CN108768844A - A kind of wireless device information integrating device for people's air defense command post - Google Patents
A kind of wireless device information integrating device for people's air defense command post Download PDFInfo
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- CN108768844A CN108768844A CN201810739614.XA CN201810739614A CN108768844A CN 108768844 A CN108768844 A CN 108768844A CN 201810739614 A CN201810739614 A CN 201810739614A CN 108768844 A CN108768844 A CN 108768844A
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- 238000010276 construction Methods 0.000 abstract description 6
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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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
- H04L69/08—Protocols for interworking; Protocol conversion
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides a kind of wireless device information integrating devices for people's air defense command post, device includes a primary processor, at least two pairs of SPI or four list SPI coprocessors, at least four radio network gateway chips receive and dispatch Lora data as radio frequency path, gateway chip is equipped with the Base-Band Processing that two radio frequency front end chips carry out digital and analog signaling, gateway chip all has the radio-frequency channel that 8 are independently arranged working frequency and the adaptive adjustment of rate can be achieved per channel, radio packet node can carry out point-to-point communication and one-to-many communication by the scheduling of two-stage treatment device, network capacity is big and framework is clearly easy to expand and safeguard；Primary processor can realize the compatibility of the agreement of different types of a variety of back end in civil air defense constructions and installations by Ethernet and serial ports, complete the management to entire defense equipment network；The present invention solves the problems, such as that the covering of underground space signal is poor, solves the problems, such as that wireless device speed rates are slow and network deployment is installed using two layers of processor structure.
Description
Technical field
The invention belongs to fields of communication technology, and in particular to a kind of integrated dress of wireless device information for people's air defense command post
It sets.
Background technology
People's air defense command post is advanced antiaircraft facilities for preparation against war, has in command post and is largely used to setting for support personnel's safety
It is standby, such as protective door, ventilation blower, life water, generator, Emergency Lighting Supply.According to Civil Air Defense Facilities, " wartime air defense, usually takes
The principle of emergent, manufacturing products for both peacetime and wartime us when business, urgency ", the necessary special messenger's maintenance of various equipment of people's air defense command post, regular manoeuvre.Many people
Anti- command post design initial stage the degree of automation it is relatively low, the later stage increase smart machine when, due to Civil Air Defense Facilities seal and
Shock resistance requirement, does not allow to carry out it that through walls, the constructions such as burrow, and causes intelligent equipment that can not construct, cannot be with master station
System interlink.
There are certain defect when current universal data gateway is applied to people's air defense, main problem is the signal of universal gateway
Insufficient strength is difficult to reach the requirement of signal covering, people's air defense personnel equipment data format parsing difficulty, equipment communications network deployment
Complexity etc..
Invention content
The present invention compensates for the defect of the prior art, and it is integrated to provide a kind of wireless device information for people's air defense command post
Device, the device can significantly improve the information mutual communication effect of people's air defense command post, improve wireless device speed rates speed, network
Deployment installation is convenient for arrangement.
The specific technical solution of the present invention is：
A kind of wireless device information integrating device for people's air defense command post, key point are that described device includes main process task
Device, the coprocessor with SPI interface and the gateway chip with coprocessor wireless communication connection, gateway chip is for handling
The data-signal of wireless device, coprocessor are connected with primary processor, and there are two form orthogonal signalling for the gateway chip connection
The radio frequency front end chip in channel.
The coprocessor is internally provided with the buffer storage controlled for reiving/transmitting state.
The gateway chip has 8 radio-frequency channels for being independently arranged working frequency.
The primary processor is one, and coprocessor is one group to be connected with primary processor, and gateway chip is handled with association
Device connects one to one；
The primary processor is one, and coprocessor be one group to be connected with primary processor, gateway chip for one group and
Each it is connected with all coprocessors；
The primary processor is one, and coprocessor is one group to be connected with primary processor, and wireless device includes main section
Point and one group are from node, and gateway chip is one group, and each coprocessor is connected with all gateway chips, main equipment and from equipment
It is connected respectively from different gateway chips.
The coprocessor at least two, and each coprocessor is double SPI interfaces；Or coprocessor is at least
It it is four, and each coprocessor is single SPI interface.
The beneficial effects of the invention are as follows：In the present invention, each gateway chip is equipped with two radio frequency front end chips into line number
The Base-Band Processing of word and analog signal, each gateway chip all have the radio-frequency channel that 8 are independently arranged working frequency and often lead to
The adaptive adjustment of rate can be achieved in road；
Radio packet node can carry out point-to-point communication and one-to-many communication, network capacity by the scheduling of two-stage treatment device
Big and framework is clearly easy to expand and safeguard；Primary processor can be realized different types of in civil air defense constructions and installations by Ethernet and serial ports
The compatibility of the agreement of a variety of back end completes the management to entire defense equipment network；
Wireless device information integrating device of the present invention solves underground space signal using multiple gateway chips and covers
The problem for covering difference solves the problems, such as that wireless device speed rates are slow and network deployment is installed using two-layer processor structure.
Description of the drawings
Fig. 1 is the structure principle chart of the embodiment of the present invention 1；
Fig. 2 is the structure principle chart of the embodiment of the present invention 2；
Fig. 3 is the structure principle chart of the embodiment of the present invention 3；
In attached drawing, 1, primary processor, 2, coprocessor；3, gateway chip, 4, wireless device, 401, host node, 402, from
Node.
Specific implementation mode
The present invention relates to a kind of wireless device information integrating devices for people's air defense command post, and described device includes main process task
Device 1, the coprocessor 2 with SPI interface and the gateway chip 3 with the wireless communication connection of coprocessor 2, gateway chip 3 are used
In the data-signal of processing wireless device 4, coprocessor is connected with primary processor 1, and there are two compositions for the connection of gateway chip 3
The radio frequency front end chip of quadrature signal path.
Primary processor 1 is the MCU containing 12C buses, and coprocessor 2 contains at least two to be used for there are two SPI interface
The data packet coprocessor that is communicated with wireless Lora gateways chip at least four is used for containing single SPI interface
The data packet coprocessor that wireless Lora gateway chips are communicated, gateway chip are at least four based on Lora radio frequency basebands
The wireless Lora gateways chip SX1301 of technology completes the modulation and demodulation of wireless signal, and each Lora gateways chip connects two
The radio frequency front end chip SX1255 for forming quadrature signal path, converts radio signals into level signal or controls its inverse process.
Wireless device information integrating device based on above structure has at least four different frequent points that can be worked at the same time
Wireless Lora radio channels, every channel on its frequency point can transmit and receive number in synchronization in a manner of full duplex
According to；Upload data on every radio channel notify its data after being demodulated by gateway chip by the way of SPI interruptions
Packet handler is completed data by SPI interface and is synchronized；The data that issue on every radio channel are packaged by data packet processor
After framing, notification gateway chip 3 enables SPI interface and completes data transmission by the way of SPI interruptions.
The data for uploading or issuing are established a buffer by coprocessor 2 inside it, which is for receiving and dispatching
The buffer storage of state control, when being received and dispatched for mass data, transmitting-receiving state of a control switches over to be carried out inside it,
To ensure its minimum state latencies.
Each coprocessor 2 by front end data after integrity verification, will be wireless in its independent 12C bus interface
Data are converged, to ensure that primary processor 1 is able to access that all data；
Lora gateway chips complete groundwork include wirelessly shake hands, three times verification, automatic-answering back device, channel inquire, tune
System demodulation etc., is not necessarily to the participation of primary processor 1 or coprocessor 2；Centered on the groundwork of coprocessor 2 frequency setting,
Power managed, the start and stop of gateway chip, received data packet valid data and metadata, user's valid data in transmission data packet
And parameter information.
Gateway chip 3 has 8 radio-frequency channels for being independently arranged working frequency, can be pre- using radio network gateway chip SX1301
Fixed 8 centre frequency channels, each channel can be arranged the Lora signals of 6 kinds of different rates, and the signal switching of different rates by
Radio node is adaptively selected according to communication Qos, can obviously reduce co-channel interference, effectively improves the utilization rate of antenna.
Radio network gateway 3 is using the interaction between the method for operation and people's air defense data equipment radio node of complementary backup, wirelessly
Transmission supports the mode of LoraWAN A class super low-power consumptions to carry out, and people's air defense back end initiates data uplink request, gateway chip 3
Determine that a chip being in idle condition in four gateways carries out downlink communication with back end according to ALOHA agreements,
He is in monitored state by gateway chip 3 to this node.
In downlink communication information after the connection of shaking hands of gateway, corresponding coprocessor 2 starts transmission data, and in number
The electric quantity consumption of radio packet node is saved according to transmission channel after the completion, is again switched off；The LoraWAN of radio packet node
MAC communications protocol is parsed by primary processor 1, and the data of radio packet node reach primary processor 1 through coprocessor 2, main
Processor 1 splits its data packet and executes inquiry or control function to radio packet node according to the function of client layer.
According to above structure and job description, point-to-point high-speed data can be achieved between two people's air defense radio packet nodes
Communication, after a people's air defense radio node sends out request of data, data are led to after radio network gateway and coprocessor 2 by primary processor 1
Know coprocessor 2 keep this link, if target data node after other radio network gateways send out request to primary processor 1, main place
Reason device 1 is that data exchange is completed in the routing that can be connected between two nodes.
Data exchange operation principle is similar between multiple people's air defense back end, but primary processor 1 is needed to maintain multiple links
Connection, and the radio-frequency channel of radio network gateway is controlled, star-shaped network topology can be formed between multiple back end；According to SX1301
Operational capability calculated, a people's air defense set of wireless devices can ensure freely connecting for 32 nodes simultaneously at device, if adopting
With the mode of time-sharing multiplex, it is 200ms with the timeslice that each node distributes, can at most keeps the connection of 240 nodes.
The 12C of the primary processor 1 and 12C of coprocessor 2 is master-slave relationship, and the 12C interfaces of primary processor 1 are main websites, association
The 12C interfaces of processor 2 are slave stations；Primary processor 1 has Ethernet interface, can carry out the extension and communication of Ethernet protocol,
Including but not limited to HTTP, the transparent transmission of MQTT, MODBUS TCP, COAP agreement and conversion；Primary processor 1 also has asynchronous string
Mouthful, 485 or 232 data communication can be carried out, realizes transparent transmission and the conversion of MODBUS agreements.
Embodiment 1, as the application example of basis property wireless data gateway, basic gateway refers to the integrated dress of wireless data
Set the AP connections with general gateway, automatically access, authentication, data convergence, byte forwarding etc.；The present embodiment
Implementation need at least one gateway chip 3 of coprocessor 2, one of primary processor 1, one and two radio frequency front end chips；Such as
Shown in Fig. 1, it is selected specifically to：Primary processor 1 is one, and coprocessor 2 is four to be connected with primary processor 1, gateway chip 3
It connects one to one with coprocessor 2；Processing procedure is as described below：
Coprocessor 2 has configured the radio frequency parameter of radio network gateway chip 3, and radio network gateway 3 is in poll response status, people's air defense
Wireless device 4 in command post is equivalent to radio packet node, if there is the request of data of radio packet node, radiofrequency signal is passed through
After the processing of gateway chip 3, user data is uploaded to primary processor 1 by coprocessor 2 as former state；Primary processor 1 presses user data
LoraWAN agreements are unpacked, and the data of response wireless device node.In this fashion, each gateway can at least be located simultaneously
Manage the data of 10 radio nodes.
Embodiment 2, as the application example that Point-to-Point Data exchanges, point-to-point communication process includes request, response, sound
Answer, exchange, disconnecting and etc., the routing of data link is that primary processor is completed；Point-to-point data exchange application is realized extremely
Include a primary processor 1, at least one or two coprocessors 2, two gateway chips 3 and at least two radio-frequency front-ends less；
As shown in Fig. 2, being selected specifically to：Primary processor 1 is one, and coprocessor 2 is four to be connected with primary processor 1, gateway core
Piece 3 is one group and is each connected with all coprocessors 2；
From it is general it is point-to-point can be carried out in gateway chip 3 unlike, the Point-to-Point Data of the present apparatus exchanges must
, so that two radio network gateway concurrent workings, increase the traffic of data, network must be reduced between two radio network gateway chips 3
Congestion is delayed, experiments have shown that, two radio network gateways of concurrent working can make network performance at least promote 5 times；It is point-to-point each
4 node of wireless device must be registered by coprocessor 2 on primary processor 1 first via different gateway chips 3, by
Primary processor 1 completes route switching；
Point-to-point application scenarios mainly have temperature acquisition, humidity collection, carbon dioxide acquisition, poison gas inspection in civil air defense constructions and installations
Survey etc..
Embodiment 3 at least should include a primary processor 1, at least one as one-to-many remote control application example
Or two coprocessors, 2, two gateway chips 3 and at least two radio-frequency front-ends；As shown in figure 3, being selected specifically to：Primary processor
1 is one, and coprocessor 2 be one group to be connected with primary processor 1, and wireless device 4 is including host node 401 and one group from node
402, gateway chip 3 is four, and each coprocessor 2 is connected with all gateway chips 3, host node 401 and is divided from node 402
Not from different gateway chips 3 be connected, host node 401 and from equipment 402 be wireless device node；
One-to-many in application, host node 401 should be at from from node 402 on different radio network gateways, thus wirelessly from
Node 402 at least uses the radio channel of a radio network gateway chip 3, can take up to 3 radio network gateway chips 3.
When carrying out one-to-many communication, C classes work shape is gone to from node 402 from the A class working conditions of LoraWan agreements
State, to keep host node 401 and from data latency opportunity minimum between node 402.
Poll is all from node 402 always in the registration of primary processor 1 i.e. beginning for host node 401, from the response of node 402
Be completed by the 12C interfaces of coprocessor 2, therefore answer from node 402 it is always on, from 402 Refresh Data of node by assisting
The gateway chip 3 that processor 2 controls is completed.
One-to-many application scenarios mainly have the life of the electric quantity acquisition of each busbar of switchgear house, three proofings display screen in civil air defense constructions and installations
Enable control etc..
The one-to-many application of people's air defense wireless device information integrating device is as shown in Figure 3.
Embodiment 4, as the application example of dehumidifier agreement access, the dehumidifier of civil defense system is important ventilation and sets
It is standby, it is used for entering the wind and dehumidifying to people's air defense command post's underground space, dehumidifier is located in air inlet computer room, and duty room personnel can be on duty
Room remote control dehumidifier, by taking dehumidifier is equipped with serial ports MODBUS agreements as an example, protocol conversion realization includes at least one main place
Manage device 1, a coprocessor 2, a radio network gateway chip 3 and two radio frequency front end chips；As shown, being selected specifically to：
Primary processor 1 is one, and coprocessor 2 is one group to be connected with primary processor 1, and wireless device 4 includes host node 401 and one group
From node 402, gateway chip 3 is four, and each coprocessor 2 is connected with all gateway chips 3, host node 401 and from section
Point 402 is connected from different gateway chips 3 respectively；
The serial ports of people's air defense wireless device information integrating device and the serial ports of dehumidifier connect, and it is integrated to define wireless device information
Device is the main equipment of MODBUS, and dehumidifier is from equipment.
People's air defense wireless device information integrating device, the state and control data of dehumidifier, is turned by the data point table of dehumidifier
It is transmitted to the inside of primary processor 1 after the completion of changing and is preserved, people's air defense wireless device information integrating device passes through coprocessor 2
Start radio network gateway chip 3 and carries out data forwarding.
In order to improve civil air defense constructions and installations information propagation capabilities, WIFI module and bluetooth are both provided on each wireless device 4
Link block, people's air defense command post internal staff wears the devices such as the bracelet for having WIFI connections and bluetooth connection, when close
When the distance of a certain wireless device 4 reaches its farthest transmission range, bracelet will automatically be connect with wireless device 4, carry out data
It is shared, when wireless device has detected new equipment connection, the operating status of people's air defense wireless device information integrating device is believed at once
Breath is automatically sent in bracelet, and running state information meeting real-time update facilitates operation of the command post internal staff to integrating device
State understanding reaches unification, better understood when work order, preferably instructs practical operation, in addition, control room can also
The personnel amount that quantity situation conveniently learns each 4 attachment of wireless device is connected by the equipment of each wireless device 4, for control
Room processed preferably carries out personnel depaly and provides reference.
In the present invention, wireless device information integrating device is mainly by primary processor 1, coprocessor 2 and gateway chip 3 three
Part is constituted, and wherein radio network gateway chip 3 devises mutually redundant four paths, and two panels radio-frequency front-end is used per paths
Chip carries out Base-Band Processing, and radio frequency standard has used Lora specifications, and being closed per road network can by the Lora equipment outside coprocessor
It realizes quickly connection, reduces stand-by period when multiple connections, improve the utilization ratio of network, the node of widened system holds
Amount, composition real-time communication type network is easier, and network operation workload is smaller.
Claims (8)
1. a kind of wireless device information integrating device for people's air defense command post, key point is that described device includes primary processor
(1), the coprocessor with SPI interface (2) and the gateway chip (3) with coprocessor (2) wireless communication connection, gateway core
Piece (3) is used to handle the data-signal of wireless device (4), and coprocessor (2) is connected with primary processor (1), the gateway chip
(3) there are two the radio frequency front end chips of composition quadrature signal path for connection.
2. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The coprocessor (2) is internally provided with the buffer storage controlled for reiving/transmitting state.
3. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The gateway chip (3) has 8 radio-frequency channels for being independently arranged working frequency.
4. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The primary processor (1) is one, and coprocessor (2) is one group to be connected with primary processor (1), gateway chip (3) and association
Processor (2) connects one to one.
5. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The primary processor (1) is one, and coprocessor (2) is one group to be connected with primary processor (1), and gateway chip (3) is one
Group and each it is connected with all coprocessors (2).
6. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The primary processor (1) is one, and coprocessor (2) is one group to be connected with primary processor (1), and wireless device (4) includes
From node (402), gateway chip (3) is one group for host node (401) and one group, each coprocessor (2) with all gateway cores
Piece (3) be connected, host node (401) and from node (402) respectively from different gateway chips (3) be connected.
7. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The primary processor (1) is provided with Ethernet interface and asynchronous serial port.
8. a kind of wireless device information integrating device for people's air defense command post according to claim 1, it is characterised in that：
The coprocessor (2) at least two, and each coprocessor (2) is double SPI interfaces；Or coprocessor (2) is extremely
It is four less, and each coprocessor (2) is single SPI interface.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111124986A (en) * | 2019-12-30 | 2020-05-08 | 贵州兔淘智能科技有限公司 | Asynchronous serial port communication protocol compatible with Modbus and high in efficiency |
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| CN208424411U (en) * | 2018-07-06 | 2019-01-22 | 邯郸职业技术学院 | A kind of wireless device information integrating device for people's air defense command post |
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| CN111124986A (en) * | 2019-12-30 | 2020-05-08 | 贵州兔淘智能科技有限公司 | Asynchronous serial port communication protocol compatible with Modbus and high in efficiency |
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