CN103246342B - Electronic equipment and method for managing power supply thereof - Google Patents

Electronic equipment and method for managing power supply thereof Download PDF

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CN103246342B
CN103246342B CN201210030570.6A CN201210030570A CN103246342B CN 103246342 B CN103246342 B CN 103246342B CN 201210030570 A CN201210030570 A CN 201210030570A CN 103246342 B CN103246342 B CN 103246342B
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state
system state
electronic equipment
instruction
duty
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CN103246342A (en
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柯海滨
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode

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  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

The invention discloses a kind of electronic equipment and method for managing power supply thereof.In described method for managing power supply applying electronic equipment, described electronic equipment comprises the first system and the second system different from described the first system, wherein, described method comprises: described the first system obtains the first instruction, described first instruction is used to indicate described the first system and is switched to second system state from the first system state, and wherein said the first system state is different from described second system state; Described the first system, in response to described first instruction, controls described the first system and is switched to described second system state from described the first system state; And described the first system is in response to described first instruction, manages the system state of described second system.

Description

Electronic equipment and method for managing power supply thereof
Technical field
The present invention relates to the field of electronic equipment, more specifically, the present invention relates to a kind of electronic equipment and method for managing power supply thereof.
Background technology
In recent years, such as the electronic equipment of mobile phone, panel computer and personal digital assistant is more and more universal, and it has light, to adopt simple touch control operation advantage, and it can easily realize surfing the Net, play games, see video, read magazine etc. function.Along with the continuous enhancing of the hardware capability of electronic equipment, same electronic equipment can support two operating systems (such as deng) run thereon simultaneously.In addition, have also appeared the electronic apparatus system based on mixing (Hybrid) framework.Such as, occurred by running the X86 system of operating system and operation the Hybrid system architecture of the ARM system formation of operating system.In general, X86 system is called main system, and ARM system is called from system.User can carry out free switching as required between the two systems.By foreground system is switched to operation the ARM system of operating system, can reduce power consumption thus the cruising time of prolongation electronic equipment greatly.
Usually, there is difference from the power management policy of system in the main system of X86-based and ARM framework.Such as, the main system of X86-based generally follows ACPI (advanced configuration and power-management interface) specification, and the power management specification from system of ARM framework is then comparatively simple.When the main system of X86-based and ARM framework from system independent operating time, follow the power specifications of oneself separately.And when being combined composition Hybrid system, go back the power management specification of neither one standard at present.Each producer formulates the power management policy of respective Hybrid system for the actual conditions of different product.Usually, the various power supply statuss of such power management policy are by each being independently arranged in a combination of power supply status from system of the main system of X86-based and ARM framework, therefore some of them state does not exist in practice, and power management policy will be very complicated.In addition, different product needed, according to the actual design doing differentiation, needs overlapping development, causes the waste of design cost.Therefore, desirable to provide a kind of method for managing power supply for the electronic equipment under Hybrid system architecture, it is easy to exploitation and effectively can reduces Hybrid system to overall power, also takes into account the own characteristic of Hybrid system simultaneously.
Summary of the invention
Because above-mentioned situation, the invention provides a kind of electronic equipment and method for managing power supply thereof.
According to the embodiment of the present invention, provide a kind of method for managing power supply, described method is applied in an electronic equipment, described electronic equipment comprises the first system and the second system different from described the first system, wherein, described method comprises: described the first system obtains the first instruction, and described first instruction is used to indicate described the first system and is switched to second system state from the first system state, and wherein said the first system state is different from described second system state; Described the first system, in response to described first instruction, controls described the first system and is switched to described second system state from described the first system state; And described the first system is in response to described first instruction, manages the system state of described second system.
In addition, according to the method for managing power supply of the embodiment of the present invention, wherein said the first system is in response to described first instruction, and the system state managing described second system comprises: described the first system obtains the current system conditions of second system as the 3rd system state; And described the first system manages the system state of described second system according to described 3rd system state.
In addition, according to the method for managing power supply of the embodiment of the present invention, the system state that wherein said the first system manages described second system according to described 3rd system state comprises: described the first system judges whether described 3rd system state is duty, produces a judged result; When described judged result represents that described 3rd system state is off working state, make described second system enter Quaternary system system state from described 3rd system state, wherein, described second system state and described Quaternary system state of uniting is identical; And when described judged result represents that described 3rd system state is duty, make described second system maintain described 3rd system state.
In addition, according to the method for managing power supply of the embodiment of the present invention, wherein said electronic equipment also comprises shared device, described method also comprises: based on steering order, control one of described the first system and described second system and occupy described shared device, wherein, the described second system state of described the first system be duty and described 3rd system state of described second system is duty time, produce and be used for described the first system and occupy the steering order of described shared device; The described second system state of described the first system for off working state and described in described second system, the 3rd system state is duty time, produce and be used for described second system and occupy the steering order of described shared device.
According to another embodiment of the present invention, provide a kind of electronic equipment, described electronic equipment comprises the first system and the second system different from described the first system, described the first system comprises an energy supply control module, wherein, described energy supply control module obtains the first instruction, and described first instruction is used to indicate described the first system and is switched to second system state from the first system state, and wherein said the first system state is different from described second system state; Described energy supply control module, in response to described first instruction, controls described the first system and is switched to described second system state from described the first system state; And described energy supply control module is in response to described first instruction, manages the system state of described second system.
In addition, electronic equipment according to another embodiment of the present invention, wherein said energy supply control module is in response to described first instruction, and the system state managing described second system comprises: described energy supply control module obtains the current system conditions of second system as the 3rd system state; And described energy supply control module manages the system state of described second system according to described 3rd system state.
In addition, electronic equipment according to another embodiment of the present invention, the system state that wherein said energy supply control module manages described second system according to described 3rd system state comprises: described energy supply control module judges whether described 3rd system state is duty, produces a judged result; When described judged result represents that described 3rd system state is off working state, make described second system enter Quaternary system system state from described 3rd system state, wherein, described second system state and described Quaternary system state of uniting is identical; And when described judged result represents that described 3rd system state is duty, make described second system maintain described 3rd system state.
In addition, electronic equipment according to another embodiment of the present invention, wherein said electronic equipment also comprises shared device, wherein, described energy supply control module is based on steering order, control one of described the first system and described second system and occupy described shared device, the described second system state of described the first system be duty and described 3rd system state of described second system is duty time, described energy supply control module produces the steering order being used for described the first system and occupying described shared device; The described second system state of described the first system for off working state and described in described second system, the 3rd system state is duty time, described energy supply control module produces the steering order being used for described second system and occupying described shared device.
According to electronic equipment and the method for managing power supply thereof of the embodiment of the present invention, it is easy to exploitation and effectively can reduces Hybrid system to overall power, also takes into account the own characteristic of Hybrid system simultaneously.
It being understood that general description above and detailed description below both exemplary, and intention is to provide further illustrating of claimed technology.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of the main configuration of the electronic equipment illustrated according to the embodiment of the present invention;
Fig. 2 is the process flow diagram of the method for managing power supply illustrated according to the embodiment of the present invention;
Fig. 3 is the further process flow diagram of the method for managing power supply illustrated according to the embodiment of the present invention;
Fig. 4 illustrates the particular flow sheet being applied to main system start/wakeup process according to the method for managing power supply of the embodiment of the present invention; And
Fig. 5 illustrates the particular flow sheet being applied to main system shutdown/sleep procedure according to the method for managing power supply of the embodiment of the present invention.
Embodiment
Below, the preferred embodiments of the present invention are described in detail with reference to accompanying drawing.
First, with reference to Fig. 1, the electronic equipment according to the embodiment of the present invention is described.Described electronic equipment is such as preferably smart mobile phone, personal digital assistant, palm PC etc.
Fig. 1 is the schematic block diagram of the main configuration of the electronic equipment illustrated according to the embodiment of the present invention.As shown in Figure 1, according to the electronic equipment 10 of the embodiment of the present invention, there is the first system 100, second system 200 and shared hardware 300.In a preferred embodiment of the invention, described the first system 100 is X86 systems, also referred to as main system.Described second system 200 is ARM system, also referred to as from system.As the described the first system 100 of main system with as the described second system 200 from system, there is respective processing unit and storage unit respectively.Those skilled in the art are it is easily understood that in order to simplified characterization, and described processing unit and storage unit are not shown in Figure 1.As shown in Figure 1, shared hardware 300 is also comprised according to the electronic equipment 10 of the embodiment of the present invention.Those skilled in the art are it is easily understood that described shared hardware 300 generally includes input block (such as keyboard, mouse etc.), display unit etc.The Hybrid system architecture be made up of described the first system 100 (main system) and described second system 200 (from system), during foreground system as current Hybrid system architecture of described the first system 100 and described second system 200, it can have described shared hardware 300 resource.Such as, are X86 systems at described the first system 100, and when described the first system 100 is foreground systems, the display unit of described electronic equipment 10 can show the operation system interface of described the first system 100 (such as display interface).Meanwhile, the input block of such as keyboard, mouse etc. can receive user and inputs for the operation of described the first system 100.
As shown in Figure 1, described the first system 100 comprises a power management module 101.Described power management module 101 is for performing the power management of the electronic equipment 10 under Hybrid system architecture.That is, according in the electronic equipment 10 of the embodiment of the present invention, described the first system 100 as just main system has the power management module 101 performing power management function, and does not have the power management module of oneself as the described second system 200 from system.In the case, with main system under prior art with from system, there is respective power management module respectively, and the framework carrying out power management according to respective power management policy is different, according in the electronic equipment 10 of the embodiment of the present invention, the hardware module being considered as oneself subordinate as the described second system 200 from system is carried out power management by the described the first system 100 as main system.Therefore, only need to perform unified power management policy by single power management module according to the electronic equipment 10 of the embodiment of the present invention, thus enormously simplify the complicacy of design difficulty and power management policy itself.
In a preferred embodiment of the invention, described power management module 101 can be ACPI (advanced configuration and power-management interface), also can be a software module of BIOS or a driver module of operating system.In a preferred embodiment of the invention, described the first system 100 and described second system 200 have the power supply status of S0-S5 usually.S0 state is normal operating conditions, and in this case, all parts of system are in the duty be powered, and the overall power consumption of system is maximum.S1 state is also referred to as POS (charged dormancy, PoweronSuspend) state, and in this case, system is except processor is out of service, and other parts still normally work.S2 state is that processor is in the state of decommissioning, and bus clock is also closed, but remaining parts still operates.S3 state is so-called STR (dormancy is to RAM, SuspendtoRAM) state.S4 state is also referred to as STD (dormancy to hard disk, SuspendtoDisk) state, and at this moment system primary power cuts out, but hard disk is still charged and can be waken up.S5 state connects power supply at interior all parts Close Alls, i.e. system closedown state.
Describe the electronic equipment 10 according to the embodiment of the present invention with reference to Fig. 1 above, will specifically describe further by the method for managing power supply performed according to the electronic equipment 10 of the embodiment of the present invention below.
Fig. 2 is the process flow diagram of the method for managing power supply illustrated according to the embodiment of the present invention.As shown in Figure 2, comprise according to the method for managing power supply of the embodiment of the present invention:
In step s 201, described the first system 100 obtains the first instruction, and described first instruction is used to indicate described the first system 100 and is switched to second system state from the first system state.At this, described the first system state is different from described second system state.In a preferred embodiment of the invention, user can input described first instruction, the first system 100 described in instruction is switched to second system state (such as, duty S0) from the first system state (such as, off working state S3/S4/S5).In another preferred embodiment of the invention, described first instruction when meeting predetermined condition (such as, the battery condition of battery or the processing power needed for operating software), can be triggered by software and/or hardware automatically.After this, process enters step S202.
In step S202, the power management module 101 of described the first system 100, in response to described first instruction, controls described the first system 100 and is switched to described second system state from described the first system state.After this, process enters step S203.
In step S203, the power management module 101 of described the first system 100, in response to described first instruction, manages the system state of described second system 200.Particularly, the power management module 101 of described the first system 100 obtains the current system conditions of described second system 200 as the 3rd system state, and the power management module 101 of described the first system 100 manages the system state of described second system 200 according to described 3rd system state.
Above, the method for managing power supply according to the embodiment of the present invention is outlined with reference to Fig. 2.Below, how the power management module 101 further describing described the first system 100 with reference to Fig. 3 manages the system state of described second system 200 according to described 3rd system state.
Fig. 3 is the further process flow diagram of the method for managing power supply illustrated according to the embodiment of the present invention.
As shown in Figure 3, in step S301, the power management module 101 of described the first system 100 obtains the current system conditions of described second system 200 as the 3rd system state.After this, process enters step S302.
In step s 302, the power management module 101 of described the first system 100 judges whether described 3rd system state is duty, and produces a judged result.
When obtaining positive result in step s 302, when namely described 3rd system state is duty, process enters step S303.In step S303, the power management module 101 of described the first system 100 makes described second system 200 maintain described 3rd system state.
On the contrary, when obtaining negative decision in step s 302, when namely described 3rd system state is off working state, process enters step S304.In step s 304, the power management module 101 of described the first system 100 makes described second system 200 enter Quaternary system system state from described 3rd system state.At this, described second system state and described Quaternary system state of uniting is identical.
Such as, when described the first system 100 from the first system state (such as, off working state S3/S4/S5) be switched to second system state (such as, duty S0) time, the power management module 101 of described the first system 100 judges whether the current system conditions (that is, described 3rd system state) of described second system 200 is duty.When described 3rd system state is duty, the power management module 101 of described the first system 100 makes described second system 200 maintain described 3rd system state.That is, the power management module 101 of described the first system 100 makes described second system 200 be that system state after changing with described the first system 100 is identical.And when described 3rd system state is off working state, the power management module 101 of described the first system 100 makes described second system 200 enter Quaternary system system state, namely makes described second system 200 be that system state after changing with described the first system 100 is identical equally.
In another case, when described the first system 100 from the first system state (such as, duty S0) be switched to second system state (such as, off working state S3/S4/S5) time, the power management module 101 of described the first system 100 judges whether the current system conditions (that is, described 3rd system state) of described second system 200 is duty.When described 3rd system state is duty, the power management module 101 of described the first system 100 makes described second system 200 maintain described 3rd system state.That is, power management module 101 makes described second system 200 maintain duty.And when described 3rd system state is off working state, the power management module 101 of described the first system 100 makes described second system 200 enter Quaternary system system state.Quaternary system system state is identical with second system state, is off working state S3/S4/S5, namely makes described second system 200 be that system state after changing with described the first system 100 is identical equally.
In a preferred embodiment of the invention, method for managing power supply of the present invention has also taken into account the need of work of Hybrid system, completes foreground system blocked operation under given conditions.Particularly, the described second system state of described the first system 100 be duty and described 3rd system state of described second system 200 is duty time, produce and be used for described the first system 100 and occupy the steering order of described shared device; The described second system state of described the first system 100 be off working state and described 3rd system state of described second system 200 is duty time, produce and be used for described second system 200 and occupy the steering order of described shared device.That is, after described the first system 100 is started shooting/wake up, if now described second system 200 is in running order, namely, described second system 200 is foreground systems, then described the first system 100 is switched to foreground system, thus have shared hardware by described the first system 100.In another case, described the first system 100 shut down/dormancy after, if now described second system 200 is in running order, then described second system 200 is switched to foreground system, thus has shared hardware by described second system 200.
Above, the method for managing power supply according to the embodiment of the present invention is described with reference to Fig. 2 and Fig. 3.Below, describe with reference to Fig. 4 and Fig. 5 and be applied to main system according to the method for managing power supply of the embodiment of the present invention and start shooting/wake up the idiographic flow of (shutdown/dormancy) process.
Fig. 4 illustrates the particular flow sheet being applied to main system start/wakeup process according to the method for managing power supply of the embodiment of the present invention.As shown in Figure 4, in step S401, main system receives instruction of starting shooting/wake up, and starts to perform start/wake operation.
In step S402, the power management module in main system detects that main system is started shooting/wake up instruction.
In step S403, the power management module in main system judge from the current operating state of system whether be S0 state.
If obtain positive result in step S403, then in step s 404, the power management module in main system generates foreground system switching command, thus main system is switched to foreground system, and makes Host Systems obtain shared hardware resource.After this, process enters step S405, and main system is started shooting/wake up, and namely main system enters S0 state.
On the contrary, if obtain negative decision in step S403, then in step S406, main system is started shooting/wake up, and namely main system enters S0 state, and the power management module in main system will also switch to S0 state from system.
Fig. 5 illustrates the particular flow sheet being applied to main system shutdown/sleep procedure according to the method for managing power supply of the embodiment of the present invention.As shown in Figure 5, in step S501, main system receives shutdown/dormancy instruction, and starts to perform shutdown/sleep operation.
In step S502, the power management module in main system detects main system shutdown/dormancy instruction.
In step S503, the power management module in main system judge from the current operating state of system whether be S0 state.
If obtain positive result in step S503, then in step S504, the power management module in main system generates foreground system switching command, thus will be foreground system from systematic evaluation, and makes to obtain shared hardware resource from system.After this, process enters step S405, and main system shutdown/dormancy, namely main system enters S3/S4/S5 state.
On the contrary, if obtain negative decision in step S503, then in step S506, main system shutdown/dormancy, namely main system enters S3/S4/S5 state, and owing to being in S3/S4/S5 state from system, so power management module in main system is not to from system executable operations.
Describe electronic equipment according to the embodiment of the present invention and method for managing power supply thereof referring to figs. 1 through Fig. 5 above, it is easy to exploitation and effectively can reduces Hybrid system to overall power, also takes into account the own characteristic of Hybrid system simultaneously.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Finally, also it should be noted that, above-mentioned a series of process not only comprises with the order described here temporally process that performs of sequence, and comprises process that is parallel or that perform respectively instead of in chronological order.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, and can certainly all be implemented by hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (6)

1. a method for managing power supply, described method is applied in an electronic equipment, and described electronic equipment comprises the first system and the second system different from described the first system, and wherein, described method comprises:
Described the first system obtains the first instruction, and described first instruction is used to indicate described the first system and is switched to second system state from the first system state, and wherein said the first system state is different from described second system state;
Described the first system, in response to described first instruction, controls described the first system and is switched to described second system state from described the first system state; And
Described the first system, in response to described first instruction, manages the system state of described second system, and the system state of wherein said the first system and described second system is duty or off working state.
2. method for managing power supply as claimed in claim 1, wherein said the first system is in response to described first instruction, and the system state managing described second system comprises:
Described the first system obtains the current system conditions of second system as the 3rd system state; And
Described the first system manages the system state of described second system according to described 3rd system state,
The system state that wherein said the first system manages described second system according to described 3rd system state comprises
Described the first system judges whether described 3rd system state is duty, produces a judged result;
When described judged result represents that described 3rd system state is off working state, make described second system enter Quaternary system system state from described 3rd system state, wherein, described second system state and described Quaternary system state of uniting is identical; And
When described judged result represents that described 3rd system state is duty, described second system is made to maintain described 3rd system state.
3. method for managing power supply as claimed in claim 2, wherein said electronic equipment also comprises shared device, and described method also comprises:
Based on steering order, control one of described the first system and described second system and occupy described shared device,
Wherein, the described second system state of described the first system be duty and described 3rd system state of described second system is duty time, produce and be used for described the first system and occupy the steering order of described shared device; The described second system state of described the first system for off working state and described in described second system, the 3rd system state is duty time, produce and be used for described second system and occupy the steering order of described shared device.
4. an electronic equipment, described electronic equipment comprises the first system and the second system different from described the first system, and described the first system comprises an energy supply control module,
Wherein, described energy supply control module obtains the first instruction, and described first instruction is used to indicate described the first system and is switched to second system state from the first system state, and wherein said the first system state is different from described second system state;
Described energy supply control module, in response to described first instruction, controls described the first system and is switched to described second system state from described the first system state; And
Described energy supply control module, in response to described first instruction, manages the system state of described second system, and the system state of wherein said the first system and described second system is duty or off working state.
5. electronic equipment as claimed in claim 4, wherein said energy supply control module is in response to described first instruction, and the system state managing described second system comprises:
Described energy supply control module obtains the current system conditions of second system as the 3rd system state; And
Described energy supply control module manages the system state of described second system according to described 3rd system state,
The system state that wherein said energy supply control module manages described second system according to described 3rd system state comprises
Described energy supply control module judges whether described 3rd system state is duty, produces a judged result;
When described judged result represents that described 3rd system state is off working state, make described second system enter Quaternary system system state from described 3rd system state, wherein, described second system state and described Quaternary system state of uniting is identical; And
When described judged result represents that described 3rd system state is duty, described second system is made to maintain described 3rd system state.
6. electronic equipment as claimed in claim 5, wherein said electronic equipment also comprises shared device,
Wherein, described energy supply control module, based on steering order, controls one of described the first system and described second system and occupies described shared device,
The described second system state of described the first system be duty and described 3rd system state of described second system is duty time, described energy supply control module produces the steering order being used for described the first system and occupying described shared device; The described second system state of described the first system for off working state and described in described second system, the 3rd system state is duty time, described energy supply control module produces the steering order being used for described second system and occupying described shared device.
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