CN109395418A - Bus master-slave equipment determines method and system and its medium and bus apparatus - Google Patents
Bus master-slave equipment determines method and system and its medium and bus apparatus Download PDFInfo
- Publication number
- CN109395418A CN109395418A CN201811347732.2A CN201811347732A CN109395418A CN 109395418 A CN109395418 A CN 109395418A CN 201811347732 A CN201811347732 A CN 201811347732A CN 109395418 A CN109395418 A CN 109395418A
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- bus
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- itself
- slave
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Bus Control (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of bus master-slave equipments to determine method and system and its medium and bus apparatus, step is determined including principal and subordinate: according to local preset id information and priority relationship, by the bus apparatus of the id information instruction of highest priority in all bus equipment of current connection bus, it is determined as bus master, remaining bus apparatus is determined as bus slave；Wherein, id information passes through bus transfer.The present invention judges priority corresponding to each id information according to the preset id information of bus apparatus, bus apparatus belonging to id information by highest priority is determined as bus master, remaining bus apparatus is determined as bus slave, and have newly-increased bus apparatus and bus master it is offline in the case where still be able to generate new bus master or bus slave.
Description
Technical field
The present invention relates to electronic building blocks fields, and in particular, to bus master-slave equipment determines method and system and its medium
With bus apparatus.
Background technique
Electronics technology building blocks can be formed after traditional particle building blocks combination electronics technology, energy between these electronics technology building blocks
Enough function of the mutually communication to realize control be controlled, so that these multiple building blocks realize advanced function on the whole, and
Control and the one kind for by control itself for children being also playing method, after can therefrom obtaining many enjoyment and realizing control link
Sense of accomplishment.
It controls and is controlled due to being related to, must just have different role status between multiple building blocks, thus
Realize the relationship in control.Controller is called main equipment, and controlled person is called from equipment.Main equipment is to one or more from equipment
It is controlled, realizes function under control of the master device from equipment.
Patent document CN2537081Y discloses a kind of intellectual toy bricks, contains main module in a whole set of building blocks and sets as master
It is standby, it is used as from module from equipment, to form master & slave control relationship.Patent document CN105913741A is equally provided with main equipment
With from equipment, the training mode for the formula of playing with building blocks is realized, which solve how the equipment in part is damaged relative to integration apparatus
Bad when, does not influence the normal work of other equipment.Patent document CN107754349A discloses a kind of intelligent building blocks, is provided with master
Module and from module, main module include main display unit, main wireless communication unit, main CPU unit, main NFC unit, negative from module
Duty receives the data that main module distributes, and the module number near itself is uploaded to main module.
Shortcoming in the prior art is: main module, be from the role relation of module it is preset, and unconvertible,
Once main module damage goes offline or do not access, work will be unable to from module.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of bus master-slave equipments to determine method and system
And its medium and bus apparatus.
A kind of bus master-slave equipment provided according to the present invention determines method, comprising:
Principal and subordinate determines step: according to local preset id information and priority relationship, by all total of current connection bus
The bus apparatus of the id information instruction of highest priority, is determined as bus master, remaining bus apparatus is determined as in line equipment
Bus slave；Wherein, id information passes through bus transfer.
Preferably, further includes:
Main equipment detecting step: judge whether to receive the main equipment statement signal from bus, wherein the main equipment
State that there is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself conduct
Bus slave；Otherwise, then determine that step continues to execute into the principal and subordinate.
Preferably, the principal and subordinate determines step, comprising:
Equipment of itself ID step of transmitting: to the id information of bus transmitting equipment of itself.
Preferably, the principal and subordinate determines step, comprising:
Other device id receiving steps: receiving the id information from other equipment from bus, is believed according to local preset ID
Breath and priority relationship, when equipment of itself priority is higher issue equipment of itself id information, equipment of itself priority compared with
Determine itself for bus slave when low.
Preferably, the principal and subordinate determines step, comprising:
Main equipment determines step: when preset condition meets, not receiving the id information of other equipment, it is determined that itself
As bus master.
A kind of bus master-slave equipment provided according to the present invention determines system, comprising:
Principal and subordinate's determining module: according to local preset id information and priority relationship, by all total of current connection bus
The bus apparatus of the id information instruction of highest priority, is determined as bus master, remaining bus apparatus is determined as in line equipment
Bus slave；Wherein, id information passes through bus transfer.
Preferably, further includes:
Main equipment detection module: judge whether to receive the main equipment statement signal from bus, wherein the main equipment
State that there is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself conduct
Bus slave；Otherwise, then it is continued to execute into principal and subordinate's determining module.
Preferably, principal and subordinate's determining module, comprising:
Equipment of itself ID transmitting module: to the id information of bus transmitting equipment of itself.
Preferably, principal and subordinate's determining module, comprising:
Other device id receiving modules: receiving the id information from other equipment from bus, is believed according to local preset ID
Breath and priority relationship, when equipment of itself priority is higher issue equipment of itself id information, equipment of itself priority compared with
Determine itself for bus slave when low.
Preferably, principal and subordinate's determining module, comprising:
Main equipment determining module: when preset condition meets, the id information of other equipment is not received, it is determined that itself
As bus master.
Preferably, the preset condition includes following any condition or appoints a variety of conditions:
Condition A: period；
Condition B: signal period；
Condition C: the quantity that the id information for the other equipment having received reaches；
Condition D: the number that other device id receiving steps reach is executed.
Preferably, the id information of bus apparatus and priority relationship are one-to-one relationship.
A kind of computer readable storage medium for being stored with computer program provided according to the present invention, the computer journey
The step of method is realized when sequence is executed by processor.
A kind of bus apparatus provided according to the present invention, including controller, wherein the controller includes the bus
Master-slave equipment determines system or the computer readable storage medium for being stored with computer program.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention judges priority corresponding to each id information according to the preset id information of bus apparatus, by highest priority
Id information belonging to bus apparatus be determined as bus master, remaining bus apparatus is determined as bus slave, and has new
It still is able to generate new bus master or bus slave in the case that increasing bus apparatus and bus master are offline.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the step flow chart that a kind of bus master-slave equipment provided by the invention determines method.
Fig. 2 is the structure principle chart that a kind of bus master-slave equipment provided by the invention determines system.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of bus master-slave equipment provided according to the present invention determines method, comprising:
Main equipment detecting step: judge whether to receive the main equipment statement signal from bus, wherein the main equipment
State that there is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself conduct
Bus slave；Otherwise, then determine that step continues to execute into the principal and subordinate.
Principal and subordinate determines step: according to local preset id information and priority relationship, by all total of current connection bus
The bus apparatus of the id information instruction of highest priority, is determined as bus master, remaining bus apparatus is determined as in line equipment
Bus slave；Wherein, id information passes through bus transfer.The principal and subordinate determines step, comprising: equipment of itself ID step of transmitting:
To the id information of bus transmitting equipment of itself.Other device id receiving steps: receiving the id information from other equipment from bus,
According to local preset id information and priority relationship, the id information of equipment of itself is issued when equipment of itself priority is higher,
Determine itself for bus slave when equipment of itself priority is lower.Main equipment determines step: when preset condition meets,
The id information of other equipment is not received, it is determined that equipment of itself is as bus master.
Specifically, bus master-slave equipment provided by the invention determines method, especially a kind of bus in bus apparatus
Master-slave equipment determines method, and bus apparatus by bus master-slave equipment determines method to realize to itself being main equipment or from setting
The identification of standby role relation, and with the main equipment being used as by other bus apparatus or carry out being adapted to communication from equipment.
Assuming that there are three bus apparatus and a power supply, wherein these bus apparatus and power supply are building blocks, therefore
It is denoted as respectively: building blocks A, building blocks B, building blocks C, power supply building blocks.Building blocks A, it building blocks B, building blocks C, is electrically connected between power supply building blocks, this
When power supply building blocks be in close state, building blocks A, building blocks B, building blocks C are in power failure state.After power supply building blocks open power supply,
Building blocks A, building blocks B, building blocks C are powered on, since building blocks A, building blocks B, building blocks C are accessed on same bus, it is therefore desirable to set one
A main equipment and two are from equipment, if power supply building blocks are not preset as from equipment, need to set three from equipment, hereinafter with
Power supply building blocks have been preset as being illustrated for equipment.
Firstly, building blocks A, building blocks B, building blocks C respectively judge whether to receive the statement signal of the main equipment from bus,
Wherein, there is currently bus masters for the main equipment statement signal designation bus.Due to currently just powering on main equipment not yet,
Main equipment statement signal is naturally also issued without main equipment therefore determines that step continues to execute into the principal and subordinate.
Then, building blocks A, building blocks B, building blocks C will currently connect bus according to local preset id information and priority relationship
All bus equipment in highest priority id information instruction bus apparatus, be determined as bus master, remaining bus is set
It is standby to be determined as bus slave；Wherein, id information passes through bus transfer.Specifically, it is assumed that building blocks A, building blocks B, preset in building blocks C
Id information be respectively IDA, IDB, IDC, wherein the highest priority of IDB, the preferential level of IDA is high, and the priority of IDC is most
It is low.Any one of building blocks A, building blocks B, building blocks C detect bus free, then to the id information of bus transmitting equipment of itself, example
As building blocks A sends to bus the id information of itself, i.e. IDA.Building blocks C receives IDA, carries out with the id information IDC of equipment of itself
Priority ratio compared with, it is found that the priority of the IDA received is higher than itself IDC, thus building blocks C assert equipment of itself priority compared with
It is low, determine itself for bus slave.Building blocks B also has received IDA, it is found that the priority of the IDA received is lower than itself
IDB, therefore building blocks B assert that equipment of itself priority is higher, then the ID of equipment of itself is issued when equipment of itself priority is higher
Information ID B.
Later, building blocks A receives IDB, carries out priority ratio compared with finding to receive with the id information IDA of equipment of itself
The priority of IDB is higher than itself IDA, therefore building blocks A assert that equipment of itself priority is lower, determines itself to be bus from setting
It is standby.
So far, building blocks A, building blocks C are not sent further on the id information of itself to strive for bus master, therefore building blocks B exists
The id information of other building blocks is not received by the preset time, then it is assumed that preset condition has met, and does not receive other equipment
Id information, determine itself as bus master.So that it is determined that building blocks B is as bus master, building blocks A, building blocks C conduct
Bus slave.Building blocks B periodically will issue main equipment to bus as bus master and state signal, total with notice access
The existing bus master of other bus apparatus of line.
Further, when there is new bus apparatus, it is assumed that building blocks D comes from when accessing bus it is first determined whether receiving
The main equipment of bus states signal, the result is that the main equipment statement signal of building blocks B sending can be received, therefore building blocks D is determined certainly
Body equipment is as bus slave.
Further, after building blocks B is removed, building blocks B is offline from bus, all without bus master at this time
Send to phase property main equipment statement signal.Building blocks A, building blocks C, building blocks D also in bus will judge whether to receive from total
The main equipment of line states signal, and is not received by main equipment statement signal, determines that step continues to execute into the principal and subordinate, directly
To there is bus master appearance.Wherein, bus slave periodically judges whether to receive the statement of the main equipment from bus
Signal, to find the offline of bus master in time.Wherein, the main equipment statement signal can be heartbeat signal, control letter
Number or data-signal, periodically issued by bus master.
In preference, the id information and priority relationship of bus apparatus are one-to-one relationship.That is, different buses is set
The corresponding priority of standby id information is different.The preset condition includes following any condition or a variety of conditions: item
Part A: period, such as preset set time；Condition B: the signal period, such as preset 100 signal periods；Condition C: it has connect
The quantity that the id information of the other equipment received reaches, such as a set of building blocks totally 10 building blocks, then can be by quantity 9 as up to standard
Quantity a, after building blocks have received 9 from the id information of other building blocks equipment, it is known that having been received that whole
Other building blocks id information；Condition D: executing the number that other device id receiving steps reach, and every execution is primary described
Other device id receiving steps are then known that the id information for having been received that an other building blocks equipment.
In change case, the main equipment detecting step can be omitted.Then building blocks A, building blocks B, building blocks C are true by principal and subordinate
Determine step also and the determination of bus master, bus slave may be implemented.
A kind of bus master-slave equipment provided by the invention determines system, and those skilled in the art can be by the bus principal and subordinate
Equipment determines that method is interpreted as the specific embodiment that the bus master-slave equipment determines system, and the bus master-slave equipment is true
Determining system can determine that the step process of method is realized by executing the bus master-slave equipment.Specifically, it mentions according to the present invention
A kind of bus master-slave equipment supplied determines system, comprising:
Principal and subordinate's determining module: according to local preset id information and priority relationship, by all total of current connection bus
The bus apparatus of the id information instruction of highest priority, is determined as bus master, remaining bus apparatus is determined as in line equipment
Bus slave；Wherein, id information passes through bus transfer.
Main equipment detection module: judge whether to receive the main equipment statement signal from bus, wherein the main equipment
State that there is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself conduct
Bus slave；Otherwise, then it is continued to execute into principal and subordinate's determining module.
Preferably, principal and subordinate's determining module, comprising:
Equipment of itself ID transmitting module: to the id information of bus transmitting equipment of itself.
Other device id receiving modules: receiving the id information from other equipment from bus, is believed according to local preset ID
Breath and priority relationship, when equipment of itself priority is higher issue equipment of itself id information, equipment of itself priority compared with
Determine itself for bus slave when low.
Main equipment determining module: when preset condition meets, the id information of other equipment is not received, it is determined that itself
As bus master.
A kind of computer readable storage medium for being stored with computer program provided according to the present invention, the computer journey
The step of method is realized when sequence is executed by processor.
A kind of bus apparatus provided according to the present invention, including controller, wherein the controller includes the bus
Master-slave equipment determines system or the computer readable storage medium for being stored with computer program.In preference, institute
Bus apparatus is stated as intelligent building blocks.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that provided by the invention other than system, device and its modules
System, device and its modules are declined with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion
The form of controller etc. realizes identical program.So system provided by the invention, device and its modules may be considered that
It is a kind of hardware component, and the knot that the module for realizing various programs for including in it can also be considered as in hardware component
Structure；It can also will be considered as realizing the module of various functions either the software program of implementation method can be Hardware Subdivision again
Structure in part.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (14)
1. a kind of bus master-slave equipment determines method characterized by comprising
Principal and subordinate determines step: according to local preset id information and priority relationship, all bus of current connection bus being set
The bus apparatus that the id information of standby middle highest priority indicates, is determined as bus master, remaining bus apparatus is determined as bus
From equipment；Wherein, id information passes through bus transfer.
2. bus master-slave equipment according to claim 1 determines method, which is characterized in that further include:
Main equipment detecting step: judge whether to receive the main equipment statement signal from bus, wherein the main equipment statement
There is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself is as bus
From equipment；Otherwise, then determine that step continues to execute into the principal and subordinate.
3. bus master-slave equipment according to claim 1 determines method, which is characterized in that the principal and subordinate determines step, packet
It includes:
Equipment of itself ID step of transmitting: to the id information of bus transmitting equipment of itself.
4. bus master-slave equipment according to claim 1 determines method, which is characterized in that the principal and subordinate determines step, packet
It includes:
Other device id receiving steps: receiving the id information from other equipment from bus, according to local preset id information with
Priority relationship issues the id information of equipment of itself when equipment of itself priority is higher, when equipment of itself priority is lower
Determine itself for bus slave.
5. bus master-slave equipment according to claim 1 or 4 determines method, which is characterized in that the principal and subordinate determines step,
Include:
Main equipment determines step: when preset condition meets, not receiving the id information of other equipment, it is determined that itself conduct
Bus master.
6. a kind of bus master-slave equipment determines system characterized by comprising
Principal and subordinate's determining module: according to local preset id information and priority relationship, all bus of current connection bus is set
The bus apparatus that the id information of standby middle highest priority indicates, is determined as bus master, remaining bus apparatus is determined as bus
From equipment；Wherein, id information passes through bus transfer.
7. bus master-slave equipment according to claim 1 determines system, which is characterized in that further include:
Main equipment detection module: judge whether to receive the main equipment statement signal from bus, wherein the main equipment statement
There is currently bus masters for signal designation bus；If receiving main equipment statement signal, it is determined that equipment of itself is as bus
From equipment；Otherwise, then it is continued to execute into principal and subordinate's determining module.
8. bus master-slave equipment according to claim 1 determines system, which is characterized in that principal and subordinate's determining module, packet
It includes:
Equipment of itself ID transmitting module: to the id information of bus transmitting equipment of itself.
9. bus master-slave equipment according to claim 1 determines system, which is characterized in that principal and subordinate's determining module, packet
It includes:
Other device id receiving modules: receiving the id information from other equipment from bus, according to local preset id information with
Priority relationship issues the id information of equipment of itself when equipment of itself priority is higher, when equipment of itself priority is lower
Determine itself for bus slave.
10. bus master-slave equipment according to claim 1 or 4 determines system, which is characterized in that the principal and subordinate determines mould
Block, comprising:
Main equipment determining module: when preset condition meets, the id information of other equipment is not received, it is determined that itself conduct
Bus master.
11. bus master-slave equipment according to claim 5 determines that method or bus principal and subordinate described in any one of claim 10 are set
It is standby to determine system, which is characterized in that the preset condition includes following any condition or appoints a variety of conditions:
Condition A: period；
Condition B: signal period；
Condition C: the quantity that the id information for the other equipment having received reaches；
Condition D: the number that other device id receiving steps reach is executed.
12. bus master-slave equipment according to claim 1 determines that method or bus principal and subordinate as claimed in claim 6 are set
It is standby to determine system, which is characterized in that the id information and priority relationship of bus apparatus are one-to-one relationship.
13. a kind of computer readable storage medium for being stored with computer program, which is characterized in that the computer program is located
The step of reason device realizes method described in any one of claims 1 to 5, claim 11 or claim 12 when executing.
14. a kind of bus apparatus, which is characterized in that including controller, wherein the controller includes in claim 6 to 12
Described in any item bus master-slave equipments determine the computer that computer program is stored with described in system or claim 13
Readable storage medium storing program for executing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347732.2A CN109395418B (en) | 2018-11-13 | 2018-11-13 | Bus master-slave equipment determining method and system, medium thereof and bus equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347732.2A CN109395418B (en) | 2018-11-13 | 2018-11-13 | Bus master-slave equipment determining method and system, medium thereof and bus equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109395418A true CN109395418A (en) | 2019-03-01 |
| CN109395418B CN109395418B (en) | 2022-02-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811347732.2A Active CN109395418B (en) | 2018-11-13 | 2018-11-13 | Bus master-slave equipment determining method and system, medium thereof and bus equipment |
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| CN113067880A (en) * | 2021-03-29 | 2021-07-02 | 中车青岛四方车辆研究所有限公司 | Distributed control system chain type time-sharing communication method and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109395418B (en) | 2022-02-11 |
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