CN104935839A - Extensible smart television - Google Patents
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- CN104935839A CN104935839A CN201510315591.6A CN201510315591A CN104935839A CN 104935839 A CN104935839 A CN 104935839A CN 201510315591 A CN201510315591 A CN 201510315591A CN 104935839 A CN104935839 A CN 104935839A
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Abstract
The invention provides an extensible smart television. The extensible smart television comprises a basic system, at least one NFC (Near Field Communication) interface and at least one low-speed interface extension sub-system, wherein the basic system is arranged in the television; and the low-speed interface extension sub-system is detachably connected to the back side of the television through the NFC interface. The minimum configuration of the extensible smart television only comprises a basic system and a part of NFC interfaces, and a user can randomly add any needed functional circuit as required, so that an extension function is realized.
Description
Technical Field
The invention relates to an intelligent television, in particular to an extensible intelligent television.
Background
The television is used as a large household appliance, the replacement frequency of a user is low, and the television is replaced usually only in years or even ten years, so that the use experience and the life cycle of the old television can be greatly improved if a convenient expansion and upgrade interface is provided. However, in the current system structure, it is difficult to support such a custom hardware structure, if various requirements of all users are needed, a complete hardware device with the most complete configuration needs to be designed, which is unacceptable for the intelligent television regardless of hardware cost and battery power consumption, and the current solution is that a hardware scheme designer designs a function collocation meeting the tradeoffs of power consumption and cost while considering the most users according to the mainstream requirements in the market, so that the specific requirements of each specific user cannot be defined all the time.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent television which can be defined according to the requirements of users, wherein the minimum configuration only comprises a basic system and a part of NFC interfaces, and then the users can freely add any functional circuit required by the users according to the requirements of the users, thereby realizing the extended functions.
The intelligent television is realized as follows: the extensible smart television comprises a basic system, at least one NFC interface and at least one low-speed interface extension subsystem, wherein the basic system is arranged in the television, and the low-speed interface extension subsystem is detachably connected to the back of the television through the NFC interface.
Further, the NFC interface is two card-shaped patches detachably connected, one of the card-shaped patches is integrated on the low-speed interface expansion subsystem and is located on the surface of the low-speed interface expansion subsystem, the other card-shaped patch is integrated on the basic system and is located on the back of the television, and the two card-shaped patches are connected by pasting or magnet adsorption.
Furthermore, the invention also comprises at least one high-speed expansion interface and at least one high-speed interface expansion subsystem, wherein the high-speed interface expansion subsystem is detachably connected to the back or the side of the television through the high-speed expansion interface.
Furthermore, the basic system comprises a data communication control unit, a first transmission bus, a first system operation CPU, a first program and data storage unit, an image enhancement unit, a television code stream decoding unit, a display control unit and a television screen; the data communication control unit is respectively connected with the first system operation CPU, the first program and data storage unit, the image enhancement unit, the television code stream decoding unit, the display control unit and the television screen through the first transmission bus; the low-speed interface extension subsystem comprises a second transmission bus, a second system operation CPU, a second program and data storage unit, a low-speed interface functional unit and an NFC transceiving control unit; the second transmission bus is respectively connected with the second system operation CPU, a second program and data storage unit, a low-speed interface functional unit and an NFC receiving and transmitting control unit, and the second system operation CPU is also connected with the NFC receiving and transmitting control unit; the NFC interface comprises at least one first NFC induction circuit and at least one second NFC induction circuit, the first NFC induction circuit is connected with the data communication control unit of the basic system, and the second NFC induction circuit is connected with the NFC transceiving control unit of the low-speed interface expansion subsystem; the first NFC induction circuit and the second NFC induction circuit are detachably connected in a one-to-one correspondence mode; the high-speed interface expansion subsystem comprises a third transmission bus, a third system operation CPU, a third program and data storage unit and a high-speed interface functional unit; the third transmission bus is respectively connected with the third system operation CPU, a third program and data storage unit and a high-speed interface functional unit; the high-speed expansion interface comprises at least one first Unipro protocol controller, a first MIPI M-PHY interface, a second MIPI M-PHY interface and at least one second Unipro protocol controller, the first MIPI M-PHY interface is connected with the data communication control unit of the basic system through the first Unipro protocol controller, the second MIPI M-PHY interface is connected with a third transmission bus of the high-speed interface expansion subsystem through the second Unipro protocol controller, and the first MIPI M-PHY interface and the second MIPI M-PHY interface are detachably connected.
Further, for low-speed interface extension, the workflow of the basic system is as follows:
(1) after the basic system circuit starts working, the first system operation CPU is responsible for performing read-write operation on a first program and a data storage unit through a first transmission bus to complete system starting;
(2) after the system is started, the first system operation CPU periodically scans the first NFC induction circuit one by one through the first transmission bus and the data communication control unit to determine which NFC interface is hung with the low-speed interface extension subsystem until all NFC interfaces are scanned;
(3) when the NFC interface is determined to be hung with the low-speed interface expansion subsystem, handshake confirmation is carried out, the handshake confirmation method is that a group of agreed data streams are written into an agreed address of a second program data storage unit of the low-speed interface expansion subsystem by a first system operation CPU, the agreed address is read by a second system operation CPU of the low-speed interface expansion subsystem all the time, if the read number is exactly the agreed data stream, the second system operation CPU of the low-speed interface expansion subsystem will write the agreed data stream back to the agreed address in the basic system, different addresses represent different low-speed interface expansion subsystems, the first system operation CPU of the basic system will traverse the agreed address, if the agreed address is found to write the agreed data stream, the NFC interface is accessed to the effective low-speed interface expansion subsystem, and the type of the low-speed interface expansion subsystem is judged according to the address stored by the data;
(4) after the low-speed interface expansion subsystem finishes handshaking, the low-speed interface expansion subsystem can be accessed into the basic system to work together.
In the step (3), if a circuit load is scanned on one NFC interface, the first system operating CPU of the base system may continuously perform traversal query on the agreed address after sending the handshake signal for a period of time, and after querying for a certain number of times, it is found that there is no valid data stream in all the agreed addresses, it indicates that the load circuit on the NFC interface is not the agreed low-speed interface expansion subsystem, it is determined that there is no mounted low-speed interface expansion subsystem, and then scanning of the next NFC interface is started until all the NFC interfaces are scanned completely.
Further, the work flow of the low-speed interface extension subsystem is as follows:
(1) after the second NFC sensing circuit approaches the first NFC sensing circuit of the basic system, the first system operation CPU finds that circuit load occurs on the NFC interface when scanning the NFC interface at fixed time, and then tries to perform handshake operation until the handshake operation is completed;
(2) when the second system operation CPU of the low-speed interface extension subsystem is in a working state, a second program and a data storage unit of a sub-low-speed interface extension subsystem are read to carry out program operation and data operation; when a second system operation CPU of the low-speed interface expansion subsystem is in a working closing state, the whole system is in a low power consumption state so as to save electric energy;
(3) when a second system operation CPU of the low-speed interface expansion subsystem is in a working state, the low-speed interface functional unit receives the control of the second system operation CPU, is responsible for receiving and identifying functional operation information, and then sends an identification result to the second system operation CPU through a second transmission bus;
(4) and then the second system operation CPU sends the identification result to the first system operation CPU of the basic system through the NFC interface for use.
Furthermore, the low-speed interface functional unit in the low-speed interface extension subsystem is at least one of a voice low-speed interface functional unit, an infrared remote control unit, a gesture recognition low-speed interface functional unit, a physiological data acquisition unit, a face recognition unit and a photosensitive brightness adjustment unit. The voice low-speed interface functional unit comprises a voice recognition unit and a microphone, and the microphone is connected with the second transmission bus through the voice recognition unit; the infrared remote control unit is an infrared receiving and transmitting unit which is connected with the second transmission bus; the gesture recognition low-speed interface functional unit comprises a gesture recognition unit and a camera, and the camera is connected with the second transmission bus through the gesture recognition unit; the physiological data acquisition unit comprises at least one of a body temperature acquisition unit, a pulse acquisition unit, a blood pressure acquisition unit and a skin electricity acquisition unit; the body temperature acquisition unit, the pulse acquisition unit, the blood pressure acquisition unit and the skin electricity acquisition unit are all connected with the second transmission bus; the face recognition unit comprises a camera and a face recognition unit, and the camera is connected with the second transmission bus through the face recognition unit; the light sensing brightness adjusting unit comprises a light intensity sensor, a light intensity-to-backlight intensity mapping unit, a light intensity-to-backlight mapping table storage unit and a backlight adjusting control unit, and the light intensity-to-backlight intensity mapping unit is connected with the second transmission bus; the light intensity sensor, the light intensity-to-backlight mapping table storage unit and the backlight adjustment control unit are all connected to the light intensity-to-backlight intensity mapping unit, and the backlight adjustment control unit is connected to the television backlight circuit.
Furthermore, the high-speed interface function unit of the high-speed interface expansion subsystem is at least one of a high-speed wireless connection unit and a display function unit. The high-speed wireless connection unit comprises an RF (radio frequency) transceiver unit and a WIFI (wireless fidelity) controller, and the RF transceiver unit is connected with the third transmission bus through the WIFI controller; the display function unit comprises a display screen and a display control unit, and the display screen is connected with the third transmission bus through the display control unit.
Further, for high-speed interface extension, the workflow of the base system and the high-speed interface extension subsystem is as follows:
1) when the basic system starts to work, a first operating system CPU of the basic system can traverse and scan all the high-speed expansion interfaces, and when an effective signal in the high-speed expansion interface is detected to be effective, the high-speed expansion interface is indicated to be hung with a high-speed interface expansion subsystem;
2) when the high-speed interface expansion subsystem is hung on the high-speed expansion interface, handshake confirmation is carried out, the handshake confirmation method is that a group of agreed data streams are written by a first system operation CPU to agreed addresses of a third program data storage unit of the high-speed interface expansion subsystem, the agreed addresses are read by a third system operation CPU of the high-speed interface expansion subsystem all the time, if the read data streams are the agreed data streams, the agreed data streams are written back to the agreed addresses in a basic system by the third system operation CPU of the high-speed interface expansion subsystem, different addresses represent different high-speed interface expansion subsystems, the first system operation CPU of the basic system can search the agreed addresses in a traversing mode, and if the agreed data streams are written by the agreed addresses, the high-speed expansion interface is accessed to the effective high-speed interface expansion subsystem, judging the type of the high-speed interface expansion subsystem according to the address of data storage;
3) and when the handshake confirms the type of the high-speed interface expansion subsystem, the access basic system can start normal cooperative work.
The invention has the following advantages:
1. the invention can define the intelligent television according to the user's own needs, the minimum configuration only comprises a basic system and a part of NFC interface, then the user can increase any function circuit needed by the user at will according to the own needs, and finally the function definition of the final equipment can be completed by the user, thereby really meeting the specific requirements of the specific users aiming at the specific users, avoiding the function redundancy of the general equipment to the specific users and avoiding the defect that the general equipment can not meet the specific requirements of the specific users.
2. Set NFC interface into two card form pasters of dismantling the connection, one of them card form paster integration in on the low-speed interface extension subsystem and lie in the surface of low-speed interface extension subsystem, another card form paster integration in on the basic system and lie in the back of TV set, and these two card form pasters are through pasting or magnet adsorption connection, make low-speed interface extension subsystem and basic system, make low-speed interface extension subsystem can very convenient direct joining basic system, and the user uses very conveniently.
3. The low-speed interface expansion subsystem comprises an independent operation and control system, and except the high-speed communication and display expansion subsystem, the low-speed interface expansion subsystem only needs simple data communication and can complete communication through NFC.
4. The present invention may also include a high speed expansion interface and a high speed interface expansion subsystem to implement high speed expansion functionality.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of an embodiment of an intelligent tv.
Fig. 2 is a schematic physical structure diagram of an embodiment of the smart television according to the present invention.
Fig. 3 is a block diagram of a circuit structure of a basic system of the smart tv of the present invention, which includes a partial structure of low and high speed expansion interfaces.
Fig. 4a is a circuit block diagram of a first embodiment of a low-speed interface expansion subsystem of a smart television according to the present invention.
Fig. 4b is a circuit structure block diagram of the second embodiment of the low-speed interface extension subsystem of the smart television of the present invention.
Fig. 4c is a circuit structure block diagram of a third embodiment of the low-speed interface extension subsystem of the smart television of the present invention.
Fig. 4d is a circuit block diagram of a fourth embodiment of the low-speed interface expansion subsystem of the smart television of the present invention.
Fig. 4e is a block diagram of a fifth circuit structure of the low-speed interface expansion subsystem of the smart television according to the embodiment of the present invention.
Fig. 4f is a circuit structure block diagram of a sixth embodiment of the low-speed interface expansion subsystem of the smart television of the present invention.
Fig. 5a is a circuit block diagram of a first embodiment of the high-speed interface expansion subsystem of the smart television according to the present invention.
Fig. 5b is a circuit block diagram of a high-speed interface expansion subsystem of a smart television according to a first embodiment of the present invention.
Detailed Description
Referring to fig. 1 to fig. 2, a preferred embodiment of an expandable smart tv of the present invention includes a base system 1, at least one NFC interface 2, at least one low-speed interface expansion subsystem 3, at least one high-speed expansion interface 4, and at least one high-speed interface expansion subsystem 5, where the base system 1 is disposed in a tv set 100, the low-speed interface expansion subsystem 3 is detachably connected to a back B of the tv set 100 through the NFC interface 2, and the high-speed interface expansion subsystem 5 is detachably connected to the back B or a side C of the tv set 100 through the high-speed expansion interface 4.
As shown in fig. 2, the NFC interface 2 is two detachably connected card-shaped patches, one card-shaped patch 22 is integrated on the low-speed interface expansion subsystem 3 and located on the surface of the low-speed interface expansion subsystem 3, the other card-shaped patch 21 is integrated on the base system 1 and located on the back B of the television 100, and the two card-shaped patches are connected by adhesion or magnet attraction.
As shown in fig. 3, the basic system 1 includes a data communication control unit, a first transmission bus, a first system operation CPU, a first program and data storage unit, an image enhancement unit, a television code stream decoding unit, a display control unit, and a television screen; the data communication control unit is respectively connected with the first system operation CPU, the first program and data storage unit, the image enhancement unit, the television code stream decoding unit, the display control unit and the television screen through the first transmission bus.
As shown in fig. 4a to 4f, the low-speed interface extension subsystem includes a second transmission bus, a second system operation CPU, a second program and data storage unit, a low-speed interface function unit, and an NFC transceiving control unit; the second transmission bus is respectively connected with the second system operation CPU, the second program and data storage unit, the low-speed interface functional unit and the NFC receiving and transmitting control unit, and the second system operation CPU is also connected with the NFC receiving and transmitting control unit.
As shown in fig. 1 to 4f, the NFC interface includes at least one first NFC sensing circuit and at least one second NFC sensing circuit, where the first NFC sensing circuit is connected to the data communication control unit of the base system, and the second NFC sensing circuit is connected to the NFC transceiver control unit of the low-speed interface expansion subsystem; first NFC induction circuit and second NFC induction circuit one-to-one can dismantle the connection, can with first NFC induction circuit sets card form paster 21 to, sets card form paster 22 to second NFC induction circuit, connects through pasting or magnet adsorption.
As shown in fig. 5a to 5b, the high speed interface expansion subsystem includes a third transmission bus, a third system operation CPU, a third program and data storage unit, a high speed interface functional unit, and; the third transmission bus is respectively connected with the third system operation CPU, a third program and data storage unit and a high-speed interface functional unit;
as shown in fig. 1 to fig. 3 and fig. 5a to fig. 5b, the high-speed expansion interface includes at least one first Unipro protocol controller, a first MIPI M-PHY interface, a second MIPI M-PHY interface, and at least one second Unipro protocol controller, the first MIPI M-PHY interface is connected to the data communication control unit of the base system through the first Unipro protocol controller, the second MIPI M-PHY interface is connected to the third transmission bus of the high-speed interface expansion subsystem through the second Unipro protocol controller, and the first MIPI M-PHY interface and the second MIPI M-PHY interface are detachably connected.
In the invention, the basic system 1 is used for operating the most basic functions, before the low-speed interface expansion subsystem 3 is not accessed, the basic system 1 can work independently, after the basic system 1 and the plurality of low-speed interface expansion subsystems 3 are accessed, the basic system 1 and the plurality of low-speed interface expansion subsystems 3 work simultaneously, each low-speed interface expansion subsystem 3 comprises an independent CPU and a program data storage unit and can operate independently, and the expansion subsystem 3 and the basic system 1 only need a small amount of operation result interaction, thereby greatly reducing the data transmission quantity between the systems.
As shown in fig. 4a to 4f, the low-speed interface function unit in the low-speed interface expansion subsystem 3 of the present invention is at least one of a voice low-speed interface function unit 31, an infrared remote control unit 32, a gesture recognition low-speed interface function unit 34, a physiological data acquisition unit 35, a face recognition unit 36, and a photosensitive adjustment brightness unit 37, that is, the voice low-speed interface function unit 31, the infrared remote control unit 32, the gesture recognition low-speed interface function unit 34, the physiological data acquisition unit 35, the face recognition unit 36, and the photosensitive adjustment brightness unit 37 may be separately present in one low-speed interface expansion subsystem 3, or two or more of them may be present in the same low-speed interface expansion subsystem 3.
As shown in fig. 4a, the voice low-speed interface functional unit 31 of the present invention includes a voice recognition unit and a microphone, and the microphone is connected to the second transmission bus through the voice recognition unit;
as shown in fig. 4b, the infrared remote control unit 32 is an infrared transceiver unit, and the infrared transceiver unit is connected to the second transmission bus;
as shown in fig. 4c, the gesture recognition low-speed interface functional unit 33 includes a gesture recognition unit and a camera, and the camera is connected to the second transmission bus through the gesture recognition unit;
as shown in fig. 4d, the physiological data collecting unit 35 includes at least one of a body temperature collecting unit, a pulse collecting unit, a blood pressure collecting unit and a skin electricity collecting unit; the body temperature acquisition unit, the pulse acquisition unit, the blood pressure acquisition unit and the skin electricity acquisition unit are all connected with the second transmission bus. Wherein,
the body temperature acquisition unit comprises a body temperature monitoring unit and a body temperature sensor, and the body temperature sensor is connected with the second transmission bus through the body temperature monitoring unit;
the pulse acquisition unit comprises a pulse monitoring unit and a pulse sensor, and the pulse sensor is connected with the second transmission bus through the pulse monitoring unit;
the blood pressure acquisition unit comprises a blood pressure monitoring unit and a blood pressure sensor, and the blood pressure sensor is connected with the second transmission bus through the blood pressure monitoring unit;
the skin electricity acquisition unit comprises a skin electricity monitoring unit and a skin electricity sensor, and the skin electricity sensor is connected with the second transmission bus through the skin electricity monitoring unit.
As shown in fig. 4e, the face recognition unit 36 includes a camera and a face recognition unit, and the camera is connected to the second transmission bus through the face recognition unit;
as shown in fig. 4f, the photosensitive brightness adjusting unit 37 includes a light intensity sensor, a light intensity-to-backlight intensity mapping unit, a light intensity-to-backlight mapping table storage unit, and a backlight adjusting control unit, the light intensity-to-backlight intensity mapping unit is connected to the second transmission bus; the light intensity sensor, the light intensity-to-backlight mapping table storage unit and the backlight adjustment control unit are all connected to the light intensity-to-backlight intensity mapping unit, and the backlight adjustment control unit is connected to the television backlight circuit.
As shown in fig. 5a to 5b, the high-speed interface function unit of the high-speed interface expansion subsystem is at least one of a high-speed wireless connection unit 51 and a display function unit 52.
As shown in fig. 5a, the high-speed wireless connection unit 51 includes an RF transceiver unit and a WIFI controller, and the RF transceiver unit is connected to the third transmission bus through the WIFI controller;
as shown in fig. 5b, the display function unit 52 includes a display screen and a display control unit, and the display screen is connected to the third transmission bus through the display control unit.
For low speed interface extension, the workflow of the base system 1:
(1) after the basic system circuit starts working, the first system operation CPU is responsible for performing read-write operation on a first program and a data storage unit through a first transmission bus to complete system starting;
(2) after the system is started, a first system operation CPU periodically scans a first NFC induction circuit one by one through a first transmission bus and a data communication control unit to determine which NFC interface 2 is hung with an NFC circuit load, if the NFC interface 2 is hung with the NFC circuit load, the NFC interface 2 is possibly hung with a low-speed interface expansion subsystem 3, then a handshake confirmation process is carried out, if the load is not found, the next NFC interface 2 is directly scanned until all NFC interfaces 2 are scanned, and the scanning action of the NFC interface 2 is carried out once at intervals to ensure that a new low-speed interface expansion subsystem can be responded in time when being accessed;
(3) when it is determined that the low-speed interface expansion subsystem 3 is hung on the NFC interface 2, performing handshake confirmation, in the handshake confirmation method, writing a set of agreed data streams (for example, a 32-bit 01 sequence) by a first system operation CPU to an agreed address (for example, address 5000) of a program data storage unit of the low-speed interface expansion subsystem 3, reading the agreed address (address 5000) in the low-speed interface expansion subsystem 3 by a second system operation CPU of the low-speed interface expansion subsystem 3, writing the agreed data streams back to an agreed address in the base system 1 (for example, writing back an address 8000 by a voice recognition subsystem, writing back an address 9000 by an infrared remote control subsystem, etc.) by the second system operation CPU of the low-speed interface expansion subsystem 3 if the read number is exactly the agreed data stream (for example, the 32-bit 01 sequence), and writing back different addresses represent different low-speed interface expansion subsystems 3, the CPU of the base system 1 will search for the agreed address in a traversal manner, and if it is found that the agreed address writes an agreed data stream (for example, a 32-bit 01 sequence), it indicates that the NFC interface 2 is accessed to the effective low-speed interface expansion subsystem 3, and the type of the low-speed interface expansion subsystem 3 can be determined according to the address where the data is stored;
if one NFC interface 2 scans that there is a circuit load, the first system operating CPU of the base system 1 will continue to perform traversal query of the agreed address after sending a handshake signal for a period of time, and when the agreed address is not found to have valid data streams for a certain number of times (for example, 1000 times) after querying, it indicates that the load circuit on the NFC interface 2 is not the agreed expansion subsystem, and it is determined that there is no low-speed interface expansion subsystem 2 mounted;
(4) after the low-speed interface expansion subsystem 3 completes the handshake, it can access the basic system 1 to work cooperatively.
The work flow of the low-speed interface expansion subsystem 3 is as follows:
taking the speech recognition low-speed interface extension subsystem as an example, the subsystem comprises an independent CPU, a program and a data storage unit, can be operated independently, and only needs to transmit the speech recognition result when working cooperatively with the basic system, so that the data interaction between the basic system and the extensible system can be minimized.
(1) After the circuit starts to work, the second system operation CPU directly reads the appointed address in the second program and the data storage unit according to a handshake protocol, after the second NFC induction circuit of the low-speed interface expansion subsystem 3 approaches to the first NFC induction circuit of the basic system 1, the first system operation CPU of the basic system 1 finds that the NFC interface 2 has circuit load when scanning the NFC interface 2 at regular time, then tries to perform handshake operation, according to the handshake flow in the work flow of the basic system, the first system operation CPU of the basic system 1 writes an appointed sequence to the appointed address, after the second system operation CPU of the low-speed interface expansion subsystem 3 reads the appointed sequence, then writes a specified sequence to the appointed address corresponding to the type of the low-speed interface expansion subsystem 3 in the basic system 1, when the first system operation CPU of the basic system 1 reads the appointed sequence at the appointed address, completing the handshake operation;
(2) the first system operation CPU of the basic system 1 controls the working switch of the second system operation CPU of the low-speed interface expansion subsystem 3, and when the second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, the second program and the data storage unit of the sub-low-speed interface expansion subsystem 3 are read to carry out program operation and data operation; when a second system operation CPU of the low-speed interface expansion subsystem 3 is in a work closing state, the whole system is in a low power consumption state so as to save electric energy;
(31) when a second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, when the microphone receives voice information, the voice information is sent to the voice recognition circuit unit; the voice recognition circuit unit receives control of a second system operation CPU of the low-speed interface expansion subsystem 3, is responsible for recognizing voice information when the microphone receives voice, firstly judges whether the voice is human voice or environmental noise, and then sends a recognition result to the second system operation CPU of the low-speed interface expansion subsystem 3 through a second transmission bus;
(41) then, after receiving the judgment result of the voice recognition circuit unit, the second system operation CPU of the low-speed interface extension subsystem 3 sends the voice recognition result to the first system operation CPU of the basic system 1 through the NFC interface 2 for use;
(51) the first system operation CPU of the basic system 1 may perform different command execution according to the speech recognition result, or convert into text input corresponding to the speech.
The above is the work flow of the low-speed interface expansion subsystem for speech recognition, and the work flow steps (1) and (2) of the other low-speed interface expansion subsystem 3 are the same as those of the low-speed interface expansion subsystem for speech recognition, but the flow of the functional unit part of the low-speed interface is different, and now the different flow parts are explained, for example:
if the system is an infrared remote control low-speed interface expansion subsystem:
(32) when the second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, when the infrared receiving and transmitting unit receives the infrared signal, the second transmission bus of the infrared signal is sent to the second system operation CPU of the low-speed interface expansion subsystem 3;
(42) then, the second system operation CPU of the low-speed interface expansion subsystem 3 receives the infrared receiving and transmitting unit and transmits the infrared receiving and transmitting unit to the first system operation CPU of the basic system 1 through the NFC interface 2 for use;
(52) the first system operating CPU of the base system 1 can perform various command executions according to the infrared signal.
If the gesture recognition low-speed interface expansion subsystem:
(33) when a second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, sending a gesture image shot by the camera to a gesture recognition unit; the gesture recognition unit receives control of a second system operation CPU of the low-speed interface expansion subsystem 3, recognizes gesture information, judges which operation is, and then sends a recognition result to the second system operation CPU of the low-speed interface expansion subsystem 3 through a second transmission bus;
(43) then, after receiving the judgment result of the gesture recognition unit, the second system operation CPU of the low-speed interface expansion subsystem 3 sends the recognition result to the first system operation CPU of the basic system 1 through the NFC interface 2 for use;
(53) the first system operation CPU of the base system 1 can perform different command executions according to the recognition result.
If the system is a low-speed interface expansion subsystem for physiological data acquisition:
(35) when a second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, when a body temperature sensor, a pulse rate sensor, a blood pressure sensor or a skin electric sensor receives related physiological information, the information is sent to a body temperature monitoring unit, a pulse rate monitoring unit, a blood pressure monitoring unit or a skin electric monitoring unit; the body temperature monitoring unit, the pulse monitoring unit, the blood pressure monitoring unit or the skin electricity monitoring unit are responsible for identifying physiological information under the control of a second system operation CPU of the low-speed interface expansion subsystem 3, and then transmitting an identification result to the second system operation CPU of the low-speed interface expansion subsystem 3 through a second transmission bus;
(45) then, after receiving the identification result, the second system operation CPU of the low-speed interface extension subsystem 3 sends the identification result to the first system operation CPU of the basic system 1 through the NFC interface 2;
(55) the first system operation CPU of the base system 1 can perform different command executions according to the recognition result.
If the low-speed interface is the low-speed interface expansion subsystem for face recognition:
(36) when a second system operation CPU of the low-speed interface extension subsystem 3 is in a working state, sending a face image shot by a camera to a face recognition unit; the face recognition unit receives the control of a second system operation CPU of the low-speed interface expansion subsystem 3, recognizes face information and then sends a recognition result to the second system operation CPU of the low-speed interface expansion subsystem 3 through a second transmission bus;
(46) then, after receiving the judgment result of the face recognition unit, the second system operation CPU of the low-speed interface extension subsystem 3 sends the recognition result to the first system operation CPU of the basic system 1 through the NFC interface 2 for use;
(56) the first system operation CPU of the base system 1 can perform different command executions according to the recognition result.
The low-speed interface expansion subsystem for photosensitive brightness adjustment comprises:
(37) when a second system operation CPU of the low-speed interface expansion subsystem 3 is in a working state, the light intensity information acquired by the light intensity sensor is sent to the light intensity-to-backlight intensity mapping unit; the light intensity-to-backlight intensity mapping unit receives control of a second system operation CPU of the low-speed interface expansion subsystem 3, compares light intensity information with a backlight mapping table in the light intensity-to-backlight mapping table storage unit, judges what backlight adjustment needs to be carried out, and then sends a judgment result to the second system operation CPU of the low-speed interface expansion subsystem 3 through a second transmission bus;
(47) then, after receiving the judgment result, the second system operation CPU of the low-speed interface expansion subsystem 3 sends the judgment result to the first system operation CPU of the basic system 1 through the NFC interface 2 for use;
(57) the first system operation CPU of the base system 1 can perform different command executions according to the recognition result, i.e. control the television backlight circuit to perform specific backlight adjustment.
For high-speed interface extension, the work flows of the basic system and the high-speed interface extension subsystem are as follows:
1) when the basic system starts to work, a first operating system CPU of the basic system can traverse and scan all the high-speed expansion interfaces, and when an effective signal in the high-speed expansion interface is detected to be effective, the high-speed expansion interface is indicated to be hung with a high-speed interface expansion subsystem;
2) when the high-speed interface expansion subsystem is hung on the high-speed expansion interface, handshake confirmation is carried out, the handshake confirmation method is that a group of agreed data streams are written by a first system operation CPU to agreed addresses of a third program data storage unit of the high-speed interface expansion subsystem, the agreed addresses are read by a third system operation CPU of the high-speed interface expansion subsystem all the time, if the read data streams are the agreed data streams, the agreed data streams are written back to the agreed addresses in a basic system by the third system operation CPU of the high-speed interface expansion subsystem, different addresses represent different high-speed interface expansion subsystems, the first system operation CPU of the basic system can search the agreed addresses in a traversing mode, and if the agreed data streams are written by the agreed addresses, the high-speed expansion interface is accessed to the effective high-speed interface expansion subsystem, judging the type of the high-speed interface expansion subsystem according to the address of data storage;
3) and when the handshake confirms the type of the high-speed interface expansion subsystem, the access basic system can start normal cooperative work.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (12)
1. An extensible smart television, characterized in that: the low-speed interface expansion subsystem is detachably connected to the back face of the television through the NFC interface.
2. The scalable smart television set as claimed in claim 1, wherein: the NFC interface is two card form pasters for dismantling the connection, one of them card form paster integration in on the low-speed interface extension subsystem and be located the surface of low-speed interface extension subsystem, another card form paster integration in on the basic system and be located the back of TV set, and these two card form pasters are through pasting or magnet adsorption connection.
3. An expandable smart tv as claimed in claim 1 or 2, wherein:
the television set further comprises at least one high-speed expansion interface and at least one high-speed interface expansion subsystem, wherein the high-speed interface expansion subsystem is detachably connected to the back or the side of the television set through the high-speed expansion interface.
4. The scalable smart television set as claimed in claim 3, wherein:
the basic system comprises a data communication control unit, a first transmission bus, a first system operation CPU, a first program and data storage unit, an image enhancement unit, a television code stream decoding unit, a display control unit and a television screen; the data communication control unit is respectively connected with the first system operation CPU, the first program and data storage unit, the image enhancement unit, the television code stream decoding unit, the display control unit and the television screen through the first transmission bus;
the low-speed interface extension subsystem comprises a second transmission bus, a second system operation CPU, a second program and data storage unit, a low-speed interface functional unit and an NFC transceiving control unit; the second transmission bus is respectively connected with the second system operation CPU, a second program and data storage unit, a low-speed interface functional unit and an NFC receiving and transmitting control unit, and the second system operation CPU is also connected with the NFC receiving and transmitting control unit;
the NFC interface comprises at least one first NFC induction circuit and at least one second NFC induction circuit, the first NFC induction circuit is connected with the data communication control unit of the basic system, and the second NFC induction circuit is connected with the NFC transceiving control unit of the low-speed interface expansion subsystem; the first NFC induction circuit and the second NFC induction circuit are detachably connected in a one-to-one correspondence mode;
the high-speed interface expansion subsystem comprises a third transmission bus, a third system operation CPU, a third program and data storage unit and a high-speed interface functional unit; the third transmission bus is respectively connected with the third system operation CPU, a third program and data storage unit and a high-speed interface functional unit;
the high-speed expansion interface comprises at least one first Unipro protocol controller, a first MIPI-PHY interface, a second MIPI M-PHY interface and at least one second Unipro protocol controller, the first MIPI M-PHY interface is connected with the data communication control unit of the basic system through the first Unipro protocol controller, the second MIPI M-PHY interface is connected with a third transmission bus of the high-speed interface expansion subsystem through the second Unipro protocol controller, and the first MIPI-PHY interface and the second MIPI M-PHY interface are detachably connected.
5. The scalable smart television set as claimed in claim 4, wherein: for low speed interface extension, the workflow of the basic system is:
(1) after the basic system circuit starts working, the first system operation CPU is responsible for performing read-write operation on a first program and a data storage unit through a first transmission bus to complete system starting;
(2) after the system is started, the first system operation CPU periodically scans the first NFC induction circuit one by one through the first transmission bus and the data communication control unit to determine which NFC interface is hung with the low-speed interface extension subsystem until all NFC interfaces are scanned;
(3) when the NFC interface is determined to be hung with the low-speed interface expansion subsystem, handshake confirmation is carried out, the handshake confirmation method is that a group of agreed data streams are written into an agreed address of a second program data storage unit of the low-speed interface expansion subsystem by a first system operation CPU, the agreed address is read by a second system operation CPU of the low-speed interface expansion subsystem all the time, if the read number is exactly the agreed data stream, the second system operation CPU of the low-speed interface expansion subsystem will write the agreed data stream back to the agreed address in the basic system, different addresses represent different low-speed interface expansion subsystems, the first system operation CPU of the basic system will traverse the agreed address, if the agreed address is found to write the agreed data stream, the NFC interface is accessed to the effective low-speed interface expansion subsystem, and the type of the low-speed interface expansion subsystem is judged according to the address stored by the data;
(4) after the low-speed interface expansion subsystem finishes handshaking, the low-speed interface expansion subsystem can be accessed into the basic system to work together.
6. The scalable smart television set as claimed in claim 5, wherein:
in the step (3), if a circuit load is scanned on one NFC interface, the first system operating CPU of the base system may continuously perform traversal query on the agreed address after sending the handshake signal for a period of time, and after querying for a certain number of times, it is found that there is no valid data stream in all the agreed addresses, it indicates that the load circuit on the NFC interface is not the agreed low-speed interface expansion subsystem, it is determined that there is no mounted low-speed interface expansion subsystem, and then scanning of the next NFC interface is started until all the NFC interfaces are scanned completely.
7. An expandable smart tv as claimed in claim 4 or 5, wherein:
the working process of the low-speed interface expansion subsystem is as follows:
(1) after the second NFC sensing circuit approaches the first NFC sensing circuit of the basic system, the first system operation CPU finds that circuit load occurs on the NFC interface when scanning the NFC interface at fixed time, and then tries to perform handshake operation until the handshake operation is completed;
(2) when the second system operation CPU of the low-speed interface extension subsystem is in a working state, a second program and a data storage unit of a sub-low-speed interface extension subsystem are read to carry out program operation and data operation; when a second system operation CPU of the low-speed interface expansion subsystem is in a working closing state, the whole system is in a low power consumption state so as to save electric energy;
(3) when a second system operation CPU of the low-speed interface expansion subsystem is in a working state, the low-speed interface functional unit receives the control of the second system operation CPU, is responsible for receiving and identifying functional operation information, and then sends an identification result to the second system operation CPU through a second transmission bus;
(4) and then the second system operation CPU sends the identification result to the first system operation CPU of the basic system through the NFC interface after receiving the identification result.
8. The scalable smart television set as claimed in claim 4, wherein: the low-speed interface functional unit in the low-speed interface extension subsystem is at least one of a voice low-speed interface functional unit, an infrared remote control unit, a gesture recognition low-speed interface functional unit, a physiological data acquisition unit, a face recognition unit and a photosensitive brightness adjustment unit.
9. The scalable smart television set as claimed in claim 8, wherein:
the voice low-speed interface functional unit comprises a voice recognition unit and a microphone, and the microphone is connected with the second transmission bus through the voice recognition unit;
the infrared remote control unit is an infrared receiving and transmitting unit which is connected with the second transmission bus;
the gesture recognition low-speed interface functional unit comprises a gesture recognition unit and a camera, and the camera is connected with the second transmission bus through the gesture recognition unit;
the physiological data acquisition unit comprises at least one of a body temperature acquisition unit, a pulse acquisition unit, a blood pressure acquisition unit and a skin electricity acquisition unit; the body temperature acquisition unit, the pulse acquisition unit, the blood pressure acquisition unit and the skin electricity acquisition unit are all connected with the second transmission bus;
the face recognition unit comprises a camera and a face recognition unit, and the camera is connected with the second transmission bus through the face recognition unit;
the light sensing brightness adjusting unit comprises a light intensity sensor, a light intensity-to-backlight intensity mapping unit, a light intensity-to-backlight mapping table storage unit and a backlight adjusting control unit, and the light intensity-to-backlight intensity mapping unit is connected with the second transmission bus; the light intensity sensor, the light intensity-to-backlight mapping table storage unit and the backlight adjustment control unit are all connected to the light intensity-to-backlight intensity mapping unit, and the backlight adjustment control unit is connected to the television backlight circuit.
10. The scalable smart television set as claimed in claim 4, wherein: the high-speed interface function unit of the high-speed interface expansion subsystem is at least one of a high-speed wireless connection unit and a display function unit.
11. The scalable smart tv set according to claim 10, wherein:
the high-speed wireless connection unit comprises an RF (radio frequency) transceiver unit and a WIFI (wireless fidelity) controller, and the RF transceiver unit is connected with the third transmission bus through the WIFI controller;
the display function unit comprises a display screen and a display control unit, and the display screen is connected with the third transmission bus through the display control unit.
12. The scalable smart television set as claimed in claim 4, wherein:
for high-speed interface extension, the work flows of the basic system and the high-speed interface extension subsystem are as follows:
1) when the basic system starts to work, a first operating system CPU of the basic system can traverse and scan all the high-speed expansion interfaces, and when an effective signal in the high-speed expansion interface is detected to be effective, the high-speed expansion interface is indicated to be hung with a high-speed interface expansion subsystem;
2) when the high-speed interface expansion subsystem is hung on the high-speed expansion interface, handshake confirmation is carried out, the handshake confirmation method is that a group of agreed data streams are written by a first system operation CPU to agreed addresses of a third program data storage unit of the high-speed interface expansion subsystem, the agreed addresses are read by a third system operation CPU of the high-speed interface expansion subsystem all the time, if the read data streams are the agreed data streams, the agreed data streams are written back to the agreed addresses in a basic system by the third system operation CPU of the high-speed interface expansion subsystem, different addresses represent different high-speed interface expansion subsystems, the first system operation CPU of the basic system can search the agreed addresses in a traversing mode, and if the agreed data streams are written by the agreed addresses, the high-speed expansion interface is accessed to the effective high-speed interface expansion subsystem, judging the type of the high-speed interface expansion subsystem according to the address of data storage;
3) and when the handshake confirms the type of the high-speed interface expansion subsystem, the access basic system can start normal cooperative work.
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| CN201510315591.6A CN104935839A (en) | 2015-06-10 | 2015-06-10 | Extensible smart television |
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| CN201510315591.6A CN104935839A (en) | 2015-06-10 | 2015-06-10 | Extensible smart television |
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