WO2018166204A1

WO2018166204A1 - Method for controlling fingerprint recognition module, and mobile terminal and storage medium

Info

Publication number: WO2018166204A1
Application number: PCT/CN2017/106851
Authority: WO
Inventors: 郭子青; 刘平; 王立中; 周海涛
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2017-03-15
Filing date: 2017-10-19
Publication date: 2018-09-20
Also published as: CN106951850B; CN106951850A

Abstract

Provided are a method for controlling a fingerprint recognition module, and a mobile terminal and a storage medium. The method comprises: when it is detected that a user touches a fingerprint recognition module and a Home key mode fails, detecting whether an electrostatic interference event occurs (101); when the electrostatic interference event is detected, controlling the fingerprint recognition module so that same re-enters the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module (102); and when the electrostatic interference event is not detected, controlling the fingerprint recognition module so that same is switched to a fingerprint acquisition mode (103). The fingerprint recognition module can be returned to a normal working state when the Home key mode fails.

Description

Method, mobile terminal and storage medium for controlling fingerprint identification module

Technical field

The present invention relates to the field of electronic devices, and in particular, to a method, a mobile terminal, and a storage medium for controlling a fingerprint identification module.

Background technique

With the rapid development of information technology, the use of mobile terminals (such as mobile phones, tablet computers, etc.) is becoming more and more popular. Fingerprint identification technology, as a standard technology for mobile terminals, has been widely used on mobile terminals.

In the prior art, in the case of the touch fingerprint recognition module, the mobile terminal is not equipped with the Home button on the hardware, and the function of the Home button is simulated by the fingerprint recognition module in the software, because the fingerprint recognition module generally It can't be pressed and can only be touched. Therefore, this kind of fingerprint recognition module that needs to bear the function of fingerprint and Home key at the same time is called touch fingerprint recognition module. Most products on the market use capacitive fingerprint recognition modules, which detect changes in capacitance caused by the proximity of the user's finger lines and provide digital output, but at the same time, capacitive fingerprint recognition The module inevitably has the risk of static interference, which may cause the fingerprint recognition module to malfunction in the Home key mode, causing the user to be unable to operate the Home button for a period of time.

Summary of the invention

The embodiment of the invention provides a method for controlling a fingerprint identification module, a mobile terminal and a storage medium, which can return to a normal working state when the fingerprint identification module fails in the Home key mode.

A first aspect of the embodiments of the present invention provides a method for controlling a fingerprint identification module, including:

If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred;

Controlling the fingerprint recognition module to re-enter the said electrostatic interference event a home key mode, and initializing a capacitive sensing state of the fingerprint recognition module;

When the static interference event is not detected, the fingerprint recognition module is controlled to switch to a fingerprint collection mode.

A second aspect of the embodiments of the present invention provides a mobile terminal, including:

a detecting unit, configured to detect whether a static interference event occurs when the user touches the fingerprint recognition module and the Home key mode fails;

a first control unit, configured to: when detecting the static interference event, control the fingerprint recognition module to re-enter the Home key mode, and initialize a capacitive sensing state of the fingerprint recognition module;

The second control unit is configured to control the fingerprint recognition module to switch to the fingerprint collection mode when the static interference event is not detected.

A third aspect of the embodiments of the present invention provides a mobile terminal, including:

A processor and a memory; wherein the processor performs some or all of the steps of the method described in the first aspect by invoking code or instructions in the memory.

A fourth aspect of the invention discloses a storage medium having program code stored therein, the processor executing some or all of the steps of the method described in the first aspect when the program code is executed.

Embodiments of the present invention have the following beneficial effects:

It can be seen that, when the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred, and when the static interference event is detected, the fingerprint recognition module is re-entered into the home. The key mode initializes the capacitive sensing state of the fingerprint recognition module, and controls the fingerprint recognition module to switch to the fingerprint collection mode when no electrostatic interference event is detected. In this way, when the Home button mode fails, it can quickly return to the normal working state.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the present invention, Those of ordinary skill in the art, without creative efforts, Other drawings can be obtained from these figures.

1 is a schematic flow chart of a first embodiment of a method for controlling a fingerprint identification module according to an embodiment of the present invention;

2 is a schematic flow chart of a second embodiment of a method for controlling a fingerprint identification module according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first embodiment of a mobile terminal according to an embodiment of the present disclosure;

FIG. 3b is a schematic structural diagram of a detecting unit of the mobile terminal depicted in FIG. 3a according to an embodiment of the present disclosure;

FIG. 3c is still another schematic structural diagram of a detecting unit of the mobile terminal depicted in FIG. 3a according to an embodiment of the present disclosure;

4 is a schematic structural diagram of a second embodiment of a mobile terminal according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an embodiment of a mobile phone according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms "first", "second", "third", and "fourth" and the like in the specification and claims of the present invention are used to distinguish different objects, and are not intended to describe a specific order. . Furthermore, the terms "comprises" and "comprising" and "comprising" are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or alternatively Other steps or units inherent to these processes, methods, products or equipment.

References to "an embodiment" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention. The appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art understand explicitly and implicitly that the embodiments described herein may be Its embodiment is combined.

The mobile terminal described in the embodiments of the present invention may include a smart phone (such as an Android mobile phone, an iOS mobile phone, a Windows Phone mobile phone, etc.), a tablet computer, a palmtop computer, a notebook computer, a mobile Internet device (MID, Mobile Internet Devices), or a wearable device. The foregoing is merely an example, and not an exhaustive, including but not limited to the above-described mobile terminal. The Home button of the mobile terminal integrates a fingerprint recognition module, which can be used not only for fingerprint collection but also as a Home button to quickly return to the home page of the mobile terminal.

In the embodiment of the present invention, the fingerprint identification module of the mobile terminal may include the following two working modes: a fingerprint collection mode and a HOME key mode, wherein the fingerprint collection mode includes a normal input and unlock function, which may be defined in the embodiment of the present invention. In the high priority mode of operation, the HOME key mode is a default low priority mode of operation. When the fingerprint recognition module exits the high priority mode, it enters the Home mode. In the HOME key mode, the fingerprint recognition module simulates the pressing and leaving of the HOME key by capacitive sensing and generates a corresponding HOME event. When the fingerprint recognition module is in the HOME key mode, if a sudden static interference is encountered at this time, the working state of the fingerprint recognition module may be abnormal, and thus the function of the HOME key function may be invalid for a period of time, and the user cannot Then touch the Home button to return to the home page of the mobile terminal, thus bringing a significantly bad user experience.

FIG. 1 is a schematic flowchart diagram of a first embodiment of a method for controlling a fingerprint identification module according to an embodiment of the present invention. The method for controlling a fingerprint identification module described in this embodiment includes the following steps:

101. If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred.

Wherein, when the fingerprint recognition module is in the Home key mode, at this time, if the user touches the fingerprint recognition module (the user can be considered to press the Home button), the capacitance value of the fingerprint recognition module changes, so that the sensor can be sensed. The user touched the fingerprint recognition module. In some cases, for example, the Home button mode fails, the mobile terminal can detect whether a static interference event has occurred. If it occurs, a relatively strong magnetic field may appear around it. For example, there may be a magnet away from the fingerprint recognition module. Very close, it is also possible, at this time, the mobile terminal is in a state of charge, and at this time, the external current is involved, causing the finger The pattern recognition module is subject to static electricity.

Optionally, in the foregoing step 101, detecting whether an electrostatic interference event occurs may include the following steps:

11), obtaining the current environmental magnetic field strength;

12) determining that the static interference event occurs when the current ambient magnetic field strength is greater than a first predetermined threshold.

Wherein, the Hall sensor can be installed in the mobile terminal, thereby detecting the magnetic field strength in the environment, and thus, the current environmental magnetic field strength can be obtained. The first preset threshold may be set by the user, or the system defaults. Generally, the first preset threshold may be an empirical value, which is obtained by the mobile terminal manufacturer in advance and configured in the mobile terminal. When the current ambient magnetic field strength is greater than the first preset threshold, the static interference event occurs on the mobile terminal.

13) acquiring a set of capacitance values collected by the fingerprint identification module;

14) determining whether the set of capacitance values meets a preset rule, and determining that the static interference event occurs when the set of capacitance values does not meet the preset rule.

Wherein, when the user touches the fingerprint recognition module, the capacitance value can be collected by the fingerprint recognition module. Since the fingerprint recognition module includes a plurality of capacitors, a plurality of capacitance values can be obtained, and the plurality of capacitance values can be called Combine for capacitance values. Under normal circumstances, in the case of no static interference, the set of capacitance values will show a certain regularity, that is, the preset law. If the set of capacitance values conforms to the preset law, the mobile terminal is not subjected to static interference, that is, no static electricity occurs. Interference events, and if the set of capacitance values does not conform to the preset rule, the mobile terminal is not subject to static interference, that is, an electrostatic interference event occurs.

Optionally, in the foregoing step 14, determining whether the set of capacitance values meets a preset rule may include the following steps:

141) converting the capacitance value into a histogram;

142) converting the histogram into a target curve;

143) calculating a similarity between the target curve and the preset curve;

144) determining that the set of capacitance values conforms to the preset rule when the similarity is in a preset range.

In step 141, the capacitance value may be quantized first, and then the quantized capacitance value is converted into a histogram. Since the capacitance value collected by the fingerprint recognition module is a very accurate decimal point under normal circumstances, It needs to be quantized, that is, the capacitance value is quantized to different levels. In step 142, the histogram can be abstracted into a target curve. For example, after being converted into a histogram, the histogram can be fitted, thereby obtaining a target curve. The above preset curve is a curve in the case of normal acquisition, and the preset curve can be stored in advance before step 101. For example, the fingerprint identification module collects 100 sets of capacitance values, and the set of 100 sets of capacitance values can correspond to 100 curves, and the 100 curves can be trained as a preset curve. For example, 100 trains are trained by the trainer. The above preset range can be set by the user or the system defaults. Thus, in step 143, the similarity between the target curve and the preset curve may be calculated, and the similarity may be a specific value. Therefore, in step 144, if the similarity is in the preset range, the capacitance value set is consistent. The preset law, the similarity is not in the preset range, indicating that the set of capacitance values does not conform to the preset law.

102. When detecting the static interference event, control the fingerprint recognition module to re-enter the Home key mode, and initialize a capacitive sensing state of the fingerprint identification module.

If the mobile terminal detects the static interference event, the mobile terminal can perform mode scheduling, and re-control the fingerprint recognition module to enter the Home key mode. Since the capacitive sensing state of the fingerprint recognition module is disturbed by static electricity, the fingerprint identification can be initialized. The capacitive sensing state of the module can enhance the anti-jamming capability of the mobile terminal, thereby ensuring that the fingerprint recognition module can continue to work stably.

103. Control the fingerprint identification module to switch to a fingerprint collection mode when the static interference event is not detected.

When the mobile terminal does not detect the static interference event, the user may be in order to collect the fingerprint image. Therefore, the fingerprint recognition module of the mobile terminal may be switched to the fingerprint collection mode. In the fingerprint collection mode, the fingerprint recognition mode is used. The group can collect fingerprint images.

Alternatively, the mobile terminal can be set such that the fingerprint acquisition mode has a higher priority than the Home key mode. Thus, in the fingerprint collection mode, if it is subjected to static interference, it may fail to acquire a frame of fingerprint image. However, after the fingerprint image acquisition fails, the fingerprint image may continue to be collected, so as to ensure rapid acquisition of the fingerprint image without being The fingerprint recognition module also stops working in the fingerprint collection mode.

Optionally, in the foregoing step 102, when the static interference event is detected, the following steps may be further included:

When the current state of the mobile terminal is in a charging state, detecting whether the charging current is stable;

When the charging current is stable, performing the control of the fingerprint recognition module to re-enter the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module.

Wherein, the fingerprint recognition module has an electrostatic interference event, which may be caused by the intervention of the external charging current. Therefore, when the static interference event is detected, the charging current is detected to be stable. If it is stable, the mobile terminal is in a normal charging state. The fingerprint recognition module can be controlled to re-enter the Home key mode and initialize the capacitive sensing state of the fingerprint recognition module. When the charging current is unstable, it is necessary to wait. When the charging current is stable, the fingerprint recognition module is controlled to re-enter the Home key mode, and the capacitance sensing state of the fingerprint recognition module is initialized. The mobile terminal can detect whether the charging current is stable every preset time interval, and the preset time interval can be understood as the detection frequency, and the detection frequency can be set by the system default or by the user.

Further optionally, whether the foregoing detecting the charging current is stable may include the following steps:

Receiving a message sent by the adapter, the message carrying a current state;

When the current state is a steady state, it is determined that the charging current is stable.

In this way, it is possible to detect whether the charging current is stable by the adapter.

In accordance with the above, please refer to FIG. 2, which is a schematic flowchart diagram of a second embodiment of a method for controlling a fingerprint identification module according to an embodiment of the present invention. The method for controlling a fingerprint identification module described in this embodiment includes the following steps:

201. If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred.

202. Detect an environmental magnetic field strength when the electrostatic interference event is detected.

Wherein, the Hall sensor can be installed in the mobile terminal, thereby detecting the magnetic field strength in the environment, and thus, the environmental magnetic field strength can be obtained. Of course, the mobile terminal can detect the environmental magnetic field every preset time interval. The field strength, the preset time interval can be set by the user, or the system defaults, the preset time interval can be understood as the detection frequency, that is, the ambient magnetic field strength is detected according to the detection frequency.

203. When the ambient magnetic field strength is less than a second preset threshold, control the fingerprint recognition module to re-enter the Home key mode, and initialize a capacitive sensing state of the fingerprint identification module.

The second preset threshold may be set by the user or the system defaults. When the ambient magnetic field strength is less than the second preset threshold, the fingerprint recognition module is controlled to re-enter the Home key mode, and the capacitive sensing state of the fingerprint recognition module is initialized. When the ambient magnetic field strength is greater than or equal to the second preset threshold, step 203 is not performed. It can be understood that, at this time, the magnetic field strength in the environment is still strong, and it is not convenient to schedule back to the Home key mode.

204. Control the fingerprint identification module to switch to a fingerprint collection mode when the static interference event is not detected.

For a detailed description of the foregoing step 201, step 203-step 204, reference may be made to the corresponding step of the method for controlling the fingerprint identification module described in FIG.

It can be seen that, by detecting that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event occurs, and an electrostatic interference event is detected and the ambient magnetic field strength is less than a second preset threshold. When the fingerprint recognition module is controlled to re-enter the Home key mode, and the capacitance sensing state of the fingerprint recognition module is initialized, when the static interference event is not detected, the fingerprint recognition module is controlled to switch to the fingerprint collection mode. In this way, when the Home button mode fails, it can quickly return to the normal working state.

Consistent with the above, the following is an apparatus for implementing the above method for controlling a fingerprint identification module, as follows:

FIG. 3 is a schematic structural diagram of a first embodiment of a mobile terminal according to an embodiment of the present invention. The mobile terminal described in this embodiment includes: a detecting unit 301, a first control unit 302, and a second control unit 303, as follows:

The detecting unit 301 is configured to detect whether a static interference event occurs when the user touches the fingerprint recognition module and the Home key mode fails.

The first control unit 302 is configured to control the fingerprint recognition module to re-enter the Home key mode when the static interference event is detected, and initialize a capacitive sensing state of the fingerprint identification module. state;

The second control unit 303 is configured to control the fingerprint recognition module to switch to the fingerprint collection mode when the static interference event is not detected.

Optionally, as shown in FIG. 3b, FIG. 3b is a specific refinement structure of the detecting unit 301 described in FIG. 3a, and the detecting unit 301 may include: a first obtaining module 3011 and a first determining module 3012, as follows:

The first obtaining module 3011 is configured to acquire a current ambient magnetic field strength;

The first determining module 3012 is configured to determine that the static interference event occurs when the current ambient magnetic field strength is greater than a first preset threshold.

Optionally, as shown in FIG. 3c, FIG. 3c is a specific refinement structure of the detecting unit 301 described in FIG. 3a, and the detecting unit 301 may include: a second obtaining module 3013 and a judging module 3014, as follows:

The second obtaining module 3013 is configured to acquire a set of capacitance values collected by the fingerprint identification module;

The determining module 3014 is configured to determine whether the set of capacitance values meets a preset rule. When the determining result of the determining module 3014 is that the set of capacitance values does not meet the preset rule, determining that the static interference event occurs .

Further, optionally, the determining module 3014 may include: a conversion module (marked in the figure), a calculation module (marked in the figure), and a second determination module (marked in the figure), as follows:

a conversion module, configured to convert the capacitance value into a histogram;

The conversion module is further configured to convert the histogram into a target curve;

a calculation module, configured to calculate a similarity between the target curve and the preset curve;

And a second determining module, configured to determine, when the similarity is in a preset range, that the set of capacitance values meets the preset rule.

Optionally, the first control unit 301 is specifically configured to:

When the ambient magnetic field strength is less than the second predetermined threshold, performing the control of the fingerprint recognition module to re-enter the Home key mode.

It can be seen that, when the mobile terminal described in the embodiment of the present invention detects that the user touches the fingerprint recognition module and the Home key mode fails, it detects whether an electrostatic interference event has occurred, and controls the fingerprint identification when an electrostatic interference event is detected. The module re-enters the Home button mode and initializes the capacitive sensing state of the fingerprint recognition module. When no static interference event is detected, the control fingerprint recognition module switches to Fingerprint acquisition mode. In this way, when the Home button mode fails, it can quickly return to the normal working state.

With reference to FIG. 4, it is a schematic structural diagram of a second embodiment of a mobile terminal according to an embodiment of the present invention. The mobile terminal described in this embodiment includes: at least one input device 1000; at least one output device 2000; at least one processor 3000, such as a CPU; and a memory 4000, the input device 1000, the output device 2000, the processor 3000, and The memory 4000 is connected by a bus 5000.

The input device 1000 may be a touch panel, a physical button, or a mouse.

The output device 2000 described above may specifically be a display screen.

The above memory 4000 may be a high speed RAM memory or a non-volatile memory such as a magnetic disk memory. The above memory 4000 is used to store a set of program codes, and the input device 1000, the output device 2000, and the processor 3000 are used to call the program code stored in the memory 4000, and perform the following operations:

The processor 3000 is configured to:

When detecting the static interference event, controlling the fingerprint recognition module to re-enter the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module;

Optionally, the processor 3000 detects whether an electrostatic interference event occurs, including:

Obtain the current ambient magnetic field strength;

The static interference event is determined to occur when the current ambient magnetic field strength is greater than a first predetermined threshold.

Obtaining a set of capacitance values collected by the fingerprint identification module;

Determining whether the set of capacitance values conforms to a preset rule, and determining that the static interference event occurs when the set of capacitance values does not meet the preset rule.

Optionally, the processor 3000 determines whether the set of capacitance values meets a preset rule, including:

Converting the capacitance value into a histogram;

Converting the histogram into a target curve;

Calculating a similarity between the target curve and the preset curve;

When the similarity is in a preset range, determining that the set of capacitance values conforms to the preset rule.

Optionally, the processor 3000 is further configured to:

FIG. 5 is a block diagram showing a partial structure of a mobile phone related to a mobile terminal provided by an embodiment of the present invention. Referring to FIG. 5, the mobile phone includes: a radio frequency (RF) circuit 510, a memory 520, an input unit 530, a display unit 540, a sensor 550, an audio circuit 560, a Wireless Fidelity (Wi-Fi) module 570, and processing. Device 580, and components such as power supply 590. It will be understood by those skilled in the art that the structure of the handset shown in FIG. 5 does not constitute a limitation to the handset, and may include more or less components than those illustrated, or some components may be combined, or different components may be arranged.

The following describes the components of the mobile phone in detail with reference to FIG. 5:

The RF circuit 510 can be used for receiving and transmitting signals during the transmission or reception of information or during a call. Specifically, after receiving the downlink information of the base station, it is processed by the processor 580. In addition, the uplink data is designed to be sent to the base station. Generally, RF circuit 510 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, RF circuitry 510 can also communicate with the network and other devices via wireless communication. The above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.

The memory 520 can be used to store software programs and modules, and the processor 580 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 520. The memory 520 can mainly include a storage program area and a storage data area, wherein the storage program area can store operations The system, at least one function required application (such as sound playback function, image playback function, etc.); the storage data area can store data (such as audio data, phone book, etc.) created according to the use of the mobile phone. Moreover, memory 520 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The input unit 530 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset. Specifically, the input unit 530 may include a touch panel 531 and other input devices 532. The touch panel 531, also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 531 or near the touch panel 531. Operation), and drive the corresponding connecting device according to a preset program. Optionally, the touch panel 531 can include two parts: a touch detection device and a touch controller. Wherein, the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information. The processor 580 is provided and can receive commands from the processor 580 and execute them. In addition, the touch panel 531 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 531, the input unit 530 may also include other input devices 532. Specifically, other input devices 532 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.

The display unit 540 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone. The display unit 540 can include a display panel 541. Alternatively, the display panel 541 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like. Further, the touch panel 531 can cover the display panel 541. When the touch panel 531 detects a touch operation on or near it, the touch panel 531 transmits to the processor 580 to determine the type of the touch event, and then the processor 580 according to the touch event. The type provides a corresponding visual output on display panel 541. Although the touch panel 531 and the display panel 541 are used as two independent components to implement the input and input functions of the mobile phone in FIG. 5, in some embodiments, the touch panel 531 and the display panel 541 may be integrated. Realize the input and output functions of the phone.

The handset may also include at least one type of sensor 550, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light The sensor can adjust the brightness of the display panel 541 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 541 and/or the backlight when the mobile phone moves to the ear. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.

Audio circuit 560, speaker 561, and microphone 562 provide an audio interface between the user and the handset. The audio circuit 560 can transmit the converted electrical data of the received audio data to the speaker 561, and convert it into a sound signal output by the speaker 561. On the other hand, the microphone 562 converts the collected sound signal into an electrical signal, and the audio circuit 560 is used by the audio circuit 560. After receiving, it is converted into audio data, and then processed by the audio data output processor 580, sent to the other mobile phone via the RF circuit 510, or outputted to the memory 520 for further processing.

WiFi is a short-range wireless transmission technology, and the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 570, which provides users with wireless broadband Internet access. Although FIG. 5 shows the WiFi module 570, it can be understood that it does not belong to the essential configuration of the mobile phone, and may be omitted as needed within the scope of not changing the essence of the invention.

The processor 580 is the control center of the handset, and connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 520, and invoking data stored in the memory 520, executing The phone's various functions and processing data, so that the overall monitoring of the phone. Optionally, the processor 580 may include one or more processing units; preferably, the processor 580 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like. The modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 580.

The handset also includes a power source 590 (such as a battery) that supplies power to the various components. Preferably, the power source can be logically coupled to the processor 580 via a power management system to manage functions such as charging, discharging, and power management through the power management system.

Although not shown, the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.

In the foregoing embodiments, each step method flow may be implemented based on the structure of the terminal. Where the sensor The 550 can include a proximity sensor and a humidity sensor, and the touch panel 531 can be used as a fingerprint recognition module.

The embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium can store a program, and the program includes some or all of the steps of the method for controlling the fingerprint identification module described in the foregoing method embodiments. .

Although the present invention has been described herein in connection with the embodiments of the present invention, it will be understood by those skilled in the <RTIgt; Other variations of the disclosed embodiments are achieved. In the claims, the word "comprising" does not exclude other components or steps, and "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill several of the functions recited in the claims. Certain measures are recited in mutually different dependent claims, but this does not mean that the measures are not combined to produce a good effect.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code. The computer program is stored/distributed in a suitable medium, provided with other hardware or as part of the hardware, or in other distributed forms, such as over the Internet or other wired or wireless telecommunication systems.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of the methods, apparatus, and computer program products of the embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that it is stored in the computer readable memory. The instructions produce an article of manufacture comprising an instruction device that implements the functions specified in a block or blocks of a flow or a flow and/or a block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

While the invention has been described with respect to the specific embodiments and embodiments thereof, various modifications and combinations may be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are to be construed as the It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims

A method for controlling a fingerprint identification module, comprising:

If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred;

When detecting the static interference event, controlling the fingerprint recognition module to re-enter the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module;

When the static interference event is not detected, the fingerprint recognition module is controlled to switch to a fingerprint collection mode.
The method according to claim 1, wherein the detecting whether an electrostatic interference event has occurred comprises:

Obtain the current ambient magnetic field strength;

The static interference event is determined to occur when the current ambient magnetic field strength is greater than a first predetermined threshold.
The method according to claim 1, wherein the detecting whether an electrostatic interference event has occurred comprises:

Obtaining a set of capacitance values collected by the fingerprint identification module;

Determining whether the set of capacitance values conforms to a preset rule, and determining that the static interference event occurs when the set of capacitance values does not meet the preset rule.
The method according to claim 3, wherein the determining whether the set of capacitance values conforms to a preset rule comprises:

Converting the capacitance value into a histogram;

Converting the histogram into a target curve;

Calculating a similarity between the target curve and the preset curve;

When the similarity is in a preset range, determining that the set of capacitance values conforms to the preset rule.
The method according to any one of claims 1 to 4, further comprising:

When the ambient magnetic field strength is less than the second predetermined threshold, performing the control of the fingerprint recognition module to re-enter the Home key mode.
A mobile terminal, comprising:

a detecting unit, configured to detect whether a static interference event occurs when the user touches the fingerprint recognition module and the Home key mode fails;

a first control unit, configured to: when detecting the static interference event, control the fingerprint recognition module to re-enter the Home key mode, and initialize a capacitive sensing state of the fingerprint recognition module;

The second control unit is configured to control the fingerprint recognition module to switch to the fingerprint collection mode when the static interference event is not detected.
The mobile terminal according to claim 6, wherein the detecting unit comprises:

a first obtaining module, configured to acquire a current ambient magnetic field strength;

The first determining module is configured to determine that the static interference event occurs when the current ambient magnetic field strength is greater than a first predetermined threshold.
The mobile terminal according to claim 6, wherein the detecting unit comprises:

a second acquiring module, configured to acquire a set of capacitance values collected by the fingerprint identification module;

The determining module is configured to determine whether the set of capacitance values meets a preset rule. When the determining result of the determining module is that the set of capacitance values does not meet the preset rule, determining that the static interference event occurs.
The mobile terminal according to claim 8, wherein the determining module comprises:

a conversion module, configured to convert the capacitance value into a histogram;

The conversion module is further configured to convert the histogram into a target curve;

a calculation module, configured to calculate a similarity between the target curve and the preset curve;

And a second determining module, configured to determine, when the similarity is in a preset range, that the set of capacitance values meets the preset rule.
The mobile terminal according to any one of claims 6 to 9, wherein the first control unit is specifically configured to:

When the ambient magnetic field strength is less than the second predetermined threshold, performing the control of the fingerprint recognition module to re-enter the Home key mode.
A mobile terminal, comprising:

a processor and a memory; wherein the processor performs the following operations by calling code or instructions in the memory:

If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred;

When detecting the static interference event, controlling the fingerprint recognition module to re-enter the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module;

When the static interference event is not detected, the fingerprint recognition module is controlled to switch to a fingerprint collection mode.
The mobile terminal according to claim 11, wherein the detecting whether an electrostatic interference event has occurred comprises:

Obtain the current ambient magnetic field strength;

The static interference event is determined to occur when the current ambient magnetic field strength is greater than a first predetermined threshold.
The mobile terminal according to claim 11, wherein the detecting whether an electrostatic interference event has occurred comprises:

Obtaining a set of capacitance values collected by the fingerprint identification module;

Determining whether the set of capacitance values conforms to a preset rule, and determining that the static interference event occurs when the set of capacitance values does not meet the preset rule.
The mobile terminal according to claim 13, wherein the determining whether the set of capacitance values conforms to a preset rule comprises:

Converting the capacitance value into a histogram;

Converting the histogram into a target curve;

Calculating a similarity between the target curve and the preset curve;

When the similarity is in a preset range, determining that the set of capacitance values conforms to the preset rule.
The mobile terminal according to any one of claims 11 to 14, wherein the processor further performs the following operations:

When the ambient magnetic field strength is less than the second predetermined threshold, performing the control of the fingerprint recognition module to re-enter the Home key mode.
A storage medium, wherein the storage medium stores program code, and when the program code is executed, the processor performs the following operations:

If it is detected that the user touches the fingerprint recognition module and the Home key mode fails, it is detected whether an electrostatic interference event has occurred;

When detecting the static interference event, controlling the fingerprint recognition module to re-enter the Home key mode, and initializing a capacitive sensing state of the fingerprint recognition module;

When the static interference event is not detected, the fingerprint recognition module is controlled to switch to a fingerprint collection mode.
The storage medium according to claim 16, wherein the detecting whether an electrostatic interference event has occurred includes:

Obtain the current ambient magnetic field strength;

The static interference event is determined to occur when the current ambient magnetic field strength is greater than a first predetermined threshold.
A storage medium according to claim 16, wherein said detecting occurs Electrostatic interference events, including:

Obtaining a set of capacitance values collected by the fingerprint identification module;

Determining whether the set of capacitance values conforms to a preset rule, and determining that the static interference event occurs when the set of capacitance values does not meet the preset rule.
The storage medium according to claim 16, wherein the determining whether the set of capacitance values conforms to a preset rule comprises:

Converting the capacitance value into a histogram;

Converting the histogram into a target curve;

Calculating a similarity between the target curve and the preset curve;

When the similarity is in a preset range, determining that the set of capacitance values conforms to the preset rule.
The storage medium according to any one of claims 16 to 19, wherein the processor further performs the following operations:

When the ambient magnetic field strength is less than the second predetermined threshold, performing the control of the fingerprint recognition module to re-enter the Home key mode.