CN100361516C - Double-processor TV control method and use thereof - Google Patents
Double-processor TV control method and use thereof Download PDFInfo
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- CN100361516C CN100361516C CNB2005100206217A CN200510020621A CN100361516C CN 100361516 C CN100361516 C CN 100361516C CN B2005100206217 A CNB2005100206217 A CN B2005100206217A CN 200510020621 A CN200510020621 A CN 200510020621A CN 100361516 C CN100361516 C CN 100361516C
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Abstract
The present invention discloses a dual-processor TV control method and uses thereof, which relates to the electronic technology, particularly to the control technology of a digital-analog integrated TV, and aims to provide the dual-processor TV control method to provide a compact visual interface and convenient operation for users. The dual-processor TV control method comprises the following steps: a1. a first processor receives a second operation command for a second processor; a2. the first processor transmits the second operation command to the second processor; a3. the second processor executes the second operation command. All uniform operation is executed in a single user interface, so that the users feel easy in use a digital TV like an analog TV. Besides, the present invention also solves digital TV operators' operating difficulty.
Description
Technical field
The present invention relates to electronic technology, particularly the control technology of digital analog integrated TV.
Background technology
Along with the digital broadcast television technology rapid development, China intends closing all anolog TV signals before 2015, add simulated television chance at the digital TV integrated machine of this transition period digital analog compatible in 10 years and set-top box nearly and occupy leading position on Chinese market.But, user interface complexity and disunity when the digital television signal that adds simulated television with set-top box receives, it is extremely inconvenient to make that like this user operates, and great difficulty is also arranged in commercial operation.Formulate the suggestion of the committee according to the Ministry of Information Industry and national standard, recommend exploitation use machine card (pcmcia card+SMART card) to separate the compatible all-in-one of digital simulation TV, be that digital television receiver separates with digital television signal deciphering card, the user of different digital tv networks uses different deciphering cards to watch digital television signal with regard to available same digital television receiver.
Because the compatible all-in-one of digital simulation TV has numeral, simulation two cover circuit, by separately CPU control, has OSD separately respectively, when the user operates TV respectively, need operate respectively numeral, two kinds of forms of simulation, the user is caused very big inconvenience.With OSD is example, and when the user entered " setting ", the OSD that has numeral, simulation two cover systems occurred simultaneously, causes the confusion of operation easily.
On the other hand, the compatible all-in-one of above-mentioned digital simulation TV exists numeral, simulation two cover systems, and the user is when watching program, and the switching between digital program and the analog program quite bothers, the mode of operation that needs user's manual switchover television set is for the user brings inconvenience.
Summary of the invention
Technical problem to be solved by this invention is, a kind of double-processor TV control method is provided, and in other words, provides a kind of unified user interface implementation method, for the user provides succinctly interface intuitively, is convenient to user's operation.
The present invention solve the technical problem the technical scheme that is adopted, and a kind of double-processor TV control method is provided, and it is characterized in that, may further comprise the steps: the a1. first processor receives second operational order to second processor; A2. first processor is sent to second processor with second operational order; A3. second processor is carried out second operational order.
Described step a1 also can judge the controlling object of the order that receives for: first processor, if controlling object be self, belongs to first operational order, then execution; If controlling object is second processor, belong to second operational order, then enter step a2.Described step a3 also can for: second processor is carried out second operational order, and returns current state to first processor.
Described second operational order is to open the OSD of second processor; Also comprise step a4: first processor is according to the OSD of the OSD State Control first processor of second processor.Described step a4 can for: if the OSD state of second processor for opening, is then closed the OSD of first processor.
The invention has the beneficial effects as follows, on the single user interface of indication of the present invention, carry out unified operation, allow the user feel to use Digital Television to follow and use simulated television equally convenient, and solved the running difficulty of digital-TV operator.Simultaneously, the appearance of two CPU digital-to-analogue TV all-in-one single user interface implementation methods can be accelerated the development of China's Digital Television industry greatly, allows the consumer is faster more easily to accept digital TV products and Digital Television paid service.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the concrete communication sequential charts of three row bus serial communication modes.
Fig. 2 is the schematic diagram of embodiments of the invention 1.
Fig. 3 is the schematic diagram of embodiments of the invention 2.
Fig. 4 is the schematic diagram of embodiments of the invention 3.
Fig. 5 is the schematic diagram of embodiments of the invention 4.
Fig. 6 is the schematic diagram of embodiments of the invention 5.
Fig. 7 is the schematic diagram of embodiments of the invention 7.
Embodiment
The invention provides a kind of double-processor TV control method, may further comprise the steps:
A1. first processor receives second operational order to second processor;
A2. first processor is sent to second processor with second operational order;
A3. second processor is carried out second operational order.
The present invention has coordinated the relation between two processors, can specifically apply to solve OSD and show skimble-scamble problem, expansion and performance OSD clauses and subclauses that can clear layer, programs stored and conversion program easily.
The present invention proposes the method that realizes single user interface on the digital simulation TV one of the two CPU of a kind of usefulness.Particular content is as follows:
(1) adopts I between two CPU of digital-to-analogue TV all-in-one
2C communication or three row bus serial communications or other communication modes, make master cpu say the word to from the control CPU and from from the control CPU obtain there from the control CPU operating state or relevant information.
(2) for solving the OSD conflict between the two CPU of digital-to-analogue TV all-in-one, adopting master cpu to send out control command goes to open or close from controlling the OSD of CPU, master cpu removes to open or close the OSD of master cpu according to current state with from what obtain from control CPU from control CPU state information there simultaneously, thereby guarantees to have only simultaneously a kind of OSD to occur.
(3) analog-and digital-program adopts unified program code, need increase the storage of digital simulation mode bit during each program storage, numeral or emulation mode according to current program when changing platform are gone the video channel that automaticallyes switch, and the user only needs can watch all analog or digital TV programme by program add-substract key or numerical key; Maximum TV of simulation maximum program number of part and numerical portion or broadcast program number change all need be told the other side, so that the other side carries out the storage and the adjustment of new program number.
(4) adopt the unified infrared remote control that receives of master cpu also to handle, and control is sent from the required order of control CPU by aforementioned (1) described communication mode; Receive the button processing of being correlated with again after the order of these appointments from control CPU.
(5) clock by single cpu produce (master cpu and from control CPU all can), another CPU receive from the CPU that produces clock there clock information (comprise year, month, day, week, the time, minute, second) show.
(6) search platform and pass through the unified control of search program guide, and order the related menu of going to control from CPU by aforementioned (1) described communication mode transmission by master cpu.Search that platform comprises automatic search, manual search, fine setting and according to NIT table search etc., wherein automatic search and manual search comprise the search of anolog TV signals and digital television signal, fine setting is only effective to anolog TV signals, and is only effective to digital television signal according to the search of NIT table
(7) demonstration of EPG (electronic program guides) user interface also is by the menu unfolding mode of master cpu or directly finishes by the teleswitch mode.
(8) OSD of volume, quiet, image parameter, sound accompaniment parameter, language setting, S-SYSTEM etc. shows and operation comes unified simultaneously finishing by the master cpu of digital-to-analogue machine.Volume, image parameter, sound accompaniment parameter are adjusted by master cpu and are shown, have only fixing value to give master cpu after control CPU start; Quietly finished and shown by master cpu, CPU does not have mute function from control; Master cpu had both worked to master cpu when setting of OSD language and S-SYSTEM are adjusted carrying out, also by send selected order to make from control CPU from CPU also work simultaneously.
As a kind of embodiment, carry out the bidirectional linked list communication by three row bus (STB, CLOCK, DATAOUT, DATAIN) between the MCU (being called for short DTM) of MCU of simulated television receiver (being called for short ATV) and digital television signal reception decoder module, ATV is master control; Send out the STB signal by ATV, begin serially-transmitted data to DTM when ATV produces low level signal, ATV produces serial clock signal and gives DTM simultaneously; After receiving this clock signal, DTM begins to transmit data; ATV sends out data to DTM and finishes by the DATAOUT data wire, and TV receives the DTM data and finishes by the DATAIN data wire, and DATAOUT, DATAIN can carry out simultaneously.Fig. 1 is the concrete communication sequential charts of three row bus serial communication modes, wherein:
1. STB: after high level becomes low level 2ms, begin to transmit data; STB just becomes high level after each packet (comprise 3 bytes, transmit each byte interval 2ms) has transmitted, and keeps high level 6ms, just begins to transmit next packet then again.
2. Clock frequency:4 1.67kHz; Rising edge begins triggering and carries out the data transmission.
3. DATA write:TV sends data to DTM by triplex row universal serial bus mode, and a STB cycle is transmitted the packet of a regular length, and byte of every transmission is waited for 2ms.
4. DATA read:TV obtains data by triplex row universal serial bus mode from DTM, and a STB cycle receives the packet of a regular length, and byte of every reception is waited for 2ms, receives data and send data to carry out simultaneously.
Abnormality detection: detect with CHECK SUM (BYTE1+BYTE2+BYTE3+0FFH) after each packet has transmitted, then retransmit automatically as wrong; If TVMCU has fault, transmits behind the packet mistake 6ms STB and do not become low level and then its pressure is changed to low level; If DTM MCU has fault then to show the DTM communication failure.
Fig. 2 is embodiments of the invention 1, solves the exemplary plot of the OSD collision problem of the two CPU of separation between machine and card digital-to-analogue TV all-in-one.
In the prior art, in legend,,, two kinds of OSD menus are occurred simultaneously by just entering menu II behind the acknowledgement key as if " system's setting " menu item of the I that selects choices from menus.For solving the conflict of two kinds of OSD menus between the two CPU of digital-to-analogue TV all-in-one, the present invention adopts master cpu (first processor) to send out control command and goes to open from controlling the OSD menu II of CPU (second processor), simultaneously master cpu is according to removing close the OSD menu I of master cpu from the information of obtaining from control CPU of opening from control CPUOSD menu II there, thereby guarantees to have only a kind of OSD to appear on the video screen simultaneously.
Fig. 3 is embodiments of the invention 2, and separation between machine and card digital-to-analogue TV all-in-one numeral and analog television program are unified the schematic diagram of method for numbering serial.
Describing analog-and digital-program in the flow chart in detail adopts after the unified program code by the program add-substract key and changes channel or with the direct input specific implementation method of coming switching channels of numerical key.
Need increase the storage of digital simulation pattern position during each program storage, judge earlier when changing platform that current program is numeral or simulation model with numerical key; If being figure pattern, current program judges again whether the program of being imported also is figure pattern, if the program of being imported is that figure pattern then is directly switch to the corresponding digital program channel, then earlier video switch is arrived the analog television program video channel if the program of being imported is a simulation model, switch to corresponding analog program channel again; If current program is that simulation model judges whether the program of being imported is figure pattern again, if being figure pattern, the program of being imported then earlier video switch is arrived the digital television program video channel, switch to the corresponding digital program channel again, if the program of being imported is that simulation model then is directly switch to corresponding analog program channel.For example: this TV searches 100 cover TV programme altogether, and wherein analog program is the 1-35 cover, and digital program is set to 100 covers from 36 exactly.If current program number is 25, master cpu is just ordered video switch again from control CPU to the digital program video channel earlier according to above method digital channel is switched to 50 when being 50 with numerical key input program number; If current program number is 58, when being 23 with numerical key input program number master cpu just according to above method first with video switch to the analog program video channel again analog channel switch to 23; If current program number is 25, when being 28 with numerical key input program number, master cpu just is directly switch to corresponding analog program channel; If current program number is 65, when being 88 with numerical key input program number, CPU just is directly switch to the corresponding digital program channel from control.
When switching program with the program add-substract key, judge earlier whether the pattern of changing the preceding TV programme of platform is consistent with the pattern of the TV programme that will change to, if unanimity then is directly switch to desired numeral or analog television channels, if inconsistent numeral or the analog video passage of then automatically switching to earlier switches to desired numeral or analog program channel again.For example: this TV searches 100 cover TV programme altogether, and wherein analog program is the 1-35 cover, and digital program is set to 100 covers from 36 exactly.If current program number is 35, master cpu is just ordered video switch again from controlling CPU to the digital program video channel earlier according to above method digital channel is switched to 36 when adding key with program and switch to program number and be 36; If current program number is 36, when subtracting key with program and switch to program number and be 35 master cpu just according to above method first with video switch to the analog program video channel again analog channel switch to 35; If current program number is 25, when adding key with program and switch to program number and be 26, master cpu just is directly switch to corresponding analog program channel 26; If current program number is 66, when subtracting key with program and switch to program number 65, CPU just is directly switch to the corresponding digital program channel from control.
Above process is finished automatically by the digital television with separate device and card one, and the user only needs can watch all analog or digital TV programme by program add-substract key or numerical key.
Fig. 4 is embodiments of the invention 3, the reception of separation between machine and card digital-to-analogue TV all-in-one infrared remote control command and the schematic diagram of processing method.
Describe the unified infrared remote control that receives of master cpu in the flow chart in detail and also handle, and the special command of definition is sent, receive the specific implementation method of the button processing of being correlated with again after the order of these appointments from control CPU by serial communication mode.
For example: after the television set master cpu is received the telecontrol code of key up and down, judge whether the OSD menu I of master cpu opens earlier, open as if OSD menu I and then directly use down right and left key and control this menu by master cpu; If opening, OSD menu II represents that then controlling object is from control CPU, sending out a special instruction by master cpu with serial communication mode gives from control CPU, in other words, by master cpu control command is sent to from control CPU, receive from control CPU that this instruction back just turns to automatically and carry out the processing of key up and down, thereby reach control from the OSD menu II of controlling CPU.
Fig. 5 is embodiments of the invention 4, the schematic diagram of separation between machine and card digital-to-analogue TV all-in-one clock, the generation on date and demonstration.
Clearly described in the legend and on two CPU separation between machine and card digital-to-analogue TV one, adopted the unified clock and the specific implementation method on date.Year, month, day among the OSD menu IV, week, the time, grading information is all from the set information of OSD menu III, that is to say and have only a CPU to produce clock, another CPU only shows the clock information that receives and carries out other relevant treatment according to this unified clock, as timed power on/off, fixed program switching etc.
Fig. 6 is embodiments of the invention 5, and the menu operation of separation between machine and card digital-to-analogue TV searching channels of all-in-one and OSD show schematic diagram.
Described among the figure and on two CPU separation between machine and card digital-to-analogue TV one, realized the unified concrete grammar of searching platform.1. menu is the OSD menu of searching platform of master cpu, after choosing " manual search " menu item and pressing acknowledgement key, master cpu according to the analog or digital state of current program open menu 2. or menu 3.; 4. master cpu just opens menu after choosing " search automatically " menu item and pressing acknowledgement key.If " analog television program " menu item of the menu shown in selecting choices from menus 4. and press acknowledgement key after master cpu just open menu 6., search finishes and retreats out automatic search condition; If " digital television program " menu item of the menu shown in selecting choices from menus 4. and press acknowledgement key after master cpu just open menu 7., search finishes and retreats out automatic search condition; If " all programs " menu item of the menu shown in selecting choices from menus 4. and press acknowledgement key after master cpu just open menu 6., finishing in the analog program search, popup menu is 5. automatically in the back.If user's choice menus in 5. "Yes" or in 10 seconds, do not have and select, master cpu is just opened menu and is 7. carried out digital television program and search for automatically, search finishes and retreats out automatic search condition; If the "No" of user's choice menus in 5. just withdraws from automatic search condition immediately, no longer carry out digital television program and search for automatically.
Fig. 7 is embodiments of the invention 6, demonstration and the operation chart of separation between machine and card digital-to-analogue TV all-in-one EPG.
Having introduced EPG (electronic program guides) user interface among the figure also is by the menu unfolding mode of master cpu or the method that directly shows by the teleswitch mode.Open among the figure behind the menu shown in " 1. ", after the user chooses " electronic program guides " menu item and presses acknowledgement key by remote control, master cpu is bristled with anger by three row bus serial modes and is decided order and give from control CPU, after receiving this order, just opens control CPU the demonstration of the electronic program guides shown in " 2. " the figure, at this moment the user can operate EPG with reaching acknowledgement key up and down, can show 7 days EPG information here.
Claims (3)
1, double-processor TV control method is characterized in that, may further comprise the steps:
A1. first processor is judged the controlling object of the order that receives, if controlling object is self, belongs to first operational order, then carries out; If controlling object is second processor, belong to second operational order, then enter step a2;
A2. first processor is sent to second processor with second operational order;
A3. second processor is carried out second operational order, and returns current state to first processor.
2, double-processor TV control method as claimed in claim 1 is characterized in that, described second operational order is to open the OSD of second processor; Also comprise step a4: first processor is according to the OSD of the OSD State Control first processor of second processor.
3, double-processor TV control method as claimed in claim 2 is characterized in that, described step a4 is: if the OSD state of second processor is then closed the OSD of first processor for opening.
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| CNB2005100206217A CN100361516C (en) | 2005-03-31 | 2005-03-31 | Double-processor TV control method and use thereof |
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| CNB2005100206217A CN100361516C (en) | 2005-03-31 | 2005-03-31 | Double-processor TV control method and use thereof |
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| CN1671192A CN1671192A (en) | 2005-09-21 |
| CN100361516C true CN100361516C (en) | 2008-01-09 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163217B (en) * | 2006-10-10 | 2010-05-12 | 康佳集团股份有限公司 | Digital/analog integrated television set and rear end power supply method thereof |
| CN101009836B (en) * | 2007-01-31 | 2010-05-26 | 浙江大学 | Embedded video playing device based on the dual processor |
| CN101312528B (en) * | 2007-05-24 | 2010-06-23 | 晶睿通讯股份有限公司 | Method and system for generating video streams of different resolution in real time |
| CN101431622B (en) * | 2007-11-07 | 2012-05-30 | 晨星半导体股份有限公司 | Digital television processing equipment and processing method |
| WO2010122572A2 (en) * | 2009-04-20 | 2010-10-28 | Dhoot Pradeepkumar Nandlal | Integrated digital television |
| CN102223580B (en) * | 2011-05-31 | 2013-10-16 | 深圳市同洲电子股份有限公司 | Digital television all-in-one machine and on-screen display processing method thereof |
| CN102413372A (en) * | 2011-11-14 | 2012-04-11 | 深圳市同洲电子股份有限公司 | All-in-one digital television machine and collaboration method for interface control in all-in-one digital television machine |
| CN105791968B (en) * | 2014-12-18 | 2019-01-01 | 深圳Tcl数字技术有限公司 | Method for realizing channel switching and television |
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| JPH1198426A (en) * | 1997-08-22 | 1999-04-09 | Samsung Electron Co Ltd | Television receiver provided with tuner in common use for analog/digital signal |
| WO2001006775A1 (en) * | 1999-07-16 | 2001-01-25 | Thomson Licensing S.A. | Method and apparatus for autoprogramming a television receiver |
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