CN1777247A

CN1777247A - Digital television receiver working method based on IP protocol

Info

Publication number: CN1777247A
Application number: CNA2004100842082A
Authority: CN
Inventors: 金千成
Original assignee: Shanghai LG Electronics Co Ltd
Current assignee: Shanghai LG Electronics Co Ltd
Priority date: 2004-11-16
Filing date: 2004-11-16
Publication date: 2006-05-24

Abstract

The invention relates to method for making digital TV based on IP protocol operate using control program. While the control program mode in dynamic control state to control normal action, it judges the system whether in error action, if the system is in error action, the control program mode is converted into static control state, the actuation system is re-lead in. When the re-leading is finished, the control program is converted into dynamic control stare. Advantages: improved control program structure without increasing hardware cost, kept TV receiving while system re-leading because of abnormal work.

Description

Method of work based on the digital television of IP agreement

Technical field

Carry out system because of in application system, making a mistake and heavily import even the present invention relates to digital television based on the IP agreement, method of work that also can combine digital television set inherent function based on the digital television of IP agreement.

Background technology

Along with the development of information age, can the most easily obtain communication medium---the internet of the information of all spectras such as society, culture, economy, physical culture, in actual life, also occupy critical positions, its development prospect is wide.

Thereby as the media that is used to use the internet, PC sharply increases.Television set also should be developed the digital television based on the IP agreement that can carry out the television broadcasting audiovisual and have Internet function from being used to receive broadcasting merely and carrying out the requirement of the one-way media of audiovisual to the amphicheirality's communication medium development that can carry out message pick-up and transmission; And, constantly carry on technical development with information-based development of times.

Below, with reference to accompanying drawing above-mentioned digital television based on the IP agreement is described.

Fig. 1 is the simple structure chart of showing that the common digital television based on the IP agreement constitutes.

With reference to Fig. 1, digital television based on the IP agreement comprises: receive the information of the IP address that has been provided with and corresponding information is upgraded at each special time, in updated information, with the information translation of corresponding ad hoc the Internet address become can audiovisual video and the internet module 100 of audio-frequency information form and output; To TV broadcast channel and IP address, broadcasting channel number that distributing user is set and storage, if the channel number that the user selects is an internet channel correlation number, then to the corresponding IP address of above-mentioned internet module 100 outputs, and the television set module 110 of in view of the above video and the audio-frequency information of internet module 100 outputs being carried out video and Audio Processing and output.

At this moment, internet module 100 comprises: the network adapter 101 that network is connected by public telephone network/local area network (LAN)/cable (PSTN/LAN/CABLE) etc. with internet module 100; The memory cell 102 of storage base program and various information; Be connected with the internet webpage that has been provided with at each special time, read corresponding information, store in the memory cell 102 and memory contents is upgraded, and the CPU103 that changes of the information emission/reception undertaken by above-mentioned network adapter 101 of control and video/audio; The I/O unit 104 of the control information of I/O television set module 110 and internet module 100; In internet information, convert audio-frequency information to analog signal and transfer to the audio frequency D/A converting unit 105 of television set module 110 by network adapter 101 input; In the internet information of network adapter 101 inputs, video information is carried out the Graphics Processing Unit 106 of graphics process; The ntsc decoder 107 that NTSC decodes and exports television set module 110 to is carried out in the output of Graphics Processing Unit 106.

And television set module 110 comprises: to selecting with the corresponding video/audio signal of user-selected broadcasting channel and the tuner/IF unit 111 of intermediate frequency process; The output unit 114,117 of output video and audio frequency; According to switching signal, in the video/audio signal and video/audio signal selected by above-mentioned tuner/IF unit 111, select one of them also A/V converting unit 112 of output by internet module 100 transmission; To TV broadcast channel and IP address, the memory cell 118 of broadcasting channel number that the difference distributing user is set and storage; The Internet channel number in the channel number that if user-selected channel number is a said memory cells 118 to be stored, then from memory cell 118, read corresponding IP address and export internet module 100 to, and output makes A/V converting unit 112 be transformed into the microcomputer 119 of the switching signal of internet module 100 1 sides; Signal processing is carried out in output to A/V converting unit 112, so that it can be by the video processing unit 113 and the audio treatment unit 116 of output unit 114,117 outputs.

But,,, then exist and must interrupt TV watching and stand the problem that heavily imports for a long time if the wrong computing because of taking place in the process that televiews requires system heavily to import for above-mentioned existing digital television based on existing IP agreement.

Simultaneously, have following problem: the basic function of television set---TV watching is hindered if make because of the unsteadiness of system, and then it becomes based on the digital television of the IP agreement fatal shortcoming as household electrical appliances.

And, also exist for the problem that the Auxiliary Control Element of confirming the system acting state and being provided with increases the hardware and software expense.

Moreover, answer user's multimedia and Internet service requirement, control structure based on the digital television of IP agreement becomes very complicated, so the common application system of cooperation window and so on gears to actual circumstances, but it exists because of using the common application system to make system's problem of unstable.

Summary of the invention

Thereby, the object of the present invention is to provide use window based on the digital television irregular working of IP agreement the time, heavily import the method for work that television set also continues to keep to receive based on the digital television of IP agreement even carry out system.

Another object of the present invention is to be provided in the time of must heavily importing because of the window malfunction, can carry out the heavily importing of software program to system, is the method for work based on the digital television of IP agreement of normal operating conditions with system restoration.

To achieve these goals, according to an aspect of the present invention, utilize control program that the method based on the digital television work of IP agreement is comprised: during above-mentioned control program pattern is carried out regular event with dynamic state of a control, judge whether the sensory perceptual system misoperation, if perceive system's misoperation through judgement, then after above-mentioned control program mode switch was become static state of a control, executive system heavily imported; Finishing if system heavily imports, is dynamic state of a control with above-mentioned control program mode switch.

Above-mentioned control program comprises application program, middleware software, device driver.

The state of above-mentioned dynamic state of a control for can be in based on the digital television of IP agreement internet module and television set module all being used, above-mentioned static state of a control is for can only using the state of television set module in based on the digital television of IP agreement.

Judging whether the sensory perceptual system misoperation, then is that above-mentioned control program utilizes status indication set in the window registers to judge.

Above-mentioned status indication is confirmed whether operate as normal and whether indicate operate as normal of system by kernel program with some cycles.

The method of work of the digital television of coordinating based on IP that the present invention can provide that the common application system that can use window and so on makes that confidence level based on the digital television of IP agreement improves.

And the present invention can also be provided at the structure that improves control program under the situation that does not increase hardware costs, because of system's irregular working weighed between the introduction period, also can carry out the method for work based on the Digital Television of IP agreement of basic television reception.

Description of drawings

Fig. 1 is the simple structure chart of showing that the common digital television based on the IP agreement constitutes;

Fig. 2 is the simple schematic diagram based on the formation of the digital television receiving element of IP agreement of showing a desirable embodiment of the present invention;

Fig. 3 is the method for work schematic diagram based on the digital television of IP agreement of a desirable embodiment of the present invention;

Fig. 4 a is the schematic diagram of the dynamic state of a control of a desirable embodiment of the present invention;

Fig. 4 b is the schematic diagram of the static state of a control of a desirable embodiment of the present invention.

Accompanying drawing major part symbol description

100: internet module 101: network adapter

102: memory cell 103:CPU

104: I/O unit 105: audio frequency D/A converting unit

106: Graphics Processing Unit 107:NTSC decoder

110: television set module 111: tuner/IF unit

112:A/V converting unit 113: video processing unit

114:CPT 115: the deflection processing unit

116: audio treatment unit 117: loud speaker

200: hardware 210: software

220: window 230: control program

Embodiment

Below, with reference to accompanying drawing desirable embodiment of the present invention is elaborated.

Fig. 2 is the simple schematic diagram based on the formation of the digital television receiving element of IP agreement of showing a desirable embodiment of the present invention.

With reference to Fig. 2, roughly constitute by hardware 200 and software 210 based on the digital television of IP agreement.

Detailed description to hardware 200 is carried out with reference to Fig. 1.

Software 210 is by the common application system---and window (Windows) 220 and control program 230 constitute.At this, control program 230 comprises application program 232, middleware software 234, device driver 236.

Application program 232 and middleware software 234 are carried out the input of process user or are handled the work of periodic data.

Device driver 236 realizes that the I/O of data of hardware 200 is so that user's input is reflected on the hardware 200 or deal with data periodically.

Above-mentioned control program 230 imports processing with the user and periodic data processing is a benchmark, is divided into dynamic state of a control and static state of a control.

Detailed description to dynamic state of a control is carried out with reference to Fig. 4 a, and the detailed description of static state of a control is then carried out with reference to Fig. 4 b.

In the digital television based on the IP agreement that as above constitutes, if make a mistake in the application system, then as shown in Figure 3, control program 230 is converted to static state of a control from dynamic state of a control.

Fig. 3 is the method for work schematic diagram based on the digital television of IP agreement of a desirable embodiment of the present invention.

With reference to Fig. 3, if in response to requiring heavily to import with the wrong computing of system, control program then from dynamic state of a control (dynamic control status) after static state of a control (staticcontrol status) translative mode, executive system heavily imports.

If system heavily imports and is finished, above-mentioned control program is dynamic state of a control with mode switch once more then.

At this moment, above-mentioned control program utilizes status indication set in the window registers, judges whether operate as normal of system.Above-mentioned status indication is pressed the some cycles setting by kernel program (kemel).That is, whether above-mentioned kernel program normally confirm system by some cycles, indicates mark with 0,1 in above-mentioned window registers, and whether the expression system operate as normal.

So above-mentioned control program confirms the status indication that indicates in the above-mentioned window registers, judge whether operate as normal of system.If through judging, above-mentioned status indication shows irregular working, above-mentioned control program then after mode switch is static state of a control, heavily imports system.Afterwards, above-mentioned control program is converted to dynamic state of a control once more.

If through judging, above-mentioned status indication shows operate as normal, above-mentioned control program is then with dynamic state of a control work.

Fig. 4 a is the schematic diagram of the dynamic state of a control of a desirable embodiment of the present invention.

With reference to Fig. 4 a, dynamically state of a control is to carry out the digital television of various modes and to control (instruction) sequence when handling periodic data such as multiple user's input and PSIP chart and various interrupt signal.

Thereby above-mentioned dynamic state of a control is as the state of system's operate as normal, and television set module and internet module can both use.

Control program under the above-mentioned dynamic state of a control is done more detailed explanation, and promptly user interface is handled and provided to application program to user's input of remote controller, keyboard, mouse etc.

Middleware software periodically receives PSIP chart or channel information and handles, and carries out the program of EPG and so on and offer the user.

The said equipment driver can be handled the various interrupt signals that generate in each hardware etc., carries out the control program of various modes.

With reference to Fig. 4 b, static state of a control is meant the state that does not exist the user to import or do not carry out the periodic data processing.That is, above-mentioned static state of a control though it does not use internet module, can be used the television set module as the state that each hardware control unit suitably constitutes according to initial stage control (instruction) sequence.

Thereby above-mentioned static state of a control can't be carried out various interrupt signals processing and the user imports processing, also can't carry out input of periodic PSIP data or channel information and processing.

The present invention is not limited to the foregoing description, certainly carries out various deformation by the staff of this area within thought of the present invention.

Claims

1, a kind of method of work of the digital television based on the IP agreement should be utilized control program work based on digital television of IP agreement, it is characterized in that, comprised with the next stage:

During carrying out regular event with dynamic state of a control, judge whether the stage of sensory perceptual system misoperation in the control program pattern;

If perceive system's misoperation through judgement, then after above-mentioned control program mode switch is static state of a control, the stage that executive system heavily imports;

If said system heavily imports and is finished, stage that is dynamic state of a control with above-mentioned control program mode switch then.

2, the method for work of the digital television based on the IP agreement as claimed in claim 1 is characterized in that described control program comprises application program, middleware software, device driver.

3, the method for work of the digital television based on the IP agreement as claimed in claim 1 is characterized in that, the digital television that described dynamic state of a control is based on the IP agreement can both use the state of internet module and television set module.

4, the method for work of the digital television based on the IP agreement as claimed in claim 1 is characterized in that, the digital television that described static state of a control is based on the IP agreement only can use the state of television set module.

5, the method for work of the digital television based on the IP agreement as claimed in claim 1 is characterized in that, judges whether that the misoperation of perception said system is that control program utilizes the status indication that is provided with in the window registers to judge.

6, the method for work of the digital television based on the IP agreement as claimed in claim 5 is characterized in that, described status indication is confirmed whether operate as normal and whether indicate operate as normal of system with some cycles.