CN112559082B - Terminal device, NFC clock control method, NFC module and medium - Google Patents

Terminal device, NFC clock control method, NFC module and medium Download PDF

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Publication number
CN112559082B
CN112559082B CN202011544444.3A CN202011544444A CN112559082B CN 112559082 B CN112559082 B CN 112559082B CN 202011544444 A CN202011544444 A CN 202011544444A CN 112559082 B CN112559082 B CN 112559082B
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clock
module
signal
clock signal
nfc
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CN112559082A (en
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吴雄鹏
盛培培
许凌
黄志鑫
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Xiamen Ziguang Zhanrui Technology Co ltd
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Xiamen Ziguang Zhanrui Technology Co ltd
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Priority to CN202011544444.3A priority Critical patent/CN112559082B/en
Publication of CN112559082A publication Critical patent/CN112559082A/en
Priority to PCT/CN2021/133839 priority patent/WO2022135060A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/06—Clock generators producing several clock signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3228—Monitoring task completion, e.g. by use of idle timers, stop commands or wait commands
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3243—Power saving in microcontroller unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Telephone Function (AREA)

Abstract

A terminal device, an NFC clock control method, an NFC module and a medium are provided, wherein the NFC clock control method comprises the following steps: when triggered by a target task, sending a first clock request signal to a clock signal generation module, and sending data corresponding to the target task to a main control module; receiving a first clock signal, wherein the first clock signal is generated by the clock signal generation module after receiving the first clock request signal; and receiving the indication of the completion of the execution of the target task returned by the main control module, and stopping sending the first clock request signal to the clock signal generation module. The scheme can rapidly provide the clock signal for the NFC module.

Description

Terminal device, NFC clock control method, NFC module and medium
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a terminal device, an NFC clock control method, an NFC module, and a medium.
Background
In the terminal device, the clock signal of the NFC module is usually provided by the host control module. The main control module is provided with a reserved clock signal output pin. In general, to reduce the power consumption of the terminal device, both the NFC module and the host module may be in a sleep state.
In the sleep state, the master control module cannot provide a clock signal to the NFC module. Therefore, when the NFC module is triggered by a task, a clock signal request needs to be sent to the host control module first, where the clock signal request generates an interrupt through a general purpose input/output port (GPIO), and then wakes up the host control module through the interrupt, and the host control module outputs a corresponding clock signal.
In the prior art, a clock signal of the NFC module depends on the host control module, and the clock signal is generated slowly, so that the NFC module cannot be started quickly.
Disclosure of Invention
The embodiment of the invention solves the technical problem that the NFC module cannot be started quickly.
To solve the foregoing technical problem, an embodiment of the present invention provides an NFC clock control method, including: when triggered by a target task, sending a first clock request signal to a clock signal generation module, and sending data corresponding to the target task to a main control module; receiving a first clock signal, wherein the first clock signal is generated by the clock signal generation module after receiving the first clock request signal; and receiving the indication of the completion of the execution of the target task returned by the main control module, and stopping sending the first clock request signal to the clock signal generation module.
Optionally, the NFC clock control method further includes: and after being triggered by the target task, sending a wake-up signal to a main control module, so that the main control module processes data corresponding to the target task after receiving the wake-up signal.
Optionally, after being triggered by the target task, the sending a wake-up signal to the main control module includes: and sending the wake-up signal to the main control module while sending the first clock request signal to the clock signal generation module.
Optionally, the sending the first clock request signal to the clock signal generation module includes: and outputting a high level signal to the clock signal generation module, so that the clock generation module generates and outputs a first clock signal after receiving the high level signal.
Optionally, the stopping sending the first clock request signal to the clock signal generation module includes: and outputting a low level signal to the clock signal generation module, so that the clock generation module stops generating the first clock signal after receiving the low level signal.
In order to solve the above technical problem, an embodiment of the present invention further provides a terminal device, including: NFC module, master control module and clock signal produce the module, wherein: the NFC module is suitable for sending a first clock request signal to the clock signal generation module when triggered by a target task and sending data corresponding to the target task to the main control module; when receiving an instruction of completing the execution of the target task, which is sent by the main control module, stopping sending the first clock request signal to the clock signal generation module; the master control module is suitable for correspondingly processing the data corresponding to the target task after receiving the data corresponding to the target task, and sending an instruction of completing the execution of the target task to the NFC module after the processing is completed; the clock signal generating module is suitable for generating a first clock signal and outputting the first clock signal to the NFC module when the first clock request signal is received; stopping generating the first clock signal when the first clock request signal is not received.
Optionally, the NFC module is further adapted to send a wake-up signal to the host control module after being triggered by the target task.
Optionally, the NFC module is adapted to send a wake-up signal to the host control module while sending the first clock request signal to the clock signal generation module; and the main control module is suitable for waking up after receiving the wake-up signal.
Optionally, the main control module is further adapted to send a second clock request signal to the clock signal generation module after receiving the wake-up signal; the clock signal generation module is further adapted to generate a second clock signal and output the second clock signal to the master control module when the second clock request signal is received.
Optionally, the NFC module sends a first clock request signal to the clock signal generation module as a high-level signal; and when receiving an instruction of completing the execution of the target task, which is sent by the main control module, converting the first clock request signal from a high level signal to a low level signal.
An embodiment of the present invention further provides an NFC module, including: the sending unit is suitable for sending a first clock request signal to the clock signal generating module when triggered by a target task and sending data corresponding to the target task to the main control module; a receiving unit, configured to receive a first clock signal, where the first clock signal is generated by the clock signal generation module after receiving the first clock request signal; and the control unit is used for stopping sending the first clock request signal to the clock signal generation module when receiving the indication that the target task is executed and completed, which is returned by the main control module.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program performs any of the steps of the NFC clock control method described above.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
when triggered by a target task, the NFC module sends a first clock request signal to the clock signal generation module and sends data corresponding to the target task to the master control module. And after receiving the indication of the completion of the execution of the target task returned by the main control module, stopping sending the first clock request to the clock signal generation module. Therefore, in the process of requesting the first clock signal, the NFC module does not need to participate in the process of the host control module, so that the clock signal can be quickly provided for the NFC module, and the NFC module can be quickly started.
Drawings
Fig. 1 is a schematic structural diagram of a terminal device in an embodiment of the present invention;
fig. 2 is a flowchart of an NFC clock control method in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an NFC module in the embodiment of the present invention.
Detailed Description
As described above, in the prior art, the clock signal of the NFC module is generated by the host control module. The main control module needs to add interrupt processing on software, and the clock signal is generated slowly, so that the quick start of the NFC module cannot be realized.
In the embodiment of the invention, the NFC module directly sends the first clock request signal to the clock signal generation module and directly receives the first clock signal output by the clock signal generation module in the process of requesting the first clock signal, so that the process of the master control module is not needed, the clock signal can be quickly provided for the NFC module, and the NFC module can be quickly started.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, a terminal device in an embodiment of the present invention is shown. The specific structure and the workflow of the terminal device will be described in detail below.
In a specific implementation, the terminal device may include an NFC module 101, a host control module 102, and a clock signal generation module 103.
In the embodiment of the present invention, the NFC module 101 may be communicatively connected to the host control module 102 and the clock signal generation module 103. When triggered by the target task, the NFC module 101 may send a first clock request signal to the clock signal generation module 103, and send data corresponding to the target task to the host control module 102. Also, the NFC module 101 may stop sending the first clock request signal to the clock signal generation module 103 when receiving the instruction for completion of execution of the target task, which is sent by the host control module 102.
The main control module 102 may perform corresponding processing on the data corresponding to the target task after receiving the data corresponding to the target task. After completing processing of the data corresponding to the target task, the host control module 102 may send an instruction of completing execution of the target task to the NFC module 101.
When receiving the first clock request signal, the clock signal generation module 103 may generate a corresponding first clock signal and output the first clock signal to the NFC module 101; accordingly, the clock signal generation module 103 may stop generating the first clock signal when the first clock request signal is not received.
The following is a detailed description of a specific workflow of the terminal device provided in the above embodiment of the present invention.
In a specific implementation, the NFC module 101 may be an NFC chip or other NFC-enabled device. The NFC module 101 is triggered by a target task, which may be a task corresponding to a function that can be implemented by the NFC chip. For example, the NFC chip can implement the function of an electronic bus card, and then the target task is: and detecting the task of swiping the bus card. If, the function of electron entrance guard's card can be realized to the NFC chip again, then the target task is: and detecting the task of swiping the access card.
It is to be understood that the target task corresponding to the NFC module 101 may also be other types of tasks, and is not limited to the above example.
In the embodiment of the present invention, before the NFC module 101 receives the target task, the NFC module 101 may be in a sleep state in consideration of power consumption of the terminal device and other factors. After being triggered by the target task, the state of the NFC module 101 switches from the sleep state to the active state.
In a specific implementation, the NFC module 101 may send a first clock request signal to the clock signal generation module 103 after being triggered by the target task.
In the embodiment of the present invention, the first clock request signal sent by the NFC module 101 to the clock signal generation module 103 may be a high level signal. The clock signal generation module 103 may generate and output a first clock signal to the NFC module 101 after receiving the high level signal output by the NFC module 101. The NFC module 101 receives a first clock signal.
In a specific implementation, the main control module 102 may be in a sleep state while the terminal device is in the sleep state. Therefore, the host control module 102 can perform corresponding processing on the data corresponding to the target task sent by the NFC module 101 after the host control module 102 needs to be awakened.
In order to wake up the host control module 102, in the embodiment of the present invention, after being triggered by the target task, the NFC module 101 may further send a wake-up signal to the host control module 102. After receiving the wake-up signal, the main control module 102 may switch from the sleep state to the working state, and perform corresponding processing on data corresponding to the target task. After the host control module 102 completes the corresponding processing of the data corresponding to the target task, it may send an instruction of completing the execution of the target task to the NFC module 101.
In this embodiment of the present invention, the NFC module 101 may send a wake-up signal to the host control module 102 at the same time as sending the first clock request signal to the host control module 102. The NFC module 101 may also send a wake-up signal to the host control module 102 before or after sending the first clock request signal to the host control module 102.
In a specific implementation, the NFC module 101 may stop sending the first clock request signal to the clock signal generation module 103 when receiving the indication that the target task execution is completed, which is sent by the host control module 102. The clock signal generation module 103 stops generating the first clock signal when the first clock request signal is not received.
In this embodiment of the present invention, the NFC module 101 may output a low level signal when receiving an instruction of completing the execution of the target task sent by the host control module 102. The clock signal generating module 103 may stop generating the first clock signal after receiving the low level signal sent by the NFC module 101, so that power consumption of the terminal device may be saved.
That is to say, in the embodiment of the present invention, when the NFC module 101 needs the first clock signal, a high-level signal may be output to the clock signal generation module 103, so that the clock signal generation module 103 generates the first clock signal and outputs the first clock signal to the NFC module 101; conversely, when the NFC module 101 enters the sleep state, a low level signal may be output to the clock signal generation module 103, so that the clock signal generation module 103 stops generating the first clock signal.
In one embodiment, the clock signal of the main control module 102 may also be generated by the clock signal generation module 103.
In the embodiment of the present invention, after receiving the wake-up signal, the main control module 102 may send a second clock request signal to the clock signal generation module 103. After receiving the second clock request signal, the clock signal generation module 103 may generate a second clock signal correspondingly and output the second clock signal to the main control module 102.
The second clock request signal sent by the main control module 102 to the clock signal generation module 103 may be a high level signal.
After the corresponding processing of the data corresponding to the target task is completed, the host control module 102 sends an instruction of completing the execution of the target task to the NFC module 101. If there is no other operation to be executed, the main control module 102 may also enter a sleep state to reduce the power consumption of the terminal device.
In the embodiment of the present invention, the host control module 102 may send a low-level signal to the clock signal generating module 103 when sending the instruction of the completion of the target task execution to the NFC module 101 or after sending the instruction of the completion of the target task execution to the NFC module 101. The clock signal generating module 103 may stop generating the second clock signal after receiving the low level signal sent by the main control module 102.
In a specific implementation, the clock signal generation module 103 may include a crystal oscillator, and the clock signal generation module 103 may control the crystal oscillator to oscillate after receiving the first clock request signal and/or the second clock request signal to output the first clock signal and/or the second clock signal of the corresponding frequency.
In the embodiment of the present invention, after receiving the first clock request signal sent by the NFC module 101, the clock signal generation module 103 may also generate a first clock signal and a second clock signal at the same time, where the first clock signal is output to the NFC module 101, and the second clock signal is output to the host control module 102, so that the host control module 102 does not need to send the second clock request signal to the clock signal generation module 103.
In particular implementations, the main control module 102 may be a main controller or other components capable of implementing control functions. The specific circuit and structure of the clock signal generating module 103 may refer to the existing clock signal generating circuit, which is not described in detail in the embodiments of the present invention.
An embodiment of the present invention further provides an NFC clock control method, which is described in detail below with reference to fig. 2 through specific steps.
In the embodiment of the present invention, the following steps S201 to S203 may be performed by the NFC module.
Step S201, when triggered by a target task, sends a first clock request signal to a clock signal generation module, and sends data corresponding to the target task to a main control module.
In step S202, a first clock signal is received.
Step S203, receiving the indication of the completion of the target task execution returned by the main control module, and stopping sending the first clock request signal to the clock signal generation module.
The NFC module may be an NFC chip or other NFC-enabled device. The NFC module is triggered by a target task, and the target task can be a task corresponding to a function which can be realized by the NFC chip. For example, the NFC chip can implement the function of an electronic bus card, and then the target task is: and detecting the task of swiping the bus card. If, the function of electron entrance guard's card can be realized to the NFC chip again, then the target task is: and detecting the task of swiping the access card.
It is to be understood that the target task corresponding to the NFC module may also be other types of tasks, and is not limited to the above example.
In the embodiment of the present invention, before the NFC module receives the target task, the NFC module may be in a sleep state in consideration of factors such as power consumption of the terminal device. And after being triggered by the target task, the state of the NFC module is switched from the sleep state to the working state.
In a specific implementation, the NFC module may send a first clock request signal to the clock signal generation module after being triggered by the target task.
In the embodiment of the present invention, the first clock request signal sent by the NFC module to the clock signal generation module may be a high level signal. The clock signal generating module may generate and output a first clock signal to the NFC module after receiving the high level signal output by the NFC module. The NFC module receives a first clock signal.
In a specific implementation, the main control module may also be in a sleep state when the terminal device is in the sleep state. Therefore, the master control module can perform corresponding processing on the data corresponding to the target task sent by the NFC module only after the master control module needs to be awakened.
In order to wake up the host control module, in the embodiment of the present invention, the NFC module may further send a wake-up signal to the host control module after being triggered by the target task. After receiving the wake-up signal, the main control module can switch from the sleep state to the working state and correspondingly process the data corresponding to the target task. After the master control module completes corresponding processing on the data corresponding to the target task, the master control module may send an instruction that the target task is completed to the NFC module.
In the embodiment of the present invention, the NFC module may send a wake-up signal to the host control module while sending the first clock request signal to the host control module. The NFC module may also send a wake-up signal to the host module before or after sending the first clock request signal to the host module.
In a specific implementation, the NFC module may stop sending the first clock request signal to the clock signal generation module when receiving the indication that the target task execution is completed, where the indication is sent by the host control module. The clock signal generation module stops generating the first clock signal when the first clock request signal is not received.
In the embodiment of the present invention, the NFC module may output a low level signal when receiving an instruction of completing execution of a target task, which is sent by the host control module. After the clock signal generating module receives the low level signal sent by the NFC module, the clock signal generating module can stop generating the first clock signal, so that the power consumption of the terminal equipment can be saved.
That is to say, in the embodiment of the present invention, when the NFC module needs the first clock signal, a high level signal may be output to the clock signal generation module, so that the clock signal generation module generates the first clock signal and outputs the first clock signal to the NFC module; on the contrary, when the NFC module enters the sleep state, a low level signal may be output to the clock signal generation module, so that the clock signal generation module stops generating the first clock signal.
As can be seen from the above, in the embodiment of the present invention, the NFC module does not need to participate in the process of the host control module in requesting the first clock signal, so that a clock signal can be quickly provided for the NFC module, and the NFC module can be quickly started.
Referring to fig. 3, an NFC module 101 in the embodiment of the present invention is provided, including: a transmitting unit 301, a receiving unit 302, and a control unit 303, wherein:
the sending unit 301 is adapted to send a first clock request signal to the clock signal generation module when triggered by a target task, and send data corresponding to the target task to the main control module;
a receiving unit 302, configured to receive a first clock signal, where the first clock signal is generated by the clock signal generating module after receiving the first clock request signal;
the control unit 303 is configured to stop sending the first clock request signal to the clock signal generation module when receiving an instruction of completion of execution of the target task returned by the main control module.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the NFC clock control method provided in steps S201 to S203 are executed.
In a specific implementation, each module/unit included in each apparatus and product described in the foregoing embodiments may be a software module/unit, may also be a hardware module/unit, or may also be a part of a software module/unit and a part of a hardware module/unit.
For example, for each apparatus and product applied to or integrated into a chip, each module/unit included in the apparatus and product may all be implemented by hardware such as a circuit, or at least a part of the modules/units may be implemented by a software program running on a processor integrated within the chip, and the remaining (if any) part of the modules/units may be implemented by hardware such as a circuit; for each device or product applied to or integrated with the chip module, each module/unit included in the device or product may be implemented by using hardware such as a circuit, and different modules/units may be located in the same component (e.g., a chip, a circuit module, etc.) or different components of the chip module, or at least some of the modules/units may be implemented by using a software program running on a processor integrated within the chip module, and the rest (if any) of the modules/units may be implemented by using hardware such as a circuit; for each device and product applied to or integrated in the terminal, each module/unit included in the device and product may be implemented by using hardware such as a circuit, and different modules/units may be located in the same component (e.g., a chip, a circuit module, etc.) or different components in the terminal, or at least part of the modules/units may be implemented by using a software program running on a processor integrated in the terminal, and the rest (if any) part of the modules/units may be implemented by using hardware such as a circuit.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by instructing the relevant hardware through a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (12)

1. An NFC clock control method, comprising:
when triggered by a target task, sending a first clock request signal to a clock signal generation module, and sending data corresponding to the target task to a main control module;
receiving a first clock signal, wherein the first clock signal is generated by the clock signal generation module after receiving the first clock request signal;
and receiving the indication of the completion of the execution of the target task returned by the main control module, and stopping sending the first clock request signal to the clock signal generation module.
2. The NFC clocking method of claim 1, further comprising:
and after being triggered by the target task, sending a wake-up signal to a main control module, so that the main control module processes data corresponding to the target task after receiving the wake-up signal.
3. The NFC clock control method of claim 2, wherein the sending the wake up signal to the host control module after being triggered by the target task comprises:
and sending the wake-up signal to the main control module while sending the first clock request signal to the clock signal generation module.
4. The NFC clocking method of claim 1, wherein said sending a first clock request signal to the clock signal generation module comprises:
and outputting a high level signal to the clock signal generation module, so that the clock generation module generates and outputs a first clock signal after receiving the high level signal.
5. The NFC clocking method of claim 1, wherein the ceasing to send the first clock request signal to the clock signal generation module comprises:
and outputting a low level signal to the clock signal generation module, so that the clock generation module stops generating the first clock signal after receiving the low level signal.
6. A terminal device, comprising: NFC module, master control module and clock signal produce the module, wherein:
the NFC module is suitable for sending a first clock request signal to the clock signal generation module when triggered by a target task and sending data corresponding to the target task to the master control module;
when receiving an instruction of completing the execution of the target task sent by the main control module, stopping sending the first clock request signal to the clock signal generation module;
the master control module is suitable for correspondingly processing the data corresponding to the target task after receiving the data corresponding to the target task, and sending an instruction of completing the execution of the target task to the NFC module after the processing is completed;
the clock signal generating module is suitable for generating a first clock signal and outputting the first clock signal to the NFC module when the first clock request signal is received; stopping generating the first clock signal when the first clock request signal is not received.
7. The terminal device of claim 6, wherein the NFC module is further adapted to send a wake-up signal to the host control module after being triggered by the target task.
8. The terminal device of claim 7, wherein the NFC module is adapted to send a wake-up signal to the host control module while sending a first clock request signal to the clock signal generation module; and the main control module is suitable for waking up after receiving the wake-up signal.
9. The terminal device of claim 7, wherein the master control module is further adapted to send a second clock request signal to the clock signal generation module after receiving the wake-up signal; the clock signal generation module is further adapted to generate a second clock signal and output the second clock signal to the master control module when the second clock request signal is received.
10. The terminal device according to claim 6, wherein the NFC module transmits the first clock request signal to the clock signal generation module as a high level signal; and when receiving an instruction of completing the execution of the target task, which is sent by the main control module, converting the first clock request signal from a high level signal to a low level signal.
11. An NFC module, comprising:
the sending unit is suitable for sending a first clock request signal to the clock signal generating module when triggered by a target task and sending data corresponding to the target task to the main control module;
a receiving unit, configured to receive a first clock signal, where the first clock signal is generated by the clock signal generation module after receiving the first clock request signal;
and the control unit is used for stopping sending the first clock request signal to the clock signal generation module when receiving the indication that the target task is executed and completed, which is returned by the main control module.
12. A computer-readable storage medium, being a non-volatile storage medium or a non-transitory storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the NFC clocking method of any of claims 1 to 5.
CN202011544444.3A 2020-12-23 2020-12-23 Terminal device, NFC clock control method, NFC module and medium Active CN112559082B (en)

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