CN110726924B - Chip operation method and device - Google Patents
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- CN110726924B CN110726924B CN201810784349.7A CN201810784349A CN110726924B CN 110726924 B CN110726924 B CN 110726924B CN 201810784349 A CN201810784349 A CN 201810784349A CN 110726924 B CN110726924 B CN 110726924B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2815—Functional tests, e.g. boundary scans, using the normal I/O contacts
Abstract
The embodiment of the invention provides a chip operation method and a chip operation device, wherein the method comprises the following steps: if the chip is detected to be accessed, selecting a target power supply, a target video interface and a target audio interface which are adapted to the chip from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively; calling the target power supply to supply power to the chip so as to start the chip; and calling the power supply to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start the network card, the hard disk and the memory. By separating the chip from the interface and configuring diversified interfaces to adapt to different chips, the chip can be independently developed and accessed into a universal interface board for testing, the frequency of manufacturing the circuit board is greatly reduced, the workload is reduced, and the development efficiency is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a chip operation method and a chip operation device.
Background
One of the most important jobs for audio-video hardware product development is the development of the chip as the main core.
After the chip is developed, its performance is tested, and at present, the chip and its corresponding interface are usually manufactured together into a circuit board, and then the chip is tested.
Generally, because the number of types of chips to be developed is large, if a plurality of types of chips are tested, the chips and their corresponding interfaces need to be repeatedly manufactured into circuit boards, which results in a large number of circuit boards and a large workload, resulting in low development efficiency.
Disclosure of Invention
The embodiment of the invention provides a chip operation method and a chip operation device, which are used for solving the problem of low chip development efficiency of audio and video hardware products.
According to an aspect of the present invention, there is provided a method for operating a chip, which is applied in a generalized interface board, wherein the generalized interface board is configured with a plurality of power supplies, a plurality of video interfaces, a plurality of audio interfaces, a network interface, and a storage interface, the network interface is connected to a network card, and the storage interface is connected to a hard disk and a memory, the method includes:
if the chip is detected to be accessed, selecting a target power supply, a target video interface and a target audio interface which are adapted to the chip from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively;
calling the target power supply to supply power to the chip so as to start the chip;
and calling the power supply to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start the network card, the hard disk and the memory.
Optionally, the selecting a target power supply, a target video interface, and a target audio interface adapted to the chip from the multiple power supplies, the multiple video interfaces, and the multiple audio interfaces respectively includes:
identifying a chip type of the chip;
and respectively selecting a target power supply, a target video interface and a target audio interface which are adapted to the chip type from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces.
Optionally, the identifying the chip type of the chip includes:
detecting a level signal of a pin designated in the chip;
and searching the chip type corresponding to the level signal.
Optionally, the method further comprises:
receiving video data and/or audio data from the target video interface and/or the target audio interface;
and transmitting the video data and/or the audio data to the chip for processing.
Optionally, the method further comprises:
when the chip outputs data, identifying the data type of the data;
if the data type is video data, transmitting the video data to the target video interface;
and if the data type is audio data, transmitting the audio data to the target audio interface.
Optionally, the identifying the type of the data includes:
detecting a pin of the chip for outputting the data;
and inquiring the data type of the chip type corresponding to the pin.
Optionally, the power supply comprises at least one of:
a 1.2V power supply, a 1.33V power supply, a 1.8V power supply, a 2.5V power supply, a 3.3V power supply, a 5V power supply and a 12V power supply;
the video interface includes at least one of:
BT.1120 interface, high definition multimedia interface HDMI, serial digital interface SDI, video graphics array interface VGA, mobile industry processor interface MIPI, composite video broadcast signal interface CVBS, composite video interface CVS;
the audio interface includes at least one of:
a digital audio interface SPDIF, a microphone interface MIC, a LINE interface LINE and an integrated circuit built-in audio bus interface I2S.
According to another aspect of the present invention, there is provided a chip operating apparatus, applied in a universal interface board, where the universal interface board is configured with multiple power supplies, multiple video interfaces, multiple audio interfaces, a network interface, and a storage interface, the network interface is connected to a network card, and the storage interface is connected to a hard disk and a memory, the apparatus including:
the interface selection module is used for respectively selecting a target power supply, a target video interface and a target audio interface which are adapted to a chip from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces if the chip is detected to be accessed;
the chip power supply module is used for calling the target power supply to supply power to the chip so as to start the chip;
and the interface power supply module is used for calling the power supply to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start the network card, the hard disk and the memory.
Optionally, the interface selection module includes:
the chip type identification submodule is used for identifying the chip type of the chip;
and the chip type selection submodule is used for selecting a target power supply, a target video interface and a target audio interface which are matched with the chip type from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively.
Optionally, the chip type identifier sub-module includes:
a level signal detection unit for detecting a level signal of a pin designated in the chip;
and the level signal searching unit is used for searching the chip type corresponding to the level signal.
Optionally, the method further comprises:
a data receiving module, configured to receive video data and/or audio data from the target video interface and/or the target audio interface;
and the data transmission module is used for transmitting the video data and/or the audio data to the chip for processing.
Optionally, the method further comprises:
the data type identification module is used for identifying the data type of the data when the chip outputs the data;
the video data transmission module is used for transmitting the video data to the target video interface if the data type is video data;
and the audio data transmission module is used for transmitting the audio data to the target audio interface if the data type is the audio data.
Optionally, the data type identification module includes:
the pin detection submodule is used for detecting a pin of the chip for outputting the data;
and the data type query submodule is used for querying the data type corresponding to the pin of the chip type.
Optionally, the power supply comprises at least one of:
a 1.2V power supply, a 1.33V power supply, a 1.8V power supply, a 2.5V power supply, a 3.3V power supply, a 5V power supply and a 12V power supply;
the video interface includes at least one of:
BT.1120 interface, high definition multimedia interface HDMI, serial digital interface SDI, video graphics array interface VGA, mobile industry processor interface MIPI, composite video broadcast signal interface CVBS, composite video interface CVS;
the audio interface includes at least one of:
the digital audio interface SPDIF, the microphone interface MIC, the LINE interface LINE and the integrated circuit built-in audio bus interface I2S.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, if the universal interface board is detected to be connected with a chip, a target power supply, a target video interface and a target audio interface which are matched with the chip are respectively selected from multiple video interfaces and multiple audio interfaces of multiple power supplies, the target power supply is called to supply power to the chip so as to start the chip, the power supply is called to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start a network card, a hard disk and a memory, and the chip is separated from the interfaces and diversified interfaces are configured so as to be matched with different chips, so that the chip can be independently developed and connected into the universal interface board for testing, the frequency of manufacturing a circuit board is greatly reduced, the workload is reduced, and the development efficiency is improved.
Drawings
FIG. 1 is a flow chart of steps of a method of operating a chip according to one embodiment of the invention;
FIG. 2 is a flow chart of steps of another method of operating a chip in accordance with one embodiment of the invention;
fig. 3 is a block diagram of an apparatus for operating a chip according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a flowchart illustrating steps of a method for operating a chip according to an embodiment of the present invention is shown, which may specifically include the following steps:
In a specific implementation, the embodiments of the present invention can be applied to a generalized interface board, which can be configured with multiple power supplies, multiple video interfaces, multiple audio interfaces, a network interface, and a storage interface, so as to meet basic operation requirements of different types of chips.
In one example, the power source includes at least one of:
a 1.2V power supply, a 1.33V power supply, a 1.8V power supply, a 2.5V power supply, a 3.3V power supply, a 5V power supply and a 12V power supply.
The general audio and video system is powered by a 12V power supply, a 5V power supply is provided for supplying power to a video chip, a USB (Universal Serial Bus), and the like, a 3.3V power supply is widely applied to a main core, a storage, a network card, a video transcoding chip, and the like, a 2.5V power supply and a 1.35V power supply are generally used for memories such as DDR2 and DDR3, and a 2.5V DDR2 and a 1.2V DDR2 are generally used for a network card.
In one example, the video interface is divided into a digital video interface and an analog video interface, and specifically includes at least one of the following:
BT.1120 interface, high definition multimedia interface HDMI, serial digital interface SDI, video graphics array interface VGA, mobile industry processor interface MIPI, composite video broadcast signal interface CVBS, composite video interface CVS.
In one example, the audio interface includes at least one of:
the digital audio interface SPDIF, the microphone interface MIC, the LINE interface LINE and the integrated circuit built-in audio bus interface I2S.
In addition, the network interface is connected to a network card, for example, the secure digital input output card interface SDIO may extend WiFi (wireless fidelity), 4G, SD card and other modules, and the MAC interface may be connected to the PHY chip.
The storage interface is accessed to the hard disk and the memory, for example, the USB2.0/3.0 interface can be connected to a USB disk, etc., and the SATA/PCIE interface can be connected to a solid state disk SSD, a hard disk drive HDD, etc.
Of course, the above-mentioned interfaces are only examples, and when implementing the embodiment of the present invention, other interfaces may be set according to actual situations, which is not limited in the embodiment of the present invention. In addition, besides the above interfaces, those skilled in the art may also adopt other interfaces according to actual needs, and the embodiment of the present invention is not limited to this.
Because the development of audio and video products has certain commonality, the interface signals matched with the chip are generally not very different, the main signals and the power supply are introduced into the golden finger slot, and meanwhile, enough interface redundancy is provided, when the chip is designed, the golden finger signals are designed according to the slot definition and are accessed into a universal interface board, and a target power supply, a target video interface and a target audio interface which are adaptive to the chip are selected from various power supplies, various video interfaces and various audio interfaces, so that the chip can normally run, and the test work of different chips is completed on the universal interface board.
In one embodiment of the present invention, step 101 may comprise the following sub-steps:
and a substep S11 of identifying a chip type of the chip.
And a substep S12 of selecting a target power supply, a target video interface and a target audio interface adapted to the chip type from the plurality of power supplies, the plurality of video interfaces and the plurality of audio interfaces, respectively.
In the embodiment of the invention, the chip can be divided into a plurality of chip types according to the characteristics of the chip, and a corresponding power supply, a video interface and an audio interface are preset for each chip type.
Therefore, if it is detected that the chip is accessed in the generalized interface board, the type of the chip to which the chip belongs can be detected, so that a target power supply, a target video interface and a target audio interface adapted to the type of the chip are respectively selected from multiple power supplies, multiple video interfaces and multiple audio interfaces according to a preset corresponding relationship, that is, the target power supply, the target video interface and the target audio interface are used by the current chip.
In one detection mode, for different chip types, different settings can be configured for the specified pins, so that level signals of the specified pins in the chip, namely low level "0" and high level "1", can be detected to form different data combinations, and thus the chip type corresponding to the level signals can be searched.
And step 102, calling the target power supply to supply power to the chip so as to start the chip.
After the target power supply is selected, the target power supply is driven to supply power to the chip, so that the chip can be started normally.
After the target video interface and the target audio interface are selected, a power supply adaptive to the target video interface and the target audio interface is driven to supply power to the target video interface and the target audio interface, so that the target video interface and the target audio interface can be normally started and operated, and adaptive input/output services of video data and audio data are provided for the chip.
Meanwhile, a power supply matched with the network interface and the storage interface is driven to supply power to the network interface and the storage interface, so that the network card, the hard disk and the memory can be started and operated normally, and network transmission and storage services are provided for the chip.
Under the service provided by the target video interface, the target audio interface, the network card, the hard disk and the memory, the chip can normally operate.
In the embodiment of the invention, if the universal interface board is detected to be connected with a chip, a target power supply, a target video interface and a target audio interface which are matched with the chip are respectively selected from multiple video interfaces and multiple audio interfaces of multiple power supplies, the target power supply is called to supply power to the chip so as to start the chip, the power supply is called to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start a network card, a hard disk and a memory, and the chip is separated from the interfaces and diversified interfaces are configured so as to be matched with different chips, so that the chip can be independently developed and connected into the universal interface board for testing, the frequency of manufacturing a circuit board is greatly reduced, the workload is reduced, and the development efficiency is improved.
Referring to fig. 2, a flowchart illustrating steps of another method for operating a chip according to an embodiment of the present invention is shown, which may specifically include the following steps:
Step 204, receiving video data and/or audio data from the target video interface and/or the target audio interface.
After the target video interface and the target audio interface are selected, the user can access other input devices which are in accordance with the interface specification of the target video interface and the target audio interface at the target video interface and the target audio interface.
For example, a camera, a personal computer, and the like are connected to the target video interface, and a microphone, a personal computer, and the like are connected to the target audio interface.
The input device transmits video data and audio data which meet interface specifications of a target video interface and a target audio interface to the target video interface and the target audio interface, the universal interface board is connected with links among the target video interface, the target audio interface and the chip, so that the video data of the target video interface and the audio data of the target audio interface are transmitted to the chip, and the chip processes the video data and the audio data according to self logic.
For example, if the chip is an encoding chip, video data and audio data may be encoded.
For example, if the chip is a decoding chip, video data and audio data can be decoded.
And step 208, if the data type is audio data, transmitting the audio data to the target audio interface.
After the target video interface and the target audio interface are selected, the user can access other output devices which are in accordance with the interface specification of the target video interface and the target audio interface at the target video interface and the target audio interface.
For example, a television set or the like is accessed in the target video interface, the target audio interface.
In the universal interface board, if the output data of the chip is detected, the type of the data can be identified, and the data is output to a corresponding interface, so that the data is transmitted to output equipment for other tests.
In a manner of identifying data types, data types of data output by different pins can be recorded in advance for chips of different chip types, so that pins of data output by the chips can be detected, and data types corresponding to the pins of the chip types can be inquired.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of a chip operation device according to an embodiment of the present invention is shown, and is applied to a generalized interface board, where the generalized interface board is configured with multiple power sources, multiple video interfaces, multiple audio interfaces, a network interface, and a storage interface, the network interface is connected to a network card, and the storage interface is connected to a hard disk and a memory, where the device specifically includes the following modules:
an interface selection module 301, configured to select a target power supply, a target video interface, and a target audio interface that are adapted to a chip from the multiple power supplies, the multiple video interfaces, and the multiple audio interfaces, respectively, if it is detected that a chip is accessed;
a chip power supply module 302, configured to call the target power supply to supply power to the chip, so as to start the chip;
an interface power supply module 303, configured to call the power supply to supply power to the target video interface, the target audio interface, the network interface, and the storage interface, so as to start the network card, the hard disk, and the memory.
In an embodiment of the present invention, the interface selection module 301 includes:
the chip type identification submodule is used for identifying the chip type of the chip;
and the chip type selection submodule is used for selecting a target power supply, a target video interface and a target audio interface which are matched with the chip type from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively.
In one embodiment of the present invention, the chip type identification submodule includes:
a level signal detection unit for detecting a level signal of a pin designated in the chip;
and the level signal searching unit is used for searching the chip type corresponding to the level signal.
In one embodiment of the present invention, further comprising:
a data receiving module, configured to receive video data and/or audio data from the target video interface and/or the target audio interface;
and the data transmission module is used for transmitting the video data and/or the audio data to the chip for processing.
In one embodiment of the present invention, further comprising:
the data type identification module is used for identifying the data type of the data when the chip outputs the data;
the video data transmission module is used for transmitting the video data to the target video interface if the data type is video data;
and the audio data transmission module is used for transmitting the audio data to the target audio interface if the data type is the audio data.
In one embodiment of the present invention, the data type identification module includes:
the pin detection submodule is used for detecting a pin of the chip for outputting the data;
and the data type query submodule is used for querying the data type corresponding to the pin of the chip type.
In one example of embodiment of the present invention, the power supply comprises at least one of:
a 1.2V power supply, a 1.33V power supply, a 1.8V power supply, a 2.5V power supply, a 3.3V power supply, a 5V power supply and a 12V power supply;
the video interface includes at least one of:
BT.1120 interface, high definition multimedia interface HDMI, serial digital interface SDI, video graphics array interface VGA, mobile industry processor interface MIPI, composite video broadcast signal interface CVBS, composite video interface CVS;
the audio interface includes at least one of:
a digital audio interface SPDIF, a microphone interface MIC, a LINE interface LINE and an integrated circuit built-in audio bus interface I2S.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
In the embodiment of the invention, if the universal interface board is detected to be connected with a chip, a target power supply, a target video interface and a target audio interface which are matched with the chip are respectively selected from multiple video interfaces and multiple audio interfaces of multiple power supplies, the target power supply is called to supply power to the chip so as to start the chip, the power supply is called to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start a network card, a hard disk and a memory, and the chip is separated from the interfaces and diversified interfaces are configured so as to be matched with different chips, so that the chip can be independently developed and connected into the universal interface board for testing, the frequency of manufacturing a circuit board is greatly reduced, the workload is reduced, and the development efficiency is improved.
The embodiments in the present specification are all described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same and similar between the embodiments may be referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is provided for a chip operation method and a chip operation device, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (4)
1. An operation method of a chip is characterized in that the method is applied to a generalized interface board, the generalized interface board is configured with a plurality of power supplies, a plurality of video interfaces, a plurality of audio interfaces, a network interface and a storage interface, the network interface is accessed to a network card, and the storage interface is accessed to a hard disk and a memory, the method comprises the following steps:
if the chip is detected to be accessed, selecting a target power supply, a target video interface and a target audio interface which are adapted to the chip from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively;
calling the target power supply to supply power to the chip so as to start the chip;
calling the power supply to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start the network card, the hard disk and the memory;
wherein the selecting a target power supply, a target video interface and a target audio interface adapted to the chip from the plurality of power supplies, the plurality of video interfaces and the plurality of audio interfaces, respectively, comprises:
identifying a chip type of the chip;
selecting a target power supply, a target video interface and a target audio interface which are adapted to the chip type from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively;
wherein the identifying the chip type of the chip comprises:
detecting a level signal of a pin designated in the chip;
searching a chip type corresponding to the level signal;
when the chip outputs data, identifying the data type of the data;
if the data type is video data, transmitting the video data to the target video interface;
if the data type is audio data, transmitting the audio data to the target audio interface;
the identifying the type of the data comprises:
detecting a pin of the chip for outputting the data;
and inquiring the data type of the chip type corresponding to the pin.
2. The method of claim 1, further comprising:
receiving video data and/or audio data from the target video interface and/or the target audio interface;
and transmitting the video data and/or the audio data to the chip for processing.
3. The method according to any one of claims 1 to 2,
the power supply includes at least one of:
a 1.2V power supply, a 1.33V power supply, a 1.8V power supply, a 2.5V power supply, a 3.3V power supply, a 5V power supply and a 12V power supply;
the video interface includes at least one of:
BT.1120 interface, high definition multimedia interface HDMI, serial digital interface SDI, video graphic array interface VGA, mobile industry processor interface MIPI, composite video broadcast signal interface CVBS and composite video interface CVS;
the audio interface includes at least one of:
the digital audio interface SPDIF, the microphone interface MIC, the LINE interface LINE and the integrated circuit built-in audio bus interface I2S.
4. An operating device of a chip is applied to a generalized interface board, wherein the generalized interface board is configured with a plurality of power supplies, a plurality of video interfaces, a plurality of audio interfaces, a network interface and a storage interface, the network interface is accessed to a network card, and the storage interface is accessed to a hard disk and a memory, the device comprises:
the interface selection module is used for respectively selecting a target power supply, a target video interface and a target audio interface which are adapted to a chip from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces if the chip is detected to be accessed;
the chip power supply module is used for calling the target power supply to supply power to the chip so as to start the chip;
the interface power supply module is used for calling the power supply to supply power to the target video interface, the target audio interface, the network interface and the storage interface so as to start the network card, the hard disk and the memory;
wherein the interface selection module comprises:
the chip type identification submodule is used for identifying the chip type of the chip;
the chip type selection submodule is used for selecting a target power supply, a target video interface and a target audio interface which are matched with the chip type from the multiple power supplies, the multiple video interfaces and the multiple audio interfaces respectively;
wherein the chip type identification submodule comprises:
a level signal detection unit for detecting a level signal of a pin designated in the chip;
the level signal searching unit is used for searching the chip type corresponding to the level signal;
the data type identification module is used for identifying the data type of the data when the chip outputs the data;
the video data transmission module is used for transmitting the video data to the target video interface if the data type is video data;
the audio data transmission module is used for transmitting the audio data to the target audio interface if the data type is the audio data;
the data type identification module comprises:
the pin detection submodule is used for detecting a pin of the chip for outputting the data;
and the data type query submodule is used for querying the data type corresponding to the pin of the chip type.
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| CN102684268A (en) * | 2012-05-24 | 2012-09-19 | 惠州市尚联达电子有限公司 | Circuit and method for mobile power supply to automatically adjust and match output voltage |
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| CN206312022U (en) * | 2016-12-14 | 2017-07-07 | 深圳市信步科技有限公司 | The server master board of aobvious and mass data storage more than support high definition |
| CN107122033A (en) * | 2017-05-19 | 2017-09-01 | 联想(北京)有限公司 | A kind of power supply changeover device, control method and electronic equipment |
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