CN1968348A - Method and circuit for remote control of set top box by TV set - Google Patents
Method and circuit for remote control of set top box by TV set Download PDFInfo
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- CN1968348A CN1968348A CN 200610062305 CN200610062305A CN1968348A CN 1968348 A CN1968348 A CN 1968348A CN 200610062305 CN200610062305 CN 200610062305 CN 200610062305 A CN200610062305 A CN 200610062305A CN 1968348 A CN1968348 A CN 1968348A
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Abstract
The invention relates to a method for remotely controlling the set-top box of TV, wherein it comprises TV learns set-top box remote-control code at first time. and the learn process comprise that: (1), controlling TV to learn set-top box remote controller; (2), storing remote control code and building relation between remote control code and TV operation. And the following remote control comprises that: (1), selecting and reading remote control code; (2), sending remote control code to the set-top box. The invention also discloses a relative remote control circuit, with microcontroller with signal recognition and decode storage self-learn program. The TV has RS232 serial interface and connected infrared remote control emission diode. The invention can control TV remote controller to control TV and set-top box.
Description
Technical field
The present invention relates to the remote control thereof of electrical appliance, especially relate to a kind of television set carries out remote control to set-top box method and circuit.
Background technology
Existing Digital Television solution the most widely is that the collocation by set-top box and ordinary numbers HDTV (High-Definition Television) realizes.Not only television set can be accepted original simulated television, keeps mature technique and controlled cost, and set-top box can separately sell, to adapt to various places difference decryption systems and program provider.Yet, television set and set-top box are from use angle, all be to watch program, should be one, yet need control respectively, because the control line that is not connected between television set and the peripheral electrical device that comprises set-top box, the equipment with two different remote controllers, the program of solidifying in the television set master controller can not be controlled peripheral electrical device, equipment, therefore, make troubles for the daily TV programme of watching, also restricted the expansion of television set function.For example use set-top box watch the user of TV be at present can not the timed recording television set program, the subscription and video recording of liquid crystal TV set is the information such as the program channel that will record a video number, video recording time started, concluding time that preset by the user because can record a video, will control the corresponding operation of execution at the time television set master controller of setting, the state that is included in standby starts television set, automatically switching channels automatically, carries out automatic video recording.The program of solidifying in the liquid crystal TV set master controller owing to can record a video lacks the controlling platform to top-set hardware, the startup video recording operation that the television set that uses set-top box to control can not be automatic, intelligent, thereby, restricted the use of the liquid crystal TV set of can recording a video.
Summary of the invention
A technical problem to be solved by this invention is the defective that remedies prior art, proposes a kind of television set carries out remote control to set-top box method.Make the user only just can control television set and set-top box simultaneously, alleviate user's operation burden with TV remote controller; And for television set provides the platform that can control peripheral electrical device, equipment, to expand television function.
Another technical problem to be solved by this invention is the defective that remedies prior art, proposes a kind of television set carries out remote control to set-top box circuit.
Concerning set-top box was carried out the method for remote control, technical problem of the present invention was solved by the following technical programs for television set:
The method that this television set carries out remote control to set-top box comprises television set self-learning machine top box remote control mode when using first, and television set carries out remote control to set-top box after self study.
Described television set is self-learning machine top box remote control mode when using first, may further comprise the steps:
(1) control television set study set-top box remote controller
Enter " self study of set box remote control sign indicating number " menu, menu prompting is earlier pressed any button of set-top box remote controller, and the set box remote control sign indicating number self study program of television set identifies the remote control mode type that set-top box remote controller uses according to the guidance code information of remote control mode; Menu is reresented by set-top box remote controller and is treated switch, the television set master controller calls corresponding decoding program remote control mode is carried out decoding processing, obtain the remote control mode after the decoding processing, send the control store instruction simultaneously, the storage set-top box remote controller is treated the remote control mode of switch;
(2) the storage remote control mode and between operation at remote control mode and television set foundation related
The television set master controller with remote control mode according to the numbering of setting with the categorical data of set-top box remote controller and the corresponding remote control mode storage of set-top box remote controller major key in nonvolatile memory, and it is corresponding with the correspondent button of TV remote controller, comprise that TV remote controller treats that switch and set-top box remote controller treat that switch is corresponding, between the operation of TV remote controller and set-top box remote controller, set up related, through the prompting in the repeating step (1) repeatedly, under menu-guided, finish the set box remote control sign indicating number self study process of television set;
Described television set carries out remote control to set-top box after self study, may further comprise the steps:
(1) selects reading machine top box remote control mode
When the user has by a certain action need of television set control execution, press the respective keys of TV remote controller, the television set master controller reads the corresponding remote control mode data that are stored in the nonvolatile memory with this TV remote controller corresponding set-top box remote controller key when carrying out this keypress function;
(2) send remote control mode to the set-top box simulation
The television set master controller is by the Infrared Remote-Control Sending diode on the cable that is connected television set RS232 serial line interface, send the remote control mode that comprises level clock signal and infrared carrier signal to the set-top box simulation, as sending the remote control mode that comprises level clock signal and infrared carrier signal to set-top box with set-top box remote controller, after the infrared remote control receiving-member of set-top box receives the remote control mode that the television set master controller sends, carry out the user by the set-top box master controller and need corresponding operation, operation when finishing TV remote controller television set and set-top box.Realize that TV remote controller can control the purpose that television set again can the controller top box.
Concerning set-top box was carried out the method for remote control, technical problem of the present invention was solved by following further technical scheme for television set:
Described television set is self-learning machine top box remote control mode when using first, further may further comprise the steps:
(1) control television set study set-top box remote controller
Behind the television set master controller electrification reset, earlier its timer internal, I/O mouth are carried out initialization, and allow the I/O mouth to interrupt, after starting the self study program, the learning process that enters a remote control mode, fracture among the I/O of monitoring input infrared signal;
When receiving infrared input signal, the television set master controller adopts the method for timer timing, software counting, measure the width of the input pulse high-low level of external interrupt mouth, the external interrupt mouth is a high level when static, the infrared remote coding signal that when receiving set-top box remote controller, sends at a certain operating function button of corresponding execution, the external interrupt mouth skips to low level, and preserve timer therefrom the fracture high level to the low level elapsed time, be guidance code, further identify the remote control mode which kind of type remote control mode belongs to by guidance code;
(2) the storage remote control mode and between operation at remote control mode and television set foundation related
Adjust the time set of timer according to the type of remote control mode, note the address code/systematic code and the numeric data code of input remote control mode successively, and be stored in the nonvolatile memory by the television set master controller;
Enter the learning process of next remote control mode, once more fracture among the I/O of monitoring input infrared signal;
Between the operation of TV remote controller and set-top box remote controller, set up relatedly,, under menu-guided, finish the set box remote control sign indicating number self study process of television set through the prompting in the repeating step (1) repeatedly.
Described remote control mode data comprise guidance code, user identification code, numeric data code in remote control mode type and the remote control mode.
The type of described remote control mode comprises NEC sign indicating number, RC5 sign indicating number, Philips sign indicating number and Toshiba sign indicating number.The digital code of standard is modulated on the carrier wave, by the emission of Infrared Remote-Control Sending assembly and by being received by the infrared receiving unit of remote control device, separating the reduction digital signal from carrier wave, is the remote control mode and the control corresponding function thereof of which kind of type by CPU decoding identification again, is carried out by controller.
Concerning set-top box was carried out the circuit of remote control, technical problem of the present invention was solved by the following technical programs for television set:
The circuit that this television set carries out remote control to set-top box comprises the television set master controller that is provided with external interrupt mouth and nonvolatile memory, and described external interrupt mouth is connected with the TV remote-control receiving-member, and described nonvolatile memory passes through I
2The C bus is connected with the television set master controller.
The characteristics that this television set carries out the circuit of remote control to set-top box are:
Described television set master controller is the microcontroller that is solidified with the set box remote control sign indicating number self study program that comprises signal identification and decode stored, described self study program is started by the learning-oriented button on the TV remote controller, relative set " self study of set box remote control sign indicating number " option in the menu that television screen shows;
Described television set is provided with RS232 serial line interface and coupled Infrared Remote-Control Sending diode, the anode of described Infrared Remote-Control Sending diode is connected a pin of RS232 serial line interface plug by cable, pin of corresponding RS232 serial line interface socket and television set master controller are continuous with an output of the bleeder circuit that DC power supply is connected, the negative electrode of described Infrared Remote-Control Sending diode is connected another pin of RS232 serial line interface plug by cable, another pin of corresponding RS232 serial line interface socket, an output expanding the amplifying circuit that is connected with the I/O mouth with the Infrared Remote-Control Sending of television set master controller links to each other, described bleeder circuit, another output of amplifying circuit is public ground, and transmitting of described Infrared Remote-Control Sending diode received by set-top box infrared remote control receiving-member.
Concerning set-top box was carried out the circuit of remote control, technical problem of the present invention was solved by following further technical scheme for television set:
Described television set master controller is the microcontroller that meets the following conditions at least:
(1) can carry out decoding processing to the set box remote control sign indicating number;
(2) instruction cycle is less than 13 μ s at least, is the requirement of 38KHz to adapt to remote control mode transmission carrier wave.
Described television set master controller is the microcontroller that comprises 8051 karyonides row, PIC series and part A RM series.
Preferably, described television set master controller is the microcontroller of 8051 karyonides row.
Described nonvolatile memory is a kind of in flash memory, ferroelectric storage, magnetoresistive memory and the phase transition storage.
Preferably, described nonvolatile memory is band I
2A kind of in the 93 serial serial erasable memories of 24 serial serial storagies of C interface, band SPI interface.
Described bleeder circuit is a resistor voltage divider circuit, and its function is to provide working power for the Infrared Remote-Control Sending diode.
Described amplifying circuit is a kind of in transistor amplifying circuit, the operational amplification circuit, and its function is for the Infrared Remote-Control Sending diode provides enough drive currents, improves the transmission reliability of telecontrol code.
The beneficial effect that method of the present invention and circuit are compared with the prior art is as follows:
Method of the present invention and circuit have solved the problem that is electrically connected between television set, two independent electrical equipment of set-top box, television set has increased the remote control mode self-learning function, and has corresponding Infrared Remote-Control Sending ability, make television set have the function of the peripheral electrical device of control, equipment, by comprising the special purpose interface after an end is connected in television set, the cable that the other end has infrared-emitting diode, the user only operates TV remote controller just can control television set and set-top box, alleviates user's operation burden.It is simple, reliable that remote control thereof of the present invention and circuit have control procedure, and the characteristics that the circuit cost increase is very few for television set provides the platform that can control peripheral electrical device, equipment, help the expansion of TV set intelligentization, hommization function.
Description of drawings
Below in conjunction with embodiment and contrast accompanying drawing the invention will be further described.
Fig. 1 is the television set of the specific embodiment of the invention carries out remote control to set-top box a circuit diagram;
Fig. 2 is Fig. 1 circuit carries out remote control to set-top box a process schematic diagram.
Embodiment
A kind of liquid crystal TV set that is used for recording a video carries out remote control to set-top box method and circuit
The circuit that this liquid crystal TV set that is used for recording a video carries out remote control to set-top box comprises the television set master controller 2 that is provided with external interrupt mouth I/O-1 and nonvolatile memory 1 as shown in Figure 1, and external interrupt mouth I/O-1 is connected with TV remote-control receiving-member 3.Nonvolatile memory 1 is that model is the band I of 24C32
2The E of C interface
2PROM passes through I
2The C bus is connected with television set master controller 2.Television set master controller 2 employing models are 791632 8051 karyonide row microcontrollers, and this micro-controller instructions cycle, adapting to remote control mode transmission carrier wave was the requirement of 38KHz, can carry out decoding processing to the set box remote control sign indicating number less than 13 μ s.It is the integrated infrared receiving terminal of SFH-506-38 that TV remote-control receiving-member 3 adopts model.
Described television set master controller 2 is solidified with the set box remote control sign indicating number self study program that comprises signal identification and decode stored, described self study program is started by the learning-oriented button on the TV remote controller, corresponding being provided with " self study of set box remote control sign indicating number " option in the menu that television screen shows;
The Infrared Remote-Control Sending diode D that described television set is provided with the RS232 serial line interface and links to each other with the RS232 serial line interface, the anode of described Infrared Remote-Control Sending diode D is connected the pin 5 of RS232 serial line interface plug by cable, a pin of corresponding RS232 serial line interface socket links to each other with an output of the resistor voltage divider circuit of being made up of resistance R 1, R2, and an input of described resistor voltage divider circuit links to each other with television set master controller 2 usefulness DC power supply+5V; The negative electrode of described Infrared Remote-Control Sending diode D is connected the pin 4 of RS232 serial line interface plug by cable, another pin of corresponding RS232 serial line interface socket links to each other with an output of transistor amplifying circuit, an input of described transistor amplifying circuit links to each other with the I/O-2 mouth with the Infrared Remote-Control Sending expansion of television set master controller 2, another input of described resistor voltage divider circuit, transistor amplifying circuit and another output are public ground, and the model of the transistor VT in the transistor amplifying circuit is 1R1001; Transmitting of described Infrared Remote-Control Sending diode received by set-top box infrared remote control receiving-member.
The method that this liquid crystal TV set that is used for recording a video carries out remote control to set-top box comprises television set self-learning machine top box remote control mode when using first, and television set carries out remote control to set-top box after self study.
The described liquid crystal TV set self-learning machine top box remote control mode when using first that is used for recording a video may further comprise the steps:
(1) control television set study set-top box remote controller;
(2) the storage remote control mode and between operation at remote control mode and television set foundation related.
The described liquid crystal TV set that is used for recording a video carries out remote control to set-top box after self study, may further comprise the steps:
(1) selects reading machine top box remote control mode;
(2) send remote control mode to the set-top box simulation.
Adopt the inventive method, the user can be as the biconditional operation television set the straighforward operation set-top box, finish the following steps of subscription and video recording successively:
Start: during preceding two minutes of time started, the television set master controller is opened the power supply of television set inside automatically in video recording, and all modules are started working in the television set, and TV enters normal use pattern;
Switching channels: during last minute of time started, the television set master controller just begins the action of switching channels, comprises passing through I in video recording
2The C bus reads E
2The program channel data of PROM the inside, and pass through I
2The C bus sends to program channel data in the tuner, and tuner changes frequency immediately to desired program channel, the programme information that output requires;
Video recording: in video recording time started when consistent with system time, the television set master controller is from I
2The C bus sends video recording orders the control picture recording module to begin video recording, constantly compares record task concluding time and system time simultaneously, waits the finish command to be sent;
Finish video recording: when record task finished, the television set master controller sent the finish command control picture recording module and stops video recording;
Standby: after record task finished, the television set master controller turn-offed the power supply of television set inside, enters standby mode.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (10)
1. method that television set carries out remote control to set-top box is characterized in that:
Comprise television set self-learning machine top box remote control mode when using first, and television set carries out remote control to set-top box after self study;
Described television set is self-learning machine top box remote control mode when using first, may further comprise the steps:
(1) control television set study set-top box remote controller
Enter " self study of set box remote control sign indicating number " menu, menu prompting is earlier pressed any button of set-top box remote controller, and the set box remote control sign indicating number self study program of television set identifies the remote control mode type that set-top box remote controller uses according to the guidance code information of remote control mode; Menu is reresented by set-top box remote controller and is treated switch, the television set master controller calls corresponding decoding program remote control mode is carried out decoding processing, obtain the remote control mode after the decoding processing, send the control store instruction simultaneously, the storage set-top box remote controller is treated the remote control mode of switch;
(2) the storage remote control mode and between operation at remote control mode and television set foundation related
The television set master controller with remote control mode according to the numbering of setting with the categorical data of set-top box remote controller and the corresponding remote control mode storage of set-top box remote controller major key in nonvolatile memory, and it is corresponding with the correspondent button of TV remote controller, comprise that TV remote controller treats that switch and set-top box remote controller treat that switch is corresponding, between the operation of TV remote controller and set-top box remote controller, set up related, through the prompting in the repeating step (1) repeatedly, under menu-guided, finish the set box remote control sign indicating number self study process of television set;
Described television set carries out remote control to set-top box after self study, may further comprise the steps:
(1) selects reading machine top box remote control mode
When the user has by a certain action need of television set control execution, press the respective keys of TV remote controller, the television set master controller reads the corresponding remote control mode data that are stored in the nonvolatile memory with this TV remote controller corresponding set-top box remote controller key when carrying out this keypress function;
(2) send remote control mode to the set-top box simulation
The television set master controller is by the Infrared Remote-Control Sending diode on the cable that is connected television set RS232 serial line interface, send the remote control mode that comprises level clock signal and infrared carrier signal to the set-top box simulation, as sending the remote control mode that comprises level clock signal and infrared carrier signal to set-top box with set-top box remote controller, after the infrared remote control receiving-member of set-top box receives the remote control mode that the television set master controller sends, carry out the user by the set-top box master controller and need corresponding operation, operation when finishing TV remote controller television set and set-top box.
2. the method for set-top box being carried out remote control according to the described television set of claim 1 is characterized in that:
Described television set is self-learning machine top box remote control mode when using first, may further comprise the steps:
(1) control television set study set-top box remote controller
Behind the television set master controller electrification reset, earlier its timer internal, I/O mouth are carried out initialization, and allow the I/O mouth to interrupt, after starting the self study program, the learning process that enters a remote control mode, fracture among the I/O of monitoring input infrared signal;
When receiving infrared input signal, the television set master controller adopts the method for timer timing, software counting, measure the width of the input pulse high-low level of external interrupt mouth, the external interrupt mouth is a high level when static, the infrared remote coding signal that when receiving set-top box remote controller, sends at a certain operating function button of corresponding execution, the external interrupt mouth skips to low level, and preserve timer therefrom the fracture high level to the low level elapsed time, be guidance code, further identify the remote control mode which kind of type remote control mode belongs to by guidance code;
(2) the storage remote control mode and between operation at remote control mode and television set foundation related
Adjust the time set of timer according to the type of remote control mode, note the address code/systematic code and the numeric data code of input remote control mode successively, and be stored in the nonvolatile memory by the television set master controller;
Enter the learning process of next remote control mode, once more fracture among the I/O of monitoring input infrared signal;
Between the operation of TV remote controller and set-top box remote controller, set up relatedly,, under menu-guided, finish the set box remote control sign indicating number self study process of television set through the prompting in the repeating step (1) repeatedly.
3. the method for set-top box being carried out remote control according to claim 1 or 2 described television sets is characterized in that:
Described remote control mode data comprise guidance code, user identification code, numeric data code in remote control mode type and the remote control mode;
The type of described remote control mode comprises NEC sign indicating number, RC5 sign indicating number, Philips sign indicating number and Toshiba sign indicating number.
4. the circuit that television set carries out remote control to set-top box comprises the television set master controller that is provided with external interrupt mouth and nonvolatile memory, and described external interrupt mouth is connected with the TV remote-control receiving-member, and described nonvolatile memory passes through I
2The C bus is connected with the television set master controller, it is characterized in that:
Described television set master controller is the microcontroller that is solidified with the set box remote control sign indicating number self study program that comprises signal identification and decode stored, described self study program is started by the learning-oriented button on the TV remote controller, relative set " self study of set box remote control sign indicating number " option in the menu that television screen shows;
Described television set is provided with RS232 serial line interface and coupled Infrared Remote-Control Sending diode, the anode of described Infrared Remote-Control Sending diode is connected a pin of RS232 serial line interface plug by cable, pin of corresponding RS232 serial line interface socket and television set master controller are continuous with an output of the bleeder circuit that DC power supply is connected, the negative electrode of described Infrared Remote-Control Sending diode is connected another pin of RS232 serial line interface plug by cable, another pin of corresponding RS232 serial line interface socket, an output expanding the amplifying circuit that is connected with the I/O mouth with the Infrared Remote-Control Sending of television set master controller links to each other, described bleeder circuit, another output of amplifying circuit is public ground, and transmitting of described Infrared Remote-Control Sending diode received by set-top box infrared remote control receiving-member.
5. the circuit that set-top box is carried out remote control according to the described television set of claim 4 is characterized in that:
Described television set master controller is the microcontroller that meets the following conditions at least:
(1) can carry out decoding processing to the set box remote control sign indicating number;
(2) instruction cycle is less than 13 μ s at least, is the requirement of 38KHz to adapt to remote control mode transmission carrier wave.
6. the circuit that set-top box is carried out remote control according to the described television set of claim 5 is characterized in that:
Described television set master controller is the microcontroller that comprises 8051 karyonides row, PIC series and part A RM series.
7. the circuit that set-top box is carried out remote control according to the described television set of claim 6 is characterized in that:
Described nonvolatile memory is a kind of in flash memory, ferroelectric storage, magnetoresistive memory and the phase transition storage.
8. the circuit that set-top box is carried out remote control according to the described television set of claim 7 is characterized in that:
Described nonvolatile memory is band I
2A kind of in the 93 serial serial erasable memories of 24 serial serial storagies of C interface, band SPI interface.
9. the circuit that set-top box is carried out remote control according to the described television set of claim 8 is characterized in that:
Described bleeder circuit is a resistor voltage divider circuit.
10. the circuit that set-top box is carried out remote control according to the described television set of claim 9 is characterized in that:
Described amplifying circuit is a kind of in transistor amplifying circuit, the operational amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100623050A CN100454965C (en) | 2006-08-24 | 2006-08-24 | Method and circuit for remote control of set top box by TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100623050A CN100454965C (en) | 2006-08-24 | 2006-08-24 | Method and circuit for remote control of set top box by TV set |
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| CN1968348A true CN1968348A (en) | 2007-05-23 |
| CN100454965C CN100454965C (en) | 2009-01-21 |
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| CNB2006100623050A Expired - Fee Related CN100454965C (en) | 2006-08-24 | 2006-08-24 | Method and circuit for remote control of set top box by TV set |
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