CN112399012B - Proximity sensor setting method, device and storage medium - Google Patents
Proximity sensor setting method, device and storage medium Download PDFInfo
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- CN112399012B CN112399012B CN202011285328.4A CN202011285328A CN112399012B CN 112399012 B CN112399012 B CN 112399012B CN 202011285328 A CN202011285328 A CN 202011285328A CN 112399012 B CN112399012 B CN 112399012B
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Abstract
The embodiment of the application provides a proximity sensor setting method, a proximity sensor setting device and a storage medium, which are applied to a mobile terminal with a proximity sensor, a light receiving unit of the proximity sensor is controlled to collect an external infrared light signal in the environment where the mobile terminal is located, the generation time interval of the external infrared light signal is determined according to the collected external infrared light signal, the receiving time interval of the light receiving unit is determined according to the generation time interval of the external infrared light signal, when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit a light signal, and the light receiving unit is controlled to receive the infrared light signal according to the receiving time interval. According to the embodiment of the application, the time when more red light is generated can be automatically avoided according to the information generated by the infrared light of the environment where the mobile terminal is located, and the object distance measurement is carried out by selecting the optimal time gap so as to improve the detection precision of the proximity sensor.
Description
Technical Field
The present disclosure relates to the field of infrared proximity sensors, and more particularly, to a method and an apparatus for setting a proximity sensor, and a storage medium.
Background
In the prior art, when a proximity sensor is arranged in a mobile terminal, the proximity sensor is often used for making a call, whether a screen is extinguished or not is determined according to whether a human face exists in front, and after the screen is extinguished, the situation that a user touches the proximity sensor by mistake and electric energy is saved is avoided. The detection principle of the proximity sensor is that the proximity sensor emits infrared light outwards, the infrared light is reflected when encountering an object, the infrared light emitted back is collected at the proximity sensor, whether the object exists or not is judged according to the collected infrared light signals, and the distance between the object and the proximity sensor is detected. In actual use, a red light component may be accompanied in light emitted by a device such as a lamp near the mobile terminal, and a certain error may exist in detection by the proximity sensor due to red light emitted by the non-receiving sensor.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
In order to solve the above-mentioned defects in the prior art, embodiments of the present application provide a method and an apparatus for setting a proximity sensor, and a storage medium, which can automatically avoid a time when more red lights are emitted according to information generated by infrared light of an environment where a mobile terminal is located, and select a better time gap for object distance measurement, so as to improve detection accuracy of the proximity sensor.
The embodiment of the application provides a proximity sensor setting method, which is applied to a mobile terminal with a proximity sensor, wherein the proximity sensor comprises a light emitting unit and a light receiving unit, and the method comprises the following steps:
controlling a light receiving unit of the proximity sensor to collect an external infrared light signal in the environment where the mobile terminal is located;
determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal;
determining a receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal;
when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit a light signal, and the light receiving unit is controlled to receive an infrared light signal according to the receiving time interval.
In some embodiments, determining a generation time interval of the ambient infrared light signal according to the collected ambient infrared light signal includes:
controlling the light receiving unit to collect an external infrared light signal by taking a first collection time interval as a working cycle;
recording the acquired external infrared light signal as a first received signal record, wherein the first received signal record comprises a signal amplitude and an acquisition time point of each signal point in the external infrared light signal;
processing the first received signal record to mark signal points in the first received signal record with signal amplitudes exceeding a first threshold as first high threshold signal points and signal points in the first received signal record with signal amplitudes below a second threshold as first low threshold signal points;
obtaining a first signal mark record based on the processed first received signal record, wherein the first signal mark record comprises the first high threshold signal point, the first low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the first high threshold signal point and the first low threshold signal point;
and determining the generation time interval of the external infrared light signal according to the first signal mark record.
In some embodiments, determining a generation time interval of the ambient infrared light signal based on the first signal mark record comprises:
and determining the time difference between the acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the external infrared light signal.
In some embodiments, determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal includes:
judging whether the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval or not;
and if the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval, determining the first acquisition time interval as the receiving time interval of the light receiving unit.
In some embodiments, determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal further includes:
if the generation time interval of the external infrared light signal is not integral multiple of the first acquisition time interval, adjusting the working period of the light receiving unit to a second acquisition time interval, and controlling the light receiving unit to acquire the external infrared light signal again;
and determining the receiving time interval of the light receiving unit according to the re-collected external infrared light signal.
In some embodiments, determining a receiving time interval of the light receiving unit according to the re-collected ambient infrared light signal includes:
recording the re-collected external infrared light signals as second received signal records, wherein the second received signal records comprise the signal amplitude and the collection time point of each signal point in the re-collected external infrared light signals;
processing the second received signal record to mark signal points in the second received signal record with signal amplitudes exceeding the first threshold as second high threshold signal points and mark signal points in the second received signal record with signal amplitudes below the second threshold as second low threshold signal points;
obtaining a second signal mark record according to the processed second received signal record, wherein the second signal mark record comprises the second high threshold signal point, the second low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the second high threshold signal point and the second low threshold signal point;
determining a time difference between the acquisition time points of two adjacent second high-threshold signal points in the second signal mark record as a generation time interval of the re-acquired external infrared light signal;
judging whether the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval or not;
and if the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval, determining the second collection time interval as the receiving time interval of the light receiving unit.
In some embodiments, adjusting the duty cycle of the light receiving unit to be before the second acquisition time interval further comprises:
determining a time difference between acquisition time points of two adjacent first low threshold signal points in the first signal mark recording as the second acquisition time interval.
In some embodiments, controlling the light receiving unit to collect the external infrared light signal with a first collection time interval as a work cycle further includes:
when the light receiving unit collects the external infrared light signals by taking a first collection time interval as a working period and does not collect the external infrared light signals within a preset number of working periods, prolonging the working period of the light receiving unit;
and when the light receiving unit collects the external infrared light signals with the prolonged working period and collects the external infrared light signals for the first time, the working period of the light receiving unit is adjusted to be the first collection time interval.
An embodiment of the present application further provides a proximity sensor setting apparatus, the apparatus includes:
the acquisition module is used for controlling a light receiving unit of the proximity sensor to acquire an external infrared light signal in the environment where the mobile terminal is located;
the first determining module is used for determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal;
the second determining module is used for determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal;
and the control module is used for controlling the light emitting unit to emit light signals and controlling the light receiving unit to receive infrared light signals according to the receiving time interval when the proximity sensor receives a distance detection request.
Embodiments of the present application further provide a storage medium, where a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the steps in the proximity sensor setting method according to any of the above embodiments.
The proximity sensor setting method, the proximity sensor setting device and the storage medium are applied to a mobile terminal with a proximity sensor, an external infrared light signal in the environment where the mobile terminal is located is collected by controlling a light receiving unit of the proximity sensor, the generation time interval of the external infrared light signal is determined according to the collected external infrared light signal, the receiving time interval of the light receiving unit is determined according to the generation time interval of the external infrared light signal, when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit the light signal, and the light receiving unit is controlled to receive the infrared light signal according to the receiving time interval. According to the embodiment of the application, the time when more red light is generated can be automatically avoided according to the information generated by the infrared light of the environment where the mobile terminal is located, and the object distance measurement is carried out by selecting the optimal time gap so as to improve the detection precision of the proximity sensor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic flow chart of a proximity sensor setting method according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a first structure of a proximity sensor setting apparatus according to an embodiment of the present disclosure.
Fig. 3 is a second structural schematic diagram of a proximity sensor setting apparatus according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely 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 inventive step, are within the scope of the present application.
The embodiment of the application provides a method for setting a proximity sensor, which can be applied to a mobile terminal. The mobile terminal can be a smart phone, a tablet computer, a desktop computer, a smart watch and other devices.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for disposing a proximity sensor according to an embodiment of the present disclosure. The proximity sensor setting method is applied to a mobile terminal with a proximity sensor, wherein the proximity sensor comprises a light emitting unit and a light receiving unit, and the mobile terminal is also provided with a screen, a camera and the like. The method may comprise the steps of:
The light receiving unit can be controlled to collect the infrared light signals, and the collection period of the light receiving unit during infrared light signal collection can be adjusted in the signal collection process.
In some embodiments, the controlling the light receiving unit of the proximity sensor to collect an external infrared light signal in an environment where the mobile terminal is located further includes:
and controlling a light receiving unit of the proximity sensor to detect the intensity of the infrared light signal in the external environment, and recording acquisition time information and intensity information of the signal.
In some embodiments, the light emitting unit may be turned off at a time when the light receiving unit is controlled to perform the acquisition of the external infrared light signal, so as to improve the detection accuracy of detecting the external infrared light signal.
In some embodiments, the infrared light signal that the light receiving unit can detect from the environment in which the light receiving unit is controlled to perform detection of the infrared light signal may include an external infrared light signal that is generated by an object other than the light emitting unit of the proximity sensor or that is refracted or reflected, or may be an infrared light signal that is emitted by the light emitting unit of the proximity sensor for performing a detection function including a distance measurement function.
Specifically, the determining the generation time interval of the external infrared light signal according to the collected external infrared light signal includes:
controlling the light receiving unit to collect an external infrared light signal by taking a first collection time interval as a working cycle;
recording the collected external infrared light signals as first received signal records, wherein the first received signal records comprise the signal amplitude and the collection time point of each signal point in the external infrared light signals;
processing the first received signal record to mark signal points in the first received signal record with signal amplitudes exceeding a first threshold as first high threshold signal points and signal points in the first received signal record with signal amplitudes below a second threshold as first low threshold signal points;
obtaining a first signal mark record based on the processed first received signal record, wherein the first signal mark record comprises the first high threshold signal point, the first low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the first high threshold signal point and the first low threshold signal point;
and determining the generation time interval of the external infrared light signal according to the first signal mark record.
In some embodiments, the method wherein the generation time interval of the ambient infrared light signal is determined according to the first signal mark record, further comprises:
and determining the time difference between the acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the external infrared light signal.
In some embodiments, the determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal includes:
judging whether the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval or not;
and if the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval, determining the first acquisition time interval as the receiving time interval of the light receiving unit.
In some embodiments, the determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal further includes:
if the generation time interval of the external infrared light signal is not integral multiple of the first acquisition time interval, adjusting the working period of the light receiving unit to a second acquisition time interval, and controlling the light receiving unit to acquire the external infrared light signal again;
and determining the receiving time interval of the light receiving unit according to the re-collected external infrared light signal.
In some embodiments, the method further comprises determining a generation time interval of the ambient infrared light signal according to the signal mark records, and determining a time difference between acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the ambient infrared light signal.
For example, since the external infrared light signal must be a periodic signal, the time interval between the peaks of the external infrared light signal must be fixed to the same time interval, and the peak intensity of the external infrared light keeps a stable value, the external infrared light signal received by the light receiving unit at this time must also have a periodic characteristic, the relationship between the intensity of the external infrared light signal and the time at this time must also be a periodically-changing image, and the time interval at which the external infrared light signal is generated must be the same as the time interval of the peak signal of the received infrared light signal at this time.
For example, when the proximity sensor performs distance measurement, the distance measurement function needs the light emitting unit to emit a signal, and then the light receiving unit receives and records the signal emitted and returned by the light emitting unit, in this application scenario, the signal emission rule of the light emitting unit may be that an infrared light signal is sent at a fixed period interval, the light receiving unit receives an infrared light signal that must also have a periodic characteristic, the relationship between the intensity of the infrared light signal and time must also be an image that varies periodically, and the time interval at which the light emitting unit generates the infrared light signal must be the same as the time interval of the peak signal of the received infrared light signal.
The duty cycle adjustment process in the above two cases can be briefly summarized as follows:
A. acquiring a generation time interval F2 between high and low changes of the intensity of the infrared light signal in the current environment;
B. acquiring a receiving time interval F1 of a work cycle collected by the currently set proximity sensor;
C. and judging whether F1 and F2 satisfy F2-K F1(K is an integer), if so, not changing the proximity sensor collection interval, and if not, resetting the proximity sensor collection interval.
In some embodiments, the proximity sensor may control the light emitting unit and the light receiving unit of the proximity sensor to respectively perform light signal emission and light signal detection at specific time points according to a generation time interval of the external infrared light signal, and extend a working period of the light receiving unit when the light receiving unit collects the external infrared light signal with a first collection time interval as a working period and does not collect the external infrared light signal within a preset number of working periods. And when the light receiving unit collects the external infrared light signals with the prolonged working period and collects the external infrared light signals for the first time, the working period of the light receiving unit is adjusted to be the first collection time interval.
For example, in the process of controlling the light receiving unit of the proximity sensor to collect the external infrared light signal in the environment where the mobile terminal is located, the infrared light signal in the environment is collected by the proximity sensor every 5 seconds, if the infrared light signal is not collected for 10 times continuously, the number of the collection actions is reduced, and the infrared light signal in the environment is collected by the proximity sensor every 20 seconds; however, if 1 time of collection is carried out, the collection frequency is increased, the proximity sensor collects the infrared light signal in the environment once every 0.01 second to draw the intensity change condition of the infrared light signal in the environment, and actually the infrared light is emitted by an object, so that the change of height necessarily existing in the proximity sensor has periodicity.
And 104, when the proximity sensor receives a distance detection request, controlling the light emitting unit to emit a light signal, and controlling the light receiving unit to receive an infrared light signal according to the receiving time interval.
In some embodiments, when the proximity sensor receives a detection request, the light emitting unit may be controlled to emit a light signal according to a time interval generated by an obtained external infrared light signal, and the light receiving unit may also be controlled to detect the signal according to the time interval, so that a red light component at the location of the mobile terminal is automatically avoided from being collected at a high point when more red lights are emitted, and a better time gap is selected for object distance measurement, thereby improving the detection accuracy of the proximity sensor.
In some embodiments, the process of controlling the proximity sensor to perform detection specifically further includes:
when the transmitting work is needed, the proximity sensor transmitting unit is used for transmitting signals at a high threshold point, and the proximity sensor receiving unit is closed; when the detection work is needed, the proximity sensor receiving unit turns off the proximity sensor transmitting unit when the proximity sensor receiving unit receives the signal at the low threshold point.
As can be seen from the above, the method for setting a proximity sensor provided in the embodiment of the present application is applied to a mobile terminal having a proximity sensor, the method includes controlling a light receiving unit of the proximity sensor to collect an external infrared light signal in an environment where the mobile terminal is located, determining a generation time interval of the external infrared light signal according to the collected external infrared light signal, determining a receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal, controlling the light emitting unit to emit a light signal when the proximity sensor receives a distance detection request, and controlling the light receiving unit to receive the infrared light signal according to the receiving time interval. According to the embodiment of the application, the time when more red light is generated can be automatically avoided according to the information generated by the infrared light of the environment where the mobile terminal is located, and the object distance measurement is carried out by selecting the optimal time gap so as to improve the detection precision of the proximity sensor.
Referring to fig. 2, fig. 2 is a schematic view of a first structure of a proximity sensor installation apparatus according to an embodiment of the present disclosure. The proximity sensor setting means 30 may include:
the acquisition module 301 is configured to control a light receiving unit of the proximity sensor to acquire an external infrared light signal in an environment where the mobile terminal is located;
a first determining module 302, configured to determine a generation time interval of the external infrared light signal according to the acquired external infrared light signal;
a second determining module 303, configured to determine a receiving time interval of the light receiving unit according to a generation time interval of the external infrared light signal;
a control module 304, configured to control the light emitting unit to emit a light signal and control the light receiving unit to receive an infrared light signal according to the receiving time interval when the proximity sensor receives a distance detection request.
In some embodiments, the acquisition module 301 may be configured to control the light receiving unit to acquire the infrared light signal, and may further adjust an acquisition period when the light receiving unit acquires the infrared light signal in a signal acquisition process.
In some embodiments, the first determining module 302 is specifically configured to:
controlling the light receiving unit to collect an external infrared light signal by taking a first collection time interval as a working cycle;
recording the acquired external infrared light signal as a first received signal record, wherein the first received signal record comprises a signal amplitude and an acquisition time point of each signal point in the external infrared light signal;
processing the first received signal record to mark signal points in the first received signal record with signal amplitudes exceeding a first threshold as first high threshold signal points and signal points in the first received signal record with signal amplitudes below a second threshold as first low threshold signal points;
obtaining a first signal mark record based on the processed first received signal record, wherein the first signal mark record comprises the first high threshold signal point, the first low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the first high threshold signal point and the first low threshold signal point;
and determining the generation time interval of the external infrared light signal according to the first signal mark record.
In some embodiments, the first determining module 302 is configured to determine the generation time interval of the external infrared light signal according to the first signal mark record, and specifically includes:
and determining the time difference between the acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the external infrared light signal.
In some embodiments, the second determining module 303 is specifically configured to:
judging whether the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval or not;
and if the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval, determining the first acquisition time interval as the receiving time interval of the light receiving unit.
In some embodiments, the second determining module 303 is further configured to:
if the generation time interval of the external infrared light signal is not integral multiple of the first acquisition time interval, adjusting the working period of the light receiving unit to a second acquisition time interval, and controlling the light receiving unit to acquire the external infrared light signal again;
and determining the receiving time interval of the light receiving unit according to the re-collected external infrared light signal.
In some embodiments, the second determining module 303 is configured to determine the receiving time interval of the light receiving unit according to the re-collected external infrared light signal, and specifically includes:
recording the re-collected external infrared light signals as second received signal records, wherein the second received signal records comprise the signal amplitude and the collection time point of each signal point in the re-collected external infrared light signals;
processing the second received signal record to mark signal points in the second received signal record with signal amplitudes exceeding the first threshold as second high threshold signal points and mark signal points in the second received signal record with signal amplitudes below the second threshold as second low threshold signal points;
obtaining a second signal mark record according to the processed second received signal record, wherein the second signal mark record comprises the second high threshold signal point, the second low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the second high threshold signal point and the second low threshold signal point;
determining a time difference between the acquisition time points of two adjacent second high-threshold signal points in the second signal mark record as a generation time interval of the re-acquired external infrared light signal;
judging whether the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval or not;
and if the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval, determining the second collection time interval as the receiving time interval of the light receiving unit.
In some embodiments, the second determining module 303, configured to, before the adjusting the duty cycle of the light receiving unit to the second acquisition time interval, further include:
determining a time difference between acquisition time points of two adjacent first low threshold signal points in the first signal mark recording as the second acquisition time interval.
In some embodiments, the acquisition module 301 is further configured to:
when the light receiving unit collects the external infrared light signals by taking a first collection time interval as a working period and does not collect the external infrared light signals within a preset number of working periods, prolonging the working period of the light receiving unit;
and when the light receiving unit collects the external infrared light signals with the prolonged working period and collects the external infrared light signals for the first time, the working period of the light receiving unit is adjusted to be the first collection time interval.
In some embodiments, the control module 304 is specifically configured to:
when the proximity sensor receives a detection request, the light emitting unit is controlled to emit a light signal according to a time interval generated by the obtained external infrared light signal, and the light receiving unit is controlled to detect the signal according to the time interval. According to information generated by infrared light of the environment where the mobile terminal is located, the time when more red light is generated is automatically avoided, collection at a high point is avoided, and a better time gap is selected for object distance measurement, so that the detection precision of the proximity sensor is improved.
In some embodiments, the control module 304 is further configured to invoke the proximity sensor transmitting unit to transmit a signal at a high threshold point and invoke the proximity sensor receiving unit to receive a signal at a low threshold point.
Specifically, when the infrared light signal needs to be transmitted, the proximity sensor transmitting unit is controlled to transmit the signal at a high threshold point, and the proximity sensor receiving unit is closed while the proximity sensor transmitting unit transmits the signal;
when the proximity sensor receiving unit is controlled to receive a signal at a low threshold point during detection of the infrared light signal, the proximity sensor transmitting unit is turned off during detection of the signal by the proximity sensor receiving unit.
Referring to fig. 3, fig. 3 is a second structural diagram of a proximity sensor installation apparatus according to an embodiment of the present disclosure, in which the proximity sensor installation apparatus 30 includes a memory 120, one or more processors 180, and one or more applications, where the one or more applications are stored in the memory 120 and configured to be executed by the processor 180; the processor 180 may include an acquisition module 301, a first determination module 302, a second determination module 303, and a control module 304. For example, the structures and connection relationships of the above components may be as follows:
the memory 120 may be used to store applications and data. The memory 120 stores applications containing executable code. The application programs may constitute various functional modules. The processor 180 executes various functional applications and data processing by running the application programs stored in the memory 120. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 120 may also include a memory controller to provide the processor 180 with access to the memory 120.
The processor 180 is a control center of the device, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the device and processes data by running or executing an application program stored in the memory 120 and calling data stored in the memory 120, thereby monitoring the entire device. Optionally, processor 180 may include one or more processing cores; preferably, the processor 180 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application program, and the like.
Specifically, in this embodiment, the processor 180 loads the executable code corresponding to the process of one or more application programs into the memory 120 according to the following instructions, and the processor 180 runs the application programs stored in the memory 120, thereby implementing various functions:
the acquisition module 301 is configured to control a light receiving unit of the proximity sensor to acquire an external infrared light signal in an environment where the mobile terminal is located;
a first determining module 302, configured to determine a generation time interval of the external infrared light signal according to the acquired external infrared light signal;
a second determining module 303, configured to determine a receiving time interval of the light receiving unit according to a generation time interval of the external infrared light signal;
a control module 304, configured to control the light emitting unit to emit a light signal and control the light receiving unit to receive an infrared light signal according to the receiving time interval when the proximity sensor receives a distance detection request.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
As can be seen from the above, the proximity sensor setting apparatus provided in this embodiment of the application controls the light receiving unit of the proximity sensor to collect the external infrared light signal in the environment where the mobile terminal is located through the collection module 301, the first determination module 302 determines the generation time interval of the external infrared light signal according to the collected external infrared light signal, the second determination module 303 determines the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal, and when the proximity sensor receives a distance detection request, the control module 304 controls the light emitting unit to emit the light signal and controls the light receiving unit to receive the infrared light signal according to the receiving time interval. According to the embodiment of the application, the time when more red light is generated can be automatically avoided according to the information generated by the infrared light of the environment where the mobile terminal is located, and the object distance measurement is carried out by selecting the optimal time gap so as to improve the detection precision of the proximity sensor.
The embodiment of the application also provides the mobile terminal. The mobile terminal can be a smart phone, a tablet computer, a desktop computer, a smart watch and other devices.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure, where the mobile terminal may be used to implement the proximity sensor setting method provided in the foregoing embodiment. The mobile terminal 1200 may be a smart phone or a tablet computer.
As shown in fig. 4, the mobile terminal 1200 may include an RF (Radio Frequency) circuit 110, a memory 120 including one or more computer-readable storage media (only one shown), an input unit 130, a display unit 140, a sensor 150, an audio circuit 160, a transmission module 170, a processor 180 including one or more processing cores (only one shown), and a power supply 190. Those skilled in the art will appreciate that the mobile terminal 1200 configuration illustrated in fig. 4 is not intended to be limiting of the mobile terminal 1200 and may include more or less components than those illustrated, or some components in combination, or a different arrangement of components. Wherein:
the RF circuit 110 is used for receiving and transmitting electromagnetic waves, and performs interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices. The RF circuitry 110 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The RF circuitry 110 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network.
The memory 120 may be used to store software programs and modules, such as program instructions/modules corresponding to the proximity sensor setting method in the above-described embodiments, and the processor 180 may execute various functional applications and data processing by operating the software programs and modules stored in the memory 120. Memory 120 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, memory 120 may further include memory located remotely from processor 180, which may be connected to mobile terminal 1200 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 130 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 130 may include a touch-sensitive surface 131 as well as other input devices 132. The touch-sensitive surface 131, also referred to as a touch display screen or a touch pad, may collect touch operations by a user on or near the touch-sensitive surface 131 (e.g., operations by a user on or near the touch-sensitive surface 131 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding connection device according to a predetermined program. In addition to the touch-sensitive surface 131, the input unit 130 may also include other input devices 132. In particular, other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 140 may be used to display information input by or provided to the user and various graphic user interfaces of the mobile terminal 1200, which may be configured by graphics, text, icons, video, and any combination thereof. The display unit 140 may include a display panel 141. Further, the touch-sensitive surface 131 may cover the display panel 141, and when a touch operation is detected on or near the touch-sensitive surface 131, the touch operation is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 provides a corresponding visual output on the display panel 141 according to the type of the touch event. The display unit 140 is a screen in the above embodiment.
The mobile terminal 1200 may further include at least one sensor 150, specifically, the sensor may be a proximity sensor 151, wherein the proximity sensor 151 may further include at least one of a light emitting unit 1501 and a light receiving unit 1502, the light emitting unit 1501 may be configured to emit an infrared light signal, and the light receiving unit 1502 may be configured to receive the infrared light signal. The mobile terminal 1200 may be configured with, for example, a light sensor, a motion sensor, and other sensors in addition to the proximity sensor 151. As for other sensors such as a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured on the mobile terminal 1200, detailed descriptions thereof are omitted.
The mobile terminal 1200, which may assist the user in e-mail, web browsing, and streaming media access through the transmission module 170 (e.g., Wi-Fi module), provides the user with wireless broadband internet access. Although fig. 4 shows the transmission module 170, it is understood that it does not belong to the essential constitution of the mobile terminal 1200, and may be omitted entirely within the scope not changing the essence of the invention as needed.
The processor 180 is a control center of the mobile terminal 1200, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal 1200 and processes data by operating or executing software programs and/or modules stored in the memory 120 and calling data stored in the memory 120, thereby integrally monitoring the mobile phone. Optionally, processor 180 may include one or more processing cores; in some embodiments, the processor 180 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 180.
The mobile terminal 1200 also includes a power supply 190 (e.g., a battery) for powering the various components, which may be logically coupled to the processor 180 via a power management system that may be used to manage charging, discharging, and power consumption. The power supply 190 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the mobile terminal 1200 may further include a camera (e.g., a front camera, a rear camera), a bluetooth module, and the like, which are not described in detail herein. Specifically, in the present embodiment, the display unit 140 of the mobile terminal 1200 is a touch screen display, and the mobile terminal 1200 further includes a memory 120 and one or more programs, wherein the one or more programs are stored in the memory 120, and the one or more programs configured to be executed by the one or more processors 180 include instructions for:
controlling a light receiving unit of the proximity sensor to collect an external infrared light signal in the environment where the mobile terminal is located;
determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal;
determining a receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal;
when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit a light signal, and the light receiving unit is controlled to receive an infrared light signal according to the receiving time interval.
In some embodiments, the processor 180 is configured to determine a generation time interval of the ambient infrared light signal according to the collected ambient infrared light signal, including:
controlling the light receiving unit to collect an external infrared light signal by taking a first collection time interval as a working cycle;
recording the acquired external infrared light signal as a first received signal record, wherein the first received signal record comprises a signal amplitude and an acquisition time point of each signal point in the external infrared light signal;
processing the first received signal record to mark signal points in the first received signal record with signal amplitudes exceeding a first threshold as first high threshold signal points and signal points in the first received signal record with signal amplitudes below a second threshold as first low threshold signal points;
obtaining a first signal mark record based on the processed first received signal record, wherein the first signal mark record comprises the first high threshold signal point, the first low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the first high threshold signal point and the first low threshold signal point;
and determining the generation time interval of the external infrared light signal according to the first signal mark record.
In some embodiments, the processor 180 is configured to determine the generation time interval of the ambient infrared light signal according to the first signal mark record, and includes:
and determining the time difference between the acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the external infrared light signal.
In some embodiments, the processor 180 is configured to determine the receiving time interval of the light receiving unit according to the generation time interval of the ambient infrared light signal, and includes:
judging whether the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval or not;
and if the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval, determining the first acquisition time interval as the receiving time interval of the light receiving unit.
In some embodiments, the processor 180 is configured to determine a receiving time interval of the light receiving unit according to a generating time interval of the ambient infrared light signal, and further includes:
if the generation time interval of the external infrared light signal is not integral multiple of the first acquisition time interval, adjusting the working period of the light receiving unit to a second acquisition time interval, and controlling the light receiving unit to acquire the external infrared light signal again;
and determining the receiving time interval of the light receiving unit according to the re-collected external infrared light signal.
In some embodiments, the processor 180 is configured to determine the receiving time interval of the light receiving unit according to the re-collected ambient infrared light signal, and includes:
recording the re-collected external infrared light signals as second received signal records, wherein the second received signal records comprise the signal amplitude and the collection time point of each signal point in the re-collected external infrared light signals;
processing the second received signal record to mark signal points in the second received signal record with signal amplitudes exceeding the first threshold as second high threshold signal points and mark signal points in the second received signal record with signal amplitudes below the second threshold as second low threshold signal points;
obtaining a second signal mark record according to the processed second received signal record, wherein the second signal mark record comprises the second high threshold signal point, the second low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the second high threshold signal point and the second low threshold signal point;
determining a time difference between the acquisition time points of two adjacent second high-threshold signal points in the second signal mark record as a generation time interval of the re-acquired external infrared light signal;
judging whether the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval or not;
and if the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval, determining the second collection time interval as the receiving time interval of the light receiving unit.
In some embodiments, the processor 180 is configured to adjust the duty cycle of the light receiving unit to be before the second acquisition time interval, and further includes:
determining a time difference between acquisition time points of two adjacent first low threshold signal points in the first signal mark recording as the second acquisition time interval.
In some embodiments, the processor 180 is configured to control the light receiving unit to collect the external infrared light signal with a first collection time interval as a work cycle, and further includes:
when the light receiving unit collects the external infrared light signals by taking a first collection time interval as a working period and does not collect the external infrared light signals within a preset number of working periods, prolonging the working period of the light receiving unit;
and when the light receiving unit collects the external infrared light signals with the prolonged working period and collects the external infrared light signals for the first time, the working period of the light receiving unit is adjusted to be the first collection time interval.
As can be seen from the above, an embodiment of the present application provides a mobile terminal 1200, where the mobile terminal 1200 performs the following steps: controlling a light receiving unit of the proximity sensor to collect an external infrared light signal in the environment where the mobile terminal is located; determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal; determining a receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal; when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit light signals, the light receiving unit is controlled to receive infrared light signals according to the receiving time interval, the time with more red light can be automatically avoided according to information generated by infrared light of the environment where the mobile terminal is located, and a better time gap is selected for object distance measurement, so that the detection precision of the proximity sensor is improved.
An embodiment of the present application further provides a storage medium, where a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer executes the proximity sensor setting method according to any of the above embodiments.
It should be noted that, for the proximity sensor setting method described in this application, a person skilled in the art may understand that all or part of the process of implementing the proximity sensor setting method described in this application may be implemented by controlling related hardware through a computer program, where the computer program may be stored in a computer readable storage medium, such as a memory of a mobile terminal, and executed by at least one processor in the mobile terminal, and during the execution, the process of implementing the proximity sensor setting method described in this application may include the process of the embodiment of the proximity sensor setting method. The storage medium may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like.
In the proximity sensor installation apparatus according to the embodiment of the present application, each functional module may be integrated into one processing chip, each module may exist alone physically, or two or more modules may be integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, or the like.
The method, the device, the storage medium and the mobile terminal for setting the proximity sensor provided by the embodiment of the application are described in detail above. The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A proximity sensor setting method applied to a mobile terminal having a proximity sensor including a light emitting unit and a light receiving unit, the method comprising:
controlling a light receiving unit of the proximity sensor to collect an external infrared light signal in the environment where the mobile terminal is located;
determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal;
determining a receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal;
when the proximity sensor receives a distance detection request, the light emitting unit is controlled to emit a light signal, and the light receiving unit is controlled to receive an infrared light signal according to the receiving time interval.
2. The proximity sensor setting method according to claim 1, wherein the determining the generation time interval of the external infrared light signal based on the collected external infrared light signal includes:
controlling the light receiving unit to collect an external infrared light signal by taking a first collection time interval as a working cycle;
recording the acquired external infrared light signal as a first received signal record, wherein the first received signal record comprises a signal amplitude and an acquisition time point of each signal point in the external infrared light signal;
processing the first received signal record to mark signal points in the first received signal record with signal amplitudes exceeding a first threshold as first high threshold signal points and signal points in the first received signal record with signal amplitudes below a second threshold as first low threshold signal points;
obtaining a first signal mark record based on the processed first received signal record, wherein the first signal mark record comprises the first high threshold signal point, the first low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the first high threshold signal point and the first low threshold signal point;
and determining the generation time interval of the external infrared light signal according to the first signal mark record.
3. The proximity sensor setting method according to claim 2, wherein said determining the generation time interval of the external infrared light signal based on the first signal flag recording includes:
and determining the time difference between the acquisition time points of two adjacent first high-threshold signal points in the first signal mark record as the generation time interval of the external infrared light signal.
4. The proximity sensor setting method according to claim 3, wherein the determining of the reception time interval of the light receiving unit based on the generation time interval of the external infrared light signal includes:
judging whether the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval or not;
and if the generation time interval of the external infrared light signal is integral multiple of the first acquisition time interval, determining the first acquisition time interval as the receiving time interval of the light receiving unit.
5. The proximity sensor setting method according to claim 4, wherein the determining of the reception time interval of the light receiving unit based on the generation time interval of the external infrared light signal further comprises:
if the generation time interval of the external infrared light signal is not integral multiple of the first acquisition time interval, adjusting the working period of the light receiving unit to a second acquisition time interval, and controlling the light receiving unit to acquire the external infrared light signal again;
and determining the receiving time interval of the light receiving unit according to the re-collected external infrared light signal.
6. The proximity sensor setting method according to claim 5, wherein the determining of the reception time interval of the light receiving unit based on the re-collected outside infrared light signal includes:
recording the re-collected external infrared light signals as second received signal records, wherein the second received signal records comprise the signal amplitude and the collection time point of each signal point in the re-collected external infrared light signals;
processing the second received signal record to mark signal points in the second received signal record with signal amplitudes exceeding the first threshold as second high threshold signal points and mark signal points in the second received signal record with signal amplitudes below the second threshold as second low threshold signal points;
obtaining a second signal mark record according to the processed second received signal record, wherein the second signal mark record comprises the second high threshold signal point, the second low threshold signal point, and a signal amplitude value and an acquisition time point corresponding to the second high threshold signal point and the second low threshold signal point;
determining a time difference between the acquisition time points of two adjacent second high-threshold signal points in the second signal mark record as a generation time interval of the re-acquired external infrared light signal;
judging whether the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval or not;
and if the generation time interval of the re-collected external infrared light signal is integral multiple of the second collection time interval, determining the second collection time interval as the receiving time interval of the light receiving unit.
7. The proximity sensor setting method according to claim 5, further comprising, before the adjusting the duty cycle of the light receiving unit to the second acquisition time interval:
determining a time difference between acquisition time points of two adjacent first low threshold signal points in the first signal mark recording as the second acquisition time interval.
8. The proximity sensor setting method of claim 1, wherein the controlling the light receiving unit to collect the external infrared light signal with a first collection time interval as a duty cycle further comprises:
when the light receiving unit collects the external infrared light signals by taking a first collection time interval as a working period and does not collect the external infrared light signals within a preset number of working periods, prolonging the working period of the light receiving unit;
and when the light receiving unit collects the external infrared light signals with the prolonged working period and collects the external infrared light signals for the first time, the working period of the light receiving unit is adjusted to be the first collection time interval.
9. A proximity sensor providing apparatus, comprising:
the acquisition module is used for controlling the light receiving unit of the proximity sensor to acquire an external infrared light signal in the environment where the mobile terminal is located;
the first determining module is used for determining the generation time interval of the external infrared light signal according to the acquired external infrared light signal;
the second determining module is used for determining the receiving time interval of the light receiving unit according to the generation time interval of the external infrared light signal;
and the control module is used for controlling the light emitting unit to emit light signals and controlling the light receiving unit to receive infrared light signals according to the receiving time interval when the proximity sensor receives a distance detection request.
10. A storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the steps in the proximity sensor setting method according to any one of claims 1 to 8.
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| US9774929B2 (en) * | 2014-09-22 | 2017-09-26 | Itron, Inc. | Infrared proximity sensor control of devices |
| KR102383790B1 (en) * | 2015-05-22 | 2022-04-08 | 삼성전자주식회사 | Environment recognition method and electronic device thereof |
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| CN106375606B (en) * | 2016-11-14 | 2020-05-15 | 青岛海信移动通信技术股份有限公司 | Control method, device and system for display screen of intelligent communication equipment in call state |
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| CN110275213A (en) * | 2018-03-16 | 2019-09-24 | 广东欧珀移动通信有限公司 | A kind of method, apparatus of proximity test, storage medium and electronic equipment |
| CN108873005B (en) * | 2018-06-01 | 2021-11-02 | Oppo广东移动通信有限公司 | Proximity detection method and apparatus, electronic apparatus, storage medium, and device |
| CN108874128B (en) * | 2018-06-01 | 2021-07-23 | Oppo广东移动通信有限公司 | Proximity detection method and apparatus, electronic apparatus, storage medium, and device |
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