Intelligent home control system
A smart home control and control system technology, applied in the direction of signal transmission system, distribution line transmission system, non-electrical signal transmission system, etc., can solve problems such as insufficient overall application design
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Embodiment 1
[0201] Based on the above specific examples, a method for learning an infrared coded signal of a remote controller provided in Embodiment 1 includes the following steps:
[0202] Step 1, respectively recording the level width values of at least two pilot codes received sequentially before the infrared coded control signal;
[0203] The high and low levels of at least two pilot codes appear alternately, wherein the first pilot code is high level, and the last pilot code is low level. If there is no pilot signal, this step can be omitted.
[0204] Step 2. Receive the infrared coded control signal sent by the remote controller to be learned, and obtain the carrier period of the infrared coded control signal, as well as the sequence of occurrence of high level and low level in the infrared coded control signal and the level width value, wherein the infrared coded control signal The first time in the middle is a high level;
[0205] Step 3. According to the size of all the obtai...
Embodiment 2
[0223] In order to further save the amount of encoded data, it is also possible to establish a correspondence table between level width value encoded data and indexes as shown in Table 3 below for a learned remote controller:
[0224] table 3.
[0225] level width value index
Level Width Value Encoded Data
001
Level width value encoded data 1
010
Level width value encoded data 2
011
Level width value encoded data 3
100
Level width value encoded data 4
101
Level width value encoded data 5
......
......
[0226] In the corresponding relationship table, the encoded data and index of the level width value are uniformly stored, and there is no need to store the level width code data string in the encoded data of each infrared encoded signal. The number of bits occupied by the index value in the corresponding relationship table is based on experience The value is determined, as long a...
Embodiment 3
[0255] When it is necessary to learn the infrared coded signals of different remote controllers of multiple devices, in order to further save the amount of coded data, you can also establish the correspondence table between the level width value coded data and the index as shown in Table 4 below:
[0256] Table 4.
[0257]
[0258]
[0259] Wherein, the level width value index includes a group number and a serial number, the group number represents the level width value learned for the first time in an infrared coded signal, and the number identifies the order in which the level width values are learned in the infrared coded signal. Specifically, the group number of the level width values learned in the first infrared coded signal is 00, and the sequence numbers of all four learned level width values are 00, 01, 10, and 11. Subsequent to the different level width values learned in other infrared coded signals, the group numbers are sequentially compiled. For ex...
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