CN103123463B - A kind of method and device of control system state - Google Patents
A kind of method and device of control system state Download PDFInfo
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- CN103123463B CN103123463B CN201110372335.2A CN201110372335A CN103123463B CN 103123463 B CN103123463 B CN 103123463B CN 201110372335 A CN201110372335 A CN 201110372335A CN 103123463 B CN103123463 B CN 103123463B
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- 230000004044 response Effects 0.000 claims description 4
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- 238000004590 computer program Methods 0.000 description 6
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Abstract
A kind of method that the invention discloses control system state, is used for saving the energy.Described method is to obtain described first subsystem to discharge the release information of described lock event；In the case of described first subsystem is connected by described first passage with described second subsystem, according to described release information, control described second processor and be in the second state, wherein, the power consumption of the second subsystem described in when the power consumption of the second subsystem described in when described second processor is in described second state is in described first state less than described second processor.The invention also discloses the device for realizing described method.
Description
Technical field
The present invention relates to computer and built-in field, particularly to method and the dress of a kind of control system dormancy
Put.
Background technology
In hybrid (mixing) system, Arm (a kind of embedded system) system is by a PCIE
The interface of (a kind of bus and interface standard) is connected to PC (personal computer) system, wherein has USB
The transmission of (USB (universal serial bus)) signal.
Arm system connects as OTG (On-The-Go, a kind of switch) pattern of USB
To PC system.When USB driver (driving) works, it can trigger a wake-lock (lock of waking up)
Event stops Arm system to enter sleep state.
Present inventor, during realizing the embodiment of the present application technical scheme, at least finds prior art
The following technical problem of middle existence:
In the prior art, no matter PC is in mode of operation or idle pulley, and Arm system all cannot be introduced into
Park mode, such system is difficult to reach the purpose of power saving.
Summary of the invention
The embodiment of the present invention provides the method and device of a kind of control system state, is used for saving the energy.
A kind of method of control system state, is applied to include the first subsystem and the electronics of the second subsystem
In equipment, wherein, described first subsystem includes the first hardware system and the first software system, described second
Subsystem includes that the second hardware system and the second software system, described first hardware system have first processor
And first communication interface, described second hardware system has the second processor and the second communication interface, institute
State the first communication interface be connected with described second communication interface formation first passage, described first software system with
Described second software system realizes being carried out data transmission by described first passage based on the first communication protocol, when
When described first subsystem is connected by described first passage with described second subsystem, described first subsystem
Producing a lock event, lock event described in described second subsystem responses makes described second processor maintain
First state；
Described method includes:
Obtain described first subsystem and discharge the release information of described lock event, wherein, described release information
It is specially when described first subsystem enters S3 state or during S4 state from S0 state, controls and described the
First communication module corresponding to one communication interface enters described 4th state from the described third state, and controls
The second communication module corresponding with described second communication interface enters described 6th state from described 5th state,
To discharge described lock event；
In the case of described first subsystem is connected by described first passage with described second subsystem, according to
Described release information, controls described second processor and is in the second state, wherein, at described second processor
The power consumption of the second subsystem described in when described second state is in described first less than described second processor
The power consumption of the second subsystem described in during state.
A kind of electric terminal, including:
First subsystem, including the first hardware system and the first software system, described first hardware system has
First processor and the first communication interface；
Second subsystem, including the second hardware system and the second software system, described second hardware system has
Second processor and the second communication interface；Described first communication interface is connected shape with described second communication interface
First passage, described first software system is become to realize logical based on the first communication protocol with described second software system
Cross described first passage to carry out data transmission；
Wherein, when described first subsystem is connected by described first passage with described second subsystem, base
In the lock event that described first subsystem produces, described second subsystem is used for responding described lock event to be made
Described second processor maintains the first state；Described second subsystem is additionally operable to:
Obtain described first subsystem and discharge the release information of described lock event, wherein, described release information
It is specially when described first subsystem enters S3 state or during S4 state from S0 state, controls and described the
First communication module corresponding to one communication interface enters described 4th state from the described third state, and controls
The second communication module corresponding with described second communication interface enters described 6th state from described 5th state,
To discharge described lock event；And lead to by described first with described second subsystem at described first subsystem
In the case of road connection, according to described release information, control described second processor and be in the second state, wherein,
Described in when described second processor is in described second state, the power consumption of the second subsystem is less than at described second
The power consumption of the second subsystem described in when reason device is in described first state.
In the embodiment of the present invention, the method for control system state includes being applied to include the first subsystem and
In the electronic equipment of two subsystems, wherein, described first subsystem includes the first hardware system and the first software
System, described second subsystem includes the second hardware system and the second software system, described first hardware system
Having first processor and the first communication interface, described second hardware system has the second processor and
Two communication interfaces, described first communication interface is connected formation first passage with described second communication interface, described
First software system realizes by described first passage based on the first communication protocol with described second software system
Carry out data transmission, when described first subsystem is connected by described first passage with described second subsystem
Time, described first subsystem produces a lock event, and lock event described in described second subsystem responses makes institute
State the second processor and maintain the first state；It is characterized in that, described method includes: obtain described first son
System discharges the release information of described lock event；Pass through with described second subsystem at described first subsystem
In the case of the connection of described first passage, according to described release information, control described second processor and be in second
State, wherein, described in when described second processor is in described second state, the power consumption of the second subsystem is less than
The power consumption of the second subsystem described in when described second processor is in described first state.When obtaining release information
After, the second subsystem can be controlled and enter the second state, i.e. power down mode, to save the energy.
Accompanying drawing explanation
Fig. 1 is the primary structure figure of electric terminal in the embodiment of the present invention；
Fig. 2 is the detailed structure view of electric terminal in the embodiment of the present invention；
Fig. 3 is the main method flow chart of control system state in the embodiment of the present invention.
Detailed description of the invention
In the embodiment of the present invention, the method for control system state includes being applied to include the first subsystem and
In the electronic equipment of two subsystems, wherein, described first subsystem includes the first hardware system and the first software
System, described second subsystem includes the second hardware system and the second software system, described first hardware system
Having first processor and the first communication interface, described second hardware system has the second processor and
Two communication interfaces, described first communication interface is connected formation first passage with described second communication interface, described
First software system realizes by described first passage based on the first communication protocol with described second software system
Carry out data transmission, when described first subsystem is connected by described first passage with described second subsystem
Time, described first subsystem produces a lock event, and lock event described in described second subsystem responses makes institute
State the second processor and maintain the first state；It is characterized in that, described method includes: obtain described first son
System discharges the release information of described lock event；Pass through with described second subsystem at described first subsystem
In the case of the connection of described first passage, according to described release information, control described second processor and be in second
State, wherein, described in when described second processor is in described second state, the power consumption of the second subsystem is less than
The power consumption of the second subsystem described in when described second processor is in described first state.When obtaining release information
After, the second subsystem can be controlled and enter the second state, i.e. power down mode, to save the energy.
See Fig. 1, for the primary structure figure of electric terminal in the embodiment of the present invention, institute in the embodiment of the present invention
State electric terminal and include the first subsystem 101 and the second subsystem 102.
First subsystem 101 includes the first hardware system 1011 and the first software system 1012, described first
Hardware system 1011 has first processor 10111 and the first communication interface 10112.
Second subsystem 102 includes the second hardware system 1021 and the second software system 1022, described second
Hardware system 1021 has the second processor 10211 and the second communication interface 10212.
Described first communication interface 10112 is connected formation first passage with described second communication interface 10212
103, described first software system 1012 is real based on the first communication protocol with described second software system 1022
Now carried out data transmission by described first passage 103.Wherein, when described first subsystem 101 is with described
When second subsystem 102 is connected by described first passage 103, produce based on described first subsystem 101
Lock event, described second subsystem 102 is used for responding described lock event makes described second processor
10211 maintain the first state.Described first state can be power consumption state.In the embodiment of the present invention, institute
Stating the system that electric terminal has can be hybrid system, and described first subsystem 101 can be X86
System, described second subsystem 102 can be arm system.The most described first processor 10111 can be
CPU (central processing unit) in X86 system, described second processor 10211 can be in arm system
Primary processor.Described first communication interface 10112 and described second communication interface 10212 can be
USB (USB (universal serial bus)), described first passage 103 can be USB transmission line.Described lock event
Can be wake-lock (lock of waking up) information.Described first communication protocol can be the phase in hybrid system
Answer communication protocol.
Described first communication interface 10112 can also be to there being a first communication module, described second communication
Interface 1021210212 can also be to there being a second communication module, and described first communication module is with described
Second communication module can realize carrying out data by described first passage 103 based on described first communication protocol
Transmission.Described first communication module is to having the third state and the 4th state, and described second communication module is corresponding
Power consumption when having the 5th state and the 6th state, described first communication module to be in described four state is less than it
Being in power consumption during the described third state, the i.e. third state is power consumption state, and the 4th state is power down mode.
When power consumption when described second communication module is in described six state is in described five state less than it
Power consumption, the i.e. the 5th state is power consumption state, and the 6th state is power down mode.First subsystem 101 can also
To having S0 state, S3 state and S4 state, described S0 state can be duty, described S3
State can be idle power collapse (idle energy release) state, and described S4 state can be
Suspend (hang-up) state.I.e. S3 state and S4 state are power down mode, and the power saving the most of S4 state,
S0 state is power consumption state.
See Fig. 2, for the detailed structure view of electric terminal described in the embodiment of the present invention, described second subsystem
System 102 also includes acquisition module 1023 and control module 1024.
Acquisition module 1023 discharges the release letter of described lock event for obtaining described first subsystem 101
Breath.When described first subsystem 101 enters S3 state or S4 state from S0 state, described first leads to
Letter module is automatically into described 4th state, and described second communication module is automatically into described 6th state,
Acquisition module 1023 can obtain described release information.Wherein, the first subsystem 101 can be automatically to enter
Enter S3 state or S4 state, or can be controlled entrance S3 state or S4 state.Or, the first son
Can also include the 3rd software system in system 101, the 3rd software system can be to described first passage 103
Detect, determine and whether have data to transmit on described first passage 103, for example, it may be random detection,
Or detect in real time, or be periodically detected etc., do not have data to pass in detection determines described first passage 103
Time defeated, then the 3rd software system generates described release information, and acquisition module 1023 can obtain this release
Information.Such as, wake-lock event is first level signal, and the most described release information can be one
Individual second electrical level signal, in the embodiment of the present invention, described first level signal can be high level signal, the
Two level signals can be low level signal.
Control module 1024 is for passing through institute at described first subsystem 101 with described second subsystem 102
In the case of stating first passage 103 connection, according to described release information, control described second processor 10211
It is in the second state, wherein, the second son described in when described second processor 10211 is in described second state
Second subsystem described in when the power consumption of system 102 is in described first state less than described second processor 10211
The power consumption of system 102.After acquisition module 1023 obtains described release information, control module 1024 is according to institute
State release information described second processor 10211 of control and be in the second state, i.e. control described second processor
10211 enter battery saving mode.Described second state can be power down mode.
When described first subsystem 101 enters S3 or S4 state from S0 state, control module 1024 is controlled
Make described first communication module and enter described 4th state from the described third state, and control described second communication
Module enters described 6th state, to discharge described lock event from described 5th state.
Control module 1024 can have a first timer, when acquisition module 1023 obtains described release
After information, control module 1024 can control the second subsystem 102 and now enter SWFI (during system waits
Disconnected) state, control module 1024 opens first timer, and control module 1024 can be according to presetting
Time of first timer wait, i.e. determine whether interrupt event, if fixed at first timer
Time time then the second subsystem 102 do not receive interrupt event, the most do not need event information to be processed,
Then the second subsystem 102 can enter idle power collapse state, this idle power collapse shape
State can be described second state.Control module 1024 can also have a second timer, when second
When subsystem 102 enters idle power collapse state, control module 1024 can open described second calmly
Time device, if the most not receiving interrupt signal at second timer timing then the second subsystem 102,
Then the second subsystem 102 can enter suspend state, and wherein, suspend state power consumption is minimum, the most
Power saving.
The method introducing control system state below by way of specific embodiment.
Seeing Fig. 3, in the embodiment of the present invention, the main method flow process of control system state is as follows:
Step 301: obtain described first subsystem 101 and discharge the release information of described lock event.
Step 302: lead to by described first with described second subsystem 102 at described first subsystem 101
In the case of road 103 connection, according to described release information, control described second processor 10211 and be in second
State, wherein, the second subsystem 102 described in when described second processor 10211 is in described second state
Power consumption second subsystem 102 described in when being in described first state less than described second processor 10211
Power consumption.
In the embodiment of the present invention method of control system state include being applied to including the first subsystem 101 and
In the electronic equipment of the second subsystem 102, wherein, described first subsystem 101 includes the first hardware system
1011 and first software system 1012, described second subsystem 102 includes the second hardware system 1021 and
Two software systems 1022, described first hardware system 1011 has first processor 1011110111 and
One communication interface 10112, described second hardware system 1021 has the second processor 10211 and second and leads to
Letter interface 1021210212, described first communication interface 10112 and described second communication interface 1021210212
Connect and form first passage 103, described first software system 1012 and described second software system 1022 base
Realize being carried out data transmission by described first passage 103, when described first subsystem in the first communication protocol
101 when connecting by described first passage 103 with described second subsystem 102, described first subsystem 101
Producing a lock event, described second subsystem 102 responds described lock event and makes described second processor
10211 maintain the first state；It is characterized in that, described method includes: obtain described first subsystem 101
Discharge the release information of described lock event；At described first subsystem 101 and described second subsystem 102
In the case of being connected by described first passage 103, according to described release information, control described second processor
10211 are in the second state, wherein, described in when described second processor 10211 is in described second state
Described in when the power consumption of the second subsystem 102 is in described first state less than described second processor 10,211 the
The power consumption of two subsystems 102.After obtaining release information, the second subsystem 102 can be controlled and enter second
State, i.e. power down mode, to save the energy.Can be the first subsystem 101 automatically into power down mode,
Or can be that first passage 103 is detected by the first subsystem 101, when finding not have data to transmit
Generate release information, thus, even if the second son can also be made when the first subsystem 101 is in running order
System 102 enters power down mode, more saves the energy, more environmental protection, and can extend the second subsystem 102
Life-span.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot
The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more
Computer-usable storage medium containing computer usable program code (include but not limited to disk memory and
Optical memory etc.) form of the upper computer program implemented.
The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding
The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating
The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one
The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart
The function specified in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices
Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one
The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. the method for a control system state, it is characterised in that be applied to include the first subsystem and
In the electronic equipment of the second subsystem, wherein, described first subsystem includes the first hardware system and first soft
Part system, described second subsystem includes the second hardware system and the second software system, described first hardware system
System there is first processor and the first communication interface, described second hardware system have the second processor and
Second communication interface, described first communication interface is connected formation first passage, institute with described second communication interface
State the first software system to realize leading to by described first based on the first communication protocol with described second software system
Road carries out data transmission, when described first subsystem is connected by described first passage with described second subsystem
Time, described first subsystem produces a lock event, and lock event described in described second subsystem responses makes institute
State the second processor and maintain the first state；
Described method includes:
Obtain described first subsystem and discharge the release information of described lock event, wherein, described in described acquisition
First subsystem discharges the release information of described lock event, particularly as follows: when described first subsystem is from S0
When state enters S3 state or S4 state, control the first communication module corresponding with described first communication interface
Enter the 4th state from the third state, and control the second communication module corresponding with described second communication interface
Enter the 6th state from the 5th state, to discharge described lock event, and then obtain described release information；
In the case of described first subsystem is connected by described first passage with described second subsystem, according to
Described release information, controls described second processor and is in the second state, wherein, at described second processor
The power consumption of the second subsystem described in when described second state is in described first less than described second processor
The power consumption of the second subsystem described in during state.
2. the method for claim 1, it is characterised in that described first communication interface is to having
First communication module, described second communication interface to there being a second communication module, described first communication module
Realize carrying out data by described first passage based on described first communication protocol with described second communication module
Transmission, described first communication module is to having the third state and the 4th state, and described second communication module is corresponding
Power consumption when having the 5th state and the 6th state, described first communication module to be in described four state is less than locating
Power consumption when the described third state, power consumption when described second communication module is in described six state is less than
It is in power consumption during described five state.
3. the method for claim 1, it is characterised in that at described second processor of described control
In the second state, specifically include:
Determine whether interrupt event；
When there is no interrupt event, control described second processor and be in described second state.
4. method as claimed in claim 3, it is characterised in that described in determine whether interrupt event,
Specifically include: open first timer according to described release information, it is judged that in the timing of described first timer
In time range, whether described second subsystem receives described interrupt event.
5. an electric terminal, it is characterised in that including:
First subsystem, including the first hardware system and the first software system, described first hardware system has
First processor and the first communication interface；
Second subsystem, including the second hardware system and the second software system, described second hardware system has
Second processor and the second communication interface；Described first communication interface is connected shape with described second communication interface
First passage, described first software system is become to realize logical based on the first communication protocol with described second software system
Cross described first passage to carry out data transmission；
Wherein, when described first subsystem is connected by described first passage with described second subsystem, base
In the lock event that described first subsystem produces, described second subsystem is used for responding described lock event to be made
Described second processor maintains the first state；Described second subsystem is additionally operable to:
Obtain described first subsystem and discharge the release information of described lock event, wherein, described in described acquisition
First subsystem discharges the release information of described lock event, particularly as follows: when described first subsystem is from S0
When state enters S3 state or S4 state, control the first communication module corresponding with described first communication interface
Enter the 4th state from the third state, and control the second communication module corresponding with described second communication interface
Enter the 6th state from the 5th state, to discharge described lock event, and then obtain described release information；And
In the case of described first subsystem is connected by described first passage with described second subsystem, according to described
Release information, controls described second processor and is in the second state, and wherein, described second processor is in institute
The power consumption of the second subsystem described in when stating the second state is in described first state less than described second processor
The power consumption of Shi Suoshu the second subsystem.
6. electric terminal as claimed in claim 5, it is characterised in that also include:
Corresponding to the first communication module of described first communication interface, described first communication module is to having the 3rd
State and the 4th state, power consumption when described first communication module is in described four state is described less than being in
The power consumption during third state；
Corresponding to the second communication module of described second communication interface, described second communication module is to having the 5th
State and the 6th state, power consumption when described second communication module is in described six state is described less than being in
Power consumption during five states；
Wherein, described first communication module realizes based on described first communication protocol with described second communication module
Carried out data transmission by described first passage.
7. electric terminal as claimed in claim 5, it is characterised in that described second subsystem also includes:
Control module, is used for determining whether interrupt event, when not having interrupt event, controls described second
Processor is in described second state.
8. electric terminal as claimed in claim 7, it is characterised in that described control module is additionally operable to root
First timer is opened, it is judged that institute in the range of the timing time of described first timer according to described release information
State whether the second subsystem receives described interrupt event.
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| CN201110372335.2A CN103123463B (en) | 2011-11-21 | 2011-11-21 | A kind of method and device of control system state |
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| CN106933210B (en) * | 2017-03-03 | 2020-03-24 | 联想(北京)有限公司 | Equipment control method, device and system and multi-equipment working system |
| CN107547742B (en) * | 2017-08-30 | 2020-10-02 | 深圳辉烨物联科技有限公司 | Wake-up lock release method and device for mobile terminal |
| CN109600823B (en) * | 2018-12-27 | 2022-05-17 | 芯翼信息科技(上海)有限公司 | Power consumption control method and power consumption control system |
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| CN103123463A (en) | 2013-05-29 |
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