CN110930684A - Infrared control method and system supporting multiple coding formats - Google Patents
Infrared control method and system supporting multiple coding formats Download PDFInfo
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Abstract
The application discloses an infrared control method and system supporting multiple coding formats, wherein the method comprises the following steps: acquiring infrared on-off time data sent by infrared remote control equipment; storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data; and sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled. Compared with the prior art, the infrared control method provided by the application does not adopt an NEC or RC series coding format, and all infrared data are based on the time codes of the on-off time of the infrared signals: a group of even-numbered arrays, the value with the odd-numbered array serial number represents the time of the infrared lamp, the value with the even-numbered array serial number represents the time of the infrared lamp, the time code is used as the infrared data storage format, and the encoding and decoding functions are not required to be realized.
Description
Technical Field
The application relates to the field of infrared control, in particular to an infrared control method and system supporting multiple coding formats.
Background
When developing an infrared-based function, the existing embedded intelligent device needs to perform a data encoding, transmitting, decoding and receiving function based on an infrared encoding format. The mainstream encoding formats at present are manchester encoding such as RC series encoding, and inescapable NEC encoding necessary for time delay encoding. Meanwhile, according to different hardware platforms, hardware of GPIO or PWM may be used as a hardware channel for connecting an infrared transmitter/receiver and a CPU, and then coding and decoding of RC series codes and coding and decoding of NEC codes are realized on the two hardware channels, the hardware characteristics of the two hardware channels are different, the PWM is based on square waves, the GPIO is based on interruption, so that development cost is high when coding and decoding are realized, and interfaces of the two hardware on LINUX which are applied to the outside are completely different, so that cross-platform transplantation is difficult when the infrared function is applied and developed.
Disclosure of Invention
The main objective of the present application is to provide an infrared control method supporting multiple coding formats, including:
acquiring infrared on-off time data sent by infrared remote control equipment;
storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
and sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
Optionally, sending a control instruction corresponding to the execution action containing the infrared on-off time data to the device to be controlled:
when the control instruction has the infrared on-off time data corresponding to the control instruction, entering the next step;
when the control command does not have the infrared on-off time data corresponding to the control command, repeating all the steps to obtain the infrared on-off time data corresponding to the control command again.
Optionally, the infrared light on-off time data is a set of arrays including a plurality of digits, wherein at least some digits represent the infrared light on-off time, and at least some digits of the rest of digits represent the infrared light off-time.
Optionally, the number of the digit groups is even, wherein the digit with the odd number represents the on time of the infrared lamp, and the digit with the even number represents the off time of the infrared lamp.
Optionally, the control instruction is stored in the cloud server.
According to another aspect of the present application, there is also provided an infrared control system supporting multiple encoding formats, including:
the on-off time data acquisition module is used for acquiring infrared on-off time data sent by the infrared remote control equipment;
the storage module is used for storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
and the control instruction sending module is used for sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
The application also discloses a computer device, which comprises a memory, a processor and a computer program stored in the memory and capable of being executed by the processor, wherein the processor realizes the method of any one of the above items when executing the computer program.
The application also discloses a computer-readable storage medium, a non-volatile readable storage medium, having stored therein a computer program which, when executed by a processor, implements the method of any of the above.
The present application also discloses a computer program product comprising computer readable code which, when executed by a computer device, causes the computer device to perform the method of any of the above.
Compared with the prior art, the method has the following advantages:
1. instead of using NEC or RC series encoding formats, all infrared data are based on the time code of the on-off time of the infrared signal: a group of even-numbered arrays, the value with the odd-numbered array serial number represents the time of the infrared lamp, the value with the even-numbered array serial number represents the time of the infrared lamp, the time code is used as the infrared data storage format, and the encoding and decoding functions are not required to be realized.
2. Providing a unified infrared functional interface, and uniformly adopting the time code based on the infrared signal on-off signal as a parameter: the device comprises an infrared signal sending interface, an infrared signal receiving interface and an infrared signal learning interface.
3. And the infrared time code is transmitted and received on the PWM and GPIO hardware by the internal implementation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic flow diagram of an infrared control method supporting multiple encoding formats according to one embodiment of the present application;
FIG. 2 is a schematic diagram of a computer device according to one embodiment of the present application; and
FIG. 3 is a schematic diagram of a computer-readable storage medium according to one embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, an embodiment of the present application provides an infrared control method supporting multiple encoding formats, including:
s2: acquiring infrared on-off time data sent by infrared remote control equipment;
s4: storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
s6: and sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
Take remote control of the remote control as an example. When in use, the remote control 1 sends a turn-off control command containing a control code to the television 1 via an infrared lamp. At this point, the television captures the signal simultaneously with the remote control device in the method. What the television captures is instead the control instructions itself. And the remote control device captures the turning on and off of the infrared lamp. Therefore, the remote control device records the on-off time of the infrared lamp, records the on-off time, records the closing action of the television, and simultaneously corresponds the on-off time and the closing action on the remote control device through hardware (for example, the key 1 corresponds to the remote controller 1 for closing the remote controller 1, and the key 2 corresponds to the remote controller 1 for increasing the volume of the remote controller 1 for remotely controlling the television 1). The on-off time of the infrared ray has a unique corresponding relation with the control instruction contained in the infrared ray. When the television 1 needs to be controlled to be turned off and the volume needs to be increased, only the key 1 and the key 2 need to be pressed. Similarly, when the television 2 is controlled by the remote control 2, the keys 3 and 4 on the remote control device are used to correspond. Therefore, one remote control device can be used, and when the specific coding modes of televisions with different coding and decoding types or other devices to be controlled do not need to be known, the remote control functions of all the devices to be controlled can be integrated in one remote control device only by the on-off time of the infrared lamp.
In an embodiment of the present application, a control instruction corresponding to the execution action including the infrared on-off time data is sent to the device to be controlled:
when the control instruction has the infrared on-off time data corresponding to the control instruction, entering the next step;
when the control command does not have the infrared on-off time data corresponding to the control command, repeating all the steps to obtain the infrared on-off time data corresponding to the control command again.
For example, when the user wants to control the volume of the television 3, the user presses a certain key (e.g., key 9) on the control device. At this time, the control device will search the stored database for the infrared on/off time data corresponding to the key 9 and the corresponding execution action. When the searched result is: when the infrared on-off time data corresponding to the key 9 and the corresponding execution action are to control the volume of the television 3, the control instruction is directly sent to the television 3. However, when the infrared on/off time data and the corresponding execution action corresponding to the key 9 do not control the volume of the tv 3 (there may be two cases, one is that the key 9 does not correspond to any infrared on/off time data and execution action, and the other is that the corresponding infrared on/off time data and execution action are for remote controlling another tv or another function of the same tv), the user repeats the first step of obtaining the corresponding infrared on/off time data and execution action using the remote controller 3 for controlling the tv 3 and recording the action in the key 9.
In an embodiment of the present application, the infrared light on/off time data is a set of arrays having a plurality of digits, wherein at least some digits represent the infrared light on time, and at least some digits of the remaining digits represent the infrared light off time. In this embodiment, the number of the array is even (but not limited thereto, and those skilled in the art can use any data combination method according to the actual situation), wherein the number with odd number represents the on time of the infrared lamp, and the number with even number represents the off time of the infrared lamp.
In an embodiment of the application, the control instruction is stored in a cloud server. The control equipment needs corresponding infrared on-off time data in the cloud server. Thus, it is not necessary for each individual control device to learn the infrared light-on/off time data of all the devices to be controlled. It is only necessary that the sum stored by the plurality of control devices can cover all the devices to be controlled.
According to another aspect of the present application, there is also provided an infrared control system supporting multiple encoding formats, including:
the on-off time data acquisition module is used for acquiring infrared on-off time data sent by the infrared remote control equipment;
the storage module is used for storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
and the control instruction sending module is used for sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
Compared with the prior art, the method has the following advantages:
1. instead of using NEC or RC series encoding formats, all infrared data are based on the time code of the on-off time of the infrared signal: a group of even-numbered arrays, the value with the odd-numbered array serial number represents the time of the infrared lamp, the value with the even-numbered array serial number represents the time of the infrared lamp, the time code is used as the infrared data storage format, and the encoding and decoding functions are not required to be realized.
2. Providing a unified infrared functional interface, and uniformly adopting the time code based on the infrared signal on-off signal as a parameter: the device comprises an infrared signal sending interface, an infrared signal receiving interface and an infrared signal learning interface.
3. And the infrared time code is transmitted and received on the PWM and GPIO hardware by the internal implementation.
Referring to fig. 2, the present application further provides a computer device including a memory, a processor, and a computer program stored in the memory and executable by the processor, wherein the processor implements the method of any one of the above methods when executing the computer program.
Referring to fig. 3, a computer-readable storage medium, a non-volatile readable storage medium, having stored therein a computer program which, when executed by a processor, implements any of the methods described above.
A computer program product comprising computer readable code which, when executed by a computer device, causes the computer device to perform the method of any of the above.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may alternatively be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, or fabricated separately as individual integrated circuit modules, or fabricated as a single integrated circuit module from multiple modules or steps. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. An infrared control method supporting multiple coding formats, comprising:
acquiring infrared on-off time data sent by infrared remote control equipment;
storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
and sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
2. The infrared control method supporting multiple coding formats according to claim 1, wherein a control command corresponding to the execution action containing the infrared on-off time data is sent to the device to be controlled:
when the control instruction has the infrared on-off time data corresponding to the control instruction, entering the next step;
when the control command does not have the infrared on-off time data corresponding to the control command, repeating all the steps to obtain the infrared on-off time data corresponding to the control command again.
3. The infrared control method supporting multiple encoding formats as claimed in claim 2, wherein the infrared on/off time data is a set of array comprising a plurality of digits, wherein at least some digits represent the infrared lamp on time, and at least some digits of the remaining digits represent the infrared lamp off time.
4. The infrared control method supporting multiple encoding formats as claimed in claim 3, wherein the number of the digits of the array is an even number, wherein the digits with odd numerical values represent the on-time of the infrared lamps, and the digits with even numerical values represent the off-time of the infrared lamps.
5. The infrared control method supporting multiple encoding formats according to claim 3, wherein the control instruction is stored in a cloud server.
6. An infrared control system supporting multiple encoding formats, comprising:
the on-off time data acquisition module is used for acquiring infrared on-off time data sent by the infrared remote control equipment;
the storage module is used for storing the infrared on-off time data and the execution action of the equipment to be controlled corresponding to the infrared on-off time data;
and the control instruction sending module is used for sending a control instruction corresponding to the execution action containing the infrared on-off time data to the equipment to be controlled.
7. A computer device comprising a memory, a processor and a computer program stored in the memory and executable by the processor, wherein the processor implements the method of any one of claims 1-5 when executing the computer program.
8. A computer-readable storage medium, a non-transitory readable storage medium, having stored therein a computer program, characterized in that the computer program, when executed by a processor, implements the method according to any one of claims 1-5.
9. A computer program product comprising computer readable code that, when executed by a computer device, causes the computer device to perform the method of any of claims 1-5.
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Application publication date: 20200327 |