CN108415547A - Electronic device and its method for managing power supply - Google Patents
Electronic device and its method for managing power supply Download PDFInfo
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- CN108415547A CN108415547A CN201710073270.9A CN201710073270A CN108415547A CN 108415547 A CN108415547 A CN 108415547A CN 201710073270 A CN201710073270 A CN 201710073270A CN 108415547 A CN108415547 A CN 108415547A
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- G—PHYSICS
- 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
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
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Abstract
A kind of electronic device of present invention offer and its method for managing power supply.This electronic device includes the storage device for supporting advanced power management and device startup power supply management.The method includes the use state of detecting electronic device, and the control parameter of the advanced power management according to the corresponding storage device of use state decision.Furthermore the method also includes the idle overtime time according to the device startup power supply management of control parameter setting memory devices.
Description
Technical field
The present invention relates to a kind of electronic device and its method for managing power supply, and more particularly to Serial Advanced Technology Attachment solid-state
A kind of electronic device and its method for managing power supply of hard disk.
Background technology
Serial Advanced Technology Attachment (Serial Advanced Technology Attachment, SATA) is used at present
The power management of the solid state disk (Solid-State Disk, SSD) of interface can be divided mainly into the host initiated by host side and open
Dynamic power management (Host Initiated Power Management, HIPM) and the device startup electricity initiated by device end
Source control (Device Initiated Power Management, DIPM).In general, solid state disk can all support device
Startup power supply management, to ensure in the case of other electric power management mechanisms, solid state disk still can be according to inherently
Electric power management mechanism is run.
It, can be by the overtime time of host side default host-initiated power management for host-initiated power management
(timeout), enter sleep (slumber) pattern when idle (idle) time reaching the overtime time to control solid state disk.
However, for actual operating state, solid state disk often reaches the overtime time of host-initiated power management in standby time
Just enter sleep pattern ahead of time before, so that influencing the Operating ettectiveness of solid state disk.
And for the management of device startup power supply, the overtime time of device startup power supply management is the firmware by solid state disk
(firmware) it is set as fixed value, setting can not be changed by host end system according to actual operating state, easily cause management
On inconvenience.
Invention content
A kind of electronic device of present invention offer and its method for managing power supply can set according to the use state of electronic device and fill
Set the idle overtime time of startup power supply management.
One embodiment of the invention proposes a kind of method for managing power supply, is suitable for the electronic device with storage device.This
Storage device supports advanced power management and device startup power supply management.This method for managing power supply includes detecting making for electronic device
With state, and determine according to use state the control parameter of the advanced power management of corresponding storage device.Furthermore this power supply pipe
Reason method further includes the idle overtime time according to the device startup power supply management of control parameter setting memory devices.The storage
Device is Serial Advanced Technology Attachment solid state disk.
One embodiment of the invention proposes a kind of electronic device, including processor and storage device.Storage device includes control
Device processed, and couple processor.Storage device supports advanced power management and device startup power supply management.Processor is detecting
The use state of electronic device, and the control parameter of the advanced power management according to the corresponding storage device of use state decision.
In addition, controller is to according to the idle overtime time of the device startup power supply management of control parameter setting memory devices.It is described
Storage device is Serial Advanced Technology Attachment solid state disk.
It can be by the processor of electronic device according to difference based on above-mentioned, of the invention electronic device and its method for managing power supply
Use state determine different control parameters, and the controller of storage device can according to the control parameter that processor is determined come
The idle overtime time of setting device startup power supply management.Accordingly, can storage device be controlled by the processor of electronic device
The idle overtime time of device startup power supply management.By above-mentioned method for managing power supply, powered source control machine can be improved
The defect of system, and it is dynamically adjusted the setting of the device startup power supply management of storage device.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
Description of the drawings
Fig. 1 is the block diagram according to the electronic device depicted in one embodiment of the invention.
Fig. 2 is the flow chart according to the method for managing power supply depicted in one embodiment of the invention.
Reference sign：10：Electronic device；11：Processor；12：Storage device；121：Controller；S201~S205：
Step.
Specific implementation mode
The present invention is different control parameters to be determined according to different use states, and then utilize control parameter setting storage
The idle overtime time of the device startup power supply management of device.Thereby it is dynamically adjusted the device startup power supply pipe of storage device
The setting of reason.
Fig. 1 is the block diagram according to the electronic device depicted in one embodiment of the invention.
Fig. 1 is please referred to, electronic device 10 includes processor 11 and storage device 12.The electronic device 10 of the present embodiment can example
The devices such as laptop, tablet computer, smart mobile phone or multimedia device in this way.However, electronic device 10 can be any tool
There is the host system device of processor 11, can coordinate with storage device 12 to store data, the present invention is not intended to limit electronics dress
The type set.Storage device 12 can be the memory apparatus that main machine system equipment is used for storing data.
Processor 11 is, for example, central processing unit (the Central Processing with single core or multi-core
Unit, CPU) or other programmables general service or specific use microprocessor (Microprocessor), number
Signal processor (Digital Signal Processor, DSP), programmable controller, special application integrated circuit
The combination of (Application Specific Integrated Circuit, ASIC) or other similar components or said elements.
In the present embodiment, processor 11 is handling all operations of the electronic device 11 of the present embodiment.For example, processor 11 can be transported
One operating system of row (for example, Windows operating system) handles the operation of electronic device 10.In addition, the coupling storage of processor 11
Cryopreservation device 12 is come with providing control instruction needed for the data of accessing storing device 12 or the operation of setting control storage device 12
Parameter.
Storage device 12 includes controller 121.Controller 121 is, for example, embedded controller (Embedded
Controller, EC) or control chip (Control chip).Storage device 12 (can not be painted) by connecting interface at coupling
Manage device 11.In the present embodiment, storage device 12 is that have serial advanced attachment technique (Serial Advanced
Technology Attachment, SATA) connecting interface solid state disk (Solid-State Disk, SSD).In this implementation
In example, controller 121 is controlling overall operation of storage device 12, such as data access, power management etc..
It is noted that in the present embodiment, storage device 12 supports advanced power management (Advanced Power
Management, APM) and device startup power supply management (Device Initiated Power Management, DIPM).Storage
The advanced power management of cryopreservation device 12 corresponds to multiple preset management parameters, and each management parameters corresponds to a time ginseng
Number.By taking Serial Advanced Technology Attachment solid state disk as an example, the management parameters of the advanced power management of solid state disk can be according to serial
Advanced Technology Attachment standard is preset as the numerical value between 0~255 or section.Processor 11 can be based on advanced power management
Management parameters provide a control parameter, and the controller 121 of storage device 12 can determine whether the control parameter that processor 11 provides
The management parameters met, and obtain the idle overtime time that corresponding time parameter carrys out setting device startup power supply management
(idle timeout)。
In one embodiment, processor 11 can set the multiple of electronic device 10 based on the management parameters of advanced power management
Efficiency mode, and each efficiency mode corresponds to a management parameters.Based on different management parameters, different efficiency modes
Different time parameters can be corresponded to.Processor 11 can set one or more efficiency modes according to system operation demand, and the present invention is simultaneously
The number of efficiency mode is not limited.For example, processor 11 can set lower first efficiency mode of a performance requirements and one
A higher second efficiency mode of performance requirements.Assuming that the preset management parameters of advanced power management include that a correspondence is smaller
Second management parameters of the first management parameters of time parameter and a larger time parameter of correspondence.Processor 11 can set
One efficiency mode corresponds to the first management parameters, and the second efficiency mode corresponds to the second management parameters.For example, as shown in Table 1,
Assuming that the management parameters of advanced power management include numerical value " 0 ", section " 1~127 " and section " 128~255 ", wherein management ginseng
The corresponding time parameter of number " 0 " is 60 milliseconds~100 milliseconds, and the corresponding time parameter of management parameters " 1~127 " is 300 milliseconds,
And the corresponding time parameter of management parameters " 128~255 " is 500 milliseconds.Processor 11 can be based on advanced power management 3
3 different efficiency modes such as management parameters setting power saving, balance, high-effect.However, in fact, in response to different demands, into
Rank power management may be set to correspond to fewer or more management parameters, and therefore processor 11 can set more or less numbers
Efficiency mode.
| Efficiency mode | Management parameters | Time parameter (unit:Millisecond) |
| Power saving | 0 | 60~100 |
| Balance | 1~127 | 300 |
| It is high-effect | 128~255 | 500 |
Table one
It will illustrate method for managing power supply of the invention by taking the process step of Fig. 2 as an example below.Fig. 2 is according to the present invention one
The flow chart of method for managing power supply depicted in embodiment.
Fig. 2 is please referred to, in step s 201, processor 11 can detect the use state of electronic device 10.
In one embodiment, the use state of electronic device 10 may include the various run case of electronic device 10
(event), for example, AC/DC power supplys whether connect, restart (restart), standby (standby) or suspend mode
(Hibernate) events such as.In another embodiment, the use state of electronic device 10 may also include the device of storage device 12
The information such as information, such as the temperature of storage device 12, read-write number.Device information can be carried by the controller 121 of storage device 12
Supply processor 12.It is noted that above-mentioned run case is only for example with device information, the present invention is not intended to limit using shape
The type of state.
In step S203, processor 11 determines the control of the advanced power management of corresponding storage device 12 according to use state
Parameter processed.
Specifically, processor 11 can determine a control based on use state and the management parameters of advanced power management
Parameter.For example, it is assumed that processor 11 detects the event that AC/DC power supplys have connected, thus judge province's electricity demanding not immediately.
Therefore, processor 11 can generate a control parameter with by the dress of storage device 12 based on the management parameters of advanced power management
The idle overtime time for setting startup power supply management is set as a longer time, enters sleep to reduce storage device 12
(slumber) frequency of state.In addition, it is assumed that the device information that processor 11 detects storage device 12 is the condition of high temperature, because
And judge to reduce run time to reduce the temperature of storage device 12.Therefore, processor 11 can be based on advanced power management
Management parameters generate another control parameter to set the idle overtime time of the device startup power supply management of storage device 12
It is set to a shorter time, makes storage device 12 that can frequently enter sleep state.
In one embodiment, processor 11 can be based on the multiple of the management parameters preset electronic device 10 of advanced power management
Efficiency mode (as shown in Table 1).Processor 11 can choose one according to the use state detected from multiple efficiency modes
It is applicable in efficiency mode, and the management parameters of efficiency mode are applicable in determine control parameter based on correspondence.By taking table one as an example, work as place
Reason device 11 detects the event that AC/DC power supplys have connected, and processor 11 can choose high-effect pattern from the efficiency mode of setting
As current applicable efficiency mode.In turn, processor 11 can the management parameters " 128~255 " based on the high-effect pattern of correspondence
To generate control parameter.In one embodiment, processor 11 can randomly generate a numerical value of N as control parameter, and wherein N is
Positive integer more than or equal to 128 and less than or equal to 255.In another embodiment, numerical value of N can be also set as one by processor 11
Control parameter of the fixed numbers as corresponding high-effect pattern.In addition, when processor 11 detects the device letter of storage device 12
Breath is the condition of high temperature, and processor 11 can choose battery saving mode as current applicable efficiency mode from the efficiency mode of setting.
In turn, processor 11 can be generated numerical value " 0 " based on the management parameters " 0 " for corresponding to battery saving mode and be used as control parameter.
After determining control parameter, control parameter can be supplied to storage device 12 by processor 11.In step S205
In, the controller 121 of storage device 12 can be opened according to the control parameter that processor 11 provides come the device of setting memory devices 10
The idle overtime time of dynamic power management.
In one embodiment, controller 121 can judge control parameter from the preset management parameters of advanced power management
The management parameters (being also referred to as applicable in management parameters) met, and obtain and be applicable in the corresponding time parameter of management parameters (also referred to as
For applicable time parameter) come setting memory devices 10 device startup power supply management the idle overtime time.For example, it is assumed that processing
The control parameter that device 11 generates is numerical value " 200 ".The controller 121 of storage device 10 can judge numerical value " 200 " be meet into
The management parameters " 128~255 " of rank power management, thus obtain the time parameter " 500 " of corresponding management parameters " 128~255 ".
In turn, the idle overtime time that controller 121 can manage device startup power supply is set as 500 milliseconds.In addition, working as processor 11
The control parameter of generation is numerical value " 0 ", and controller 121 can judge that numerical value " 0 " is the management parameters for meeting advanced power management
" 0 ", thus obtain the time parameter " 60~100 " of corresponding management parameters " 128~255 ".In turn, controller 121 can be by device
The idle overtime time of startup power supply management is set as 60~100 milliseconds.
In another embodiment, controller 121 can also further judge idle the exceeding of current device startup power supply management
When whether time and applicable time parameter identical decides whether setting for the idle overtime time of executive device startup power supply management
Fixed operation.If the idle overtime time differs with applicable time parameter, controller 121 can execute setting operation and would sit idle for overtime
Time is set as applicable time parameter.For example, it is assumed that the idle overtime time of device startup power supply management at present is set as 300 millis
Second, and processor 11 detects event that AC/DC power supplys have connected and generates control parameter " 200 ".Controller 121 is according to control
Management parameters " 128~255 " that parameter " 200 " processed is met and to obtain corresponding time parameter be 500 milliseconds.Then, it controls
Device 121 judges that 300 milliseconds of current idle overtime time differs with 500 milliseconds acquired of time parameter, thus executes
Setting operation and would sit idle for the overtime time and be set as 500 milliseconds.Thereafter, when processor 11 detects new use state and again
When generating control parameter " 200 ", controller 121 can judge 500 milliseconds of current idle overtime time and corresponding control parameter
500 milliseconds of the time parameter of " 200 " is identical, is not necessary to change the idle overtime time because without executing setting operation.However, at other
In embodiment, controller 121 also can directly would sit idle for the setting of overtime time when receiving the control parameter of the offer of processor 11
For the time parameter acquired in control parameter, without in addition judging whether are idle overtime time and acquired time parameter
It is identical.
In conclusion the present invention detects the use state of electronic device to set corresponding storage by the processor of electronic device
The control parameter of the advanced power management of cryopreservation device, and then when the idle overtime of the device startup power supply management of control storage device
Between setting.Accordingly, the idle overtime time of device startup power supply management can be dynamically adjusted in response to different use states.
In addition, the present invention can also determine control parameter according to different efficiency modes, make storage device in different performance requirements feelings
Under condition, the frequency into sleep pattern can be controlled according to the different idle overtime time, to avoid overall efficiency is influenced.So
One, the defect of traditionally electric power management mechanism can be improved, and the electric power management mechanism of storage device can be used for greater flexibility.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, thus it is of the invention
Protection domain when being subject to those as defined in claim.
Claims (10)
1. a kind of method for managing power supply, is suitable for the electronic device with a storage device, which supports that one is advanced
Power management and a device startup power supply management, this method include：
Detect a use state of the electronic device；
A control parameter of the advanced power management of the corresponding storage device is determined according to the use state；And
The idle overtime time of the device startup power supply management of the storage device is set according to the control parameter,
Wherein the storage device is a Serial Advanced Technology Attachment solid state disk.
2. method for managing power supply as described in claim 1, which is characterized in that the advanced power management corresponds to multiple management parameters
And each management parameters corresponds to a time parameter, the method for managing power supply further includes：
The multiple management parameters based on the advanced power management set multiple efficiency modes,
Wherein determine that the step of corresponding to the control parameter of the advanced power management includes according to the use state：
An applicable efficiency mode is chosen from the multiple efficiency mode according to the use state；And
The control parameter is generated based on the corresponding management parameters for being applicable in efficiency mode.
3. method for managing power supply as claimed in claim 2, which is characterized in that the multiple efficiency mode includes at least one first
Efficiency mode and one second efficiency mode, wherein the setting of the multiple management parameters based on the advanced power management is the multiple
The step of efficiency mode includes：
It sets one first efficiency mode and corresponds to one first management parameters；And
It sets one second efficiency mode and corresponds to one second management parameters,
The first time parameter for wherein corresponding to first management parameters is less than one second time of corresponding second management parameters
Parameter.
4. method for managing power supply as claimed in claim 2, which is characterized in that set the storage device according to the control parameter
The step of idle overtime time of the device startup power supply management includes：
Judge that the control parameter is met one is applicable in pipe from the corresponding the multiple management parameters of the advanced power management
Manage parameter；
It obtains and corresponds to the applicable time parameter for being applicable in management parameters；And
The overtime time of leaving unused is set as the applicable time parameter.
5. method for managing power supply as claimed in claim 4, which is characterized in that the overtime time of leaving unused is set as the where applicable
Between parameter the step of include：
Judge whether the idle overtime time and the applicable time parameter are identical；And
If the idle overtime time differs with the applicable time parameter, which is set as applicable time ginseng
Number.
6. a kind of electronic device, including：
One processor；And
One storage device, including a controller, and the processor is coupled, wherein the storage device supports an advanced power management
With a device startup power supply management,
It is characterized in that, the processor is to detect a use state of the electronic device, and determined according to the use state
One control parameter of the advanced power management of the corresponding storage device,
Wherein the controller leaves unused to set the one of the device startup power supply management of the storage device according to the control parameter
The overtime time,
Wherein the storage device is a Serial Advanced Technology Attachment solid state disk.
7. electronic device as claimed in claim 6, which is characterized in that the advanced power management corresponds to multiple management parameters and every
One management parameters corresponds to a time parameter, and the wherein processor is joined to the multiple management based on the advanced power management
Number sets multiple efficiency modes, and an applicable efficiency mode is chosen from the multiple efficiency mode according to the use state, and
The control parameter is generated based on the corresponding management parameters for being applicable in efficiency mode.
8. electronic device as claimed in claim 7, which is characterized in that the multiple efficiency mode includes at least one first efficiency
Pattern and one second efficiency mode, the wherein processor correspond to one first management parameters to set one first efficiency mode, and
And one second efficiency mode of setting corresponds to one second management parameters, wherein corresponding to a first time parameter of first management parameters
Less than one second time parameter of corresponding second management parameters.
9. electronic device as claimed in claim 7, which is characterized in that the controller is to corresponding from the advanced power management
The control parameter is met one applicable management parameters are judged in the multiple management parameters, and are obtained corresponding this and be applicable in management
One applicable time parameter of parameter, and the overtime time of leaving unused is set as the applicable time parameter.
10. electronic device as claimed in claim 9, which is characterized in that the controller to judge the idle overtime time with
Whether the applicable time parameter identical, and if the idle overtime time differed with the applicable time parameter, this is left unused and is exceeded
When the time be set as the applicable time parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710073270.9A CN108415547A (en) | 2017-02-10 | 2017-02-10 | Electronic device and its method for managing power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073270.9A CN108415547A (en) | 2017-02-10 | 2017-02-10 | Electronic device and its method for managing power supply |
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| CN201710073270.9A Withdrawn CN108415547A (en) | 2017-02-10 | 2017-02-10 | Electronic device and its method for managing power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111200171A (en) * | 2018-10-30 | 2020-05-26 | 纬创资通股份有限公司 | System efficiency control device and method |
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| TW594466B (en) * | 2002-06-10 | 2004-06-21 | Micro Star Int Co Ltd | Power management method for microprocessor |
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