CN106301685A - A kind of asynchronous serial communication method and system - Google Patents
A kind of asynchronous serial communication method and system Download PDFInfo
- Publication number
- CN106301685A CN106301685A CN201610671599.0A CN201610671599A CN106301685A CN 106301685 A CN106301685 A CN 106301685A CN 201610671599 A CN201610671599 A CN 201610671599A CN 106301685 A CN106301685 A CN 106301685A
- Authority
- CN
- China
- Prior art keywords
- baud rate
- target
- module
- frame head
- serial communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
- H04L1/0008—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length by supplementing frame payload, e.g. with padding bits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4291—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a clocked protocol
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
- H04L1/0063—Single parity check
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Communication Control (AREA)
Abstract
The invention discloses a kind of asynchronous serial communication method, including: obtain target baud rate, generate baud rate clock signal with target baud rate；In units of byte, target is sent data and carries out scrambling process, and under the triggering of baud rate clock signal, obtain the scrambler that each byte is corresponding successively；Calculate the even-odd check result of each byte；Export the complete data frame formed with frame head and valid data frame；When receiving frame head, obtain target baud rate according to the jump frequency of frame head；Valid data frame is recovered with target baud rate.Owing to adding frame head before valid data frame, and frame head is triggered by baud rate clock signal, therefore when method of reseptance receives frame head, obtains, by the position saltus step information of frame head, the baud rate that sender is used.It addition, processed the safety that more ensure that communication by scrambling.This method reduce the probability that Content of communciation is ravesdropping.Invention additionally discloses a kind of asynchronous serial communication system, effect is described above.
Description
Technical field
The present invention relates to communication technique field, particularly relate to a kind of asynchronous serial communication method and system.
Background technology
In current asynchronous serial communication system, sender is with recipient according to the communication baud rate appointed (hereinafter
It is called for short baud rate) in units of byte, complete the serial transmission of frame data and data are recovered.Coding due to asynchronous serial communication
Mode is relatively simple, thus in the case of baud rate is fixing, the data content of communication two party is easy to be cracked, and confidentiality is relatively
Difference.
As can be seen here, how to reduce owing to serial communication data are intercepted, the probability that Content of communciation is ravesdropping is this area
Technical staff ground urgently to be resolved hurrily problem.
Summary of the invention
It is an object of the invention to provide a kind of asynchronous serial communication method and system.
For solving above-mentioned technical problem, the present invention provides a kind of asynchronous serial communication method, including:
Obtain target baud rate, generate baud rate clock signal with described target baud rate；
In units of byte, target is sent data and carries out scrambling process, and under the triggering of described baud rate clock signal
Obtain the scrambler that each byte is corresponding successively；
Calculate the even-odd check result of each byte；
Export the complete data frame formed with frame head and valid data frame；Wherein, the content of described frame head is OxAA, and by
Described baud rate clock signal triggers, and described valid data frame includes described scrambler and described even-odd check result；
When receiving described frame head, obtain described target baud rate according to the jump frequency of described frame head；
Recover described valid data frame with described target baud rate and send data to obtain described target.
Preferably, described acquisition target baud rate specifically includes:
One random number of stochastic generation in given excursion；
Calculate described random number and benchmark baud rate and to obtain described target baud rate.
Preferably, described have to obtain described target transmission data with the described target baud rate described valid data frame of recovery
Body includes:
Carry out disturbing process by described scrambler with described target baud rate；
Described even-odd check result is recovered with described target baud rate.
A kind of asynchronous serial communication system, including:
Sender's baud rate generation module, is used for obtaining target baud rate, when generating baud rate with described target baud rate
Clock signal；
Sender's data scrambling module, carries out scrambling process for target sends in units of byte data, and in institute
State and under the triggering of baud rate clock signal, obtain the scrambler that each byte is corresponding successively；
Sender's parity check module, for calculating the even-odd check result of each byte；
Sender's serial position calculation and Multiplexing module, the partial data formed with frame head and valid data frame for output
Frame；Wherein, the content of described frame head is OxAA, and is triggered by described baud rate clock signal, and described valid data frame includes institute
State scrambler and described even-odd check result；
Recipient's baud rate generation module, for when receiving described frame head, obtains according to the jump frequency of described frame head
Take described target baud rate；
Recipient recovers module, sends out to obtain described target for recovering described valid data frame with described target baud rate
Send data.
Preferably, also include: random number generation module, for one random number of stochastic generation in given excursion；
Benchmark baud rate output module, is used for exporting described benchmark baud rate；
Wherein, described sender's baud rate generation module and described random number generation module and the output of described benchmark baud rate
Module connects, for calculate described random number and benchmark baud rate and to obtain described target baud rate.
Preferably, described recipient recovers module and specifically includes:
Receiving side data goes to disturb module, for carrying out disturbing process by described scrambler with described target baud rate；
Recipient's parity check module, for recovering described even-odd check result with described target baud rate；
Recipient's serial position calculation and Multiplexing module, be used for switching described recipient's parity check module and described reception
Number formulary is according to going to disturb the data channel of module.
Preferably, described receiving side data goes to disturb module and includes 8 depositors.
Preferably, described sender's data scrambling module includes 8 depositors.
Asynchronous serial communication method provided by the present invention and system, generate baud rate clock signal with target baud rate,
Then send in target and add frame head before the valid data frame that data are corresponding, and frame head is touched by baud rate clock signal
Send out.When method of reseptance receives frame head, obtain, by the position saltus step information of frame head, the baud rate that sender is used, thus press
Recover valid data frame according to this baud rate and send data to obtain target.The complete number of acquisition is increased it addition, processed by scrambling
According to the difficulty of frame, more ensure that the safety of communication.As can be seen here, the method can reduce owing to serial communication data are cut
Take, the probability that Content of communciation is ravesdropping.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing used required in embodiment will be done simply below
Introduce, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of asynchronous serial communication method that Fig. 1 provides for the present invention；
The structure chart of a kind of asynchronous serial communication system that Fig. 2 provides for the present invention；
The structure chart of the another kind of asynchronous serial communication system that Fig. 3 provides for the present invention；
Fig. 4 sends the schematic diagram of complete data frame for a kind of sender that the present invention provides；
Fig. 5 receives the schematic diagram of complete data frame for a kind of recipient that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiment wholely.Based on this
Embodiment in invention, those of ordinary skill in the art are not under making creative work premise, and obtained is every other
Embodiment, broadly falls into scope.
The core of the present invention is to provide a kind of asynchronous serial communication method and system.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
The flow chart of a kind of asynchronous serial communication method that Fig. 1 provides for the present invention.Such as Fig. 1, asynchronous serial communication method
Including:
S10: obtain target baud rate, generates baud rate clock signal with target baud rate.
S11: in units of byte, target is sent data and carries out scrambling process, and under the triggering of baud rate clock signal
Obtain the scrambler that each byte is corresponding successively.
S12: calculate the even-odd check result of each byte.
S13: export the complete data frame formed with frame head and valid data frame；Wherein, the content of frame head is OxAA, and by
Baud rate clock signal triggers, and valid data frame includes scrambler and even-odd check result.
S14: when receiving frame head, obtains target baud rate according to the jump frequency of frame head.
S15: recover valid data frame with target baud rate and send data to obtain target.
In being embodied as, recipient generates baud rate clock signal with certain baud rate.Target baud rate can be appointed
Meaning sets, and as being preferably carried out mode, obtains target baud rate and specifically includes:
One random number of stochastic generation in given excursion, calculate random number and benchmark baud rate and to obtain mesh
Mark baud rate.
Target is sent data and carries out scrambling process with byte for unit, owing to scrambling is processed as prior art the most no longer
Repeat.It should be noted that in scrambling processing procedure, be to carry out under the triggering of baud rate clock signal, therefore, only
Recipient gets the baud rate of sender and just can carry out correct going and disturb process.In the present invention, recipient and sender without
The baud rate, i.e. baud rate of need to reaching an agreement in advance is to calculate according to the Frame actually obtained, and therefore, baud rate is to need not be solid
Fixed.
In the complete data frame that sending direction recipient sends, including two parts, a part is frame head, and another part is
Valid data frame, valid data frame here includes scrambler and even-odd check result.During sending, first send frame head, connect
Debit is after receiving frame head, and the jump frequency resolved in frame head obtains target baud rate.In the present invention, the content of frame head
Being fixing, for 0xAA, i.e. carry out in units of 16 systems, the A in 16 systems is corresponding, and in 2 systems, A is exactly 1010,
AA is exactly 10101010.Owing to frame head is triggered by baud rate clock signal, therefore, in frame head, the jump frequency of 1 and 0 is exactly
Target baud rate.The target baud rate of sender is can be obtained by by resolving the jump frequency recipient of 1 and 0.As can be seen here,
Sender and recipient be without with fixing baud rate transceiving data, it is to avoid in the most common asynchronous serial communication, sends out
The problem that the side of sending brings according to the baud rate that default is good with recipient.
As being preferably carried out mode, recover valid data frame with target baud rate and specifically wrap to obtain target transmission data
Include:
Carry out disturbing process by scrambler with target baud rate；
Even-odd check result is recovered with target baud rate.
The asynchronous serial communication method that the present embodiment provides, generates baud rate clock signal with target baud rate, then exists
Target sends and adds frame head before the valid data frame that data are corresponding, and frame head is triggered by baud rate clock signal.When
When method of reseptance receives frame head, obtain, by the position saltus step information of frame head, the baud rate that sender is used, thus according to this
Baud rate is recovered valid data frame and is sent data to obtain target.Acquisition complete data frame is increased it addition, processed by scrambling
Difficulty, more ensure that the safety of communication.As can be seen here, the method can reduce owing to serial communication data are intercepted,
The probability that Content of communciation is ravesdropping.
The structure chart of a kind of asynchronous serial communication system that Fig. 2 provides for the present invention.Asynchronous serial communication system includes:
Sender's baud rate generation module 10, is used for obtaining target baud rate, generates baud rate clock with target baud rate
Signal.
Sender's data scrambling module 11, carries out scrambling process for target sends in units of byte data, and
The scrambler that each byte is corresponding is obtained successively under the triggering of baud rate clock signal.
Sender's parity check module 12, for calculating the even-odd check result of each byte.
Sender's serial position calculation and Multiplexing module 13, the complete number formed with frame head and valid data frame for output
According to frame；Wherein, the content of frame head is OxAA, and is triggered by baud rate clock signal, and valid data frame includes scrambler and odd even school
Test result.
Transmission is led to after the scrambled data of a byte is sent completely by sender's serial position calculation and Multiplexing module 13
Road is switched to sender's parity check module 12 to export even-odd check result.
Recipient's baud rate generation module 14, for when receiving frame head, obtains target according to the jump frequency of frame head
Baud rate.
Recipient recovers module 15, sends data for recovering valid data frame with target baud rate to obtain target.
On the basis of above-described embodiment, also include:
Random number generation module, for one random number of stochastic generation in given excursion；
Benchmark baud rate output module, for output reference baud rate；
Wherein, sender's baud rate generation module 10 is connected with random number generation module and benchmark baud rate output module,
For calculate random number and benchmark baud rate and to obtain target baud rate.
The structure chart of the another kind of asynchronous serial communication system that Fig. 3 provides for the present invention.On the basis of above-described embodiment,
Recipient recovers module 15 and specifically includes:
Receiving side data goes to disturb module 16, for carrying out disturbing process by described scrambler with described target baud rate；
Recipient's parity check module 17, for recovering described even-odd check result with described target baud rate；
Recipient's serial position calculation and Multiplexing module 18, be used for switching recipient's parity check module 17 and receiving number formulary
According to going to disturb the data channel of module 16.
As being preferably carried out mode, receiving side data goes to disturb module 16 and includes 8 depositors.
As being preferably carried out mode, sender's data scrambling module 11 includes 8 depositors.
Owing to the embodiment of device part is the most corresponding with the embodiment of method part, therefore the embodiment of device part please
See the description of the embodiment of method part, wouldn't repeat here.
The asynchronous serial communication system that the present embodiment provides, generates baud rate clock signal with target baud rate, then exists
Target sends and adds frame head before the valid data frame that data are corresponding, and frame head is triggered by baud rate clock signal.When
When method of reseptance receives frame head, obtain, by the position saltus step information of frame head, the baud rate that sender is used, thus according to this
Baud rate is recovered valid data frame and is sent data to obtain target.Acquisition complete data frame is increased it addition, processed by scrambling
Difficulty, more ensure that the safety of communication.As can be seen here, the method can reduce owing to serial communication data are intercepted,
The probability that Content of communciation is ravesdropping.
The present invention proposes in order to allow those skilled in the art more understand asynchronous serial communication method and system, published picture
4 and Fig. 5.Fig. 4 sends the schematic diagram of complete data frame for a kind of sender that the present invention provides.Fig. 5 provide for the present invention one
Plant recipient and receive the schematic diagram of complete data frame.In Fig. 4, deposit for 8 of Q0-Q7 respectively sender's data scrambling module 11
Device, in Fig. 5, Q0-Q7 respectively receiving side data removes to disturb 8 depositors of module 16.
Above asynchronous serial communication method provided by the present invention and system are described in detail.In description each
Embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, each
Between embodiment, identical similar portion sees mutually.For device disclosed in embodiment, owing to it is public with embodiment
The method opened is corresponding, so describe is fairly simple, relevant part sees method part and illustrates.It should be pointed out that, for
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to if the present invention is carried out
Dry improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, the most generally describes composition and the step of each example according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (8)
1. an asynchronous serial communication method, it is characterised in that including:
Obtain target baud rate, generate baud rate clock signal with described target baud rate；
In units of byte, target is sent data and carries out scrambling process, and under the triggering of described baud rate clock signal successively
Obtain the scrambler that each byte is corresponding；
Calculate the even-odd check result of each byte；
Export the complete data frame formed with frame head and valid data frame；Wherein, the content of described frame head is OxAA, and by described
Baud rate clock signal triggers, and described valid data frame includes described scrambler and described even-odd check result；
When receiving described frame head, obtain described target baud rate according to the jump frequency of described frame head；
Recover described valid data frame with described target baud rate and send data to obtain described target.
Asynchronous serial communication method the most according to claim 1, it is characterised in that described acquisition target baud rate is specifically wrapped
Include:
One random number of stochastic generation in given excursion；
Calculate described random number and benchmark baud rate and to obtain described target baud rate.
Asynchronous serial communication method the most according to claim 1, it is characterised in that described with the recovery of described target baud rate
Described valid data frame specifically includes to obtain described target transmission data:
Carry out disturbing process by described scrambler with described target baud rate；
Described even-odd check result is recovered with described target baud rate.
4. an asynchronous serial communication system, it is characterised in that including:
Sender's baud rate generation module, is used for obtaining target baud rate, generates baud rate clock letter with described target baud rate
Number；
Sender's data scrambling module, carries out scrambling process for target sends in units of byte data, and at described ripple
Obtain, under the triggering of special rate clock signal, the scrambler that each byte is corresponding successively；
Sender's parity check module, for calculating the even-odd check result of each byte；
Sender's serial position calculation and Multiplexing module, the complete data frame formed with frame head and valid data frame for output；
Wherein, the content of described frame head is OxAA, and by described baud rate clock signal trigger, described valid data frame include described in disturb
Code and described even-odd check result；
Recipient's baud rate generation module, for when receiving described frame head, obtains institute according to the jump frequency of described frame head
State target baud rate；
Recipient recovers module, sends number for recovering described valid data frame with described target baud rate to obtain described target
According to.
Asynchronous serial communication system the most according to claim 4, it is characterised in that also include:
Random number generation module, for one random number of stochastic generation in given excursion；
Benchmark baud rate output module, is used for exporting described benchmark baud rate；
Wherein, described sender's baud rate generation module and described random number generation module and described benchmark baud rate output module
Connect, for calculate described random number and benchmark baud rate and to obtain described target baud rate.
Asynchronous serial communication system the most according to claim 4, it is characterised in that described recipient recovers module and specifically wraps
Include:
Receiving side data goes to disturb module, for carrying out disturbing process by described scrambler with described target baud rate；
Recipient's parity check module, for recovering described even-odd check result with described target baud rate；
Recipient's serial position calculation and Multiplexing module, be used for switching described recipient's parity check module and described reception number formulary
According to going to disturb the data channel of module.
Asynchronous serial communication system the most according to claim 6, it is characterised in that described receiving side data goes to disturb module bag
Include 8 depositors.
Asynchronous serial communication system the most according to claim 4, it is characterised in that described sender's data scrambling module bag
Include 8 depositors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671599.0A CN106301685B (en) | 2016-08-15 | 2016-08-15 | A kind of asynchronous serial communication method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671599.0A CN106301685B (en) | 2016-08-15 | 2016-08-15 | A kind of asynchronous serial communication method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106301685A true CN106301685A (en) | 2017-01-04 |
| CN106301685B CN106301685B (en) | 2019-06-21 |
Family
ID=57672015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671599.0A Active CN106301685B (en) | 2016-08-15 | 2016-08-15 | A kind of asynchronous serial communication method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106301685B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104757A (en) * | 2017-04-26 | 2017-08-29 | 福建格通电子信息科技有限公司 | A kind of method and system for lifting data interaction security |
| CN112039635A (en) * | 2020-08-28 | 2020-12-04 | 杭州万高科技股份有限公司 | UART baud rate self-adaption method and device based on RC oscillator |
| CN113438142A (en) * | 2021-06-21 | 2021-09-24 | 京东方科技集团股份有限公司 | Communication method, communication system and storage system |
| CN114372016A (en) * | 2021-12-27 | 2022-04-19 | 安徽大学 | Asynchronous serial communication method based on frame synchronous code plus modulation |
| CN114826542A (en) * | 2022-05-17 | 2022-07-29 | 重庆奥普泰通信技术有限公司 | Data transmission method, device, equipment and medium based on asynchronous serial communication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263033B1 (en) * | 1998-03-09 | 2001-07-17 | Advanced Micro Devices, Inc. | Baud rate granularity in single clock microcontrollers for serial port transmissions |
| KR20090059280A (en) * | 2007-12-06 | 2009-06-11 | 한국전자통신연구원 | Apparatus of gernerating scrambling sequence |
| CN104360970A (en) * | 2014-10-11 | 2015-02-18 | 中国船舶重工集团公司第七二四研究所 | Self-adaptive transmission technology for serial bus protocol |
| CN104714920A (en) * | 2015-02-13 | 2015-06-17 | 暨南大学 | Baud rate self-adaptation signal receiving method |
| CN105068966A (en) * | 2015-08-19 | 2015-11-18 | 长沙威胜信息技术有限公司 | Serial automatic identification method |
-
2016
- 2016-08-15 CN CN201610671599.0A patent/CN106301685B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263033B1 (en) * | 1998-03-09 | 2001-07-17 | Advanced Micro Devices, Inc. | Baud rate granularity in single clock microcontrollers for serial port transmissions |
| KR20090059280A (en) * | 2007-12-06 | 2009-06-11 | 한국전자통신연구원 | Apparatus of gernerating scrambling sequence |
| CN104360970A (en) * | 2014-10-11 | 2015-02-18 | 中国船舶重工集团公司第七二四研究所 | Self-adaptive transmission technology for serial bus protocol |
| CN104714920A (en) * | 2015-02-13 | 2015-06-17 | 暨南大学 | Baud rate self-adaptation signal receiving method |
| CN105068966A (en) * | 2015-08-19 | 2015-11-18 | 长沙威胜信息技术有限公司 | Serial automatic identification method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104757A (en) * | 2017-04-26 | 2017-08-29 | 福建格通电子信息科技有限公司 | A kind of method and system for lifting data interaction security |
| CN107104757B (en) * | 2017-04-26 | 2019-12-03 | 福建格通电子信息科技有限公司 | A kind of method and system promoting data interaction safety |
| CN112039635A (en) * | 2020-08-28 | 2020-12-04 | 杭州万高科技股份有限公司 | UART baud rate self-adaption method and device based on RC oscillator |
| CN113438142A (en) * | 2021-06-21 | 2021-09-24 | 京东方科技集团股份有限公司 | Communication method, communication system and storage system |
| CN113438142B (en) * | 2021-06-21 | 2023-06-20 | 京东方科技集团股份有限公司 | Communication method, communication system and storage system |
| CN114372016A (en) * | 2021-12-27 | 2022-04-19 | 安徽大学 | Asynchronous serial communication method based on frame synchronous code plus modulation |
| CN114372016B (en) * | 2021-12-27 | 2023-09-29 | 安徽大学 | Asynchronous serial communication method based on frame synchronization code modulation |
| CN114826542A (en) * | 2022-05-17 | 2022-07-29 | 重庆奥普泰通信技术有限公司 | Data transmission method, device, equipment and medium based on asynchronous serial communication |
| CN114826542B (en) * | 2022-05-17 | 2023-05-16 | 重庆奥普泰通信技术有限公司 | Data transmission method, device, equipment and medium based on asynchronous serial communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106301685B (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106301685A (en) | A kind of asynchronous serial communication method and system | |
| CN104243456B (en) | Suitable for signature of the cloud computing based on SM2 algorithms and decryption method and system | |
| CN103858370B (en) | The apparatus and method for sending/receiving forward error correction packet in mobile communication system | |
| CN103795523B (en) | Electric bidding document multilamellar encrypting and deciphering system and method for e-bidding | |
| CN101202624B (en) | Method and system of document transmission | |
| CN103746962B (en) | GOOSE electric real-time message encryption and decryption method | |
| CN107124281A (en) | A kind of data security method and related system | |
| CN202906969U (en) | Boundary safety transmission equipment base on unidirectional light technology and a communication system employing the equipment | |
| CN105578491A (en) | Method and device for associating 4G user information with application data | |
| CN107911354B (en) | Composite parallel data encryption method | |
| CN103874059B (en) | Message processing method and device, system | |
| CN107070942A (en) | A kind of data security method and related system | |
| CN103281178B (en) | A kind of anonymous communication method and system | |
| CN108989043A (en) | Block processes method, apparatus and block chain node | |
| CN106131241A (en) | A kind of method for connecting network, device and mobile terminal | |
| CN104753653A (en) | Rate de-matching method, device and reception-side equipment | |
| CN109150377A (en) | Sending method, method of reseptance, network side equipment and the terminal device of information | |
| CN104079578A (en) | Evidence-taking data hidden transmission method and system | |
| CN110011787A (en) | A kind of data block fill method and device based on AES encryption algorithm | |
| RU2646346C2 (en) | Apparatus and method for transmitting and receiving forward error correction packet | |
| CN103023630A (en) | Method for hiding information of speech stream on basis of speech coding by pulse code modulation | |
| CN105679066A (en) | Device and system for transmitting road condition information through CDR | |
| CN109379199A (en) | User credit processing method, device, equipment and storage medium | |
| CN102325025A (en) | Data processing method and system for verifying provision source authenticity | |
| US20080062987A1 (en) | Method and system for wireless VoIP communications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |