CN111246199B - Control method and device for camera test, terminal equipment and storage medium - Google Patents
Control method and device for camera test, terminal equipment and storage medium Download PDFInfo
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- CN111246199B CN111246199B CN201911424511.5A CN201911424511A CN111246199B CN 111246199 B CN111246199 B CN 111246199B CN 201911424511 A CN201911424511 A CN 201911424511A CN 111246199 B CN111246199 B CN 111246199B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
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Abstract
The invention discloses a control method for camera test, which is applied to a test device, wherein the test device is connected with a camera through a GPIO (general purpose input/output) interface, and the control method for the camera test comprises the following steps: detecting a disconnection signal after the testing device is connected with the camera; and when the disconnection signal is detected, adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the test device and the camera. The invention also discloses a testing device, terminal equipment and a computer storage medium. The invention aims to improve the testing efficiency of the camera of the MIPI interface.
Description
Technical Field
The present invention relates to the field of camera test technologies, and in particular, to a method and an apparatus for controlling a camera test, a terminal device, and a storage medium.
Background
With the continuous development of mobile devices, when a camera using an MIPI (mobile Industry Processor interface) interface is plugged in and pulled out in a production test stage, the system needs to be powered off first and then restarted, and the efficiency of the camera using the MIPI interface during testing is low due to the fact that the power-off restart operation consumes too long time.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a control method for camera testing, terminal equipment and a computer storage medium, and aims to improve the testing efficiency of a camera of an MIPI (million instructions per second) interface.
In order to achieve the above object, the present invention provides a control method for a camera test, which is applied to a test device, wherein the test device is connected with a camera through a GPIO interface, and the control method for the camera test comprises the following steps:
detecting a disconnection signal after the testing device is connected with the camera;
and when the disconnection signal is detected, adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the test device and the camera.
Preferably, the step of detecting a disconnection signal after the test device is connected to the camera includes:
after the testing device is connected with the camera, receiving a testing instruction;
testing the camera according to the test instruction;
after the test is completed, the disconnect signal is detected.
Preferably, the step of detecting the turn-off signal after the test is completed includes:
after the test is finished, receiving a communication closing instruction of the camera;
disconnecting the communication between the testing device and the camera according to the communication closing instruction;
the step of detecting the turn-off signal is performed.
Preferably, the disconnection signal is determined to be detected when a key interruption signal of the test apparatus is detected.
Preferably, the control method for testing the camera further includes:
and when a key interruption signal of the testing device is detected, outputting key interruption prompt information to prompt that the key is interrupted.
Preferably, the control method for testing the camera further includes:
when the disconnection signal is detected, acquiring the communication state of the camera;
and when the communication state is a disconnection state, executing the step of adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the testing device and the camera.
Preferably, after the step of acquiring the communication state of the camera, the method for controlling the camera test further includes:
and when the communication state is a communication maintaining state, outputting prompt information.
Preferably, the adjusting the level of the GPIO interface to a high level includes:
and adjusting the high level of the VIO interface, the VANA interface and the VDIG interface.
In order to achieve the above object, the present invention further provides a terminal device, including:
the terminal equipment comprises a memory, a processor and a control program of the camera test, wherein the control program of the camera test is stored on the memory and can run on the processor, and the control program of the camera test realizes the steps of the control method of the camera test when being executed by the processor.
In order to achieve the above object, the present invention further provides a computer-readable storage medium, on which a control program for a camera test is stored, and when the control program for the camera test is executed by a processor, the steps of the control method for the camera test are implemented.
According to the control method for the camera test, the terminal device and the computer storage medium, after the test device is connected with the camera, the test device is connected with the camera through the GPIO interface, whether the test device receives a disconnection signal for disconnecting the electric connection between the test device and the camera is detected, and when the disconnection signal is detected, the level of the GPIO interface is adjusted to be high level so as to disconnect the electric connection between the test device and the camera, so that a user can perform hot plug on the camera after the camera test is completed, and the test efficiency of the camera of the MIPI interface is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware operating environment of a terminal according to an embodiment of the present invention;
FIG. 2 is a schematic flowchart of a control method for testing a camera according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a control method for testing a camera according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a control method for testing a camera according to a third embodiment of the present invention;
FIG. 5 is a schematic flowchart of a control method for testing a camera according to a fourth embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method for testing a camera according to a fifth embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indications are changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: detecting a disconnection signal after the testing device is connected with the camera; and when the disconnection signal is detected, adjusting the level of the GPIO interface to be high level so as to disconnect the electric connection between the test device and the camera.
The invention provides a control method for testing a camera, and aims to improve the testing efficiency of the camera of an MIPI (Mobile industry processor interface).
As shown in fig. 1, fig. 1 is a schematic diagram of a hardware operating environment of a terminal according to an embodiment of the present invention;
the terminal of the embodiment of the invention can be terminal equipment with data analysis capability.
As shown in fig. 1, the terminal may include: a processor 1001, such as a Central Processing Unit (CPU), a memory 1002, a communication bus 1003, and a MIPI interface 1004. The communication bus 1003 is used for realizing connection communication between the components in the terminal, and the MIPI interface 1004 is used for connecting a camera. The memory 1002 may be a random-access memory (RAM-random-access memory) or a non-volatile memory (non-volatile memory), such as a disk memory. The memory 1002 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the terminal shown in fig. 1 is not intended to be limiting of the terminal of embodiments of the present invention and may include more or less components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a control program of a control method of a camera test may be included in a memory 1002 as a kind of computer storage medium.
In the terminal shown in fig. 1, the processor 1001 may be configured to call a control program of a control method of a camera test stored in the memory 1002, and perform the following operations:
detecting a disconnection signal after the testing device is connected with the camera;
and when the disconnection signal is detected, adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the test device and the camera.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
after the testing device is connected with the camera, receiving a testing instruction;
testing the camera according to the test instruction;
after the test is completed, the disconnect signal is detected.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
after the test is finished, receiving a communication closing instruction of the camera;
disconnecting the communication between the testing device and the camera according to the communication closing instruction;
the step of detecting the turn-off signal is performed.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
and when a key interruption signal of the testing device is detected, judging that the disconnection signal is detected.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
and when a key interruption signal of the testing device is detected, outputting key interruption prompt information to prompt that the key is interrupted.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
when the disconnection signal is detected, acquiring the communication state of the camera;
and when the communication state is a disconnection state, executing the step of adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the testing device and the camera.
Further, the processor 1001 may call a control program of a control method of the camera test stored in the memory 1002, and also perform the following operations:
and when the communication state is a communication maintaining state, outputting prompt information.
Referring to fig. 2, in an embodiment, the method for controlling the camera test includes:
and step S10, detecting a disconnection signal after the testing device is connected with the camera.
And step S20, when the disconnection signal is detected, adjusting the level of the GPIO interface to be high level so as to disconnect the electric connection between the test device and the camera.
In this embodiment, when a camera of an MIPI (Mobile Industry Processor Interface) Interface is connected to a testing device for testing, the testing device needs to provide three driving voltages, which are a port voltage, an analog voltage and a digital voltage, when the camera works, wherein the port voltage is used for driving the camera to output image data information, the analog voltage is used for driving an internal chip of the camera, the digital voltage is used for driving a digital circuit inside the camera, and the camera is connected with GPIO interfaces corresponding to the three driving voltages in the testing device through GPIO pins, wherein the level of the GPIO interfaces can be adjusted and controlled by a system. The test device is also connected with an interrupt key, a user can generate an interrupt signal after pressing the interrupt key, and the test device can judge that a disconnection signal is detected when detecting the interrupt signal of the interrupt key, wherein the disconnection signal is a signal for disconnecting the electric connection between the test device and the camera. After the testing device is connected with the camera, whether the testing device receives a disconnection signal is detected, when the disconnection signal is detected, the testing device adjusts the level of the GPIO interface corresponding to the three driving voltages into a high level, so that the testing device is electrically connected with the camera, and it needs to be explained that the testing device and the camera are in a connection state when the level of the GPIO interface is a low level, the testing device can provide the voltage required by the normal work of the camera, the testing device and the camera are in a disconnection state when the level of the GPIO interface is a high level, and the camera stops working.
In this embodiment, testing arrangement passes through the GPIO interface and is connected with the camera, be connected the back at testing arrangement and camera, whether detection testing arrangement receives the turn-off signal, testing arrangement is when detecting the turn-off signal, be the high level with the level adjustment of GPIO interface, with the electricity of disconnection testing arrangement and camera, and thus, the level through the GPIO interface on the control testing arrangement comes the electricity of disconnection testing arrangement and camera to be connected, after the electricity of disconnection testing arrangement and camera is connected, the user can directly carry out the plug to the camera, avoid the user when carrying out the plug to the camera, need cut off the power supply to the system and restart, the efficiency of software testing of the camera of MIPI interface has been improved.
In the second embodiment, as shown in fig. 3, step S10 in fig. 2 includes, on the basis of the embodiment shown in fig. 2 described above:
and step S30, receiving a test instruction after the test device is connected with the camera.
And step S40, testing the camera according to the test instruction.
And step S50, detecting the disconnection signal after the test is finished.
In this embodiment, after the testing apparatus is connected to the camera, a user may trigger a power-on instruction of the camera through the control interface, control the testing apparatus to complete power-on initialization of the camera, then the user controls the camera to enter different operating modes for testing at the control interface, the user sends a corresponding test instruction to the testing apparatus when triggering different test instructions at the control interface, the testing apparatus transmits the test instruction to the camera through a data line of an I2C bus (bidirectional two-wire system synchronous serial bus) when receiving the test instruction, so as to control the camera to perform corresponding tests, for example, the test instruction may be preview, photo, video, and the like, the user sends a preview instruction to the testing apparatus when triggering a preview instruction to control the camera to enter a preview mode at the control interface, the testing apparatus controls the camera to enter the preview mode after receiving the preview instruction, the current preview mode test is completed.
Optionally, the user may combine the test instructions into one test case in advance for storage, after the power-on initialization work of the camera is completed, the user may directly trigger the start test instruction on the control interface, and after receiving the start test instruction, the test device controls the camera to sequentially enter different working modes according to the test case for testing.
After the test is finished, whether the user presses an interrupt key on the test device is detected, when an interrupt signal generated when the interrupt key is pressed is detected, a disconnection signal for disconnecting the electric connection between the test device and the camera is judged to be detected, and then the level of a GPIO (general purpose input/output) interface on the test device is adjusted to be high level so as to disconnect the electric connection between the test device and the camera.
Optionally, the control interface is provided with a graphic key for disconnecting the electrical connection between the testing device and the camera, when the user clicks the graphic key, the trigger system sends a disconnection signal to the testing device, and after receiving the disconnection signal, the testing device adjusts the level of the GPIO interface on the testing device to a high level to disconnect the electrical connection between the testing device and the camera.
In this embodiment, after the power-on initialization of the camera is completed, when the user triggers a test instruction on the control interface, the user sends the test instruction to the test device, and controls the camera to perform a related test according to the test instruction, so that the user can switch the working mode of the camera to perform the test through the control interface.
In the third embodiment, as shown in fig. 4, step S50 in fig. 3 includes, on the basis of the embodiment shown in fig. 3 described above:
and step S510, receiving a communication closing instruction of the camera after the test is finished.
And S520, disconnecting the communication between the testing device and the camera according to the communication closing instruction.
Step S530, executing the step of detecting the disconnection signal.
The camera and the testing device communicate through an I2C bus, the testing device transmits the received testing command to the camera through a data line of the I2C bus, after the test of the camera is finished, the user sends a communication closing instruction to the test device through the control interface, the test device cuts off the communication between the test device and the camera according to the communication closing instruction, namely exiting the running mode of the current camera, putting the camera in a standby state, waiting for the next instruction of the user, if the test device detects the disconnection signal when the camera is in a standby state, the test device disconnects the electric connection with the camera, so that a user can pull out the current test camera to replace a new camera for testing, if the user wants to test a certain mode again, the user can directly trigger a corresponding test instruction through the control interface to test the camera again.
In this embodiment, after the test of the camera is completed, the user sends a communication closing instruction to the test device through the control interface, the test device disconnects the communication with the camera according to the communication closing instruction, after the test is completed, the communication between the camera and the test device is disconnected, and then the electrical connection between the test device and the camera is disconnected, so that the camera is protected from being damaged, and the storage of the test result of the camera is facilitated.
In a fourth embodiment, as shown in fig. 5, on the basis of the embodiment shown in fig. 2, the method for controlling the camera test further includes:
and step S60, when the key interruption signal of the test device is detected, outputting the prompt information of key interruption to prompt the key to be interrupted.
In this embodiment, after the test of the camera is completed, if a key interruption signal of the test device is detected, the prompt information of key interruption is output, specifically, when the user presses the interruption key, the control interface may output the prompt information of key interruption to prompt the user that the key has been interrupted.
In this embodiment, when a key interruption signal of the testing device is detected, the prompt information of key interruption is output to prompt that the key is interrupted, so that a user can ensure that the interruption key on the testing device is pressed through the prompt information, the user is prevented from unplugging the camera on the testing device under the condition that the interruption key is not pressed, and the protection of the camera from being damaged is facilitated.
In a fifth embodiment, as shown in fig. 6, on the basis of the above embodiment shown in fig. 2, the method for controlling the camera test further includes:
and step S70, when the disconnection signal is detected, acquiring the communication state of the camera.
And step S80, when the communication state is a disconnection state, executing the step of adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the testing device and the camera.
And step S90, outputting the prompt information when the communication state is the communication holding state.
In this embodiment, after the testing device is connected to the camera, it is detected whether the testing device receives a disconnection signal, when the disconnection signal is detected, a communication state of the camera is obtained, when no data transmission exists between the testing device and the camera, it can be determined that the communication state of the camera is the disconnection state at this time, the testing device adjusts the level of the GPIO interface to a high level again when the communication state of the camera is the disconnection state, the electrical connection between the testing device and the camera is disconnected, when the communication state of the camera is detected to be the communication maintaining state, a prompt message that the testing device and the camera are still in communication is output at the control interface, and a user is prompted to trigger a communication closing instruction to disconnect the current communication between the testing device and the camera, and then the level of the GPIO interface is adjusted to a high level to disconnect the electrical connection between the testing device and the camera.
In this embodiment, when a disconnection signal is detected, the communication state of the camera is acquired, when the communication state is the disconnection state, the level of the GPIO interface is adjusted to be a high level, the electrical connection between the testing device and the camera is disconnected, and when the communication state is the communication maintaining state, the prompt information is output.
In the above embodiment, the GPIO interface may include a (voltage input output, voltage output) VIO interface, a (voltage Analog ) VANA interface, and a (voltage digital, voltage) VDIG interface. And adjusting the level of the GPIO interface to be high level, wherein the VIO interface, the VANA interface and the VDIG interface can be simultaneously adjusted to be high level.
In addition, the present invention further provides a terminal device, where the terminal device includes a memory, a processor, and a control program for camera test, the control program being stored in the memory and being executable on the processor, and the processor implements the steps of the control method for camera test according to the above embodiment when executing the control program for camera test.
Furthermore, the present invention also provides a computer-readable storage medium, which includes a control program for camera testing, and when the control program for camera testing is executed by a processor, the steps of the control method for camera testing according to the above embodiments are implemented.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a television, a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The control method for the camera test is characterized by being applied to a test device, wherein the test device is connected with a camera through a GPIO (general purpose input/output) interface, and the control method for the camera test comprises the following steps:
the method comprises the steps of connecting a camera and providing a port voltage, an analog voltage and a digital voltage, wherein the port voltage is used for driving the camera to output image data information, the analog voltage is used for driving an internal chip of the camera, the digital voltage is used for driving a digital circuit inside the camera, and the camera is connected with GPIO interfaces corresponding to the port voltage, the analog voltage and the digital voltage through GPIO pins;
after the testing device is connected with the camera, detecting whether a key is interrupted or not to determine whether a disconnection signal is detected or not, wherein when the key is detected to be interrupted, the disconnection signal is considered to be detected, outputting prompt information of key interruption, and simultaneously lighting an indicator lamp to prompt the key to be interrupted;
and when the disconnection signal is detected, adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the test device and the camera.
2. The method for controlling the camera test according to claim 1, wherein the step of detecting a disconnection signal after the test apparatus is connected to the camera comprises:
after the testing device is connected with the camera, receiving a testing instruction;
testing the camera according to the test instruction;
after the test is completed, the disconnect signal is detected.
3. The method for controlling the camera test according to claim 2, wherein the step of detecting the turn-off signal after the test is completed comprises:
after the test is finished, receiving a communication closing instruction of the camera;
disconnecting the communication between the testing device and the camera according to the communication closing instruction;
the step of detecting the turn-off signal is performed.
4. The method for controlling a camera test according to claim 1, wherein the disconnection signal is determined to be detected when a key interrupt signal of the test apparatus is detected.
5. The method for controlling a camera test according to claim 1, further comprising:
when the disconnection signal is detected, acquiring the communication state of the camera;
and when the communication state is a disconnection state, executing the step of adjusting the level of the GPIO interface to be a high level so as to disconnect the electric connection between the testing device and the camera.
6. The method for controlling a camera test according to claim 5, wherein after the step of acquiring the communication state of the camera, the method for controlling a camera test further comprises:
and when the communication state is a communication maintaining state, outputting prompt information.
7. The method for controlling the camera test according to any one of claims 1 to 6, wherein the adjusting the level of the GPIO interface to a high level comprises:
and adjusting the high level of the VIO interface, the VANA interface and the VDIG interface.
8. A terminal device, characterized in that the terminal device comprises a memory, a processor and a control program for camera test stored on the memory and executable on the processor, and the control program for camera test realizes the steps of the control method for camera test according to any one of claims 1 to 7 when executed by the processor.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a control program for a camera test, which when executed by a processor implements the steps of the control method for a camera test according to any one of claims 1 to 7.
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| CN111800625B (en) * | 2020-07-06 | 2021-12-03 | 安徽文香科技有限公司 | HDMI (high-definition multimedia interface) port camera connection detection method, device and equipment |
| CN112954424A (en) * | 2020-08-21 | 2021-06-11 | 海信视像科技股份有限公司 | Display device and camera starting method |
| CN112565746A (en) * | 2020-12-30 | 2021-03-26 | 杭州视洞科技有限公司 | Automatic pressure test method and process for detecting IP address of wired network port of camera |
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