CN107564266A - A kind of remote controller codes learning method and remote control learning device - Google Patents
A kind of remote controller codes learning method and remote control learning device Download PDFInfo
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Abstract
The invention discloses a kind of remote controller codes learning method, remote controller codes learning device, remote control and computer-readable recording medium, methods described to include：Receive and scan the raw information of button transmission, the raw information includes level duration；Base when being calculated according to the level duration, base includes the reference time length being calculated according to the level duration when described；According to it is described when base the raw information is encoded, obtain the button when base encode.Base provided by the present invention when will be described is as the reference time length encoded to level duration, can be on the basis of the specific coding implication and correlation of the duration of the level in not considering the raw information of remote control, the remote control coding form of compatible various types of electrical equipment, and processing mode is simple and easy, cost of implementation is low.
Description
Technical field
The present invention relates to digital signal technique field, more particularly to a kind of remote controller codes learning method and remote control study
Device.
Background technology
With the type of electrical equipment and increasing for quantity, the quantity of the remote control of electrical equipment is also being continuously increased.In order to facilitate use
Family controlling electric device, generate the use demand of universal remote control.But the difference of the remote control coding form due to various electrical equipment, it is omnipotent
Remote control needs to have the ability of study coding, storage coding and the coded excitation infrared code accordingly according to storage.Due to
The remote control coding form of different electrical equipment differs greatly, including exomonental quantity corresponding to each button and the width of pulse
Differ greatly from.And the consideration in cost, universal remote control typically use the microcontroller of low cost as main control part
Part, how on limited memory and memory space also limited microprocessor, a variety of remote control coding forms compatible as far as possible, with
And the more buttons of storage, turn into digital signal technique field urgent problem to be solved.
The content of the invention
The present invention provides a kind of remote controller codes learning method and remote control learning device, to solve in the prior art ten thousand
The problem of energy remote control poor compatibility and small amount of storage.
According to one aspect of the present invention, there is provided a kind of remote controller codes learning method, including：
Receive and scan the raw information of button transmission, the raw information includes level duration；
Base when being calculated according to the level duration；
According to it is described when base the raw information is encoded, obtain the button when base encode.
The present invention also provides remote controller codes learning device, including：
Scan module is received, for receiving and scanning the raw information of button transmission, the raw information is held including level
Continuous duration；
When base computing module, base during for being calculated according to the level duration；
When base coding module, for according to it is described when base the raw information is encoded, obtain the button when
Base encodes.
Remote controller codes learning method provided by the present invention, in the raw information by scanning button level it is lasting when
It is long, determine the minimum value in the duration of each level, as when base, then using the raw information and it is described when base,
The when base for obtaining the button is encoded and stored.Base, can as the reference time length encoded to level duration when described
It is simultaneous on the basis of the specific coding implication and correlation of the duration of the level in not considering the raw information of remote control
Hold the remote control coding form of various types of electrical equipment, and processing mode is simple and easy, cost of implementation is low.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the flow chart of the remote controller codes learning method in the inventive method embodiment 1；
Fig. 2 is the flow chart of the remote controller codes learning method in the inventive method embodiment 2；
Fig. 3 is the schematic diagram of the remote control raw information in the inventive method embodiment 3；
Fig. 4 is the flow chart of the remote controller codes learning method in the inventive method embodiment 3；
Fig. 5 is the structural representation of the remote controller codes learning device in the inventive method embodiment 4.
Embodiment
The exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although shown in accompanying drawing disclosed
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here institute
Limitation.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be complete by the scope of the present invention
Whole is communicated to those skilled in the art.
Fig. 1 be the inventive method embodiment 1 in remote controller codes learning method flow chart, the present invention as shown in Figure 1
Remote controller codes learning method in embodiment of the method 1, including：
Step 10, receive and scan the raw information of button transmission, the raw information includes level duration.
Specifically, the button generally use infrared remote coding of universal remote control, and infrared remote coding, generally use are high
Level and low level combination, and it is different using the duration of varying level, combine the coded system for representing different.Institute
The cycle of a bit of the numeric data code in raw information is stated typically within 0.1 millisecond to 10 milliseconds.The height electricity of 1 bit
Gentle low level ratio turns into dutycycle, then the dutycycle of general 1 bit, and typically 1:1.5-1:Between 4, or 1.5:
1-4:Between 1.
Step 20, base when being calculated according to the level duration.
Specifically, in the present embodiment, the process for being learnt, being stored and being resend after raw information is received, no
Consider the relation between duration between the various level in the raw information and combinations thereof, only record receives every
The duration of individual level.Due in raw information, no matter the coding of which kind of mode, the level duration of each of which code word
Between, certain correlation be present, therefore, in order to further improve the amount of storage of data, the present embodiment calculates the original
The fiducial time of level duration in beginning information, including minimum duration or average duration etc. are calculated, as
On the basis of duration, coding is compressed to raw information.
Step 30, according to it is described when base the raw information is encoded, obtain the button when base encode.
Specifically, by the level duration in the raw information, the multiple of base when being scaled described, or according to default
Related algorithm, calculate its with it is described when base between coefficient correlation, or according to default probability statistics algorithm, calculate itself and institute
Variance when stating between base etc., by all level durations in the raw information, according to base during unified reference time length,
Multiple value, coefficient correlation and the variance yields one kind therein conversed, is encoded, you can the when base for getting high compression rate is compiled
Code.
The remote controller codes learning method that the present embodiment is provided, level continues in the raw information by scanning button
Duration, determine the minimum value in the duration of each level, as when base, then using the raw information and it is described when
Base, the when base for obtaining the button are encoded and stored.Base is as the reference time length encoded to level duration when described,
Can on the basis of the specific coding implication and correlation of the duration of level is not considered, compatible various types of electrical equipment
Remote control coding form, and processing mode is simple and easy, cost of implementation is low.
In one of the embodiments, after the step of base encodes when storing described, methods described also includes：According to institute
When stating base and it is described when base encode, obtain the transmission information of the button；Launch the transmission information.
Specifically, the when base according to storage is being needed to encode, when sending the information of the button, it is only necessary to according to storage
When base coding and it is described when base, you can calculate the duration of each level of the information of actual transmission, launched.
The remote controller codes learning method that the present embodiment is provided, by by storage when base encode, and when base carry out letter
After single calculating, you can get the transmission information of the button for transmitting so that use the universal remote control of the present embodiment method
Transmitting calculate it is simple and convenient, exploitativeness is good, applied widely.
Fig. 2 is the flow chart of the remote controller codes learning method packet decoding in the inventive method embodiment 2, such as Fig. 2 institutes
Remote controller codes learning method in the inventive method embodiment 2 shown, including：
Step 21, the high level duration and/or low level duration in the raw information are obtained.
Specifically, in the raw information, comprising high level and low level, because the high level and low level are used for root
According to different coded systems, the different code words in raw information are expressed, mutual duration, certain association be present
Relation, therefore, the duration of high level is only obtained, or by only obtaining low level duration, or high electricity is obtained simultaneously
Flat duration and low level duration, for it is follow-up when base calculating, set according to actual conditions.
Step 22, in the high level duration and/or low level duration, by less than it is default when base threshold value
Duration is defined as duration to be averaged.
Specifically, due in reality, to represent ' 1 ' and ' 0 ' of the numeric data code in raw information, receiving high level time
There is obvious difference with the low level time, be equally data ' 1 ', the high level received and low level time can be with
There is 0.7-1.3 times of difference.Therefore, it is necessary to which the difference of the duration time in view of each level in practice, calculates one
Base when accurately, encode, base threshold value when can use described default, be adjusted according to demand for follow-up study, to calculate
Base when going out more accurate.
The array of hypothetical record original remote control scramble time is capture, and each records of values is every in capture arrays
One section of high level duration or low level duration, unit are microseconds.Shi Ji computational methods, including：
All numerical value of capture arrays are first scanned, find the minimum numerical value of value, and be recorded as minValue.
All numerical value of capture arrays are scanned, if the value value of a numerical value<1.5*minValue, then by this number
Value is defined as duration to be averaged, and records the number n of the duration to be averaged.
Step 23, the total duration of all durations to be averaged is calculated, and calculates the quantity of the duration to be averaged；Root
According to the total duration and the quantity, base when calculating described.
Specifically, all durations to be averaged are added up, obtain total duration sum, then when base timeBase=sum/n,
The when base got, according to the minimum value of level duration that calculates of the raw information that is an actually-received.
The remote controller codes learning method that the present embodiment is provided, according to the persistence level in the raw information received,
By less than it is default when base threshold value level duration be set as duration to be averaged after, calculate all durations to be averaged it is total when
Long and number, base when being obtained after average, base during by being calculated thus according to the raw information received so that the present embodiment is provided
Remote controller codes learning method applicability it is higher, and the when base got is more accurate, thus obtained follow-up when base
Coding, also more accurately and reliably.
Fig. 3 is the schematic diagram of the remote control raw information in the inventive method embodiment 3, as shown in figure 3, raw information point
For guidance code, user code and numeric data code, guidance code is one section of high level and one section of low level, and the guidance code is one and had
The beginning of the keyboard-coding of effect.For universal remote control, user code and numeric data code can regard the actual coding of button as, can be with
It is unified for button data coding.The data encoding of each bit is also to add one section of low level to form by one section of high level.Wherein,
The pulse period of general guidance code is longer than the cycle of numeric data code.The cycle (high level+low level time) of guidance code is general
Within 1 millisecond to 30 milliseconds, the cycle of one bit of numeric data code is typically within 0.1 millisecond to 10 milliseconds.Numeric data code one
The multiple of base when the high level of bit and low level time are all one, and generally this multiple is not over 4 times.
Fig. 4 is the flow chart of the remote controller codes learning method packet decoding in the inventive method embodiment 3, such as Fig. 4 institutes
Remote controller codes learning method in the inventive method embodiment 3 shown, including：
Step 10, receive and scan the raw information of button transmission, the raw information includes level duration.
Specifically, with embodiment step 10.
Step 20, base when being calculated according to the level duration.
Specifically, with embodiment step 20.When including guidance code and numeric data code in the raw information, it is necessary to based on two
The different characteristics of person is encoded, to improve compression ratio.
Step 31A, calculate level duration in the guidance information relative to it is described when base multiple, guided
Level multiple.
Specifically, because the high level of guidance code and low level duration are longer, the guiding high level calculated
The numerical value of multiple and guiding low level multiple is also larger.
Step 32A, binary coding is carried out to the guiding level multiple, base is compiled when obtaining the guiding of the guidance information
Code, and the code length that base encodes during the guiding is the first code length.
Specifically, the first code length includes a byte (8 bits), for representing the guiding high level multiple respectively
Low level multiple is guided with described, sufficiently to express high level and the low level duration in the guidance code.According to
The when base situation of the raw information received, first bit length can flexibly be set.
Step 31B, calculate level duration in the data message relative to it is described when base multiple, obtain data
Level multiple.
Specifically, because the high level in the numeric data code and low level duration are shorter, therefore calculate
Data high level multiple and data low level multiple are also smaller.
Step 32B, binary coding is carried out to the data level multiple, base is compiled when obtaining the data of the data message
Code, and the code length that base encodes during the data is the second code length.
Specifically, default second code length, including two bits, such as 00 represents data high level multiple or data low level
Multiple is 1 times, and 01 represents that data high level multiple or data low level multiple are 2 times, and 10 represent data high level multiple or number
It it is 3 times according to low level multiple, 11 represent that data high level multiple or data low level multiple are 4 times.For the feelings more than 4 times
Condition, intercept as 4 times.
The level duration of guidance code and data in the raw information actually got, can flexible first
The length value of code length and the second code length.
When the data high level multiple and the data low level multiple that are calculated according to the raw information received are bigger
Or more hour, second bit length can be adjusted accordingly, for preferably representing the data high level multiple and described
Data low level multiple, such as utilizes three bits, and maximum can represent that data high level multiple or data low level multiple are 8 times.
If described with conventional C language, the data format encoded is as follows：
The remote controller codes learning method that the present embodiment is provided, by way of default different bit length, respectively
Guidance code and numeric data code are encoded, can according in the raw information received different information codes carry out adaptability when
Base encodes so that the when base coding got can more accurately express the raw information.
Fig. 5 is the structural representation of the remote controller codes learning device in the inventive method embodiment 4, as shown in Figure 5
Remote controller codes learning device in the inventive method embodiment 4, including：
Scan module 10 is received, for receiving and scanning the raw information of button transmission, the raw information includes level
Duration；The raw information, including guidance information and data message.
When base computing module 20, base during for being calculated according to the level duration, base is included according to when described
The reference time length that level duration is calculated；Level duration acquiring unit, for obtaining in the raw information
High level duration and/or low level duration；Duration acquiring unit to be averaged, in the high level duration
And/or in low level duration, by less than it is default when base threshold value duration be defined as duration to be averaged；When base calculate it is single
Member, for calculating the total duration of all durations to be averaged, and calculate the quantity of the duration to be averaged；According to described total
Duration and the quantity, base when calculating described.
When base coding module 30, for level multiple computing unit, continue for calculating the level in the raw information
Duration relative to it is described when base multiple, obtain level multiple；Including level multiple computing unit, for calculating the original letter
Level duration in breath relative to it is described when base multiple, obtain level multiple；Coding unit, for the level times
Number carries out binary coding, and the when base for obtaining the raw information encodes.The level multiple computing unit, it is described for calculating
Level duration in guidance information relative to it is described when base multiple, obtain guiding level multiple, and calculate the number
It is believed that breath in level duration relative to it is described when base multiple, obtain data level multiple；The coding unit, is used for
Binary coding is carried out to the guiding level multiple, base encodes when obtaining the guiding of the guidance information, and during the guiding
The code length of base coding is the first code length；Binary coding is carried out to the data level multiple, obtains the number of the data message
According to when base encode, and during the data base encode code length be the second code length, first code length is more than second code length.
Send data obtaining module 40, for according to it is described when base and it is described when base encode, obtain the transmission of the button
Information；
Transmitter module 50, for launching the transmission information.
The remote controller codes learning device that the present embodiment is provided, level continues in the raw information by scanning button
Duration, determine the minimum value in the duration of each level, as when base, then using the raw information and it is described when
Base, the when base for obtaining the button are encoded and stored.Base is as the reference time length encoded to level duration when described,
Can on the basis of the specific coding implication and correlation of the duration of level is not considered, compatible various types of electrical equipment
Remote control coding form, and processing mode is simple and easy, cost of implementation is low.
The present invention provides a kind of remote control, and the remote control includes processor, memory and communication bus；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform the remote controller codes learning program stored in memory, to realize in the inventive method
The step of remote controller codes learning method described in any one.
The present invention provides a kind of electrical equipment, and the electrical equipment includes heretofore described remote control.
The present invention provides a kind of computer-readable recording medium, the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be appointed by one or more computing device with realizing in the inventive method
The step of remote controller codes learning method described in one.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：ROM, RAM, disk or CD etc..
In a word, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (11)
1. a kind of remote controller codes learning method, it is characterised in that methods described includes：
Receive and scan the raw information of button transmission, the raw information includes level duration；
Base when being calculated according to the level duration；
According to it is described when base the raw information is encoded, obtain the button when base encode.
2. remote controller codes learning method as claimed in claim 1, it is characterised in that methods described also includes：
According to it is described when base and it is described when base encode, obtain the transmission information of the button；
Launch the transmission information.
3. remote controller codes learning method as claimed in claim 1, it is characterised in that described according to the level duration
Base during calculating, including：
Obtain the high level duration and/or low level duration in the raw information；
In the high level duration and/or low level duration, by less than it is default when base threshold value duration it is true
It is set to duration to be averaged；
The total duration of all durations to be averaged is calculated, and calculates the quantity of the duration to be averaged；
According to the total duration and the quantity, base when calculating described.
4. remote controller codes learning method as claimed in claim 1, it is characterised in that it is described according to it is described when base to the original
Beginning information is encoded, and the when base for obtaining the button encodes, including：
Calculate level duration in the raw information relative to it is described when base multiple, obtain level multiple；
Binary coding is carried out to the level multiple, the when base for obtaining the raw information encodes.
5. remote controller codes learning method as claimed in claim 4, it is characterised in that
The raw information, including guidance information and data message；
The level duration calculated in the raw information relative to it is described when base multiple, obtain level multiple, wrap
Include：
Calculate level duration in the guidance information relative to it is described when base multiple, obtain guiding level multiple, with
And calculate level duration in the data message relative to it is described when base multiple, obtain data level multiple.
6. remote controller codes learning method as claimed in claim 5, it is characterised in that described that two are carried out to the level multiple
Scale coding, the when base for obtaining the raw information encode, including：
Binary coding is carried out to the guiding level multiple, base encodes when obtaining the guiding of the guidance information, and to institute
State data level multiple and carry out binary coding, base encodes when obtaining the data of the data message.
7. remote controller codes learning method as claimed in claim 6, it is characterised in that
The code length that base encodes during the guiding be the first code length, and the code length that base encodes during the data is the second code length, described the
One code length is more than second code length.
A kind of 8. remote controller codes learning device, it is characterised in that including：
Scan module is received, for receiving and scanning the raw information of button transmission, when the raw information continues including level
It is long；
When base computing module, base during for being calculated according to the level duration；
When base coding module, for according to it is described when base the raw information is encoded, obtain the button when base compile
Code.
9. a kind of remote control, it is characterised in that the remote control includes processor, memory and communication bus；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform the remote controller codes learning program stored in memory, to realize as in claim 1 to 7
The step of remote controller codes learning method described in any one.
10. a kind of electrical equipment, it is characterised in that the electrical equipment includes remote control as claimed in claim 9.
A kind of 11. computer-readable recording medium, it is characterised in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be by one or more computing devices, to realize such as claim 1 to 7
Any one of remote controller codes learning method the step of.
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| CN113542225A (en) * | 2021-06-17 | 2021-10-22 | 深圳市合广测控技术有限公司 | Data compression method and device, terminal equipment and storage medium |
| CN113807108A (en) * | 2020-06-11 | 2021-12-17 | 杭州九阳小家电有限公司 | Material box identification method of dish frying machine |
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