阅读说明：本技术 一种电路板原理图快速比较方法、装置、终端及存储介质 (Method and device for quickly comparing schematic diagrams of circuit boards, terminal and storage medium ) 是由 范纲波 于 2021-06-29 设计创作，主要内容包括：本发明公开一种电路板原理图快速比较方法、装置、终端及存储介质,首先接收初始原理图网表和迭代后原理图网表；然后分别对初始原理图网表和迭代后原理图网表进行分析,提取出表中信号接线和各个信号接线所连接的元器件,生成初始器件对应表和迭代后器件对应表；其中初始器件对应表和迭代后器件对应表包含信号接线与元器件的对应关系信息；再将初始器件对应表和迭代后器件对应表进行比较,获得更改内容；最后将所获得的更改内容输出。本发明可快速且准确比较出原理图之间的差异,大幅降低研发人员比较原理图差异的时间,且降低比较出错的几率,降低成本。(The invention discloses a method, a device, a terminal and a storage medium for quickly comparing schematic diagrams of circuit boards, which are characterized by firstly receiving an initial schematic diagram netlist and an iterated schematic diagram netlist; then, analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the tables and the components connected with the signal connection wires, and generating an initial device corresponding table and an iterated device corresponding table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components; comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content; and finally outputting the obtained change content. The invention can quickly and accurately compare the difference between the schematic diagrams, greatly reduce the time for the research personnel to compare the schematic diagram difference, reduce the error probability of comparison and reduce the cost.)

1. A method for quickly comparing schematic diagrams of circuit boards is characterized by comprising the following steps:

receiving an initial schematic diagram netlist and an iterated schematic diagram netlist;

analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the schematic diagram netlist and the components connected with the signal connection wires, and generating an initial device correspondence table and an iterated device correspondence table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content;

outputting the obtained modified content.

2. The method for rapidly comparing schematic diagrams of circuit boards according to claim 1, wherein the step of comparing the initial device correspondence table with the iterated device correspondence table to obtain modified contents specifically comprises the steps of:

comparing the initial device corresponding table with the iterated device corresponding table to obtain increased content;

comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

and comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

3. The method for rapidly comparing schematic diagrams of circuit boards according to claim 2, wherein the initial device correspondence table and the iterated device correspondence table are compared to obtain modified contents, and the method specifically comprises the following steps:

respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table;

and comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the changed content.

4. The method for rapidly comparing schematic diagrams of circuit boards according to claim 3, wherein the initial device correspondence table and the iterated device correspondence table are compared to obtain added content, specifically:

subtracting the set in the initial device corresponding table from the set of the iterated device corresponding table to obtain the increased content;

comparing the initial device correspondence table with the iterated device correspondence table to obtain deleted contents, specifically:

subtracting the set of the iterated device corresponding table from the set of the initial device corresponding table to obtain deleted contents;

comparing the initial device correspondence table with the iterated device correspondence table to obtain modified contents, specifically:

and comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the modified content.

5. A device for rapidly comparing schematic diagrams of circuit boards is characterized by comprising,

a schematic diagram network table receiving module: receiving an initial schematic diagram netlist and an iterated schematic diagram netlist;

a device correspondence table generation module: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the schematic diagram netlist and the components connected with the signal connection wires, and generating an initial device correspondence table and an iterated device correspondence table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

a modified content obtaining module: comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content;

a modified content output module: outputting the obtained modified content.

6. The apparatus of claim 5, wherein the device mapping table generating module comprises,

signal connection extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting signal connection lines in the schematic diagram netlist;

a component extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting components connected with signal wirings;

a device correspondence table generation unit: and generating an initial device corresponding table and an iterated device corresponding table.

7. The apparatus for rapidly comparing schematic diagrams of circuit boards according to claim 6, wherein the change content acquiring module comprises,

adding a content comparison unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain increased content;

a deleted content comparing unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

a modified content comparing unit: and comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

8. The apparatus for rapidly comparing schematic diagrams of circuit boards according to claim 7, wherein the change content acquiring module further comprises,

a set generation unit: respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table;

the added content comparison unit specifically subtracts the set in the initial device correspondence table from the set of the iterated device correspondence table to obtain added content;

the deleted content comparison unit specifically subtracts the set of the iterated device correspondence table from the set of the initial device correspondence table to obtain deleted content;

the modified content comparing unit specifically compares the set in the initial device correspondence table with the set of the iterated device correspondence table to obtain modified content.

9. A terminal, comprising:

a processor;

a memory for storing instructions for execution by the processor;

wherein the processor is configured to perform the method of any one of claims 1-4.

10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-4.

Technical Field

The invention relates to the field of comparison of schematic diagrams of circuit boards, in particular to a method, a device, a terminal and a storage medium for rapidly comparing schematic diagrams of circuit boards.

Background

The schematic diagram of the circuit board is a simplified circuit diagram representation. The schematic diagram of the circuit board uses simple icons to form circuits, and the circuit symbols are connected with each other. The schematic diagram of the circuit board is an important part in the design of the server, and because the server has a large structure, a server product usually needs a plurality of components, and the connections between the components are quite complicated, the development time is long, and several development stages are usually needed. Each stage of a complex product such as a server requires rigorous testing to ensure the function, performance and stability of the product, and once a hardware defect is found in the product, the schematic design of the circuit board may need to be changed. After the schematic diagram of the circuit board is changed into a design, the schematic diagram of the circuit board before iteration and the schematic diagram of the circuit board after iteration need to be compared, so that the accuracy of the design change is ensured, and an iteration change record needs to be left. Comparing two bulky schematic diagrams of the server circuit board and finding out the difference is conceivable to be a difficult task and is also easy to generate comparison errors, and especially once the product design is changed too much, the comparison is very difficult and low.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method, an apparatus, a terminal and a storage medium for rapidly comparing schematic diagrams of circuit boards, wherein the method, the apparatus, the terminal and the storage medium can rapidly obtain modified contents by obtaining relevant information by using a network table of an original circuit diagram and automatically comparing the schematic diagrams of the circuit boards.

In a first aspect, a technical solution of the present invention provides a method for quickly comparing schematic diagrams of circuit boards, including the following steps:

receiving an initial schematic diagram netlist and an iterated schematic diagram netlist;

analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the schematic diagram netlist and the components connected with the signal connection wires, and generating an initial device correspondence table and an iterated device correspondence table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content;

outputting the obtained modified content.

Further, comparing the initial device correspondence table with the iterated device correspondence table to obtain modified contents, specifically including:

comparing the initial device corresponding table with the iterated device corresponding table to obtain increased content;

comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

and comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

Further, comparing the initial device correspondence table with the iterated device correspondence table to obtain modified contents, specifically including:

respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table;

and comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the changed content.

Further, comparing the initial device correspondence table with the iterated device correspondence table to obtain the added content, specifically:

subtracting the set in the initial device corresponding table from the set of the iterated device corresponding table to obtain the increased content;

comparing the initial device correspondence table with the iterated device correspondence table to obtain deleted contents, specifically:

subtracting the set of the iterated device corresponding table from the set of the initial device corresponding table to obtain deleted contents;

comparing the initial device correspondence table with the iterated device correspondence table to obtain modified contents, specifically:

and comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the modified content.

In a third aspect, the invention provides a device for rapidly comparing schematic diagrams of circuit boards, comprising,

a schematic diagram network table receiving module: receiving an initial schematic diagram netlist and an iterated schematic diagram netlist;

a device correspondence table generation module: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the schematic diagram netlist and the components connected with the signal connection wires, and generating an initial device correspondence table and an iterated device correspondence table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

a modified content obtaining module: comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content;

a modified content output module: outputting the obtained modified content.

Further, the device correspondence table generating module includes,

signal connection extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting signal connection lines in the schematic diagram netlist;

a component extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting components connected with signal wirings;

a device correspondence table generation unit: and generating an initial device corresponding table and an iterated device corresponding table.

Further, the change content obtaining module includes,

adding a content comparison unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain increased content;

a deleted content comparing unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

a modified content comparing unit: and comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

Further, the modified content obtaining module may further include,

a set generation unit: respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table;

the added content comparison unit specifically subtracts the set in the initial device correspondence table from the set of the iterated device correspondence table to obtain added content;

the deleted content comparison unit specifically subtracts the set of the iterated device correspondence table from the set of the initial device correspondence table to obtain deleted content;

the modified content comparing unit specifically compares the set in the initial device correspondence table with the set of the iterated device correspondence table to obtain modified content.

In a third aspect, a technical solution of the present invention provides a terminal, including:

a processor;

a memory for storing instructions for execution by the processor;

wherein the processor is configured to perform any of the methods described above.

In a fourth aspect, the invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the method of any one of the above.

According to the method, the device, the terminal and the storage medium for quickly comparing the schematic diagrams of the circuit boards, the signal wiring is obtained by extracting information of the schematic diagram netlist, the components connected with the signal wiring are generated, the corresponding table of the information device containing the corresponding relation between the signal wiring and the components is generated, and then the changed content is obtained by analyzing and comparing the content in the corresponding table of the devices.

Drawings

For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic flow chart of a method for quickly comparing schematic diagrams of circuit boards according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a schematic diagram fast comparison device of a circuit board according to a third embodiment of the present invention;

fig. 3 is a schematic structural diagram of a terminal according to a fourth embodiment of the present invention.

Detailed Description

The terms to which the present invention relates are explained below.

A schematic diagram: and the diagram shows the connection principle between the components on the circuit board.

NODE _ NAME: the components to which the signal wiring in the schematic diagram is connected.

NET _ NAME: signal wiring in the schematic.

And (3) gathering: the term "set" refers to a set of objects classified into one or more different sizes.

Schematic netlist: for describing the connection relationship of circuit components, a text file following some simple markup syntax is generally used.

EDA (electronic design automation): electronic design automation.

In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example one

The schematic diagram of the circuit board is an important part in the design of the server, and because the server has a large structure, a server product usually needs a plurality of components, and the connections between the components are quite complicated, the development time is long, and several development stages are usually needed. Each stage of a complex product such as a server requires rigorous testing to ensure the function, performance and stability of the product, and once a hardware defect is found in the product, the schematic design of the circuit board may need to be changed. After the schematic diagram of the circuit board is changed into a design, the schematic diagram of the circuit board before iteration and the schematic diagram of the circuit board after iteration need to be compared, so that the accuracy of the design change is ensured, and an iteration change record needs to be left. Comparing two bulky schematic diagrams of the server circuit board and finding out the difference is conceivable to be a difficult task and is also easy to generate comparison errors, and especially once the product design is changed too much, the comparison is very difficult and low.

Therefore, the embodiment provides a method for rapidly comparing schematic diagrams of circuit boards, which includes acquiring related information through a schematic diagram netlist to generate a corresponding table, and then acquiring modified contents through analyzing the corresponding table, so that the comparison efficiency of the schematic diagrams is improved, and the error rate is reduced.

As shown in fig. 1, the method for quickly comparing schematic diagrams of circuit boards provided in this embodiment includes the following steps:

s1, receiving the initial schematic diagram netlist and the iterated schematic diagram netlist;

s2, analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the components connected with the signal connection wires and the signal connection wires in the tables, and generating an initial device corresponding table and an iterated device corresponding table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

s3, comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content;

s4, outputting the obtained modified content.

According to the method for quickly comparing the schematic diagrams of the circuit boards, the signal wiring is obtained by extracting information of the schematic diagram netlist, the components connected with the signal wiring are generated, the corresponding table of the information devices containing the corresponding relation between the signal wiring and the components is generated, and then the content in the corresponding table of the devices is analyzed and compared to obtain the changed content.

Example two

For further explanation of the present invention, the following provides a method for quickly comparing schematic diagrams of circuit boards according to the second embodiment based on the principle of the present invention in combination with the first embodiment, so as to explain the present invention in detail.

The second embodiment of the method for quickly comparing schematic diagrams of circuit boards comprises the following steps:

s1, receiving the initial schematic diagram netlist and the iterated schematic diagram netlist.

Firstly, an initial schematic diagram netlist before iteration and a schematic diagram netlist after iteration are imported into a system through an interface so as to be analyzed subsequently.

S2, analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the components connected with the signal connection wires and the signal connection wires in the tables, and generating an initial device corresponding table and an iterated device corresponding table; the initial device correspondence table and the iterated device correspondence table contain information of correspondence between signal wiring and components.

The method comprises the steps of extracting all signal connection wires and components from a schematic diagram network table, and then generating a corresponding component corresponding table, wherein the component corresponding table comprises corresponding relation information of the signal connection wires and the components, namely, which components are respectively corresponding to each signal connection wire. And then, the content of the change of the schematic diagram is found out by comparing the corresponding relation information.

And S3, comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

The change of the schematic diagram of the circuit board comprises the aspects of addition, deletion, modification and the like, and can be compared and analyzed respectively, and the method comprises the following steps:

comparing an initial device corresponding table with an iterated device corresponding table to obtain increased contents;

step two, comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

and step three, comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

In order to improve the comparison efficiency, the information in the device correspondence table can be classified to obtain a plurality of sets, and then the contents of addition, deletion and change are obtained through comparison of the sets.

That is, before the comparison in step S3, the following steps are first performed:

and respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table. The content in the initial device corresponding table and the content in the iterated device corresponding table generate a set according to the same rule, and the comparison is prevented from being incorrect.

And then, comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the changed content.

Specifically, the set in the initial device correspondence table is subtracted from the set of the iterated device correspondence table to obtain the added content; subtracting the set of the iterated device corresponding table from the set of the initial device corresponding table to obtain deleted contents; and comparing the set in the initial device corresponding table with the set of the iterated device corresponding table to obtain the modified content.

S4, outputting the obtained modified content.

And finally, outputting the obtained change content for the staff to consult.

In a specific application, a schematic diagram generated based on EDA software is usually used, and the exemplary contents of the schematic diagram netlist generated are as follows:

NET_NAME

'SAS_RX_DP<26>'

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):SAS_RX_DP'<26>:

C_SIGNAL='@front_power_bp_lib.front_power_bp(sch_1):sas_rx_dp(26)';

NODE_NAME J9 B17

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):[email protected]_CONNECTOR.SCON74_C2700417433L(CHIPS)':

'HS_B_6': CDS_PINID='HS_B_6';

NODE_NAME J11 B1_7

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):[email protected]_CONNECTOR.CONN72_2227640_1(CHIPS)':

'RX2+_1': CDS_PINID='\rx2+_1\';

NET_NAME

'SAS_RX_DP<27>'

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):SAS_RX_DP'<27>:

C_SIGNAL='@front_power_bp_lib.front_power_bp(sch_1):sas_rx_dp(27)';

NODE_NAME J9 B5

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):[email protected]_CONNECTOR.SCON74_C2700417433L(CHIPS)':

'HS_B_2': CDS_PINID='HS_B_2';

NODE_NAME J11 A1_7

'@FRONT_POWER_BP_LIB.FRONT_POWER_BP(SCH_1):[email protected]_CONNECTOR.CONN72_2227640_1(CHIPS)':

'RX3+_1': CDS_PINID='\rx3+_1\'。

in the scheme, the corresponding relation of all NET _ NAME and connected components (NODE _ NAME) is obtained by analyzing the content of the schematic diagram netlist, and the NET _ NAME and the component corresponding table are specifically as follows:

'SAS_RX_DP<26> -- J9 B17, J11 B1_7

'SAS_RX_DP<27> -- J9 B5, J11 A1_7

the difference part is then analyzed by aggregation.

In specific implementation, the schematic diagram netlist can be detected line by line, NET _ NAME and NODE _ NAME information are extracted according to the NET _ NAME and NODE _ NAME identifications and added into a device correspondence table.

EXAMPLE III

As shown in fig. 2, the present embodiment provides a circuit board schematic diagram fast comparison apparatus, which is used for implementing the circuit board schematic diagram fast comparison method, and includes the following functional modules.

Schematic diagram network table receiving module 101: receiving an initial schematic diagram netlist and an iterated schematic diagram netlist;

the device correspondence table generation module 102: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, extracting the signal connection wires in the schematic diagram netlist and the components connected with the signal connection wires, and generating an initial device correspondence table and an iterated device correspondence table; the initial device correspondence table and the iterated device correspondence table contain information of corresponding relation between signal wiring and components;

the modified content obtaining module 103: comparing the initial device corresponding table with the iterated device corresponding table to obtain modified content;

the modified content output module 104: outputting the obtained modified content.

The device correspondence table generating module 102 needs to extract signal wires, extract components, and generate a correspondence table, and in specific implementation, three functional units may be provided to respectively implement extraction of signal wires, extraction of components, and generation of a correspondence table, so that the device correspondence table generating module 102 includes the following functional units.

Signal connection extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting signal connection lines in the schematic diagram netlist;

a component extraction unit: analyzing the initial schematic diagram netlist and the iterated schematic diagram netlist respectively, and extracting components connected with signal wirings;

a device correspondence table generation unit: and generating an initial device corresponding table and an iterated device corresponding table.

The modified content obtaining module 103 realizes the obtaining of modified content, and the modification of the schematic diagram includes addition, deletion and modification, and can be realized by three functional units. The alteration content obtaining module 103 thus includes the following functional units.

Adding a content comparison unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain increased content;

a deleted content comparing unit: comparing the initial device corresponding table with the iterated device corresponding table to obtain deleted contents;

a modified content comparing unit: and comparing the initial device corresponding table with the iterated device corresponding table to obtain the modified content.

In order to improve the obtaining efficiency of the changed content, the embodiment arranges the information in the device correspondence table into a set and compares the set with the set. The change content obtaining module may therefore also include,

a set generation unit: and respectively generating a plurality of sets according to a certain rule by the content in the initial device corresponding table and the content in the iterated device corresponding table.

Correspondingly, the added content comparing unit specifically subtracts the set in the initial device corresponding table from the set of the iterated device corresponding table to obtain added content; the deleted content comparison unit specifically subtracts the set of the iterated device correspondence table from the set of the initial device correspondence table to obtain deleted content; the modified content comparing unit specifically compares the set in the initial device correspondence table with the set of the iterated device correspondence table to obtain modified content.

The circuit board schematic diagram quick comparison device of the present embodiment is used for implementing the aforementioned circuit board schematic diagram quick comparison method, so that the specific implementation in the device can be seen in the embodiment section of the circuit board schematic diagram quick comparison method in the foregoing, and therefore, the specific implementation thereof can refer to the description of the corresponding respective section embodiments, and will not be further described herein.

In addition, since the circuit board schematic diagram fast comparison device of the embodiment is used for implementing the circuit board schematic diagram fast comparison method, the function of the circuit board schematic diagram fast comparison device corresponds to that of the circuit board schematic diagram fast comparison method, and details are not repeated here.

Example four

Fig. 3 is a schematic structural diagram of a terminal device 300 according to an embodiment of the present invention, where the terminal device 300 may be used to execute a method for quickly comparing schematic diagrams of circuit boards according to the embodiment of the present invention.

Among them, the terminal apparatus 300 may include: a processor 310, a memory 320, and a communication unit 330. The components communicate via one or more buses, and those skilled in the art will appreciate that the architecture of the servers shown in the figures is not intended to be limiting, and may be a bus architecture, a star architecture, a combination of more or less components than those shown, or a different arrangement of components.

The memory 320 may be used for storing instructions executed by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile storage terminal or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The executable instructions in memory 320, when executed by processor 310, enable terminal 300 to perform some or all of the steps in the method embodiments described below.

The processor 310 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory. The processor may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 310 may include only a Central Processing Unit (CPU). In the embodiment of the present invention, the CPU may be a single operation core, or may include multiple operation cores.

A communication unit 330, configured to establish a communication channel so that the storage terminal can communicate with other terminals. And receiving user data sent by other terminals or sending the user data to other terminals.

EXAMPLE five

The present invention also provides a computer storage medium, wherein the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).

Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in the form of a software product, where the computer software product is stored in a storage medium, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like, and the storage medium can store program codes, and includes instructions for enabling a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, and the like) to perform all or part of the steps of the method in the embodiments of the present invention.

The same and similar parts in the various embodiments in this specification may be referred to each other. Especially, for the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant points can be referred to the description in the method embodiment.

In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments without departing from the principle of the present invention shall fall within the protection scope of the present invention.