CN109407569A - A kind of automatic tax location method based on SCM system - Google Patents
A kind of automatic tax location method based on SCM system Download PDFInfo
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- CN109407569A CN109407569A CN201710704428.8A CN201710704428A CN109407569A CN 109407569 A CN109407569 A CN 109407569A CN 201710704428 A CN201710704428 A CN 201710704428A CN 109407569 A CN109407569 A CN 109407569A
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- equipment
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- scm system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The automatic tax location method based on SCM system that the present invention relates to a kind of, belong to mailing address automatic coding field, the SCM system includes more singlechip equipments, bus series connection is passed sequentially through between singlechip equipment, automatic location method of assigning is the following steps are included: a. judgment step: judging whether this singlechip equipment has assigned location according to interrupt signal；B. location situation query steps: is assigned according to the address that interrupt signal inquires each singlechip equipment in I2C bus；C. definition step: the case where according to inquiring, the address of each singlechip equipment is defined one by one in the way of progressively increasing.Automatic tax location method provided by the invention based on SCM system is able to solve the equipment based on single-chip microcontroller design and assigns location problem automatically, and high-efficient, and fault rate is small.The addition of decoding device can issue instruction to the equipment having connected, improve working efficiency, while also reducing maintenance cost.
Description
Technical field
The invention belongs to mailing address automatic coding field more particularly to a kind of automatic taxes based on SCM system
Location method.
Background technique
Under the more and more intelligentized background of electronic equipment, if be mounted with inside a computer room or a cabinet more
The same model device of platform, and administrative staff need to carry out each equipment address code or long-range control.Traditional tax location side
Under formula efficiency is relatively low, need to design address code in equipment, or go to be written one by one by computer during debugging.
Both the debug time of commissioning staff had been extended, there may be have the situation of artificial burning mistake.
Modern industry internet+background under, all devices require to realize long-range control by internet, if
It needs individually to control each equipment, system must assign its unique address code, some products are on the market at present
ICP/IP protocol is relied on, assigns an IP address for each equipment.But the equipment for being designed based on single-chip microcontroller, it is difficult to set
It counts and the software of TCP/IP is supported to support, therefore other than needing a total IP address (being similar to master control device),
His equipment is also required to an address code, and this address code completely can addressed mode be realized automatically by equipment.
Summary of the invention
Technical problems based on background technology, the present invention propose a kind of automatic tax location side based on SCM system
Method can be fully solved problem above, greatly save the time of commissioning staff and reduce artificial setting address error rate, can also be with
Solving ICP/IP protocol can not be the addressed problem of singlechip equipment.
For the attainment of one's purpose, technical solution provided by the invention are as follows:
The automatic tax location method based on SCM system that the present invention relates to a kind of, it is characterised in that: the single-chip microcontroller system
System includes multiple singlechip equipments, passes sequentially through bus series connection between singlechip equipment, the automatic tax location method include with
Lower step:
A. judgment step: judge whether this singlechip equipment has assigned location according to interrupt signal；
B. location situation query steps: is assigned according to the address that interrupt signal inquires each singlechip equipment in I2C bus；
C. definition step: the case where according to inquiring, in the way of progressively increasing one by one by the address of each singlechip equipment
Definition.
Preferably, each singlechip equipment is equipped with two four core interfaces of A, B, and four core interfaces include an end I/O
Mouthful, two I2C communication interfaces and a grounding ports are sequentially connected in series between singlechip equipment by 4 core cables.
Preferably, the step a includes:
A.1. the I/O detection mouth of the equipment interface A detects level, if level is not detected, initiates automatic assign
Location program, oneself will assign location is 1；
A.2. if it is high level, program, which will not enter, assigns the location stage；
A.3. if low level, equipment enters automatic tax location program.
Preferably, the step b includes: that singlechip equipment by I2C accesses total built-in unit, obtains adjacent having assigned location
The address of equipment.
Preferably, the step c includes:
It c.1. on the basis of neighbouring device address plus is own device address after 1 behind the address for obtaining neighbouring device；
C.2. after address obtains, the I/O mouth of equipment interface B sets low level, and next singlechip equipment, which enters, assigns location program.
Preferably, the 4 core cables include I2C communication line, altogether ground wire, detection line, and I2C communication line is for accessing bus
On equipment, ground wire is for being grounded altogether, and detection line is for decision level height.
Preferably, the tax location process is the process of a transmitting, cannot be jumped, it is necessary to until total since first
Built-in unit has all been assigned.
Preferably, it is calculated according to 8 binary address codes, this method at most can access 256 equipment on same bus.
Preferably, institute's tax location in need equipment must be connected hand in hand in the same space with 4 core cables.
Preferably, in SCM system, the singlechip equipment at beginning connects a decoding device, and decoding device passes through wireless
Or wired connection network.
Preferably, the automatic tax location equipment can assign location after re-powering every time again, will not be to acquired in last time
Address generate memory.
The beneficial effects of the invention are as follows
1, the addressed efficiency of equipment is improved, the addressed error rate of equipment is reduced,
2, the present invention can be used decoding device and send instruction to all equipment connected, improve work efficiency.
3, when there is an equipment to go wrong or can not communicate in system, system can detecte out and by decoding device
Record reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the structural block diagram of the automatic tax location method of the invention based on SCM system.
Fig. 2 is the schematic diagram of singlechip equipment of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig.1, a kind of automatic tax location method based on SCM system, the SCM system includes multiple monolithics
Machine equipment passes sequentially through bus series connection between singlechip equipment, the automatic tax location method the following steps are included:
A. judgment step: judge whether this singlechip equipment has assigned location according to interrupt signal；
B. location situation query steps: is assigned according to the address that interrupt signal inquires each singlechip equipment in I2C bus；
C. definition step: the case where according to inquiring, in the way of progressively increasing one by one by the address of each singlechip equipment
Definition.
Referring to Fig. 2, each singlechip equipment is equipped with two four core interfaces of A, B, and four core interfaces include an end I/O
Mouthful, two I2C communication interfaces and a grounding ports are sequentially connected in series between singlechip equipment, the monolithic at beginning by 4 core conducting wires
Machine equipment connects a decoding device, and decoding device is by wirelessly or non-wirelessly connecting network.The 4 core cables are by Shenzhen
The 4 core conducting wires of the model IDC-4P of the rich Electronics Co., Ltd. of gold, the singlechip equipment are by liking that special Meier produces
8 machines of ATMEGA8.Decoding device is decoded using the WG01 type produced by Zhejiang Xi Gu Digital Technology Co., Ltd
Terminal device.
The step a includes:
A.1 the I/O detection mouth of the equipment interface A detects level, if level is not detected, initiates automatic tax location
Program, oneself will assign location is 1；
A.2 if it is high level, program, which will not enter, assigns the location stage；
A.3 if low level, equipment enters automatic tax location program.
The step b includes: that singlechip equipment by I2C accesses total built-in unit, obtains adjacent location equipment of having assigned
Address x.
The step c includes:
C.1 after the address x for obtaining neighbouring device, x is obtained on the basis of neighbouring device address plus after 1+1 is itself to set
Standby address；
C.2 after address obtains, the I/O mouth of equipment interface B sets low level, and next singlechip equipment, which enters, assigns location program.
The automatic tax location process is since most end end equipment, such as it is 1 that first equipment, which assigns location, and connection 1 is set
Standby next equipment is then No. 2 equipment, and so on, the last one device address is N.
It is automatic to assign the process that location process is a transmitting, it cannot jump, it is necessary to until total built-in unit since first
All assign.It is calculated according to 8 binary address codes, this method at most can access 256 equipment on same bus, all
Equipment will be endowed unique mailing address, and institute's tax location in need equipment must use the identical equipment of model, in same sky
It is interior to be connected hand in hand with 4 core cables.Location can be assigned again after re-powering every time, will not generate note to the address acquired in last time
Recall.
The decoding device of addition can be connect with network or WiFi, carry out remote control, record to addressed equipment
The equipment institute problem.It improves work efficiency, decreases maintenance cost.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (9)
1. a kind of automatic tax location method based on SCM system, it is characterised in that: the SCM system includes multiple lists
Piece machine equipment passes sequentially through bus series connection between singlechip equipment, the automatic tax location method the following steps are included:
A. judgment step: judge whether this singlechip equipment has assigned location according to interrupt signal；
B. location situation query steps: is assigned according to the address that interrupt signal inquires each singlechip equipment in I2C bus；
C. definition step: the case where according to inquiring, the address of each singlechip equipment is defined one by one in the way of progressively increasing.
2. the automatic tax location method according to claim 1 based on SCM system, it is characterised in that: each single-chip microcontroller is set
Standby to be equipped with two four core interfaces of A, B, four core interfaces include a port I/O, two I2C communication interfaces and a grounding ports,
It is sequentially connected in series between singlechip equipment by 4 core cables.
3. the automatic tax location method according to claim 2 based on SCM system, it is characterised in that: the step a
Include:
A.1. the I/O detection mouth of the equipment interface A detects level, if level is not detected, initiates automatic tax location journey
Sequence, oneself will assign location is 1；
A.2. if it is high level, program, which will not enter, assigns the location stage；
A.3. if low level, equipment enters automatic tax location program.
4. the automatic tax location method according to claim 2 based on SCM system, it is characterised in that: the step b
Include: that singlechip equipment by I2C accesses total built-in unit, obtains the adjacent address for having assigned location equipment.
5. the automatic tax location method according to claim 2 based on SCM system, it is characterised in that: the step c
Include:
It c.1. on the basis of neighbouring device address plus is own device address after 1 behind the address for obtaining neighbouring device；
C.2. after address obtains, the I/O mouth of equipment interface B sets low level, and next singlechip equipment, which enters, assigns location program.
6. the automatic tax location method according to claim 1 based on SCM system, it is characterised in that: the 4 cores electricity
Cable includes I2C communication line, altogether ground wire, detection line.
7. the automatic tax location method according to claim 1 based on SCM system, it is characterised in that: the tax location side
In method, it is necessary to assign location since first singlechip equipment until total built-in unit has all been assigned.
8. the automatic tax location method according to claim 1 based on SCM system, it is characterised in that: the automatic tax
In the method for location, location can be assigned again after re-powering every time, will not generate memory to the address acquired in last time.
9. the automatic tax location method according to claim 1 based on SCM system, it is characterised in that: SCM system
In, the singlechip equipment at beginning connects a decoding device, and decoding device is by wirelessly or non-wirelessly connecting network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704428.8A CN109407569A (en) | 2017-08-16 | 2017-08-16 | A kind of automatic tax location method based on SCM system |
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| CN201710704428.8A CN109407569A (en) | 2017-08-16 | 2017-08-16 | A kind of automatic tax location method based on SCM system |
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| CN109407569A true CN109407569A (en) | 2019-03-01 |
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| CN201710704428.8A Pending CN109407569A (en) | 2017-08-16 | 2017-08-16 | A kind of automatic tax location method based on SCM system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515885A (en) * | 2019-08-20 | 2019-11-29 | 杭州嘉楠耘智信息科技有限公司 | Computing system |
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| US6330203B1 (en) * | 2000-12-26 | 2001-12-11 | Vanguard International Semiconductor Corporation | Test mode for verification of on-chip generated row addresses |
| US20060143506A1 (en) * | 2004-12-29 | 2006-06-29 | Lsi Logic Corporation | RAID storage controller assist circuit, systems and methods |
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Application publication date: 20190301 |