CN101751114A - Display switching method for mobile terminal and mobile terminal - Google Patents
Display switching method for mobile terminal and mobile terminal Download PDFInfo
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- CN101751114A CN101751114A CN 200810240278 CN200810240278A CN101751114A CN 101751114 A CN101751114 A CN 101751114A CN 200810240278 CN200810240278 CN 200810240278 CN 200810240278 A CN200810240278 A CN 200810240278A CN 101751114 A CN101751114 A CN 101751114A
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Abstract
The invention discloses a display switching method for a mobile terminal and the mobile terminal. The mobile terminal comprises a first processor and a second processor. A state of a display module, which is controlled by the first processor, is a first state. A state of the display module, which is controlled by the second processor, is a second state. The display switching method for the mobile terminal comprises that: in the first state, the first processor receives a display switching command; the first processor acquires a control parameter; the first processor sends the control parameter to the second processor to control to switch the mobile terminal to the second state; and the second processor controls the display module according to the control parameter. The two processors in the invention can control the display module independently, thus, the mobile terminal can be switched to the suitable processor according to the requirement of the display content, improves the flexibility of display control, and reduces the power consumption of the system.
Description
Technical field
The present invention relates to communication technical field, particularly the display changeover method of portable terminal and portable terminal.
Background technology
Existing mobile intelligent terminal comprises mobile phone and PDA (Personal Digital Assistant, personal digital assistant) etc., and is more and more higher to the requirement of computing power, also more and more longer to the requirement of battery service time.Usually mobile intelligent terminal carries out display process and comprises that a primary processor and one link to each other with primary processor from processor from processor, as the slave unit of primary processor, are subjected to the control of this primary processor; The LCD of intelligent terminal (Liquid Crystal Display, LCDs) directly with from processor links to each other, but is subjected to the control of primary processor.
The inventor finds in to the demonstration control procedure research of existing mobile intelligent terminal, existing mobile intelligent terminal is when showing control, by primary processor to transmitting control signal from processor, from processor under the control of primary processor, demonstration is handled to LCD, the LCD that no matter carries out low-power consumption shows that control still is the LCD demonstration control of high power consumption, and two processors all will start, and this causes the power consumption in the portable terminal to increase.
Summary of the invention
The object of the present invention is to provide the display changeover method and the portable terminal of portable terminal, when showing control, need start two processors of principal and subordinate simultaneously, cause the problem that power consumption increases in the portable terminal to solve in the prior art.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of display changeover method of portable terminal, described portable terminal comprises the first processor and second processor, state by described first processor control display module is first state, and the state of being controlled display module by described second processor is second state, comprising:
When described first state, described first processor receives and shows switching command;
Described first processor obtains controlled variable;
Described first processor sends to described second processor with described controlled variable, and the control portable terminal switches to described second state;
Described second processor is controlled described display module according to described controlled variable.
A kind of display changeover method of portable terminal, described portable terminal comprises the first processor and second processor, state by described first processor control display module is first state, and the state of being controlled display module by described second processor is second state, comprising:
When described second state, first processor receives the demonstration switching command that second processor sends;
Described second processor obtains controlled variable;
Described second processor sends to described first processor with described controlled variable;
After described first processor control portable terminal switches to described first state, control described display module according to described controlled variable.
A kind of portable terminal, described portable terminal comprise the first processor and second processor, and wherein the state by described first processor control display module is first state, and the state of being controlled display module by described second processor is second state,
Described first processor comprises:
Receiving element is used for when described first state, receives to show switching command;
The unit is provided, is used to obtain controlled variable, and described controlled variable is sent to described second processor;
Switch unit is used to control described portable terminal and switches to described second state;
Described second processor comprises:
Acquiring unit is used to obtain the described described controlled variable that provides the unit to provide;
Control module is used for controlling described display module according to described controlled variable.
A kind of portable terminal, described portable terminal comprise the first processor and second processor, and the state of being controlled display module by described first processor is first state, and the state of being controlled display module by described second processor is second state,
Described first processor comprises:
Receiving element is used for receiving the demonstration switching command that second processor sends when described second state;
Described second processor comprises:
The unit is provided, is used to obtain controlled variable, and described controlled variable is sent to described first processor;
Described first processor also comprises:
Acquiring unit is used to obtain the described described controlled variable that provides the unit to provide;
Switch unit is used to control described portable terminal and switches to described first state;
Control module is used for controlling described display module according to described controlled variable.
By above technical scheme provided by the invention as seen, the first processor and second processor in the portable terminal of the present invention can be controlled display module respectively, after receiving the demonstration switching command, two processors make the processor after switching to carry out independent control to display module according to controlled variable by mutual controlled variable.Because two processors among the present invention can independently be controlled display module, therefore can switch to suitable processor according to the needs of displaying contents, improved the dirigibility that shows control; And owing to control the processor that is always of display module, therefore reduced system power dissipation, the corresponding service time that has prolonged battery in the portable terminal.
Description of drawings
Fig. 1 is the first embodiment process flow diagram of the display changeover method of portable terminal of the present invention;
Fig. 2 is the second embodiment process flow diagram of the display changeover method of portable terminal of the present invention;
Fig. 3 is the 3rd embodiment process flow diagram of the display changeover method of portable terminal of the present invention;
Fig. 4 is the 4th embodiment process flow diagram of the display control method of portable terminal of the present invention;
Fig. 5 is the portable terminal hardware structure synoptic diagram in conjunction with Fig. 3 and display changeover method embodiment shown in Figure 4;
Fig. 6 is the first embodiment block diagram of portable terminal of the present invention;
Fig. 7 is the second embodiment block diagram of portable terminal of the present invention;
Fig. 8 is the 3rd embodiment block diagram of portable terminal of the present invention.
Embodiment
Core of the present invention provides the display changeover method of portable terminal and uses the portable terminal of this changing method, in order to make those skilled in the art person understand the present invention program better, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Portable terminal in the embodiment of the invention comprises the first processor and second processor, and these two processors all can independently be controlled display module.Wherein, the state of display module being controlled by first processor is called first state, and the state of display module being controlled by second processor is called second state, and portable terminal switches between two states and can realize by change-over switch is set.
The first embodiment flow process of the display changeover method of portable terminal of the present invention as shown in Figure 1, this embodiment shows the demonstration control procedure of portable terminal when first state switches to second state:
Step 101: first processor receives when first state and shows switching command.
Step 102: first processor obtains controlled variable, and controlled variable is sent to second processor.
Concrete, first processor is in the current controlled variable of first core buffer record, controlled variable comprises that environmental variance parameter and user are provided with parameter etc., first processor sends to second processor and reads notice after record finishes, after second processor is received and is read notice, read controlled variable from first core buffer after, controlled variable is saved in second core buffer, second processor is handled controlled variable, makes controlled variable and current second state matches after the processing.
Step 103: first processor control portable terminal switches to second state.
Concrete, first processor receives that second processor sends obtain the notification message that display parameter finish after, control its switch is communicated with from being communicated with first processor to be converted to second processor.
Step 104: second processor is controlled display module according to controlled variable.
The second embodiment flow process of the display changeover method of portable terminal of the present invention as shown in Figure 2, this embodiment shows the demonstration control procedure of portable terminal when second state switches to first state:
Step 201: first processor receives the demonstration switching command that second processor sends at second state.
When second state, first processor can be in dormant state, second processor sends the demonstration switching command to first processor after executing the demonstration task, and this demonstration task can be to send to the demonstration task that is comprised in the demonstration switching command of second processor by first processor before switching to second state.
Step 202: second processor obtains controlled variable, and controlled variable is sent to first processor.
Concrete, second processor the current controlled variable of second core buffer record, this controlled variable can comprise that environmental variance parameter and user are provided with parameter, second processor sent to first processor and reads notice after record finished, after first processor receives and reads notice, read this controlled variable from second core buffer, and the controlled variable that gets access to is kept at first core buffer, second processor is handled controlled variable, makes the controlled variable and first state matches after the processing.
Step 203: first processor control portable terminal switches to first state.
Concrete, the first processor control its switch is communicated with from being communicated with to be converted to first processor with second processor, and conversion finishes the back first processor to second processor transmission shutdown command.
Step 204: first processor is controlled display module according to controlled variable.
The 3rd embodiment flow process of the display changeover method of portable terminal of the present invention as shown in Figure 3, after this embodiment shows in detail the initial start of portable terminal, switch to the demonstration handoff procedure of second state from first state, it wherein is arm processor with the first processor, second processor is an X 86 processor, display module is that example is described with LCD, and the state that arm processor control shows is first state, and the state that X 86 processor control shows is second state:
Step 301: after the initial start of portable terminal, arm processor starts first state that enters.
Arm processor has the characteristics of low-power consumption, low rate usually, is a kind of non-general processor, thus after the initial start of portable terminal, since not high to the display requirement of LCD, start arm processor usually, and at first LCD is controlled by arm processor.
Step 302:ARM processor initialization display parameter.
Arm processor can carry out initialization to the LCD display parameter by a lcd controller is set, the LCD display parameter mainly comprise: the sequential of the control signal of the display mode of the resolution of LCD, the sweep frequency of LCD, LCD, control LCD, to the frame buffer zone of LCD transmission information and the setting of DMA (DirectMemoryAccess, direct memory access) passage.
The demonstration of step 303:ARM processor control LCD.
Arm processor comprises software control and hardware controls to the control of LCD, wherein arm processor is finished by application software the frame buffer zone of storage control data is read and write, and by hardware interface the data in the frame buffer zone is arrived LCD through the DMA channel transfer then.
Wherein, because the hardware interface directly data of output is RGB (Red Green Blue, RGB) data of form, therefore can earlier data after being converted to LVDS (LowVoltage Differential Signal, low-voltage differential information) form, rgb format be sent to LCD by change-over circuit.The reason of conversion is, usually LCD adopts the circuit of rgb format to show output, but because the circuit-line complexity of rgb format is vulnerable to interference, and the signal of LVDS form can overcome the problems referred to above, and arm processor is converted to the rgb format data of output the data of LVDS form.
Step 304: judge whether to receive the demonstration switching command, if then execution in step 305; Otherwise, return step 303.
Because therefore arm processor low-power consumption low rate when portable terminal need pass through LCD display requirement higher data, then needs to carry out the switching of processor, portable terminal can send to arm processor and show switching command this moment.
Step 305:ARM processor writes down current controlled variable in first core buffer.
After arm processor receives and shows switching command, in order to guarantee that switching the controlled variable of front and back being moved by current mobile terminal does not change, user's seamless experience can be recorded in current controlled variable in first core buffer that is provided with in the arm processor before switching when switching to satisfy.
Wherein, controlled variable can comprise: environmental variance parameter, user are provided with the interim webpage log file in parameter and the web page browsing etc.
Step 306:ARM processor sends to X 86 processor and reads notice.
The X86 controller has the characteristics of two-forty, high power consumption usually, be a kind of general Windows operating system, can handle the task higher, so arm processor sends to X 86 processor after having write down current controlled variable and read notice, prepare to switch to second state display requirement.
Step 307:X86 processor reads controlled variable in first buffer zone.
Step 308:X86 processor is kept at second core buffer with controlled variable.
Be provided with second core buffer in the X 86 processor, this second core buffer is used for preserving the controlled variable that reads.
Step 309:X86 processor is handled controlled variable and is made itself and second state matches.
After switching to second state from first state, in order to realize seamless switching, need make and switch preceding environmental variance and customer parameter etc., specifically after switching, remain unchanged as talking state, volume, time state, demonstration and contrast etc., rewriting that can be by internal memory during realization, the rewriting of register or driver reload the processing of finishing controlled variable so that the parameter and second state matches after switching.
Step 310:X86 processor sends to arm processor and obtains the notification message that display parameter finish.
Step 311:ARM processor control its switch is transformed into X 86 processor and is communicated with.
Change-over switch can send switch selection signal by arm processor to change-over switch for the two-way choice switch, and when first state, change-over switch is transformed into arm processor and LCD and is communicated with, by the control of arm processor realization to LCD; When second state, change-over switch is transformed into X 86 processor and LCD and is communicated with, by the control of X 86 processor realization to LCD.
Step 312:ARM processor enters dormant state.
Step 313:X86 processor is controlled LCD and is shown under second state.
X 86 processor comprises that to the control procedure of LCD starting BIOS reads video card information, enter operating system finishing to the initialization of video card and miscellaneous equipment and after detecting, operating system is provided with parameter with environmental variance and user and sends to video card, show by video card control, control procedure comprises from internal memory frame buffer zone reading of data,, output to LCD by video card again and show to video card through the DMA channel transfer.
The 4th embodiment flow process of the display changeover method of portable terminal of the present invention as shown in Figure 4, after this embodiment shows in detail the initial start of portable terminal, switch to the demonstration handoff procedure of first state from second state, it wherein still is arm processor with the first processor, second processor is an X 86 processor, display module is that LCD is that example is described, the state that arm processor control shows is first state, the state that X 86 processor control shows is second state, and arm processor is in dormant state under second state:
Step 401:X86 processor is controlled LCD and is shown under second state.
Step 402:X86 processor judges whether the demonstration task is finished, if then execution in step 403; Otherwise, return step 401.
In order to reduce power consumption of mobile terminals as far as possible, finish the demonstration task of having relatively high expectations when X 86 processor after, can switch to the first lower state of power consumption.
Step 403:X86 processor sends to arm processor and shows switching command.
After the demonstration task of having relatively high expectations was finished, X 86 processor sent to arm processor and shows switching command, prepares to switch to the first lower state of power consumption.
Step 404:X86 processor writes down current controlled variable in second core buffer.
After X 86 processor receives and shows switching command, in order to guarantee that switching the controlled variable of front and back being moved by current mobile terminal does not change, user's seamless experience can be recorded in current controlled variable in second core buffer that is provided with in the X 86 processor before switching when switching to satisfy.
Wherein, controlled variable can comprise: environmental variance parameter, user are provided with the interim webpage log file in parameter and the web page browsing etc.
Step 405:X86 processor sends to arm processor and reads notice.
Step 406:ARM processor reads controlled variable in second core buffer.
Step 407:ARM processor is kept at first core buffer with controlled variable.
Step 408:ARM processor is handled controlled variable and is made itself and first state matches.
After switching to first state from second state, in order to realize seamless switching, need make and switch preceding environmental variance and customer parameter etc., remain unchanged after switching as talking state, volume, time state, demonstration and contrast etc., rewriting that specifically can be by internal memory, the rewriting of register or driver reload the processing of finishing controlled variable so that the parameter and first state matches after switching.
Step 409:ARM processor control its switch is converted to arm processor and links to each other.
Change-over switch can send switch selection signal by arm processor to change-over switch for the two-way choice switch, and when first state, change-over switch is transformed into arm processor and LCD and is communicated with, by the control of arm processor realization to LCD; When second state, change-over switch is transformed into X 86 processor and LCD and is communicated with, by the control of X 86 processor realization to LCD.
Step 410:ARM processor sends shutdown command to X 86 processor.
Step 411:ARM processor is controlled LCD and is shown under first state.
The process that arm processor control LCD shows is consistent with the description among the 3rd embodiment, does not repeat them here.
In conjunction with Fig. 3 and Fig. 4, the portable terminal hardware configuration synoptic diagram that the embodiment that uses display changeover method of the present invention shows switching as shown in Figure 5:
Comprise in this portable terminal: arm processor, X 86 processor, RGB-LVDS change-over circuit, change-over switch and LCD, be provided with exchange channels between arm processor and the X 86 processor, be used for communication notification messages or data.Wherein, be provided with first core buffer in the arm processor, be provided with second core buffer in the X 86 processor.
During the initial movable starting up of terminal, start arm processor and enter first state, the initialization of arm processor comprises the sequential, the initialization of carrying out to display parameter such as being provided with of the frame buffer zone of LCD transmission information and DMA passage of control signal of display mode, the control LCD of sweep frequency, the LCD of resolution to LCD, LCD.Under first state, change-over switch connects the transmission channel between arm processor and the LCD, the demonstration of arm processor control LCD, comprise finishing the frame buffer zone of storage control data is read and write, by hardware interface the data in the frame buffer zone are transferred to LCD after through RGB-LVDS change-over circuit format transformation then by application software.
Under first state, when arm processor receives the demonstration switching command, when request X86 carries out the demonstration task of having relatively high expectations, arm processor is with the current controlled variable of moving, comprise that environmental variance parameter and user are provided with parameter etc. and are saved in first core buffer, after finishing, preservation reads notice to the X 86 processor transmission by exchange channels, after X 86 processor receives and reads notice, read controlled variable and be saved in second core buffer from first core buffer by exchange channels, after handling the controlled variable in second core buffer, X 86 processor makes itself and second state matches, the back X 86 processor that disposes sends to arm processor by exchange channels and obtains the notification message that display parameter finish, after receiving this message, the arm processor control its switch is changed, conversion back change-over switch connects the transmission channel between X 86 processor and the LCD, by the demonstration of X 86 processor control LCD, arm processor enters dormant state.
Under second state, after X 86 processor is finished the demonstration task, send the demonstration switching command to arm processor by exchange channels.X 86 processor is with the current controlled variable of moving, comprise that environmental variance parameter and user are provided with parameter etc. and are saved in second core buffer, after finishing, preservation reads notice to the arm processor transmission by exchange channels, after arm processor receives and reads notice, read controlled variable and be saved in first core buffer from second core buffer by exchange channels, after handling the controlled variable in first core buffer, arm processor makes itself and first state matches, the back arm processor that disposes sends to X 86 processor by exchange channels and obtains the notification message that display parameter finish, and control its switch is changed, conversion back change-over switch connects the transmission channel between arm processor and the LCD, demonstration by arm processor control LCD, arm processor sends shutdown command to X 86 processor simultaneously, X 86 processor receives this order back shutdown, to save mobile terminal power consumption.
Corresponding with the embodiment of the display changeover method of portable terminal of the present invention, the present invention also provides the embodiment of portable terminal.At least comprise the first processor and second processor in the portable terminal of the present invention, wherein the state by described first processor control display module is first state, and the state of being controlled display module by described second processor is second state.In actual applications, these two processors can be respectively arm processor and X 86 processor.
The first embodiment block diagram of portable terminal of the present invention as shown in Figure 6, this portable terminal comprises: the first processor 610 and second processor 620.
Wherein, first processor 610 comprises: receiving element 611, be used for when described first state, and receive and show switching command; Unit 612 is provided, is used to obtain controlled variable, and described controlled variable is sent to described second processor 620 according to described demonstration switching command; Switch unit 613 is used to control described portable terminal and switches to described second state;
The second embodiment block diagram of portable terminal of the present invention as shown in Figure 7, this portable terminal comprises the first processor 710 and second processor 720.
Wherein, first processor 710 comprises: start unit 711, be used for the initial start of described portable terminal after, enter described first state after starting described first processor; Initialization unit 712 is used for the initialization display parameter, makes the characteristic coupling of described display parameter and described display module; Receiving element 713 is used for when described first state, receives to show switching command; Unit 714 is provided, is used to obtain controlled variable, and described controlled variable is sent to described second processor 720 according to described demonstration switching command; Switch unit 715 is used to control described portable terminal and switches to described second state;
Concrete, provide unit 714 can comprise (not shown among Fig. 7): the notice transmitting element is used for sending initiate notification to described second processor; The reference record unit is used for the current controlled variable of record in first core buffer, and described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
Concrete, acquiring unit 721 can comprise (not shown among Fig. 7): the parameter reading unit is used for reading described controlled variable in described first core buffer; Parameter is preserved the unit, is used for described controlled variable is kept at second core buffer; Parameter processing unit is used for described controlled variable is handled, and makes described controlled variable and described second state matches after the processing;
Concrete, switch unit 715 can comprise (not shown among Fig. 7): notify receiving element, be used to receive the notification message that described display parameter finish that obtains of second processor transmission; The switch transition unit is used for control its switch and is communicated with from being communicated with described first processor to be converted to described second processor.
The 3rd embodiment block diagram of portable terminal of the present invention as shown in Figure 8, this portable terminal comprises: the first processor 810 and second processor 820.
Wherein, first processor 810 comprises: receiving element 811 is used for receiving the demonstration switching command that second processor sends when described second state;
Concrete, provide unit 821 can comprise (not shown among Fig. 8): the reference record unit, be used for the current controlled variable of record in second core buffer, described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
Concrete, acquiring unit 812 can comprise (not shown among Fig. 8): the parameter reading unit is used for reading described controlled variable in described second core buffer; Parameter is preserved the unit, is used for described controlled variable is kept at first core buffer; Parameter processing unit is used for described controlled variable is handled, and makes described controlled variable and described first state matches after the processing;
Concrete, switch unit 813 can comprise (not shown among Fig. 8): the switch transition unit is used for control its switch and is communicated with from being communicated with to be converted to described first processor with described second processor; Command sending unit is used for sending shutdown command to described second processor.
It is pointed out that the present invention can be applied to have in the portable terminals such as the mobile phone of dual processor, PDA or notebook computer.As seen through the above description of the embodiments, the first processor and second processor in the portable terminal of the present invention can be controlled display module respectively, after receiving the demonstration switching command, two processors make the processor after switching to carry out independent control to display module according to controlled variable by mutual controlled variable.Because two processors among the present invention can independently be controlled display module, therefore can switch to suitable processor according to the needs of displaying contents, improved the dirigibility that shows control; And, therefore reduced system power dissipation owing to control the processor that is always of display module.
Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the display changeover method of a portable terminal, it is characterized in that described portable terminal comprises the first processor and second processor, the state of being controlled display module by described first processor is first state, state by described second processor control display module is second state, comprising:
When described first state, described first processor receives and shows switching command;
Described first processor obtains controlled variable;
Described first processor sends to described second processor with described controlled variable, and the control portable terminal switches to described second state;
Described second processor is controlled described display module according to described controlled variable.
2. method according to claim 1 is characterized in that, also comprises:
Portable terminal is initially started shooting, and described first processor enters described first state after starting;
First processor initialization display parameter mate the characteristic of described display parameter and described display module.
3. method according to claim 1 is characterized in that, described first processor sends to second processor with described controlled variable and comprises:
First processor is in the current controlled variable of first core buffer record, and described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
First processor sends to described second processor and reads notice;
Second processor reads described controlled variable from described first core buffer;
Second processor is kept at second core buffer with described controlled variable;
Described controlled variable is handled, made described controlled variable and described second state matches after the processing.
4. method according to claim 1 is characterized in that, described control portable terminal switches to described second state and comprises:
First processor receives the notification message that described display parameter finish that obtains of second processor transmission;
Control its switch is communicated with from being communicated with described first processor to be converted to described second processor.
5. the display changeover method of a portable terminal, it is characterized in that described portable terminal comprises the first processor and second processor, the state of being controlled display module by described first processor is first state, state by described second processor control display module is second state, comprising:
When described second state, first processor receives the demonstration switching command that second processor sends;
Described second processor obtains controlled variable;
Described second processor sends to described first processor with described controlled variable;
After described first processor control portable terminal switches to described first state, control described display module according to described controlled variable.
6. method according to claim 5 is characterized in that, during described second state, described first processor is in sleep state;
The demonstration switching command that described second processor sends is specially: described second processor executes the switching command that sends after the demonstration task, and described demonstration task sends to the demonstration task that comprises in the demonstration switching command of described second processor for described first processor before switching to described second state.
7. method according to claim 5 is characterized in that, described second processor sends to described first processor with current controlled variable and comprises:
Second processor is in the current controlled variable of second core buffer record, and described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
Second processor sends to described first processor and reads notice;
First processor reads described controlled variable from described second core buffer;
First processor is kept at first core buffer with described controlled variable;
Described controlled variable is handled, made described controlled variable and described first state matches after the processing.
8. method according to claim 5 is characterized in that, described first processor control portable terminal switches to described first state and comprises:
The first processor control its switch is communicated with from being communicated with to be converted to described first processor with described second processor;
First processor sends shutdown command to described second processor.
9. a portable terminal is characterized in that, described portable terminal comprises the first processor and second processor, and wherein the state by described first processor control display module is first state, and the state of being controlled display module by described second processor is second state,
Described first processor comprises:
Receiving element is used for when described first state, receives to show switching command;
The unit is provided, is used to obtain controlled variable, and described controlled variable is sent to described second processor;
Switch unit is used to control described portable terminal and switches to described second state;
Described second processor comprises:
Acquiring unit is used to obtain the described described controlled variable that provides the unit to provide;
Control module is used for controlling described display module according to described controlled variable.
10. portable terminal according to claim 9 is characterized in that, described first processor also comprises:
Start unit, be used for the initial start of described portable terminal after, enter described first state after starting described first processor;
Initialization unit is used for the initialization display parameter, makes the characteristic coupling of described display parameter and described display module.
11. portable terminal according to claim 9 is characterized in that, the described unit that provides comprises:
The reference record unit is used in the current controlled variable of first core buffer record, and described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
The notice transmitting element is used for reading notice to described second processor transmission;
Described acquiring unit comprises:
The parameter reading unit is used for reading described controlled variable from described first core buffer;
Parameter is preserved the unit, is used for described controlled variable is kept at second core buffer;
Parameter processing unit is used for described controlled variable is handled, and makes described controlled variable and described second state matches after the processing.
12. portable terminal according to claim 9 is characterized in that, described switch unit comprises:
Notify receiving element, be used to receive the notification message that described display parameter finish that obtains of second processor transmission;
The switch transition unit is used for control its switch and is communicated with from being communicated with described first processor to be converted to described second processor.
13. a portable terminal is characterized in that, described portable terminal comprises the first processor and second processor, and the state of being controlled display module by described first processor is first state, and the state of being controlled display module by described second processor is second state,
Described first processor comprises:
Receiving element is used for receiving the demonstration switching command that second processor sends when described second state;
Described second processor comprises:
The unit is provided, is used to obtain controlled variable, and described controlled variable is sent to described first processor;
Described first processor also comprises:
Acquiring unit is used to obtain the described described controlled variable that provides the unit to provide;
Switch unit is used to control described portable terminal and switches to described first state;
Control module is used for controlling described display module according to described controlled variable.
14. portable terminal according to claim 13 is characterized in that, the described unit that provides comprises:
The reference record unit is used in the current controlled variable of second core buffer record, and described controlled variable comprises that at least environmental variance parameter and user are provided with parameter;
The notice transmitting element is used for reading notice to described first processor transmission;
Described acquiring unit comprises:
The parameter reading unit is used for reading described controlled variable from described second core buffer;
Parameter is preserved the unit, is used for described controlled variable is kept at first core buffer;
Parameter processing unit is used for described controlled variable is handled, and makes described controlled variable and described first state matches after the processing.
15. portable terminal according to claim 13 is characterized in that, described switch unit comprises:
The switch transition unit is used for control its switch and is communicated with from being communicated with to be converted to described first processor with described second processor;
Command sending unit is used for sending shutdown command to described second processor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810240278 CN101751114B (en) | 2008-12-22 | 2008-12-22 | Display switching method for mobile terminal and mobile terminal |
| US12/627,782 US8271048B2 (en) | 2008-12-01 | 2009-11-30 | Operation mode switching method for communication system, mobile terminal and display switching method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810240278 CN101751114B (en) | 2008-12-22 | 2008-12-22 | Display switching method for mobile terminal and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101751114A true CN101751114A (en) | 2010-06-23 |
| CN101751114B CN101751114B (en) | 2012-01-25 |
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| CN 200810240278 Active CN101751114B (en) | 2008-12-01 | 2008-12-22 | Display switching method for mobile terminal and mobile terminal |
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