CN101610371A - The communication means of television set and chip in television - Google Patents
The communication means of television set and chip in television Download PDFInfo
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- CN101610371A CN101610371A CNA2009101617046A CN200910161704A CN101610371A CN 101610371 A CN101610371 A CN 101610371A CN A2009101617046 A CNA2009101617046 A CN A2009101617046A CN 200910161704 A CN200910161704 A CN 200910161704A CN 101610371 A CN101610371 A CN 101610371A
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Abstract
The embodiment of the invention discloses the communication means of a kind of television set and chip in television, belong to technical field of television sets.Solve prior art and had cost height, the dissatisfactory technical problem of versatility.This television set, at least one functional chip that comprises master chip and link to each other and controlled by master chip with master chip, master chip is used to receive user's control command and according to the control command of user's control command to functional chip transmission Simulation with I R signal format, comes the controlled function chip by control command.The communication means of this chip in television may further comprise the steps: master chip receives user's control command and according to the control command of user's control command to functional chip transmission Simulation with I R signal format, comes the controlled function chip by control command.The present invention is applied to improve television set.
Description
Technical field
The invention belongs to technical field of television sets, be specifically related to the communication means of a kind of television set and this chip in television.
Background technology
Along with the continuous development of electronic technology, television set has become one of household electrical appliance the most common in people's daily life.
Television function from strength to strength, used various functional chips (or functional module) are also more and more in it, enhancing along with the television set compatibility function, the various functional chips of difference in functionality all have been integrated in the television set, communication between each functional chip is intractable often, and some functional chip is not supported SLAVE IIC pattern.
Prior art increases extra Communication Control chip for solving the communication issue between the functional chip between different functional chips, support communication between the different functional chips by the Communication Control chip.
The inventor finds that there is following problem at least in prior art in realizing process of the present invention:
The Communication Control chip that is increased in the prior art has not only increased cost, and the standard of the Communication Control chip of different manufacturers production is also inconsistent, the kind of the functional chip that every kind of communication control chip can be supported is very limited, so versatility is also not ideal enough.
Summary of the invention
The embodiment of the invention provides the communication means of a kind of television set and this chip in television, has solved prior art and has had cost height, the dissatisfactory technical problem of versatility.
For achieving the above object, embodiments of the invention adopt following technical scheme:
This television set, at least one functional chip that comprises master chip and link to each other and controlled by described master chip with described master chip, described master chip is used to receive user's control command and according to the control command of described user's control command to described functional chip transmission Simulation with I R signal format, controls described functional chip by described control command.
Further, described master chip is provided with GPIO control pin, and described master chip sends described control command by described GPIO control pin to described functional chip.
Further, described user's control command is an infrared remote-controlled signal.
Further, the control command of described Simulation with I R signal format adopts pulse length to encode.
Further, this television set comprises at least two described functional chips, and the data waveform of the control command of described Simulation with I R signal format comprises systematic code and command code, wherein:
Described systematic code is used to distinguish each described functional chip;
Described command code is used to control described functional chip and finishes corresponding operating.
Further, the data waveform of the control command of described Simulation with I R signal format also comprises the AGC pulse, and described AGC pulse is used to be provided with the gain of the IR receiver on the described functional chip.
Further, to be 8 and its carrier frequency be 38K for described systematic code and command code.
Further, the time span of each is 1.12ms or 2.25ms in described 8.
The communication means of this chip in television may further comprise the steps:
Described master chip receives user's control command and according to the control command of described user's control command to described functional chip transmission Simulation with I R signal format, controls described functional chip by described control command.
Further, described master chip sends the method for the control command of Simulation with I R signal format, specifically may further comprise the steps:
Described master chip uses pulse length that described user's control command is encoded according to described user's control command;
Described master chip sends the AGC pulse to the IR receiver of described functional chip;
The gain of the IR receiver of the described functional chip of described AGC pulse regulation;
Described master chip is after idle a period of time, and the IR receiver of described functional chip is sent address code, command code successively;
The described address code that described master chip will send, the position negate of described command code, and then be sent to the IR receiver of described functional chip;
Whether the address code that the checking of described functional chip is received for the second time, command code are to obtain after the address code that received for the first time, the command code negate, if then carry out corresponding operating.
Compared with prior art, the arbitrary technical scheme in the technique scheme provided by the present invention has following advantage:
Master chip in the television set provided by the present invention can receive user's control command and according to the control command of user's control command to functional chip transmission Simulation with I R signal format, come the controlled function chip by control command.Because functional chip is controlled by master chip all, functional chip is directly communicated by letter with master chip, when if this television set comprises at least one functional chip, communicating by letter between master chip and the functional chip need not to increase extra Communication Control chip, when if this television set comprises at least two functional chips, relatively independent between each functional chip, so also need not to increase extra Communication Control chip, so not only saved device, reduced cost and most of functional chip all can receive, the control command of identification Simulation with I R signal format, and then versatility is also even more ideal, has the cost height so solved prior art, the dissatisfactory technical problem of versatility.
In addition, when comprising at least two functional chips, because relatively independent between the functional chip as if this television set, influence less each other, be connected with master chip after each functional chip designs, different functional chips can separate independent check, so the construction cycle is short, development risk is little again.
Description of drawings
Fig. 1 is the schematic diagram of the annexation between master chip in the television set that embodiments of the invention provided and the various functional chip;
Fig. 2 is the waveform schematic diagram of logical one and logical zero in the communication means of the chip in television that embodiments of the invention provided;
Fig. 3 is the schematic diagram of a frame data waveform in the communication means of the chip in television that embodiments of the invention provided;
Fig. 4 is the schematic diagram of the waveform of a kind of execution mode of systematic code and instruction sign indicating number in the communication means of the chip in television that embodiments of the invention provided;
Fig. 5 is the schematic flow sheet of the communication means of the chip in television that embodiments of the invention provided;
Fig. 6 is the schematic flow sheet of the method for the control command of the master chip transmission Simulation with I R signal format that the embodiment of the invention provided.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The embodiment of the invention provides a kind of with low cost, versatility is comparatively desirable, the construction cycle is short and development risk the is little television set and the communication means of this chip in television.
As shown in Figure 1, the television set that the embodiment of the invention provided, at least one functional chip that comprises master chip and link to each other and controlled by master chip with master chip, three functional chips of master chip control are functional chip 1, functional chip 2 and functional chip 3 in the present embodiment, master chip is used to receive user's control command and according to the control command of user's control command to each functional chip transmission Simulation with I R (remote control) signal format, controls each functional chip by control command.
Master chip in the television set provided by the present invention can receive user's control command and according to the control command of user's control command to functional chip transmission Simulation with I R signal format, come the controlled function chip by control command.Because functional chip is controlled by master chip all, functional chip is directly communicated by letter with master chip, when if this television set comprises at least one functional chip, communicating by letter between master chip and the functional chip need not to increase extra Communication Control chip, when if this television set comprises at least two functional chips, relatively independent between each functional chip, so also need not to increase extra Communication Control chip, so not only saved device, reduced cost and most of functional chip all can receive, the control command of identification Simulation with I R signal format, and then versatility is also even more ideal, has the cost height so solved prior art, the dissatisfactory technical problem of versatility.
In addition, when comprising at least two functional chips, because relatively independent between the functional chip as if this television set, influence less each other, be connected with master chip after each functional chip designs, different functional chips can separate independent check, so the construction cycle is short, development risk is little again.
Certainly, functional chip also can be functional module or have the device that Simulation with I R signal format received, discerns, carried out function in the present embodiment.
Master chip is provided with GPIO control pin, and master chip is controlled pin to the functional chip transmitting control commands by GPIO.GPIO control pin is general I/O control port, and this port can be configured to respectively input or output by software.
User's control command is an infrared remote-controlled signal.Send the television set that user's control command makes things convenient for user's far distance controlled embodiment of the invention to be provided by infrared remote-controlled signal, certainly, user's control command also can directly input to master chip by the television set button in the present embodiment.
The control command of Simulation with I R signal format adopts pulse length to encode.Adopt the encode transmission quality of back data of pulse length can receive, discern the control command that the employing pulse length is encoded than higher and most of functional chips are equal.
This television set comprises at least two described functional chips as shown in Figure 1 in the present embodiment, and the data waveform of the control command of Simulation with I R signal format as shown in Figure 3 comprises systematic code and command code, wherein:
Systematic code is used to distinguish functional chip;
Command code is used for the controlled function chip and finishes corresponding operating.
Systematic code also claims address code, is used to indicate the address of control command transmission, and for example: which functional chip is this control command should be sent to; Which operation command code deixis chip should finish.
The data waveform of the control command of Simulation with I R signal format also comprises the AGC pulse, and the AGC pulse is used to be provided with the gain of the IR receiver on the functional chip.The AGC pulse sets the IR receiver on the functional chip, and it is in after the suitable accepting state, again to IR receiver transmitting system sign indicating number and command code on the functional chip.
It is 38K that systematic code and command code are 8 and its carrier frequency.8 systematic code and command code are more common, and carrier frequency is that the control command laser propagation effect of Simulation with I R signal format of 38K is more stable.
Figure 3 shows that a frame data waveform, i.e. the logic query of an agreement.(least significant bit sends prior to MSB (highest significant position) LSB in this agreement.For example: byte 00001111,0 of the left side is exactly MSB, and 1 of the right is exactly LSB.
As shown in Figure 2, the time span of each is 1.12ms or 2.25ms in 8.Each high level is that the 38K carrier wave of 560 μ s constitutes (about 21 cycles) by length in the present embodiment.The logical one transmitting time of 1 (bit) is 2.25ms, and the transmitting time of 1 logical zero is 1.12ms.
Figure 4 shows that systematic code is 0xBF, the waveform schematic diagram of the data waveform of the control command of Simulation with I R signal format provided by the present invention when command code is 0x14, wherein: " 0x " represents 16 systems, and " BF " represents the address of one of them functional chip, and " 14 " represent a control command.
As shown in Figure 5, the embodiment of the invention also provides a kind of communication means of chip in television, may further comprise the steps:
Master chip receives user's control command and according to the control command of user's control command to functional chip transmission Simulation with I R signal format, comes the controlled function chip by control command.
Because the embodiment of the invention television set that is provided with the invention described above embodiment is provided has identical technical characterictic, so also can produce identical technique effect, solves identical technical problem.
As shown in Figure 6, master chip sends the method for the control command of Simulation with I R signal format in the present embodiment, specifically may further comprise the steps:
S1, master chip use pulse length that user's control command is encoded according to user's control command;
S2, master chip send AGC pulse (duration can be 9ms) to the IR receiver of functional chip;
The gain of the IR receiver of S3, AGC pulse regulation functional chip;
Idle a period of time of S4, master chip (for example: 4.5ms), the IR receiver of functional chip is sent address code, command code successively;
The address code that S5, master chip will send, the negate of command code position, and then be sent to the IR receiver of functional chip;
Whether the address code that the checking of S6, functional chip is received for the second time, command code are to obtain after the address code that received for the first time, the command code negate, if then carry out corresponding operating.Certainly, among the above-mentioned steps S6, functional chip also can will compare with the address code, the command code that are received for the first time after its address code that is received for the second time, the command code negate, then carries out corresponding operating after the contrast unanimity.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of television set, it is characterized in that: at least one functional chip that comprises master chip and link to each other and controlled by described master chip with described master chip, described master chip is used to receive user's control command and according to the control command of described user's control command to described functional chip transmission Simulation with I R signal format, controls described functional chip by described control command.
2, television set according to claim 1 is characterized in that: described master chip is provided with GPIO control pin, and described master chip sends described control command by described GPIO control pin to described functional chip.
3, television set according to claim 1 is characterized in that: described user's control command is an infrared remote-controlled signal.
4, television set according to claim 1 is characterized in that: the control command of described Simulation with I R signal format adopts pulse length to encode.
5, television set according to claim 4 is characterized in that: this television set comprises at least two described functional chips, and the data waveform of the control command of described Simulation with I R signal format comprises systematic code and command code, wherein:
Described systematic code is used to distinguish described functional chip;
Described command code is used to control described functional chip and finishes corresponding operating.
6, television set according to claim 5 is characterized in that: the data waveform of the control command of described Simulation with I R signal format also comprises the AGC pulse, and described AGC pulse is used to be provided with the gain of the IR receiver on the described functional chip.
7, television set according to claim 5 is characterized in that: it is 38K that described systematic code and command code are 8 and its carrier frequency.
8, television set according to claim 7 is characterized in that: the time span of each is 1.12ms or 2.25ms in described 8.
9, the communication means of any described chip in television of a kind of claim 1 to 8 is characterized in that: may further comprise the steps:
Described master chip receives user's control command and according to the control command of described user's control command to described functional chip transmission Simulation with I R signal format, controls described functional chip by described control command.
10, the communication means of chip in television according to claim 9 is characterized in that: described master chip sends the method for the control command of Simulation with I R signal format, specifically may further comprise the steps:
Described master chip uses pulse length that described user's control command is encoded according to described user's control command;
Described master chip sends the AGC pulse to the IR receiver of described functional chip;
The gain of the IR receiver of the described functional chip of described AGC pulse regulation;
Described master chip is after idle a period of time, and the IR receiver of described functional chip is sent address code, command code successively;
The described address code that described master chip will send, the position negate of described command code, and then be sent to the IR receiver of described functional chip;
Whether the address code that the checking of described functional chip is received for the second time, command code are to obtain after the address code that received for the first time, the command code negate, if then carry out corresponding operating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101617046A CN101610371B (en) | 2009-07-31 | 2009-07-31 | Television and communication method of chip in television |
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| CN2009101617046A CN101610371B (en) | 2009-07-31 | 2009-07-31 | Television and communication method of chip in television |
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| CN101610371A true CN101610371A (en) | 2009-12-23 |
| CN101610371B CN101610371B (en) | 2012-01-11 |
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| CN2009101617046A Active CN101610371B (en) | 2009-07-31 | 2009-07-31 | Television and communication method of chip in television |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009111A (en) * | 2019-12-12 | 2020-04-14 | 上海龙旗科技股份有限公司 | Data coding modulation method and system based on SPI bus |
| CN115396243A (en) * | 2022-10-27 | 2022-11-25 | 武汉思创易控科技有限公司 | PoE power supply control method, storage medium and terminal |
-
2009
- 2009-07-31 CN CN2009101617046A patent/CN101610371B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009111A (en) * | 2019-12-12 | 2020-04-14 | 上海龙旗科技股份有限公司 | Data coding modulation method and system based on SPI bus |
| CN111009111B (en) * | 2019-12-12 | 2021-08-27 | 上海龙旗科技股份有限公司 | Data coding modulation method and system based on SPI bus |
| CN115396243A (en) * | 2022-10-27 | 2022-11-25 | 武汉思创易控科技有限公司 | PoE power supply control method, storage medium and terminal |
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| CN101610371B (en) | 2012-01-11 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co., Ltd Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |