CN103325223B - A kind of method, apparatus and remote control of RF wireless communication transmissions - Google Patents
A kind of method, apparatus and remote control of RF wireless communication transmissions Download PDFInfo
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- CN103325223B CN103325223B CN201210073932.XA CN201210073932A CN103325223B CN 103325223 B CN103325223 B CN 103325223B CN 201210073932 A CN201210073932 A CN 201210073932A CN 103325223 B CN103325223 B CN 103325223B
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Abstract
The invention discloses a kind of method of RF wireless communication transmissions, including：S1. mode of operation is judged, if RF modes of learning, then into step S2, if not RF modes of learning, then into step S3；S2. RF physical layer addresses and pattern are set, into step S21；S21. data and the storage that wireless telecommunications are sent are received；S3. launched after reading the data processing of storage.The invention also discloses a kind of device and remote control of RF wireless communication transmissions.Implement a kind of method, apparatus of RF wireless communication transmissions of the present invention and remote control adds the learning functionality of RF remote controls, it can be made to possess compatible performance by this function, expand use range, increase occupation rate of market.
Description
Technical field
The present invention relates to wireless remotely-controlled field, and in particular to a kind of method of RF wireless communication transmissions, device and remote control.
Background technology
In the market home entertaining, household electrical appliance, which are substantially, to be adjusted volume using infrared ray (IR) remote control, exchanges
Program, adjusting control function.As home entertaining life is increasingly subject to pay attention to, the appearance of controlling intelligent household appliances, domestic television set,
Set top box and computer have combined together, and traditional IR remote controllers can not solve the control function needed for these equipment,
Current 433MHz, 915MHz, 2.4GHz RF, RF (Radio Frequency, radio frequency), expression can be radiated
The electromagnetic frequency in space, frequency range is between 300KHz~30GHz.Radio frequency abbreviation RF radio frequencies are exactly radio-frequency current, and it is one
The abbreviation of kind high-frequency ac change electromagnetic wave.Alternating current of the change less than 1000 times per second is referred to as low-frequency current, more than 10000 times
Be referred to as high frequency electric, and radio frequency is exactly such a high frequency electric.Cable television system is exactly to use radio frequency transmission mode.
In theory of electronics, electric current flows through conductor, and magnetic field can be formed around conductor；Alternating current passes through conductor, conductor
Surrounding can form the electromagnetic field of alternation, referred to as electromagnetic wave.When wave frequency is less than 100khz, electromagnetic wave can be inhaled by earth's surface
Receive, it is impossible to effective transmission is formed, but when wave frequency be higher than 100khz, electromagnetic wave can be propagated in atmosphere, and through greatly
The ionospheric reflection of gas-bearing formation outer rim, long-distance transmissions ability is formed, we are the frequency electromagnetic waves with long-distance transmissions ability
Referred to as radio frequency, radio-frequency technique are widely used in the field of wireless communication.
Different vendor's chip differs, and different chips are based on different agreement, causes its wireless various complexity of specification, current big absolutely
Most RF do not have learning functionality, and minority has study of the RF just for its relevant control function of learning functionality, without other layers
The study of secondary data, so prior art is not really universal type RF.Current RF species is various, and its wireless chip is in different vendor
Have a different communications protocol, learning-oriented RF only learns to control section data, can only passively learn, do not reach very
Positive learning-oriented omnipotent RF.Having for RF remote controls is a little troubling.That is exactly that wireless specification is numerous and disorderly, and compatibility is difficult to reality
It is existing, without real universal type RF.
The content of the invention
In order to solve the technical problem of the above, the present invention provides method, apparatus and the remote control of a kind of RF wireless communication transmissions
Device.
The invention discloses a kind of method of RF wireless communication transmissions, including：
S1. judge mode of operation, if RF modes of learning, then into step S2, if not RF modes of learning, then enter
Enter step S3；
Power-up initializing can just be operated the judgement of pattern, and initializing includes initialization accumulator system, stack pointer,
Initialize running environment,
S2. RF physical layer addresses and pattern are set, the setting of RF physical layer modes and physical layer address setting are by based on GFSK
Frequency hopping transceiver IC is determined, into step S21；
S21. data and the storage that wireless telecommunications are sent are received；
S3. launched after reading the data processing of storage；Described step S3, which includes handling with PHY, to be stored
Data Concurrent the step of penetrating.
It is further comprising the steps of after step S21 in the method for RF wireless communication transmissions of the present invention：
S22. judge whether to receive, if so, into step S23, if it is not, return to step S21；
S23. RF modes of learning are exited；
The invention discloses a kind of device of RF wireless communication transmissions, for realizing above-mentioned method, including：
Mode of operation judging unit, for judging mode of operation；
RF physical layer setup units, be connected with described mode of operation judging unit, for set RF physical layer addresses and
Pattern；
Data cell is received, is connected with described RF physical layer setup units, for receiving the data of wireless telecommunications transmission
And store；
Launch data cell, be connected with described mode of operation judging unit, add after the data processing for reading storage
With transmitting；
Described transmitting data cell includes PHY processing subelement, for handling storage with PHY
Data Concurrent is penetrated.
In the device of RF wireless communication transmissions of the present invention, in addition to judging unit is received, it is and described
Receive data cell to be connected, for judging whether to receive；RF modes of learning exit unit, and judgement is received with described
Unit is connected, for exiting RF modes of learning.
In the device of RF wireless telecommunications of the present invention transmitting-receiving, the transmitting frequency of described RF wireless telecommunications R-T units
Duan Wei：433MHz、915MHZ、2.4GHz.
In the device of RF wireless communication transmissions of the present invention, described RF wireless telecommunications R-T unit supports TV
The infrared emission mode of machine, set top box.
The invention discloses a kind of remote control of RF wireless communication transmissions, including control unit, described control unit bag
Include the device of above-mentioned RF wireless communication transmissions；Also include the motion sensor that MEMS gyroscope and mems accelerometer form；
The course of work of the remote control of RF wireless communication transmissions is：
Power-up initializing；
Initialize RF transceivers；
The mode of operation of the device 1 of RF wireless communication transmissions is selected by key zone 130, into RF modes of learning or non-RF
Mode of learning, feedback is on a display screen；
If RF modes of learning, then：
Carry out button inspection；
RF physical layer modes are set；
RF physical layer addresses are set, and receive RF wireless datas, store RF wireless datas；
Exit mode of learning；
If being non-RF modes of learning,：
Read EPROM data storages：
Button inspection is progress RF data flow transmitting-receiving initialization after non-RF mode of operations：
Motion sensor data are read, read HID Keyboard, read HID mouse, read audio data；
RF launches data processing；
RF receives data processing；
The processing of RF frequency-hopped datas；Dormancy is handled；
RF fault-tolerant processings.
In the remote control of RF wireless communication transmissions of the present invention, described remote control also includes and described control
Motion sensor, display screen, key zone, slide-mouse, audio decoder, earphone and the microphone that unit is respectively connected with.
Implement the method, apparatus and remote control of a kind of RF wireless communication transmissions of the present invention, there is technology beneficial below
Effect：
The learning functionality of RF remote controls is added, it can be made to possess compatible performance by this function, expansion uses model
Enclose, increase occupation rate of market.
Brief description of the drawings
Fig. 1 is a kind of RF wireless communication transmissions method flow diagram of the embodiment of the present invention；
Fig. 2 is a kind of RF wireless communication transmission devices block diagram of the embodiment of the present invention；
Fig. 3 is a kind of remote control block diagram of RF wireless communication transmissions of the embodiment of the present invention.
Embodiment
To describe the technology contents of the present invention, construction feature, the objects and the effects in detail, below in conjunction with embodiment
And accompanying drawing is coordinated to be explained in detail.
Numerous and disorderly for current wireless specification, compatibility is difficult to, and is not sought unity of standard.Technical scheme is most heavy
What is wanted is that it has very strong learning functionality, as long as being that the study based on physical layer just can be all related by it by pair agreement
It is unified that information learning comes to cause that RF is formed, and compatibility is achieved, and it is omnipotent to be truly realized RF.
Referring to Fig. 1, a kind of method of RF wireless communication transmissions, including：
S1. judge mode of operation, if RF modes of learning, then into step S2, if not RF modes of learning, then enter
Enter step S3；
The judgement of pattern can be just operated after power-up initializing, initialization includes initializing accumulator system, and storehouse refers to
Pin, initialize running environment.
S2. RF physical layer addresses and pattern are set, into step S21；
Physical layer region be directly facing the physical medium (i.e. communication port) for actually undertaking data transfer, the unit of transfer of physical layer
For bit (bit), i.e. bit (" 0 " or " 1 ").Actual bit transfer is necessarily dependent upon transmission equipment and physics matchmaker
Body, still, physical layer do not refer to specific physical equipment, nor referring to the physical medium of signal transmission, and refer in physics matchmaker
The physical connection of one transmission original bit stream is provided on body for last layer (data link layer).The present invention is to be based on general base
In GFSK frequency hopping transceivers IC；" RF physical layer modes are set and physical layer address setting " is determined by general frequency hopping transceiver IC.
S21. data and the storage that wireless telecommunications are sent are received；
S3. launched after reading the data processing of storage.
It is it is preferred that further comprising the steps of after step S21：
S22. judge whether to receive, if so, into step S23, if it is not, return to step S21；
S23. RF modes of learning are exited；
Described step S3 includes handling the step of Data Concurrent stored is penetrated with PHY.
PHY：Define the shape of connector, size, the number of each wiring pin used by physical connection
Amount, arranging situation etc. is, it is specified that the circuit characteristic of DTE and DCE interface connecting wires, such as electric connecting mode, signal level, most
Big data transfer rate and apart from limitation etc., it is specified that using signal wire progress binary bits streaming one group of operating process,
Action rules and the sequencing of i.e. each signal wire are, it is specified that the function distribution of each signal line and definite fixed on physical interface
Adopted signal wires generally can be divided into data, control, timing and ground wire.
Fig. 2, a kind of device 1 of RF wireless communication transmissions are referred to, for realizing above-mentioned method, including：
Mode of operation judging unit 10, RF physical layers setup unit 20, data cell 30 is received, launch data cell 40.
Mode of operation judging unit 10, for judging mode of operation；
RF physical layers setup unit 20, is connected with mode of operation judging unit 10, for setting RF physical layer addresses and mould
Formula；
Data cell 30 is received, is connected with RF physical layers setup unit 20, for receiving the data of wireless telecommunications transmission simultaneously
Storage；
Launch data cell 40, be connected with mode of operation judging unit 10, for being subject to after reading the data processing of storage
Transmitting.
It is preferred that the device of the RF wireless communication transmissions of the present invention, in addition to
Judging unit 33 is received, is connected with receiving data cell 30, for judging whether to receive；
RF modes of learning exit unit 36, are connected with receiving judging unit 33, for exiting RF modes of learning.
Wherein, launching data cell 40 includes PHY processing subelement, is stored for being handled with PHY
Data Concurrent penetrate.
Wherein, the transmitting frequency range of RF wireless telecommunications R-T unit is：433MHz、915MHZ、2.4GHz.
RF wireless communication transmission devices support television set, the infrared emission mode of set top box；
Fig. 3, a kind of remote control of RF wireless communication transmissions are referred to, including control unit 100, control unit 100 include
The device 1 of above-mentioned RF wireless communication transmissions.
In the peripheral circuit of control unit 100, in addition to：It is the motion sensor 110 that is respectively connected with control unit 100, aobvious
Display screen 120, key zone 130, slide-mouse 140, audio decoder 150, earphone 160 and microphone 170.Display screen 120, button
Area 130 is placed on the shell of remote control, motion sensor 110, slide-mouse 140, audio decoder 150, earphone 160 and Mike
Wind 170 is placed in the shell of remote control.
The course of work of the remote control of RF wireless communication transmissions is：
Power-up initializing；
Initialize RF transceivers (control unit 100)；
The mode of operation of the device 1 of RF wireless communication transmissions is selected by key zone 130, into RF modes of learning or non-RF
Mode of learning, feedback is on the display screen 120；
If RF modes of learning, then：
Carry out button inspection；
RF physical layer modes are set；
RF physical layer addresses are set, and receive RF wireless datas, store RF wireless datas；
Exit mode of learning；
If being non-RF modes of learning,：
Read EPROM data storages：
Button inspection is progress RF data flow transmitting-receiving initialization after non-RF mode of operations：
Motion sensor data are read, read HID Keyboard, read HID mouse, read audio data；
RF launches data processing；
RF receives data processing；
The processing of RF frequency-hopped datas；Dormancy is handled；
RF fault-tolerant processings.
In summary, no matter the control unit 100 (chip) based on what model, as long as based on PHY
RF, the present invention can come the study completely of its relevant information, form universal type RF controllers.
The present invention be related to 433MHz, 915MHZ, 2.4GHz RF have the wireless transmission controller transceiver of learning functionality
Design method, particularly its learning functionality is very strong, belongs to Universal study type.The product scope mainly applied：The net of intelligence 3 closes 1
Household electrical appliance Human-machine Control device, such as：Set top box, intelligent television, all-in-one, the remote control of household electrical appliance.
Essence of the invention is that：Present invention seek to address that intelligent appliance (intelligent television, set top box, computer all-in-one machine) etc.
The control of audio-visual devices and amusement equipment.
The present invention uses brand-new wireless control technology, international logical using real 433MHz, 915MHZ, 2.4GHz ISM
With channel available for free digital transmission technology GFSK modulator approaches.
Remote control has the full slide-mouse function of standard HID device (left button, right button, middle key)；Also there is standard HID device full key board
Disk function, fully demonstrate the intellectuality of intelligent appliance, surfed the Net or other need input word when, can provide with
Input through keyboard as PC is computer.
The present invention additionally use motion sensor (such as：MEMS gyroscope and mems accelerometer), family can be used as
Entertain (as played game) somatic sensation television game handle, aerial slide-mouse (when needing mouse, brandishes remote control and mouse movement and point can be achieved
Hit function), intelligent domestic TV, set top box control can be carried out by brandishing gesture.
This remote control additionally uses general adpcm audio encryption algorithm, realizes wireless headset+microphone function, connects intelligence
Home entertainment device can listen music, listen television field frame, online, voice-enabled chat.Built-in microphone can realize voice dialogue, language
The functions such as sound control system (Voice command TV or set top box zapping, QQ user's calling).
This remote control also has very novel learning functionality.
Market and Technology background：The remote control of only infrared ray has learning functionality, and so-called learning functionality refers to user
Its control function for having of other remote controller products that 433MHz, 915MHZ, 2.4GHz are wireless.This product passes through advanced method
The application that its control signal of translation and data then use this product can be received.
This remote control is based on wireless 433MHz, 915MHZ, 2.4GHz radiation pattern, supplemented by infrared mode, supports TV
Machine, set top box traditional infrared control function.
Implement the method, apparatus and remote control of a kind of RF wireless communication transmissions of the present invention, there is technology beneficial below
Effect：
The learning functionality of RF remote controls is added, it can be made to possess compatible performance by this function, expansion uses model
Enclose, increase occupation rate of market.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within protection scope of the present invention.
Claims (8)
- A kind of 1. method of RF wireless communication transmissions, it is characterised in that including：S1. judge mode of operation, if RF modes of learning, then into step S2, if not RF modes of learning, then enter step Rapid S3；Power-up initializing can just be operated the judgement of pattern, and initializing includes initialization accumulator system, stack pointer, initially Change running environment,S2. RF physical layer addresses and pattern are set, the setting of RF physical layer modes and physical layer address setting are by based on GFSK frequency hoppings Transceiver ic determines, into step S21；S21. data and the storage that wireless telecommunications are sent are received；S3. launched after reading the data processing of storage；Described step S3 includes the number that storage is handled with PHY According to and the step of launch.
- 2. the method for RF wireless communication transmissions according to claim 1, it is characterised in that after step S21 also include with Lower step：S22. judge whether to receive, if so, into step S23, if it is not, return to step S21；S23. RF modes of learning are exited.
- A kind of 3. device of RF wireless communication transmissions, for realizing the method described in claim 1, it is characterised in that including：Mode of operation judging unit, for judging mode of operation；RF physical layer setup units, it is connected with described mode of operation judging unit, for setting RF physical layer addresses and pattern；Data cell is received, is connected with described RF physical layer setup units, for receiving the data of wireless telecommunications transmission and depositing Storage；Launch data cell, be connected with described mode of operation judging unit, for being sent out after reading the data processing of storage Penetrate；Described transmitting data cell includes PHY processing subelement, for handling the data of storage with PHY And launch.
- 4. the device of RF wireless communication transmissions according to claim 3, it is characterised in that also includeJudging unit is received, is connected with described reception data cell, for judging whether to receive；RF modes of learning exit unit, are connected with the described judging unit that receives, for exiting RF modes of learning.
- 5. the device of RF wireless communication transmissions according to claim 3, it is characterised in that described RF wireless telecommunications transmitting-receiving The transmitting frequency range of device is：433MHz、915MHZ、2.4GHz.
- 6. the device of RF wireless communication transmissions according to claim 5, it is characterised in that described RF wireless telecommunications transmitting-receiving Device supports television set, the infrared emission mode of set top box.
- 7. a kind of remote control of RF wireless communication transmissions, including control unit, it is characterised in that described control unit includes power Profit requires the device of the RF wireless communication transmissions described in 3；Also include the kinesthesia that MEMS gyroscope and mems accelerometer form Answer device；The course of work of the remote control of RF wireless communication transmissions is：Power-up initializing；Initialize RF transceivers；The mode of operation of the device 1 of RF wireless communication transmissions is selected by key zone 130, is learnt into RF modes of learning or non-RF Pattern, feedback is on a display screen；If RF modes of learning, then：Carry out button inspection；RF physical layer modes are set；RF physical layer addresses are set, and receive RF wireless datas, store RF wireless datas；Exit mode of learning；If being non-RF modes of learning,：Read EPROM data storages：Button inspection is progress RF data flow transmitting-receiving initialization after non-RF mode of operations：Motion sensor data are read, read HID Keyboard, read HID mouse, read audio data；RF launches data processing；RF receives data processing；The processing of RF frequency-hopped datas；Dormancy is handled；RF fault-tolerant processings.
- 8. the remote control of RF wireless communication transmissions according to claim 7, it is characterised in that described remote control also includes The motion sensor that is respectively connected with described control unit, display screen, key zone, slide-mouse, audio decoder, earphone and Microphone.
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| CN201210073932.XA CN103325223B (en) | 2012-03-20 | 2012-03-20 | A kind of method, apparatus and remote control of RF wireless communication transmissions |
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| CN103325223B true CN103325223B (en) | 2018-01-23 |
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| CN105070014B (en) * | 2015-08-03 | 2019-03-05 | 深圳市创荣发电子有限公司 | All-purpose learning remote controller and Universal study remote control method based on RF4CE |
| CN105338388B (en) * | 2015-10-28 | 2018-02-06 | 四川长虹电器股份有限公司 | A kind of method that various remote controls are responded on intelligent TV set |
| CN109451758A (en) * | 2018-05-31 | 2019-03-08 | 深圳市蚂蚁雄兵物联技术有限公司 | Remote control equipment and remote control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1692673A (en) * | 2003-01-30 | 2005-11-02 | 索尼株式会社 | Control device and method, information processing device and method, recording medium, and program |
| CN1912948A (en) * | 2005-08-11 | 2007-02-14 | 凌阳科技股份有限公司 | Study remote controldevice system and its remote control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW200725494A (en) * | 2005-12-23 | 2007-07-01 | Ind Tech Res Inst | Wireless remote control method |
| US8463181B2 (en) * | 2008-08-14 | 2013-06-11 | Mediatek Inc. | Communication apparatuses and methods for flexibly providing various application profiles of a wireless communication system |
| CN101789172B (en) * | 2010-03-10 | 2013-01-16 | 龚湘明 | Remote controller data processing method and device |
| CN102129769B (en) * | 2011-01-14 | 2012-11-07 | 利尔达科技有限公司 | Universal remote control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1692673A (en) * | 2003-01-30 | 2005-11-02 | 索尼株式会社 | Control device and method, information processing device and method, recording medium, and program |
| CN1912948A (en) * | 2005-08-11 | 2007-02-14 | 凌阳科技股份有限公司 | Study remote controldevice system and its remote control method |
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