WO2021017147A1 - 一种无线耳机串口控制方法、装置及无线耳机和存储介质 - Google Patents

一种无线耳机串口控制方法、装置及无线耳机和存储介质 Download PDF

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WO2021017147A1
WO2021017147A1 PCT/CN2019/108790 CN2019108790W WO2021017147A1 WO 2021017147 A1 WO2021017147 A1 WO 2021017147A1 CN 2019108790 W CN2019108790 W CN 2019108790W WO 2021017147 A1 WO2021017147 A1 WO 2021017147A1
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WIPO (PCT)
Prior art keywords
wireless headset
serial port
preset condition
charging box
wireless
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PCT/CN2019/108790
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English (en)
French (fr)
Inventor
杨培
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Goertek Inc
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Goertek Inc
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Priority to US17/613,576 priority Critical patent/US11985468B2/en
Publication of WO2021017147A1 publication Critical patent/WO2021017147A1/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0002—Serial port, e.g. RS232C
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • This application relates to the field of earphone technology, and more specifically, to a method and device for controlling a wireless earphone serial port, a wireless earphone, and a computer-readable storage medium.
  • TWS full name in Chinese: True Wireless
  • TWS technology refers to the Connect the main earphone, and then connect the main earphone to the slave earphone wirelessly via Bluetooth to achieve true wireless separation of the left and right channels of Bluetooth.
  • serial communication is usually used to realize the information status interaction between the headset and the headset box.
  • the serial communication will cause the wireless headset to consume more power, which in turn leads to a shorter standby time for the wireless headset.
  • the purpose of this application is to provide a wireless headset serial port control method and device, a wireless headset and a computer-readable storage medium, which reduce the power consumption of the wireless headset.
  • this application provides a method for controlling the serial port of a wireless headset, including:
  • the serial port function of the wireless headset When the first preset condition is met, control the serial port function of the wireless headset to close; wherein, the first preset condition includes that the wireless headset is outside the charging box, or the wireless headset is inside the charging box and The charging box is in a closed state;
  • the method further includes:
  • the wireless headset after setting the RX/TX interface of the wireless headset as a normal IO port, it also includes:
  • the method further includes:
  • the method further includes:
  • the determining that the first preset condition is satisfied includes:
  • the countdown of the preset duration is started, and when the countdown ends, it is determined that the first preset condition is satisfied.
  • this application provides a wireless headset serial port control device, including:
  • the first control module is configured to control the serial port function of the wireless headset to be turned off when the first preset condition is met; wherein, the first preset condition includes that the wireless headset is outside the charging box, or the wireless headset In the charging box and the charging box is in a closed state;
  • the second control module is configured to control the serial port function of the wireless headset to be turned on when a second preset condition is met; wherein, the second preset condition includes that the wireless headset is in the charging box and the charging The box is in an open state.
  • the setting module is used to set the RX/TX interface of the wireless headset to a common IO port when the second preset condition is met.
  • this application provides a wireless headset, including:
  • Memory used to store computer programs
  • the processor is used to implement the steps of the wireless headset serial port control method when executing the computer program.
  • the present application provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above-mentioned wireless headset serial port control method are realized.
  • a wireless headset serial port control method includes: when a first preset condition is met, controlling the serial port function of the wireless headset to close; wherein, the first preset condition includes the The wireless headset is outside the charging box, or the wireless headset is in the charging box and the charging box is in a closed state; when a second preset condition is met, the serial port function of the wireless headset is controlled to be turned on; The second preset condition includes that the wireless earphone is in the charging box and the charging box is in an open state.
  • the wireless headset serial port control method controls the serial communication function of the wireless headset through the detection of the switch cover of the charging box and the detection of the wireless headset in place, that is, when the wireless headset is outside the charging box or the wireless headset is in the charging box And when the charging box is in the closed state, the serial port function is turned off, which reduces the power consumption caused by the serial port function, thereby increasing the standby time of the wireless headset.
  • the application also discloses a wireless headset serial port control device, a wireless headset and a computer-readable storage medium, which can also achieve the above technical effects.
  • Figure 1 is an architecture diagram of a wireless headset serial port control system
  • Figure 2 is a communication architecture diagram of a wireless headset and a charging box
  • Fig. 3 is a flowchart showing a method for controlling a serial port of a wireless headset according to an exemplary embodiment
  • Fig. 4 is a flowchart showing another method for controlling a serial port of a wireless headset according to an exemplary embodiment
  • Figure 5 is a control flow chart on the charging box side
  • Figure 6 is a control flow chart of the wireless headset side
  • Fig. 7 is a structural diagram showing a serial port control device for wireless earphones according to an exemplary embodiment
  • Fig. 8 is a structural diagram of a wireless headset according to an exemplary embodiment.
  • the power consumption of the wireless headset is relatively high.
  • serial communication is usually used to realize the information status interaction between the wireless headset and the charging box.
  • the wireless headset serial communication is working normally, it is difficult to enter a completely low power consumption state (tens of uA), which will bring a power consumption of several hundred uA to 1mA, which has a great impact on the overall standby power consumption of the wireless headset .
  • the serial port function when the preset condition is met, that is, when the wireless earphone does not need to interact with the charging box, the serial port function is turned off to reduce the power consumption caused by the serial port function, thereby increasing the standby time of the wireless earphone.
  • the system to which it is applied is first introduced.
  • the mobile phone and the master headset are connected through Bluetooth
  • the master headset and the slave headset are connected through TWS
  • the master headset and the slave headset are connected to the charging box through a serial port.
  • the serial port includes VBUS, RX (send, transport)/TX (receive), GND, that is, the headset and the charging box interact through three electrical contacts.
  • the internal structure of the wireless headset and charging box is shown in Figure 2.
  • the charging box includes a communication module, a single serial port circuit and an IO control module.
  • the wireless headset includes an IO control module, a single serial port circuit, a communication module and a headset status processing module.
  • the embodiment of the application discloses a method for controlling the serial port of a wireless headset, which reduces the power consumption of the wireless headset.
  • a flow chart of a method for controlling a serial port of a wireless headset includes:
  • the wireless headset does not need to interact with the charging box.
  • the serial port function is turned off, and the RX/TX interface of the wireless headset is set to a normal IO port to reduce power consumption .
  • the first preset condition here includes that the wireless earphone is outside the charging box, the wireless earphone is inside the charging box, and the charging box is in a closed state.
  • the wireless headset needs to interact with the charging box, that is, the wireless headset is in the box state and the charging box is in the open state, and the serial port function is enabled at this time.
  • the following functions can be achieved through serial communication:
  • the charging box displays the power status of the wireless headset: full power, normal power, low power;
  • the charging box When the wireless headset is in the charging box, after the charging box is opened, the charging box sends an idle code to the wireless headset.
  • the wireless headset receives the idle code, it triggers the interrupt of the RX/TX interface to enable the serial port function of the RX/TX interface , To realize the information interaction between the wireless headset and the charging box. That is, before the serial port function for controlling the wireless headset is turned on, the method further includes: receiving an idle code sent by the headset box, and triggering an interrupt of the RX/TX interface.
  • the wireless headset serial port control method controls the serial communication function of the wireless headset through the detection of the switch cover of the charging box and the detection of the wireless headset in place, that is, when the wireless headset is outside the charging box or the wireless headset is charging When in the box and the charging box is in the closed state, the serial port function is closed, which reduces the power consumption caused by the serial port function, thereby increasing the standby time of the wireless headset.
  • the embodiment of the present application discloses a method for controlling a serial port of a wireless headset. Compared with the previous embodiment, this embodiment further illustrates and optimizes the technical solution. specific:
  • a flowchart of another method for controlling a serial port of a wireless headset according to an exemplary embodiment, as shown in Fig. 2, includes:
  • S201 Detect whether there is a preset voltage value in VBUS; if yes, go to S202; if not, go to S204;
  • This embodiment introduces the process of detecting the first preset condition and the second preset condition.
  • the IO control module in the wireless headset obtains the VBUS voltage, and transmits it to the headset state processing module after D/A conversion (digital-to-analog conversion, converting digital signals to analog signals), and the headset state processing module detects whether the VBUS voltage It is a preset voltage value, which is generally 5V for wireless headphones. If yes, it means that the wireless earphone is in the box state and go to S202. If not, it means that the wireless earphone is out of the charging box and go to S204.
  • S202 Determine that the wireless headset is in the charging box, and determine that the second preset condition is satisfied
  • the wireless earphone is in the charging box.
  • a cover-closing instruction is sent to the wireless earphone.
  • a countdown of a preset duration such as 10s, can be set.
  • this step includes: opening the countdown for the preset duration after receiving the lid closing instruction of the charging box, and when the countdown ends, determining that the first preset condition is satisfied, and entering S205.
  • S204 Determine that the wireless headset is outside the charging box, and determine that the first preset condition is satisfied.
  • the wireless headset is outside the charging box, it is determined that the first preset condition is satisfied, and S205 is entered.
  • Step 1 After detecting that the headset is in the box, first send the 0xFF idle code to activate the headset serial communication function, and then send the headset into the box command to the headset;
  • Step 2 After closing the cover of the charging box, send a cover-close command to the headset;
  • Step 3 After opening the cover of the charging box, first send the 0xFF idle code to activate the headset serial communication function, and then send the cover-open command to the headset.
  • Step 1 Detect the out-of-box action of the wireless earphone by detecting the VBUS voltage
  • Step 2 After the headset is out of the box, turn off the serial port function, set RX and TX as ordinary IO ports, and turn on the RX interrupt enable;
  • Step 3 When the headset is put into the box, the charging box will send an idle code to the headset, trigger an interrupt, and turn on the serial port function;
  • Step 4 When the earphone puts into the box and receives the cover-close command of the charging box, turn on the timer, turn off the serial port function after 10 seconds, set RX and TX as ordinary IO ports, and turn on the RX interrupt enable;
  • Step 5 After the charging box is opened, the charging box will send an idle code to the headset, trigger an interrupt, and enable the headset serial port function.
  • the following describes a wireless headset serial port control device provided by an embodiment of the present application.
  • the wireless headset serial port control device described below and the wireless headset serial port control method described above can be cross-referenced.
  • FIG. 7 a structural diagram of a wireless earphone serial port control device according to an exemplary embodiment, as shown in FIG. 7, includes:
  • the first control module 701 is configured to control the serial port function of the wireless headset to turn off when a first preset condition is met; wherein, the first preset condition includes that the wireless headset is outside the charging box or the wireless headset The earphone is in the charging box and the charging box is in a closed state;
  • the second control module 702 is configured to control the serial port function of the wireless headset to be turned on when a second preset condition is met; wherein, the second preset condition includes that the wireless headset is in the charging box and the The charging case is in an open state.
  • the wireless headset serial port control system controls the serial communication function of the wireless headset through the detection of the switch cover of the charging box and the detection of the wireless headset in place, that is, when the wireless headset is outside the charging box or the wireless headset is charging When in the box and the charging box is in the closed state, the serial port function is closed, which reduces the power consumption caused by the serial port function, thereby increasing the standby time of the wireless headset.
  • the setting module is used to set the RX/TX interface of the wireless headset to a common IO port when the second preset condition is met.
  • the third control module is used to control the interrupt enable of the RX/TX interface to be turned on after the RX/TX interface of the wireless headset is set as a normal IO port;
  • the trigger module is configured to receive the idle code sent by the earphone box and trigger the interrupt of the RX/TX interface before the serial port function of the wireless earphone is controlled to be turned on.
  • the detection module is used to detect whether there is a voltage with a preset voltage value in VBUS; if it is, start the work process of the first determination module; if not, start the work process of the second determination module;
  • the first determination module is configured to determine that the wireless headset is in the charging box, and determine that the second preset condition is satisfied;
  • the second determination module is configured to determine that the wireless headset is outside the charging box, and determine that the first preset condition is satisfied.
  • the third determining module is configured to determine that the first preset condition is satisfied after receiving a cover closing instruction of the charging box.
  • the third determining module specifically opens the countdown timer for the preset duration after receiving a cover-closing instruction of the charging box, and when the countdown ends When determining the module that meets the first preset condition.
  • the present application also provides a wireless headset.
  • a structural diagram of a wireless headset 800 provided in an embodiment of the present application, as shown in FIG. 8, may include a processor 11 and a memory 12.
  • the wireless headset 800 may also include one or more of a multimedia component 13, an input/output (I/O) interface 14, and a communication component 15.
  • I/O input/output
  • the processor 11 is used to control the overall operation of the wireless earphone 800 to complete all or part of the steps in the above-mentioned method for controlling the serial port of the wireless earphone.
  • the memory 12 is used to store various types of data to support the operation of the wireless headset 800. These data may include, for example, instructions for any application or method to operate on the wireless headset 800, and application-related data. For example, contact data, messages sent and received, pictures, audio, video, etc.
  • the memory 12 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (Static Random Access Memory, SRAM for short), electrically erasable programmable read-only memory ( Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-only Memory (Read-Only Memory, ROM for short), magnetic memory, flash memory, magnetic disk or optical disk.
  • the multimedia component 13 may include a screen and an audio component.
  • the screen may be a touch screen, for example, and the audio component is used to output and/or input audio signals.
  • the audio component may include a microphone, which is used to receive external audio signals.
  • the received audio signal may be further stored in the memory 12 or sent through the communication component 15.
  • the audio component also includes at least one speaker for outputting audio signals.
  • the I/O interface 14 provides an interface between the processor 11 and other interface modules.
  • the above-mentioned other interface modules may be keyboards, mice, buttons, and so on. These buttons can be virtual buttons or physical buttons.
  • the communication component 15 is used for wired or wireless communication between the wireless headset 800 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G, or 4G, or a combination of one or more of them, so the corresponding communication component 15 may include: Wi-Fi module, Bluetooth module, NFC module.
  • the wireless headset 800 may be used by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), digital signal processor (Digital Signal Processor, DSP for short), and digital signal processing equipment (Digital Signal Processor). Signal Processing Device, DSPD for short), Programmable Logic Device (PLD for short), Field Programmable Gate Array (FPGA for short), controller, microcontroller, microprocessor or other electronic components Implementation, used to implement the above-mentioned wireless headset serial port control method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal Processor
  • DSP Digital Signal Processor
  • Digital Signal Processor Digital Signal Processor
  • Signal Processing Device DSPD for short
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • a computer-readable storage medium including program instructions, which when executed by a processor, implement the steps of the above-mentioned wireless headset serial port control method.
  • the computer-readable storage medium may be the foregoing memory 12 including program instructions, and the foregoing program instructions may be executed by the processor 11 of the wireless headset 800 to complete the foregoing wireless headset serial port control method.

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Abstract

本申请公开了一种无线耳机串口控制方法、装置及一种无线耳机和计算机可读存储介质，该方法包括：当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。由此可见，本申请提供的无线耳机串口控制方法，降低了因串口功能造成的功耗，从而提高了无线耳机的待机时间。

Description

一种无线耳机串口控制方法、装置及无线耳机和存储介质
本申请要求于2019年7月26日提交中国专利局、申请号为201910684290.9、发明名称为“一种无线耳机串口控制方法、装置及无线耳机和存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及耳机技术领域，更具体地说，涉及一种无线耳机串口控制方法、装置及一种无线耳机和一种计算机可读存储介质。
背景技术
随着蓝牙技术的发展，智能化和无线化趋势已经深入地体现在了蓝牙耳机类产品之中，对于如TWS(中文全称：真无线，英文全称：True Wireless)耳机，TWS技术是指手机通过连接主耳机，再由主耳机通过蓝牙无线方式连接从耳机，实现真正的蓝牙左右声道无线分离使用。
在当前TWS耳机基本功能中，通常使用串口通信，实现耳机与耳机盒之间的信息状态交互。而串口通信会导致无线耳机的功耗较大，进而导致无线耳机待机时间较短。
因此，如何降低无线耳机的功耗是本领域技术人员需要解决的技术问题。
发明内容
本申请的目的在于提供一种无线耳机串口控制方法、装置及一种无线耳机和一种计算机可读存储介质，降低了无线耳机的功耗。
为实现上述目的，本申请提供了一种无线耳机串口控制方法，包括：
当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所 述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
其中，所述控制所述无线耳机的串口功能关闭之后，还包括：
将所述无线耳机的RX/TX接口设置为普通IO口。
其中，将所述无线耳机的RX/TX接口设置为普通IO口之后，还包括：
控制所述RX/TX接口的中断使能开启；
所述控制所述无线耳机的串口功能开启之前，还包括：
接收所述耳机盒发送的空闲码，并触发所述RX/TX接口的中断。
其中，还包括：
检测VBUS是否存在预设电压值的电压；
若是，则判定所述无线耳机处于所述充电盒内，并判定满足所述第二预设条件；
若否，则判定所述无线耳机处于所述充电盒外，并判定满足所述第一预设条件。
其中，所述判定满足所述第二预设条件之后，还包括：
当接收到所述充电盒的关盖指令后，判定满足所述第一预设条件。
其中，所述判定满足所述第一预设条件，包括：
开启所述预设时长的倒计时，当所述倒计时结束时，判定满足所述第一预设条件。
为实现上述目的，本申请提供了一种无线耳机串口控制装置，包括：
第一控制模块，用于当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
第二控制模块，用于当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
其中，还包括：
设置模块，用于当满足第二预设条件时，将所述无线耳机的RX/TX接口设置为普通IO口。
为实现上述目的，本申请提供了一种无线耳机，包括：
存储器，用于存储计算机程序；
处理器，用于执行所述计算机程序时实现如上述无线耳机串口控制方法的步骤。
为实现上述目的，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上述无线耳机串口控制方法的步骤。
通过以上方案可知，本申请提供的一种无线耳机串口控制方法，包括：当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
由此可见，本申请提供的无线耳机串口控制方法，通过充电盒开关盖检测和无线耳机在位检测，控制无线耳机的串口通信功能，即当无线耳机处于充电盒外或无线耳机处于充电盒内且充电盒处于关盖状态时，关闭串口功能，降低了因串口功能造成的功耗，从而提高了无线耳机的待机时间。本申请还公开了一种无线耳机串口控制装置及一种无线耳机和一种计算机可读存储介质，同样能实现上述技术效果。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本申请。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。附图是用来提供对本公开的进一步理解，并且构成说明书的一部分，与下面的具体实施方式一起用于解释本公开，但并不构成对本公开的限制。在附图中：
图1为一种无线耳机串口控制系统的架构图；
图2为一种无线耳机与充电盒的通信架构图；
图3为根据一示例性实施例示出的一种无线耳机串口控制方法的流程图；
图4为根据一示例性实施例示出的另一种无线耳机串口控制方法的流程图；
图5为充电盒侧的控制流程图；
图6为无线耳机侧的控制流程图；
图7为根据一示例性实施例示出的一种无线耳机串口控制装置的结构图；
图8为根据一示例性实施例示出的一种无线耳机的结构图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
由于无线耳机电池容量小，一般只有30-40mA，因此对无线耳机的功耗要求比较高。在当前TWS耳机基本功能中，通常使用串口通信，实现无线耳机与充电盒之间的信息状态交互。当无线耳机串口通信正常工作时，则很难进入完全的低功耗状态(几十uA)，由此会带来几百uA～1mA的功耗，这对于无线耳机整体待机功耗影响很大。因此，在本申请中，当满足预设条件时，即无线耳机不需要与充电盒进行信息交互时，关闭串口功能，降低因串口功能造成的功耗，从而提高无线耳机的待机时间。
为了便于理解本申请提供的无线耳机串口控制方法，首先对其应用的系统进行介绍。如图1所示，手机与主耳机之间通过蓝牙连接，主耳机和从耳机之间通过TWS连接，主耳机和从耳机与充电盒之间均通过串口连接，串口包括VBUS、RX(发送，transport)/TX(接收，receive)、GND，即耳机与充电盒之间通过3个电触点进行交互。无线耳机与充电盒的内部结构如图2所示，充电盒中包括通信模块、单串口电路和IO控制模块，无线耳机中包括IO控制模块、单串口电路、通信模块和耳机状态处理模块。
本申请实施例公开了一种无线耳机串口控制方法，降低了无线耳机的功耗。
参见图1，根据一示例性实施例示出的一种无线耳机串口控制方法的流程 图，如图1所示，包括：
S101：当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
在本步骤中，满足第一预设条件时，无线耳机不需要与充电盒进行信息交互，此时关闭串口功能，将所述无线耳机的RX/TX接口设置为普通IO口，以降低功耗。此处的第一预设条件包括无线耳机处于充电盒外、无线耳机处于充电盒内且充电盒处于关盖状态。
需要说明的是，为了后续步骤开启RX/TX接口的串口功能，将所述无线耳机的RX/TX接口设置为普通IO口之后，还包括：控制所述RX/TX接口的中断使能开启，该中断用于后续步骤开启RX/TX接口的串口功能。
S102：当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
在本步骤中，满足第二预设条件时，无线耳机需要与充电盒进行信息交互，即无线耳机处于在盒状态且充电盒处于开盖状态，此时开启串口功能。可以通过串口通信实现以下功能：
(1)充电盒显示无线耳机电量状态：满电、正常电量、低电量；
(2)实现无线耳机的强制配对；
(3)获取充电盒的开关盖动作；
(4)OTA(中文全称：空中下载技术，英文全称：Over-the-Air Technology)升级。
当无线耳机处于充电盒内，充电盒开盖后，充电盒向无线耳机发送空闲码，当无线耳机接收到该空闲码时，触发RX/TX接口的中断，以开启RX/TX接口的串口功能，实现无线耳机与充电盒之间的信息交互。即所述控制所述无线耳机的串口功能开启之前，还包括：接收所述耳机盒发送的空闲码，并触发所述RX/TX接口的中断。
由此可见，本申请实施例提供的无线耳机串口控制方法，通过充电盒开关盖检测和无线耳机在位检测，控制无线耳机的串口通信功能，即当无线耳机处于充电盒外或无线耳机处于充电盒内且充电盒处于关盖状态时，关闭串 口功能，降低了因串口功能造成的功耗，从而提高了无线耳机的待机时间。
本申请实施例公开了一种无线耳机串口控制方法，相对于上一实施例，本实施例对技术方案作了进一步的说明和优化。具体的：
参见图2，根据一示例性实施例示出的另一种无线耳机串口控制方法的流程图，如图2所示，包括：
S201：检测VBUS是否存在预设电压值的电压；若是，则进入S202；若否，则进入S204；
本实施例介绍检测第一预设条件和第二预设条件的过程。在本步骤中，无线耳机中的IO控制模块获取VBUS电压，经过D/A转换(数模转换，将数字信号转换为模拟信号)后传输至耳机状态处理模块，耳机状态处理模块检测VBUS电压是否为预设电压值，对于无线耳机来说，一般为5V。若是，则说明无线耳机处于在盒状态，进入S202，若否，则说明无线耳机处于充电盒外，进入S204。
S202：判定所述无线耳机处于所述充电盒内，并判定满足所述第二预设条件；
在本步骤中，当无线耳机在充电盒内时，判定满足第二预设条件，进入S206。另外，进入S203进入下一步判断。
S203：当接收到所述充电盒的关盖指令后，判定满足所述第一预设条件；
在本步骤中，无线耳机在充电盒内，当充电盒关盖后，向无线耳机发送关盖指令，此时判定满足第一预设条件。优选的，为避免用户的误关盖操作导致判定错误，当无线耳机接收到关盖命令后，还可以设置预设时长的倒计时，例如10s，倒计时结束时，判定满足第一预设状态。即本步骤包括：当接收到所述充电盒的关盖指令后，开启所述预设时长的倒计时，当所述倒计时结束时，判定满足所述第一预设条件，进入S205。
S204：判定所述无线耳机处于所述充电盒外，并判定满足所述第一预设条件。
在本步骤中，无线耳机处于充电盒外，判定满足第一预设条件，进入S205。
S205：当满足第一预设条件时，控制所述无线耳机的串口功能关闭，将所述无线耳机的RX/TX接口设置为普通IO口，并控制所述RX/TX接口的中 断使能开启；
S206：当满足第二预设条件时，接收所述耳机盒发送的空闲码，触发所述RX/TX接口的中断，并控制所述无线耳机的串口功能开启。
下面介绍充电盒侧的应用实施例，如图5所示，可以包括以下步骤：
步骤1：检测到耳机入盒后，先发送0xFF空闲码，激活耳机串口通讯功能，然后发送耳机入盒命令给耳机；
步骤2：充电盒关盖后，发送关盖命令给耳机；
步骤3：充电盒开盖后，先发送0xFF空闲码，激活耳机串口通讯功能，然后发送开盖命令给耳机。
下面介绍无线耳机侧的应用实施例，如图6所示，可以包括以下步骤：
步骤1：通过检测VBUS电压检测无线耳机出盒动作；
步骤2：耳机出盒后，关闭串口功能，设置RX、TX为普通IO口，并开启RX中断使能；
步骤3：当耳机入盒后，充电盒会发空闲码给耳机，并触发中断，开启串口功能；
步骤4：当耳机入盒接收到充电盒的关盖命令时，开启定时器，10秒后关闭串口功能，设置RX、TX为普通IO口，并开启RX中断使能；
步骤5：充电盒开盖后，充电盒会发空闲码给耳机，并触发中断，开启耳机串口功能。
下面对本申请实施例提供的一种无线耳机串口控制装置进行介绍，下文描述的一种无线耳机串口控制装置与上文描述的一种无线耳机串口控制方法可以相互参照。
参见图7，根据一示例性实施例示出的一种无线耳机串口控制装置的结构图，如图7所示，包括：
第一控制模块701，用于当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
第二控制模块702，用于当满足第二预设条件时，控制所述无线耳机的 串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
由此可见，本申请实施例提供的无线耳机串口控制系统，通过充电盒开关盖检测和无线耳机在位检测，控制无线耳机的串口通信功能，即当无线耳机处于充电盒外或无线耳机处于充电盒内且充电盒处于关盖状态时，关闭串口功能，降低了因串口功能造成的功耗，从而提高了无线耳机的待机时间。
在上述实施例的基础上，作为一种优选实施方式，还包括：
设置模块，用于当满足第二预设条件时，将所述无线耳机的RX/TX接口设置为普通IO口。
在上述实施例的基础上，作为一种优选实施方式，还包括：
第三控制模块，用于在将所述无线耳机的RX/TX接口设置为普通IO口之后，控制所述RX/TX接口的中断使能开启；
触发模块，用于在控制所述无线耳机的串口功能开启之前，接收所述耳机盒发送的空闲码，并触发所述RX/TX接口的中断。
在上述实施例的基础上，作为一种优选实施方式，还包括：
检测模块，用于检测VBUS是否存在预设电压值的电压；若是，则启动第一判定模块的工作流程；若否，则启动第二判定模块的工作流程；
所述第一判定模块，用于判定所述无线耳机处于所述充电盒内，并判定满足所述第二预设条件；
所述第二判定模块，用于判定所述无线耳机处于所述充电盒外，并判定满足所述第一预设条件。
在上述实施例的基础上，作为一种优选实施方式，还包括：
所述第三判定模块，用于当接收到所述充电盒的关盖指令后，判定满足所述第一预设条件。
在上述实施例的基础上，作为一种优选实施方式，所述第三判定模块具体为当接收到所述充电盒的关盖指令后，开启所述预设时长的倒计时，当所述倒计时结束时，判定满足所述第一预设条件的模块。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
本申请还提供了一种无线耳机，参见图8，本申请实施例提供的一种无线耳机800的结构图，如图8所示，可以包括处理器11和存储器12。该无线耳机800还可以包括多媒体组件13，输入/输出(I/O)接口14，以及通信组件15中的一者或多者。
其中，处理器11用于控制该无线耳机800的整体操作，以完成上述的无线耳机串口控制方法中的全部或部分步骤。存储器12用于存储各种类型的数据以支持在该无线耳机800的操作，这些数据例如可以包括用于在该无线耳机800上操作的任何应用程序或方法的指令，以及应用程序相关的数据，例如联系人数据、收发的消息、图片、音频、视频等等。该存储器12可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，例如静态随机存取存储器(Static Random Access Memory，简称SRAM)，电可擦除可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，简称EEPROM)，可擦除可编程只读存储器(Erasable Programmable Read-Only Memory，简称EPROM)，可编程只读存储器(Programmable Read-Only Memory，简称PROM)，只读存储器(Read-Only Memory，简称ROM)，磁存储器，快闪存储器，磁盘或光盘。多媒体组件13可以包括屏幕和音频组件。其中屏幕例如可以是触摸屏，音频组件用于输出和/或输入音频信号。例如，音频组件可以包括一个麦克风，麦克风用于接收外部音频信号。所接收的音频信号可以被进一步存储在存储器12或通过通信组件15发送。音频组件还包括至少一个扬声器，用于输出音频信号。I/O接口14为处理器11和其他接口模块之间提供接口，上述其他接口模块可以是键盘，鼠标，按钮等。这些按钮可以是虚拟按钮或者实体按钮。通信组件15用于该无线耳机800与其他设备之间进行有线或无线通信。无线通信，例如Wi-Fi，蓝牙，近场通信(Near Field Communication，简称NFC)，2G、3G或4G，或它们中的一种或几种的组合，因此相应的该通信组件15可以包括：Wi-Fi模块，蓝牙模块，NFC模块。
在一示例性实施例中，无线耳机800可以被一个或多个应用专用集成电路(Application Specific Integrated Circuit，简称ASIC)、数字信号处理器(Digital Signal Processor，简称DSP)、数字信号处理设备(Digital Signal  Processing Device，简称DSPD)、可编程逻辑器件(Programmable Logic Device，简称PLD)、现场可编程门阵列(Field Programmable Gate Array，简称FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述的无线耳机串口控制方法。
在另一示例性实施例中，还提供了一种包括程序指令的计算机可读存储介质，该程序指令被处理器执行时实现上述无线耳机串口控制方法的步骤。例如，该计算机可读存储介质可以为上述包括程序指令的存储器12，上述程序指令可由无线耳机800的处理器11执行以完成上述的无线耳机串口控制方法。
说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处参见方法部分说明即可。应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以对本申请进行若干改进和修饰，这些改进和修饰也落入本申请权利要求的保护范围内。
还需要说明的是，在本说明书中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。

Claims (10)

  1. 一种无线耳机串口控制方法，其特征在于，包括：
    当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
    当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
  2. 根据权利要求1所述无线耳机串口控制方法，其特征在于，所述控制所述无线耳机的串口功能关闭之后，还包括：
    将所述无线耳机的RX/TX接口设置为普通IO口。
  3. 根据权利要求2所述无线耳机串口控制方法，其特征在于，将所述无线耳机的RX/TX接口设置为普通IO口之后，还包括：
    控制所述RX/TX接口的中断使能开启；
    所述控制所述无线耳机的串口功能开启之前，还包括：
    接收所述耳机盒发送的空闲码，并触发所述RX/TX接口的中断。
  4. 根据权利要求1所述无线耳机串口控制方法，其特征在于，还包括：
    检测VBUS是否存在预设电压值的电压；
    若是，则判定所述无线耳机处于所述充电盒内，并判定满足所述第二预设条件；
    若否，则判定所述无线耳机处于所述充电盒外，并判定满足所述第一预设条件。
  5. 根据权利要求4所述无线耳机串口控制方法，其特征在于，所述判定满足所述第二预设条件之后，还包括：
    当接收到所述充电盒的关盖指令后，判定满足所述第一预设条件。
  6. 根据权利要求5所述无线耳机串口控制方法，其特征在于，所述判定满足所述第一预设条件，包括：
    开启所述预设时长的倒计时，当所述倒计时结束时，判定满足所述第一预设条件。
  7. 一种无线耳机串口控制装置，其特征在于，包括：
    第一控制模块，用于当满足第一预设条件时，控制所述无线耳机的串口功能关闭；其中，所述第一预设条件包括所述无线耳机处于充电盒外，或所述无线耳机处于所述充电盒内且所述充电盒处于关盖状态；
    第二控制模块，用于当满足第二预设条件时，控制所述无线耳机的串口功能开启；其中，所述第二预设条件包括所述无线耳机处于所述充电盒内且所述充电盒处于开盖状态。
  8. 根据权利要求7所述无线耳机串口控制装置，其特征在于，还包括：
    设置模块，用于当满足第二预设条件时，将所述无线耳机的RX/TX接口设置为普通IO口。
  9. 一种无线耳机，其特征在于，包括：
    存储器，用于存储计算机程序；
    处理器，用于执行所述计算机程序时实现如权利要求1至6任一项所述无线耳机串口控制方法的步骤。
  10. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至6任一项所述无线耳机串口控制方法的步骤。
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