CN106803904A - A kind of liquid crystal display OSD display methods and system - Google Patents
A kind of liquid crystal display OSD display methods and system Download PDFInfo
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- CN106803904A CN106803904A CN201611248701.2A CN201611248701A CN106803904A CN 106803904 A CN106803904 A CN 106803904A CN 201611248701 A CN201611248701 A CN 201611248701A CN 106803904 A CN106803904 A CN 106803904A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4888—Data services, e.g. news ticker for displaying teletext characters
Abstract
The embodiment of the present invention provides a kind of liquid crystal display OSD display methods and system.Methods described includes：Idsplay order is received, and instruction character in idsplay order indexes out the first index value；Corresponding first coded address is obtained in the first character code address mapping table according to the first index value；According to the first coded address and the first character repertoire, obtain first object display character corresponding with the first coded address and show.The system is used to perform methods described.The embodiment of the present invention is by receiving idsplay order, first coded address is obtained according to the first character code table and the first character code address mapping table, and according to the first coded address and the first character repertoire for pre-setting, obtain first object display character and show, realize in the case of it cannot directly be programmed input in a program, using character mapping method, the display of menu is realized, improve the response speed that liquid crystal display menu shows.
Description
Technical field
The present embodiments relate to display device technical field, more particularly to a kind of liquid crystal display OSD display methods and
System
Background technology
Field programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) employs logic list
Element array (Logic Cell Array, abbreviation LCA) such a concept, inside includes configurable logic blocks
(Configurable Logic Block, abbreviation CLB), input/output module (Input Output Block, abbreviation IOB) and
Three parts of interconnector (Interconnect).FPGA is programming device, with conventional logic circuit and gate array (such as PAL,
GAL and CPLD devices) compare, FPGA has different structures.FPGA realizes combination using small-sized look-up table (16 × 1RAM)
Logic, each look-up table is connected to an input for d type flip flop, and trigger drives other logic circuits or drives I/O again,
Thus constitute the basic logic unit module that can not only realize combination logic function but also sequential logic function can be realized, these modules
Between interconnected using metal connecting line or be connected to I/O modules.The logic of FPGA is loaded by internally static storage cell
Come what is realized, storage value in a memory cell is determined between the logic function and each module of logic unit programming data
Or the connecting mode between module and I/O, and the function achieved by FPGA is finally determined, FPGA allows unlimited number of programming.
Screen menu type regulative mode (on-screen display, abbreviation OSD) is applied on CRT/LCD displays, in display
Screen in produce some special fonts or figure, allow user to obtain some messages.
Data communication is realized by the interaction of FPGA platform and ARM control platforms in the prior art, liquid crystal display dish is completed
Single function control and logic display operation, FPGA platform are processed for picture signal and color, and ARM platforms are for display
Characteristic carries out the functions such as human-computer interface control, such as extraneous signal identification, passage switching, power management, menu display control
Module, is managed and safeguards, and external information and operation logic result are passed into FPGA platform in real time.In liquid crystal display dish
It is to transmit all characters in OSD and character library by ARM control platforms to FPGA in real time during single display, the method meeting
The corresponding speed that influence liquid crystal display menu shows, so as to influence the overall response speed of system.
Therefore, the response speed that raising liquid crystal display menu shows is problem nowadays urgently to be resolved hurrily.
The content of the invention
For the problem that prior art is present, the embodiment of the present invention provides a kind of liquid crystal display OSD display methods and is
System.
On the one hand, the embodiment of the present invention provides a kind of liquid crystal display OSD display methods, including：
Idsplay order, and instruction character in the idsplay order are received in the first character code table for pre-setting
In index out corresponding first index value of the instruction character；
According to first index value corresponding first is obtained in the first character code address mapping table for pre-setting
Coded address；
According to first coded address and the first character repertoire for pre-setting, obtain corresponding with first coded address
First object display character and shown；Wherein,
The first character code address mapping table has corresponding relation with first character code table；
First character repertoire has corresponding relation with the first character code address mapping table.
The embodiment of the present invention provides a kind of system, including：
First index module, for receiving idsplay order, and instruction character in the idsplay order sets in advance
Corresponding first index value of the instruction character is indexed out in the first character code table put；
First acquisition module, for according to first index value in the first character code address mapping table for pre-setting
It is middle to obtain corresponding first coded address；
First display module, for according to first coded address and the first character repertoire for pre-setting, obtaining and institute
State the corresponding first object display character in the first coded address and shown；Wherein,
The first character code address mapping table has corresponding relation with first character code table；
First character repertoire has corresponding relation with the first character code address mapping table.
A kind of liquid crystal display OSD display methods provided in an embodiment of the present invention and system, by receiving idsplay order, root
According to the instruction character in obtaining idsplay order in the first character code table for pre-setting and the first character code address mapping table
Corresponding first coded address, and according to the first coded address and the first character repertoire for pre-setting, obtain first object and show
Character simultaneously shown, improves the response speed that liquid crystal display menu shows.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of liquid crystal display OSD display methods schematic flow sheets provided in an embodiment of the present invention；
Fig. 2 is a kind of system structure diagram provided in an embodiment of the present invention；
A kind of system structure diagram that Fig. 3 is provided for another embodiment of the present invention；
Fig. 4 is a kind of entity structure schematic diagram of system provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is a kind of liquid crystal display OSD display methods schematic flow sheets provided in an embodiment of the present invention, as shown in figure 1,
Methods described, including：
Step 101：Idsplay order, and instruction character in the idsplay order are received in the first word for pre-setting
Corresponding first index value of the instruction character is indexed out in symbol coding schedule；
Specifically, system receives idsplay order, and idsplay order includes that needs show coding line on a liquid crystal display
Symbol, is indexed, and obtain instruction character corresponding first according to instruction character in the first character code table for pre-setting
Index value.It should be noted that the first character code table is made up of conventional characters, and instruction character can be compiled in the first character
Inquired in conventional characters in code table, i.e. conventional characters in the first character code table include instruction character.
Step 102：Obtain right in the first character code address mapping table for pre-setting according to first index value
The first coded address answered；
Specifically, according to the first index value obtained from the first character code table in the first character code for pre-setting
The first coded address is obtained in address mapping table, it should be noted that the first character code address mapping table is compiled with the first character
Code table has corresponding relation.
Step 103：According to first coded address and the first character repertoire for pre-setting, obtain and the described first coding
The corresponding first object display character in address is simultaneously shown.
Specifically, be stored with first character repertoire corresponding with the first character code address mapping table in system, according to
The first coded address arrived and the first character repertoire, obtain the first object display character corresponding with the first coded address, and will
The first object display character for getting shows on a liquid crystal display.
For example：The first character code table pre-set in ARM control platforms is：
{
`#`,`a`,`b`,`c`,`d`,`e`,`f`,`g`,`h`,
`i`,`j`,`k`,`l`,`m`,`n`,`o`,`p`,
`q`,`r`,`s`,`t`,`u`,`v`,`w`,`x`,
`y`,`z`,`A`,`B`,`C`,`D`,`E`,`F`,
`G`,`H`,`I`,`J`,`K`,`L`,`M`,`N`,
`O`,`P`,`Q`,`R`,`S`,`T`,`U`,`V`,
`W`,`X`,`Y`,`Z`,``,`0`,`1`,`2`,
`3`,`4`,`5`,`6`,`7`,`8`,`9`,`>`,
`&`,`.`,``,`+`,`-`,`,`,`(`,`)`,
}
The the first character code address mapping table for setting is preset in ARM control platforms is：
{
0x23,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,
0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f,0x70,
0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,
0x79,0x7a,0x41,0x42,0x43,0x44,0x45,0x46,
0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,
0x4f,0x50,0x51,0x52,0x53,0x54,0x55,0x56,
0x57,0x58,0x59,0x5a,0x20,0x30,0x31,0x32,
0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3e,
0x26,0x2e,0x3f,0x2b,0x2d,0x2c,0x28,0x29,
}
Wherein the first character code table is made up of conventional characters, and the first character code address mapping table is by the first coded address
Composition, each conventional characters one index value of correspondence, the index value of the first coded address is corresponded with conventional characters, can be with
The index value in default conventional characters is set by the queueing discipline of matrix, the corresponding index values of such as `#` are that 11, `a` is corresponding
Index value is 12, `b` for corresponding index value is 13 ... the like, the corresponding index values of `i` are the corresponding indexes of 21, `j`
Be worth is that the corresponding index values of 22, `k` are 23 ... the like.
If desired " B " this character is shown on a liquid crystal display, and ARM control platforms receive the idsplay order of display " B ",
And " B " corresponding first index value is indexed out in the first character code table, the index value that " B " can be known from upper table is
44, now, it is 44 corresponding first coded addresses, 44 corresponding that index value is obtained from the first character code address mapping table
One coded address is 0x42, and the first coded address 0x42 is sent to FPGA platform by ARM control platforms, and FPGA platform is according to reception
To the first coded address 0x42 first object character " B " is obtained in the first character repertoire corresponding with the first coded address, and
Show on a liquid crystal display.It should be noted that when the character to be shown on liquid crystal display needs change, such as will
" B " is changed to " A ", then " A " corresponding first index value is first indexed out in the first character code table according to the method described above, from first
Corresponding first coded address of the first index value of " A " is obtained in character code address mapping table, and the first coded address is entered
Row refreshes, and the first coded address refreshing that will be originally " B " is first coded address of " A ", then by first after renewal
Coded address obtains first object character " A " in the first character repertoire, and by " A " display on a liquid crystal display.In addition, this hair
Bright embodiment is not limited to ARM control platforms and FPGA control platforms, can also be that other have the control platform of identical function.
The embodiment of the present invention by receiving idsplay order, according in the first character code table and the first character for pre-setting
Coded address mapping table obtains corresponding first coded address of instruction character in idsplay order, and according to the first coded address and
The first character repertoire for pre-setting, obtains first object display character and is shown, realizes the control that many control platforms are constituted
System processed shows to liquid crystal display menu, improves the response speed that liquid crystal display menu shows.
On the basis of above-described embodiment, the idsplay order also includes identifier；
Methods described also includes：The second character code table for pre-setting and second character code ground for pre-setting
Location mapping table；Identifier has corresponding relation with the second character code address mapping table；
Corresponding second rope of the instruction character is indexed out in corresponding second character code table according to the identifier
Draw value；
Have the second of corresponding relation with second character code table pre-setting according to second index value
Corresponding second coded address is obtained in character code address mapping table；
According to second coded address and pre-set with the second character code address mapping table have it is corresponding
Second character repertoire of relation, obtains the second target display character corresponding with second coded address and is shown.
Specifically, idsplay order also includes identifier, and wherein identifier may be located at first position of idsplay order,
Other positions can be set, the present embodiment is not especially limited to this, and identifier is spcial character, the i.e. identifier and first
Used conventional characters in conventional characters and the second character code table used in character code table are all different, in system also
It is previously provided with the second character code table and the second character code address mapping table, and identifier and second character code ground
Location mapping table has corresponding relation, even there is identifier in idsplay order, then system is compiled according to idsplay order in the second character
Corresponding second index value of instruction character is indexed out in code table, according to the second index value in the second character code address mapping table
Corresponding second coded address is obtained, has the of corresponding relation according to the second coded address and the second character code address mapping table
Two character repertoires, obtain the second target character corresponding with the second coded address and are shown.It should be noted that the first character
The conventional characters in conventional characters and the second character code table in coding schedule can directly use ASCII character, and can repeat
Use, identifier is added in idsplay order and is ensured that and will not be clashed.If in addition, being preset with the 3rd word in systems
Symbol coding schedule, the second character code address mapping table and the 3rd character repertoire, then can on a liquid crystal display show three kinds of language,
And the embodiment of the present invention can realize multilingual display, the present embodiment is not especially limited to this.
For example：The second character code table pre-set in ARM control platforms is：
// the back of the body, light is bright, degree, right, than, color, temperature,
// former, begin, use, family, electricity, source, section, can,
// defeated, enter, select, select, multiple if putting, position,
// language, speech, in, text, bright, the heart is left, right,
// on, under, lock is fixed, work, factory, and dish is single,
// solution, opens, and closes, mouth, border, from, water is put down,
// hang down, directly, letter, breath is to unite, figure, as,
// rotation, turns, and shows, and shows, when, thoroughly, version,
// this, connect, firmly, key really, takes, and disappears, contracting,
{
`a`,`b`,`c`,`d`,`e`,`f`,`g`,`h`,
`i`,`j`,`k`,`l`,`m`,`n`,`o`,`p`,
`q`,`r`,`s`,`t`,`u`,`v`,`w`,`x`,
`y`,`z`,`A`,`B`,`C`,`D`,`E`,`F`,
`G`,`H`,`I`,`J`,`K`,`L`,`M`,`N`,
`O`,`P`,`Q`,`R`,`S`,`T`,`U`,`V`,
`W`,`X`,`0`,`1`,`2`,`3`,`4`,`5`,
`6`,`7`,`8`,`9`,`>`,`&`,`.`,`Y`,
`Z`,`+`,`-`,`/`,`(`,`)`,`[`,`]`
}
The the second character code address mapping table for setting is preset in ARM control platforms is：
{
162,164,254,170,166,168,128,130,
180,182,132,134,136,138,140,142,
144,146,148,150,152,154,206,208,
172,174,176,178,156,158,184,186,
188,210,212,214,202,204,192,194,
216,218,220,222,224,226,228,230,
232,234,236,238,240,242,244,246,
248,250,190,196,198,200,252,0,
2,4,6,8,10,12,14,16,
}
In upper table, Chinese list is used to annotate the second character code table, in showing on a liquid crystal display
Literary " back of the body " word, pre-sets the second character code table and the second character code address mapping table in ARM control platforms, receive display
The idsplay order of Chinese " back of the body " word, such as：" #a ", wherein, " # " is identifier, and now system is indexed from the second character code table
The index value of " a ", obtains second coded address corresponding with the index value of " a " in the second character code address mapping table,
Second coded address is sent to FPGA control platforms by ARM control platforms, FPGA control platforms according to the second coded address from
The second target character " back of the body " is inquired in having the second character repertoire of corresponding relation with the second character code address mapping table, and will
" back of the body " shows on a liquid crystal display.It is consistent with above-described embodiment, when on liquid crystal display display in have change when, it is necessary to
The refreshing of the second coded address is first carried out, the second target character is being obtained by the second character repertoire and is being shown after having refreshed.
It should be noted that above-described embodiment is by taking Chinese as an example, or other language, can also be that other cannot be in a program
Directly be programmed the language of input, the present embodiment is not especially limited to this, by the embodiment, by the use of spcial character as
Identifier, and each identifier corresponds to a second character code address mapping table, so that, by the second character code
Address mapping table inquires the character to be shown and is shown in corresponding second character repertoire.In addition, the embodiment of the present invention is not
Be confined to the display methods of one or two language, the display of multilingual can be carried out, by multiple identifiers, and with mark
Know the mapping method that the second corresponding character code address mapping table of symbol realizes multilingual.ARM in the embodiment of the present invention
Control platform and FPGA control platforms belong to liquid crystal display OSD display systems, and are not limited to above-mentioned two control platform, also
Can be that other have the control platform of identical function, the embodiment of the present invention is not especially limited to this.
The embodiment of the present invention by pre-setting the second character code table and the second character code address mapping table, various
Language cannot be directly programmed under input condition in a program in small control system, using spcial character prefix method of identification and
Character mapping method, it is possible to achieve the display of various language.
On the basis of above-described embodiment, the idsplay order also includes the first flag bit and the second flag bit, according to institute
State the first flag bit and corresponding background color is shown to target display character, according to second flag bit to the target
Display character shows corresponding character color.
Specifically, also include representing the first flag bit of target display character background color in idsplay order and represent target
The second flag bit of character color is shown, background can be carried out to each target character by the first flag bit and the second flag bit
The control of color and character color.
The embodiment of the present invention by the first flag bit by the target show the corresponding background color of character carry out display and
The corresponding character color of target display character is shown, realizes target and show many of character color by the second flag bit
Sample.
On the basis of above-described embodiment, the identifier is unique identifier.
Specifically, identifier is the character all not occurred in the first character code table and the second character code table, and is
Uniquely.It should be noted that the embodiment of the present invention can realize the display of multilingual, the second character code of every kind of language
Address mapping table all corresponds to a unique identifier.
The embodiment of the present invention judges there is corresponding from identifier after instruction is received by setting unique identifier
It is indexed in second character code table of relation, it is not necessary to import a large amount of character libraries, therefore, occupancy resource is less, relative to volume
For journey, the method is simple and easy to apply, it is not necessary to extra tool software, even and if ensure that the first character code table and the second word
Conventional characters in symbol coding schedule identical will not also be clashed.
On the basis of the various embodiments described above, the idsplay order, also including character position geocoding, according to the word
Symbol location address coding includes in relevant position target display character.
Specifically, character position geocoding is also included in idsplay order, according to character position geocoding to target
Display character needs the particular location for being displayed in liquid crystal display to be controlled, and shows on a liquid crystal display.
The embodiment of the present invention by receiving idsplay order, according in the first character code table and the first character for pre-setting
Coded address mapping table obtains corresponding first coded address of instruction character in idsplay order, and according to the first coded address and
The first character repertoire for pre-setting, obtains first object display character and is shown, improves the sound that liquid crystal display menu shows
Answer speed.
Fig. 2 is a kind of system structure diagram provided in an embodiment of the present invention, as shown in Fig. 2 the system, including first
Index module 201, the first acquisition module 202 and the first display module 203, wherein：
First index module 201 is used to receiving idsplay order, and instruction character in the idsplay order is advance
Corresponding first index value of the instruction character is indexed out in the first character code table for setting；First acquisition module 202 is used for
Corresponding first coded address is obtained in the first character code address mapping table for pre-setting according to first index value；
First display module 203 is used to, according to first coded address and the first character repertoire for pre-setting, obtain and described first
The corresponding first object display character in coded address is simultaneously shown；Wherein, the first character code address mapping table and institute
Stating the first character code table has corresponding relation；It is right that first character repertoire has with the first character code address mapping table
Should be related to.
Specifically, the first index module 201 in ARM control platforms receives idsplay order, and idsplay order includes needs
Display instruction character on a liquid crystal display, rope is carried out according to instruction character in the first character code table for pre-setting
Draw, and obtain corresponding first index value of instruction character.It should be noted that the first character code table is by conventional characters structure
Into, and instruction character can inquire in the conventional characters in the first character code table, i.e. it is normal in the first character code table
Instruction character is included with character.The first acquisition module 202 in ARM control platforms from the first character code table according to obtaining
First index value obtains the first coded address in the first character code address mapping table for pre-setting, it should be noted that
First character code address mapping table has corresponding relation with the first character code table.The first display in FPGA control platforms
Be stored with first character repertoire corresponding with the first character code address mapping table in module 203, is sent out according to by ARM control platforms
The first character repertoire stored in the first coded address sent and FPGA control platforms, obtains corresponding with the first coded address the
One target shows character, and the first object display character that will be got shows on a liquid crystal display.It should be noted that being
System can include ARM control platforms and FPGA control platforms, but be not limited to above two control platform, and other can realize phase
The control platform of congenerous can be used.First index module 201 and the first acquisition module 202 can be in ARM control platforms
Module, the first display module 203 can be the module in FPGA control platforms, and FPGA control platforms and ARM control platforms are handed over
Data communication is mutually carried out, the display operation of liquid crystal display osd function and logic is completed.In addition, the system is also preset with character water
The miscellaneous functions such as flat, vertical control, upset, character transparency, above-mentioned functions can be realized by correspondingly instructing.
System provided in an embodiment of the present invention is used to perform the above method, the embodiment party of its specific embodiment and method
Formula is consistent, and here is omitted.
The embodiment of the present invention by receiving idsplay order, according in the first character code table and the first character for pre-setting
Coded address mapping table obtains corresponding first coded address of instruction character in idsplay order, and according to the first coded address and
The first character repertoire for pre-setting, obtains first object display character and is shown, improves the sound that liquid crystal display menu shows
Answer speed.
On the basis of above-described embodiment, a kind of system structure diagram that Fig. 3 is provided for another embodiment of the present invention, such as
Shown in Fig. 3, the system includes, the first index module 201, the first acquisition module 202, the first display module 203, second are indexed
Module 204, the second acquisition module 205 and the second display module 206, wherein：
The idsplay order also includes identifier；The system also includes：The second character code table for pre-setting and pre-
The the second character code address mapping table for first setting；Identifier has corresponding with the second character code address mapping table
Relation；Second index module 204 is used to index out the instruction in corresponding second character code table according to the identifier
Corresponding second index value of character；Second acquisition module 205 be used for according to second index value pre-set with it is described
Second character code table obtains corresponding second coded address in having the second character code address mapping table of corresponding relation；The
Two display modules 206 are used for according to second coded address and pre-setting with the second character code address mapping table
The second character repertoire with corresponding relation, obtains the second target display character corresponding with second coded address and is shown
Show.
Specifically, in the first index module 201, the first acquisition module 202 and the first display module 203 and above-described embodiment
Unanimously, here is omitted.Idsplay order also includes identifier, and wherein identifier may be located at first position of idsplay order
Put, it is also possible to set other positions, the present embodiment is not especially limited to this, second is also previously provided with ARM control platforms
Character code table and the second character code address mapping table, and identifier have with the second character code address mapping table it is right
Should be related to even there is identifier in idsplay order, then the second index module 204 according to idsplay order in the second character code table
In index out corresponding second index value of instruction character, the second acquisition module 205 is according to the second index value in the second character code
Corresponding second coded address is obtained in address mapping table, the second display module 206 in FPGA control platforms is compiled according to second
Code address and the second character code address mapping table have the second character repertoire of corresponding relation, obtain corresponding with the second coded address
Second target character is simultaneously shown.It should be noted that conventional characters and the second character code in the first character code table
Conventional characters in table can be reused, and will not be clashed.If in addition, be preset with systems three character code table,
Second character code address mapping table and the 3rd character repertoire, then can on a liquid crystal display show three kinds of language, and the present invention is real
Applying example can also realize the display of more middle language, and the present embodiment is not especially limited to this.
The embodiment of the present invention is by pre-setting the second character code table and the second character code address mapping table, Ke Yi
The display of multilingual is realized while improve the response speed that liquid crystal display menu shows.
On the basis of above-described embodiment, the idsplay order also includes the first flag bit and the second flag bit, according to institute
State the first flag bit and corresponding background color is shown to target display character, according to second flag bit to the target
Display character shows corresponding character color.
Specifically, also include representing the first flag bit of target display character background color in idsplay order and represent target
The second flag bit of character color is shown, the second display module 206 can be by the first flag bit and the second flag bit to each
Target character carries out the control of background color and character color.
The embodiment of the present invention by the first flag bit by the target show the corresponding background color of character carry out display and
The corresponding character color of target display character is shown, realizes target and show many of character color by the second flag bit
Sample.
On the basis of above-described embodiment, the identifier is unique identifier.
Specifically, identifier is the character all not occurred in the first character code table and the second character code table, and is
Uniquely.
The embodiment of the present invention judges there is corresponding from identifier after instruction is received by setting unique identifier
It is indexed in second character code table of relation, even and if ensure that the first character code table and the second character code table
Conventional characters are identical will not also to be clashed.
On the basis of the various embodiments described above, the idsplay order, also including character position geocoding, according to the word
Symbol location address coding includes in relevant position target display character.
Specifically, character position geocoding is also included in idsplay order, the second display module 206 is according to character position
Geocoding needs the particular location for being displayed in liquid crystal display to be controlled target display character, and is displayed in liquid crystal display
On device.
The embodiment of the present invention by receiving idsplay order, according in the first character code table and the first character for pre-setting
Coded address mapping table obtains corresponding first coded address of instruction character in idsplay order, and according to the first coded address and
The first character repertoire for pre-setting, obtains first object display character and is shown, improves the sound that liquid crystal display menu shows
Answer speed.
System provided in an embodiment of the present invention is used to perform the above method, the embodiment party of its specific embodiment and method
Formula is consistent, and here is omitted.
Fig. 4 is a kind of entity structure schematic diagram of system provided in an embodiment of the present invention, and the as shown in Figure 4 system can be with
Including：Processor (processor) 401, communication interface (Communications Interface) 402, memory
(memory) 403 and communication bus 404, wherein, processor 401, communication interface 402, memory 403 passes through communication bus 404
Complete mutual communication.Communication interface 402 can be used for the information transfer of system and idsplay order.Processor 401 can be adjusted
With the logical order in memory 403, to perform following method：Receive idsplay order, and the finger in the idsplay order
Make character that corresponding first index value of the instruction character is indexed out in the first character code table for pre-setting；According to described
First index value obtains corresponding first coded address in the first character code address mapping table for pre-setting；According to described
First coded address and the first character repertoire for pre-setting, obtain first object display word corresponding with first coded address
Accord with and shown；Wherein, the first character code address mapping table has corresponding relation with first character code table；
First character repertoire has corresponding relation with the first character code address mapping table.
Additionally, the logical order in above-mentioned memory 403 can be realized and be used as by the form of SFU software functional unit
Independent production marketing or when using, can store in a computer read/write memory medium.Based on such understanding, this
Part that the technical scheme of invention substantially contributes to prior art in other words or the part of the technical scheme can be with
The form of software product is embodied, and the computer software product is stored in a storage medium, including some instructions are used to
So that a computer equipment (can be personal computer, server, or network equipment etc.) performs each implementation of the present invention
The all or part of step of example methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Unit, you can with positioned at a place, or can also be distributed on multiple NEs.It can according to the actual needs be selected
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each implementation method can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to by hardware.Based on such understanding, on
Stating the part that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is used to so that a computer equipment (can be personal computer, server, or network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of liquid crystal display OSD display methods, it is characterised in that including：
Receive idsplay order, and instruction character in the idsplay order rope in the first character code table for pre-setting
Draw corresponding first index value of the instruction character；
Corresponding first coding is obtained in the first character code address mapping table for pre-setting according to first index value
Address；
According to first coded address and the first character repertoire for pre-setting, corresponding with first coded address the is obtained
One target shows character and is shown；Wherein,
The first character code address mapping table has corresponding relation with first character code table；
First character repertoire has corresponding relation with the first character code address mapping table.
2. method according to claim 1, it is characterised in that the idsplay order also includes identifier；
Methods described also includes：The second character code table for pre-setting and the second character code address for pre-setting are reflected
Firing table；Identifier has corresponding relation with the second character code address mapping table；
Corresponding second index value of the instruction character is indexed out in corresponding second character code table according to the identifier；
According to second index value in second character with second character code table with corresponding relation for pre-setting
Corresponding second coded address is obtained in the mapping table of coded address；
According to second coded address and pre-set there is corresponding relation with the second character code address mapping table
The second character repertoire, obtain corresponding with second coded address the second target display character and simultaneously shown.
3. method according to claim 1, it is characterised in that the idsplay order also includes the first flag bit and the second mark
Will position, shows corresponding background color, according to the described second mark according to first flag bit to target display character
Position shows corresponding character color to target display character.
4. method according to claim 2, it is characterised in that the identifier is unique identifier.
5. the method according to claim any one of 1-4, it is characterised in that the idsplay order, also including character position
Geocoding, includes in relevant position target display character according to the character position geocoding.
6. a kind of system, it is characterised in that including：
First index module, for receiving idsplay order, and instruction character in the idsplay order is pre-setting
Corresponding first index value of the instruction character is indexed out in first character code table；
First acquisition module, for being obtained in the first character code address mapping table for pre-setting according to first index value
Take corresponding first coded address；
First display module, for according to first coded address and the first character repertoire for pre-setting, obtaining and described the
The corresponding first object display character in one coded address is simultaneously shown；Wherein,
The first character code address mapping table has corresponding relation with first character code table；
First character repertoire has corresponding relation with the first character code address mapping table.
7. system according to claim 6, it is characterised in that the idsplay order also includes identifier；Methods described is also
Including：The second character code table for pre-setting and the second character code address mapping table for pre-setting；Identifier with
The second character code address mapping table has corresponding relation；
Second index module, for indexing out the instruction character in corresponding second character code table according to the identifier
Corresponding second index value；
Second acquisition module, for according to second index value pre-set with second character code table have it is right
Corresponding second coded address is obtained in the second character code address mapping table that should be related to；
Second display module, for according to second coded address and being reflected with the second character code address of pre-setting
Firing table has the second character repertoire of corresponding relation, obtains the second target display character corresponding with second coded address and goes forward side by side
Row display.
8. system according to claim 6, it is characterised in that the idsplay order also includes the first flag bit and the second mark
Will position, shows corresponding background color, according to the described second mark according to first flag bit to target display character
Position shows corresponding character color to target display character.
9. system according to claim 7, it is characterised in that the identifier is unique identifier.
10. the system according to claim any one of 6-9, it is characterised in that the idsplay order, also including character position
Geocoding, includes in relevant position target display character according to the character position geocoding.
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