CN106357617B - The adaptive approach of communications protocol, device, elevator communication system - Google Patents
The adaptive approach of communications protocol, device, elevator communication system Download PDFInfo
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- CN106357617B CN106357617B CN201610743777.6A CN201610743777A CN106357617B CN 106357617 B CN106357617 B CN 106357617B CN 201610743777 A CN201610743777 A CN 201610743777A CN 106357617 B CN106357617 B CN 106357617B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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Abstract
The present invention relates to the communications fields, disclose a kind of adaptive approach of communications protocol, comprising: carry out waveform acquisition to the signal of communication in bus, get the waveform parameter of waveform；The waveform parameter that will acquire is matched with the waveform parameter of each communications protocol prestored, obtains communications protocol corresponding with the waveform of signal of communication；According to the communications protocol that matching obtains, selection corresponds to the protocol process module of communications protocol, and the protocol process module of selection handle to signal of communication and data are sent to processor by treated.The invention also discloses a kind of self-reacting devices of communications protocol and elevator communication system.Compared with prior art, the invention enables a kind of communication interfaces to be adapted to multiple kinds, improves the versatility of communication interface, keeps in-site installation and operation all fairly simple, and cost is relatively low.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of adaptive approach of communications protocol, device, elevator communication system
System.
Background technique
In recent years, with the continuous development of science and technology and the epoch are constantly progressive, people's lives level also constantly mentioning
It is high.Meanwhile the development of China Real Estate industry also promotes Chinese elevator industry to obtain quick development and growth.Elevator is almost
Have become the lifting tool being seen everywhere in people's life, brings great convenience to people's lives.Currently, elevator is led
The communications protocol in domain generally comprises the communications protocol such as 485 agreements, CAN protocol or RSL agreement.It is limited to elevator as special safety
The limitation of equipment, three of the above communications protocol can cover most elevator communication requirements at present substantially.
But the prior art there is a problem in that: due to being related to a variety of communications such as 485 agreements, CAN protocol, RSL agreement
Agreement, and to cover various protocols on a terminal, need to accomplish the processes such as identification, the conversion of communications protocol.In consideration of it,
Usual each company is corresponding with dedicated communication hardware circuit to realize above-mentioned conversion, but circuit design is extremely complex, wave
Take manpower and material resources, and will cause third-party hardware component can not be general.The presence of various protocols results in the need for developing multiple
Interface makes it correspond to different circuit states, can just component be made to work normally.This just causes very big complexity to execute-in-place,
It is unfavorable for the field application of third party's component.And similar products are developed currently on the market, but application is more complicated, both every kind
As soon as communications protocol does a dedicated interface, various protocols need multiple interfaces.Such conventional method and its occupancy circuit PCB surface
Product, and increase cost.
Summary of the invention
A kind of adaptive approach for being designed to provide communications protocol of the embodiment of the present invention, device, elevator communication system,
So that a kind of communication interface is adapted to multiple kinds, the versatility of communication interface is improved, makes in-site installation and behaviour
Work is all fairly simple, and cost is relatively low.
In order to solve the above technical problems, the embodiment of the invention provides a kind of adaptive approach of communications protocol, comprising: right
Signal of communication in bus carries out waveform acquisition, gets the waveform parameter of waveform；The waveform parameter that will acquire with prestore
The waveform parameter of each communications protocol matched, obtain communications protocol corresponding with the waveform of signal of communication；According to matching
Obtained communications protocol, selection correspond to the protocol process module of communications protocol, and the protocol process module of selection is to signal of communication
Handle and data are sent to processor by treated.
The embodiment of the invention also provides a kind of self-reacting devices of communications protocol, comprising: acquisition module, matching module,
Selecting module, the corresponding protocol process module of each communications protocol and processor；Acquisition module, for the communication in bus
Signal carries out waveform acquisition, gets the waveform parameter of waveform；Matching module, waveform parameter for obtaining acquisition module with
The waveform parameter of each communications protocol prestored is matched, and communications protocol corresponding with the waveform of signal of communication is obtained；Selection
Module, the communications protocol for being obtained according to matching module, selection correspond to the protocol process module of communications protocol；The association of selection
Processing module is discussed, for handle to signal of communication and will treated that data are sent to processor.
The embodiment of the invention also provides a kind of elevator communication systems, including the adaptive of communications protocol described above
Device.
The embodiment of the present invention in terms of existing technologies, by the waveform parameter of the waveform that will acquire with prestore it is each
The waveform parameter of communications protocol is matched, and communications protocol corresponding with the waveform of signal of communication is obtained, and is allowed to next
It carries out from the waveform of the signal of communication of bus from sampling.According to the communications protocol that matching obtains, corresponding protocol processes mould is selected
Block, and the protocol process module selected handle to signal of communication and data are sent to processor by treated；So that
A kind of communication interface is adapted to multiple kinds, to improve the versatility of communication interface, makes in-site installation and behaviour
Work is all fairly simple, can save human and material resources, and then can reduce cost.
In addition, corresponding to the protocol process module of communications protocol by the selection of input/output selection circuit, one kind is provided
The selection implementation of simple and effective protocol process module ensure that the feasibility of embodiment of the present invention, and input/defeated
The design cost of selection circuit is lower out.
In addition, will treated after data are sent to processor, further includes: processor carries out the data received
It handles, and processing result is sent to the protocol process module of selection.When by treated, data are sent processor needs
When, the protocol process module by above-mentioned selection will be sent to bus after data processing.
In addition, input/output selection circuit and the corresponding protocol process module of each communications protocol are integrated can be compiled at the scene
On journey gate array FPGA chip.Since fpga chip can freely design hardware, can be convenient by above-mentioned each part set
At on fpga chip, and the processing speed of fpga chip can satisfy and respectively adopt than the fast speed of common processing chip
Sample rate, and then improve the working efficiency of embodiment of the present invention.And circuit design is simplified, occupy circuit design will not
More area on circuit board, can be with save the cost.
In addition, communications protocol may include any combination of following at least two agreement according to actual design requirement:
CAN protocol, RSL agreement, RS232 agreement, RS485 agreement, 422 agreement of RS, so as to improve the suitable of embodiment of the present invention
Ying Xing.
In addition, matching when in order to match the waveform parameter obtained with the waveform parameter of each communications protocol prestored
As a result more accurate, the waveform parameter prestored may include it is following any one or any combination thereof: voltage threshold, baud rate,
Bandwidth, frame format.
Detailed description of the invention
Fig. 1 is the flow chart of the adaptive approach of communications protocol in first embodiment according to the present invention；
Fig. 2 is the flow chart of the adaptive approach of communications protocol in second embodiment according to the present invention；
Fig. 3 is the waveform diagram of CAN protocol in second embodiment according to the present invention；
Fig. 4 is the waveform diagram of RS485 agreement in second embodiment according to the present invention；
Fig. 5 according to the present invention in third embodiment the adaptive approach of communications protocol flow chart；
Fig. 6 according to the present invention in the 4th embodiment the self-reacting device of communications protocol block diagram；
Fig. 7 according to the present invention in sixth embodiment the self-reacting device of communications protocol block diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of adaptive approach of communications protocol, in present embodiment, deposit in advance
Contain the waveform parameter of each communications protocol, detailed process as shown in Figure 1, comprising:
Step 101, waveform acquisition is carried out to the signal of communication in bus, gets the waveform parameter of waveform.
Specifically, being illustrated by taking elevator station reporting device as an example, the communications protocol of elevators field generally comprises a variety of communications
Agreement.When elevator station reporting device accesses elevator control system by bus, can be led to by bus to from elevator station reporting device
Believe that signal carries out sampling certainly for waveform, and according to the waveform parameter for getting waveform from the waveform of sampled acquisition.
Step 102, the waveform parameter that will acquire is matched with the waveform parameter of each communications protocol prestored, is obtained and is led to
Believe the corresponding communications protocol of waveform of signal.
Since the corresponding waveform of every kind of communications protocol has its distinctive waveform parameter, can be obtained by waveform parameter
To communications protocol corresponding with the waveform of signal of communication.
Step 103, the communications protocol obtained according to matching, selection correspond to the protocol process module of communications protocol, selection
Protocol process module signal of communication handle and will treated that data are sent to processor.To be answered actual
In, family can be used without manually selecting corresponding hardware socket, the relevant parameter of manual setting is not necessarily to, by elevator station reporting device etc.
Hardware accesses elevator control system by bus can automatic identification.
Through the above, it is not difficult to find that present embodiment can make a kind of communication interface be adapted to a variety of communications
Agreement keeps in-site installation and operation all fairly simple, can save human and material resources to improve the versatility of communication interface,
And then cost can be reduced.
Second embodiment of the present invention is related to a kind of adaptive approach of communications protocol.In present embodiment, communication association
View includes following any at least two any combination: CAN protocol, RSL agreement, RS232 agreement, RS485 agreement, RS 422 are assisted
View.The waveform parameter prestored includes any of the following or any combination thereof: voltage threshold, baud rate, bandwidth, frame format.
Detailed process as shown in Fig. 2, comprising:
Step 201, waveform acquisition is carried out to the signal of communication in bus, gets the waveform parameter of waveform.
Specifically, being illustrated by taking elevator station reporting device as an example, the communications protocol of elevators field generally comprises a variety of communications
Agreement.When elevator station reporting device accesses elevator control system by bus, can be led to by bus to from elevator station reporting device
Believe that signal carries out waveform acquisition, and gets the waveform parameter of waveform.
Wherein, the waveform parameter of acquisition can be, but not limited to include any of the following or any combination thereof: voltage range,
Baud rate, bandwidth range, frame format.It can include voltage range, baud rate, bandwidth model with waveform parameter in present embodiment
It encloses, be illustrated for frame format.
Step 202, the voltage range for the waveform that will acquire is matched with voltage threshold, obtains the waveform with signal of communication
Corresponding communications protocol.
Since every kind of communications protocol has its distinctive voltage threshold range, can be obtained and acquisition by matching
The corresponding communications protocol of voltage range.Specifically, as shown in Figure 3, it is assumed that the waveform of acquisition is waveform shown in Fig. 3, such as
Direction shown in figure, from top to bottom three waveform diagrams be respectively: the waveform diagram of high voltage signal of communication, reference voltage communication letter
Number waveform diagram, the waveform diagram of low-voltage signal of communication.Abscissa indicates the time, and ordinate indicates voltage.It, can according to waveform diagram
To obtain level value of the high-low voltage relative to reference voltage in the same time respectively, according to the electricity of high voltage in the same time
The difference of the absolute value of the level value of the absolute value and low-voltage of level values, the voltage range of the waveform obtained.By that will obtain
The voltage range taken is matched with voltage threshold, and obtaining communications protocol corresponding with the waveform of signal of communication is CAN protocol.
Alternatively, as shown in figure 4, there was only the waveform diagram of high voltage signal of communication, the waveform diagram of low-voltage signal of communication, Ke Yigen in Fig. 4
According to the difference of the absolute value of the high-low voltage in the same time, the voltage range of the waveform obtained.Pass through the electricity that will acquire
Pressure range is matched with voltage threshold, and obtaining communications protocol corresponding with the waveform of signal of communication is RS485 agreement.
Step 203, the baud rate for the waveform that will acquire is matched with the baud rate prestored, obtains the wave with signal of communication
The corresponding communications protocol of shape.
It, can be by matching the baud rate for obtaining and obtaining since every kind of communications protocol has its distinctive baud rate
Corresponding communications protocol.
Step 204, the bandwidth range for the waveform that will acquire is matched with the bandwidth prestored, obtains the wave with signal of communication
The corresponding communications protocol of shape.
It, can be by matching the bandwidth range for obtaining and obtaining since every kind of communications protocol has its distinctive bandwidth
Corresponding communications protocol.
Step 205, the frame format for the waveform that will acquire is matched with the frame format prestored, obtains the wave with signal of communication
The corresponding communications protocol of shape.
It, can be by matching the frame format for obtaining and obtaining since every kind of communications protocol has its distinctive frame format
Corresponding communications protocol.
Step 206, the communications protocol obtained according to matching, selection correspond to the protocol process module of communications protocol, selection
Protocol process module signal of communication handle and will treated that data are sent to processor.
Through the above, it is not difficult to find that present embodiment can be such that the waveform parameter obtained assists with each communication prestored
The matching result when waveform parameter of view is matched is more accurate, but also adaptability of the invention can be improved.
Third embodiment of the present invention is related to a kind of adaptive approach of communications protocol.Third embodiment first or
Improved on the basis of second embodiment, it is main improve after be: processor after receiving the data, to data into
The corresponding processing of row, and processing result is sent to bus.
In present embodiment, the protocol processes mould for corresponding to communications protocol can be selected by input/output selection circuit
Block, so as to replace the cumbersome mode of traditional manual selection.Alternatively, can be selected by the option program designed in processing chip
Select the protocol process module corresponding to communications protocol.It should be noted that the present invention corresponds to the agreement of communications protocol to selection
The selection mode of processing module does not do any restrictions, leads to as long as being able to achieve and being corresponded to by the selection of input/output selection circuit
Any selection mode for interrogating the protocol process module of agreement, should all be within protection scope of the present invention.
Detailed process as shown in figure 5, comprising:
Step 501, waveform acquisition is carried out to the signal of communication in bus, gets the waveform parameter of waveform.
Step 502, the waveform parameter that will acquire is matched with the waveform parameter of each communications protocol prestored, is obtained and is led to
Believe the corresponding communications protocol of waveform of signal.
Step 503, the communications protocol obtained according to matching, selection correspond to the protocol process module of communications protocol, selection
Protocol process module signal of communication handle and will treated that data are sent to processor.
Step 504, processor carries out processing to the data received and processing result is sent to the protocol processes of selection
Module is sent to bus after the processing of the protocol process module of the selection.
Specifically, processor needs the data received are sent when, processor to the data received into
Processing result is simultaneously sent to the selected protocol process module of step 503 by row processing, then by corresponding with the protocol process module
Input/output selection circuit will treated that data are sent directly to bus.
In addition, it is noted that input/output selection circuit and the corresponding protocol process module of each communications protocol collect
At on programmable gate array FPGA chip at the scene.Since fpga chip can freely design hardware, the general that can be convenient
Above-mentioned each component is integrated on fpga chip, and the processing speed of fpga chip is than the fast speed of common processing chip,
It can satisfy each sampling rate, and then improve working efficiency of the invention.It can also be right according to actual circuit design demand
Fpga chip is programmed design, the function of customized needs.And circuit design is simplified, so that circuit design is not occupied electricity
More area on the plate of road, can be with save the cost.
Frequency sampling needs higher processing speed, and voltage sample needs certain precision.Input/output selection circuit,
RSL module, CAN module, 485 modules need to be made into integrated circuit.If whole using the mode of traditional component built
A circuit PCB surface product will be bigger.So comprehensively considering, this patent is using the fpga chip for integrating ARM core.The spy of FPGA
Point can freely design hardware circuit with hardware programming, it is possible to and chip interior designs the above circuit module again, and
FPGA processing speed is fast, can satisfy the frequency sampling and voltage sample speed of this patent.
Through the above, it is not difficult to find that present embodiment will treated after data are sent to processor, may be used also
Directly by the protocol process module of above-mentioned selection, to send data to bus.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as including identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
Four embodiment of the invention is related to a kind of self-reacting device of communications protocol, comprising: acquisition module, matching mould
Block, selecting module, the corresponding protocol process module of each communications protocol and processor.As shown in fig. 6, acquisition module 61, for pair
Signal of communication in bus carries out waveform acquisition, gets the waveform parameter of waveform；Matching module 62, for mould will to be acquired
The waveform parameter that block 61 obtains is matched with the waveform parameter of each communications protocol prestored, obtains the waveform phase with signal of communication
Corresponding communications protocol；Selecting module 63, the communications protocol for being obtained according to matching module 62, selection correspond to communications protocol
Protocol process module.Each communications protocol of the present embodiment to prestore are as follows: for RSL agreement, RS485 agreement, CAN protocol into
When row illustrates, protocol process module 64 may include: RSL protocol process module 641, RS485 protocol process module 642, CAN association
Discuss processing module 643.The protocol process module selected is RSL protocol process module 641, RS485 protocol process module 642, CAN
One of protocol process module 643, for handle to signal of communication and will treated that data are sent to processor 65.
It is not difficult to find that present embodiment is Installation practice corresponding with first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a physical unit, be also possible to a part of a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the invention, it will not be with solution institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
Fifth embodiment of the invention is related to a kind of self-reacting device of communications protocol, in present embodiment, communications protocol
Including following any at least two any combination: CAN protocol, RSL agreement, RS232 agreement, RS485 agreement, RS 422 are assisted
View.The waveform parameter prestored includes any of the following or any combination thereof: voltage threshold, baud rate, bandwidth, frame format.
Since second embodiment is corresponded to each other with present embodiment, present embodiment can be mutual with second embodiment
Match implementation.The relevant technical details mentioned in second embodiment are still effective in the present embodiment, implement second
The attainable technical effect of institute similarly may be implemented in the present embodiment in mode, no longer superfluous here in order to reduce repetition
It states.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
Sixth embodiment of the invention is related to a kind of self-reacting device of communications protocol.Sixth embodiment the 4th or
Improved on the basis of 5th embodiment, it is main improve after be: processor after receiving the data, to data into
The corresponding processing of row, and processing result is sent to bus.
Specifically, the self-reacting device of communications protocol includes: acquisition module, matching module, selecting module, each communication association
Discuss corresponding protocol process module and processor.As shown in fig. 7, acquisition module 71, for the signal of communication in bus
Waveform acquisition is carried out, the waveform parameter of waveform is got；Matching module 72, waveform parameter for obtaining acquisition module 71 with
The waveform parameter of each communications protocol prestored is matched, and communications protocol corresponding with the waveform of signal of communication is obtained；Selection
Module 73, the communications protocol for being obtained according to matching module 72, selection correspond to the protocol process module of communications protocol.This reality
Each communications protocol that mode is applied to prestore are as follows: when being illustrated for RSL agreement, RS485 agreement, CAN protocol, protocol processes mould
Block 74 may include: RSL protocol process module 741, RS485 protocol process module 742, CAN protocol processing module 743.Selection
Protocol process module be RSL protocol process module 741, RS485 protocol process module 742, in CAN protocol processing module 743
One kind, for handle to signal of communication and will treated that data are sent to processor 75.
Wherein, selecting module is input/output selection circuit；Correspond to communication by the selection of input/output selection circuit
The protocol process module of agreement.
Further, processor 75 are also used to handle the data received, and processing result are sent to selection
Protocol process module, through the selection protocol process module processing after be sent to bus.
In addition, it is noted that input/output selection circuit and the corresponding protocol process module of each communications protocol collect
At on programmable gate array FPGA chip at the scene.Since fpga chip can freely design hardware, the general that can be convenient
Above-mentioned each component is integrated on fpga chip, and the processing speed of fpga chip is than the fast speed of common processing chip,
It can satisfy each sampling rate, and then improve working efficiency of the invention.And circuit design is simplified, make circuit design will not
Area more on circuit board is occupied, it can be with save the cost.
Since third embodiment is corresponded to each other with present embodiment, present embodiment can be mutual with third embodiment
Match implementation.The relevant technical details mentioned in third embodiment are still effective in the present embodiment, implement in third
The attainable technical effect of institute similarly may be implemented in the present embodiment in mode, no longer superfluous here in order to reduce repetition
It states.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in third embodiment.
7th embodiment of the invention is related to a kind of elevator communication system, including the four, the 5th or sixth embodiment
The self-reacting device of described communications protocol.
It is not difficult to find that present embodiment is apparatus embodiments corresponding with the four, the 5th or sixth embodiment, this reality
The mode of applying can work in coordination implementation with the four, the 5th or sixth embodiment.Four, the 5th or sixth embodiment in mention
Relevant technical details are still effective in the present embodiment, and in order to reduce repetition, which is not described herein again.Correspondingly, this embodiment party
The relevant technical details mentioned in formula are also applicable in the four, the 5th or sixth embodiment.
In addition, it is noted that the present invention the four, the 5th or sixth embodiment involved in communications protocol it is adaptive
The multiple hardwares equipment for answering device to can be applied in elevators field.Such as elevator floor speaker device etc..
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that one
A equipment (can be single-chip microcontroller, chip etc.) or processor (processor) execute the whole of each embodiment method of the application
Or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of adaptive approach of communications protocol characterized by comprising
Waveform acquisition is carried out to the signal of communication in bus, gets the waveform parameter of the waveform；
The waveform parameter that will acquire is matched with the waveform parameter of each communications protocol prestored, is obtained and the signal of communication
The corresponding communications protocol of waveform；
According to the communications protocol that matching obtains, selection corresponds to the protocol process module of the communications protocol, the selected association
View processing module handle to the signal of communication and data are sent to processor by treated.
2. the adaptive approach of communications protocol according to claim 1, which is characterized in that select electricity by input/output
Road selection corresponds to the protocol process module of the communications protocol.
3. the adaptive approach of communications protocol according to claim 2, which is characterized in that sent by treated data
To processor, further includes:
The processor handles the data received, and processing result is sent to the selected protocol processes mould
Block is sent to the bus after the processing of the protocol process module of the selection.
4. the adaptive approach of communications protocol according to claim 3, which is characterized in that the input/output selection electricity
Road and the corresponding protocol process module of each communications protocol are integrated in field programmable gate array FPGA chip.
5. the adaptive approach of communications protocol as claimed in any of claims 1 to 4, which is characterized in that described logical
News agreement includes any combination of following at least two agreement:
CAN protocol, RSL agreement, RS232 agreement, RS485 agreement, 422 agreement of RS.
6. the adaptive approach of communications protocol as claimed in any of claims 1 to 4, which is characterized in that described pre-
The waveform parameter deposited includes any of the following or any combination thereof:
Voltage threshold, baud rate, bandwidth, frame format.
7. a kind of self-reacting device of communications protocol characterized by comprising acquisition module, matching module, selecting module, each
The corresponding protocol process module of communications protocol and processor；
The acquisition module gets the waveform of the waveform for carrying out waveform acquisition to the signal of communication in bus
Parameter；
The matching module, the waveform parameter of waveform parameter and each communications protocol prestored for obtaining the acquisition module
It is matched, obtains communications protocol corresponding with the waveform of the signal of communication；
The selecting module, the communications protocol for being obtained according to the matching module, selection correspond to the communications protocol
Protocol process module；
The selected protocol process module, for handle to the signal of communication and will treated that data are sent to place
Manage device.
8. the self-reacting device of communications protocol according to claim 7, which is characterized in that the selecting module be input/
Output select circuit corresponds to the protocol process module of the communications protocol by the selection of input/output selection circuit.
9. the self-reacting device of communications protocol according to claim 8, which is characterized in that
The processor is also used to handle the data received, and processing result is sent to the selected agreement
Processing module is sent to the bus after the processing of the protocol process module of the selection.
10. a kind of elevator communication system, which is characterized in that including communications protocol described in any one of claim 7 to 9
Self-reacting device.
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| CN107861908A (en) * | 2017-11-22 | 2018-03-30 | 江苏微锐超算科技有限公司 | Suitable for the communication protocol system of selection of process chip and device |
| CN108255755B (en) * | 2017-12-08 | 2020-03-27 | 天津津航计算技术研究所 | PCIE general multifunctional communication interface module based on FPGA |
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| CN110697522B (en) * | 2019-09-19 | 2022-03-25 | 广州慧特安科技有限公司 | Method, system and storage medium for detecting elevator communication protocol |
| CN111031127A (en) * | 2019-12-11 | 2020-04-17 | 北京利达科信环境安全技术有限公司 | Data acquisition and transmission system |
| CN113177013B (en) * | 2021-05-24 | 2022-09-02 | 石家庄通合电子科技股份有限公司 | Baud rate-based serial communication method and multi-serial chip |
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