CN106330408A - Data transmission system and method - Google Patents
Data transmission system and method Download PDFInfo
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- CN106330408A CN106330408A CN201610728297.2A CN201610728297A CN106330408A CN 106330408 A CN106330408 A CN 106330408A CN 201610728297 A CN201610728297 A CN 201610728297A CN 106330408 A CN106330408 A CN 106330408A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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Abstract
The invention provides a data transmission system and method. The data transmission system comprises a host machine and multiple slave machines, wherein the host machine is provided with a wireless sending module and a wired signal receiving module; each of the slave machines is provided with a wireless receiving module and a wired signal providing module; the wired receiving module is respectively connected with the wired signal providing modules of the multiple slave machines via data cables; the wireless sending module is configured to broadcast and send a frame of application data to the multiple slave machines through a wireless manner; the wired signal receiving module is configured to receive answering signals of the multiple slave machines in response to the frame of the application data, and notify the wireless sending module to send the next frame of the application data after determining all answering signals returned from the multiple slave machines are correct; the wireless receiving modules are configured to receive the application data sent by the wireless sending module; and the wired signal providing modules are configured to feed the answering signals back to the host machine via the data cables. And thus, the communication reliability is improved, and the hardware cost is saved.
Description
Technical field
The present invention relates to communication technology, particularly relate to a kind of data transmission system and method.
Background technology
Existing communication, in communication process, needs communicating pair to hold according to set communication protocol
Hands, on the one hand needs certain acknowledging time, on the other hand need processor that handshake data is analyzed during shaking hands,
The sequence of operations such as process, response, need to consume the operational capability of processor, lead to from machine especially for a fairly large number of
In the case of letter, the processor of main frame needs possess higher data-handling capacity.
Therefore, in existing wireless communication technology, during making wirelessly to carry out data transmission, time substantial amounts of
Between and the wasting of resources in the confirmation response of communicating pair, have impact on communication efficiency and stability.
Summary of the invention
It is an object of the present invention to provide a kind of data transmission system and the method that efficiency of transmission is high.
The present invention one further objective is that hardware cost to be saved.
The present invention another further objective is that the stability that data to be improved are transmitted.
According to an aspect of the invention, it is provided a kind of data transmission system, it includes main frame and multiple from machine, wherein
Main frame is provided with wireless sending module and wire signal receiver module, each machine is provided with wireless receiving module and wired
Signal provides module, and wire signal receiver module provides module to be connected with multiple from the wire signal of machine by data wire respectively,
And wireless sending module is configured to: wirelessly send frame application data to multiple Slave Broadcast；Wire signal connects
Receipts module is configured to: receive multiple answer signal responding these frame application data from machine, and the most multiple from machine return determining
Answer signal correct after, notice wireless sending module sends next frame application data；Wireless receiving module is configured to: receive nothing
The application data that line sending module sends；Wire signal provides module to be configured to: feed back answer signal by data alignment main frame.
Alternatively, wireless sending module is configured to: obtain the triggering signal starting data communication, and according to triggering signal
Read corresponding application data, for transmission；And wire signal receiver module is configured to: the response letter in clear buffer
Number and communication overtime identify, with the initialization before communicating.
Alternatively, wireless sending module is configured to: after determining that the most multiple answer signal returned from machine is correctly, sentence
Whether these frame application data disconnected are last frame；If it is not, by the answer signal in wire signal receiver module clear buffer and
Communication overtime identifies, and performs wirelessly to send the step of next frame application data；If so, data communication is completed
Journey.
Alternatively, wire signal receiver module is configured to: if in default response time, does not receives the most
The individual correct answer signal returned from machine, makes wireless sending module resend these frame application data until main frame receives all
Multiple from machine return correct answer signals or determine communication failure.
Alternatively, at wire signal receiver module in default time-out time, continue not receive the most multiple from machine
The correct answer signal returned, or wireless sending module resends the number of times of these frame application data and exceedes the feelings of set point number
Under condition, determine communication failure.
Alternatively, wire signal provides module to be configured to: after wireless receiving module receives frame application data, logical
Cross data alignment main frame and send corresponding answer signal；Each also including data processing module from machine, it is configured to: judge to receive
To application data whether be the most treated retransmission data, if it is not, after then the application data received being processed wait
Next frame data；The most directly wait that main frame sends next frame application data.
According to another aspect of the present invention, additionally provide a kind of data transmission method, pass from machine to multiple for main frame
Transmission of data, wherein main frame is communicatively coupled by data wire and wireless mode from machine with multiple the most simultaneously, and data pass
Transmission method includes: main frame wirelessly sends frame application data to multiple Slave Broadcast；Host computer data wire receives
Multiple answer signals responding these frame application data from machine, and after determining that the most multiple answer signal returned from machine is correctly,
Wirelessly send next frame application data.
Alternatively, start also to include before multiple Slave Broadcast send the first frame application data at main frame: obtain and start
The triggering signal of data communication；According to triggering application data corresponding to signal-obtaining, and the answer signal in clear buffer and
Communication overtime identifies, with the initialization before communicating.
Alternatively, determining that the most multiple answer signal from machine return also includes after correct: judge this frame application data
Whether it is last frame；If it is not, the answer signal in clear buffer and communication overtime mark, and perform wirelessly to send out
Send the step of next frame application data；If so, data communication process is completed.
Alternatively, at main frame wirelessly simultaneously after multiple Slave Broadcast send the step of frame application data
Also including: if in default response time, main frame does not receives the most multiple correct answer signal returned from machine, again
Send these frame application data until main frame receives the most multiple correct answer signal returned from machine or determines communication failure,
Wherein it is determined that the step of communication failure includes: main frame resends the number of times of these frame application data and exceedes set point number；Or it is main
Machine, in default time-out time, continues not receive the most multiple correct answer signal returned from machine, and time-out time is longer than
Response time；And each from machine after receiving frame application data, send corresponding response by data alignment main frame and believe
Number；Judge whether the application data received are the most treated retransmission data, if it is not, then carry out the application data received
Next frame data are waited after process；The most directly wait that main frame sends next frame application data.
The data transmission system of the present invention, main frame wirelessly sends application data to multiple Slave Broadcast, from machine
To host response answer signal by the way of data wire after receiving the data that main frame issues, thus avoid main frame with many
The individual communication handshake from machine, improves communication efficiency.Additionally main frame can arrange wireless receiving module, and also saves from machine
Wireless transmitter module, saves hardware cost.
Further, the data transmission system of the present invention, can apply to main frame unidirectional to the occasion from machine transmission data,
It is particularly suited for multiple from machine distributed arrangement, but the relatively-stationary situation of installation site, such as main frame is as sound-box device, and
Voice data is provided as multiple loudspeaker, main frame to loudspeaker from machine；The most such as main frame is as game station, to as dividing from machine
Cloth module provides game renewal data.
Further, the data transmission system of the present invention and method, utilize main frame and the data connection approach from machine, right
Communication process has been also carried out optimizing, and main frame, after having sent each frame data, waits all after the correct response of machine, retransmits down
One frame data.Owing to answer signal uses wired mode transmission, it is not necessary to main frame carries out data analysis and process, thus logical in guarantee
Communication reliability is improve in the case of letter efficiency.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, advantage and the feature of the present invention.
Accompanying drawing explanation
Describe some specific embodiments of the present invention the most by way of example, and not by way of limitation in detail.
Reference identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these
Accompanying drawing is not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic architectural diagram of data transmission system according to an embodiment of the invention；
Fig. 2 is the schematic diagram of data transmission method according to an embodiment of the invention；
Fig. 3 is the execution flow chart of main frame in data transmission method according to an embodiment of the invention；And
Fig. 4 be according to an embodiment of the invention in data transmission method from the execution flow chart of machine.
Detailed description of the invention
The present embodiment provide firstly a kind of data transmission system 10, carries out data with multiple from machine 200 for main frame 100
One-way transmission, facilitates, from machine 200, the occasion that cable is connected with main frame 100.Such as main frame 100 is as sound-box device, and from machine 200
As multiple loudspeaker, main frame 100 provides voice data to loudspeaker；The most such as main frame 100 is as game station, to as from machine
The distributed module of 200 provides game renewal data.Main frame 100 utilizes communication to send data to from machine 200, from machine
200 utilize data wire 300 to return answer signal to main frame 100.
Fig. 1 is the schematic architectural diagram of data transmission system 10 according to an embodiment of the invention, and this system 10 includes
Main frame 100 and multiple from machine 200, main frame 100 is provided with wireless sending module 110 and wire signal receiver module 120, each
Described machine 200 be provided with wireless receiving module 210 and wire signal module 220 is provided.Figure shows main frame 100 and three
The individual example carried out data transmission from machine 200, when actually used, can join according to using needs from the quantity of machine 200
Put.
Wireless sending module 110 is configured through wireless mode and connects from wireless receiving module 210 data of machine 200 with multiple
Connecing, the data form of its communication, traffic rate, channel, signal intensity can pre-set respectively, thus ensure wireless transmission mould
The Frame that block 110 sends can be received smoothly by wireless receiving module 210, it is to avoid in prior art, communication is multiple
Miscellaneous handshake procedure.Such as wireless sending module 110 and wireless receiving module can use 2.4G Radio Transmission Technology to carry out list
To be wirelessly transferred.
Wire signal receiver module 120 provides module with multiple from the wire signal of machine 200 by data wire 300 respectively
220 connect, and this data wire 300 can be that analog signal line or digital signal line, such as wire signal receiver module 120 have
Multiple data wire 300 interfaces, each data wire 300 interface connects a data line 300 to and carries from the wire signal of machine 200
For module.Owing to data wire 300 is only used for one-way transmission answer signal, it is possible to use the communications cable of simplification.Data wire 300 can
To preferably employ digital data transmission answer signal, each from machine 200 by an independent data wire 300 with main frame 100 even
Connect.
During carrying out data transmission, wireless sending module 110 can send data, such as frame by frame at wireless transmission
Module 110 wirelessly to multiple after machine 200 broadcast transmission one frame application data；From the wireless receiving module 210 of machine 200
For receiving the application data that wireless sending module 110 sends, wire signal provides module 220 to connect at wireless receiving module 210
Answer signal is fed back by data wire 300 to main frame 100 after receiving these frame application data；Wire signal receiver module 120 is permissible
Receive multiple answer signal responding these frame application data from machine 200, and determine the most multiple response letter returned from machine 200
After number correct, notice wireless sending module 110 sends next frame application data.
In above-mentioned communication process, main frame 100 can be that each arranges a relief area from machine 200, should for record
From answer signal and the communication overtime mark of machine 200, after frame data send, scan these relief areas, to determine whether
Have has only fed back answer signal from machine 200.All after correct answer signal replied by machine 200 determining, institute can be removed
Some record answer signals and communication overtime mark, use for next frame data.
Before proceeding by data transmission, wireless sending module 110 is configured to: obtain the triggering letter starting data communication
Number, and the application data corresponding according to triggering signal-obtaining, for transmission.Wire signal receiver module 120 can remove buffering
Answer signal in district and communication overtime mark, with the initialization before communicating.Above-mentioned triggering signal can be the behaviour of user
Make signal (such as to main frame 100 interface or the operation of button), timing signal (sending one group of data at interval of Preset Time) etc..
Wireless sending module 110 is after determining that the most multiple answer signal returned from machine 200 is correctly, it is also possible to judging should
Whether frame application data are last frame；If the application data not last frame sent, then by wire signal receiver module 120
Answer signal in clear buffer and communication overtime mark, and perform wirelessly to send the step of next frame application data
Suddenly；If the application data sent are last frames, completing data communication process, wireless sending module 110 can be to from 200, machine
Data are sent to send the id signal terminated.
If wire signal receiver module 120 is in default response time, does not receives and the most multiple return from machine 200
Correct answer signal, wireless sending module 110 can be made to resend these frame application data until main frame 100 receives all
Multiple from machine 200 return correct answer signals or determine communication failure.Such as presetting at wire signal receiver module 120
Time-out time in, continue not receive the most multiple correct answer signal returned from machine 200, or wireless sending module
In the case of 110 number of times resending these frame application data exceed set point number, it may be determined that communication failure.During above-mentioned response
Between can be configured according to the data-handling capacity from machine 200, can determine according to test.And time-out time can also basis
Main frame 100 is configured with the communications status from machine 200, and typically in this time-out time, main frame 100 can carry out many secondary data
Retransmit.
After wireless receiving module 210 receives frame application data, wire signal provides module 220 can also pass through number
Send the answer signal of correspondence to main frame 100 according to line 300.
Each can also include data processing module (not shown) from machine 200, data processing module can be configured to:
Judge whether the application data received are the most treated retransmission data, if it is not, at then to the application data received
Next frame data are waited after reason；The most directly wait that main frame 100 sends next frame application data.
The data transmission system 10 of the present embodiment, can be simplified existing communication module, such as at main frame 100
In without carrying out reception of wireless signals, without arranging wireless sending module 110 from machine 200.And utilize simple and reliable
Data wire 300 carries out answer signal transmission, improves main frame 100 and carries out the use scene of one-way transmission from machine 200 to multiple
The efficiency of data transmission, and save hardware cost.
The embodiment of the present invention additionally provides a kind of data transmission method, and this data transmission method can be transmitted by above-mentioned data
System 10 performs, and is optimized communication process, improves communication reliability in the case of ensureing communication efficiency.Fig. 2 is root
According to the schematic diagram of the data transmission method of one embodiment of the invention, this data transmission method may include that in general manner
Step S202, main frame 100 wirelessly to multiple from machine 200 broadcast transmission one frame application data；
Step S204, main frame 100 utilizes data wire 300 to receive multiple response letter responding these frame application data from machine 200
Number；
Step S206, after determining that the most multiple answer signal returned from machine 200 is correctly, under wirelessly sending
One frame application data.
The data transmission method of the present embodiment, utilizes this wireless mode to carry out data transmission, and utilizes data wire 300 to carry out
The transmission of answer signal, improves efficiency and the reliability of data transmission, saves hardware cost simultaneously.
Starting to multiple before machine 200 broadcast transmission the first frame application data at main frame 100, main frame 100 can also be held
Row following steps: obtain the triggering signal starting data communication；The application data corresponding according to triggering signal-obtaining, and remove slow
Rush the answer signal in district and communication overtime mark, with the initialization before communicating.
After determining in step S206 that the most multiple answer signal returned from machine 200 is correctly, main frame 100 can also judge this
Whether frame application data are last frame；If it is not, the answer signal in clear buffer and communication overtime mark, and perform to pass through
Wireless mode sends the step of next frame application data；If so, data communication process is completed.
If main frame 100 has sent in the response time preset after frame application data, do not receive the most multiple from
The correct answer signal that machine 200 returns, resends these frame application data until main frame 100 receives the most multiple from machine 200
Return correct answer signal or determine communication failure, wherein it is determined that the step of communication failure includes: main frame 100 is sent out again
The number of times giving these frame application data exceedes set point number；Or main frame 100 is in default time-out time, continue not receive entirely
The multiple correct answer signal returned from machine 200 in portion, time-out time is longer than response time.Above-mentioned response time can be according to from machine
The data-handling capacity of 200 is configured, and can determine according to test.And time-out time can also be according to main frame 100 and from machine
The communications status of 200 is configured, and typically in this time-out time, main frame 100 can carry out repeatedly data re-transmitting.
Each from machine 200 after receiving frame application data, correspondence can be sent to main frame 100 by data wire 300
Answer signal；And judge whether the application data received are the most treated retransmission data, if not retransmission data, from
Machine 200 can wait next frame data after processing the application data received.If retransmission data, from machine 200 directly etc.
Treat that main frame 100 sends next frame application data.
The data transmission method of the present invention, main frame 100 wirelessly to multiple from machine 200 broadcast transmission application number
According to, after receiving the data that main frame 100 issues, by the way of data wire 300, reply response letter to main frame 100 from machine 200
Number, thus avoid main frame 100 and multiple communication handshake from machine 200, improve communication efficiency.Additionally main frame 100 is sending
After complete each frame data, wait all after the correct response of machine 200, retransmit next frame data.Have owing to answer signal uses
Line mode transmission, it is not necessary to main frame 100 carries out data analysis and process, thus improves communication in the case of ensureing communication efficiency
Reliability.And main frame 100 can arrange wireless receiving module 210, and also save wireless transmitter module from machine 200,
Save hardware cost.
Fig. 3 is the execution flow chart of main frame 100 in data transmission method according to an embodiment of the invention, in these data
In method, main frame 100 can perform following steps:
Step S302, wireless transmission transmission commencing signal；
Step S304, removes all answer signals from machine 200 and communication overtime mark, initial with before being transmitted
Change；
Step S306, wirelessly sends the first frame application data；
Step S308, it may be judged whether receive the correct answer signal all returned from machine 200, if being carried out step S310
And subsequent step, perform step S320 and subsequent step thereof if not；
Step S310, it is judged that whether data are sent, if so, this communication is successfully completed, and performs step S312 if not；
Step S312, frame count adds one, removes all answer signals from machine 200 and communication overtime mark, and frame count is used
In recording currently transmitted frame number；
Step S320, it is judged that whether the data of transmission are the first frame；
Step S322, it may be judged whether communication overtime, if this sends unsuccessfully, performs step S330 if not；
Step S330, sends frame application data, and these frame application data determine next frame or repeating transmission according to frame count
Present frame.After completing step S330, return and perform step S308, carry out response letter with the Frame that step S330 is sent
Number detection.
Fig. 4 be according to an embodiment of the invention in data transmission method from the execution flow chart of machine 200, in these data
In method, following steps can be performed from machine 200:
Step S402, receives transmission commencing signal；
Step S404, prepares to receive data；
Step S406, it is judged that setting in the waiting time whether receive frame data, if being carried out step S410 and thereafter
Continuous step, the most directly performs step S418；
Step S410, it is judged that receiving data is a new frame or identical with previous frame, returns if not and performs step S406；
Step S412, if receiving data is a new frame or identical with previous frame, then puts answer signal, to main frame 100
Reply and receive data success；
Step S414, it is judged that receive whether data are a new frame, if being carried out step S416 and subsequent step thereof, if not
The most directly return and perform step S406；
Step S416, processes this frame data, and process can include data preservation, parsing etc.；
Step S418, it is judged that data are sent, if being sent return to perform step S402, in order to once lead to
Letter, performs step S406 if otherwise returning, in order to receive the next frame data of this communication.
Utilize above main frame 100 and the cooperation from machine 200, main frame 100 after having sent each frame data, wait all from
After the correct response of machine 200, retransmit next frame data.Owing to answer signal uses wired mode transmission, it is not necessary to main frame 100 is carried out
Data analysis and process, thus improve communication reliability in the case of ensureing communication efficiency.
The data transmission system 10 of the present embodiment can apply in the product up-gradation of intelligence block toy, this modular system
10 include polylith building block and base.Building block built-in intelligence parts, to realize various game function.Base on the one hand conduct
The storing apparatus of building block, is used for placing building block, on the other hand can also provide charge power supply to building block, in building block
Built-in battery charging, and provide data wire 300 to connect.Chassis interior is disposed with base circuit plate, and it is disposed with charging
Circuit and communication control circuit.Charging circuit is for being charged building block；Communication control circuit is for setting up with building block
Realize software upgrading and game content updates.
When building block carrying out software upgrading and game content updates, building block is placed on base, to realize data
The connection of line 300；Base circuit plate as main frame 100, building block as from machine 200；The data that base circuit plate will need to update
Wirelessly being sent to building block, building block is to carry out signal response by data wire 300, from simultaneously can be to multiple building blocks
Carry out data upgrading simultaneously, avoid simultaneously and arrange that complicated data processing circuit causes the upper of cost at base and building block
Rise.
The data transmission system 10 of the present embodiment can also be applied in sound-box device, and main frame 100 wirelessly provides
Voice data, is arranged at loudspeaker from machine 200, the data that main frame 100 transmits to be played out.
This shows the data transmission system 10 of the present embodiment to be applicable in main frame 100 is unidirectional to send to from machine 200
The occasion of data, is particularly suited for multiple from machine 200 distributed arrangement, but the relatively-stationary situation of installation site.
So far, although those skilled in the art will appreciate that the multiple of the most detailed present invention of illustrate and describing show
Example embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
Determine or derive other variations or modifications of many meeting the principle of the invention.Therefore, the scope of the present invention is it is understood that and recognize
It is set to and covers other variations or modifications all these.
Claims (10)
1. a data transmission system, including main frame and multiple from machine, wherein said main frame be provided with wireless sending module and
Wire signal receiver module, each described is provided with wireless receiving module from machine and wire signal provides module, described wired
Signal receiving module is connected with multiple described wire signal offer modules from machine by data wire respectively, and
Described wireless sending module is configured to: send a frame application number by described wireless mode to the plurality of Slave Broadcast
According to；
Described wire signal receiver module is configured to: receive the plurality of answer signal responding these frame application data from machine, and
After determining that the most the plurality of answer signal returned from machine is correctly, notify that described wireless sending module sends next frame application
Data；
Described wireless receiving module is configured to: receive the application data that described wireless sending module sends；
Described wire signal provides module to be configured to: feed back described answer signal by main frame described in described data alignment.
System the most according to claim 1, wherein,
Described wireless sending module is configured to: obtains the triggering signal starting data communication, and reads according to described triggering signal
Take the application data of correspondence, for transmission；And
Described wire signal receiver module is configured to: the answer signal in clear buffer and communication overtime mark, to carry out
Initialization before communication.
System the most according to claim 1, wherein said wireless sending module is configured to:
After determining that the most the plurality of answer signal returned from machine is correctly, it is judged that whether these frame application data are last
Frame；
If it is not, identified by the answer signal in described wire signal receiver module clear buffer and communication overtime, and perform institute
State the step being sent next frame application data by described wireless mode；
If so, data communication process is completed.
System the most according to claim 1, wherein said wire signal receiver module is configured to:
If in default response time, do not receive the most the plurality of correct answer signal returned from machine, make described
Wireless sending module resend these frame application data until described main frame receive the most the plurality of from machine return correct
Answer signal or determine communication failure.
System the most according to claim 4, wherein,
At described wire signal receiver module in default time-out time, continue not receive the most the plurality of returning from machine
Correct answer signal, or described wireless sending module resends the number of times of these frame application data and exceedes the feelings of set point number
Under condition, determine communication failure.
System the most according to claim 1, wherein,
Described wire signal provides module to be configured to: after described wireless receiving module receives and applies data described in a frame,
Corresponding answer signal is sent by main frame described in described data alignment；
Also include data processing module described in each from machine, it is configured to: judge whether the application data received are to have located
The retransmission data of reason, if it is not, wait next frame data after then processing the application data received；The most direct etc.
Treat that described main frame sends next frame application data.
7. a data transmission method, transmits data to multiple from machine for main frame, and wherein said main frame is with the plurality of from machine
It is communicatively coupled by data wire and wireless mode the most simultaneously, and described communication means includes:
Described main frame sends frame application data by described wireless mode to the plurality of Slave Broadcast；
Data wire described in described host computer receives the plurality of answer signal responding these frame application data from machine, and is determining
After the most the plurality of answer signal from machine return is correct, send next frame application data by described wireless mode.
Method the most according to claim 7, wherein, starts to send the first frame to the plurality of Slave Broadcast at described main frame
Also include before application data:
Obtain the triggering signal starting data communication；
According to the application data that described triggering signal-obtaining is corresponding, and the answer signal in clear buffer and communication overtime mark
Know, with the initialization before communicating.
Method the most according to claim 7, wherein after determining that the most the plurality of answer signal returned from machine is correctly
Also include:
Judge whether these frame application data are last frame；
If it is not, the answer signal in clear buffer and communication overtime mark, and sent by described wireless mode described in execution
The step of next frame application data；
If so, data communication process is completed.
Method the most according to claim 7, wherein,
Described main frame by described wireless mode simultaneously to the plurality of Slave Broadcast send frame application data step it
After also include: if in default response time, described main frame do not receive the most the plurality of from machine return just should indeed
Answer signal, resend these frame application data until described main frame receives the most the plurality of correct response letter returned from machine
Number or determine communication failure, wherein, the described step determining communication failure includes: described main frame resends this frame application number
According to number of times exceed set point number；Or described main frame is in default time-out time, continue not receive the most the plurality of
The correct answer signal returned from machine, described time-out time is longer than described response time；And
Described in each from machine after receiving application data described in a frame, send correspondence by main frame described in described data alignment
Answer signal；Judge whether the application data received are the most treated retransmission data, if it is not, then to the application number received
According to waiting next frame data after processing；The most directly wait that described main frame sends next frame application data.
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| CN108616292A (en) * | 2018-08-01 | 2018-10-02 | 珠海格力电器股份有限公司 | Communication circuit, communication method thereof, controller and electric equipment |
| CN109015656A (en) * | 2018-09-07 | 2018-12-18 | 东南大学 | Communication of Muti-robot System system based on 2.4G radio frequency chip |
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