CN103246342A - Electronic device and power management method thereof - Google Patents
Electronic device and power management method thereof Download PDFInfo
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- CN103246342A CN103246342A CN2012100305706A CN201210030570A CN103246342A CN 103246342 A CN103246342 A CN 103246342A CN 2012100305706 A CN2012100305706 A CN 2012100305706A CN 201210030570 A CN201210030570 A CN 201210030570A CN 103246342 A CN103246342 A CN 103246342A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
Abstract
The invention discloses an electronic device and a power management method thereof. The power management method is applied to the electronic device. The electronic device comprises a first system and a second system different from the first system. The method includes: the first system acquires a first instruction to allow the first system to switch from a first system status to a second system status different from the first system status; the first system responses to the first instruction and controls the first system to switch from the first system status to the second system status; and the first system responses to the first instruction to manage the system status of the second system.
Description
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, more and more universal such as the electronic equipment of mobile phone, panel computer and personal digital assistant, it has light, as to adopt simple touch control operation advantage, and it can easily be realized surfing the Net, playing 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) operation simultaneously thereon.In addition, also occurred based on the electronic apparatus system that mixes (Hybrid) framework.For example, occurred by operation
X86 system and the operation of operating system
The Hybrid system architecture that the ARM system of operating system constitutes.In general, the X86 system is called main system, and the ARM system is called from system.The user can carry out freely switching between two systems as required.By foreground system is switched to operation
The ARM system of operating system, thus the cruising time that power consumption prolongs electronic equipment can be reduced greatly.
Usually, there is difference in the power management policy from system of the main system of X86 framework and ARM framework.For example, the main system of X86 framework is generally followed ACPI (advanced configuration and power-management interface) standard, and the power management standard from system of ARM framework is then comparatively simple.When the main system of X86 framework and ARM framework from system's independent operating the time, follow oneself power specifications separately.And when lumping together composition Hybrid system, go back the power management standard of neither one standard at present.Each producer has formulated the power management policy of Hybrid system separately at the actual conditions of different product.Usually, the various power supply statuss of such power management policy are each being arranged in a combination of power supply status independently from system by the main system of X86 framework and ARM framework, therefore the some of them state does not exist in practice, and power management policy will be very complicated.In addition, different product needed needs overlapping development according to the actual design of doing differentiation, causes the waste of design cost.Therefore, be desirable to provide a kind of method for managing power supply for the electronic equipment under the Hybrid system architecture, it is easy to exploitation and can reduces the Hybrid system effectively 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 invention, a kind of method for managing power supply is provided, described method is used in the electronic equipment, described electronic equipment comprises first system and second system different with described first system, wherein, described method comprises: described first system obtains first instruction, and described first instruction is used to indicate described first system and switches to second system state from first system state, and wherein said first system state is different with described second system state; Described first system responses is controlled described first system and is switched to described second system state from described first system state in described first instruction; And described first system responses is in described first instruction, the system state of managing described second system.
In addition, according to the method for managing power supply of the embodiment of the invention, wherein said first system responses is in described first instruction, and the system state of managing described second system comprises: described first system obtains the current system state of second system as the 3rd system state; And described first system system state of managing described second system according to described the 3rd system state.
In addition, method for managing power supply according to the embodiment of the invention, the system state that wherein said first system manages described second system according to described the 3rd system state comprises: described first system judges that whether described the 3rd system state is duty, produces a judged result; When described judged result represents that described the 3rd system state is off working state, make described second system enter Quaternary system system state from described the 3rd system state, wherein, described second system state is identical with described Quaternary system system state; And when described judged result represents that described the 3rd system state is duty, make described second system held in described the 3rd system state.
In addition, method for managing power supply according to the embodiment of the invention, wherein said electronic equipment also comprises shared device, described method also comprises: based on steering order, control one of described first system and described second system and occupy described shared device, wherein, described second system state of described first system is described the 3rd system state of duty and described second system when being duty, produces to be used for the steering order that described first system occupies described shared device; Described second system state of described first system is described the 3rd system state of off working state and described second system when being duty, produces to be used for the steering order that described second system occupies described shared device.
According to another embodiment of the present invention, a kind of electronic equipment is provided, described electronic equipment comprises first system and second system different with described first system, described first system comprises an energy supply control module, wherein, described energy supply control module obtains first instruction, and described first instruction is used to indicate described first system and switches to second system state from first system state, and wherein said first system state is different with described second system state; Described energy supply control module is controlled described first system and is switched to described second system state from described first system state in response to described first instruction; And described energy supply control module is in response to described first instruction, the system state of managing 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 of managing described second system comprises: described energy supply control module obtains the current system state of second system as the 3rd system state; And the described energy supply control module system state of managing described second system according to described the 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 is managed described second system according to described the 3rd system state comprises: described energy supply control module judges that whether described the 3rd system state is duty, produces a judged result; When described judged result represents that described the 3rd system state is off working state, make described second system enter Quaternary system system state from described the 3rd system state, wherein, described second system state is identical with described Quaternary system system state; And when described judged result represents that described the 3rd system state is duty, make described second system held in described the 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 first system and described second system and occupy described shared device, described second system state of described first system is described the 3rd system state of duty and described second system when being duty, and described energy supply control module produces and is used for the steering order that described first system occupies described shared device; Described second system state of described first system is described the 3rd system state of off working state and described second system when being duty, and described energy supply control module produces and is used for the steering order that described second system occupies described shared device.
According to electronic equipment and the method for managing power supply thereof of the embodiment of the invention, it is easy to exploitation and can reduces the Hybrid system effectively to overall power, also takes into account the own characteristic of Hybrid system simultaneously.
The general description and the following detailed both that it being understood that the front are exemplary, and the further specifying of the intention technology that is to provide claimed.
Description of drawings
Fig. 1 is the schematic block diagram that illustrates according to the main configuration of the electronic equipment of the embodiment of the invention;
Fig. 2 is the process flow diagram that illustrates according to the method for managing power supply of the embodiment of the invention;
Fig. 3 is the further process flow diagram that illustrates according to the method for managing power supply of the embodiment of the invention;
Fig. 4 illustrates the particular flow sheet that is applied to main system start/wakeup process according to the method for managing power supply of the embodiment of the invention; And
Fig. 5 illustrates the particular flow sheet that is applied to main system shutdown/sleep procedure according to the method for managing power supply of the embodiment of the invention.
Embodiment
Below, with preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.
At first, with reference to the electronic equipment of Fig. 1 description according to the embodiment of the invention.Described electronic equipment preferably for example is smart mobile phone, personal digital assistant, palm PC etc.
Fig. 1 is the schematic block diagram that illustrates according to the main configuration of the electronic equipment of the embodiment of the invention.As shown in Figure 1, the electronic equipment 10 according to the embodiment of the invention has first system 100, second system 200 and shared hardware 300.In a preferred embodiment of the invention, described first system 100 is X86 systems, is also referred to as main system.Described second system 200 is ARM systems, is also referred to as from system.Have separately processing unit and storage unit respectively as described first system 100 of main system with as described second system 200 from system.Those skilled in the art are understood that easily in order to simplify description, described processing unit and storage unit are not shown in Figure 1.As shown in Figure 1, the electronic equipment 10 according to the embodiment of the invention also comprises shared hardware 300.Those skilled in the art are understood that easily described shared hardware 300 generally includes input block (such as keyboard, mouse etc.), display unit etc.The Hybrid system architecture that is constituted by described first system 100 (main system) and described second system 200 (from system), described first system 100 and described second system 200 are during as the foreground system of current Hybrid system architecture, and it can have described shared hardware 300 resources.For example, are X86 systems in described first system 100, and described first system 100 is under the situation of foreground system, the display unit of described electronic equipment 10 can show described first system 100 operation system interface (such as
Display interface).Simultaneously, the input block such as keyboard, mouse etc. can receive the user for the operation input of described first system 100.
As shown in Figure 1, described first system 100 comprises a power management module 101.Described power management module 101 is used for carrying out the power management of the electronic equipment 10 under the Hybrid system architecture.That is to say, in the electronic equipment 10 according to the embodiment of the invention, described first system 100 as just main system has the power management module 101 of carrying out power management function, and as the power management module that does not have oneself from described second system 200 of system.In the case, has separately power management module respectively with main system under the prior art with from system, and carry out the framework difference of power management according to power management policy separately, in the electronic equipment 10 according to the embodiment of the invention, a hardware module that will be considered as own subordinate as described first system 100 of main system as described second system 200 from system is carried out power management.Therefore, according to the electronic equipment 10 of the embodiment of the invention only needs carry out unified power management policy by single power management module, thereby simplified the complicacy of design difficulty and power management policy itself greatly.
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 driver module of software module or the operating system of BIOS.In a preferred embodiment of the invention, described first system 100 and described second system 200 have the power supply status of S0-S5 usually.The S0 state is normal operating conditions, and under this state, all parts of system are in the duty that is powered, the overall power consumption maximum of system.The S1 state is also referred to as POS (charged dormancy, Power on Suspend) state, and under this state, system is except processor is out of service, and other parts are operate as normal still.The S2 state is that processor is in the state of decommissioning, and bus clock also is closed, but remaining parts still turns round.The S3 state is so-called STR (dormancy is to RAM, Suspend to RAM) state.The S4 state is also referred to as STD (dormancy to hard disk, Suspend to Disk) state, and at this moment system's primary power cuts out, but hard disk is still charged and can be waken up.The S5 state is to connect power supply at all interior parts Close Alls, i.e. system closedown state.
Abovely describe electronic equipment 10 according to the embodiment of the invention with reference to Fig. 1, will further specifically describe the method for managing power supply of carrying out by according to the electronic equipment 10 of the embodiment of the invention below.
Fig. 2 is the process flow diagram that illustrates according to the method for managing power supply of the embodiment of the invention.As shown in Figure 2, the method for managing power supply according to the embodiment of the invention comprises:
In step S201, described first system 100 obtains first instruction, and described first instruction is used to indicate described first system 100 and switches to second system state from first system state.At this, described first system state is different with described second system state.In a preferred embodiment of the invention, the user can import described first instruction, instructs described first system 100 to switch to second system state (for example, duty S0) from first system state (for example, off working state S3/S4/S5).In another preferred embodiment of the present invention, described first instruction can be triggered by software and/or hardware automatically satisfying under the predetermined condition situation of (such as, the processing power that the battery condition of battery or operating software are required).After this, processing enters step S202.
In step S202, the power management module 101 of described first system 100 is controlled described first system 100 and is switched to described second system state from described first system state in response to described first instruction.After this, processing enters step S203.
In step S203, the power management module 101 of described first system 100 is in response to described first instruction, the system state of managing described second system 200.Particularly, the power management module 101 of described first system 100 obtains the current system state of described second system 200 as the 3rd system state, and the power management module 101 of described first system 100 system state of managing described second system 200 according to described the 3rd system state.
More than, summarized method for managing power supply according to the embodiment of the invention with reference to Fig. 2.Below, further describe the system state how power management module 101 of described first system 100 manages described second system 200 according to described the 3rd system state with reference to Fig. 3.
Fig. 3 is the further process flow diagram that illustrates according to the method for managing power supply of the embodiment of the invention.
As shown in Figure 3, in step S301, the power management module 101 of described first system 100 obtains the current system state of described second system 200 as the 3rd system state.After this, processing enters step S302.
In step S302, the power management module 101 of described first system 100 judges whether described the 3rd system state is duty, and produces a judged result.
When in step S302, obtaining positive result, when namely described the 3rd system state is duty, handle entering step S303.In step S303, the power management module 101 of described first system 100 makes described second system 200 maintain described the 3rd system state.
On the contrary, when in step S302, obtaining negative decision, when namely described the 3rd system state is off working state, handle entering step S304.In step S304, the power management module 101 of described first system 100 makes described second system 200 enter Quaternary system system state from described the 3rd system state.At this, described second system state is identical with described Quaternary system system state.
For example, when described first system 100 from first system state (for example, off working state S3/S4/S5) (for example switches to second system state, duty S0) time, the power management module 101 of described first system 100 judges whether the current system state (that is described the 3rd system state) of described second system 200 is duty.When described the 3rd system state was duty, the power management module 101 of described first system 100 made described second system 200 maintain described the 3rd system state.That is to say that the power management module 101 of described first system 100 makes described second system 200 for identical with system state after described first system 100 changes.And when described the 3rd system state is off working state, the power management module 101 of described first system 100 makes described second system 200 enter Quaternary system system state, namely makes described second system 200 for identical with system state after described first system 100 changes equally.
In another case, when described first system 100 from first system state (for example, duty S0) (for example switches to second system state, off working state S3/S4/S5) time, the power management module 101 of described first system 100 judges whether the current system state (that is described the 3rd system state) of described second system 200 is duty.When described the 3rd system state was duty, the power management module 101 of described first system 100 made described second system 200 maintain described the 3rd system state.That is, power management module 101 makes described second system 200 maintain duty.And when described the 3rd system state was off working state, the power management module 101 of described first system 100 made 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 for identical with system state after described first system 100 changes equally.
In a preferred embodiment of the invention, method for managing power supply of the present invention has also been taken into account the need of work of Hybrid system, finishes the foreground system blocked operation under given conditions.Particularly, described second system state of described first system 100 is described the 3rd system state of duty and described second system 200 when being duty, produces to be used for the steering order that described first system 100 occupies described shared device; Described second system state of described first system 100 is described the 3rd system state of off working state and described second system 200 when being duty, produces to be used for the steering order that described second system 200 occupies described shared device.That is to say, after described first system 100 started shooting/wakes up, if this moment, described second system 200 was in running order, namely described second system 200 was foreground systems before, then described first system 100 is switched to foreground system, thereby have shared hardware by described first system 100.In another case, after the 100 shutdown/dormancy of described first system, if this moment, described second system 200 was in running order, then described second system 200 is switched to foreground system, thereby have shared hardware by described second system 200.
More than, with reference to Fig. 2 and Fig. 3 method for managing power supply according to the embodiment of the invention has been described.Below, with reference to Fig. 4 and Fig. 5 the idiographic flow that method for managing power supply according to the embodiment of the invention is applied to main system and starts shooting/wake up (shutdown/dormancy) process is described.
Fig. 4 illustrates the particular flow sheet that is applied to main system start/wakeup process according to the method for managing power supply of the embodiment of the invention.As shown in Figure 4, in step S401, main system receives and starts shooting/wake instruction up, and begin to carry out start/wake operation.
In step S402, the power management module in the main system detects main system and starts shooting/wake instruction up.
In step S403, the power management module in the main system judges whether from the work at present state of system be the S0 state.
If obtain positive result in step S403, then in step S404, the power management module in the main system generates the foreground system switching command, thereby main system is switched to foreground system, and makes main system obtain to share hardware resource.After this, handle and enter step S405, main system is started shooting/is waken up, and namely main system enters the S0 state.
On the contrary, if obtain negative decision in step S403, then in step S406, main system is started shooting/is waken up, and namely main system enters the S0 state, and the power management module in the main system will also switch to the S0 state from system.
Fig. 5 illustrates the particular flow sheet that is applied to main system shutdown/sleep procedure according to the method for managing power supply of the embodiment of the invention.As shown in Figure 5, in step S501, main system receives shutdown/dormancy instruction, and begins to carry out shutdown/sleep operation.
In step S502, the power management module in the main system detects main system shutdown/dormancy instruction.
In step S503, the power management module in the main system judges whether from the work at present state of system be the S0 state.
If obtain positive result in step S503, then in step S504, the power management module in the main system generates the foreground system switching command, thereby will switch to foreground system from system, and makes from the shared hardware resource of system's acquisition.After this, handle and enter step S405, main system shutdown/dormancy, namely main system enters the S3/S4/S5 state.
On the contrary, if in step S503, obtain negative decision, then in step S506, main system shutdown/dormancy, be that main system enters the S3/S4/S5 state, and owing to be in the S3/S4/S5 state from system, so the power management module in the main system is not to from system's executable operations.
More than referring to figs. 1 through Fig. 5 electronic equipment and method for managing power supply thereof according to the embodiment of the invention have been described, it is easy to exploitation and can reduces the Hybrid system effectively to overall power, also takes into account the own characteristic of Hybrid system simultaneously.
Need to prove, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having under the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
At last, need to prove also that above-mentioned a series of processing not only comprise the processing of carrying out by the time sequence with order described here, and comprise parallel or respectively rather than the processing of carrying out in chronological order.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying with the form of software product that technical scheme of the present invention contributes to background technology, 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 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.
More than the present invention is described in detail, used specific case herein principle of the present invention and embodiment set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. method for managing power supply, described method is used in the electronic equipment, and described electronic equipment comprises first system and second system different with described first system, and wherein, described method comprises:
Described first system obtains first instruction, and described first instruction is used to indicate described first system and switches to second system state from first system state, and wherein said first system state is different with described second system state;
Described first system responses is controlled described first system and is switched to described second system state from described first system state in described first instruction; And
Described first system responses is in described first instruction, the system state of managing described second system.
2. method for managing power supply as claimed in claim 1, wherein said first system responses is in described first instruction, and the system state of managing described second system comprises:
Described first system obtains the current system state of second system as the 3rd system state; And
The system state that described first system manages described second system according to described the 3rd system state.
3. method for managing power supply as claimed in claim 2, the system state that wherein said first system manages described second system according to described the 3rd system state comprises:
Described first system judges that whether described the 3rd system state is duty, produces a judged result;
When described judged result represents that described the 3rd system state is off working state, make described second system enter Quaternary system system state from described the 3rd system state, wherein, described second system state is identical with described Quaternary system system state; And
When described judged result represents that described the 3rd system state is duty, make described second system held in described the 3rd system state.
4. method for managing power supply as claimed in claim 2, wherein said electronic equipment also comprises shared device, described method also comprises:
Based on steering order, control one of described first system and described second system and occupy described shared device,
Wherein, described second system state of described first system is described the 3rd system state of duty and described second system when being duty, produces to be used for the steering order that described first system occupies described shared device; Described second system state of described first system is described the 3rd system state of off working state and described second system when being duty, produces to be used for the steering order that described second system occupies described shared device.
5. electronic equipment, described electronic equipment comprises first system and second system different with described first system, described first system comprises an energy supply control module,
Wherein, described energy supply control module obtains first instruction, and described first instruction is used to indicate described first system and switches to second system state from first system state, and wherein said first system state is different with described second system state;
Described energy supply control module is controlled described first system and is switched to described second system state from described first system state in response to described first instruction; And
Described energy supply control module is in response to described first instruction, the system state of managing described second system.
6. electronic equipment as claimed in claim 5, wherein said energy supply control module is in response to described first instruction, and the system state of managing described second system comprises:
Described energy supply control module obtains the current system state of second system as the 3rd system state; And
The system state that described energy supply control module is managed described second system according to described the 3rd system state.
7. electronic equipment as claimed in claim 6, the system state that wherein said energy supply control module is managed described second system according to described the 3rd system state comprises:
Described energy supply control module judges that whether described the 3rd system state is duty, produces a judged result;
When described judged result represents that described the 3rd system state is off working state, make described second system enter Quaternary system system state from described the 3rd system state, wherein, described second system state is identical with described Quaternary system system state; And
When described judged result represents that described the 3rd system state is duty, make described second system held in described the 3rd system state.
8. electronic equipment as claimed in claim 6, wherein said electronic equipment also comprises shared device,
Wherein, described energy supply control module is controlled one of described first system and described second system and is occupied described shared device based on steering order,
Described second system state of described first system is described the 3rd system state of duty and described second system when being duty, and described energy supply control module produces and is used for the steering order that described first system occupies described shared device; Described second system state of described first system is described the 3rd system state of off working state and described second system when being duty, and described energy supply control module produces and is used for the steering order that described second system occupies described shared device.
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| US20100088531A1 (en) * | 2008-10-08 | 2010-04-08 | Lenovo (Beijing) Limited | Hybrid-system computer |
| US20100123725A1 (en) * | 2008-11-14 | 2010-05-20 | Azar Hassane S | Picture Processing Using A Hybrid System Configuration |
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| CN104731305A (en) * | 2015-04-03 | 2015-06-24 | 青岛歌尔声学科技有限公司 | Shutdown control circuit and electronic product with same |
| CN104731305B (en) * | 2015-04-03 | 2017-08-25 | 青岛歌尔声学科技有限公司 | Shutdown control circuit and the electronic product with the shutdown control circuit |
| CN111757577A (en) * | 2020-06-29 | 2020-10-09 | 深圳创维－Rgb电子有限公司 | Indicating lamp brightness adjusting method and device, intelligent device and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105607728A (en) | 2016-05-25 |
| CN103246342B (en) | 2016-03-02 |
| CN105607728B (en) | 2019-07-26 |
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