CN103389960B - Power monitoring field realizes the method and device of baud rate self-adapting - Google Patents
Power monitoring field realizes the method and device of baud rate self-adapting Download PDFInfo
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- CN103389960B CN103389960B CN201310319482.2A CN201310319482A CN103389960B CN 103389960 B CN103389960 B CN 103389960B CN 201310319482 A CN201310319482 A CN 201310319482A CN 103389960 B CN103389960 B CN 103389960B
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Abstract
The invention discloses a kind of power monitoring field and realize the method and device of baud rate self-adapting, including selected communication protocol；Set baud rate sequence；Set baud rate sequence sequence number；The baud rate of corresponding sequence number in baud rate sequence is used to open serial ports；Send protocol data to monitoring device；Receive the protocol data that monitoring device returns；Analyze the identity judging data；Receive data not can recognize that, then closing serial ports, then baud rate sequence sequence number adds one；Receive data consistent with expection, preserve this baud rate as communication baud rate.The method have the benefit that the method can realize monitoring field and control the baud rate self-adapting between equipment and monitoring device, the apparatus structure that the power monitoring field of the present invention realizes baud rate self-adapting is simple, improves Consumer's Experience comfort level.
Description
Technical field
The invention belongs to power monitoring field, particularly relate to a kind of power monitoring field and realize the method and device of baud rate self-adapting.
Background technology
Now with the development of power monitoring technology and improving constantly of power monitoring field requirement, in serial communication mode, more
Carry out the most application requirements and there is the function of baud rate self-adapting.Control equipment can compatible multiple baud rate communication, but monitoring set
Standby a kind of baud rate of only support, communicating pair is only in the case of using identical baud rate communication, and monitoring device could be correct
Action, it is therefore necessary to first setting corresponding baud rate by regulation, but setting up procedure complexity is high, strongly professional, user is difficult to
Operation, brings great inconvenience to universal use.It addition, for making user understand the size of baud rate, must also be in monitoring device
Or the clear and definite size pointing out used baud rate in the workbook of monitoring device, and concrete amending method, simultaneously must also
Professional participates in arranging and instructing, and this considerably increases the expense of human and material resources and time, improves use cost.
Summary of the invention
The purpose of the present invention is contemplated to solve technological deficiency present in prior art, it is proposed that a kind of power monitoring field realizes
The method and device of baud rate self-adapting.The method can realize monitoring field and control the baud rate between equipment and monitoring device certainly
Adapt to, improve the motility that monitoring device uses.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of method that power monitoring field realizes baud rate self-adapting, comprises the following steps:
(1) selected communication protocol；
(2) baud rate sequence is set；
(3) baud rate sequence sequence number is set；
(4) baud rate of corresponding sequence number in baud rate sequence is used to open serial ports；
(5) protocol data is sent to monitoring device；
(6) protocol data that monitoring device returns is received；
(7) analysis judges the identity of data；
(8) receive data not can recognize that, then closing serial ports, then baud rate sequence sequence number adds one；
(9) receive data consistent with expection, preserve this baud rate as communication baud rate.
Described communication protocol selected, using heart beating, shake hands, log in, startup etc. will not produce the agreement of impact as examination to behavior
The property visited agreement, protocol requirement has return, and protocol contents is in predictable range.
Described baud rate sequence is:
B115200,B9600,B19200,B38400,B57600,B50,B75,B110,B134,B150,B300,B600,
B1200, B1800, B2400, B4800, B7200, B230400, B460800, B921600, for reducing the exploration cycle, the most the most frequently used
Baud rate be placed on foremost.
The identity of described data is: according to selected communications protocol format, if setting the baud rate of baud rate and monitoring device not
Correspondence, then no return code, or return code is mess code, not can recognize that, then forwards step 8 to, then go to step 4, with the next one
Baud rate opens serial ports, then attempts, if return code baud rate is consistent with intended, then preserves this baud rate for communication baud
Rate.
A kind of power monitoring field realizes the device of baud rate self-adapting, including: protocol process module: for the choosing of communication protocol
Fixed, and set point value is sent to baud rate chosen module；Baud rate chosen module: corresponding for finding in baud rate sequence
Baud rate value, and this value is transmitted to serial ports processing module；Serial ports processing module: the serial ports for monitoring device is opened and closed
Operation process, and be in communication with each other with data judging module；Data judging module: for monitoring device return data judgement and
Identify, and result of determination is sent to data memory module；Data memory module: be used for storing, examines data judging module
After baud rate store.
The invention has the beneficial effects as follows:
Use the method realizing baud rate self-adapting provided by the present invention can realize monitoring field control equipment and monitoring device it
Between baud rate self-adapting, improve monitoring device use motility, the method can be widely applied to support baud rate monitoring
In equipment, it is fully transparent for arranging operation, and user need not understand in advance the baud rate parameter of monitoring device, substantially increases
Utilization rate, saves human and material resources and the time cost of equipment manufacturer.It is adaptive that the power monitoring field of the present invention realizes baud rate
The apparatus structure answered is simple, utilizes existing data judging module to realize, and reduces hardware production and workbook is printed to
This, improve Consumer's Experience comfort level.
Accompanying drawing illustrates:
Fig. 1 is the flowchart for realizing baud rate self-adapting that the present invention implements；
Fig. 2 is the apparatus structure schematic diagram for realizing baud rate adaptation that the present invention implements.
Detailed description of the invention:
The present invention will be further described with embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of method that power monitoring field realizes baud rate self-adapting, including:
1. select communication protocol.Selected communication protocol, with heart beating, shakes hands, logs in, starts, and these four will not be to monitoring device
Behavior produces the agreement of impact, and for exploratory agreement, protocol requirement has return, and protocol contents is in predictable range.
2. set baud rate sequence.All possible baud rate size is all set in sequence,
(B115200,B9600,B19200,B38400,B57600,B50,B75,B110,B134,B150,B300,B600,B1200,B1800,B240
0, B4800, B7200, B230400, B460800, B921600), for reducing the exploration cycle, the most frequently used baud rate is placed on foremost.
3. set baud rate sequence sequence number.Baud rate chosen module is responsible for choosing of baud rate, it is first determined baud rate is in the sequence
Corresponding sequence number, takes out the baud rate value that this sequence number is corresponding, if this value is incorrect, then sequence number adds 1, i.e. takes under current sequence number
The baud rate value that one sequence number is corresponding.
4. use the baud rate of corresponding sequence number in baud rate list to open serial ports.By protocol process module, selected baud rate is sent
To serial ports processing template, it open serial ports with this baud rate.
5. send protocol data.Selected agreement is sent to monitoring device by protocol process module.
6. receive protocol data.Protocol process module receives the protocol data that monitoring device returns, and reception data are transmitted to number
According to determination module.
7. receive data identity.After data judging module receives return data, according to selected communication protocol, it is judged that it returns
Correctness, if it is consistent with intended to receive data, it was demonstrated that this baud rate correctly, is transmitted to memory module by this baud rate.
8. preserve this baud rate as communication baud rate.Preserved this baud rate by data memory module, set with monitoring at control equipment
For when communicating, communicate using this baud rate as communication baud rate.
9. baud rate serial number adds one.After data judging module receives return data, according to selected communication protocol, it is judged that it returns
The correctness returned, not can recognize that if receiving data, it was demonstrated that this baud rate is incorrect, then add one by serial number, takes out next sequence
Number corresponding baud rate, then turns to step 4, continues.
Fig. 2 show the power monitoring field of the present invention and realizes the device of baud rate self-adapting, and described device includes: protocol processes
Module, after control equipment is connected with monitoring device, after controlling the equipment start-up loading related driver programs of monitoring device, i.e.
Establishing communication port between the two, after communication is established, control equipment i.e. starts protocol process module to select communication protocol,
Communication protocol based on heart beating, shake hands, log in, start agreement, these agreements will not produce impact to monitoring device behavior, can
Using as exploratory agreement, protocol requirement has return, and protocol contents is in predictable range.
Baud rate chosen module: in time taking out corresponding baud rate value in baud rate sequence, and this value is transmitted at serial ports
Reason module.
Serial ports processing module: the opening and closing for serial ports operate, and are receiving the baud rate that baud rate chosen module forwards
After value, i.e. use this baud rate to open serial ports, after the wrongheaded instruction of the baud rate receiving data judging module, close string
Mouthful.
Data judging module: for judging the correctness of baud rate, after receiving the data that monitoring device returns, it is judged that data lattice
Formula, if these data are consistent with the agreement that selected communication protocol requirements returns, then prove that this baud rate is correct, and notifies that data are deposited
The baud rate that this baud rate value is communicated with monitoring device by storage module as control equipment；If it is inconsistent, then with intended return value
Prove this baud rate mistake, and notify that serial ports processing module closes current serial ports, reinform baud rate chosen module, under going to select
One baud rate is attempted again.
Data memory module: for the preservation of baud rate, receiving confirmation instruction and the baud rate that data judging module forwards comes
After, this baud rate is saved in control equipment, normal course of communications afterwards all obtains at this baud rate value and opens serial ports
Communicate, baud rate judgement work that need not be initial.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not limit to scope
System, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art need not pay
Go out various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (2)
1. the method that power monitoring field realizes baud rate self-adapting, is characterized in that, comprises the following steps:
(1) selected communication protocol；Described communication protocol selected, behavior will not produce the agreement of impact as exploratory agreement, protocol requirement has return, and protocol contents is in predictable range；
(2) baud rate sequence is set；
(3) baud rate sequence sequence number is set；
(4) baud rate of corresponding sequence number in baud rate sequence is used to open serial ports；
(5) protocol data is sent to monitoring device；
(6) protocol data that monitoring device returns is received；
(7) analysis judges the identity of data；The identity of described data is: according to selected communications protocol format, if it is the most corresponding with the baud rate of monitoring device to set baud rate, then no return code, or return code is mess code, not can recognize that, then forward step 8 to, then go to step 4, open serial ports by next baud rate, then attempt, if return code baud rate is consistent with intended, then preserving this baud rate is communication baud rate；
(8) receive data not can recognize that, then closing serial ports, then baud rate sequence sequence number adds one.
The method that a kind of power monitoring field the most as claimed in claim 1 realizes baud rate self-adapting, is characterized in that, described baud rate sequence is: B115200, B9600, B19200, B38400, B57600, B50, B75, B110, B134, B150, B300, B600, B1200, B1800, B2400, B4800, B7200, B230400, B460800, B921600, for reducing the exploration cycle, the most frequently used baud rate is placed on foremost.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199298B (en) * | 2014-08-18 | 2016-10-26 | 广西师范大学 | A kind of method of CAN baud rate self-adapting |
| CN104850527B (en) * | 2015-06-12 | 2017-11-03 | 中国电子科技集团公司第四十七研究所 | Communications protocol processor |
| CN105376066B (en) * | 2015-12-15 | 2018-09-28 | 上海斐讯数据通信技术有限公司 | The verification method and verification system of serial communication |
| CN107783434A (en) * | 2016-08-30 | 2018-03-09 | 致伸科技股份有限公司 | Automatic control system and the instrument method for automatically searching being applied thereon |
| CN106788920B (en) * | 2016-12-19 | 2019-08-23 | 珠海格力电器股份有限公司 | Baud rate deviation detection method and device and air conditioner indoor unit |
| CN108845897A (en) * | 2018-05-25 | 2018-11-20 | 北京无线电测量研究所 | Serial communication adjustment method, device and storage medium |
| CN108966251A (en) * | 2018-07-12 | 2018-12-07 | 四川虹美智能科技有限公司 | A kind of WiFi module baud rate collocation method, system and WiFi module |
| CN109634884A (en) * | 2018-10-19 | 2019-04-16 | 珠海格力电器股份有限公司 | Communication port connection method and device |
| CN109976247A (en) * | 2019-04-22 | 2019-07-05 | 国网上海市电力公司 | A kind of power distribution station communication failure automatic monitored control system and method |
| CN112463696A (en) * | 2020-08-11 | 2021-03-09 | 上海麦腾物联网技术有限公司 | Serial port baud rate self-adaption method |
| CN113542030A (en) * | 2021-07-20 | 2021-10-22 | 深圳市泛海三江电子股份有限公司 | Intelligent networking method and communication device based on networking communication of fire fighting system |
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Denomination of invention: Method and device for self-adapting of Baud rate in field of power monitoring Effective date of registration: 20170426 Granted publication date: 20160810 Pledgee: Shandong yamakou Leasing Co. Ltd. Pledgor: Shandong Conwell Communication Technology Co., Ltd. Registration number: 2017370000048 |
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Date of cancellation: 20200805 Granted publication date: 20160810 Pledgee: Shandong yamakou Leasing Co.,Ltd. Pledgor: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. Registration number: 2017370000048 |
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Address after: 250101 A203, block F, entrepreneurship square, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Conway Communication Technology Co., Ltd Address before: 250101 Qilu Software Park, No. 1 Shunhua Road, Jinan High-tech Development Zone, Shandong Province, A 203 Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |