closing the call function to the touch panel to close the failed communication connection;
opening a call function to the touch panel to reestablish an active communication connection.
In a second aspect, the present application further discloses a touch screen failure recovery device, comprising:
the detection module is used for detecting whether an interface connected with a touch panel of the touch screen has a communication fault;
and the resetting module is used for controlling the interface to reset after judging that the interface connected with the touch panel has communication faults so as to restart the touch panel.
Optionally, a configuration module is further included;
the detection module is further configured to: after the reset module controls the interface to reset, updating and detecting whether the interface has communication failure; if so, the reset module is continuously used for controlling the interface to reset; and if not, the configuration module is used for updating the communication connection configuration between the current application program and the touch panel so as to recover the call of the current application program to the touch panel.
In a third aspect, the present application further discloses a host device, including:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of any one of the above-described touchscreen malfunction recovery methods.
In a fourth aspect, the present application further discloses a touch system, which includes a touch screen and the host device as described above; the processor is connected with the touch panel of the touch screen through the interface, and the processor is connected with the display panel of the touch screen through the display control unit.
The method for recovering the touch screen failure comprises the following steps: detecting whether an interface connected with a touch panel of the touch screen has a communication fault; and if so, controlling the interface connected with the touch panel to reset so as to restart the touch panel. Therefore, the method for recovering the touch screen failure provided by the application solves the problem of touch failure by restarting the touch panel of the touch screen. The display panel of the touch screen does not need to be restarted, so that the display panel can still normally work, namely the system operation and display of the touch screen cannot be influenced, the loss of the working data of the touch screen is effectively avoided, and the application program running in the host equipment cannot be influenced, so that the normal and sustainable operation of user services is guaranteed, and the processing efficiency and the user experience are improved. The touch system, the master control device and the touch screen failure recovery device can achieve the touch screen failure recovery method and also have the beneficial effects.
Drawings
In order to more clearly illustrate the technical solutions in the prior art and the embodiments of the present application, the drawings that are needed to be used in the description of the prior art and the embodiments of the present application will be briefly described below. Of course, the following description of the drawings related to the embodiments of the present application is only a part of the embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the provided drawings without any creative effort, and the obtained other drawings also belong to the protection scope of the present application.
FIG. 1 is a flow diagram of a method for recovering from a touch screen failure in one embodiment;
FIG. 2 is a flow diagram of a method for recovering from a touch screen failure in accordance with the present application in another embodiment;
FIG. 3 is a block diagram of a touch screen failure recovery apparatus in one embodiment;
fig. 4 is a block diagram of a touch screen failure recovery apparatus provided in the present application, in another embodiment.
Detailed Description
The core of the application lies in providing a touch system and a master control device thereof, and a method and a device for recovering touch screen failure, so that the loss of touch screen data is effectively avoided when the problem of touch screen failure is solved, the normal and sustainable operation of work is ensured, and the processing efficiency and the user experience are further improved.
In order to more clearly and completely describe the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.
The embodiment of the application discloses a method for recovering touch screen failure, which is shown in fig. 1 and mainly comprises the following steps:
s11: detecting whether an interface connected with a touch panel of a touch screen has a communication fault; if yes, the process proceeds to S12.
S12: and controlling the interface connected with the touch panel to reset so as to restart the touch panel.
Specifically, a touch screen generally includes a display panel having an interface display function and a touch panel having a touch input function. The display panel and the touch panel are respectively provided with an independent interface, wherein the interface of the display panel is used for obtaining power for the display panel and transmitting display data, and the interface of the touch panel is used for obtaining power for the touch panel and transmitting touch data. Generally, the Interface of the touch panel may be specifically a USB Interface, conforms to an HID (Human Interface Device) protocol, and supports hot plug.
Because the display panel and the touch panel are actually supplied with power and transmit data independently, the method for recovering the touch screen failure provided by the application does not restart the whole touch screen or even the host device after detecting that the communication fault occurs on the interface connected with the touch panel as in the prior art, but only restarts the touch panel by resetting the interface connected with the touch panel, thereby eliminating the influence of static electricity and the like on the touch panel. Because the touch panel is only used for touch input and does not affect the display panel, the normal display and operation of the touch screen are not affected by the restart of the touch panel, and the running application program in the host device is not affected.
When the communication fault detection is carried out on the interface connected with the touch panel, the communication fault comprises the communication fault caused by the influence of static electricity or electromagnetic interference or signal errors on the touch panel. When the interface connected with the touch panel is controlled to reset, a voltage reset mode can be specifically adopted, so that the power-off restart of the touch panel can be realized.
According to the method for recovering the failure of the touch screen, whether the communication fault of an interface connected with a touch panel of the touch screen occurs is detected; if so, controlling the interface connected with the touch panel to reset so as to restart the touch panel. Therefore, the method for recovering the touch screen failure provided by the application solves the problem of touch failure by restarting the touch panel of the touch screen. The display panel of the touch screen does not need to be restarted, so that the display panel can still normally work, namely the system operation and display of the touch screen cannot be influenced, the loss of data of the touch screen is effectively avoided, and the application program running in the host equipment cannot be influenced, so that the normal and sustainable operation of user services is guaranteed, and the processing efficiency and the user experience are improved.
Based on the above, as a preferred embodiment, the method for recovering a touch screen failure, detecting whether a communication failure occurs in an interface connected to a touch panel of a touch screen includes:
acquiring information of external equipment; judging whether the acquired external equipment information comprises equipment information of the touch screen; if not, the interface communication fault connected with the touch panel is judged.
Specifically, when the communication function of the interface of the touch panel is normal, the touch panel should be recognized by the system as an external device as an interactive device conforming to the HID specification. In contrast, if the external device identified by the system does not include the touch panel, it may indicate that a communication failure occurs in the interface connected to the touch panel.
The device information of the touch screen may specifically include, but is not limited to, a manufacturer identifier, a product identifier, and the product identifier may specifically include a product ID and/or a product model.
Of course, those skilled in the art may also use other methods to detect the interface communication fault, for example, for some devices, a status register corresponding to the interface is further provided to update and record the communication status of the interface, and at this time, the corresponding status register may be directly queried to perform the determination.
In the foregoing, as a specific embodiment, the acquiring the external device information includes:
polling data files of all external devices on the control bus; and acquiring information of the external equipment.
Specifically, the control bus is a software control bus, such as an HID control bus (i.e., a software control bus conforming to the HID protocol). And traversing and reading the data files of all the external equipment on the bus, and acquiring the information of each external equipment so as to search whether the equipment information of the touch screen is included.
As a specific embodiment, the interface connected to the touch panel is a USB interface, and the external device is an HID device.
In particular, the touch panel generally adopts a USB interface, and the USB interface conforms to the HID specification, so the touch screen is used for human-computer interaction as an HID device. In this embodiment, the HID control bus may be specifically utilized to obtain the device information of all HID external devices, so as to find out whether there is the device information of the touch screen.
On the basis of the above, as a preferred embodiment, the method for recovering touch screen failure further includes, after controlling the interface connected to the touch panel to reset:
updating and detecting whether an interface connected with the touch panel has a communication fault;
if yes, continuing to execute the step of controlling the interface connected with the touch panel to reset;
and if not, updating the communication connection configuration of the current application program and the touch panel so as to recover the call of the current application program to the touch panel.
Specifically, in this embodiment, after the touch panel is restarted, it may be determined again whether the interface connected to the touch panel has a communication failure, so as to further confirm whether the problem of the touch failure is solved. If not, the touch panel can be reset and restarted again; if the resolution has been resolved, then the current application's call to the touch panel may be further restored at this point.
The current application is the application running in the host device when the touch screen has a touch failure problem. After the touch panel is restarted, the original communication connection between the current application program and the touch panel is already failed, and needs to be reestablished, so that the current application program can continue to call the touch panel and react to the touch data from the touch panel.
Wherein, the updating the communication connection configuration between the current application program and the touch panel comprises:
closing the call function to the touch panel to close the failed communication connection;
a call function to the touch panel is turned on to reestablish an active communication connection.
Referring now to fig. 2, fig. 2 is a flow chart of a method for recovering from a touch screen failure in another embodiment of the present application.
S21: and polling the data files of all the external equipment on the control bus to acquire the information of the external equipment.
S22: judging whether the acquired external equipment information comprises equipment information of the touch screen; if not, the process proceeds to S23.
S23: and controlling the interface connected with the touch panel to reset so as to restart the touch panel.
S24: and polling the data files of all the external equipment on the control bus to acquire the updated information of the external equipment.
S25: judging whether the updated external equipment information comprises equipment information of the touch screen; if yes, go to S26; if not, the process proceeds to S23.
S26: closing the call function to the touch panel to close the failed communication connection; proceed to S27.
S27: a call function to the touch panel is turned on to reestablish an active communication connection.
The following describes a touch screen failure recovery apparatus provided in the present application.
Referring to fig. 3, fig. 3 is a block diagram illustrating a touch screen failure recovery apparatus according to an embodiment of the present invention, including:
the detection module 31 is configured to detect whether a communication fault occurs in an interface connected to a touch panel of the touch screen;
and the resetting module 32 is used for controlling the interface to reset so as to restart the touch panel after judging that the interface connected with the touch panel has communication failure.
Therefore, the recovery device for touch screen failure provided by the application solves the problem of touch failure by restarting the touch panel of the touch screen. The display panel of the touch screen does not need to be restarted, so that the display panel can still normally work, namely the system operation and display of the touch screen cannot be influenced, the loss of the working data of the touch screen is effectively avoided, and the application program running in the host equipment cannot be influenced, so that the normal and sustainable operation of user services is guaranteed, and the processing efficiency and the user experience are improved.
Based on the above, the present application provides a touch screen failure recovery apparatus, wherein the communication failure includes a communication failure caused by electrostatic or electromagnetic interference or an influence of a signal error on the touch panel.
In a preferred embodiment, in the apparatus for recovering from a touch screen failure, the detection module 31 specifically includes:
the acquisition unit is used for acquiring the information of the external equipment;
the judging unit is used for judging whether the acquired external equipment information comprises equipment information of the touch screen; if not, the interface communication fault connected with the touch panel is judged.
As a preferred embodiment, the obtaining unit is specifically configured to: polling data files of all external devices on the control bus; and acquiring information of the external equipment.
On the basis of the above, as a preferred embodiment, in the recovery apparatus for touch screen failure provided by the present application, the interface connected to the touch panel is a USB interface, and the external device is an HID device.
Referring to fig. 4, fig. 4 is a block diagram illustrating a touch screen failure recovery apparatus according to another embodiment of the present invention.
As shown in fig. 4, based on the above, as a preferred embodiment, the touch screen failure recovery apparatus provided by the present application further includes a configuration module 33;
the detection module 31 is further configured to: after the reset module 32 controls the interface connected with the touch panel to reset, updating and detecting whether the interface connected with the touch panel has a communication fault; if yes, the reset module 32 continues to be used for controlling the interface connected with the touch panel to reset; if not, the configuration module 33 is configured to update the communication connection configuration between the current application program and the touch panel, so as to recover the call of the current application program to the touch panel.
The configuration module 33 is specifically configured to: closing the call function to the touch panel to close the failed communication connection; a call function to the touch panel is turned on to reestablish an active communication connection.
Further, the present application also discloses a host device, including:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of any one of the above-described touchscreen malfunction recovery methods.
Further, the application also discloses a touch system, which comprises a touch screen and the host device; the processor is connected with the touch panel of the touch screen through the interface, and the processor is connected with the display panel of the touch screen through the display control unit.
The specific embodiments of the apparatus for recovering from touch screen failure, the host device, and the touch system provided in the present application and the method for recovering from touch screen failure described above may be referred to correspondingly, and are not described herein again.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further noted that, throughout this document, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, 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 identical elements in a process, method, article, or apparatus that comprises the element.
The technical solutions provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall into the protection scope of the present application.
Claims (10)
1. A method for recovering from a touch screen failure, comprising:
detecting whether an interface connected with a touch panel of the touch screen has a communication fault; the display panel and the touch panel of the touch screen are respectively provided with an independent interface;
if so, controlling the interface connected with the touch panel to reset so as to restart the touch panel; the interface connected with the display panel is not required to be controlled to reset;
wherein the detecting whether a communication failure occurs at an interface connected to a touch panel of the touch screen includes:
acquiring information of external equipment;
judging whether the acquired external equipment information comprises the equipment information of the touch screen;
and if not, judging that the interface connected with the touch panel has a communication fault.
2. The method of recovering from touch screen failure of claim 1, wherein the communication failure comprises a communication failure caused by electrostatic or electromagnetic interference or the effect of signal errors on the touch panel.
3. The method for recovering touch screen malfunction according to claim 2, wherein the acquiring external device information comprises:
polling data files of all external devices on the control bus;
and acquiring the information of the external equipment.
4. The method for recovering from a touch screen failure according to claim 3, wherein the interface connected to the touch panel is a USB interface, and the external device is an HID device.
5. The method for recovering touch screen malfunction according to any one of claims 1 to 4, further comprising, after the controlling the interface connected to the touch panel is reset:
updating and detecting whether the interface connected with the touch panel is in communication failure;
if yes, continuing to execute the step of controlling the interface connected with the touch panel to reset;
and if not, updating the communication connection configuration of the current application program and the touch panel so as to recover the call of the current application program to the touch panel.
6. The method of recovering from a touch screen malfunction according to claim 5, wherein said updating the communication connection configuration of the current application program with the touch panel comprises:
closing the call function to the touch panel to close the failed communication connection;
opening a call function to the touch panel to reestablish an active communication connection.
7. A touchscreen malfunction recovery device, comprising:
the detection module is used for detecting whether an interface connected with a touch panel of the touch screen has a communication fault; the display panel and the touch panel of the touch screen are respectively provided with an independent interface;
the reset module is used for controlling the interface to reset so as to restart the touch panel after judging that the interface connected with the touch panel has communication faults; the interface connected with the display panel is not required to be controlled to reset;
wherein, the detection module is specifically configured to:
acquiring information of external equipment; judging whether the acquired external equipment information comprises the equipment information of the touch screen; and if not, judging that the interface connected with the touch panel has a communication fault.
8. The touchscreen malfunction recovery device of claim 7, further comprising a configuration module;
the detection module is further configured to: after the reset module controls the interface to reset, updating and detecting whether the interface has communication failure; if so, the reset module is continuously used for controlling the interface to reset; and if not, the configuration module is used for updating the communication connection configuration between the current application program and the touch panel so as to recover the call of the current application program to the touch panel.
9. A host device, comprising:
a memory for storing a computer program;
a processor for executing the computer program to carry out the steps of the method for recovering from a touchscreen malfunction as claimed in any one of claims 1 to 6.
10. A touch system comprising a touch screen and the host device of claim 9; the processor is connected with the touch panel of the touch screen through the interface, and the processor is connected with the display panel of the touch screen through the display control unit.
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| CN201811593052.9A CN109582506B (en) | 2018-12-25 | 2018-12-25 | Touch screen failure recovery method and device, host equipment and touch system |
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| CN201811593052.9A CN109582506B (en) | 2018-12-25 | 2018-12-25 | Touch screen failure recovery method and device, host equipment and touch system |
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| CN112437335B (en) * | 2020-11-11 | 2023-01-24 | 海信视像科技股份有限公司 | Display device and external device connection processing method thereof |
| CN113110758B (en) * | 2021-04-19 | 2023-01-20 | 惠州Tcl云创科技有限公司 | Method and system for processing touch failure of touch screen during startup and intelligent terminal |
| CN114435277A (en) * | 2022-02-21 | 2022-05-06 | 重庆长安汽车股份有限公司 | Fault positioning method and system for vehicle-mounted display screen and vehicle |
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