CN101945168B - A kind of method that pattern switches and device and system - Google Patents
A kind of method that pattern switches and device and system Download PDFInfo
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- CN101945168B CN101945168B CN201010278964.4A CN201010278964A CN101945168B CN 101945168 B CN101945168 B CN 101945168B CN 201010278964 A CN201010278964 A CN 201010278964A CN 101945168 B CN101945168 B CN 101945168B
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Abstract
The invention discloses a kind of method that pattern switches, for realizing the switching between Bypass pattern and Nornmal pattern, and improving display quality.Described method comprises: main control chip receives the mode handover command about multimedia chip; Main control chip is to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.The invention also discloses the device for realizing described method and system.
Description
Technical field
The present invention relates to built-in field, particularly relate to method and device and system that pattern switches.
Background technology
Along with communication and the development of electronic technology, mobile phone is popularized widely.Further, mobile phone has developed more and more intelligent, and function becomes varied, and especially multimedia function is more and more abundanter.Function increase the increase simultaneously also bringing power consumption.Need the function that more strong large chip is supported to increase newly, these chips are often also higher to the requirement of power consumption.
Main control chip, for reducing power consumption, is connected with display (comprising display control chip) with multimedia chip (a kind of coprocessor) by prior art respectively.When starting multimedia service, when namely multimedia chip is in normal work (Normal) pattern, send memory address and data, to carry out brush screen to display by multimedia chip to display.When stopping multimedia service, when namely multimedia chip is in non-normal working (Bypass) pattern, send address and data, to carry out brush screen to display by main control chip to display.When there is no multimedia service, stopping the work of multimedia chip, reducing system power dissipation.
Main control chip and multimedia chip are connected to the same port on display, namely the pin (pin) on display is connected to main control chip and multimedia chip two chips simultaneously, and the pin between master control chip and multimedia chip is indirectly connected together.Main control chip can send address and data, to control multimedia chip by the pin on display to multimedia chip.When multimedia chip needs to be switched to Normal pattern from Bypass pattern, main control chip needs to multimedia chip sending mode switching command.But the situation of the brush screen data collision that main control chip sends to display, makes display that brush screen is carried out as brush screen data in the address of mode handover command when there is address and the brush screen of mode handover command, cause showing mistake.
Summary of the invention
A kind of method that the embodiment of the present invention provides pattern to switch and device and system, for realizing the switching between different mode, and improve display quality.
The method that pattern switches, comprises the following steps:
Main control chip receives the mode handover command about multimedia chip;
Main control chip is to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
A kind of main control chip, comprising:
Subscriber Interface Module SIM, for receiving the mode handover command about multimedia chip;
Control interface module, for the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
A kind of embedded system, comprising:
Display, for redraw;
Multimedia chip, for sending address and data, to control display refreshing screen to display in the normal mode of operation;
Main control chip, for receiving the mode handover command about multimedia chip, and to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
In the embodiment of the present invention, main control chip is by sending the address of not conflicting with the correlation of display during the address of multimedia chip sending mode switching command, display is avoided to carry out misoperation to the address of the mode handover command received, and then avoid display mistake or processing logic mistake etc., while achieving and switching between Bypass pattern and Normal pattern, improve display quality.
Accompanying drawing explanation
Fig. 1 is the structure chart of embedded system in the embodiment of the present invention;
Fig. 2 is the primary structure figure of main control chip in the embodiment of the present invention;
Fig. 3 is the detailed structure view of main control chip in the embodiment of the present invention;
Fig. 4 is the main method flow chart that in the embodiment of the present invention, pattern switches;
Fig. 5 is the method flow diagram being switched to Normal pattern in the embodiment of the present invention from Bypass pattern;
Fig. 6 is the method flow diagram being switched to Bypass pattern in the embodiment of the present invention from Normal pattern.
Embodiment
In the embodiment of the present invention, main control chip is by sending the address of not conflicting with the correlation of display during the address of multimedia chip sending mode switching command, and be the discernible address of multimedia chip, display is avoided to carry out misoperation to the address of the mode handover command received, and then avoid display mistake or processing logic mistake etc., while achieving and switching between Bypass pattern and Normal pattern, improve display quality.
See Fig. 1, the embedded system in the present embodiment comprises: display 101, multimedia chip 102 and main control chip 103.Display 101 is connected with multimedia chip 102 and main control chip 103 respectively by pin.The pin of main control chip 103 is connected with the pin of multimedia chip 102 by the pin of display 101.
Display 101 is for redraw (abbreviation brush screen).Display 101 comprises display screen and display control chip, and display screen and display control chip all can have multiple.The address that display control chip reception multimedia chip 102 or main control chip 103 send, order and brush screen data, and process accordingly, to realize brush screen.Display 101, when receiving address and the data not with local collision that main control chip 103 sends to multimedia chip 102, can be abandoned, do not processed.
Multimedia chip 102 is for sending address and data, to control display refreshing screen to display in the normal mode of operation.Multimedia chip 102 receives address and the order of main control chip 103 transmission, this address mainly register address, multimedia chip 102 is by the register pointed by demanded storage to address, and the order performed in register, if this order is mode handover command, then carry out corresponding pattern switching, as the switching between Bypass pattern and Normal pattern.Multimedia chip 102 in the normal mode of operation its repertoire module all carries out work.Multimedia chip 102 only has pin and mode switch module to carry out work under Bypass pattern.The pin of multimedia chip 102 can receive the address and order that main control chip 103 sends, and other module is through address that its pin sends and data etc.The mode switch module of multimedia chip 102 carries out pattern switching according to the address of the mode handover command received and mode handover command.Because multimedia chip 102 other functional module under Bypass pattern does not all work, considerably reduce power consumption.
Main control chip 103 for receiving the mode handover command about multimedia chip, and to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.Main control chip 103 receives the mode handover command about multimedia chip of user's input, the address of acquisition model switching command, and whether the address of judgment model switching command conflicts with the correlation of display, if conflict, then regain the address of mode handover command, and again judge whether to conflict with the correlation of display, until obtain the address of the mode handover command do not conflicted; When judging not conflict, main control chip is to the address of multimedia chip sending mode switching command and mode handover command.In the present embodiment, main control chip 103 can by the address of the input acquisition model switching command of user, if clashed, then needs to point out the address of user's input pattern switching command again, until do not clash.Main control chip 103 can also the address of generate pattern switching command voluntarily, then judges whether the address generated conflicts with the correlation of display, if conflict, then regenerates the address of mode handover command, and again judge, until generate the address of not conflicting.Wherein, in main control chip 103, there is the span of the correlation of display, judges according to this span.Main control chip 103 can also generate address beyond this scope according to this span, would not clash like this, for safety, and the judgement whether main control chip 103 can also conflict according to this span.
It is one or more that the correlation of display comprises in address, order and brush screen data.Each has respective span.Preferably, main control chip 103 generates the address beyond all spans, to avoid conflict.
See Fig. 2, in the present embodiment, main control chip 103 comprises: Subscriber Interface Module SIM 201 and control interface module 202.Subscriber Interface Module SIM 201 and control interface module 202 include pin.
Subscriber Interface Module SIM 201 is for receiving the mode handover command about multimedia chip.
Control interface module 202 is for the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
Main control chip 103 also comprises: control module 203, shown in Figure 3.Control module 203 is for the address of acquisition model switching command, and whether the address of judgment model switching command conflicts with the correlation of display, if conflict, then regains the address of mode handover command, and again judges whether to conflict with the correlation of display.Control interface module 202 judge do not conflict time, to address and the mode handover command of multimedia chip sending mode switching command.Concrete, control module 203 is according to the span of the correlation of the display preserved, and whether the address of judgment model switching command conflicts with the correlation of display; Or, raw according to the span of the correlation of the display preserved, the address of generate pattern switching command.
The foregoing describe internal structure and the function of embedded system and main control chip 103, below the implementation procedure that pattern switches is described in detail.
See Fig. 4, the main method flow process that in the present embodiment, pattern switches is as follows:
Step 401: main control chip 103 receives the mode handover command about multimedia chip 102.
Step 402: main control chip 103 is to the address of multimedia chip 102 sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display 101.
See Fig. 5, the method flow being switched to Normal pattern from Bypass pattern is as follows:
Step 501: main control chip 103 sends the information relevant with brush screen, to control display 101 brush screen to display 101.The information relevant with brush screen comprises the address relevant with brush screen, order and brush screen data etc.
Step 502: main control chip 103 receives the mode handover command of user's input.
Step 503: main control chip 103 reads out mode handover command address from this locality.This mode handover command address can be kept at main control chip 103 in advance, and preferably, do not conflict with the correlation of display 101 in the mode handover command address of this preservation.
If can ensure not conflict with the correlation of display 101 in the mode handover command address of preserving, then can skip step 504, continue step 505, for ensureing safety, the present embodiment first performs step 504.
Step 504: whether main control chip 103 judgment model switching command address conflicts with the correlation of display 101, if so, then continues step 503, again read mode switching command address, otherwise continues step 505.If all conflict with the correlation of display 101 in the mode handover command address of preserving, then main control chip 103 can generate pattern switching command address voluntarily.
Step 505: main control chip 103 is to the address of multimedia chip 102 sending mode switching command and mode handover command.
Step 506: multimedia chip 102 is preserved according to the address of mode handover command and performed formula switching command, is namely switched to Normal pattern.
Step 507: multimedia chip 102 sends the information relevant with brush screen to display 101.
See Fig. 6, the method flow being switched to Bypass pattern from Normal pattern is as follows:
Step 601: multimedia chip 102 sends the information relevant with brush screen, to control display 101 brush screen to display 101.The information relevant with brush screen comprises the address relevant with brush screen, order and brush screen data etc.
Step 602: main control chip 103 receives the mode handover command of user's input.
Step 603: main control chip 103 is according to the span generate pattern switching command address of the correlation of display.
If can ensure not conflict with the correlation of display 101 in the mode handover command address of preserving, then can skip step 604, continue step 605, for ensureing safety, the present embodiment first performs step 604.
Step 604: whether main control chip 103 judgment model switching command address conflicts with the correlation of display 101, if so, then continues step 603, again generate pattern switching command address, otherwise continues step 605.
Step 605: main control chip 103 is to the address of multimedia chip 102 sending mode switching command and mode handover command.
Step 606: multimedia chip 102 is preserved according to the address of mode handover command and performed formula switching command, is namely switched to Bypass pattern.
Step 607: main control chip 103 sends the information relevant with brush screen to display 101.
In the embodiment of the present invention, main control chip is by sending the address of not conflicting with the correlation of display during the address of multimedia chip sending mode switching command, display is avoided to carry out misoperation to the address of the mode handover command received, and then avoid display mistake or processing logic mistake etc., while achieving and switching between Bypass pattern and Normal pattern, improve display quality.If multimedia chip also exists other pattern, then Bypass pattern and the switching between Normal pattern and other pattern, and the switching between other pattern, be all applicable to the embodiment of the present invention.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a method for pattern switching, is characterized in that, comprise the following steps:
Main control chip receives the mode handover command about multimedia chip;
Main control chip by display to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display;
Wherein, main control chip is to before the address and mode handover command of multimedia chip sending mode switching command, also comprise step: the address of main control chip acquisition model switching command, and whether the address of judgment model switching command conflicts with the correlation of display, if conflict, then regain the address of mode handover command, and judge whether to conflict with the correlation of display;
Main control chip comprises to the address of multimedia chip sending mode switching command and the step of mode handover command: when judging not conflict, main control chip is to the address of multimedia chip sending mode switching command and mode handover command.
2. the method for claim 1, it is characterized in that, the step whether address of judgment model switching command conflicts with the correlation of display comprises: main control chip is according to the span of the correlation of the display preserved, and whether the address of judgment model switching command conflicts with the correlation of display; Or
The step of the address of main control chip acquisition model switching command comprises: main control chip according to the span of correlation of the display preserved, the address of generate pattern switching command.
3. the method for claim 1, is characterized in that, mode handover command is be switched to the normal switching command of work Normal pattern or the switching command for being switched to Bypass pattern from Normal pattern from non-normal working Bypass pattern.
4. as claimed any one in claims 1 to 3 method, is characterized in that, it is one or more that the correlation of display comprises in address, order and brush screen data.
5. a main control chip, is characterized in that, comprising:
Subscriber Interface Module SIM, for receiving the mode handover command about multimedia chip;
Control module, for the address of acquisition model switching command, and whether the address of judgment model switching command conflicts with the correlation of display, if conflict, then regains the address of mode handover command, and again judges whether to conflict with the correlation of display;
Control interface module, for when judging not conflict, by display to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
6. main control chip as claimed in claim 5, is characterized in that, control module is according to the span of the correlation of the display preserved, and whether the address of judgment model switching command conflicts with the correlation of display; Or, according to the span of the correlation of the display preserved, the address of generate pattern switching command.
7. main control chip as claimed in claim 5, is characterized in that, mode handover command is be switched to the normal switching command of work Normal pattern or the switching command for being switched to Bypass pattern from Normal pattern from non-normal working Bypass pattern.
8. the main control chip according to any one of claim 5 to 7, is characterized in that, it is one or more that the correlation of display comprises in address, order and brush screen data.
9. an embedded system, is characterized in that, comprising:
Display, for redraw;
Multimedia chip, for sending address and data, to control display refreshing screen to display in the normal mode of operation;
Main control chip, for receiving the mode handover command about multimedia chip, the address of acquisition model switching command, and whether the address of judgment model switching command conflicts with the correlation of display, if conflict, then regain the address of mode handover command, and judge whether to conflict with the correlation of display; When judging not conflict, and by display to the address of multimedia chip sending mode switching command and mode handover command; Wherein, the address of mode handover command is the address of not conflicting with the correlation of display.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1757027A (en) * | 2003-01-13 | 2006-04-05 | 德尔卡技术公司 | Novel personal electronics device |
| CN1940895A (en) * | 2005-09-30 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Method for avoiding command transmission conflict |
| CN101349939A (en) * | 2008-09-12 | 2009-01-21 | 威盛电子股份有限公司 | Multiprocessor system and method for entering into electricity-saving mode |
| CN101751114A (en) * | 2008-12-22 | 2010-06-23 | 联想(北京)有限公司 | Display switching method for mobile terminal and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6735663B2 (en) * | 2000-12-18 | 2004-05-11 | Dell Products L.P. | Combination personal data assistant and personal computing device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757027A (en) * | 2003-01-13 | 2006-04-05 | 德尔卡技术公司 | Novel personal electronics device |
| CN1940895A (en) * | 2005-09-30 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Method for avoiding command transmission conflict |
| CN101349939A (en) * | 2008-09-12 | 2009-01-21 | 威盛电子股份有限公司 | Multiprocessor system and method for entering into electricity-saving mode |
| CN101751114A (en) * | 2008-12-22 | 2010-06-23 | 联想(北京)有限公司 | Display switching method for mobile terminal and mobile terminal |
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Address after: 214028 national integrated circuit design (21-1), Changjiang Road, New District, Jiangsu, Wuxi, China, China (610) Patentee after: WUXI ZHONGGAN MICROELECTRONIC CO., LTD. Address before: 214028 national integrated circuit design (21-1), Changjiang Road, New District, Jiangsu, Wuxi, China, China (610) Patentee before: Wuxi Vimicro Co., Ltd. |