CN104517437A - Remote controller and remote control method thereof - Google Patents
Remote controller and remote control method thereof Download PDFInfo
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- CN104517437A CN104517437A CN201510005299.4A CN201510005299A CN104517437A CN 104517437 A CN104517437 A CN 104517437A CN 201510005299 A CN201510005299 A CN 201510005299A CN 104517437 A CN104517437 A CN 104517437A
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- infrared
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- 230000005540 biological transmission Effects 0.000 claims abstract description 59
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- 238000004891 communication Methods 0.000 claims description 21
- 230000000875 corresponding Effects 0.000 claims description 18
- 230000001702 transmitter Effects 0.000 abstract description 4
- 281000105178 Philips companies 0.000 description 3
- 230000000295 complement Effects 0.000 description 3
- 238000005516 engineering processes Methods 0.000 description 3
- 238000000034 methods Methods 0.000 description 2
- 239000000203 mixtures Substances 0.000 description 2
- 281000067304 RECS-80 companies 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
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Abstract
Description
Technical field
The present invention relates to wireless communication technique field, particularly a kind of telepilot and remote control thereof thereof.
Background technology
Along with the development of science and technology, the requirement of people to life also improves constantly.The appearance of telepilot, meets this requirement of people to a certain extent.Infrared remote control is a kind of remote control technology that 20 century 70s just start to grow up, its principle utilizes infrared ray to carry out transfer control signal, realize the far distance controlled to control object, specifically, be exactly that transmitter sends infrared ray command signal, received by receiver and signal is processed, finally realizing the Long-distance Control of the various functions to control object.
General telepilot adopts special logic coder and decoder ic to control infrared emission, and its advantage is that structure is simple, but telepilot need support the use with control object, poor universality.
Summary of the invention
Embodiments provide a kind of telepilot, without the need to supporting the use with control object, versatility is good, comprising:
Telecommand transmitting apparatus, ARM chip, FLASH memory, single-chip microcomputer and infrared emission head;
Described telecommand transmitting apparatus, for being sent in ARM chip by telecommand;
Described ARM chip, for receiving the telecommand that described telecommand transmitting apparatus sends, and in FLASH memory, search the infrared remote control key assignments corresponding with telecommand, Infrared Transmission protocol type and carrier frequency, the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency are sent to single-chip microcomputer;
Described single-chip microcomputer, for receiving the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency that described ARM chip sends, and controls infrared emission head according to the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency;
Described infrared emission head, sends infrared signal for the control according to single-chip microcomputer.
In one embodiment, described telecommand transmitting apparatus comprises wireless communication module, for telecommand being sent in ARM chip by communication.
In one embodiment, this telepilot also comprises wireless communication module, for the telecommand being made ARM chip receive the transmission of described telecommand transmitting apparatus by communication.
In one embodiment, comprise the coded program for controlling infrared emission head according to the infrared remote control key assignments, Infrared Transmission protocol type and the carrier frequency that find in described single-chip microcomputer, described coded program comprises at least one infrared remote coding program.
In one embodiment, described single-chip microcomputer specifically for: search infrared remote coding program corresponding with carrier frequency with the Infrared Transmission protocol type found of reception in single-chip microcomputer, by infrared remote control key assignments and corresponding infrared remote coding programmed control infrared emission head.
Embodiments provide a kind of remote control thereof of telepilot, without the need to supporting the use with control object, versatility is good, comprising:
Telecommand is sent in ARM chip by telecommand transmitting apparatus;
ARM chip receives the telecommand that described telecommand transmitting apparatus sends, and in FLASH memory, search the infrared remote control key assignments corresponding with telecommand, Infrared Transmission protocol type and carrier frequency, the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency are sent to single-chip microcomputer;
Single-chip microcomputer receives the infrared remote control key assignments found, Infrared Transmission protocol type and the carrier frequency that described ARM chip sends, and controls infrared emission head according to the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency;
Infrared emission head sends infrared signal according to the control of single-chip microcomputer.
In one embodiment, described telecommand transmitting apparatus comprises wireless communication module, for telecommand being sent in ARM chip by communication.
In one embodiment, this telepilot also comprises wireless communication module, for the telecommand being made ARM chip receive the transmission of described telecommand transmitting apparatus by communication.
In one embodiment, comprise the coded program for controlling infrared emission head according to the infrared remote control key assignments, Infrared Transmission protocol type and the carrier frequency that find in described single-chip microcomputer, described coded program comprises at least one infrared remote coding program.
In one embodiment, described single-chip microcomputer controls infrared emission head according to the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency, comprising:
According to the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency that the described ARM chip received sends, search infrared remote coding program corresponding with carrier frequency to the Infrared Transmission protocol type found received in single-chip microcomputer, by infrared remote control key assignments and corresponding infrared remote coding programmed control infrared emission head.
In the embodiment of the present invention, adopt ARM chip and single-chip microcomputer to combine and control to send infrared signal, without the need to supporting the use with control object, versatility is good.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the structural drawing of a kind of telepilot that the embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of concrete telepilot that the embodiment of the present invention provides;
Fig. 3 is the internal circuit schematic diagram of a kind of telepilot that the embodiment of the present invention provides;
Fig. 4 is a frame infrared data of a kind of NEC infrared protocol that the embodiment of the present invention provides;
Fig. 5 is a kind of NEC data that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and illustrating for explaining the present invention, but not as a limitation of the invention.
Inventor finds, existing telepilot adopts special logic coder and decoder ic to control infrared emission, and its advantage is that structure is simple, but it need support the use with control object, poor universality.And if adopt ARM (AdvancedRISC (Reduced Instruction Set Computing) Machines, Advanced Reduced Instruction Set microprocessor) and single-chip microcomputer combine control send infrared signal, the problems referred to above of prior art can be solved.Based on this, the present invention proposes a kind of telepilot.
Fig. 1 is the structural drawing of a kind of telepilot that the embodiment of the present invention provides, and as shown in Figure 1, this telepilot comprises: telecommand transmitting apparatus, ARM chip, FLASH memory, single-chip microcomputer and infrared emission head.
Telecommand transmitting apparatus, for being sent in ARM chip by telecommand;
ARM chip, for receiving the telecommand that telecommand transmitting apparatus sends, and in FLASH memory, search the infrared remote control key assignments corresponding with telecommand, Infrared Transmission protocol type and carrier frequency, the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency are sent to single-chip microcomputer;
Single-chip microcomputer, for receiving the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency that ARM chip sends, and controls infrared emission head according to the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency;
Infrared emission head, sends infrared signal for the control according to single-chip microcomputer.
During concrete enforcement, telecommand input equipment can be smart mobile phone or panel computer.Operating system call android2.3 in telecommand input equipment or more version, can set up applications.Telecommand transmitting apparatus has radio network functions, namely comprises wireless communication module, for telecommand being sent in ARM chip by communication.Open the application program (the android application software of independent research) on telecommand input equipment (i.e. smart mobile phone or panel computer), ejection operation interface selectable selects remotely-controlled object (TV, air-conditioning etc.), clicks application operating button and can send telecommand (as teleswitch value).
Different Infrared Transmission agreements followed by different telepilots, and conventional infrared signal host-host protocol has ITT agreement, NEC agreement, Nokia NRC agreement, Sharp agreement, Philips RC-5 agreement, Philips RC-6 agreement, Philips RECS-80 agreement, and Sony SIRC agreement etc., in embodiments of the present invention, the infrared remote coding program weaved into by above-mentioned multiple infrared remote-controlled signal host-host protocol at single-chip microcomputer inside solidification, wherein, multiple infrared remote coding program is become a total program by editor, multiple infrared remote coding program performs successively, can communicate mutually with multiple infrared ray electrical equipment in use.
Multiple infrared remote coding program is cured in ROM or EPROM in single-chip microcomputer, and after powering on to single-chip microcomputer, namely total program starts to perform.When the infrared remote control key assignments found, Infrared Transmission protocol type and carrier frequency that single-chip microcomputer reception ARM chip sends, first need to judge that the Infrared Transmission protocol type that ARM chip finds is any Infrared Transmission protocol type, when total program carries out corresponding infrared remote coding program, total program is stopped to perform, by the infrared remote coding programmed control infrared emission head found.In addition, privately owned infrared remote coding program (coded program according to artificial certain specific Infrared Transmission agreement arranged produces) can also be solidified in the single-chip microcomputer inside in the embodiment of the present invention, and the data realizing privately owned infrared transmission agreement send.
Fig. 2 is the structural representation of a kind of concrete telepilot that the embodiment of the present invention provides; Wherein, telecommand input equipment is set as smart mobile phone.ARM chip and FLASH memory are all present on ARM development board, and ARM development board also comprises a wireless communication module, for the telecommand being made ARM chip receive smart mobile phone transmission by communication.ARM development board also comprises some peripheral relevant component circuit etc.The model of the ARM chip on ARM development board is HI3716V100.Smart mobile phone is all connected with wireless router with ARM development board, and both transmit data by WIFI.Wireless router uses common router on the market, has WIFI function.ARM development board is connected by Serial Port Line with single-chip microcomputer, wherein, output pin (the P5 of ARM chip, P6) with the input pin (P6 of single-chip microcomputer, P5) be connected, single-chip microcomputer output pin (P7) is connected by wire with infrared emission head, and infrared emission head aims at the object that will control, as shown in Figure 3.
During concrete enforcement, telecommand is sent in the ARM chip of ARM development board by smart mobile phone, after powering on to ARM chip, ARM chip receives the telecommand that smart mobile phone transmits, and in FLASH memory, search the infrared remote control key assignments corresponding with telecommand, Infrared Transmission protocol type and carrier frequency, by output pin (P5, P6) the infrared remote control key assignments will found, Infrared Transmission protocol type and carrier frequency are sent to single-chip microcomputer, single-chip microcomputer is by input pin (P6, P5) the infrared remote control key assignments found is received, Infrared Transmission protocol type and carrier frequency, the Infrared Transmission protocol type that single-chip microcomputer finds according to the ARM chip received and carrier frequency, corresponding infrared remote coding program is found in single-chip microcomputer internal processes, then by output pin (P7), corresponding for infrared remote control key assignments infrared remote coding program is outputted to infrared emission head, control infrared emission head and launch infrared signal.
As shown in Figure 3, single-chip microcomputer output pin P7 is directly connected with infrared emission, just can be controlled the transmission of infrared data by the low and high level of software program control single chip computer output pin.Telepilot sends infrared signal by the infrared protocol form used separately, here for NEC infrared protocol,
As shown in Figure 4, the frame data for NEC infrared protocol: data send form and are, preamble code high level 9ms, low level 4.5ms; Least-significant byte is subscriber-coded, and most-significant byte is subscriber-coded, 8 key data codes, the radix-minus-one complement of 8 key data codes, totally 32.As shown in Figure 5, the combination being 1.125ms with high level 0.56ms, low level 0.56ms, cycle represents binary " 0 " in the transmission of the radix-minus-one complement of subscriber-coded, key data code and key data code; The combination being 2.25ms with high level 0.56ms, low level 1.685ms, cycle represents binary " 1 ".When high level output, indicate lasting pulse signal, when for low level, represent without any data.
When sending data, P7 pin sets high level, continues P7 pin to be set low level after 9ms, according to the transmission form of binary zero " 1 " after 4.5ms, sends the binary numeral of the radix-minus-one complement of subscriber-coded, key data code and key data code successively.
When single-chip microcomputer output pin is high level, the infrared waveform of output is one section of continuous print pulse signal, and single-chip microcomputer, by the pulsewidth of software control pulse signal, changes the frequency sending infrared signal.Pulsewidth computing formula is: pulsewidth W=T*P (T: cycle, P: dutycycle).T=1/ carrier frequency, namely 38kHz dutycycle is carrier wave infrared transmission t=interval time (1/38) the * 1/2kHz ≈ 13us of 1/2.
For example, operate TV: click smart mobile phone application software, select " TV → button 1 ", after ARM development board receives information " TV → button 1 ", from the information such as infrared remote control key assignments, infrared protocol type, carrier wave that FLASH memory internal searching is corresponding with TV remote controller, " the infrared remote control key assignments of NEC agreement+38kHz carrier wave+television key 1 correspondence " information is sent to single-chip microcomputer by ARM chip, scm software simulation NEC agreement, by Data import on 38kHz carrier wave, control infrared emission head and send infrared signal.
In sum, the present invention adopts ARM chip and single-chip microcomputer to combine and controls to send infrared signal, and without the need to supporting the use with control object, versatility is good.Integrated multiple infrared remote coding program in software in single-chip microcomputer, remote-controlled multiple terminal equipment, saving resource; To be connected with wireless router by smart mobile phone and to send data, improve remote control distance; Smartphone software application operating interface is more attractive in appearance, and arrange the functions such as timed sending button, can upgrade application software at any time, using method is abundanter, and operating experience is better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
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| CN201510005299.4A CN104517437A (en) | 2015-01-06 | 2015-01-06 | Remote controller and remote control method thereof |
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| CN109064733A (en) * | 2018-09-30 | 2018-12-21 | 珠海全志科技股份有限公司 | Adaptive infrared signal coding/decoding method, computer installation and its control device |
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Effective date of registration: 20160118 Address after: 100085, No. three, No. 002, Section 1, building No. 3, 3rd floor, information industry base, Beijing, Haidian District Applicant after: Star Software Technology Co.,Ltd. Address before: 100085, No. three, No. 305, Section 1, building No. 3, 3rd floor, information industry base, Beijing, Haidian District Applicant before: STAR TIMES COMMUNICATION NETWORK TECHNOLOGY CO., LTD. |
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Application publication date: 20150415 |