CN113688071A - Sound equipment starting method, equipment, medium and product based on SPDIF interface - Google Patents

Sound equipment starting method, equipment, medium and product based on SPDIF interface Download PDF

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CN113688071A
CN113688071A CN202110773331.9A CN202110773331A CN113688071A CN 113688071 A CN113688071 A CN 113688071A CN 202110773331 A CN202110773331 A CN 202110773331A CN 113688071 A CN113688071 A CN 113688071A
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spdif
signal
preset
interface
booting
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蔡景溪
梁永治
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Shenzhen Fenda Technology Co Ltd
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Shenzhen Fenda Technology Co Ltd
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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
    • G06F13/10—Program control for peripheral devices
    • G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/4401—Bootstrapping

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Abstract

本发明涉及音响设备领域，公开了基于SPDIF接口的音响设备开机方法，包括接收通过SPDIF接口输入的SPDIF信号；根据预设参数判断SPDIF信号是否为有效信号，若是，则中央处理器生成开机指令，并将开机指令发送至主控器用于开启音响设备。本发明的基于SPDIF接口的音响设备开机方法，通过将经过SPDIF接口输入的SPDIF信号作为开机检测信号，检测其有效性，来根据检测结果生成开机指令并发送至主控器用于开启音响设备，实现了利用SPDIF信号达到音响设备自动开机的效果，丰富了音响设备的功能，使音响设备的开机过程变得智能化和便捷化，增加了用户的使用体验感。

Figure 202110773331

The invention relates to the field of audio equipment, and discloses a method for booting audio equipment based on an SPDIF interface, comprising receiving an SPDIF signal input through the SPDIF interface; judging whether the SPDIF signal is a valid signal according to preset parameters; And send the power-on command to the main controller to turn on the audio equipment. The method for starting the audio equipment based on the SPDIF interface of the present invention uses the SPDIF signal input through the SPDIF interface as the starting detection signal, detects its validity, and generates a power-on instruction according to the detection result and sends it to the main controller for starting the audio equipment. In order to use the SPDIF signal to achieve the effect of automatic startup of the audio equipment, the functions of the audio equipment are enriched, the startup process of the audio equipment becomes intelligent and convenient, and the user experience is increased.

Figure 202110773331

Description

Sound equipment starting method, equipment, medium and product based on SPDIF interface
Technical Field
The invention relates to the field of sound equipment, in particular to a sound equipment starting method, equipment, a medium and a product based on an SPDIF interface.
Background
The conventional sound equipment is required to be started up by a user through a start button or remote operation, and the SPDIF interface in the corresponding sound product only plays a role of transmitting a digital audio signal and is not used for starting up a detection signal, so that the starting up process of the conventional sound system is not intelligent and convenient enough, and the experience of the user is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the present invention is to provide a sound equipment startup method based on an SPDIF interface, which can solve the problems that the startup process of the existing sound system is not intelligent and convenient enough, and the experience of the user is reduced.
The second objective of the present invention is to provide an electronic device, which can solve the problems that the existing audio system is not intelligent and convenient enough in the starting process, and the experience of the user is reduced.
The invention also aims to provide a computer readable storage medium which can solve the problems that the starting process of the existing sound system is not intelligent and convenient enough, and the experience of a user is reduced.
The fourth purpose of the present invention is to provide a computer program product, which can solve the problems of insufficient intelligence and convenience in the starting process of the existing sound system, and reduced user experience.
One of the purposes of the invention is realized by adopting the following technical scheme:
the sound equipment starting method based on the SPDIF interface comprises the following steps that the sound equipment is provided with a main controller used for controlling the on and off of the sound equipment, a central processing unit and the SPDIF interface used for receiving digital audio signals, the central processing unit is connected with the main controller, a detection port is arranged in the central processing unit, and the detection port is connected with the SPDIF interface:
receiving an SPDIF signal, wherein the SPDIF signal input through an SPDIF interface is received by the central processing unit;
judging validity, judging whether the SPDIF signal is a valid signal or not by the central processing unit according to preset parameters, if so, executing a starting step, if not, judging that the SPDIF signal is an invalid signal, and returning to the step of receiving the SPDIF signal;
and a starting step, in which the central processing unit generates a starting instruction and sends the starting instruction to the main controller for starting the sound equipment.
Further, the detection port is an I/O port, the preset parameter is whether the SPDIF signal changes alternately within a preset time period, and the determining whether the SPDIF signal is an effective signal according to the preset parameter specifically includes: and judging whether the SPDIF signal is changed alternately in a preset time period, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an ineffective signal.
Further, the determining whether the SPDIF signal is changed alternately within the preset time period specifically includes: and judging whether the SPDIF signal has high and low level alternation in a preset time period.
Further, the detection port is a counter port, the preset parameter is that the number of times of pulse width change corresponding to the SPDIF signal within a first preset unit time reaches a preset change number threshold, and the determining whether the SPDIF signal is an effective signal according to the preset parameter specifically includes: receiving effective pulse width change times corresponding to the SPDIF signal and sent by a counter port, wherein the effective pulse width change times are the pulse width change times corresponding to the SPDIF signal in a first preset unit time, judging whether the effective pulse width change times reach a preset change time threshold value, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an invalid signal.
Further, the detection port is an interrupt port, the preset parameter is that the number of times that the central processing unit is interrupted by the SPDIF signal within a second preset unit time reaches a preset interrupt number threshold, and the determining whether the SPDIF signal is an effective signal according to the preset parameter specifically includes: recording the interruption times of interruption caused by the SPDIF signal input from an interruption port, judging whether the interruption times in a second preset unit time reaches a preset interruption time threshold value, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an invalid signal.
Further, the SPDIF signal may cause a cpu interrupt when it is at a low level or a falling edge.
Further, a power supply module which supplies power for the SPDIF interface and the central processing unit is arranged in the sound equipment.
The second purpose of the invention is realized by adopting the following technical scheme
An electronic device, comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for executing the SPDIF interface-based audio device power-on method described in the present application.
The third purpose of the invention is realized by adopting the following technical scheme
A computer-readable storage medium having stored thereon a computer program for executing, by a processor, the SPDIF interface-based audio device power-on method described in the present application.
The fourth purpose of the invention is realized by adopting the following technical scheme
A computer program product comprising a computer program which, when executed by a processor, implements the SPDIF interface-based audio device booting method described in the present application.
Compared with the prior art, the invention has the beneficial effects that: the sound equipment starting method based on the SPDIF interface detects the effectiveness of the SPDIF signal input through the SPDIF interface as a starting detection signal, generates a starting instruction according to the detection result and sends the starting instruction to the main controller to be used for starting the sound equipment, achieves the effect of achieving automatic starting of the sound equipment by utilizing the SPDIF signal, enriches the functions of the sound equipment, enables the starting process of the sound equipment to become intelligent and convenient, and increases the use experience of users.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart illustrating a method for starting up an audio device based on an SPDIF interface according to the present invention;
fig. 2 is a hardware architecture diagram of the audio device booting method based on the SPDIF interface according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 2, in the audio device booting method based on the SPDIF interface in the present application, the audio device is provided with a main controller for controlling a power on/off operation, a central processing unit, and an SPDIF interface for receiving a digital audio signal, where the central processing unit is connected TO the main controller, the central processing unit is provided with a detection port, the detection port is connected TO the SPDIF interface, in this embodiment, the central processing unit is a single chip microcomputer, the detection port is an I/O port or a counter port or an interrupt port, and the count port is a count input TO port; the interrupt port is a TNT port, specifically, INT0 or INT1, and when a signal (low level or falling edge) is input to the INT0 or INT1 port, the program being executed can be temporarily stopped by the single chip microcomputer, and the pre-programmed and other programs are transferred to be executed, wherein NT0 and INT1 are called as external interrupt application input ends. The SPDIF interface is set as a coaxial interface or an optical fiber interface, the coaxial interface is specifically an RCA coaxial interface or a BNC coaxial interface, the optical fiber interface is a TOSLINK optical fiber interface, external equipment sends SPDIF signals (Digital audio signals transmitted by using an SPDIF protocol) through the SPDIF interface, the SPDIF is named as Sony/Philips Digital interface Format, and the SPDIF is a civil Digital audio interface protocol developed by cooperation of Sony and Philips company. In this embodiment, a power module for separately supplying power to the SPDIF interface and the central processing unit is provided in the audio device.
As shown in fig. 1, the method for starting up an audio device based on an SPDIF interface includes the following steps:
receiving an SPDIF signal, wherein the SPDIF signal input through an SPDIF interface is received by the central processing unit;
judging validity, judging whether the SPDIF signal is a valid signal or not by the central processing unit according to preset parameters, if so, executing a starting step, otherwise, judging that the SPDIF signal is an invalid signal, and returning to the step of receiving the SPDIF signal. In this step, according to the type of the detection port, the specific steps are as follows:
if the detection port is an I/O port, the preset parameter is whether the SPDIF signal changes alternately within a preset time period, and the determining whether the SPDIF signal is an effective signal according to the preset parameter specifically includes: judging whether the SPDIF signal has high and low level alternating change in a preset time period, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an invalid signal;
if the detection port is a counter port, the preset parameter is that the number of times of pulse width change corresponding to the SPDIF signal within a first preset unit time reaches a preset change number threshold, and the determining whether the SPDIF signal is an effective signal according to the preset parameter specifically includes: receiving effective pulse width change times corresponding to the SPDIF signal and sent by a counter port, wherein the effective pulse width change times are the pulse width change times corresponding to the SPDIF signal in a first preset unit time, judging whether the effective pulse width change times reach a preset change time threshold value, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an invalid signal;
if the detection port is an interrupt port, the preset parameter is that the number of times of interrupt of the central processing unit caused by the SPDIF signal in a second preset unit time reaches a preset interrupt number threshold, and the step of judging whether the SPDIF signal is an effective signal according to the preset parameter specifically comprises the steps of: recording the interruption times of interruption caused by the SPDIF signal input from an interruption port, judging whether the interruption times in a second preset unit time reaches a preset interruption time threshold value, if so, taking the SPDIF signal as an effective signal, and if not, taking the SPDIF signal as an invalid signal. In this embodiment, the SPDIF signal may cause an interrupt to the cpu when it is at a low level or a falling edge.
And a starting step, in which the central processing unit generates a starting instruction and sends the starting instruction to the main controller for starting the sound equipment.
The present invention also provides an electronic device comprising: a processor;
a memory; and a program, wherein the program is stored in the memory and configured to be executed by the processor, the program comprising instructions for executing the SPDIF interface-based audio device power-on method described in the present application.
The present invention also provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to perform the method for starting up an audio device based on an SPDIF interface described in this application.
The invention further provides a computer program product, which comprises a computer program, and the computer program realizes the startup method of the sound equipment based on the SPDIF interface in the application when being executed by the processor.
The sound equipment starting method based on the SPDIF interface detects the effectiveness of the SPDIF signal input through the SPDIF interface as a starting detection signal, generates a starting instruction according to the detection result and sends the starting instruction to the main controller to be used for starting the sound equipment, achieves the effect of achieving automatic starting of the sound equipment by utilizing the SPDIF signal, enriches the functions of the sound equipment, enables the starting process of the sound equipment to become intelligent and convenient, and increases the use experience of users.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1.基于SPDIF接口的音响设备开机方法，其特征在于：所述音响设备设置有用于控制开关机的主控器、中央处理器、用于接收数字音频信号的SPDIF接口，所述中央处理器与所述主控器连接，所述中央处理器中设置有检测端口，所述检测端接口与所述SPDIF接口连接，所述方法包括以下步骤：1. based on the audio equipment booting method of SPDIF interface, it is characterized in that: described audio equipment is provided with the main controller for controlling switch machine, central processing unit, the SPDIF interface for receiving digital audio signal, described central processing unit and The main controller is connected, the central processing unit is provided with a detection port, and the detection port interface is connected with the SPDIF interface, and the method includes the following steps: 接收SPDIF信号，中央处理器接收通过SPDIF接口输入的SPDIF信号；Receive the SPDIF signal, and the central processor receives the SPDIF signal input through the SPDIF interface; 判断有效性，中央处理器根据预设参数判断所述SPDIF信号是否为有效信号，若是，则执行开机步骤，若否，则所述SPDIF信号为无效信号，返回执行接收SPDIF信号步骤；Judging validity, the central processing unit judges whether the SPDIF signal is a valid signal according to a preset parameter, if so, executes the power-on step, if not, the SPDIF signal is an invalid signal, and returns to execute the step of receiving the SPDIF signal; 开机步骤，中央处理器生成开机指令，并将所述开机指令发送至主控器用于开启音响设备。In the booting step, the central processing unit generates a booting command, and sends the booting command to the main controller for turning on the audio equipment. 2.如权利要求1所述的基于SPDIF接口的音响设备开机方法，其特征在于：所述检测端口为I/O端口，所述预设参数为所述SPDIF信号在预设时间周期内是否发生交替变化，所述根据预设参数判断所述SPDIF信号是否为有效信号具体为：判断SPDIF信号在预设时间周期内是否发生交替变化，若是，则将所述SPDIF信号作为有效信号，若否，则将所述SPDIF信号作为无效信号。2. The method for booting audio equipment based on an SPDIF interface according to claim 1, wherein the detection port is an I/O port, and the preset parameter is whether the SPDIF signal occurs within a preset time period Alternately changing, and determining whether the SPDIF signal is a valid signal according to a preset parameter is specifically: judging whether the SPDIF signal alternately changes within a preset time period, if so, taking the SPDIF signal as a valid signal, if not, Then the SPDIF signal is regarded as an invalid signal. 3.如权利要求2所述的基于SPDIF接口的音响设备开机方法，其特征在于：所述判断SPDIF信号在预设时间周期内是否发生交替变化具体为：判断所述SPDIF信号在预设时间周期内是否存在高低电平交替变化。3. The audio equipment booting method based on SPDIF interface as claimed in claim 2, is characterized in that: whether described judging SPDIF signal alternately changes in preset time period is specifically: judging described SPDIF signal in preset time period Whether there is a high and low level alternation in the memory. 4.如权利要求1所述的基于SPDIF接口的音响设备开机方法，其特征在于：所述检测端口为计数器端口，所述预设参数为第一预设单位时间内所述SPDIF信号对应的脉冲宽度变化的次数达到预设变化次数阈值，所述根据预设参数判断所述SPDIF信号是否为有效信号具体为：接收由计数器端口发送的与所述SPDIF信号对应的有效脉冲宽度变化次数，所述有效脉冲宽度变化次数为在第一预设单位时间内所述SPDIF信号对应的脉冲宽度变化的次数，判断所述有效脉冲宽度变化次数是否达到预设变化次数阈值，若是，则将所述SPDIF信号作为有效信号，若否，则将所述SPDIF信号作为无效信号。4. The method for booting audio equipment based on an SPDIF interface according to claim 1, wherein the detection port is a counter port, and the preset parameter is a pulse corresponding to the SPDIF signal within a first preset unit time The number of width changes reaches a preset number of changes threshold, and determining whether the SPDIF signal is a valid signal according to a preset parameter is specifically: receiving the number of valid pulse width changes corresponding to the SPDIF signal sent by the counter port, the The number of effective pulse width changes is the number of pulse width changes corresponding to the SPDIF signal within the first preset unit time, and it is judged whether the effective pulse width change number reaches a preset number of changes threshold. As a valid signal, if not, the SPDIF signal is regarded as an invalid signal. 5.如权利要求1所述的基于SPDIF接口的音响设备开机方法，其特征在于：所述检测端口为中断端口，所述预设参数为第二预设单位时间内所述SPDIF信号引起中央处理器中断的次数达到预设中断次数阈值，所述根据预设参数判断所述SPDIF信号是否为有效信号具体为：记录从中断端口输入的所述SPDIF信号引起中断的中断次数，判断第二预设单位时间内中断次数是否达到预设中断次数阈值，若是，则将所述SPDIF信号作为有效信号，若否，则将所述SPDIF信号作为无效信号。5. The method for booting audio equipment based on an SPDIF interface according to claim 1, wherein the detection port is an interrupt port, and the preset parameter is that the SPDIF signal causes central processing within a second preset unit time The number of interruptions of the device reaches a preset interruption times threshold, and the judging whether the SPDIF signal is a valid signal according to the preset parameter is specifically: recording the interruption times caused by the SPDIF signal input from the interruption port, and judging the second preset Whether the number of interruptions per unit time reaches the preset interruption times threshold, if so, the SPDIF signal is used as a valid signal, if not, the SPDIF signal is used as an invalid signal. 6.如权利要求4所述的基于SPDIF接口的音响设备开机方法，其特征在于：当所述SPDIF信号处于低电平或下降沿时就会引起中央处理器中断。6 . The method for booting audio equipment based on the SPDIF interface according to claim 4 , wherein the CPU interrupt is caused when the SPDIF signal is at a low level or a falling edge. 7 . 7.如权利要求4所述的基于SPDIF接口的音响设备开机方法，其特征在于：所述音响设备设置中设置有为所述SPDIF接口和所述中央处理器单独供电的电源模块。7 . The method for booting an audio device based on an SPDIF interface according to claim 4 , wherein the audio device setting is provided with a power supply module that independently supplies power to the SPDIF interface and the central processing unit. 8 . 8.一种电子设备，其特征在于包括：处理器；8. An electronic device, comprising: a processor; 存储器；以及程序，其中所述程序被存储在所述存储器中，并且被配置成由处理器执行，所述程序包括用于执行权利要求1-7中任意一项所述的基于SPDIF接口的音响设备开机方法。a memory; and a program, wherein the program is stored in the memory and configured to be executed by a processor, the program comprising a sound for executing the SPDIF interface-based sound of any one of claims 1-7 Device boot method. 9.一种计算机可读存储介质，其上存储有计算机程序，其特征在于：所述计算机程序被处理器执行权利要求1-7中任意一项所述的基于SPDIF接口的音响设备开机方法。9. A computer-readable storage medium on which a computer program is stored, characterized in that: the computer program is executed by a processor to execute the SPDIF interface-based audio device booting method according to any one of claims 1-7. 10.一种计算机程序产品，包括计算机程序，其特征在于，该计算机程序被处理器执行时实现权利要求1-7中任意一项所述的基于SPDIF接口的音响设备开机方法。10. A computer program product, comprising a computer program, characterized in that, when the computer program is executed by a processor, the method for booting an audio device based on an SPDIF interface according to any one of claims 1-7 is implemented.
CN202110773331.9A 2021-07-08 2021-07-08 Sound equipment starting method, equipment, medium and product based on SPDIF interface Pending CN113688071A (en)

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CN202841486U (en) * 2012-09-03 2013-03-27 广州市拓品电子科技有限公司 Automatic switch device based on digital audio signals and used for audio device
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