CN1964452A - A method for TV set identifying automatically extended function module - Google Patents
A method for TV set identifying automatically extended function module Download PDFInfo
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- CN1964452A CN1964452A CN 200510104504 CN200510104504A CN1964452A CN 1964452 A CN1964452 A CN 1964452A CN 200510104504 CN200510104504 CN 200510104504 CN 200510104504 A CN200510104504 A CN 200510104504A CN 1964452 A CN1964452 A CN 1964452A
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Abstract
The related method for TV to automatic recognize expansion function module comprises: pre-determining the label data for every expansion function module; setting general bus and interface socket in TV; setting relative interface plug for every expansion module as definition by bus; and using TV MPU to search all interface plugs to input signal. This invention is reliable and practical for application.
Description
Technical field
The present invention relates to a kind of television set that has the additional function expanding unit.
Technical background
Existing flat-panel TV set, no matter be the LCD panel television set, the plasma display panel television set still is a light emitting diode matrix display panel television set, when needing to realize DVD laser disc playing function or HDD hard disk (comprising various memory bodys such as CF/SD/MS card) recording function or wireless audio and video receiving function or DVB-T (ATSC) Digital Television receiving function or network function, a kind of current version is directly to be equipped with video input socket and audio frequency input socket on the casing of this flat-panel TV set, connects the video-out port and the audio output port of DVD laser disc player or HDD hard disk (comprising various memory bodys such as CF/SD/MS card) video tape recorder or standalone feature devices such as wireless audio and video receiving system or DVB-T (ATSC) digital television receiver voluntarily for the user.The defective that this version exists is that globality is poor, and the user who has does not know how to connect the standalone feature device of his needs.Another kind of version is directly at inner DVD laser disc playing device or the HDD hard disk recording device or the like of being equipped with of the casing of this flat-panel TV set.Therefore along with the difference of additional function, manufacturer need design and make the circuit board and the bonnet of multiple different cultivars with regard to the flat-panel TV set of identical appearance.For manufacturer, need to increase each the kind circuit board of identical appearance television set and the complexity of bonnet processing, each variety production assembling and stock control like this, directly influence production cost; Sales department is needed the quantity in stock and the fund that takies of each kind of increase identical appearance flat-panel TV set, and increased marketing risk.For this reason, it number is 200510044938.4 that the inventor has proposed Chinese patent application, the technical scheme of " flat-panel TV set of selectable extension function " by name: this flat-panel TV set sets in advance the control circuit and the program of multiple functional module, and a versabus that comprises video input/output signal, audio frequency input/output signal, functional module control signal and dc power supply; Be provided with a plurality of be connected specification and the identical interface sockets of terminal definition on the versabus in the space of reserving in its housing of laying functional module.The functional module that distributors can select producer to provide is laid it and is fixed in this television set headspace and its plug is plugged on any one interface socket of versabus, finishes the functional module of expansion and being electrically connected of this television set.As the operation of the television set function setting of routine, distributors or user use the button or the remote controller of television set, and under the prompting of screen display, the interface socket that connection is installed by the type and the institute of functional module number is imported this television set.Realization is by consumer's the purpose that need be expanded this television set function by distributors fast.But the mode that the television set expanded function is set in above-mentioned manual operations still has loaded down with trivial details sensation for distributors or user.
Summary of the invention
The present invention aims to provide a kind of method of TV set identifying automatically extended function module, the corresponding additional function expanding unit of selecting producer to provide according to the instructions for use of consumer's personalization, be quickly installed to this flat-panel TV set casing in after, the TV function is discerned the functional module of interpolation automatically, satisfies the needs of consumer to additional function quickly and easily.
The method of TV set identifying automatically extended function module of the present invention, the step that comprises has:
Steps A is for the functional module of each expansion television set function is determined a unique flag data value that is offered television set by its control output signal;
Step B, the code of each functional module that storing step A determines in the microprocessor of television set and the mapping table of flag data value thereof; Versabus and the interface socket that is connected this bus with video input/output signal, audio frequency input/output signal, control input/output signal and power supply are set on television set, and wherein at least one control input signals terminal of versabus is used for the flag data of read functions module;
Step C, each functional module of expanding television set function flag data value of determining of A is set by step set the control output signal that it provides flag data, and the interface plug of versabus on the corresponding television set and interface socket thereof is set;
Step D, selected functional module is installed on the television set, and the interface plug of this functional module is pegged graft and is fixed on the interface socket of versabus on the television set;
Step e, the microprocessor of television set is under the control of internal processes, each interface socket of the versabus of searching television machine, obtain the flag data value of functional module on the selected interface socket from the control input signals of versabus, and obtain the code of its functional module by this flag data value, and then know the particular type of the functional module that connects on the selected interface socket by inference according to abovementioned steps B stored relation table in the microprocessor of television set.
And then it also comprises step F, and the microprocessor of television set is according to the particular type information of the functional module that recognizes, and the particular type name translation of this functional module is become a signalling channel title, joins input source and selects in the formation.And, realize the seamless link of this functional module and TV according to automatic corresponding custom menu and the option of increasing of the particular type of this functional module.
In a kind of embodiment of the method for TV set identifying automatically extended function module of the present invention: described flag data value is a magnitude of voltage, and each functional module is expressed the flag data value of self with the voltage of analog quantity by the control output signal terminal that flag data is provided; A/D converter obtains the voltage of the analog quantity of functional module on the selected interface socket in the microprocessor of television set from the control input signals of versabus, and be converted into digital flag data value, and obtain the code of its functional module according to this digital flag data value.
The analog quantity voltage that described each functional module is expressed the flag data value of self is to be provided to control corresponding output signal terminal by resistance after to the power supply dividing potential drop; Perhaps the analog quantity voltage of the flag data value of each functional module expression self is to produce one by methods such as being provided to control corresponding output signal terminal after the zener diode voltage stabilizing to be different from the unique fixing DC level of other module.
In the another kind of embodiment of the method for TV set identifying automatically extended function module of the present invention: described flag data value is I
2The slave unit geocoding of C bus has I in the control signal of each functional module
2C bus terminal and an access response signal lead-out terminal; The microprocessor of television set is by the I in the control signal of versabus
2The C bus terminal sends slave unit geocoding request signal in proper order; If a functional module that has been access in is received one's own slave unit geocoding request signal, then pass through I
2The C bus terminal sends bluetooth inquiry response signals, and inserts response signal terminal at it and send and insert response signal, and the microprocessor of television set is by I
2The C bus terminal is received this bluetooth inquiry response signals, judge that then the functional module with this slave unit geocoding is access in, and obtain the code of this functional module according to slave unit geocoding and functional module code mapping table, and then search in each interface socket and to insert being input as of response signal terminal on which interface socket and insert response signal, obtain the corresponding relation of this interface socket and this functional module, continue to send next slave unit geocoding request signal then; If a slave unit geocoding request signal that sends does not meet with a response, judge that then the functional module of this slave unit geocoding is not access in, continue to send next slave unit geocoding request signal, up to inquiring about all slave unit geocodings.
The method of TV set identifying automatically extended function module of the present invention, utilize the flag data input signal in the control input signals of versabus, press predetermined flag data value and functional module type corresponding relation by microprocessor, the functional module type that each interface socket of the versabus of searching television machine just can be discerned each interface socket automatically and connected provides foundation for controlling each functional module.Method is simple and reliable, and is workable, easy to implement.The flag data value adopts magnitude of voltage, and each functional module is expressed the flag data value of self with the voltage of analog quantity; Is digital flag data value by A/D converter in the microprocessor of television set with the voltage transitions of the analog quantity of functional module on the selected interface socket, the code of its functional module of deriving again.It is quick to be suitable for various ready-made functional modules, marks the flag data value at low cost.Particularly to express the analog quantity voltage of the flag data value of self be to be provided to control corresponding output signal terminal by resistance after to the power supply dividing potential drop for each functional module, implements very simple.The flag data value of stipulating each functional module is I
2C bus slave geocoding, and each functional module of usefulness identification control I/O mouth that inserts response signal and microprocessor of outputing to a corresponding interface socket is set up the corresponding relation of functional module-interface socket, the quantity of interface socket generally can be not a lot, therefore but the kind of functional module can be nearly hundreds of, can be the selection that multiple model is provided of the functional module of each type.Television set specifically indicates numerical value from detected functional module, not only can identify the type of this functional module, can also identify the model of this functional module, further expanded the compatibility of television set, also increased the versatility of each specific functional modules simultaneously all kinds functional module.
Description of drawings
Fig. 1 uses the television set of first embodiment of the inventive method and the connecting circuit structural representation of functional module.
Fig. 2 signal source name that to be the code of each functional module of Fig. 1 embodiment and its show at video screen and the corresponding relation hoist pennants of flag data value thereof.
Fig. 3 uses the television set of second embodiment of the inventive method and the connecting circuit structural representation of functional module.
Fig. 4 signal source name that to be the code of each functional module of Fig. 3 embodiment and its show at video screen and the corresponding relation hoist pennants of flag data value thereof.
Embodiment
Embodiment one
The liquid crystal TV set of present embodiment has the control circuit and the program of DVD laser disc playing function module, network communicating function module, HDD hard disc recording functional module, wireless audio and video receiving module, DVD laser disc imprinting functional module and DVB-T Digital Television receiving module.For being equipped with the various functional modules such as DVD laser disc playing function module, network communicating function module, HDD hard disc recording functional module, wireless audio and video receiving module, DVD laser disc imprinting functional module and DVB-T (ATSC) Digital Television receiving module of producing, this liquid crystal TV set has identical mounting means and installation dimension.Side in the housing of this liquid crystal TV set is reserved the space that can lay two functional modules, is provided with the identical interface socket of two specifications and terminal definition in this space and is used for two selected functional modules and is electrically connected with this liquid crystal TV set realization; This liquid crystal TV set back housing is provided with a removable cover and hides this space.The window that this LCD TV engine housing is got in touch in abutting connection with default selected functional module of the sidewall in this space and external agency, and the close above-mentioned window in position in housing, laid of selected functional module.
This liquid crystal TV set and selected DVD laser disc playing function module, the connecting circuit structure of DVD laser disc imprinting functional module please see Figure 1.This liquid crystal TV set is provided with a versabus 20 that connects above-mentioned two interface sockets 23,24.Comprise an audio frequency and video input signal gating switch 21 and an identification signal gating switch 22 in the versabus 20.Audio frequency and video input signal gating switch 21 is chosen video input and the audio frequency input that one group of audio frequency and video input signal is submitted to this liquid crystal TV set audio frequency and video treatment circuit 11 the audio frequency and video input signal of two interface sockets 23,24 that connect respectively from its two groups of audio-video signal input ports under the audio frequency and video gating signal control from the microprocessor 10 of this liquid crystal TV set.There is one group of holding wire the audio frequency and video output signal of this liquid crystal TV set audio frequency and video treatment circuit 11 to be submitted to the audio frequency and video output port of two interface sockets 23,24 in the versabus 20.Identification signal gating switch 22 is chosen A/D converter (A/D) input that an identification voltage input signal is submitted to this liquid crystal TV set microprocessor 10 the identification voltage input signal of two interface sockets 23,24 that connect respectively from two identification signal input under the identification gating signal control from the microprocessor 10 of this liquid crystal TV set.There is one group of control line to connect the control I/O mouth of this liquid crystal TV set microprocessor 10 and the control signal port of two interface sockets 23,24 in the versabus 20, is used for control each functional module.One group of power line is arranged in the versabus 20, connect the output port of power source of this liquid crystal TV set power circuit 12 and two interface sockets 23,24, be used for direct current to each functional module supply 5V and 12V.
Each functional module respectively is equipped with a video input/output end port that connects self, audio frequency input/output end port, control input/output end port, power input mouth and interface plug that match with two interface sockets 23,24 of versabus 20 on the circuit board.Thereby various functional modules installation site on the circuit board in the opened portion of this liquid crystal TV set back casing is unrestricted, can exchange arbitrarily.The interface plug 32 of selected DVD laser disc playing function module 31 is plugged on the interface socket 23 of versabus 20 on this liquid crystal TV set circuit board shown in Fig. 1.The interface plug 42 of DVD laser disc imprinting functional module 41 is plugged on the interface socket 24 of versabus 20 on this liquid crystal TV set circuit board.
In factory, determined a unique flag data value for the functional module of each expansion liquid crystal TV set function in advance; This flag data value is a magnitude of voltage, each functional module is set the control output signal that flag data is provided by the flag data value of afore mentioned rules---and identification voltage, the analog quantity voltage of expressing the flag data value of self are to offer this liquid crystal TV set by the identification voltage output signal end in its control output signal.The signal source name that the code of each functional module as shown in Figure 2 and its show at video screen and the mapping table of flag data value thereof in the microprocessor 10 of this liquid crystal TV set, have been stored in advance; Wherein the flag data value of regulation DVD laser disc playing function module 31 is that 1.0 volts, the flag data value of HDD hard disc recording functional module are that 1.5 volts, the flag data value of wireless audio and video receiving module are that 2.0 volts, the flag data value of DVB-T (ATSC) Digital Television receiving module are that 2.5 volts, the flag data value of DVD laser disc imprinting functional module 41 are that 3.0 volts, the flag data value of network communicating function module are 3.5 volts.The flag data value of in factory, pressing afore mentioned rules for each functional module in advance by resistance to the power supply dividing potential drop after, set the concrete numerical value of identification voltage control output signal.
Manufacturer offers distributors with this liquid crystal TV set and aforementioned various functional module.When the consumer buys the liquid crystal TV set of present embodiment, Fu Jia function if desired, the sales force can open the cover plate of this liquid crystal TV set at the scene, selects corresponding one or both functional modules to be installed in the opened portion of back casing any one use location of consumer's custom on the circuit board; The sales force pegs graft a kind of interface plug of functional module on any one interface socket of circuit board universal bus 20 in the opened portion that is fixed on back casing, just finished being connected of the audio frequency and video treatment circuit 11 of this kind functional module by versabus 20 and this liquid crystal TV set, microprocessor 10, power circuit 12, made this liquid crystal TV set realize this kind expanded function.After the interface plug of finishing all required functional modules is pegged graft, build the cover plate of this liquid crystal TV set.
After connecting the power supply of this liquid crystal TV set, under the control of internal processes, microprocessor 10 sends the identification gating signal, and control identification signal gating switch 22 is obtained A/D converter (A/D) input that the identification voltage input signal is submitted to this liquid crystal TV set microprocessor 10 from first interface socket 23.Microprocessor 10 obtains 1.0 volts of the identification voltages of functional module 31 on the selected interface socket 23, and is converted into digital flag data value, and obtains the code DVD of its functional module according to this digital flag data value.Microprocessor 10 and then know by inference on the selected interface socket 23 and be connected with functional module, the particular type of this functional module is a DVD laser disc playing function module 31.Then, microprocessor 10 continues to send the identification gating signal, and control identification signal gating switch 22 is obtained A/D converter (A/D) input that the identification voltage input signal is submitted to this liquid crystal TV set microprocessor 10 from second interface socket 24.Microprocessor 10 obtains 3.0 volts of the identification voltages of functional module 41 on the selected interface socket 24, and is converted into digital flag data value, and obtains the code DVR of its functional module according to this digital flag data value.Microprocessor 10 and then know by inference on the selected interface socket 23 and be connected with functional module, the particular type of this functional module is a DVD laser disc imprinting functional module 41.Then, the microprocessor 10 of this liquid crystal TV set is automatically according to mapping table shown in Figure 2, two interface sockets 23, two functional modules 31 on 24,41 title is added in the signalling channel menu option in the user selection signal source that video screen shows, and according to two interface sockets 23,24 dispose the switch logic to audio frequency and video input signal gating switch 21, the microprocessor 10 of this liquid crystal TV set also can be according to the type of current functional module simultaneously, some the different custom menu options and the control command of communication are set, make microprocessor 10, audio frequency and video treatment circuit 11 and this functional module realize the seamless link on function and the interface.Guarantee when the user chooses the signalling channel of some functional modules wherein, the audio-video signal of this functional module output is sent into audio frequency and video treatment circuit 11 handle or the audio-video signal of audio frequency and video treatment circuit 11 outputs is sent into this functional module handle.
When the user need use certain functional module, microprocessor 10 is the interface socket at this functional module place of gating automatically, and this functional module is carried out data and control operation.The front and back only use takes time a few minutes, and liquid crystal TV set just can submit to the consumer to use, very fast with convenient.
The versabus 20 of liquid crystal TV set has the character of standard in factory, and the interface socket that versabus 20 connects can be more than two, but more a plurality of; The video input/output terminal of the interface socket that versabus 20 connects can be designed as one or more video input/output signal terminals that comprise in composite video signal, Y/C S-VIDE0 vision signal, YUV, YPbPr, DVI, HDMI or the rgb video component signal, perhaps also comprises digital video input/output signal terminal.The audio frequency input/output terminal of the interface socket that versabus 20 connects can be designed as the audio frequency input/output signal terminal that comprises simulated audio signal and digital audio and video signals or a kind of audio frequency input/output signal terminal of signal wherein.The control output signal of the interface socket that versabus 20 connects includes the control signal that control signal that this liquid crystal TV set sends to the corresponding function module after to the infrared remote-controlled signal demodulation and this liquid crystal TV set send to the corresponding function module according to button operation.The control input signals of the interface socket that versabus 20 connects includes the signal of corresponding function module to the expression corresponding function module status of this liquid crystal TV set transmission; Can arrange a plurality of control input signals terminals to be used for the sign data of read functions module in the interface socket that versabus 20 connects.The power supply output of the interface socket that versabus 20 connects can be designed as direct voltage and the power supply Opportunity awaiting control for linear signal that comprises one road direct voltage or the different magnitudes of voltage of multichannel.
In addition, each functional module is expressed the analog quantity voltage of the flag data value of self, can also be to produce one by methods such as being provided to identification voltage output signal terminal after the zener diode voltage stabilizing to be different from the unique fixing DC level of other module.
Embodiment two
The plasma TV of present embodiment has control circuit and the program in DVD laser disc playing module, network communication module, individual media read/write modules, HDD hard disc recording module, wireless audio and video receiver module, the DVB-T digital TV receiver module, and a versabus connects video input/output circuitry, audio frequency input/output circuitry, functional module control circuit, the power output circuit of this plasma TV.Side in the housing of this plasma TV is reserved the space that can lay five functional modules, and is provided with five specification and identical interface sockets of terminal definition that connect above-mentioned versabus in this space; This television set back housing is provided with a cover plate that hides above-mentioned space.The position that window that this plasm TV engine housing is got in touch in abutting connection with the sidewall preset function module and the external agency of headspace and functional module are laid in housing is near above-mentioned window.
This plasma TV and selected DVD laser disc playing function module, the connecting circuit structure of HDD hard disc recording module please see Figure 3.The versabus 6 of this plasma TV is connecting five specifications and identical interface socket 61-65, microprocessor 50, audio frequency and video treatment circuit 51 and the power circuit 52 of terminal definition.An audio frequency and video input signal gating switch 60 is arranged in the versabus 6.Audio frequency and video input signal gating switch 60 is chosen one group of audio frequency and video input signal is submitted to audio frequency and video treatment circuit 51 from its output port VAIN video input and audio frequency input the audio frequency and video input signal of five interface socket 61-65 that connect respectively from its five groups of audio-video signal input port VAI1, VAI2, VAI3, VAI4, VAI5 under the audio frequency and video gating signal control from the microprocessor 50 of this plasma TV.There is one group of holding wire VAOUT the audio frequency and video output signal of this plasma TV audio frequency and video treatment circuit 51 to be submitted to the audio frequency and video output port of five interface socket 61-65 in the versabus 6.There are five signal line SB1-SB5 to connect in five identification control I/O mouths of this plasma TV microprocessor 50 one the control input signals port with five interface socket 61-65 one respectively in the versabus 6, are used to detect this interface socket and whether connected functional module.There are two control lines to connect the I of this plasma TV microprocessor 50 in the versabus 6
2The control signal port of C bus master I/O communication port and five interface socket 61-65 is used for inquiry and control to each functional module.One group of power line is arranged in the versabus 6, connect the output port of power source of power circuit 52 and five interface socket 61-65, be used for direct current to each functional module supply 5V and 12V.
In factory, for being equipped with each functional module of expanding this plasma TV function such as the DVD laser disc playing function module of producing, network communicating function module, individual media read/write function module, HDD hard disc recording functional module, wireless audio and video receiving module, DVB-T (ATSC) Digital Television receiving module, this plasma TV determined unique flag data value a---I in advance
2The slave unit geocoding of C bus has been stored the code of each functional module as shown in Figure 4 in advance in the microprocessor 50 of this plasma TV and it is at the signal source name of video screen demonstration and the mapping table of flag data value thereof; Wherein stipulate the I of DVD laser disc playing function module
2The slave unit geocoding of C bus is the I of 0x01, HDD hard disc recording functional module
2The slave unit geocoding of C bus is the I of 0x02, wireless audio and video receiving module
2The slave unit geocoding of C bus is the I of 0x03, DVB-T (ATSC) Digital Television receiving module
2The slave unit geocoding of C bus is the I of 0x04, individual media read/write function module
2The slave unit geocoding of C bus is the I of 0x05, network communicating function module
2The slave unit geocoding of C bus is 0x06.Each functional module respectively be equipped with a video input/output end port that connects self, audio frequency input/output end port, control input/output end port, power input mouth and with circuit board on five interface plugs that interface socket 61-65 matches on the versabus 6, input/output end port wherein has I
2C bus terminal and an access response signal lead-out terminal.Each functional module has all been set the I of self by this regulation in factory
2C bus slave address code.Thereby various functional modules installation site on the circuit board in the opened portion of this plasma TV back casing is unrestricted, can exchange arbitrarily.The interface plug 72 of selected DVD laser disc playing function module 71 shown in Fig. 3 is plugged on this plasma electric and looks on the interface socket 61 of versabus 6 on the machine circuit plate.The interface plug 82 of DVB-T (ATSC) Digital Television receiving module 81 is plugged on this plasma electric and looks on the interface socket 62 of versabus 6 on the machine circuit plate.
Manufacturer offers distributors with this plasma TV and aforementioned various functional module.When the consumer buys this plasma TV, Fu Jia function if desired, the sales force can open the cover plate of this plasma TV at the scene, selects in corresponding a kind of opened portion that is installed in back casing to five kinds of functional modules any one use location of consumer's custom on the circuit board; The sales force pegs graft a kind of interface plug of functional module on any one interface socket of circuit board universal bus in the opened portion that is fixed on back casing, just finished being connected of the audio frequency and video treatment circuit 51 of this kind functional module by versabus 6 and this plasma TV, microprocessor 50, power circuit 52, made this plasma TV realize this kind expanded function.After the plug of finishing all required functional modules is pegged graft, build the cover plate of this plasma TV.
After connecting the power supply of this plasma TV, under the control of internal processes, microprocessor 50 is by the I in the control signal of versabus 6
2The C bus terminal sends slave unit geocoding request signal in proper order.If a functional module that has been access in is received one's own slave unit geocoding request signal, then pass through I
2The C bus terminal sends bluetooth inquiry response signals, and inserts the response signal terminal at it and send the low level response signal that inserted.The microprocessor 50 of this plasma TV is by I
2The C bus terminal is received this bluetooth inquiry response signals, judge that then the functional module with this slave unit geocoding is access in, and obtain the code of this functional module according to the code of each functional module shown in Figure 4 and its mapping table in the signal source name of video screen demonstration and flag data value thereof, and then the low level response signal that inserted that is input as of which being searched in five identification control I/O mouths, be input as the interface socket that low level that identification control I/O mouth that has inserted response signal connected and connected functional module, and the code of this functional module has just obtained before this; After obtaining the corresponding relation of an interface socket and its functional module that is connected, microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding request signal; If a slave unit geocoding request signal that sends does not meet with a response, judge that then the functional module of this slave unit geocoding is not access in, microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding request signal, up to inquiring about all slave unit geocodings.After the code and its corresponding interface socket information of the functional module that obtains to have inserted, microprocessor 50 becomes a signalling channel title according to the code of functional module with the name translation of this module automatically, joining input source selects in the formation, just in the menu option in user selection signal source, be added into the title of this functional module, and dispose switch logic to audio frequency and video input signal gating switch 60 according to the interface socket sequence number, guarantee when the user presses selection signal source key by panel or Infrared remote controller, just can from screen, see and choose this signal source name the signal source formation; Choose the signalling channel of this functional module as the user after, the audio-video signal of this functional module output is sent into audio frequency and video treatment circuit 51 go to handle.Microprocessor 50 also can be according to current type of module, some the different custom menu options and the control command of communication are set, for example deposit record and play two options for the custom menu option of HDD hard disc recording module, the operation of depositing the record option is the audio-video signal of audio frequency and video treatment circuit 51 outputs to be sent into HDD hard disc recording functional module store; Functional module realization function that makes this plasma TV and be connected and the seamless link on the interface.
For annexation shown in Figure 3: when this plasma electric was looked start, microprocessor 50 passed through I
2The C bus terminal is searched for by slave unit geocoding 0x00-0xFF one by one, and slave unit geocoding 0x00 request signal does not meet with a response, and judges that then the functional module of this slave unit geocoding is not access in, and microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding request signal; The result is the I of 0x01
2Reply C slave unit address, represent that then DVD laser disc playing function module 71 has inserted, and then search for the access response that five identification control I/O mouths obtain the interface socket 61 that connects through holding wire SB1 and be input as the low level response signal that inserted, be input as the interface socket 61 that the low level identification control I/O mouth 1 that has inserted response signal connected and connected DVD laser disc playing function module 71, and the code of DVD laser disc playing function module 71 has also obtained; Behind the corresponding relation that obtains the DVD laser disc playing function module 71 that interface socket 61 is connected with it, microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x02 request signal; Slave unit geocoding 0x02 request signal does not meet with a response, and judges that the functional module of this slave unit geocoding is not access in, and microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x03 request signal; Slave unit geocoding 0x03 request signal does not meet with a response, and microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x04 request signal, and the result is the I of 0x04
2Reply C slave unit address, represent that then DVB-T (ATSC) Digital Television receiving module 81 has inserted, and then search for the access response that five identification control I/O mouths obtain the interface socket 62 that connects through holding wire SB2 and be input as the low level response signal that inserted, be input as the interface socket 62 that the low level identification control I/O mouth 2 that has inserted response signal connected and connected DVB-T (ATSC) Digital Television receiving module 81, and the code of DVB-T (ATSC) Digital Television receiving module 81 has also obtained; After obtaining the corresponding relation of interface socket 62 and its DVB-T that is connected (ATSC) Digital Television receiving module 81, microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x05 request signal; Slave unit geocoding 0x05 request signal does not meet with a response, and microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x06 request signal; Slave unit geocoding 0x06 request signal does not meet with a response, and microprocessor 50 is by I
2The C bus terminal continues to send next slave unit geocoding 0x07 request signal, and so circulation is up to inquiring slave unit geocoding 0xFF.Then, the microprocessor 50 of this plasma TV is automatically according to mapping table shown in Figure 4, the title " DVD " of the DVD laser disc playing function module 71 on the interface socket 61 is added in the signalling channel menu option in the user selection signal source that video screen shows, and dispose switch logic to audio frequency and video input signal gating switch 60 according to interface socket 61, the microprocessor 50 of this plasma TV also can be according to the action need of DVD laser disc playing function module 71 simultaneously, some the different custom menu options and the control command of communication are set, make microprocessor 50, the seamless link that audio frequency and video treatment circuit 51 and DVD laser disc playing function module 71 realize on function and the interface; The title " DVB-T " of the DVB-T on the interface socket 62 (ATSC) Digital Television receiving module 81 is added in the signalling channel menu option in the user selection signal source that video screen shows, and dispose switch logic to audio frequency and video input signal gating switch 60 according to interface socket 62, the microprocessor 50 of this liquid crystal TV set also can be according to the operation requirement of DVB-T (ATSC) Digital Television receiving module 81 simultaneously, some the different custom menu options and the control command of communication are set, make microprocessor 50, the seamless link that audio frequency and video treatment circuit 51 and DVB-T (ATSC) Digital Television receiving module 81 is realized on function and the interface.When the user presses selection signal source key by panel or Infrared remote controller, just can from the signal source formation that screen shows, see and increase " DVD " and " DVB-T " two signal sources, the user further chooses one of them signal source name then to choose the signalling channel of this functional module, the interface socket that switches to this functional module place of microprocessor 50 automatic gating audio frequency and video input signal gating switches 60, and this functional module carried out data and control operation, the audio-video signal of this functional module output is sent into audio frequency and video treatment circuit 51 handle or the audio-video signal of audio frequency and video treatment circuit 51 outputs is sent into this functional module handle.
Present embodiment stipulates that the flag data value of each functional module is I2C, bus slave geocoding 0x00-0xFF, and each functional module of usefulness identification control I/O mouth that inserts response signal and microprocessor 50 of outputing to a corresponding interface socket is set up the corresponding relation of functional module-interface socket, the quantity of interface socket generally can be not a lot, usually be no more than 8, but the kind of functional module can reach 256 kinds, therefore can be the selection that multiple model is provided of the functional module of each type, plasma TV specifically indicates numerical value from detected functional module, not only can identify the type of this functional module, can also identify the model of this functional module, further expand the compatibility of this plasma TV, also increased the versatility of each specific functional modules simultaneously all kinds functional module.
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (6)
1. the method for TV set identifying automatically extended function module, the step that comprises has:
Steps A is for the functional module of each expansion television set function is determined a unique flag data value that is offered television set by its control output signal;
Step B, the code of each functional module that storing step A determines in the microprocessor of television set and the mapping table of flag data value thereof; Versabus and the interface socket that is connected this bus with video input/output signal, audio frequency input/output signal, control input/output signal and power supply are set on television set, and wherein at least one control input signals terminal of versabus is used for the flag data of read functions module;
Step C, each functional module of expanding television set function flag data value of determining of A is set by step set the control output signal that it provides flag data, and the interface plug of versabus on the corresponding television set and interface socket thereof is set;
Step D, selected functional module is installed on the television set, and the interface plug of this functional module is pegged graft and is fixed on the interface socket of versabus on the television set;
Step e, the microprocessor of television set is under the control of internal processes, each interface socket of the versabus of searching television machine, obtain the flag data value of functional module on the selected interface socket from the control input signals of versabus, and obtain the code of its functional module by this flag data value, and then know the particular type of the functional module that connects on the selected interface socket by inference according to abovementioned steps B stored relation table in the microprocessor of television set.
2. the method for TV set identifying automatically extended function module according to claim 1, it is characterized in that: it also comprises step F, the microprocessor of television set is according to the particular type information of the functional module that recognizes, the particular type name translation of this functional module is become a signalling channel title, join input source and select in the formation, and increase corresponding custom menu and option automatically according to the particular type of this functional module.
3. the method for TV set identifying automatically extended function module according to claim 1 and 2, it is characterized in that: described flag data value is a magnitude of voltage, and each functional module is expressed the flag data value of self with the voltage of analog quantity by the control output signal terminal that flag data is provided; A/D converter obtains the voltage of the analog quantity of functional module on the selected interface socket in the microprocessor of television set from the control input signals of versabus, and be converted into digital flag data value, and obtain the code of its functional module according to this digital flag data value.
4. the method for TV set identifying automatically extended function module according to claim 3 is characterized in that: the analog quantity voltage that described each functional module is expressed the flag data value of self is to be provided to control corresponding output signal terminal by resistance after to the power supply dividing potential drop.
5. the method for TV set identifying automatically extended function module according to claim 3 is characterized in that: the analog quantity voltage that described each functional module is expressed the flag data value of self is by being provided to control corresponding output signal terminal after the zener diode voltage stabilizing.
6. the method for TV set identifying automatically extended function module according to claim 1 and 2, it is characterized in that: described flag data value is I
2The slave unit geocoding of C bus has I in the control signal of each functional module
2C bus terminal and an access response signal lead-out terminal; The microprocessor of television set is by the I in the control signal of versabus
2The C bus terminal sends slave unit geocoding request signal in proper order; If a functional module that has been access in is received one's own slave unit geocoding request signal, then pass through I
2The C bus terminal sends bluetooth inquiry response signals, and inserts response signal terminal at it and send and insert response signal, and the microprocessor of television set is by I
2The C bus terminal is received this bluetooth inquiry response signals, judge that then the functional module with this slave unit geocoding is access in, and obtain the code of this functional module according to slave unit geocoding and functional module code mapping table, and then search in each interface socket and to insert being input as of response signal terminal on which interface socket and insert response signal, obtain the corresponding relation of this interface socket and this functional module, continue to send next slave unit geocoding request signal then; If a slave unit geocoding request signal that sends does not meet with a response, judge that then the functional module of this slave unit geocoding is not access in, continue to send next slave unit geocoding request signal, up to inquiring about all slave unit geocodings.
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| CN 200510104504 CN1964452A (en) | 2005-11-09 | 2005-11-09 | A method for TV set identifying automatically extended function module |
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| CN 200510104504 CN1964452A (en) | 2005-11-09 | 2005-11-09 | A method for TV set identifying automatically extended function module |
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| CN1964452A true CN1964452A (en) | 2007-05-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010057387A1 (en) * | 2008-11-21 | 2010-05-27 | 海尔集团公司 | System and method for menu setting |
| WO2010075687A1 (en) * | 2009-01-03 | 2010-07-08 | 海尔集团公司 | Tv function expansion component using gold finger connector |
| CN101933316A (en) * | 2008-01-30 | 2010-12-29 | 索尼爱立信移动通讯有限公司 | System and method for determining accessory type |
| TWI448067B (en) * | 2007-10-31 | 2014-08-01 | Thk Co Ltd | Control method for multiaxial driver, multiaxial driver, and multiaxial control system comprising the driver |
| CN104380755A (en) * | 2013-05-31 | 2015-02-25 | 株式会社东芝 | Function control device and function adding device |
| CN107111589A (en) * | 2016-04-15 | 2017-08-29 | 深圳前海达闼云端智能科技有限公司 | A kind of communication means, device and electronic equipment |
| WO2017206161A1 (en) * | 2016-06-03 | 2017-12-07 | 达闼科技（北京）有限公司 | Interface detection method and apparatus |
| CN111947935A (en) * | 2019-05-14 | 2020-11-17 | 株式会社堀场制作所 | Automatic driving device, vehicle testing system and identification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI448067B (en) * | 2007-10-31 | 2014-08-01 | Thk Co Ltd | Control method for multiaxial driver, multiaxial driver, and multiaxial control system comprising the driver |
| CN101933316A (en) * | 2008-01-30 | 2010-12-29 | 索尼爱立信移动通讯有限公司 | System and method for determining accessory type |
| CN101933316B (en) * | 2008-01-30 | 2013-05-15 | 索尼爱立信移动通讯有限公司 | System and method for determining accessory type |
| WO2010057387A1 (en) * | 2008-11-21 | 2010-05-27 | 海尔集团公司 | System and method for menu setting |
| WO2010075687A1 (en) * | 2009-01-03 | 2010-07-08 | 海尔集团公司 | Tv function expansion component using gold finger connector |
| CN104380755A (en) * | 2013-05-31 | 2015-02-25 | 株式会社东芝 | Function control device and function adding device |
| CN107111589A (en) * | 2016-04-15 | 2017-08-29 | 深圳前海达闼云端智能科技有限公司 | A kind of communication means, device and electronic equipment |
| WO2017206161A1 (en) * | 2016-06-03 | 2017-12-07 | 达闼科技（北京）有限公司 | Interface detection method and apparatus |
| CN111947935A (en) * | 2019-05-14 | 2020-11-17 | 株式会社堀场制作所 | Automatic driving device, vehicle testing system and identification method |
| CN111947935B (en) * | 2019-05-14 | 2024-06-07 | 株式会社堀场制作所 | Automatic driving device, vehicle testing system and identification method |
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