CN101959007A - Method for realizing Chinese character input in embedded type set-top box system - Google Patents
Method for realizing Chinese character input in embedded type set-top box system Download PDFInfo
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- CN101959007A CN101959007A CN 201010516253 CN201010516253A CN101959007A CN 101959007 A CN101959007 A CN 101959007A CN 201010516253 CN201010516253 CN 201010516253 CN 201010516253 A CN201010516253 A CN 201010516253A CN 101959007 A CN101959007 A CN 101959007A
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Abstract
The invention relates to the field of embedded software, discloses a method for realizing Chinese character input in an embedded set-top box system and solves the problem that the conventional set-top box system does not have Chinese character input function and obstructs the development of digital network bilateral services. The technical scheme of the method comprises the following steps of: a, making a font library file and storing the font library file in a set-top box memory; b, defining keys of a remote controller; c, after a Chinese character input method is started by the keys of the remote controller, inputting a character string; d, searching pinyin matched with the character string input by a user from the font library file through an input method search engine and providing corresponding digital sequence numbers of the pinyin by the set-top box system; e, pressing corresponding digital keys to select the required pinyin by the user; f, providing the arrangement of corresponding Chinese characters and the corresponding digital sequence numbers of the Chinese characters by the set-top box system; and g, pressing the corresponding digital keys to select a required Chinese character by the user to finish the input of one Chinese character, and returning to the step c. The method is suitable for digital bilateral networks.
Description
Technical field
The present invention relates to field of embedded software, relate to a kind of method that in embedded set top box system, realizes the Chinese character input specifically.
Background technology
Planning according to SARFT(The State Administration of Radio and Television), the cable TV network in the most of area of China is all in the transformation of carrying out the digital television bidirectional wired network so far, various interactive services based on digital TV set-top box constantly produce, and many interactive services all need the support of remote controller input method of Chinese character.Therefore, the input method of Chinese character function is absolutely necessary in the digital TV set-top-box system, also is a very important function.
Because it is unidirectional that the present Digital Television overwhelming majority all is based on, bi-directional digital television is at the early-stage, and character input function does not also possess, therefore when realizing two-way interactive, can't carry out the Chinese character input, be very inconvenient for users, also hindered carrying out of two-way services.
Summary of the invention
Technical problem to be solved by this invention is: propose a kind of method that realizes the Chinese character input in embedded set top box system, solve the conventional set-top box system and do not possess character input function, hinder the problem of digital network two-way services development.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of method that realizes the Chinese character input in embedded set top box system may further comprise the steps:
A. make font file, and be stored in the set-top box memory;
B. define remote controller key, the part button is associated with Chinese phonetic alphabet;
When c. the user need carry out the Chinese character input, after opening input method of Chinese character by remote controller key, input of character string;
D. set-top-box system is searched for the phonetic that the character string with user input is complementary by the input method search engine from font file, and provides the digital number of these phonetic correspondences;
E. the user presses the phonetic that the selection of respective counts keyboard needs;
F. set-top-box system provides the arrangement of corresponding Chinese character, and provides the digital number of these Chinese character correspondences;
G. the user presses the Chinese character that the selection of respective counts keyboard needs, and finishes a Chinese character input, returns step c.
Described font file comprises Chinese character, letter, punctuate, symbol.
Among the step a, the font file of making utilizes serial ports to write in the set-top box memory by the programming instrument.
Among the step b, remote controller key is defined as follows: numeral 0 is used to access punctuate and symbol, numeral 1 corresponding space, numeral 2-9 is corresponding following Chinese phonetic alphabet respectively: 2:abc, 3:def, 4:ghi, 5:jkl, 6:mno, 7:pqrs, 8:tuv, 9:wxyz, acknowledgement key is used for the end of acknowledge character string input, delete key is used to delete the content of needs deletion, and startup/ESC Escape is used for the On/Off input method of Chinese character, and page turning key is used for Chinese character tabulation carrying out page turning.
The invention has the beneficial effects as follows: in embedded set top box system, realize the Chinese character input, make things convenient for the user, help the development of digital network two-way services.
Description of drawings
Fig. 1 is a method flow diagram of the present invention.。
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
The present invention proposes a kind of method that realizes the Chinese character input in embedded set top box system, solves the conventional set-top box system and does not possess character input function, hinders the problem of digital network two-way services development.In the process that realizes the Chinese character input, the present invention has used following several sections:
Character library: be used for storing the database of Chinese character, letter and symbol specially, separate according to property arrangement commonly used with the input method search utility, can freely expand.
Input method search engine:, adopt certain algorithm from character library, to search for phonetic, the Chinese character information that matches according to the character string that OSD figure bed boundary passes into.
OSD message and word processing interface: the press key message of handling different numerical value, mutual with the input method search engine, send character string to search engine, reception also shows the candidate pinyin of returning from search engine, candidate Chinese character and the last Chinese character of selecting on video screen.
Keyboard input module: the infrared light that the character string of user input is converted to certain coded format is launched.
Set-top box button decoder module: infrared light is decoded as the discernible numerical value of computer program.
As shown in Figure 1, the method that in embedded set top box system, realizes the Chinese character input among the present invention, specifically realize in the following ways: a. makes font file, and be stored in the set-top box memory, font file comprises Chinese character, letter, punctuate, symbol, makes font file and utilizes serial ports that it is write the assigned address of set-top box memory by the programming instrument later;
B. define remote controller key, wherein: numeral 0 is used to access punctuate and symbol, numeral 1 corresponding space, numeral 2-9 is corresponding following Chinese phonetic alphabet respectively: 2:abc, 3:def, 4:ghi, 5:jkl, 6:mno, 7:pqrs, 8:tuv, 9:wxyz, acknowledgement key is used for the end of acknowledge character string input, delete key is used to delete the content of needs deletion, and startup/ESC Escape is used for the On/Off input method of Chinese character, and page turning key is used for Chinese character tabulation carrying out page turning;
When c. the user need carry out the Chinese character input, after opening input method of Chinese character by remote controller key, input of character string;
D. set-top-box system is searched for the phonetic that the character string with user input is complementary by the input method search engine from font file, and provides the digital number of these phonetic correspondences;
E. the user presses the phonetic that the selection of respective counts keyboard needs;
F. set-top-box system provides the arrangement of corresponding Chinese character, and provides the digital number of these Chinese character correspondences;
G. the user presses the Chinese character that the selection of respective counts keyboard needs, and finishes a Chinese character input.
Repeating step c-g is until finishing this input.
Embodiment:
Wanting input " good (hao) " word with the user is example, at first need the input method of Chinese character that presses switch to open by remote controller, after the configuration respective user interfaces, the beginning input of character string, three letters of this word phonetic are respectively " h " " a " " o ", corresponding respectively numeral 4,2,6 on remote controller key, so the user need press this three buttons in proper order.Remote controller is transmitted to set-top box with the correspondent button value signal by the infrared light with certain coded format, set-top box is discerned these key assignments signals, and be converted to character string, send character string to enquiry module then, the phonetic that the character string that set-top-box system is searched for from font file by the input method search engine and the user imports is complementary, and provide the digital number of these phonetic correspondences, such as " 1.hao, 2.gao ", the numerical key 1 that the user presses on the remote controller can be selected phonetic " hao "; At this moment, set-top-box system provides the arrangement to a series of Chinese characters that should phonetic, and provide its corresponding digital number, such as " 1. good, 2. number, 3. Hao, 4. white ", the numerical key 1 that the user presses on the remote controller once more can be selected Chinese character " good ", so far finish the input of a Chinese character, can finish the input of other Chinese character with reference to above-mentioned flow process.
Claims (4)
1. in embedded set top box system, realize the method that Chinese character is imported for one kind, it is characterized in that: may further comprise the steps:
A. make font file, and be stored in the set-top box memory;
B. define remote controller key, the part button is associated with Chinese phonetic alphabet;
When c. the user need carry out the Chinese character input, after opening input method of Chinese character by remote controller key, input of character string;
D. set-top-box system is searched for the phonetic that the character string with user input is complementary by the input method search engine from font file, and provides the digital number of these phonetic correspondences;
E. the user presses the phonetic that the selection of respective counts keyboard needs;
F. set-top-box system provides the arrangement of corresponding Chinese character, and provides the digital number of these Chinese character correspondences;
G. the user presses the Chinese character that the selection of respective counts keyboard needs, and finishes a Chinese character input, returns step c.
2. a kind of method that realizes the Chinese character input in embedded set top box system as claimed in claim 1, it is characterized in that: described font file comprises Chinese character, letter, punctuate, symbol.
3. a kind of method that realizes the Chinese character input in embedded set top box system as claimed in claim 1 or 2, it is characterized in that: among the step a, the font file of making utilizes serial ports to write in the set-top box memory by the programming instrument.
4. a kind of method that in embedded set top box system, realizes the Chinese character input as claimed in claim 1 or 2, it is characterized in that: among the step b, remote controller key is defined as follows: numeral 0 is used to access punctuate and symbol, numeral 1 corresponding space, numeral 2-9 is corresponding following Chinese phonetic alphabet: 2:abc respectively, 3:def, 4:ghi, 5:jkl, 6:mno, 7:pqrs, 8:tuv, 9:wxyz, acknowledgement key is used for the end of acknowledge character string input, delete key is used to delete the content of needs deletion, startup/ESC Escape is used for the On/Off input method of Chinese character, and page turning key is used for Chinese character tabulation carrying out page turning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516253 CN101959007A (en) | 2010-10-22 | 2010-10-22 | Method for realizing Chinese character input in embedded type set-top box system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010516253 CN101959007A (en) | 2010-10-22 | 2010-10-22 | Method for realizing Chinese character input in embedded type set-top box system |
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| CN101959007A true CN101959007A (en) | 2011-01-26 |
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| CN 201010516253 Pending CN101959007A (en) | 2010-10-22 | 2010-10-22 | Method for realizing Chinese character input in embedded type set-top box system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384425A (en) * | 2001-08-16 | 2002-12-11 | 项有建 | Indefinite code Chinese character input method for computer and keyboard thereof |
| CN101404716A (en) * | 2008-11-06 | 2009-04-08 | 深圳市茁壮网络技术有限公司 | Method and apparatus for inputting characters on digital television terminal |
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- 2010-10-22 CN CN 201010516253 patent/CN101959007A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384425A (en) * | 2001-08-16 | 2002-12-11 | 项有建 | Indefinite code Chinese character input method for computer and keyboard thereof |
| CN101404716A (en) * | 2008-11-06 | 2009-04-08 | 深圳市茁壮网络技术有限公司 | Method and apparatus for inputting characters on digital television terminal |
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Application publication date: 20110126 |