CN101989379B - Learning method and transmitting method of infrared cod signal and remote controller - Google Patents
Learning method and transmitting method of infrared cod signal and remote controller Download PDFInfo
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Abstract
The invention relates to a remote control technology, in particular to an infrared code control signal learning technology in the remote control technology, and the invention discloses a learning method and a transmitting method of the infrared cod control signal of a remote controller and the remote controller, which are used for realizing the learning and the reduction of the infrared code control signal of the remote controller and reducing the code data volume as much as possible so as to save the storage space. According to the learning technology of the infrared code signal, which is provided by the embodiment of the invention, indexes can be established for different level widths and can be coded and stored according to the sort orders of high and low levels; the width and the order of the levels can be sequentially determined according to the coding and the sort order of the indexes, so that the infrared code control signal is reduced, thereby the code data volume can be greatly saved and the storage space of the remote controller can be saved when the infrared code signal appears repeatedly at the same level width.
Description
Technical field
The present invention relates to telecontrol engineering, the infrared coding control signal learning art in particularly a kind of telecontrol engineering.
Background technology
Along with growth in the living standard, the electrical equipment kind in the general family also becomes increasingly abundant.Increasing of household electrical appliances kind brings the various of telepilot kind, and for example commonly used just comprises: the telepilot of TV remote controller, DVD player, the telepilot of each room air conditioner and the power amplifier telepilot in the home theater or the like.Miscellaneous telepilot can be controlled the demand of the telepilot of polymorphic type household electrical appliances and arise at the historic moment for using and taking care of and make troubles.
And the universal remote control on the existing market is to certain type electric equipment design; Generally can control the household electrical appliances of different manufacturers of the same type; The universal remote control used of TV for example; Be to the television design of existing different manufacturers, can not be used to control the household electrical appliances of other types, also just can not solve the inconvenience that brings of a great variety of miscellaneous telepilot.
Summary of the invention
The embodiment of the invention provides a kind of learning method of telepilot infrared coding control signal, the launching technique and the telepilot of infrared coding control signal; In order to the study and the reduction of realization telepilot infrared coding control signal, and reduce amount of coded data to save storage space as far as possible.
A kind of learning method of telepilot infrared coding control signal comprises:
The infrared coding control signal that the telepilot that reception will be learnt sends; Obtain the carrier cycle of said infrared coding control signal; And high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Size according to all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
According to each level width coding alignment sequence of data in the said level width coding serial data; Confirm the ranking of each high level or low level level width value correspondence in said level width coding serial data; The ranking of determining is encoded and is level width index coded data string according to each high level and the low level sequential combination that occurs, and the byte number that the coded data of each ranking takies is the 3rd setting value;
Carrier cycle is encoded to the carrier cycle coded data, and the byte number that said carrier cycle coded data takies is the 4th setting value;
According to setting the said level width coding of sequential combination serial data, carrier cycle coded data and level width index coded data string, form the coded data of telepilot infrared coding control signal.
Further; Before the telepilot infrared coding control signal that said reception will be learnt; Also comprise: the level width value that is recorded at least two pilot codes that receive successively before the said infrared coding control signal respectively; Wherein said at least two pilot codes comprise the high-low level that alternately occurs, and first pilot codes is a high level, and last pilot codes is a low level;
Also comprise before the coded data of said formation telepilot infrared coding control signal: the level width value of at least two pilot codes is encoded respectively and is combined into pilot codes coded data string; The byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said pilot codes coded data string.
Further, during telepilot infrared coding control signal that said reception will be learnt, also comprise: all high level of accumulative total and low level total number; And
Also comprise before the coded data of said formation telepilot infrared coding control signal: said total number is encoded to total number coded data, and the byte number that said total number coded data takies is the 7th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said total number coded data.
A kind of telepilot comprises:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of said infrared coding control signal; And the unit of high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Be used for size according to all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be the unit of level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
Be used for according to each level width coding alignment sequence of data of said level width coding serial data; Confirm the ranking of each high level or low level level width value correspondence in said level width coding serial data; The ranking of determining is encoded and the unit that sequential combination is a level width index coded data string occurred according to each high level and low level, and the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that said carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting the said level width coding of sequential combination serial data, carrier cycle coded data and level width index coded data string.
A kind of launching technique of telepilot infrared coding control signal comprises:
The byte number that takies according to the coded data of the byte number of putting in order of setting, each level width coding data occupancy, total bytes that level width coding serial data takies, each ranking; And the byte number that takies of said carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain level width coding serial data, carrier cycle coded data and level width index coded data string; Wherein, Said level width coding serial data comprises a plurality of level width value codings that size is inequality; The coded data that comprises each high level and low level level width value corresponding ranking in said level width coding serial data in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
In said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the said level width coding serial data, confirm each high level and low level level width and shooting sequence in the said infrared coding control signal;
Confirm the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
According to each high level in the said infrared coding control signal and low level level width and shooting sequence, launch high level and low level infrared coding control signal successively according to said carrier frequency.
Further; Also the desired location from the coded data of telepilot infrared coding control signal obtains pilot codes coded data string; The level width value coded data that comprises at least two pilot codes of launching successively before the said infrared coding control signal in the said pilot codes coded data string; Wherein said at least two pilot codes comprise the high-low level that alternately occurs, and first pilot codes is a high level, and last pilot codes is a low level; The byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
Said according to each high level in the said infrared coding control signal and low level level width and shooting sequence; Launch successively before high level and the low level signal according to said carrier frequency; Also comprise: the level width value coded data according to the pilot codes in the said pilot codes coded data string puts in order, according to the infrared coding control signal of said at least two pilot codes of said transmit frequency.
Further, also comprise: also the desired location from the coded data of telepilot infrared coding control signal obtains the coded data of all high level and low level total number; And
When launching high level and low level infrared coding control signal successively,, confirm high level and low level total number of being launched according to the corresponding total number of said total number coded data according to said carrier frequency.
A kind of telepilot comprises:
Be used for the byte number that the coded data of the byte number according to putting in order of setting, each level width coding data occupancy, total bytes that level width coding serial data takies, each ranking takies; And the byte number that takies of said carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of level width coding serial data, carrier cycle coded data and level width index coded data string; Wherein, Said level width coding serial data comprises a plurality of level width value codings that size is inequality; The coded data that comprises each high level and low level level width value corresponding ranking in said level width coding serial data in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the said level width coding serial data, confirm the unit of each high level and low level level width and shooting sequence in the said infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
Be used for launching the unit of high level and low level infrared coding control signal successively according to said carrier frequency according to said each high level of infrared coding control signal and low level level width and shooting sequence.
A kind of learning method of telepilot infrared coding control signal comprises:
The infrared coding control signal that the telepilot that reception will be learnt sends; Obtain the carrier cycle of said infrared coding control signal; And high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
, each the level width value that obtains carries out next step when all being recorded in the mapping table of level width value coded data and level width value index, otherwise the coded data and the level width value index thereof of the level width value that interpolation is not write down in said mapping table;
Confirm each high level or low level level width value corresponding level width value index and encoding in said mapping table; According to each high level and low level appearance order level width value index coded data is combined as level width index coded data string, the byte number that the coded data of each ranking takies is the 3rd setting value;
Carrier cycle is encoded to the carrier cycle coded data, and the byte number that said carrier cycle coded data takies is the 4th setting value;
According to setting said carrier cycle coded data of sequential combination and level width index coded data string, form the coded data of telepilot infrared coding control signal.
Said level width value index comprises group number and numbering, and group number is illustrated in the level width value of learning first in the infrared coding control signal, the sequencing that number-mark level width value is learned in this infrared coding control signal.
A kind of telepilot comprises:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of said infrared coding control signal; And the unit of high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Be used for when each the level width value that obtains all has been recorded in the mapping table of level width value coded data and level width value index, carrying out next step, otherwise in said mapping table, add the coded data of the level width value that is not write down and the unit of level width value index continued next step thereof;
Be used for confirming that each high level or low level level width value are at the corresponding level width value index of said mapping table and encode; According to each high level and low level appearance order level width value index coded data is combined as the unit of level width index coded data string, the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that said carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting said carrier cycle coded data of sequential combination and level width index coded data string.
A kind of launching technique of telepilot infrared coding control signal comprises:
The byte number that takies according to the coded data of putting in order of setting, each ranking; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain carrier cycle coded data and level width index coded data string; Wherein, The index that comprises each high level and low level level width value in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
In said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the mapping table of level width value coded data and level width value index, confirm each high level and low level level width value and shooting sequence in the said infrared coding control signal;
Confirm the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
According to each high level in the said infrared coding control signal and low level level width value and shooting sequence, launch high level and low level infrared coding control signal successively according to said carrier frequency.
A kind of telepilot comprises:
Be used for the byte number that the coded data according to putting in order of setting, each ranking takies; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of carrier cycle coded data and level width index coded data string; Wherein, The index that comprises each high level and low level level width value in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the mapping table of level width value coded data and level width value index, confirm the unit of each high level and low level level width value and shooting sequence in the said infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
Be used for launching the unit of high level and low level signal successively according to said carrier frequency according to said each high level of infrared coding control signal and low level level width value and shooting sequence.
The learning art of the infrared coding control signal that the embodiment of the invention provides; Be utilized as the varying level width and set up index, and index is encoded and stored, the coding of later use index and put in order and confirm level width and order according to putting in order of high-low level; With the outer coding control signal of vat red; Thereby when same level width occurs repeatedly, saved amount of coded data in a large number, thereby saved the storage space of telepilot.
Description of drawings
Fig. 1 is the structural representation of the infrared coding control signal of telepilot emission;
The learning method schematic flow sheet of the telepilot infrared coding control signal that Fig. 2 provides for the embodiment of the invention one;
The launching technique schematic flow sheet of the telepilot infrared coding control signal that Fig. 3 provides for the embodiment of the invention one;
The learning method schematic flow sheet of the telepilot infrared coding control signal that Fig. 4 provides for the embodiment of the invention two;
The launching technique schematic flow sheet of the telepilot infrared coding control signal that Fig. 5 provides for the embodiment of the invention two.
Embodiment
The embodiment of the invention provides a kind of telepilot with learning functionality; Can learn the infrared coding control signal of various telepilots; And according to the outer coding control signal of learning outcome vat red corresponding electric appliance equipment is controlled, below introduce earlier the realization principle of the embodiment of the invention in detail.
As shown in Figure 1, be the structural representation of the infrared coding control signal of telepilot emission, the infrared coding control signal comprises the square-wave signal of being made up of a series of high-low levels, and with the particular carrier wave frequency emission.Wherein the infrared coding control signal can comprise infrared coding control signal and steering signal; Also can include only the infrared coding control signal; The square wave number that is comprised according to the infrared coding control signal and the width of high-low level; Difference Different control function, steering signal are used to notify controlled electric equipment to prepare to accept the infrared coding control signal, and steering signal comprises at least two high level and low level.The infrared coding control signal begins with high level, can finish with high level, also can finish with low level.
The basic skills of study infrared coding control signal is; The width and the shooting sequence of the carrier cycle of the infrared coding control signal that record will be learnt, all high-low levels that comprised; Then when corresponding electric appliance equipment is controlled; According to learning outcome emission and original the same infrared coding control signal, thereby reach control function.
Analyzing infrared coding control signal shown in Figure 1 can find; Wherein level 6 is the same with the width of level 8; Level 7 is the same with the width of level 8; The probability that this situation occurs is very high, utilizes the high level of four kinds of width and the infrared coding control signal that low level is combined to form, even can satisfy the functional requirement of any electric equipment.
Thus; The embodiment of the invention is in the process of study infrared coding control signal; In order to compress the infrared coding learnt reducing storage space, the overall level number that forms with four kinds of width level value is that the infrared coding control signal of n is an example, and the Learning Principle of infrared coding control signal comprises:
I) receive the infrared coding control signal that to learn, detect its carrier cycle, and measure all high level and low level level width value according to the rise and fall edge; And according to the format record of similar following table 1, wherein, according to the maximal value of maximum carrier cycle and level width; The coded data of carrier cycle and each level width value takies 16bit; Because preceding two level possibly be infrared steering signal, the level width might be very big, therefore takies 32bit respectively:
Table 1
Ii) data recorded in the analytical table 1, preceding two level possibly be infrared steering signal, need compile to be the pilot codes data; Other level signals are the level in the infrared coding control signal; A kind of have four kinds of level width values, wherein equal at can thinking of setting range for error, and for example the level of difference about smaller or equal to 50 μ s (microsecond) thinks that all size is identical; Encode according to a kind of form as shown in table 2 below then, form the signal encoding data:
Table 2
Table 2 comprises three partial contents, is specially:
First's content be numbered 0～3; Comprise the level width value coded data string that four kinds of level width value coded datas form; In level width value coded data string; The ranking of each level width value coded data is fixed, and utilizes scale-of-two can four rankings respectively be designated 00,01,10,11;
Need to prove that the bit number that each level width value coded data takies is to set according to the maximum level value in advance, total bit number that level width value coded data string takies also is to set according to maximum level value quantity maximal values that possibly occur.If the level width value is less than four kinds situation, the part volume that then will not take gets final product for invalid data or arbitrary data.
For more than four kinds situation, only need the length of adaptability according to the maximum quantity expansion first of level width value.
Second portion be numbered 4～7, comprise the total number of level, carrier cycle and pilot codes coded data;
Need to prove that the bit number that the total number of level, carrier cycle and pilot codes coded data take respectively also is predefined.
Third part be numbered 8; In this part; Appearance order according to each high-low level in the infrared coding control signal; And the ranking of level width value correspondence in first; The corresponding ranking in first of level width value can be used as the index code of in first's coded data string, confirming the actual level width value, therefore the ranking of the correspondence of all each high-low level width values is encoded and the appearance sequential combination according to high-low level after the serial data that forms can be called level width index coded data string.Like this, each level width index coded data only need take 2bit, and 48 bytes then can be deposited 192 level width value index coded datas, and is enough fully for electric equipment commonly used.
Still need to prove, the bit number that each level width value index coded data takies, and total bit number that level width index coded data string takies also need preestablish.
When according to three partial contents in the predefined storage list 2 in order of putting in order; Then can be according to the setting that puts in order of three partial contents in the later stage; And aforesaid bit number occupancy, can from the coded data of storage, obtain all required data of coding control signal outside the vat red.Putting in order of three partial contents is not to be defined in the form that table 2 provides, can be according to the series arrangement of arbitary convention, and later stage order is according to a preconcerted arrangement resolved coded data and is got final product.
Also need to prove, owing to implied the total number of level in the infrared coding control signal in the level width index coded data string, so the total number of the level in table 1 and the table 2 can not need.
Also need to prove, owing to do not contain steering signal in some infrared coding control signal, so the pilot codes in the second portion neither be necessary.
Embodiment one
Based on above-mentioned concrete example, the learning method of a kind of telepilot infrared coding control signal that the embodiment of the invention one provides is as shown in Figure 2, comprises the steps:
Step 200, be recorded in the level width value of at least two pilot codes that receive successively before the infrared coding control signal respectively;
At least two pilot codes are that high-low level alternately occurs, and wherein first pilot codes is a high level, and last pilot codes is a low level, if there is not steering signal, then this step can be omitted.
The infrared coding control signal that the telepilot that step 201, reception will be learnt sends; Obtain the carrier cycle of infrared coding control signal; And high level and low level appearance order and level width value in the infrared coding control signal, what wherein occur for the first time in the infrared coding control signal is high level;
Step 202, according to the size of all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
Certainly, can also add up all high level and low level total number, and total number is encoded to total number coded data, the byte number that total number coded data takies is the 7th setting value; And in the signal encoding data, comprise total number coded data.
According to said method, a kind of telepilot that the embodiment of the invention one provides comprises:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of said infrared coding control signal; And the unit of high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Be used for size according to all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be the unit of level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
Be used for according to each level width coding alignment sequence of data of said level width coding serial data; Confirm the ranking of each high level or low level level width value correspondence in said level width coding serial data; The ranking of determining is encoded and the unit that sequential combination is a level width index coded data string occurred according to each high level and low level, and the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that said carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting the said level width coding of sequential combination serial data, carrier cycle coded data and level width index coded data string.
As shown in Figure 3, the embodiment of the invention one provides a kind of launching technique of corresponding telepilot infrared coding control signal according to the signal encoding data, comprises the steps:
Concrete:
According to the putting in order in the signal encoding data of first in the table 1, the byte number of each level width coding data occupancy, the total bytes that level width coding serial data takies; Obtain level width coding serial data, and each level width code data;
According to the putting in order in the signal encoding data of second portion in the table 1; The total bytes that byte number that the byte number that the bit number that the coded data of total number of level takies, carrier cycle coded data take, each pilot codes coded data take and pilot codes coded data string take obtains coded data, carrier cycle coded data and each pilot codes coded data of the total number of level respectively.
According to the putting in order in the signal encoding data of third part in the table 1; The byte number that each level width index coded data takies; The total bytes that level width index coded data string takies is confirmed the level width index coded data of the level width of each;
In level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the level width coding serial data, confirm each high level and low level level width and shooting sequence in the infrared coding control signal;
If comprise steering signal in the infra-red code signal, then also need and before control signal, send according to pilot codes coded data reduction steering signal.
Corresponding a kind of telepilot comprises:
Be used for the byte number that the coded data of the byte number according to putting in order of setting, each level width coding data occupancy, total bytes that level width coding serial data takies, each ranking takies; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of level width coding serial data, carrier cycle coded data and level width index coded data string; Wherein, Level width coding serial data comprises a plurality of level width value codings that size is inequality; The coded data that comprises each high level and low level level width value corresponding ranking in level width coding serial data in the infrared coding control signal in the level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the level width coding serial data, confirm the unit of each high level and low level level width and shooting sequence in the infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to the carrier cycle coded data;
Be used for launching the unit of high level and low level signal successively according to carrier frequency according to each high level of infrared coding control signal and low level level width and shooting sequence.
The difference in functionality infrared coding control signal that the telepilot of learning for a quilt sends; Can be the coded data set-up function sign and the corresponding stored of each infrared coding control signal of learning; Follow-up when sending corresponding infrared coding control signal according to Function Identification; From canned data, obtain these Function Identification corresponding codes data, reduction and emission infrared coding control signal.Learn the infrared coding control signal of a plurality of telepilots if desired, then can before Function Identification, add device identification and distinguish.
Embodiment two
Further, can also set up level width value coded data as shown in table 3 below and the mapping table between the index for the telepilot that a quilt is learnt for saving amount of coded data:
Table 3
| Level width value index | Level width value coded data |
| 001 | Level width value coded data 1 |
| 010 | Level width value coded data 2 |
| 011 | Level width value coded data 3 |
| 100 | Level width value coded data 4 |
| 101 | Level width value coded data 5 |
| ...... | ...... |
Unified level width value coded data and the index deposited in mapping table; Do not need in the coded data of each infrared coding control signal, to preserve again level width coding serial data; The bit number that index value in the mapping table takies rule of thumb is worth definite, and the level width value that satisfies maximum quantity gets final product.
Based on this, the learning method of a kind of telepilot infrared coding control signal that the embodiment of the invention two provides is as shown in Figure 4, specifically comprises the steps:
Step 401, receive the infrared coding control signal that the telepilot that will learn sends, obtain the carrier cycle of infrared coding control signal, and high level and low level appearance order and level width value in the infrared coding control signal;
In the infrared coding control signal, high-low level alternately occurs, and what occur for the first time is high level.
Each level width value that step 402, judgement obtain all has been recorded in the mapping table of level width value coded data and level width value index, if then carry out next step 404, otherwise execution in step 403;
Step 403, in mapping table, add the coded data and the level width value index thereof of the level width value do not write down, continue next step 404;
Step 404, confirm each high level or low level level width value corresponding level width value index and encoding in mapping table;
Wherein: the byte number that the coded data of each ranking takies is the 3rd setting value;
Wherein: the byte number that the carrier cycle coded data takies is the 4th setting value;
Further; Before receiving the telepilot infrared coding control signal that to learn; Can also comprise: the level width value that is recorded at least two pilot codes that receive successively before the infrared coding control signal respectively; Wherein at least two pilot codes comprise the high-low level that alternately occurs, and first pilot codes is a high level, and last pilot codes is a low level;
Also comprise before forming the coded data of telepilot infrared coding control signal: the level width value of at least two pilot codes is encoded respectively and is combined into pilot codes coded data string; The byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
In the coded data of outside line telepilot infrared coding control signal, also in the setting ordering, comprise pilot codes coded data string.
Further, when receiving the telepilot infrared coding control signal that to learn, also can also comprise: all high level of accumulative total and low level total number; And
The coded data that forms telepilot infrared coding control signal also comprises before: total number is encoded to total number coded data, and the byte number that total number coded data takies is the 7th setting value; And
In the coded data of outside line telepilot infrared coding control signal, also in the setting ordering, comprise total number coded data.
Corresponding a kind of telepilot comprises:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of infrared coding control signal; And the unit of high level and low level appearance order and level width value in the infrared coding control signal, what wherein occur for the first time in the infrared coding control signal is high level;
Be used for when each the level width value that obtains all has been recorded in the mapping table of level width value coded data and level width value index, carrying out next step, otherwise in mapping table, add the coded data of the level width value that is not write down and the unit of level width value index continued next step thereof;
Be used for confirming that each high level or low level level width value are at the corresponding level width value index of mapping table and encode; According to each high level and low level appearance order level width value index coded data is combined as the unit of level width index coded data string, the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that the carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting sequential combination carrier cycle coded data and level width index coded data string.
According to above-mentioned learning method, the launching technique of a kind of telepilot infrared coding control signal that the embodiment of the invention two provides is as shown in Figure 5, comprises the steps:
Step 501, from the coded data of telepilot infrared coding control signal, obtain carrier cycle coded data and level width index coded data string;
The byte number that specifically takies according to the coded data of putting in order of setting, each ranking; And the byte number that the carrier cycle coded data takies confirms carrier cycle coded data and the position of level width index coded data string in coded data, and the digital coding that acquisition needs from the relevant position.
The index that comprises each high level and low level level width value in the infrared coding control signal in the level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal.
Step 502, confirm each high level and low level level width value and shooting sequence in the infrared coding control signal;
Concrete; According to the level width index coded data in the level width index coded data string; From mapping table, find out the level width value coded data of each high-low level; And, confirm each high level and the low level appearance order in the infrared coding control signal according to the putting in order of level width index coded data in the level width index coded data string.
Step 503, confirm the carrier frequency of emission telepilot infrared coding control signal according to the carrier cycle coded data;
Step 504, according to each high level in the infrared coding control signal and low level level width value and shooting sequence, launch high level and low level signal successively according to carrier frequency.
Further, if also comprise pilot codes coded data string in the coded data, then also the desired location from the coded data of telepilot infrared coding control signal obtains pilot codes coded data string; And before the emission infrared coding control signal, according to the signal of at least two pilot codes of transmit frequency.
Further; If also comprise the coded data of all high level and low level total number in the coded data, then also the desired location from the coded data of telepilot infrared coding control signal obtains the coded data of all high level and low level total number; And when launching high level and low level signal successively according to carrier frequency, the total number corresponding according to total number coded data confirmed high level and low level total number of being launched.
Corresponding a kind of telepilot comprises:
Be used for the byte number that the coded data according to putting in order of setting, each ranking takies; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of carrier cycle coded data and level width index coded data string; Wherein, The index that comprises each high level and low level level width value in the infrared coding control signal in the level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the mapping table of level width value coded data and level width value index, confirm the unit of each high level and low level level width value and shooting sequence in the infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to the carrier cycle coded data;
Be used for launching the unit of high level and low level signal successively according to carrier frequency according to each high level of infrared coding control signal and low level level width value and shooting sequence.
The learning art of the infrared coding control signal that the embodiment of the invention provides; Be utilized as the varying level width and set up index, and index is encoded and stored, the coding of later use index and put in order and confirm level width and order according to putting in order of high-low level; With the outer coding control signal of vat red; Thereby when same level width occurs repeatedly, saved amount of coded data in a large number, thereby saved the storage space of telepilot.
Embodiment three
When needing the infrared coding control signal of different remote of a plurality of equipment of study, further, can also set up level width value coded data as shown in table 4 below and the mapping table between the index for saving amount of coded data:
Table 4
Wherein, level width value index comprises group number and numbering, and group number is illustrated in the level width value of learning first in the infrared coding control signal, the sequencing that number-mark level width value is learned in this infrared coding control signal.Concrete, the group number of the level width value of in first infrared coding control signal, learning is 00, all four level width value serial numbers learning are 00,01,10,11.The follow-up varying level width value sequential organization group number of in other infrared coding control signals, learning; For example in second infrared coding control signal, learn 6 level width values; Wherein four with first infrared coding control signal in the level width value learnt identical, repeated storage no longer, only wherein different two of storage; And respective settings group number 01 and number 00,01, and the like.Be combined as complete level width value index through group number and numbering like this, be used to distinguish each different level width value.
Unified level width value coded data and the index deposited in mapping table; Do not need in the coded data of each infrared coding control signal, to preserve again level width coding serial data; The bit number that index value in the mapping table takies rule of thumb is worth definite, and the level width value that satisfies maximum quantity gets final product.Compare embodiment two, can further save storage space.
The study of infrared coding control signal and step of transmitting can repeat no more referring to the description of embodiment three here.
Embodiment four
Considering that the identical probability of level width value that occurs in the unlike signal of different remote is very high, can be that group is set up level width value coded data as shown in table 5 below and the mapping table between the index with the infrared coding control signal also:
Table 5
Wherein, the one group of level width value numbering for learning in the coding control signal outside Different Red is called level width value index group number, does not have at least one level width value inequality between on the same group a plurality of level width values.Like this in learning process; If the level width value that occurs in the infrared coding control signal that is being learnt by wherein one group all contain; Then can utilize the information that has been recorded in the table 5 to encode, otherwise in table 5, encode again behind one group of new level width value of record.
The coded format example is as shown in table 6 below; In the signal encoding data, increase a level width value index group number coding; Be used for group number in the corresponding level width value coded data of table 5 inquiry; Further according to level width value index coded data string, confirm each high level or low level level width value one by one again.Compare with embodiment four; Although increased level width value index group number coding in the signal encoding data; But the bit number that each level width value index takies can correspondingly reduce, the also corresponding minimizing of total data volume, thus further saved storage space.
Table 6
Be also to comprise in the mapping table; Be the group number that is provided with according to the coded data of the one group of level width value that is write down in the same infrared coding control signal, do not have at least a level width value coded data inequality on the same group a plurality of level width value coded datas; And in the infrared coding control signal coded data, also comprise: the group number coded data that contains all level width value coded data respective sets in the control signal of this infrared coding control signal.
The study of infrared coding control signal and step of transmitting can repeat no more referring to the description of embodiment three here.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment of the invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. the learning method of a telepilot infrared coding control signal is characterized in that, comprising:
The infrared coding control signal that the telepilot that reception will be learnt sends; Obtain the carrier cycle of said infrared coding control signal; And high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Size according to all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
According to each level width coding alignment sequence of data in the said level width coding serial data; Confirm the ranking of each high level or low level level width value correspondence in said level width coding serial data; The ranking of determining is encoded and is level width index coded data string according to each high level and the low level sequential combination that occurs, and the byte number that the coded data of each ranking takies is the 3rd setting value;
Carrier cycle is encoded to the carrier cycle coded data, and the byte number that said carrier cycle coded data takies is the 4th setting value;
According to setting the said level width coding of sequential combination serial data, carrier cycle coded data and level width index coded data string, form the coded data of telepilot infrared coding control signal.
2. the method for claim 1; It is characterized in that; Before the telepilot infrared coding control signal that said reception will be learnt, also comprise: be recorded in the level width value of at least two pilot codes that receive successively before the said infrared coding control signal respectively, wherein said at least two pilot codes comprise the high-low level that alternately occurs; First pilot codes is a high level, and last pilot codes is a low level;
Also comprise before the coded data of said formation telepilot infrared coding control signal: the level width value of at least two pilot codes is encoded respectively and is combined into pilot codes coded data string; The byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said pilot codes coded data string.
3. according to claim 1 or claim 2 method is characterized in that, during telepilot infrared coding control signal that said reception will be learnt, also comprises: all high level of accumulative total and low level total number; And
Also comprise before the coded data of said formation telepilot infrared coding control signal: said total number is encoded to total number coded data, and the byte number that said total number coded data takies is the 7th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said total number coded data.
4. a telepilot is characterized in that, comprising:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of said infrared coding control signal; And the unit of high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Be used for size according to all level width values that obtain; Big or small identical level width value wherein is encoded to level width coding data; And be the unit of level width coding serial data with all level width coding data combinations; The byte number of each level width coding data occupancy is first setting value, and the total bytes that level width coding serial data takies is second setting value;
Be used for according to each level width coding alignment sequence of data of said level width coding serial data; Confirm the ranking of each high level or low level level width value correspondence in said level width coding serial data; The ranking of determining is encoded and the unit that sequential combination is a level width index coded data string occurred according to each high level and low level, and the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that said carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting the said level width coding of sequential combination serial data, carrier cycle coded data and level width index coded data string.
5. the launching technique of a telepilot infrared coding control signal is characterized in that, comprising:
The byte number that takies according to the coded data of the byte number of putting in order of setting, each level width coding data occupancy, total bytes that level width coding serial data takies, each ranking; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain level width coding serial data, carrier cycle coded data and level width index coded data string; Wherein, Said level width coding serial data comprises a plurality of level width value codings that size is inequality; The coded data that comprises each high level and low level level width value corresponding ranking in said level width coding serial data in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
In said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the said level width coding serial data, confirm each high level and low level level width and shooting sequence in the said infrared coding control signal;
Confirm the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
According to each high level in the said infrared coding control signal and low level level width and shooting sequence, launch high level and low level infrared coding control signal successively according to said carrier frequency.
6. method as claimed in claim 5 is characterized in that, also comprises:
Also the desired location from the coded data of telepilot infrared coding control signal obtains pilot codes coded data string; The level width value coded data that comprises at least two pilot codes of launching successively before the said infrared coding control signal in the said pilot codes coded data string; Wherein said at least two pilot codes comprise the high-low level that alternately occurs; First pilot codes is a high level; Last pilot codes is a low level, and the byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
Said according to each high level in the said infrared coding control signal and low level level width and shooting sequence; Launch successively before high level and the low level infrared coding control signal according to said carrier frequency; Also comprise: the level width value coded data according to the pilot codes in the said pilot codes coded data string puts in order, according to the signal of said at least two pilot codes of said transmit frequency.
7. like claim 5 or 6 described methods, it is characterized in that, also comprise:
Also the desired location from the coded data of telepilot infrared coding control signal obtains the coded data of all high level and low level total number; And
When launching high level and low level infrared coding control signal successively,, confirm high level and low level total number of being launched according to the corresponding total number of said total number coded data according to said carrier frequency.
8. a telepilot is characterized in that, comprising:
Be used for the byte number that the coded data of the byte number according to putting in order of setting, each level width coding data occupancy, total bytes that level width coding serial data takies, each ranking takies; And the byte number that takies of said carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of level width coding serial data, carrier cycle coded data and level width index coded data string; Wherein, Said level width coding serial data comprises a plurality of level width value codings that size is inequality; The coded data that comprises each high level and low level level width value corresponding ranking in said level width coding serial data in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the level width coding data in the corresponding ranking in the said level width coding serial data, confirm the unit of each high level and low level level width and shooting sequence in the said infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
Be used for launching the unit of high level and low level infrared coding control signal successively according to said carrier frequency according to said each high level of infrared coding control signal and low level level width and shooting sequence.
9. the learning method of a telepilot infrared coding control signal is characterized in that, comprising:
The infrared coding control signal that the telepilot that reception will be learnt sends; Obtain the carrier cycle of said infrared coding control signal; And high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
, each the level width value that obtains carries out next step when all being recorded in the mapping table of level width value coded data and level width value index, otherwise the coded data and the level width value index thereof of the level width value that interpolation is not write down in said mapping table;
Confirm each high level or low level level width value corresponding level width value index and encoding in said mapping table; According to each high level and low level appearance order level width value index coded data is combined as level width index coded data string, the byte number that the coded data of each ranking takies is the 3rd setting value;
Carrier cycle is encoded to the carrier cycle coded data, and the byte number that said carrier cycle coded data takies is the 4th setting value;
According to setting said carrier cycle coded data of sequential combination and level width index coded data string, form the coded data of telepilot infrared coding control signal.
10. method as claimed in claim 9; It is characterized in that; Before the telepilot infrared coding control signal that said reception will be learnt, also comprise: be recorded in the level width value of at least two pilot codes that receive successively before the said infrared coding control signal respectively, wherein said at least two pilot codes comprise the high-low level that alternately occurs; First pilot codes is a high level, and last pilot codes is a low level;
Also comprise before the coded data of said formation telepilot infrared coding control signal: the level width value of at least two pilot codes is encoded respectively and is combined into pilot codes coded data string; The byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said pilot codes coded data string.
11. like claim 9 or 10 described methods, it is characterized in that, during telepilot infrared coding control signal that said reception will be learnt, also comprise: all high level of accumulative total and low level total number; And
Also comprise before the coded data of said formation telepilot infrared coding control signal: said total number is encoded to total number coded data, and the byte number that said total number coded data takies is the 7th setting value; And
In the coded data of said telepilot infrared coding control signal, also in the setting ordering, comprise said total number coded data.
12. like claim 9 or 10 described methods; It is characterized in that; Also comprise in the said mapping table; Be the group number that is provided with according to the coded data of the one group of level width value that is write down in the same infrared coding control signal, do not have at least a level width value coded data inequality on the same group a plurality of level width value coded datas; And
In the described infrared coding control signal coded data, also comprise: the group number coded data that contains all level width value coded data respective sets in the control signal of this infrared coding control signal.
13. like claim 9 or 10 described methods; It is characterized in that; Said level width value index comprises group number and numbering; Group number is illustrated in the level width value of learning first in the infrared coding control signal, the sequencing that number-mark level width value is learned in this infrared coding control signal.
14. a telepilot is characterized in that, comprising:
Be used to receive the infrared coding control signal that the telepilot that will learn sends; Obtain the carrier cycle of said infrared coding control signal; And the unit of high level and low level appearance order and level width value in the said infrared coding control signal, what occur for the first time in the wherein said infrared coding control signal is high level;
Be used for when each the level width value that obtains all has been recorded in the mapping table of level width value coded data and level width value index, carrying out next step, otherwise in said mapping table, add the coded data of the level width value that is not write down and the unit of level width value index continued next step thereof;
Be used for confirming that each high level or low level level width value are at the corresponding level width value index of said mapping table and encode; According to each high level and low level appearance order level width value index coded data is combined as the unit of level width index coded data string, the byte number that the coded data of each ranking takies is the 3rd setting value;
Be used for carrier cycle is encoded to the unit of carrier cycle coded data, the byte number that said carrier cycle coded data takies is the 4th setting value;
Be used for forming the unit of the coded data of telepilot infrared coding control signal according to setting said carrier cycle coded data of sequential combination and level width index coded data string.
15. the launching technique of a telepilot infrared coding control signal is characterized in that, comprising:
The byte number that takies according to the coded data of putting in order of setting, each ranking; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain carrier cycle coded data and level width index coded data string; Wherein, The index that comprises each high level and low level level width value in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
In said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the mapping table of level width value coded data and level width value index, confirm each high level and low level level width value and shooting sequence in the said infrared coding control signal;
Confirm the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
According to each high level in the said infrared coding control signal and low level level width value and shooting sequence, launch high level and low level infrared coding control signal successively according to said carrier frequency.
16. method as claimed in claim 15 is characterized in that, also comprises:
Also the desired location from the coded data of telepilot infrared coding control signal obtains pilot codes coded data string; The level width value coded data that comprises at least two pilot codes of launching successively before the said infrared coding control signal in the said pilot codes coded data string; Wherein said at least two pilot codes comprise the high-low level that alternately occurs; First pilot codes is a high level; Last pilot codes is a low level, and the byte number that each pilot codes coded data takies is the 5th setting value, and the total bytes that pilot codes coded data string takies is the 6th setting value; And
Said according to each high level in the said infrared coding control signal and low level level width and shooting sequence; Launch successively before high level and the low level signal according to said carrier frequency; Also comprise: the level width value coded data according to the pilot codes in the said pilot codes coded data string puts in order, according to the infrared coding control signal of said at least two pilot codes of said transmit frequency.
17. like claim 15 or 16 described methods, it is characterized in that, also comprise:
Also the desired location from the coded data of telepilot infrared coding control signal obtains the coded data of all high level and low level total number; And
When launching high level and low level signal successively,, confirm high level and low level total number of being launched according to the corresponding total number of said total number coded data according to said carrier frequency.
18. a telepilot is characterized in that, comprising:
Be used for the byte number that the coded data according to putting in order of setting, each ranking takies; And the byte number that takies of carrier cycle coded data; From the coded data of telepilot infrared coding control signal, obtain the unit of carrier cycle coded data and level width index coded data string; Wherein, The index that comprises each high level and low level level width value in the infrared coding control signal in the said level width index coded data string, and according to each high level and the appearance series arrangement of low level in the infrared coding control signal;
Be used for according to said level width index coded data string; According to each high level and the tactic level width of the appearance of low level in infrared coding control signal index coded data; And the mapping table of level width value coded data and level width value index, confirm the unit of each high level and low level level width value and shooting sequence in the said infrared coding control signal;
Be used for confirming the unit of the carrier frequency of emission telepilot infrared coding control signal according to said carrier cycle coded data;
Be used for launching the unit of high level and low level infrared coding control signal successively according to said carrier frequency according to said each high level of infrared coding control signal and low level level width value and shooting sequence.
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| CN102693623B (en) * | 2012-05-09 | 2014-09-24 | 福兴达科技实业（深圳）有限公司 | Method and device for realizing infrared remote control based on Android system |
| CN102790621B (en) * | 2012-06-08 | 2015-06-24 | 深圳市创荣发电子有限公司 | Infrared data processing storage method and infrared remote-control unit |
| CN104422920B (en) * | 2013-09-06 | 2017-05-24 | 联想(北京)有限公司 | Terminal equipment and signal modulating method thereof |
| US9575590B2 (en) | 2012-11-27 | 2017-02-21 | Beijing Lenovo Software Ltd | Input method and input apparatus |
| CN105894792A (en) * | 2014-12-02 | 2016-08-24 | 无锡比益特科技有限公司 | Studying and encoding method for efficient infrared remote control |
| CN105070035B (en) * | 2015-08-25 | 2018-05-04 | 无锡力芯微电子股份有限公司 | The real-time compression method and device of infrared remote control code stream |
| CN105225464A (en) * | 2015-09-28 | 2016-01-06 | 青岛海尔智能家电科技有限公司 | A kind of infrared code adaptation method of remote control and device |
| CN107393291A (en) * | 2017-07-07 | 2017-11-24 | 青岛酷控网络科技有限公司 | A kind of compression of red outer code data and decompression method |
| CN107564266B (en) * | 2017-08-25 | 2021-05-14 | 广东美的制冷设备有限公司 | Remote controller code learning method and remote controller learning device |
| CN107610445B (en) * | 2017-10-12 | 2020-05-05 | 长沙蒲公英智能科技有限公司 | Infrared self-learning data coding method and circuit thereof |
| CN107945477A (en) * | 2017-11-10 | 2018-04-20 | 深圳睿舍智能科技有限公司 | The method and device that infrared or wireless remote control signals data are compressed |
| CN108182795B (en) * | 2018-01-11 | 2020-08-14 | 鹤壁天海电子信息系统有限公司 | Infrared data learning method and device and electronic equipment |
| WO2019136658A1 (en) * | 2018-01-11 | 2019-07-18 | 鹤壁天海电子信息系统有限公司 | Infrared data learning method, device, and electronic apparatus |
| CN109872522B (en) * | 2019-03-25 | 2021-01-01 | 河北棣烨信息技术有限公司 | Algorithm for decompressing infrared code based on sample index |
| CN110992672B (en) * | 2019-09-25 | 2021-06-29 | 广州广日电气设备有限公司 | Infrared remote controller learning and encoding method, infrared remote controller system and storage medium |
| CN110969832A (en) * | 2019-10-25 | 2020-04-07 | 智恒科技股份有限公司 | Infrared code decoding method |
| CN111968361B (en) * | 2020-08-31 | 2022-04-19 | 成都埃克思智创科技有限公司 | Infrared repeated code learning method and infrared remote control system applied to Internet of things |
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