CN111858209A - Detection method, electronic device and storage medium - Google Patents
Detection method, electronic device and storage medium Download PDFInfo
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- CN111858209A CN111858209A CN202010633720.7A CN202010633720A CN111858209A CN 111858209 A CN111858209 A CN 111858209A CN 202010633720 A CN202010633720 A CN 202010633720A CN 111858209 A CN111858209 A CN 111858209A
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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
- G06F11/2221—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 input/output devices or peripheral units
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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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0733—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a data processing system embedded in an image processing device, e.g. printer, facsimile, scanner
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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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
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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
- G06F11/2273—Test methods
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Abstract
The embodiment of the invention relates to the field of display, and discloses a detection method, electronic equipment and a storage medium. In the invention, whether the display driver is abnormal or not is detected; and if the display driver is abnormal, sending a feedback signal representing the abnormality to a microcontroller connected with the display driver, so that the microcontroller can repair the display driver according to the feedback signal representing the abnormality. Whether this application detects its own through the display driver and appears unusually, after the display driver detects oneself and appears unusually, will characterize unusual feedback signal and send to microcontroller for microcontroller can directly acquire the abnormal information of display driver, and microcontroller can acquire the abnormal information of display driver more in time, and in time restores the display driver.
Description
Technical Field
The embodiment of the invention relates to the field of display, in particular to a detection method, electronic equipment and a storage medium.
Background
At present, in the field of display, in order to avoid the situation that a display screen is lost in display, such as a screen splash and a screen blackness, in the display process of the display screen, a common practice in the prior art is to obtain a state parameter of a display driver after a microcontroller sends a detection instruction to the display driver of the display at regular time, and when the state parameter of the display driver detected by the microcontroller is abnormal, it is determined that the display driver is abnormal, that is, the display is lost.
The inventor finds that at least the following problems exist in the prior art: after the state parameters of the display driver are transmitted to the microcontroller, the microcontroller also needs to judge whether the state parameters of the display driver are abnormal or not, so as to judge whether the display driver is abnormal or not, and then abnormal information of the display driver can be obtained, which causes that the speed of the microcontroller acquiring the abnormal information of the display driver is slow, and the display driver cannot be repaired in time.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a detection method, an electronic device, and a storage medium, so that a microcontroller can obtain abnormal information of a display driver more timely and repair the display driver timely.
To solve the above technical problem, an embodiment of the present invention provides a detection method applied to a display driver; the detection method comprises the following steps: detecting whether the display driver is abnormal; and if the display driver is abnormal, sending a feedback signal representing the abnormality to a microcontroller connected with the display driver, so that the microcontroller can repair the display driver according to the feedback signal representing the abnormality.
The embodiment of the invention also provides a detection method, which comprises the following steps: applied to a microcontroller; the detection method comprises the following steps: receiving a feedback signal which is connected with the microcontroller and is sent by the display driver and used for representing abnormity; and repairing the display driver according to the feedback signal representing the abnormity.
An embodiment of the present invention further provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the detection method described above.
Embodiments of the present invention also provide a computer-readable storage medium storing a computer program, which when executed by a processor implements the detection method described above.
Compared with the prior art, the display driver detects whether the display driver is abnormal or not, and when the display driver detects that the display driver is abnormal, the feedback signal representing the abnormality is sent to the microcontroller, so that the microcontroller can directly acquire the abnormal information of the display driver, and the microcontroller can acquire the abnormal information of the display driver more timely and repair the display driver timely.
In addition, the detecting whether the display driver is abnormal includes: detecting the value of the state identifier of the display driver, and determining whether the display driver is abnormal or not according to the value of the state identifier; and the state identification has different values when the state of the display driver is normal or abnormal. Whether the display driver is abnormal or not is judged according to the value of the state identifier of the display driver, and the pressure for judging the abnormality by the display driver can be reduced.
In addition, the value of the status flag is the value of a register within the display driver.
In addition, the first end of the microcontroller is connected to the first end of the display driver through an image processing chip to form a first path; the second end of the microcontroller is directly connected to the second end of the display driver to form a second path; the sending of a feedback signal indicative of an anomaly to the microcontroller comprises: sending the feedback signal indicative of the anomaly to the microcontroller through the second path. The display driver detects the abnormal condition of the display driver, when the display driver detects that the display driver is abnormal, the feedback signal representing the abnormality can be directly sent to the microcontroller through the second channel, so that the abnormal feedback signal can be detected without passing through the image processing chip, and the detection method of the application gets rid of the interference of the image processing chip on the detection process of the display driver.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic flow chart of a detection method according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a detection system corresponding to a detection method according to a second embodiment of the present invention;
FIG. 3 is a schematic flow chart of a detection method according to a second embodiment of the present invention;
FIG. 4 is a schematic flow chart of a detection method according to a third embodiment of the present invention;
FIG. 5 is a schematic flow chart of a detection method according to a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a fifth embodiment of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
A first embodiment of the present invention relates to a detection method, and a specific flow is shown in fig. 1, which includes the following steps:
Specifically, the detection system corresponding to the detection method of the present embodiment includes a display driver and a microcontroller, wherein the main execution body of the present embodiment is the display driver.
In practical application, the display driver can periodically detect whether the display driver is abnormal or not, and simultaneously, a feedback signal is sent to the microcontroller during each detection; when the display driver detects that the display driver is normal, the display driver sends a feedback signal representing normal to the microcontroller, and when the display driver detects that the display driver is abnormal, the display driver sends a feedback signal representing abnormal to the microcontroller.
And 102, if the display driver is abnormal, sending a feedback signal representing the abnormality to a microcontroller connected with the display driver, so that the microcontroller can repair the display driver according to the feedback signal representing the abnormality.
Specifically, when the display driver detects that the display driver is abnormal, the display driver sends a feedback signal representing the abnormality to the microcontroller, and after the microcontroller receives the feedback signal representing the abnormality, the microcontroller receives a signal indicating that the display driver operates abnormally, so that the microcontroller starts a repair program.
In practical application, the display driver periodically sends a feedback signal to the microcontroller; when the display driver detects that the display driver is normal, the display driver sends a feedback signal representing normal to the microcontroller, and the microcontroller does not start a repair program after receiving the feedback signal representing normal; when the display driver detects that the display driver is abnormal, the display driver changes the signal intensity of the feedback signal, namely the feedback signal represents abnormal at the moment, and sends the feedback signal representing the abnormality to the microcontroller, so that the microcontroller can judge whether the feedback signal is abnormal or not according to the signal intensity of the feedback signal, and after the microcontroller determines that the received feedback signal represents the abnormal feedback signal, the microcontroller starts a repair program to repair the display driver.
In the conventional detection method used in the prior art, after a detection instruction is sent to a display driver by a microcontroller, a state parameter of the display driver is acquired, the microcontroller judges whether the parameter of the display driver is abnormal, and when the microcontroller judges that the state parameter of the display driver is abnormal, the abnormal state of the display driver is indicated. After the state parameters of the display driver are transmitted to the microcontroller, the microcontroller also needs to determine whether the display driver is abnormal or not to obtain the abnormal information of the display driver, which causes the speed of the microcontroller acquiring the abnormal information of the display driver to be slow. Therefore, in this embodiment, whether the display driver itself is abnormal is detected by the display driver itself, and after the display driver detects that the display driver itself is abnormal, the feedback signal representing the abnormality is sent to the microcontroller, so that the microcontroller can directly acquire the abnormal information of the display driver.
In one example, detecting whether an abnormality occurs in a display driver includes: detecting the value of the state identifier of the display driver, and determining whether the display driver is abnormal or not according to the value of the state identifier; wherein, the value of the state mark is different when the state of the display driver is normal or abnormal. Specifically, a state identifier exists inside the display driver, and the value of the state identifier can be determined according to the running state of the display driver, and when the display driver is abnormal, the value of the state identifier can be different from the value of the state identifier in normal state; therefore, the present embodiment determines whether the display driver is abnormal or not by the value of the status flag of the display driver, and can reduce the pressure determined by the display driver.
In one example, the value of the state indicator is the value of a register within the display driver. Specifically, a register exists in the display driver, the value of the register changes according to the operating state of the display driver, for example, when the operating state of the display driver is normal, the value of the register is a fixed value a, and when the operating state of the display driver is abnormal, the value of the register is an uncertain value B, where a is not equal to B, that is, when the value of the current register is different from the fixed value a, the operating state of the display driver is abnormal, and the display driver sends a feedback signal representing the abnormality to the microcontroller. In other embodiments, whether the display driver is abnormal may be determined by the value of other status flags of the display driver.
A second embodiment of the present invention relates to a detection method. The second embodiment is substantially the same as the first embodiment, with the main differences being: in a second embodiment of the invention, sending a feedback signal indicative of an anomaly to a microcontroller comprises: a feedback signal indicative of the anomaly is sent to the microcontroller over the second path. In addition, those skilled in the art can understand that the details of the first embodiment are still valid in this embodiment, and are not repeated here to avoid repetition.
A schematic structural diagram of a detection system corresponding to the detection method of this embodiment is shown in fig. 2, where the detection system includes a microcontroller 201, a display driver 202, and an image processing chip 203, a first end a of the microcontroller 201 is connected to a first end b of the display driver 202 through the image processing chip 203 to form a first path; the second terminal d of the microcontroller 201 is directly connected to the second terminal c of the display driver 202, forming a second path.
The schematic flow chart of the detection method of the embodiment is shown in fig. 3, and specifically includes the following steps:
in step 301, it is detected whether an abnormality occurs in the display driver 202.
In step 302, if the display driver 202 is abnormal, a feedback signal indicating the abnormality is sent to the microcontroller 201 through the second channel.
In the prior art, there is a conventional detection method, which obtains a state parameter of a display driver by a detection instruction sent by a microcontroller to the display driver, and realizes that the microcontroller detects the display driver, wherein the detection instruction sent by the microcontroller is sent by an MIPI (Mobile Industry Processor Interface); in the prior art, in order to improve the display effect of the display, an image processing chip is disposed between the microcontroller and the display driver, however, as known to those skilled in the art, a signal sent through the MIPI is intercepted by the image processing chip, so that a detection instruction sent by the microcontroller to the display driver is intercepted by the image processing chip, and in this application scenario, the display cannot be effectively checked by using a conventional detection method.
Therefore, in this embodiment, the display driver 202 detects its own abnormal condition, and when the display driver 202 detects its own abnormality, the feedback signal representing the abnormality can be directly sent to the microcontroller 201 through the second channel, so that the abnormal feedback signal can be detected without passing through the image processing chip 203. In addition, after the microcontroller 201 receives the abnormal feedback signal, the display driver 202 is repaired, and the repair process does not need to be sent by the MIPI, so that the repair process is not blocked by the image processing chip 203, and the detection method of the application gets rid of the interference of the image processing chip 203 on the detection process of the display driver 202.
A third embodiment of the present invention relates to a detection method, and a specific flow is shown in fig. 4, which includes the following steps:
Specifically, the detection system corresponding to the detection method of the present embodiment includes a display driver and a microcontroller, wherein the execution main body of the present embodiment is the microcontroller.
It should be understood that this embodiment is a method embodiment corresponding to the first embodiment, and the embodiment can be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
In one example, after receiving the abnormal feedback signal sent by the display driver, the method includes: detecting a signal strength of a feedback signal indicative of an anomaly; wherein the signal strength of the feedback signal that characterizes the anomaly is different from the signal strength of the feedback signal that characterizes the normality; repairing the display driver according to the feedback signal indicative of the anomaly, comprising: and if the signal intensity of the feedback signal representing the abnormity is not matched with the signal intensity of the feedback signal representing the normality, repairing the display driver. Because the signal intensity of unusual feedback signal is different with the signal intensity of normal condition, microcontroller judges through the signal intensity of feedback signal whether this display driver appears unusually to repair the display driver, compare prior art, this application has reduced microcontroller's processing burden.
In one example, repairing a display driver includes: the display driver is reset. Specifically, after the microcontroller determines that the display driver is abnormal, the display driver is reset, so that the abnormality of the current display driver is repaired.
A fourth embodiment of the present invention relates to a detection method. The fourth embodiment is substantially the same as the third embodiment, with the main differences being: in a fourth embodiment of the present invention, receiving a feedback signal indicative of an anomaly sent by a display driver comprises: and receiving a feedback signal which is sent by the display driver and is used for representing the abnormity through a second path. In addition, those skilled in the art can understand that the details of the third embodiment are still valid in this embodiment, and are not repeated again to avoid repetition.
The schematic flow chart of the detection method of the embodiment is shown in fig. 5, and specifically includes the following steps:
Since the second embodiment corresponds to the present embodiment, the present embodiment can be implemented in cooperation with the second embodiment. The related technical details mentioned in the second embodiment are still valid in this embodiment, and the technical effects that can be achieved in the second embodiment can also be achieved in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the second embodiment.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A fifth embodiment of the invention relates to an electronic device, as shown in fig. 6, comprising at least one processor 602; and a memory 601 communicatively coupled to the at least one processor 602; the memory 601 stores instructions executable by the at least one processor 602, and the instructions are executed by the at least one processor 602 to enable the at least one processor 602 to perform the detection method.
Where the memory 601 and the processor 602 are coupled by a bus, the bus may comprise any number of interconnected buses and bridges that couple one or more of the various circuits of the processor 602 and the memory 601 together. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. Data processed by processor 602 is transmitted over a wireless medium through an antenna, which receives the data and transmits the data to processor 602.
The processor 602 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 601 may be used to store data used by processor 602 in performing operations.
A sixth embodiment of the present invention relates to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method according to the above embodiments may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A detection method is applied to a display driver; the detection method comprises the following steps:
detecting whether the display driver is abnormal;
and if the display driver is abnormal, sending a feedback signal representing the abnormality to a microcontroller connected with the display driver, so that the microcontroller can repair the display driver according to the feedback signal representing the abnormality.
2. The method for detecting according to claim 1, wherein said detecting whether an abnormality occurs in the display driver comprises:
detecting the value of the state identifier of the display driver, and determining whether the display driver is abnormal or not according to the value of the state identifier; and the state identification has different values when the state of the display driver is normal or abnormal.
3. The detection method according to claim 1, wherein the value of the status flag is a value of a register within the display driver.
4. The detection method according to claims 1 to 3, wherein a first terminal of the microcontroller is connected to a first terminal of the display driver through an image processing chip to form a first path; the second end of the microcontroller is directly connected to the second end of the display driver to form a second path;
The sending of a feedback signal indicative of an anomaly to the microcontroller comprises:
sending the feedback signal indicative of the anomaly to the microcontroller through the second path.
5. A detection method is characterized by being applied to a microcontroller; the detection method comprises the following steps:
receiving a feedback signal which is connected with the microcontroller and is sent by the display driver and used for representing abnormity;
and repairing the display driver according to the feedback signal representing the abnormity.
6. The method for detecting according to claim 5, wherein said receiving an abnormal feedback signal sent by said display driver comprises:
detecting a signal strength of the feedback signal indicative of the anomaly; wherein the signal strength of the feedback signal that characterizes the anomaly is different from the signal strength of the feedback signal that characterizes the normality;
the repairing the display driver according to the feedback signal representing the abnormality comprises:
and if the signal intensity of the feedback signal with the abnormal characteristic is not matched with the signal intensity of the feedback signal with the normal characteristic, repairing the display driver.
7. The detection method according to claim 5, wherein the repairing the display driver comprises:
Resetting the display driver.
8. The detection method according to any one of claims 5 to 7, wherein a first terminal of the microcontroller is connected to a first terminal of the display driver through an image processing chip to form a first path; the second end of the microcontroller is directly connected to the second end of the display driver to form a second path;
the receiving of the feedback signal representing the abnormality sent by the display driver includes:
and receiving the feedback signal which is sent by the display driver and is used for representing the abnormity through the second path.
9. An electronic device, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the detection method of any one of claims 1 to 4 or to perform the detection method of any one of claims 5 to 8.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the detection method of any one of claims 1 to 4, or carries out the detection method of any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010633720.7A CN111858209A (en) | 2020-07-02 | 2020-07-02 | Detection method, electronic device and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010633720.7A CN111858209A (en) | 2020-07-02 | 2020-07-02 | Detection method, electronic device and storage medium |
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| CN111858209A true CN111858209A (en) | 2020-10-30 |
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| CN202010633720.7A Pending CN111858209A (en) | 2020-07-02 | 2020-07-02 | Detection method, electronic device and storage medium |
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