CN107231455A - A kind of method and device for distributing mailing address - Google Patents
A kind of method and device for distributing mailing address Download PDFInfo
- Publication number
- CN107231455A CN107231455A CN201710631702.3A CN201710631702A CN107231455A CN 107231455 A CN107231455 A CN 107231455A CN 201710631702 A CN201710631702 A CN 201710631702A CN 107231455 A CN107231455 A CN 107231455A
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- Prior art keywords
- node
- node device
- sent
- address
- mailing address
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5092—Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use
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- Small-Scale Networks (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention proposes a kind of method and device for distributing mailing address.A kind of method for distributing mailing address, applied to the node device on universal serial bus, this method includes：Receive the mailing address that the first node equipment adjacent with the node device is sent；The mailing address sent according to the first node equipment, calculating obtains self communication address；The self communication address is sent to the Section Point equipment adjacent with the node device, makes the Section Point equipment according to the self communication address, calculates the mailing address of the Section Point equipment itself.Using the above method, it can realize and distribute mailing address automatically for serial bus node equipment, improve mailing address allocative efficiency.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of method and device for distributing mailing address.
Background technology
Universal serial bus is widely used in realizing data exchange in computer and industrial control field.In serial bus communication mistake
Each node device on Cheng Zhong, universal serial bus shares universal serial bus, and the communication information that any one node device is sent can
It is enough to be received by other node devices in bus.In order to identify the node device of transmission or receive information, it is necessary to be universal serial bus
On each node device distribute a unique mailing address.
The existing feasible method that mailing address is distributed for serial bus node equipment is in the way of manual allocation, to be
Each node device on universal serial bus distributes unique mailing address respectively.When node device quantity is more on universal serial bus
When, mailing address is distributed respectively by artificial each node device on universal serial bus, for staff, is undoubtedly
One heavy manual labor, and allocative efficiency is not high.Therefore, it is automatically the section on universal serial bus to need badly in the industry a kind of
The method that point device distributes mailing address, to reduce staff's amount of labour, improves mailing address allocative efficiency.
The content of the invention
Defect and deficiency based on above-mentioned prior art, the present invention propose a kind of method and device for distributing mailing address,
The automatic node device distribution mailing address on universal serial bus can be realized.
A kind of method for distributing mailing address, applied to the node device on universal serial bus, this method includes：
Receive the mailing address that the first node equipment adjacent with the node device is sent；
The mailing address sent according to the first node equipment, calculating obtains self communication address；
The self communication address is sent to the Section Point equipment adjacent with the node device, makes the second section
Point device calculates the mailing address of the Section Point equipment itself according to the self communication address.
Preferably, the mailing address sent according to the first node equipment, calculating obtains self communication address, wrapped
Include：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication
Address.
Preferably, the mailing address sent to the first node equipment, the mathematical operation processing set, is obtained
To self communication address, including：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
Preferably, when the first node equipment adjacent with the node device be host device when, the reception with it is described
The mailing address that the adjacent first node equipment of node device is sent, including：
Receive what the host device adjacent with the node device was sent, the host device distributes for the node device
Mailing address.
Preferably, when the node device on the universal serial bus is last node device on the universal serial bus
When, in the mailing address sent according to the first node equipment, calculating is obtained behind self communication address, and this method also includes：
Whether the cycle detection according to setting has the node device newly added and last section on the universal serial bus
Point device is connected；
, will when detecting the node device newly added and being connected with last node device on the universal serial bus
The self communication address is sent to the node device of the new addition, make the node device of the new addition according to it is described itself
Mailing address, calculates the mailing address of the node device itself of the new addition.
A kind of device for distributing mailing address, applied to the node device on universal serial bus, the device includes：
Data receipt unit, for receiving the mailing address that the first node equipment adjacent with the node device is sent；
Computing unit, for the mailing address sent according to the first node equipment, calculating obtains self communication address；
Data transmission unit, for the self communication address to be sent into the Section Point adjacent with the node device
Equipment, makes the Section Point equipment according to the self communication address, calculates the Section Point equipment itself communicatedly
Location.
Preferably, the mailing address that the computing unit is sent according to the first node equipment, calculating obtains itself and led to
When believing address, specifically for：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication
Address.
Preferably, the mailing address that the computing unit is sent to the first node equipment, the mathematics fortune set
Calculation is handled, when obtaining self communication address, specifically for：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
Preferably, when the first node equipment adjacent with the node device is host device, the data receiver list
When member receives the mailing address that the first node equipment adjacent with the node device is sent, specifically for：
Receive what the host device adjacent with the node device was sent, the host device distributes for the node device
Mailing address.
Preferably, the device also includes：
Detection process unit, for being last on the universal serial bus when the node device on the universal serial bus
During node device, the mailing address sent in the computing unit according to the first node equipment, calculating obtains self communication
Behind address, whether there are the node device newly added and last node on the universal serial bus according to the cycle detection of setting
Equipment is connected；When detecting the node device newly added and being connected with last node device on the universal serial bus,
Control the data transmission unit that the self communication address is sent to the node device of the new addition, make the new addition
Node device according to the self communication address, calculate the mailing address of the node device itself of the new addition.
The method of distribution mailing address proposed by the present invention, applied to the node device on universal serial bus.On universal serial bus
Node device receive the mailing address that adjacent first node equipment is sent, and calculated according to the mailing address of reception obtain from
Body mailing address, the self communication address for then obtaining calculating is sent to the Section Point equipment adjacent with itself.Second section
Point device calculates self communication address, then again Section Point according to above-mentioned same method according to the mailing address of reception
The mailing address of equipment itself is sent to next node equipment, by that analogy, and using technical solution of the present invention, each node is set
It is standby to be calculated automatically from itself unique mailing address, realize the automatic node device distribution communication on universal serial bus
The purpose of address, improves mailing address allocative efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of method for distributing mailing address provided in an embodiment of the present invention；
Fig. 2 is a kind of serial bus system structural representation provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of device for distributing mailing address provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the device of another distribution mailing address provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of method for distributing mailing address, applied to the node device on universal serial bus,
Shown in Figure 1, this method includes：
The mailing address that S101, reception the first node equipment adjacent with the node device are sent；
Specifically, the node device on universal serial bus is connected in series in the way of shown in Fig. 2.Remove universal serial bus end to end
Node device outside, each node device on universal serial bus has two adjacent node devices.
Main machine frame is for example being used as by programmable logic controller (PLC) (Programmable Logic Controller, PLC)
Into serial bus communication in, be usually since first node device be connected with PLC main frames distribution mailing address,
Until last node device of universal serial bus.
The first node equipment adjacent with the node device on universal serial bus described in the embodiment of the present invention, refers to that node is set
Standby previous node device, i.e., according to the above-mentioned mailing address method of salary distribution, the previous node of the allocated mailing address is set
It is standby.
The previous node device adjacent with node device is after the mailing address of itself is confirmed, by the mailing address of itself
It is sent to above-mentioned node device.
Above-mentioned mailing address, is typically address code numerically.Each node device distribution is unique communicatedly
Location.
S102, the mailing address sent according to the first node equipment, calculating obtain self communication address；
Specifically, after node device receives the mailing address that adjacent first node equipment is sent, according to first segment
The mailing address of point device, calculates the mailing address of itself.
It should be noted that node device is according to computational methods set in advance, the mailing address of itself is calculated, and
And, the computational methods ensure that the mailing address calculated according to a certain mailing address, necessarily with above-mentioned a certain mailing address
It is different.That is, above-mentioned computational methods ensure that the mailing address that each node device is calculated will not be repeated, all it is only
One presence.
S103, the self communication address is sent to the Section Point equipment adjacent with the node device, made described
Section Point equipment calculates the mailing address of the Section Point equipment itself according to the self communication address.
Specifically, after node device calculating obtains the mailing address of itself, self communication address is then forwarded to and oneself
The next node equipment of body connection, i.e., Section Point equipment adjacent with itself.Then, Section Point equipment receives above-mentioned
After the mailing address that node device is sent, using S102 identical methods, calculating obtains self communication address, and by second section
The mailing address of point device itself is sent to next one node device adjacent with Section Point equipment.By that analogy, each
Node device performs step S101~S103 respectively, that is, realize on universal serial bus the mailing address of each node device from
Dynamic distribution.
The method for the distribution mailing address that the embodiment of the present invention is proposed, applied to the node device on universal serial bus.Serially
Node device in bus receives the mailing address that adjacent first node equipment is sent, and is calculated according to the mailing address of reception
Self communication address is obtained, the self communication address for then obtaining calculating is sent to the Section Point equipment adjacent with itself.
Section Point equipment calculates self communication address according to above-mentioned same method according to the mailing address of reception, then again the
The two node devices mailing address of itself is sent to next node equipment, by that analogy, using technical side of the embodiment of the present invention
Case, each node device can be calculated automatically from itself unique mailing address, realize the automatic section on universal serial bus
Point device distributes the purpose of mailing address, improves mailing address allocative efficiency.
Optionally, in another embodiment of the present invention, it is described to be sent communicatedly according to the first node equipment
Location, calculating obtains self communication address, including：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication
Address.
Specifically, be that each node device presets unified mathematical algorithms respectively in embodiments of the present invention,
The mathematical algorithms, are calculated for by a certain mailing address, calculating and obtaining another mailing address, and ensure that
To mailing address be different from.For example, the operation methods such as multiplying, division arithmetic, square operation can be set.
After node device receives the mailing address that adjacent first node equipment is sent, using above-mentioned set in advance
Mathematical algorithms, perform mathematical calculations processing to the mailing address, obtains another mailing address, and by obtain another
Mailing address, is used as the mailing address of itself.
Optionally, in another embodiment of the present invention, the mailing address sent to the first node equipment,
The mathematical operation processing set, obtains self communication address, including：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
Specifically, in embodiments of the present invention, being that node device sets simple mathematical algorithms, enabling node device
Enough rapidly according to the mailing address of reception, calculating obtains self communication address.Above-mentioned simple mathematical algorithms are transported Jia 1
Calculate, i.e., the mailing address of reception is added 1 by node device, obtained new mailing address, is used as self communication address.
Optionally, in another embodiment of the present invention, when the first node equipment adjacent with the node device is
During host device, the mailing address that the reception first node equipment adjacent with the node device is sent, including：
Receive what the host device adjacent with the node device was sent, the host device distributes for the node device
Mailing address.
Specifically, when node device is the node device being joined directly together with host device, it is above-mentioned adjacent with node device
First node equipment, as above-mentioned host device.
In embodiments of the present invention, host device directly distributes mailing address for connected node device, and will divide
The mailing address matched somebody with somebody is sent to node device.
It should be noted that in above-mentioned scene, i.e., it is main when the adjacent first node equipment of node device is host device
Machine equipment is that the node device is assigned with mailing address, and mailing address is sent to after the node device, and node device is no longer
Perform step S102, i.e., without the mailing address for calculating itself again, but directly send host device, it is what itself was distributed
Mailing address, is sent to the Section Point equipment adjacent with itself.
Optionally, in another embodiment of the present invention, when the node device on the universal serial bus is described serial
During last node device in bus, in the mailing address sent according to the first node equipment, calculating obtains itself
After mailing address, this method also includes：
Whether the cycle detection according to setting has the node device newly added and last section on the universal serial bus
Point device is connected；
, will when detecting the node device newly added and being connected with last node device on the universal serial bus
The self communication address is sent to the node device of the new addition, make the node device of the new addition according to it is described itself
Mailing address, calculates the mailing address of the node device itself of the new addition.
Specifically, being last node on universal serial bus when implementing the node device of technical scheme of the embodiment of the present invention
During equipment, because the node device does not have adjacent Section Point equipment, therefore, after calculating obtains the mailing address of itself,
Without the destination node equipment of self communication address can be sent.
In this case, the embodiment of the present invention makes node device according to the cycle of setting, has detected whether that new add should
The node device of serial bus system is connected with the node device.If detecting the node device newly added to set with the node
Standby connection, then the self communication address calculated is sent to the node device of the new addition by the node device, and
And stop detecting whether that the node device for newly adding the serial bus system is connected with the node device.The node newly added is set
Standby to receive after mailing address, according to S102 method, calculating obtains the mailing address of itself.
Now, the node device newly added is also without that can send the destination node equipment of self communication address, therefore,
The node device newly added starts the cycle according to setting, detects whether and have the node device for newly adding the serial bus system
It is connected with the node device of the new addition.When having the node device newly added again, self communication address is sent to new addition
Node device.
In summary, when last node that the node device for implementing technical scheme of the embodiment of the present invention is universal serial bus
During equipment, the equipment newly to be added by cycle detection, when detecting the equipment newly added, self communication address is sent to
The equipment newly added.
The embodiment of the invention discloses a kind of device for distributing mailing address, applied to the node device on universal serial bus,
Shown in Figure 3, the device includes：
Data receipt unit 301, sends communicatedly for receiving the first node equipment adjacent with the node device
Location；
Computing unit 302, for the mailing address sent according to the first node equipment, is calculated with obtaining self communication
Location；
Data transmission unit 303, for the self communication address to be sent into second adjacent with the node device
Node device, makes the Section Point equipment according to the self communication address, calculates the logical of the Section Point equipment itself
Believe address.
Specifically, in the present embodiment unit specific works content, refer to the content of above method embodiment, this
Place is repeated no more.
Optionally, in another embodiment of the present invention, computing unit 302 is sent according to the first node equipment
Mailing address, when calculating obtains self communication address, specifically for：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication
Address.
Specifically, the specific works content of the computing unit 302 in the present embodiment, refers to the interior of above method embodiment
Hold, here is omitted.
Optionally, in another embodiment of the present invention, computing unit 302 leads to the first node equipment transmission
Believe address, the mathematical operation processing set, when obtaining self communication address, specifically for：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
Specifically, the specific works content of the computing unit 302 in the present embodiment, refers to the interior of above method embodiment
Hold, here is omitted.
Optionally, in another embodiment of the present invention, when the first node equipment adjacent with the node device is
During host device, data receipt unit 301 receives the mailing address that the first node equipment adjacent with the node device is sent
When, specifically for：
Receive what the host device adjacent with the node device was sent, the host device distributes for the node device
Mailing address.
Specifically, the specific works content of the data receipt unit 301 in the present embodiment, refers to above method embodiment
Content, here is omitted.
Optionally, in another embodiment of the present invention, shown in Figure 4, the device also includes：
Detection process unit 304, for being last on the universal serial bus when the node device on the universal serial bus
During one node device, the mailing address sent in computing unit 302 according to the first node equipment, calculating obtains itself and led to
Believe behind address whether there is the node device newly added and last section on the universal serial bus according to the cycle detection of setting
Point device is connected；It is connected when detecting the node device that newly adds with last node device on the universal serial bus
When, the self communication address is sent to the node device of the new addition by control data transmitting element 303, make it is described new plus
The node device entered calculates the mailing address of the node device itself of the new addition according to the self communication address.
Specifically, the specific works content of the detection process unit 304 in the present embodiment, refers to above method embodiment
Content, here is omitted.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of method for distributing mailing address, it is characterised in that applied to the node device on universal serial bus, this method bag
Include：
Receive the mailing address that the first node equipment adjacent with the node device is sent；
The mailing address sent according to the first node equipment, calculating obtains self communication address；
The self communication address is sent to the Section Point equipment adjacent with the node device, the Section Point is set
For according to the self communication address, the mailing address of the Section Point equipment itself is calculated.
2. according to the method described in claim 1, it is characterised in that described to be sent communicatedly according to the first node equipment
Location, calculating obtains self communication address, including：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication address.
3. method according to claim 2, it is characterised in that described to be sent communicatedly to the first node equipment
Location, the mathematical operation processing set, obtains self communication address, including：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
4. according to the method described in claim 1, it is characterised in that when the first node equipment adjacent with the node device is
During host device, the mailing address that the reception first node equipment adjacent with the node device is sent, including：
Receive what the host device adjacent with the node device was sent, the host device is the logical of node device distribution
Believe address.
5. according to the method described in claim 1, it is characterised in that when the node device on the universal serial bus is described serial
During last node device in bus, in the mailing address sent according to the first node equipment, calculating obtains itself
After mailing address, this method also includes：
Whether the cycle detection according to setting has the node device newly added to be set with last node on the universal serial bus
Standby connection；
, will be described when detecting the node device newly added and being connected with last node device on the universal serial bus
Self communication address is sent to the node device of the new addition, makes the node device of the new addition according to the self communication
Address, calculates the mailing address of the node device itself of the new addition.
6. a kind of device for distributing mailing address, it is characterised in that applied to the node device on universal serial bus, the device bag
Include：
Data receipt unit, for receiving the mailing address that the first node equipment adjacent with the node device is sent；
Computing unit, for the mailing address sent according to the first node equipment, calculating obtains self communication address；
Data transmission unit, sets for the self communication address to be sent into the Section Point adjacent with the node device
It is standby, make the Section Point equipment according to the self communication address, calculate the mailing address of the Section Point equipment itself.
7. device according to claim 6, it is characterised in that the computing unit is sent according to the first node equipment
Mailing address, calculating is when obtaining self communication address, specifically for：
The mailing address sent to the first node equipment, the mathematical operation processing set, obtains self communication address.
8. device according to claim 7, it is characterised in that the computing unit is sent to the first node equipment
Mailing address, the mathematical operation processing set, when obtaining self communication address, specifically for：
The mailing address that the first node equipment is sent adds 1, obtains self communication address.
9. device according to claim 6, it is characterised in that when the first node equipment adjacent with the node device is
During host device, the data receipt unit receives the mailing address that the first node equipment adjacent with the node device is sent
When, specifically for：
Receive what the host device adjacent with the node device was sent, the host device is the logical of node device distribution
Believe address.
10. device according to claim 6, it is characterised in that the device also includes：
Detection process unit, for being last node on the universal serial bus when the node device on the universal serial bus
During equipment, the mailing address sent in the computing unit according to the first node equipment, calculating obtains self communication address
Afterwards, whether there are the node device newly added and last node device on the universal serial bus according to the cycle detection of setting
Connection；When detecting the node device newly added and being connected with last node device on the universal serial bus, control
The self communication address is sent to the node device of the new addition by the data transmission unit, makes the section of the new addition
Point device calculates the mailing address of the node device itself of the new addition according to the self communication address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710631702.3A CN107231455A (en) | 2017-07-28 | 2017-07-28 | A kind of method and device for distributing mailing address |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710631702.3A CN107231455A (en) | 2017-07-28 | 2017-07-28 | A kind of method and device for distributing mailing address |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107231455A true CN107231455A (en) | 2017-10-03 |
Family
ID=59956691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710631702.3A Pending CN107231455A (en) | 2017-07-28 | 2017-07-28 | A kind of method and device for distributing mailing address |
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| CN110401732A (en) * | 2019-07-29 | 2019-11-01 | 江西科然科技有限公司 | Battery management system slave addresses distribution method, system, mobile terminal and storage medium |
| CN113595845A (en) * | 2021-07-23 | 2021-11-02 | 河北旭辉电气股份有限公司 | Method for realizing ring network communication |
| WO2023010848A1 (en) * | 2021-08-05 | 2023-02-09 | 青岛海信日立空调系统有限公司 | Central air-conditioning control system |
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| CN105812504A (en) * | 2016-04-18 | 2016-07-27 | 常州格力博有限公司 | Intelligent communication address coding method |
| CN105991788A (en) * | 2015-03-04 | 2016-10-05 | 上海开通数控有限公司 | Method for realizing slave network address assignment based on NFC communication |
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| CN105991788A (en) * | 2015-03-04 | 2016-10-05 | 上海开通数控有限公司 | Method for realizing slave network address assignment based on NFC communication |
| CN105049551A (en) * | 2015-08-27 | 2015-11-11 | 赵忠义 | System and method for automatically distributing address via bus |
| CN105812504A (en) * | 2016-04-18 | 2016-07-27 | 常州格力博有限公司 | Intelligent communication address coding method |
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| CN110401732A (en) * | 2019-07-29 | 2019-11-01 | 江西科然科技有限公司 | Battery management system slave addresses distribution method, system, mobile terminal and storage medium |
| CN113595845A (en) * | 2021-07-23 | 2021-11-02 | 河北旭辉电气股份有限公司 | Method for realizing ring network communication |
| WO2023010848A1 (en) * | 2021-08-05 | 2023-02-09 | 青岛海信日立空调系统有限公司 | Central air-conditioning control system |
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