CN101127156A - Universal method for identifying remote control instruction and the related device - Google Patents
Universal method for identifying remote control instruction and the related device Download PDFInfo
- Publication number
- CN101127156A CN101127156A CNA2006101262399A CN200610126239A CN101127156A CN 101127156 A CN101127156 A CN 101127156A CN A2006101262399 A CNA2006101262399 A CN A2006101262399A CN 200610126239 A CN200610126239 A CN 200610126239A CN 101127156 A CN101127156 A CN 101127156A
- Authority
- CN
- China
- Prior art keywords
- decoding
- remote control
- identifying
- signal
- identification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Selective Calling Equipment (AREA)
- Details Of Television Systems (AREA)
Abstract
The utility model discloses a common method of identifying remote control instructions and the related device, which enables to save the resources use of the microprocessor and improve the efficiency of the microprocessor, thus improves the quality of multimedia output. The method comprises: receiving remote controlled signals; calculating a plurality of signal periods passed during the state rotation of two adjacent signals in the controlled signals; and identifying a plurality of coding data based on the signal periods. The device comprises a counting unit and a logical unit; wherein the counting unit is used to receive a remote controlled signal and calculate the signal periods passed during the state rotation of two adjacent signals in the controlled signals; and the logical unit is used to identify the coding data based on the signal periods.
Description
Technical field
The present invention relates to a kind of method and relevant apparatus thereof of identification remote command, relate in particular to a kind of method and relevant apparatus thereof of remote command of universal identification telechirics.
Background technology
Along with the progress of electronic technology, various electronic installations have become the some of modernized society's life.Consumer media products such as TV, Disc player, digital versatile disc player are generally used by the society life.In order to allow the user can control every function easily, many electronic installations collocation mostly have its corresponding remote controller, especially Digiplex, allow the user can see through telepilot and control electronic installation arbitrarily.
The infra-red remote control system of knowing is man-to-man, that is to say, each electronic installation has an exclusive telepilot, and its every function that can carry out all can be regularly corresponding to a kind of remote control signal with customizing messages.Then can be provided with a plurality of buttons that are used for controlling difference in functionality on the telepilot, when the user will control this electronic installation and carries out a certain function, the user can press this function corresponding key on telepilot, the remote control signal that allows telepilot send carries the customizing messages of this function correspondence.Electronic installation receives this remote control signal, the customizing messages in will the interpretation remote control signal, and, carry out relevant function according to the corresponding relation between customizing messages and function.
Generally speaking, the employed mechanics of communication of telepilot is infrared ray or less radio-frequency (Radio Frequency) transmission technology.The less radio-frequency transmission technology does not have the problem of operative orientation, and simultaneously the tool amphicheirality not only sends remote signal, can receive the status information of household electrical appliances yet and directly presents on telepilot.Yet infrared remote controller has characteristics such as volume is little, low in energy consumption, function is strong, cost is low, makes infrared remote controller become most popular a kind of telechiric device at present.
Fig. 1 is the synoptic diagram of existing infra-red remote control system 10.Infra-red remote control system 10 includes transmitting terminal 12 and receiving end 14.Transmitting terminal 12 includes input interface 120, coding module 122 and infrared transmitter 126.Receiving end 14 includes infrared receiver 140, control module 144 and functional module 146.In transmitting terminal 12, input interface 120 includes a plurality of buttons, corresponds respectively to difference in functionality, and the user can be through the button of pushing input interface 120 in order to start or to finish the function of electronic installation.Coding module 122 can be according to a default principle, the signal that input interface 120 is exported is converted to 0,1 digital signal of forming, and adding gauge outfit or fill data etc., be encoded to the package of specific format, and see through infrared transmitter 126 with the form emission control signal of infrared light to receiving end 14.On the contrary, in receiving end 14, the signal that infrared receiver 140 can be launched infrared transmitter 126 sees through the processing of opto-electronic conversion, the controlling signal of infrared light is passed be changed to electric signal.Control module 144 includes microcontroller 148 and storage element 150, be used for carrying out the instruction of demodulation, decoding and identification transmitting terminal 12, it can be converted to fundamental frequency by infra-red carrier with electric signal, the steering order of being exported with identification transmitting terminal 12, and see through functional module 146 and carry out corresponding function F (1) ... F (n).
In infra-red remote control system 10, owing to have only a spot of data to be sent to receiving end 14 by transmitting terminal 12, so the most important thing is in the transmission course to guarantee correctness.Prior art has developed and different coding standards, the area in Europe, and the most general standard is 80 yards of RC-5 sign indicating number and RECS; In the Far East Area, then be the NEC sign indicating number.In addition, all there is its special-purpose standard in many consumer electronics product manufacturers (as Mitsubishi, Panasonic, JVC etc.).The above-mentioned modulation mode that coding standard adopted can generally be divided into: phase modulation (Phase Modulation), pulse wave width modulation (Pulse Width Modulation) and pulse wave position modulation (Pulse Position Modulation).Please refer to the 2nd figure to the 4 figure, show behind phase modulation, pulse wave width modulation and the pulse wave position modulation 0 and 1 waveform synoptic diagram respectively.Phase modulation is with falling edge representative " 0 " in the unit interval, rising edge representative " 1 ".Pulse wave width modulation is with ratio (work period) representative " 0 " and " 1 " of the high and low position of emission infra-red carrier modulation standard; For example: in the coding standard of NEC, " 0 " be 0.56 millisecond of high levels (ms, millisecond), 0.56 millisecond of low level; " 1 " is 0.56 millisecond of high levels, 1.68 milliseconds of low level.The position difference expression " 0 " and " 1 " that pulse wave position modulation then occurs with pulse wave.
At above-mentioned modulation mode, control module 144 is used different demodulation and decoded mode, to obtain the steering order that transmitting terminal 12 is exported.With the pulse wave width modulation is example, and the microcontroller 148 in the control module 144 can calculate the accurate duration of high and low position according to the timer of The built-in, is 0 or 1 with the signal that identification was received.In other words, the decode procedure of control module 144 need use the timer of microcontroller 148.Generally speaking, in multimedia device, microcontroller 148 also need be carried out computing functions such as image, acoustic processing except the function of carrying out demodulation, decoding.The process need of existing decoding uses the timer of microcontroller 148, thereby has taken the valuable source of microcontroller 148, and the efficient that causes microcontroller 144 to carry out image, acoustic processing reduces, and influences the quality of multimedia output; In addition, aforementioned multiple codec standard, existing telechirics is to realize wherein a kind of codec standard with exclusive hardware one to one, realization for the system manufacturer terminal is also nonelastic, for example need infrared receiver in the LCD TV, but LCD TV need be sold to all over the world, and exclusive infrared system of separating coding is very not convenient for system manufacturer.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method of general identification remote command, and it can be saved the resource of microprocessor and use, and promotes the efficient of microprocessor, and then has improved the quality of multimedia output.
In order to solve above technical matters, the invention provides a kind of method of general identification remote command, it includes: receive the remote control controlling signal; Calculate in this controlling signal between two adjacent signal transitions the plurality of signals periodicity of process; And according to a plurality of decoding datas of described signal periodicity identification.
Technical matters to be solved by this invention provides a kind of general decoding device for identifying that is used for the universal remote control receiver, and it can be saved the resource of microprocessor and use, and promotes the efficient of microprocessor, and then has improved the quality of multimedia output.
In order to solve above technical matters, the invention provides a kind of general decoding device for identifying that is used for the universal remote control receiver, it includes: a counting unit, be used for receiving a remote control controlling signal and calculate in this controlling signal between two adjacent signal transitions the plurality of signals periodicity of process; And a logical block, be used for according to a plurality of decoding datas of described signal periodicity identification.
Because the present invention is by calculating the signal periodicity between adjacent signal transition (transition) in the controlling signal that telepilot sent, for example each waveform falling edge to an adjacent waveform rising edge the signal periodicity of process, the pairing instruction of identification controlling signal according to this, can save the timer that is used for calculating high and low accurate duration in the microprocessor according to announcement of the present invention, therefore saving the resource of microprocessor uses, and promote its efficient, strengthen the quality of multimedia output.In addition, except the running of deciphering through hardware circuit, the present invention also can see through microprocessor and carry out raw data decoding computing, to meet the demand of Different Red outside line telechirics, the design flexibility and the convenience of system manufacturer maximum are provided, thereby realize universal receiver of remote-control sytem, save production time, the cost of system manufacturer.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 is the synoptic diagram of existing infra-red remote control system.
Fig. 2 is the waveform synoptic diagram of phase modulation.
Fig. 3 is the waveform synoptic diagram of pulse wave width modulation.
Fig. 4 is the waveform synoptic diagram of pulse wave position modulation.
Fig. 5 is the process flow diagram of embodiment of the invention identification remote command.
Fig. 6 is used for the synoptic diagram of the infra-red remote control system of electronic installation for the embodiment of the invention.
Fig. 7 is the synoptic diagram of decoding device for identifying.
Fig. 8 shows the synoptic diagram according to the decoding logic unit of the embodiment of the invention.
[primary clustering symbol description]
10,60 infra-red remote control systems
12,62 transmitting terminals
14,64 receiving ends
120,620 input interfaces
122,622 coding modules
126,626 infrared transmitter
140,640 infrared receivers
642 decoding device for identifying
144,644 control modules
146,646 functional modules
148 microcontrollers
150 storage elements
700 receiving ends
702 counting units
704 logical blocks
800 edge detection unit
802 buffers
804 decoding identification units
806 decoding data storehouses
808 first in first out storage elements
810 multiplexers
50 flow processs
500,502,504,506,508 steps
812 signals
814,816,817 signal paths
Embodiment
As shown in Figure 5, it is the synoptic diagram of the flow process 50 of embodiment of the invention identifying remote control instruction, comprises following steps:
Step 500: beginning.
Step 502: receive the remote control controlling signal that telepilot is exported.
Step 504: in the calculation control signal waveform falling edge to adjacent waveform rising edge the signal periodicity of process.
Step 506: according to each waveform falling edge in the controlling signal to adjacent waveform rising edge the signal periodicity of process, the pairing instruction of identification controlling signal.
Step 508: finish.
In the calculation control signal of the present invention the waveform falling edge to adjacent waveform rising edge the signal periodicity of process, with the pairing instruction of identification controlling signal.With the pulse wave width modulation is example (shown in the 3rd figure), pulse wave width modulation system is with ratio (work period) representative " 0 " and " 1 " of the high and low position of emission infra-red carrier modulation standard, as: in the coding standard of NEC, suppose that using the signal cycle is 1 microsecond (μ s, microsecond), " 0 " is 0.56 millisecond of high levels, 0.56 millisecond of low level; " 1 " is 0.56 millisecond of high levels, 1.68 milliseconds of low level.Therefore, when the waveform falling edge to adjacent waveform rising edge the signal periodicity of process when being about 560 (0.56ms/1 μ s), then corresponding position is " 0 "; When the waveform falling edge to adjacent waveform rising edge the signal periodicity of process when being about 1680 (1.68ms/1 μ s), then corresponding position is " 1 ".Preferably, can according to the waveform falling edge to adjacent waveform rising edge the signal periodicity of process, with the position information of identification correspondence.Behind all positions of obtaining controlling signal, the pairing instruction of identification controlling signal according to this.Preferably, pulse wave width modulation system is with the signal of low level time difference " 0 " and " 1 ", and calculating waveform falling edge lag behind to the sequential this waveform falling edge adjacent waveform rising edge the signal periodicity of process.Certainly, if pulse wave width modulation system is with the signal of high levels time difference " 0 " and " 1 ", the present invention also can calculate the waveform falling edge lead over to the sequential this waveform falling edge adjacent waveform rising edge the signal periodicity of process; On the signal kenel, also can be in response to deviser's custom, high and low position is accurate anti-phase; The personage who knows this skill is when doing different variations according to the difference of modulation mode.
For according to the pairing instruction of signal periodicity identification controlling signal, can set a plurality of preset instructions earlier, each preset instructions is corresponding to a default signal periodicity combination; Then, when judge in regular turn each waveform falling edge in the controlling signal to an adjacent waveform rising edge after the combination of signal periodicity of process, can compare this combination and whether make up and conform to a default signal periodicity.If, but then the pairing instruction of this controlling signal of identification is this default signal periodicity and makes up pairing preset instructions.That is to say, when obtain each waveform falling edge to an adjacent waveform rising edge behind the signal periodicity of process, can be according to the combination of all signal periodicities, the instruction that the identification telepilot is sent.
Disturb for fear of noise or electromagnetism surging, when judging the signal periodicity, can set first threshold value and second threshold value, when the signal periodicity of being judged during greater than the difference of first value and first threshold value and less than first value and the second threshold value sum, judge that still the signal periodicity is this first value, and first threshold value and second threshold value can be set by hardware register in the telepilot, therefore very has elasticity, even first threshold value can be set at identical value with second threshold value via the single cache device, and reach similar effect, understand when can be the personage who knows this skill.Thus, if being subjected to noise, controlling signal makes when waveform is unstable the still correctly pairing instruction of identification; It should be noted that, the employed infrared ray receive-transmit system of general household electrical appliances system is exposed among the environment of many noise, and infrared transmission itself also is subjected to the influence of noise easily, therefore, allow signal judgment standard point have adjustable elasticity, very favourable for the sensitivity and the correctness system of identification steering order.
The 6th figure shows the synoptic diagram that is used for the infra-red remote control system 60 of electronic installation according to the embodiment of the invention.Infra-red remote control system 60 includes transmitting terminal 62 and receiving end 64.Transmitting terminal 62 comprises input interface 620, coding module 622 and infrared transmitter 626.Receiving end 64 comprises infrared receiver 640, decoding device for identifying 642, control module 644 and functional module 646.In transmitting terminal 62, input interface 620 includes a plurality of buttons, corresponds respectively to difference in functionality, and the user can be through the button of pushing input interface 620 to start or to finish the function of electronic installation.Coding module 622 can be according to a default principle, the signal that input interface 620 is exported is converted to 0,1 digital signal, and add gauge outfit or fill data etc., be encoded to the package of specific format, and see through infrared transmitter 626 with the form emission control signal of infrared light to receiving end 64.On the contrary, in receiving end 64, the signal that infrared receiver 640 can be launched infrared transmitter 626 sees through the processing of opto-electronic conversion, the controlling signal of infrared light is passed be changed to electric signal.But decoding device for identifying 642 realization flows 50 are used for the instruction of the controlling signal that identification transmitting terminal 62 exported.Control module 644 is used for carrying out corresponding function F ' (1) according to the identification result command functions module 646 of decoding device for identifying 642 ... F ' (n).
The 7th figure shows according to the synoptic diagram of the decoding device for identifying 642 of the embodiment of the invention, includes receiving end 700, counting unit 702 and logical block 704.Receiving end 700 usefulness cause infrared receivers 640 receive the controlling signal that this transmitting terminal 62 is exported.Counting unit 702 be used for calculating waveform falling edge in the controlling signal that receiving end 700 received to adjacent waveform rising edge the signal periodicity of process.704 result of calculations of logical block according to counting unit 702, the pairing instruction of identification controlling signal.In the decoding device for identifying 642 calculation control signals waveform falling edge to adjacent waveform rising edge the signal periodicity of process, with the pairing instruction of identification controlling signal.With the pulse wave width modulation is example (shown in the 3rd figure), pulse wave width modulation system is with ratio (work period) representative " 0 " and " 1 " of low level with the high levels of emission infra-red carrier, as: in the coding standard of NEC, in this embodiment, suppose that it is 1 microsecond (μ s that counting unit 702 is used the signal cycle, microsecond), " 0 " is 0.56 millisecond of high levels, 0.56 millisecond of low level; " 1 " is 0.56 millisecond of high levels, 1.68 milliseconds of low level.Therefore, when counting unit 702 is started at the signal periodicity that is calculated when being about 560 (0.56ms/1 μ s) from falling edge, then logical block 704 can judge that corresponding position is " 0 "; When counting unit 702 is started at the signal periodicity that is calculated when being about 1680 (1.68ms/1 μ s) from falling edge, then logical block 704 can judge that corresponding position is " 1 ".In other words, decoding device for identifying 642 be according to the waveform falling edge to adjacent waveform rising edge the signal periodicity of process, to judge corresponding position.Behind all positions of obtaining controlling signal, see through the pairing instruction of logical block 704 identification controlling signal.It should be noted that, when the signal of pulse wave width modulation with carrier wave low level time difference " 0 " and " 1 ", counting unit 702 calculating waveform falling edges lag behind to the sequential this waveform falling edge adjacent waveform rising edge the signal periodicity of process.Certainly, if pulse wave width modulation system is with the signal of high levels time difference " 0 " and " 1 ", then counting unit 702 can calculate the waveform falling edge lead over to the sequential this waveform falling edge adjacent waveform rising edge the signal periodicity of process.Know this skill person when can doing different variations according to the difference of modulation mode, for example according to the waveform falling edge to the waveform rising edge of adjacent (fall behind on the sequential or leading) the signal periodicity of process get final product as basis for estimation.
In decoding device for identifying 642, preferably be provided with one except that making an uproar unit (not illustrating) in infrared receiver 640 and 700 of receiving ends, be used for eliminating electromagnetism surging (glitch) interference of controlling signal.
In decoding device for identifying 642, logical block 704 is according to the count results of counting unit 702, judge the position of correspondence, it can be realized by microprocessor in the control module 644 and program code (not being plotted among the 6th figure), perhaps so that independently hardware circuit or firmware are realized.The 8th figure shows the synoptic diagram according to the logical block 704 of the embodiment of the invention, and it includes edge detection unit 800, buffer 802, decoding identification unit 804, decoding data storehouse (codebank) 806 and first in first out storage element 808.Buffer 802 can be set first threshold value and second threshold value.According to first threshold value and second threshold value, the signal periodicity of being counted when counting unit 702 is during greater than the difference of first value and first threshold value and less than this first value and the second threshold value sum, and edge detection unit 800 judges that the signal periodicities are first value.When controlling signal is subjected to noise and makes waveform unstable, still can correctly judge pairing decoding data.Decoding data storehouse 806 is used for storing a plurality of decoding datas.When obtained each the waveform falling edge in edge detection unit 800 to an adjacent waveform rising edge the combination of signal periodicity of process when equaling a default signal periodicity combination, but the pairing instruction of decoding identification unit 804 identification controlling signal was for making up pairing decoding data or instruction by default signal periodicity.First in first out storage element 808 is used for storing decoding data or the order code that decoding data storehouse 806 is exported, and with the transmission mode of first in first out, instruction is transferred in the control module 644, to carry out corresponding function.Counting unit 702 obtain each waveform falling edge to adjacent waveform rising edge behind the signal periodicity of process; Edge detection unit 800 can judge flexibly whether the position, edge is reasonable, and sends the correct signal periodicity of being judged; Decoding identification unit 804 can be according to the combination of all signal periodicities, the identification telepilot sends the data or the instruction of signal representative, decoding identification unit 804 preferably is a state machine (statemachine), for example, because receiving the signal front, each all gauge outfit can be arranged, whether the gauge outfit of each reception signal of decoding identification unit 804 first identifications is correct, just enter formal identification decoding data then, via signal path 816 decoding data is sent into decoding data storehouse 806, further, decoding identification unit 804 can be fetched the decoding data in the decoding data storehouse 806 via signal path 817, carry out the instruction that representative is resolved in further identification according to decoding data, and it is temporary via signal path 816 decoding data storehouse 806 to be sent in instruction once again; Then instruction is deposited in and reach control module 644 behind the first in first out storage element 808 and do suitable processing, control module 644 preferably is microprocessor, for example 8051 microprocessors.
In addition, in the 8th figure, the count results that first in first out storage element 808 can be used to directly store counting unit 702 in addition (or is called raw data, raw data), in this embodiment, signal 812 can count pick up unit 702 count results, the selection via signal path 814 and multiplexer 810 directly deposits first in first out storage element 808 in; The raw data of taking away in the first in first out storage element 808 via the microprocessor (as 8051) of interrupt call rear end is deciphered running then, still can reach the purpose that does not take microprocessor internal timer resource.That is to say, the count results of counting unit 702 can be not via the processing in edge detection unit 800, decoding identification unit 804 and decoding data storehouse 806, directly seeing through first in first out storage element 808 is sent in the control module 644, to meet other special applications, the situation of for example non-pulse wave width modulation decoding.Therefore, the present invention can be applicable to dissimilar telechiricss, system manufacturer can be according to different infra-red remote control systems, flexibly realize separating encoding function, system manufacturer (as the production firm of LCD TV) can see through infra-red remote control of the present invention system, realize the different coding requirements of separating very expediently, with saving production time, cost.
According to the present invention in the 8th figure hardware structure that is disclosed, three kinds of elasticity decoding modes be can support, complete decoding mode (full decode mode), raw data decoding mode (raw data mode) and software decoding pattern (software decode mode) comprised.Under complete decoding mode, decoding identification unit 804 is sent decoding data into decoding data storehouse 806 via signal path 816, via signal path 817 decoding data in the decoding data storehouse 806 is fetched again, carry out the instruction that representative is resolved in further identification according to decoding data, and it is temporary via signal path 816 decoding data storehouse 806 to be sent in instruction once again, therefore the instruction global solution of signal representative can be separated out and be temporary in decoding data storehouse 806, send interrupt call and please take out the instruction reaction by microprocessor.Under the raw data decoding mode, decoding identification unit 804 is sent decoding data into decoding data storehouse 806 via signal path 816, just directly sends interruption and please microprocessor reads decoding data and handle.Under the software decoding pattern, the count results of counting unit 702 directly deposits first in first out storage element 808 in via the selection of signal path 814 and multiplexer 810, directly sends interruption and please microprocessor reads count results and handle.Therefore this hardware structure can provide the design flexibility of system designer maximum, realizes general receiver and reaches the purpose of Tong Yong Xie Code.
In sum, the present invention calculates in the controlling signal that telepilot sent, signal periodicity between adjacent signal transition (transition), for example each waveform falling edge to an adjacent waveform rising edge the signal periodicity of process, the pairing instruction of identification controlling signal according to this, can save the timer that is used for calculating high and low accurate duration in the microprocessor according to announcement of the present invention, therefore saving the resource of microprocessor uses, and promote its efficient, strengthen the quality of multimedia output.In addition, except the running of deciphering through hardware circuit, the present invention also can see through microprocessor and carry out raw data decoding computing, to meet the demand of Different Red outside line telechirics, the design flexibility and the convenience of system manufacturer maximum are provided, thereby realize universal receiver of remote-control sytem, save production time, the cost of system manufacturer.
Claims (18)
1. the method for a general identifying remote control instruction is characterized in that, it includes:
Receive the remote control controlling signal;
Calculate in this controlling signal between two adjacent signal transitions the plurality of signals periodicity of process; And
According to a plurality of decoding datas of described signal periodicity identification.
2. the method for general identifying remote control instruction as claimed in claim 1 is characterized in that, also comprises the electromagnetism surging of eliminating this controlling signal and disturbs step.
3. the method for general identifying remote control instruction as claimed in claim 1 is characterized in that, also comprises the combination according to described decoding data, the telecommand step of this controlling signal representative of identification.
4. the method for general identifying remote control instruction as claimed in claim 1, it is characterized in that, described identification step, when the signal periodicity in the described signal periodicity greater than first value and the difference of first threshold value and less than this first value during with the second threshold value sum, still this signal periodicity of the described signal periodicity of identification is this first value.
5. general decoding device for identifying that is used for the universal remote control receiver is characterized in that it includes:
One counting unit, be used for receiving a remote control controlling signal and calculate in this controlling signal between two adjacent signal transitions the plurality of signals periodicity of process; And
One logical block is used for according to a plurality of decoding datas of described signal periodicity identification.
6. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 5 is characterized in that, other comprises one and removes the unit of making an uproar, and is coupled to before this counting unit, is used for eliminating the electromagnetism surging interference of this controlling signal.
7. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 5 is characterized in that wherein this logical block includes:
One decoding identification unit is used for according to the described decoding data of described signal periodicity identification; And a decoding data storehouse, be coupled to this decoding identification unit, be used for storing described decoding data.
8. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 7 is characterized in that, this decoding identification unit is according to the telecommand of this remote control controlling signal representative of combination identification of described decoding data.
9. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 5 is characterized in that wherein this logical block includes:
One buffer is used for storing and setting first threshold value and second threshold value; And
One edge detecting unit, be coupled to this buffer, be used for judging still that in when the signal periodicity of described signal periodicity during this signal periodicity of described signal periodicity is this first value greater than the difference of first value and this first threshold value and less than this first value and this second threshold value sum.
10. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 5, it is characterized in that, also comprise a first in first out storage element, be used for storing described decoding data, and this counting unit is sent interrupt call to microcontroller, makes this microcontroller read the content of this first in first out storage element.
11. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 5 is characterized in that wherein this logical block includes:
One buffer is used for storing and setting first threshold value and second threshold value; And
One edge detecting unit is coupled to this buffer, is used for judging still that in when the signal periodicity of described signal periodicity during greater than the difference of first value and this first threshold value and less than this first value and this second threshold value sum this signal periodicity is this first value;
One decoding identification unit is coupled to this edge detection unit, is used for the described decoding data of identification; And
One decoding data storehouse is coupled to this decoding identification unit, is used for storing described decoding data.
12. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 11, it is characterized in that, wherein should decipher the telecommand of identification unit, and this telecommand was stored to this decoding data storehouse according to this remote control controlling signal representative of combination identification of described decoding data.
13. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 12, it is characterized in that, also comprise a first in first out storage element, be coupled to this decoding data storehouse, be used for storing described decoding data, and this counting unit is sent interrupt call to microcontroller, makes this microcontroller read the content of this first in first out storage element.
14. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 11 is characterized in that, also comprises:
One multiplexer is coupled to this decoding data storehouse and this counting unit; And
One first in first out storage element is coupled to this multiplexer.
15. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 14 is characterized in that, it can operate on a complete decoding mode, a raw data decoding mode and a software decoding pattern.
16. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 15, it is characterized in that, wherein in this complete decoding mode, this first in first out storage element stores the telecommand that is relevant to described signal periodicity via this multiplexer.
17. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 15, it is characterized in that, wherein in this raw data decoding mode, this first in first out storage element stores the raw data that is relevant to described signal periodicity via this multiplexer.
18. the general decoding device for identifying that is used for the universal remote control receiver as claimed in claim 15, it is characterized in that, wherein in this software decoding pattern, this first in first out storage element directly stores described signal periodicity from this counting unit via this multiplexer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101262399A CN101127156B (en) | 2006-08-17 | 2006-08-17 | Universal code identifying device for universal remote control receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101262399A CN101127156B (en) | 2006-08-17 | 2006-08-17 | Universal code identifying device for universal remote control receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101127156A true CN101127156A (en) | 2008-02-20 |
| CN101127156B CN101127156B (en) | 2012-02-08 |
Family
ID=39095177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101262399A Expired - Fee Related CN101127156B (en) | 2006-08-17 | 2006-08-17 | Universal code identifying device for universal remote control receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101127156B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751768A (en) * | 2008-12-09 | 2010-06-23 | 晨星软件研发(深圳)有限公司 | Decoding method and device thereof |
| CN102254418A (en) * | 2011-07-28 | 2011-11-23 | 管湘芸 | Method for learning infrared code |
| CN103729998A (en) * | 2013-12-09 | 2014-04-16 | 乐视致新电子科技（天津）有限公司 | Decoding method and device |
| CN104242880A (en) * | 2014-09-15 | 2014-12-24 | 小米科技有限责任公司 | Signal generating method and device and electronic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419811C (en) * | 2003-11-11 | 2008-09-17 | 浙江中控技术股份有限公司 | Infrared signal learning type control device and method |
-
2006
- 2006-08-17 CN CN2006101262399A patent/CN101127156B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751768A (en) * | 2008-12-09 | 2010-06-23 | 晨星软件研发(深圳)有限公司 | Decoding method and device thereof |
| CN102254418A (en) * | 2011-07-28 | 2011-11-23 | 管湘芸 | Method for learning infrared code |
| CN103729998A (en) * | 2013-12-09 | 2014-04-16 | 乐视致新电子科技（天津）有限公司 | Decoding method and device |
| CN104242880A (en) * | 2014-09-15 | 2014-12-24 | 小米科技有限责任公司 | Signal generating method and device and electronic device |
| CN104242880B (en) * | 2014-09-15 | 2017-02-15 | 小米科技有限责任公司 | Signal generating method and device and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101127156B (en) | 2012-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101237441B (en) | I2c bus control circuit | |
| US10958110B2 (en) | Parallel voltage and current multiple amplitude shift key demodulation | |
| CN102881150B (en) | infrared remote control signal learning module and remote control device | |
| CN101127156B (en) | Universal code identifying device for universal remote control receiver | |
| CN101719310B (en) | Long-distance infrared remote-controlled device and method used for embedded equipment | |
| CN101404113A (en) | Method for implementing infrared remote control decoding by software in embedded system | |
| CN101123035A (en) | Remote control receiving device and method based on infrared | |
| CN101291400A (en) | Television indicating user to operate remote control by screen | |
| CN111245567B (en) | Decoding and encoding system and method for IRIG-B (DC) code | |
| CN111225258A (en) | Display apparatus and control method thereof | |
| CN201174169Y (en) | General decoding identifying apparatus used for general remote control receiver | |
| CN100435074C (en) | Television infrared remote-receiver for notebook computer and receiving method | |
| CN112511289B (en) | Hardware decoding device supporting one-wire communication and radio frequency | |
| CN101211506B (en) | Remote control coding method | |
| CN110942612A (en) | Remote controller control method, remote controller and remote controller system | |
| CN202565422U (en) | Set top box-based learning-type remote control system | |
| US8072315B2 (en) | Method and apparatus for universally decoding commands of a remote controller | |
| CN101365078B (en) | Remote control command code forwarding method for television set receiver | |
| CN101290709A (en) | Anti-jamming remote controlling device | |
| CN103377550B (en) | Composite decoding method and device for infrared signal | |
| CN101867843A (en) | Method for shortening operation time of remote control of LCD TV production line | |
| CN202816123U (en) | Multifunctional same frequency interference-resistance radio telecontrol module | |
| CN204945971U (en) | A kind of touch frame | |
| CN221149189U (en) | Wireless composite intelligent switch | |
| CN201549069U (en) | Keystroke code circuit and remote control transmitting circuit using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20190817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |