CN108934004A - A kind of read method and device of classics blue-teeth data - Google Patents
A kind of read method and device of classics blue-teeth data Download PDFInfo
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- CN108934004A CN108934004A CN201811083973.0A CN201811083973A CN108934004A CN 108934004 A CN108934004 A CN 108934004A CN 201811083973 A CN201811083973 A CN 201811083973A CN 108934004 A CN108934004 A CN 108934004A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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Abstract
The invention discloses the read methods and device of a kind of classical blue-teeth data.Wherein the read method of classical blue-teeth data includes the following steps: that data collection station communicates one real time data packet of timing a milliseconds of transmission by bluetooth Socket；The inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket reads a real time data packet by b milliseconds of time delays, and the arbitrary data of any byte is write to the output stream stream_write that bluetooth Socket is communicated at once, the step is repeated, until target Bluetooth devices have read all real time data packets sended over.The present invention often reads the arbitrary data that a real time data Bao Jun writes any byte to the output stream stream_write that bluetooth Socket is communicated at once, greatly reduces the time that Bluetooth connection data reads data by above-mentioned principle.
Description
Technical field
The present invention relates to field of data transmission, and in particular to a kind of read method and device of classics blue-teeth data.
Background technique
When reading the data in classical bluetooth Socket connection using existing scheme, the per set time hair of socket transmitting terminal
A data are sent, the time difference that receiving end can read data from Socket connection twice, there are bigger delays, no
The real-time processing display in later period is carried out conducive to the real time data acquired by bluetooth.Such as socket transmitting terminal every 100ms time
Sending a data, receiving end can read time differences of data there are bigger delay from Socket connection twice,
Delay packet number greater than 200ms can achieve 2.48%, and maximum delay time is up to 4500ms or more.
Summary of the invention
The technical problem to be solved by the present invention is to reduce Bluetooth connection data read data time, and it is an object of the present invention to provide
A kind of read method and device of classics blue-teeth data, it is logical to bluetooth Socket at once often to read a real time data Bao Jun
The output stream stream_write of letter writes the arbitrary data of any byte, greatly reduce Bluetooth connection data read data when
Between.
The present invention is achieved through the following technical solutions:
In a first aspect, including the following steps: the present invention provides a kind of read method of classical blue-teeth data
Data collection station communicates one real time data packet of timing a milliseconds of transmission by bluetooth Socket；Target Bluetooth is set
The standby inlet flow stream_read communicated by bluetooth Socket reads a real time data packet by b milliseconds of time delays,
And the arbitrary data of any byte is write to the output stream stream_write that bluetooth Socket is communicated at once, the step is repeated,
Until target Bluetooth devices have read all real time data packets sended over.
Corresponding in a first aspect, the inlet flow stream_ that the target Bluetooth devices of this programme are communicated by bluetooth Socket
Read reads the maximum value bmax in time delays b used in real time data packet every time, passes through with using target Bluetooth devices
The inlet flow stream_read of bluetooth Socket communication reads real time data packet without being in time delays c used in other processing
Maximum c max compare, bmax ratio cmax reduces 50% or more.
Corresponding in a first aspect, the inlet flow stream_ that the target Bluetooth devices of this programme are communicated by bluetooth Socket
Read is read every time in time delays b used in real time data packet, and the real time data packet of time delays b > 2a accounts for total number in real time
According to the ratio k of packet, reality is read every time with the inlet flow stream_read communicated using target Bluetooth devices by bluetooth Socket
When data packet without doing other processing, the real time data packet of time delays c > 2a used account for the ratio h phase of total real time data packet
Than k ratio h reduces an order of magnitude.
Corresponding in a first aspect, the output stream stream_write that the wherein bluetooth Socket of this programme is communicated writes 1 byte
Arbitrary data.
Second aspect, the present invention have listened a kind of reading device of classical blue-teeth data, including data transmission blocks: data are adopted
Collect terminal and one real time data packet of timing a milliseconds of transmission is communicated by bluetooth Socket；Data read module: target Bluetooth devices
The inlet flow stream_read communicated by bluetooth Socket reads a real time data packet by b milliseconds of time delays, and
The arbitrary data for writing any byte to the output stream stream_write that bluetooth Socket is communicated at once, repeats the step, directly
All real time data packets sended over have been read to target Bluetooth devices.
Corresponding to second aspect, the invention also includes data collection stations, for acquiring human body physiological data in real time.
Compared with prior art, the present invention having the following advantages and benefits: the present invention passes through in Socket connection
After reading data, any character of any byte is written in the output stream of bluetooth Socket connection at once, improves indigo plant
Tooth chip next time reads the response time of real time data packet, substantially reduces the time for reading real time data packet next time, side
Just target Bluetooth devices carry out smooth realtime curve to the real time data packet read.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is flow chart of the invention；
Fig. 2 is the principle of the present invention block diagram；
Fig. 3 is when target Bluetooth devices are the mobile phone of model millet MI 6, and classical bluetooth is worked respectively at two kinds not
With the data test result figure under operating mode；
Fig. 4 is when target Bluetooth devices are the mobile phone of model Oneplus A3000, and classical bluetooth is worked respectively two
Data test result figure under kind different working modes；
Fig. 5 is when target Bluetooth devices are the mobile phone of model honor 9, and classical bluetooth is worked respectively in two kinds of different works
Data test result figure under operation mode.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
As shown in Figure 1, the present invention includes a kind of read method of classical blue-teeth data, include the following steps:
Step S1: data collection station communicates one real time data packet of timing a milliseconds of transmission by bluetooth Socket；Data
Acquisition terminal can be wearable health equipment, mobile phone, computer and other devices for having Bluetooth function, wearable health equipment
It can be smartwatch.The time a millisecond value regularly sent can be 50ms, 100ms, 200ms or other.
Step S2: the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket is by b milliseconds of times
Delay reads a real time data packet, and writes any word to the output stream stream_write that bluetooth Socket is communicated at once
The arbitrary data of section repeats the step, until target Bluetooth devices have read all real time data packets sended over.Wherein mesh
The inlet flow stream_read that mark bluetooth equipment is communicated by bluetooth Socket reads the time of a real time data packet every time
The numerical value of delay b can be the same or different, and the time interval between the adjacent real time data packet of any two is mutually indepedent, mutually
It does not influence.But it is that the numerical value of a is equal to the numerical value of b in the ideal case equal to a that the value of b, which is centainly greater than, i.e. data are adopted
Collect terminal and one real time data packet of timing a milliseconds of transmission is communicated by bluetooth Socket, target Bluetooth devices are received by once
The real time data packet, but influenced by various environmental factors, target Bluetooth devices receive the time b of real time data packet all
It is greater than a, such as reads first real time data packet by the time delays of 100ms, then may passes through 100ms, 200ms
Or other delay times read second real time data packet, then using 100ms, 200ms either other numerical value
Delay time read third real time data packet, and so on until having read all real time data packets.In this programme
Target Bluetooth devices can be mobile phone, wearable health equipment or other devices for having wireless Bluetooth.This programme
The output stream stream_write of middle bluetooth Socket communication writes the arbitrary data of any byte, can be letter, the number of 1 byte
Word, symbol, Chinese character perhaps the letter of other 1 bytes, number, symbol, Chinese character or other can also be changed to 2 bytes, 3 bytes
Either n byte, n take random natural number.The output stream stream_write of the preferred bluetooth Socket communication of this programme writes 1 byte
Arbitrary data, this kind setting response time it is most fast.
The inlet flow stream_read that wherein target Bluetooth devices are communicated by bluetooth Socket reads a reality every time
When data packet time delays b be not quite similar, the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket
The maximum value bmax in time delays b used in real time data packet is read every time, passes through bluetooth with using target Bluetooth devices
The inlet flow stream_read of Socket communication reads real time data packet without being in time delays c used in other processing most
Big value cmax is compared, and bmax ratio cmax reduces 50% or more.
The inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket reads real time data packet every time
In time delays b used, the real time data packet of time delays b > 2a accounts for the ratio k of total real time data packet, blue with use target
The inlet flow stream_read that tooth equipment is communicated by bluetooth Socket reads real time data packet without doing other processing every time,
The ratio h that the real time data packet of time delays c > 2a used accounts for total real time data packet is compared, and k ratio h reduces an order of magnitude.Its
In, it is exactly that a number is bigger than another number that the order of magnitude, which refers to that a series of 10 be the power of the truth of a matter, such as two number difference an order of magnitude,
10 times.
It is illustrated below with reference to Fig. 3-5, Fig. 3-5 is that target Bluetooth devices select different model mobile phone, classical bluetooth point
Do not work the data test result figure under two kinds of different working modes.
As shown in figure 3, when target Bluetooth devices are the mobile phone of model millet MI 6, data collection station timing
100ms sends real time data packet, and the mobile phone of model millet MI 6 uses bluetooth conventional operating mode received data packet, i.e. mobile phone
The inlet flow stream_read communicated by bluetooth Socket reads real time data packet without doing other processing every time, is testing
Receiving real-time data packet total degree be 1350 times in, received in the time interval c of real time data packet every time, c be greater than 200ms
Number reach 28 times, c is greater than 200ms several ratio and accounts for the 2.0741% of total degree, and the maximum value of time interval c reaches
583ms.And use bluetooth operating mode of the present invention, i.e., after reading data by Socket connection, at once to bluetooth
The mode that any character of any byte is written in the output stream of Socket connection, test received real time data packet it is total
Number receives in the time interval b of real time data packet every time in 1350 times, and number of the b greater than 200ms only has 2 times, and b is big
The 0.1481% of total degree is only accounted in the ratio of 200ms number, the maximum value of time interval b also falls below 297ms.
As shown in figure 4, data collection station is fixed when target Bluetooth devices are the mobile phone of model Oneplus A3000
When 100ms send real time data packet, mobile phone use bluetooth conventional operating mode received data packet, i.e., mobile phone pass through bluetooth Socket
The inlet flow stream_read reading real time data packet of communication is total in the receiving real-time data packet of test without doing other processing
Number is to be received in the time interval c of real time data packet every time in 1350 times, and number of the c greater than 200ms reaches 31 times, and c is big
The 2.2963% of total degree is accounted in the ratio of 200ms number, the maximum value of time interval c reaches 658ms.And use the present invention blue
Tooth operating mode after reading data by Socket connection, is written in the output stream of bluetooth Socket connection at once
The mode of any character of any byte, test received real time data packet total degree in 1350 times, receive every time
Into the time interval b of real time data packet, number of the b greater than 200ms only has 3 times, and the ratio that b is greater than 200ms number only accounts for always
The maximum value of the 0.2222% of number, time interval b also falls below 235ms.
As shown in figure 5, when target Bluetooth devices are the mobile phone of model honor 9, data collection station timing 100ms hair
Real time data packet is sent, mobile phone uses bluetooth conventional operating mode received data packet, i.e. mobile phone is communicated defeated by bluetooth Socket
The stream_read that becomes a mandarin reads real time data packet without doing other processing, is in the receiving real-time data packet total degree of test
It in 1350 times, is received in the time interval c of real time data packet every time, number of the c greater than 200ms reaches 33 times, and c is greater than
The ratio of 200ms number accounts for the 2.4444% of total degree, and the maximum value of time interval c reaches 872ms.And use bluetooth of the present invention
Operating mode, i.e., after reading data by Socket connection, write-in is appointed in the output stream of bluetooth Socket connection at once
Anticipate byte any character mode, test received real time data packet total degree in 1350 times, receive every time
In the time interval b of real time data packet, number of the b greater than 200ms only has 4 times, and the ratio that b is greater than 200ms number only accounts for total time
The maximum value of several 0.2963%, time interval b also falls below 253ms.
By above-mentioned test data it is found that when data collection station sends one by 100 milliseconds of timing of bluetooth Socket communication
A real time data packet is read in real time according to target Bluetooth devices by the inlet flow stream_read that bluetooth Socket is communicated
Data packet is without being other processing, the time difference c for the data that target Bluetooth devices can be read from Socket connection twice
There are biggish delay, delay real time data packet number of the time delays c greater than 200ms can achieve 2.48%, when maximum delay
Between can achieve 4500ms or more.According to the input that scheme target Bluetooth devices are communicated by bluetooth Socket described in this programme
Stream stream_read reads a real time data packet by b milliseconds of time delays, and communicated at once to bluetooth Socket
Output stream stream_write writes the arbitrary data of any byte, and target Bluetooth devices can be read from Socket connection twice
To the maximum delay times of time difference b of data drop within 250ms, time delays b is greater than the delay real time data of 200ms
Packet number drops to 0.21%.
After this programme reads data by Socket connection, be written at once in the output stream of bluetooth Socket connection
Any character of any byte improves the response time for reading real time data packet Bluetooth chip next time, substantially reduces next
The secondary time for reading real time data packet facilitates target Bluetooth devices to carry out smooth real-time number to the real time data packet read
According to display.
Embodiment 2:
Such as Fig. 2, it illustrates a kind of reading devices of classical blue-teeth data of the invention, including processor interconnected
And memory, it further include connected to the processor
Data transmission blocks: data collection station communicates one real time data of timing a milliseconds of transmission by bluetooth Socket
Packet；
Data read module: the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket is by b milli
Second time delays read a real time data packet, and write at once to the output stream stream_write that bluetooth Socket is communicated
The arbitrary data of any byte, repeats the step, until target Bluetooth devices have read all real time data packets sended over.
Preferably, the output stream stream_write of bluetooth Socket communication writes the arbitrary data of 1 byte.
Wherein, the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket in data read module
The maximum value bmax in time delays b used in real time data packet is read every time, passes through bluetooth with using target Bluetooth devices
The inlet flow stream_read of Socket communication reads real time data packet without being in time delays c used in other processing every time
Maximum c max compare, bmax ratio cmax reduces 50% or more.
Wherein, the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket in data read module
It reads in time delays b used in real time data packet every time, the real time data packet of time delays b > 2a accounts for total real time data packet
Ratio k, with the inlet flow stream_read reading real time data packet communicated using target Bluetooth devices by bluetooth Socket
Without doing other processing, the ratio h that the real time data packet of time delays c > 2a used accounts for total real time data packet is compared, k ratio h drop
Low an order of magnitude.
It preferably, further include data collection station, for acquiring human body physiological data in real time.
It will appreciated by the skilled person that the data collection station mentioned in the method for the present invention and device can be
Wearable health equipment, mobile phone, computer and other devices for having Bluetooth function, wearable health equipment can be intelligent hand
Table.Target Bluetooth devices in this programme for mobile phone, wearable health equipment or other can have wireless Bluetooth
Device.
It will appreciated by the skilled person that implement the method for the above embodiments be can be with
It is completed through hardware, relevant hardware can also be instructed to complete by program, the program can store in computer
In readable storage medium storing program for executing, which may include the process such as the embodiment of above-mentioned each method when being executed.Wherein, described
Storage medium can be read-only memory, random access memory, disk or CD etc..
In conclusion being used and existing skill the present invention provides the read method and device of a kind of classical blue-teeth data
The different method of art after reading data by Socket connection, is written in the output stream of bluetooth Socket connection at once
Any character of any byte improves the response time for reading real time data packet Bluetooth chip next time, substantially reduces next
The secondary time for reading real time data packet facilitates target Bluetooth devices to carry out smooth real-time number to the real time data packet read
According to display.Wherein target Bluetooth devices are twice from the maximum value in the time difference that can read data in Socket connection than existing
There is technology to reduce more than half, target Bluetooth devices can read from Socket connection big in the time difference of data twice
10 times are reduced than the prior art in the ratio that data collection station sends twice of the time of real time data packet.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of read method of classics blue-teeth data, which comprises the steps of:
Data collection station communicates one real time data packet of timing a milliseconds of transmission by bluetooth Socket；
The inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket is read by b milliseconds of time delays
One real time data packet, and the arbitrary number of any byte is write to the output stream stream_write that bluetooth Socket is communicated at once
According to repetition step, until target Bluetooth devices have read all real time data packets sended over.
2. a kind of read method of classical blue-teeth data according to claim 1, which is characterized in that target Bluetooth devices are logical
The inlet flow stream_read for crossing bluetooth Socket communication is read in time delays b used in real time data packet most every time
Big value bmax, is read in real time every time with the inlet flow stream_read communicated using target Bluetooth devices by bluetooth Socket
Data packet is compared without the maximum c max being in time delays c used in other processing, and bmax ratio cmax reduces 50% or more.
3. a kind of read method of classical blue-teeth data according to claim 1 or 2, which is characterized in that target Bluetooth is set
The standby inlet flow stream_read communicated by bluetooth Socket is read every time in time delays b used in real time data packet,
The real time data packet of time delays b > 2a accounts for the ratio k of total real time data packet, passes through bluetooth with using target Bluetooth devices
Socket communication inlet flow stream_read read real time data packet without doing other processing, time delays c > 2a's used
The ratio h that real time data packet accounts for total real time data packet is compared, and k ratio h reduces an order of magnitude.
4. a kind of read method of classical blue-teeth data according to claim 1, which is characterized in that wherein bluetooth Socket
The output stream stream_write of communication writes the arbitrary data of 1 byte.
5. a kind of reading device of classics blue-teeth data, which is characterized in that including
Data transmission blocks: data collection station communicates one real time data packet of timing a milliseconds of transmission by bluetooth Socket；
Data read module: when the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket is by b milliseconds
Between delay read a real time data packet, and at once to bluetooth Socket communicate output stream stream_write write arbitrarily
The arbitrary data of byte repeats the step, until target Bluetooth devices have read all real time data packets sended over.
6. a kind of reading device of classical blue-teeth data according to claim 5, which is characterized in that in data read module
When the inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket is read every time used in real time data packet
Between the maximum value bmax that is delayed in b, with the inlet flow stream_read communicated by bluetooth Socket using target Bluetooth devices
It reads real time data packet every time to compare without the maximum c max being in time delays c used in other processing, bmax ratio cmax drop
Low 50% or more.
7. a kind of reading device of classical blue-teeth data according to claim 5 or 6, which is characterized in that reading data mould
The inlet flow stream_read that target Bluetooth devices are communicated by bluetooth Socket in block is read every time used in real time data packet
Time delays b in, the real time data packet of time delays b > 2a accounts for the ratio k of total real time data packet, and is set using target Bluetooth
The standby inlet flow stream_read communicated by bluetooth Socket reads real time data packet without doing other processing, time used
The ratio h that the real time data packet of delay c > 2a accounts for total real time data packet is compared, and k ratio h reduces an order of magnitude.
8. a kind of reading device of classical blue-teeth data according to claim 5, which is characterized in that wherein bluetooth Socket
The output stream stream_write of communication writes the arbitrary data of 1 byte.
9. a kind of reading device of classical blue-teeth data according to claim 5, which is characterized in that further include data acquisition
Terminal, for acquiring human body physiological data in real time.
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| CN201811083973.0A CN108934004A (en) | 2018-09-17 | 2018-09-17 | A kind of read method and device of classics blue-teeth data |
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Application publication date: 20181204 |