CN100341008C - Method for remote controlling multi-separate CPU systems using single remote controller - Google Patents

Method for remote controlling multi-separate CPU systems using single remote controller Download PDF

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Publication number
CN100341008C
CN100341008C CNB2005100210392A CN200510021039A CN100341008C CN 100341008 C CN100341008 C CN 100341008C CN B2005100210392 A CNB2005100210392 A CN B2005100210392A CN 200510021039 A CN200510021039 A CN 200510021039A CN 100341008 C CN100341008 C CN 100341008C
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remote
remote control
control
master cpu
cpu
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CNB2005100210392A
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CN1737866A (en
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李鸿安
白骥
徐勇
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Shenzhen Skyworth RGB Electronics Co Ltd
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Shenzhen Skyworth RGB Electronics Co Ltd
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Abstract

The present invention discloses a method for controlling a plurality of independent CPU systems in a remote control way by a single remote controller. The present invention is characterized in that a key code classification query table is solidified in a control program of a main control CPU system; a switch key which is used for judging and switching the states of the system is arranged on the single remote controller; in the logical process of the present invention, remote control signals are sent out; code translation is controlled in the remote control way; the states are judged whether the states are the commands of the main control CPU system, if true, corresponding operation is executed directly, else the key code classification query table is invoked; the types of codes are selected; a controlled system is determined; electrical level time sequence is controlled in a simulative remote control; simulative remote control signals are directly transmitted to the input port of the remote control signals of a corresponding slave remote-controlled system by conducting wires; the slave remote-controlled system is processed by decoding and executes corresponding operation according to the remote control commands. The slave remote-controlled system which participates in integration needs not change hardware and software; therefore, the communication interface and the microcontroller MCU are not needed, but the code translation of the hardware is used. The present invention has the advantages of simple integration, convenient interface, stabilization, reliability, economy, practicality, and wide range of the systems which are suitable for participating in the integration.

Description

Method with a plurality of separate CPU systems of single remote remote control
Technical field
The present invention relates to signal tranmission techniques, especially relate to a kind of method with a plurality of separate CPU systems of single remote remote control by the no lead electric wiring sign that adopts.
Background technology
Present liquid crystal TV set LCDTV has telepilot, the set-top box and the VCD player DVD that watch the Digital Television adapted also have telepilot, these control of remote controller are complete independent, mutually noninterferes, they to be combined and only continue to employ a telepilot and control, the problem of the serious conflict of guidance command can take place.Existing ways of addressing this issue has two kinds usually, first method is to adopt single remote, the reception head of each autonomous system is gathered together, and telepilot itself made special processing, soon the button on the telepilot is divided into several bulks according to the size of command code, system of every control; Second method is to adopt communication mode, and setting a CPU is master cpu, and other CPU are from control CPU, adopt I 2The communication mode of C bus or SCI, SPI sends to corresponding instruction among separately the CPU by communication interface.The defective of first method is: 1) need to revise telepilot, increased the complicacy of integrating; 2) because the actions menu of each system is all very complicated usually, and single remote is difficult to be equipped with the number of keys that can satisfy a plurality of systems needs, and it is not enough that number of keys is seriously felt, and this method can not adopt multiplexing button; 3), integrate and unify with regard to a telepilot that can not adopt this method at all if CPU separately adopts dissimilar codings to carry out remote control.The defective of second method is: 1) need each system that the uniform communication interface is all arranged, and be occupied specially, for not idle I 2The system of the CPU of communication interfaces such as C bus or SCI, SPI, master cpu with from system communicate by letter meeting relatively the difficulty; 2) need to revise from controlling the system software of system, strengthened the work complexity of integrating, reduced the reliability of system works; 3) communication and the Coordination Treatment more complicated of a plurality of CPU of exploitation; 4) be not easy to use ready-made module or product; 5) those no CPU are adopted the hardware decoding process receive remote signal from system, can not adopt this method to integrate and unify.
Summary of the invention
Technical matters to be solved by this invention is the defective that remedies prior art, proposes a kind of method with a plurality of separate CPU systems of single remote remote control that is different from above-mentioned two kinds of methods.
Technical matters of the present invention is solved like this:
This method with a plurality of separate CPU systems of single remote remote control, be included in and select wherein to have the system of a separate CPU in a plurality of systems that participate in integrating for receiving master cpu system from all orders of single remote, there is idle I/O port in described master cpu system, and described single remote is exactly first wife's telepilot of this master cpu system.
The characteristics of this method with a plurality of separate CPU systems of single remote remote control are:
Be solidified with the key classification inquiry table in the control program of master cpu system, described key classification inquiry table record is from the type (for example NEC sign indicating number or RC5 sign indicating number) of the remote control mode of control system needs, the user code and the command code of remote control; After the master cpu system receives remote control mode as terminal, the guidance command branch be passed to respectively, the key classification inquiry table is set make each controlled system obtain coordinating, be unlikely to cause confusion from the control system.
The switch key of judgement and switched system state is set on single remote, no matter system's current state how, as long as the master cpu system receives the remote signal that this switch key sends, master cpu just is interrupted, change over to remote signal is carried out remote control decoding processing, parsing the corresponding command sign indicating number is stored in the interim memory field, by the program of master cpu total system being carried out state then judges, whether be the order of master cpu system, whether need this remote signal is carried out special processing, determine that promptly this command code is the order which system needs, belong to the order of remote control master cpu system, just directly operate accordingly according to corresponding command execution; Belong to the order of remote control from the control system, just call key classification inquiry table query-related information, select type of coding and definite controlled system promptly to judge the concrete object of the current command, which what order from the control system the current command is at; Be provided with and judge and to make single remote under various states, realize different functions respectively with the switching bond energy of switched system state, become can a plurality of separate CPU systems of multiplexing remote control telepilot.
After selecting type of coding and definite controlled system,, call different trans-coding treatment methods and simulate the type remote control mode, according to being somebody's turn to do the remote control coding modes of using from the control system by the master cpu system if the NEC sign indicating number, just call the program of simulation NEC sign indicating number, simulate the NEC sign indicating number; If RC5 sign indicating number, just call the program of simulation RC5 sign indicating number, simulate the NEC sign indicating number, and under the timer of master cpu is accurately controlled, make the sequential working of selected I/O port in strict accordance with the type remote control mode, the analog telecommand level sequential of this I/O mouth output is exactly a mimicked remote control signals, directly is delivered to corresponding remote signal input port from the control system with lead, from the control system mimicked remote control signals that is received is carried out decoding processing, carry out corresponding operation according to the corresponding guidance command that obtains; Realize that above-mentioned remote control does not need its first wife's telepilot from the control system, and needn't revise the hardware components of first wife's telepilot of master cpu system itself, can a plurality of separate CPU systems of remote control with single remote, also mean a plurality of telepilots are merged into a single whole.
Technical matters of the present invention can be solved so according to qualifications:
It is a plurality of from the control system that described participation is integrated, can be have can be used as the communication interface that receives the corresponding remote signal input port that the idle I/O mouth of master cpu system sends from the control system, also can be with lead directly receive the corresponding remote signal that the idle I/O mouth of master cpu system sends no communication interface from the control system.
Described communication interface comprises I 2C, SCI, or SPI communication interface.
Technical matters of the present invention can further be solved like this:
It is a plurality of from the control system that described participation is integrated, can be not with microcontroller MCU but adopt hardware decoding from the control system.
A plurality of remote control modes from the control system that described participation is integrated comprise NEC sign indicating number or RC5 sign indicating number.
A plurality of remote signals from the control system that described participation is integrated can be dissimilar remote signals, as long as the dissimilar remote signal of simulation that the idle I/O mouth of master cpu system can send, and can be got final product by corresponding remote signal input port reception from the control system.
Described dissimilar remote signal comprises radio remote-controlled signal, sound remote signal, ultra-sonic remote control signal, or infrared remote control signal.
Described single remote is radio remote controller, sound telepilot, ultra-sonic remote control device, or infrared remote controller.
Described single remote is infrared remote controller preferably, and corresponding remote signal is an infrared remote control signal.Infrared remote control technology is the most complicated, but the most exquisite.
Described single remote is to have that to cover whole system function and some be to be the telepilot of the button of each system multiplexing.Described multiplexing button comprises navigation key up and down.
Essence of the present invention is with the function set of a plurality of telepilots or together multiplexing, to realize a plurality of controls from the control system to participating in integrating.Solved existing remote controller key lazy weight, can not realize the complicated operation menu, can not realize that direct communication between the module, integration system have different coding type remote control mode, and when integrating, need revise from the problem of control system software.The advantage of the inventive method is to integrate any plural a plurality of systems that have a cpu system at least with distant control function, what participate in integrating needn't change hardware and software from the control system, they can be no communication interface from the control system, also can be not with microcontroller MCU but adopt hardware decoding from the control system, and remote signal can be dissimilar remote signal.Have the system scope simple, that interface is convenient, reliable and stable, economical and practical, suitable participation the is integrated characteristics widely of integrating.
Description of drawings
Below the contrast accompanying drawing and in conjunction with embodiment the invention will be further described.
Fig. 1 is a plurality of system configuration synoptic diagram of the inventive method one embodiment.
Fig. 2 is the logical process synoptic diagram of the inventive method one embodiment.
Embodiment
The method of the single Infrared remote controller remote control of a kind of usefulness CAR-DVD, built-in set-top box, digital TV three systems
The inventive method is set digital TV in three systems that above-mentioned participation is integrated be the master cpu system, and CAR-DVD and built-in set-top box are respectively from control system 1, from control system 2.The master cpu system receives from all orders of single Infrared remote controller.When being in the TV broadcast state, all buttons on the Infrared remote controller all are used to control TV; After switching to the DVD broadcast state, the part button on the Infrared remote controller is the button of TV function no longer just, and the control program of master cpu system can judge which button is control DVD, and which button still is used to control TV; After switching to digital TV accepting state, set-top box is started working, and the part button on the Infrared remote controller is transformed into again and is used for the controller top box.The transformation of above-mentioned Infrared remote controller function all is to realize that by the control program of master cpu system the hardware components of telepilot itself is not done any change, does not also do any change from control DVD of system and set-top box.
Be solidified with the key classification inquiry table in the control program of the master cpu system digits TV of this embodiment, described key classification inquiry table record is from the type of the remote control mode of control system needs, for example user code and the command code of NEC sign indicating number or RC5 sign indicating number, remote control.
The switch key of judgement and switched system state is set on Infrared remote controller, no matter system's current state how, as long as master cpu system digits TV receives the remote signal that this switch key sends, master cpu just is interrupted, change over to remote signal is carried out remote control decoding processing, parsing the corresponding command sign indicating number is stored in the interim memory field, by the program of master cpu total system being carried out state then judges, whether be the order of master cpu system, whether need this remote signal is carried out special processing, determine that promptly this command code is the order which system needs, belong to the order of remote control master cpu system digits TV, just directly operate accordingly according to corresponding command execution; Belong to remote control from control system 1, from the order of control system 2, just call key classification inquiry table query-related information, judge the concrete object of the current command, promptly which what order from the control system the current command is at, selects type of coding and definite controlled system.
After judging the concrete object of the current command, by master cpu system digits TV according to the remote control coding modes that should use from control system 1, from control system 2, call different trans-coding treatment methods and simulate the type remote control mode, if NEC sign indicating number, just call the program of simulation NEC sign indicating number, simulate the NEC sign indicating number; If RC5 sign indicating number, just call the program of simulation RC5 sign indicating number, simulate the NEC sign indicating number, and under the timer of master cpu is accurately controlled, make the sequential working of selected I/O port in strict accordance with the type remote control mode, the analog telecommand level sequential of this I/O mouth output is exactly a mimicked remote control signals, directly be delivered to corresponding remote signal input port with lead from the control system, from control system 1, carry out decoding processing, carry out corresponding operation according to the corresponding guidance command that obtains from 2 pairs of mimicked remote control signals that received of control system.
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 with a plurality of separate CPU systems of single remote remote control, be included in and select wherein to have the system of a separate CPU in a plurality of systems that participate in integrating for receiving master cpu system from all orders of single remote, there is idle I/O port in described master cpu system, described single remote is exactly first wife's telepilot of this master cpu system, it is characterized in that:
Be solidified with the key classification inquiry table in the control program of master cpu system, described key classification inquiry table record is from the type of the remote control mode of control system needs, the user code and the command code of remote control;
The switch key of judgement and switched system state is set on single remote, no matter system's current state how, as long as the master cpu system receives the remote signal that this switch key sends, master cpu just is interrupted, change over to remote signal is carried out remote control decoding processing, parsing the corresponding command sign indicating number is stored in the interim memory field, by the program of master cpu total system being carried out state then judges, whether be the order of master cpu system, whether need this remote signal is carried out special processing, determine that promptly this command code is the order which system needs, belong to the order of remote control master cpu system, just directly operate accordingly according to corresponding command execution; Belong to the order of remote control from the control system, just call key classification inquiry table query-related information, select type of coding and definite controlled system promptly to judge the concrete object of the current command, which what order from the control system the current command is at;
After selecting type of coding and definite controlled system, should be by master cpu system basis from the remote control coding modes of control system use, call different trans-coding treatment methods and simulate the type remote control mode, and under the timer of master cpu is accurately controlled, make the sequential working of selected I/O port in strict accordance with the type remote control mode, the analog telecommand level sequential of this I/O mouth output is exactly a mimicked remote control signals, directly be delivered to corresponding remote signal input port with lead from the control system, from the control system mimicked remote control signals that is received is carried out decoding processing, carry out corresponding operation according to the corresponding guidance command that obtains.
2. according to the described method of claim 1, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
It is a plurality of from the control system that described participation is integrated, can be have can be used as the communication interface that receives the corresponding remote signal input port that the idle I/O mouth of master cpu system sends from the control system, also can be with lead directly receive the corresponding remote signal that the idle I/O mouth of master cpu system sends no communication interface from the control system.
3. according to the described method of claim 2, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
Described communication interface comprises I 2C, SCI, or SPI communication interface.
4. according to the described method of claim 3, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
It is a plurality of from the control system that described participation is integrated, can be not with microcontroller but adopt hardware decoding from the control system.
5. according to the described method of claim 4, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
A plurality of remote control modes from the control system that described participation is integrated comprise NEC sign indicating number or RC5 sign indicating number.
6. according to the described method of claim 5 with a plurality of separate CPU systems of single remote remote control, it is characterized in that: a plurality of remote signals from the control system that described participation is integrated can be dissimilar remote signals, as long as the dissimilar remote signal of simulation that the idle I/O mouth of master cpu system can send, and can be got final product by corresponding remote signal input port reception from the control system.
7. according to the described method of claim 6, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
Described dissimilar remote signal comprises radio remote-controlled signal, sound remote signal, ultra-sonic remote control signal, or infrared remote control signal.
8. according to the described method of claim 7, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
Described single remote is radio remote controller, sound telepilot, ultra-sonic remote control device, or infrared remote controller.
9. according to the described method of claim 8, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
Described single remote is an infrared remote controller.
10. according to the described method of claim 9, it is characterized in that with a plurality of separate CPU systems of single remote remote control:
Described single remote is to have that to cover whole system function and some be to be the telepilot of the button of each system multiplexing.
CNB2005100210392A 2005-06-01 2005-06-01 Method for remote controlling multi-separate CPU systems using single remote controller Expired - Fee Related CN100341008C (en)

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Publication number Priority date Publication date Assignee Title
CN100592345C (en) * 2007-01-19 2010-02-24 深圳华普数码有限公司 Method for implementing remotely controlling household appliances by a plurality of remote controllers
CN101311980B (en) * 2007-05-22 2010-06-02 仁宝电脑工业股份有限公司 Multimedia system control device, system and method
CN102340703B (en) * 2010-07-16 2014-04-02 深圳Tcl新技术有限公司 IPTV and remote controller key reusing method
CN102385795B (en) * 2010-08-30 2013-05-15 厦门华侨电子股份有限公司 Method and device for controlling multiple systems based on single group of infrared receiving devices
CN105513333B (en) * 2014-09-22 2019-01-04 Tcl集团股份有限公司 A kind of infrared centralized control method and system of more equipment
CN105261182B (en) * 2015-10-30 2020-07-03 珠海优特智厨科技有限公司 Interpretation method of remote control instruction and control equipment
CN105679004A (en) * 2016-01-06 2016-06-15 深圳市创维群欣安防科技有限公司 Method and system for controlling multiple slave devices with main device
CN112581742A (en) * 2020-12-02 2021-03-30 广州朗国电子科技有限公司 Method and device for controlling electronic whiteboard through infrared remote control and storage medium
CN118011932B (en) * 2024-02-26 2024-10-15 重庆宁来科贸有限公司 Selection determination type control circuit

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