CN105373207B - A kind of idle method of wireless communication terminal - Google Patents
A kind of idle method of wireless communication terminal Download PDFInfo
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- CN105373207B CN105373207B CN201410415386.2A CN201410415386A CN105373207B CN 105373207 B CN105373207 B CN 105373207B CN 201410415386 A CN201410415386 A CN 201410415386A CN 105373207 B CN105373207 B CN 105373207B
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Abstract
The embodiment of the invention discloses a kind of idle methods of wireless communication terminal, include the following steps：S1. after wireless communication terminal enters dormant state, wireless communication terminal periodically enters a partial wake state, until wireless communication terminal is fully awakened into normal operating conditions；S2. under partial wake state, kernel nucleus module, crucial driving and critical processes is waken up and handle network service；S3. after network service has been handled, dormant state is returned if without wake events and repeats step S1 and S2, if there are wake events to enter normal operating conditions.By the present invention in that wireless communication terminal in a dormant state periodically enters the extremely low partial wake state of a power consumption to handle network service, if session initiation protocol (SIP) periodic registration is asked, to can realize that low-power consumption standby can guarantee the network service function normal operation of wireless communication terminal again.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of idle methods of wireless communication terminal.
Background technology
With the development of the development of the communication technology, especially network technology, the market demand of VOIP products is increasing.It is special
Not with the extensive use of WIFI so that WIFI terminal becomes essential electric appliance in family.
For wireless communication terminal, how power saving be those skilled in the art's research one of emphasis.On the one hand, right
In larger communication terminal, such as computer, power saving can the effectively save energy, reduction power cost；On the other hand, for it is small-sized can
Mobile communication terminal, such as mobile phone, power saving can effectively extend the usage time of battery, not only save electric energy, more avoidable frequency
The trouble of numerous charging, is remarkably improved user satisfaction.
Although existing wireless communication terminal all has low-power consumption standby function, under existing standby scheme,
Wireless telecommunications (such as WIFI, bluetooth) can not work normally, and enters standby mode together or just cannot achieve low work(
It consumes standby.
Invention content
Technical problem to be solved of the embodiment of the present invention is, can not ensure wirelessly for existing wireless communications terminal
The defect that low-power consumption standby is realized under the premise of communication normal work, provides a kind of low-power consumption standby side of wireless communication terminal
Method, and wireless telecommunications work normally when can ensure that standby.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of idle method of wireless communication terminal, packets
Include following steps：
S1. after wireless communication terminal enters dormant state, the wireless communication terminal periodically enters a part
Wake-up states, until the wireless communication terminal is fully awakened to terminate standby mode to enter normal operating conditions；
S2. under the partial wake state, kernel nucleus module, crucial driving and the critical processes of kernel is waken up and are located
Manage network service；
S3. after the network service has been handled, the dormant state and repeating said steps are returned if without wake events
S1 and S2 terminates the standby mode if having wake events and enters the normal operating conditions.
Wherein, kernel safeguards that a crucial driving list and a critical processes list, the arbitrary application process of system are logical
The crucial driving and described can be added respectively in the crucial driving list and the critical processes list by crossing specified interface
Critical processes.
Preferably, in the step S1, the wireless communication terminal is from the entrance dormant state to the entrance portion
The time interval of wake-up states is divided to be no more than 10s.
Preferably, in the step S2, a partial wake state duration is no more than 50ms；The portion
The ratio that wake-up states duration accounts for the dormant state duration is divided to be no more than 2%.
Preferably, in the step S2, the switching cycle of system default process is no more than 1ms.
Preferably, the step S2 further includes：Kernel updates system counter value to compensate CPU automatically according to real-time clock
Uncalculated system counter value when suspend mode.
Preferably, the step S2 further includes：Under partial wake state, the process for being arbitrarily allowed to execute passes through suspend mode
Lock or message mechanism wake up system completely hence into normal operating conditions.
Preferably, the step S2 further includes：After waking up the critical processes, the power managed module suspend mode of kernel, in advance
Terminate suspend mode after fixing time and judge whether the network service has been handled, if so, going to step S3；Otherwise pre- described in secondary dormancy
It fixes time.
Preferably, the step S2 further includes：Under the partial wake state, timing actively to Web broadcast from
The IP address and physical address map of body.
Preferably, in the said standby state, crucial peripheral hardware is in battery saving mode, the key peripheral hardware include WIFI,
Bluetooth and button；It is described by when key pressing trigger hardware interrupts to wake up CPU.
Implement the embodiment of the present invention, has the advantages that：By the present invention in that wireless communication in a dormant state
Enter to terminal periodic the extremely low partial wake state of a power consumption to handle network service, such as session initiation protocol (SIP)
Periodic registration is asked, to can realize that low-power consumption standby can guarantee that the network service function of wireless communication terminal is normally transported again
Row.Meanwhile since partial wake state only wakes up kernel nucleus module and crucial driving and process, therefore can realize suspend mode and portion
Divide being switched fast between waking up.
In addition, when each partial wake, kernel nucleus module can update system counter value automatically according to real-time clock, from
And can guarantee system time it is synchronouss with kernel time, realize in the standby state, using also can using suspend mode periodically.
Moreover, under partial wake state, timing is actively reflected to the IP address and physical address of Web broadcast itself
It penetrates, ensures that wireless communication terminal, which will not be broadcasted, frequently to wake up, guarantees a network connections simultaneously in the dormant state.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the idle method flow chart of first embodiment wireless communication terminal provided by the invention；
Fig. 2 is the power managed mode state figure of second embodiment wireless communication terminal provided by the invention；
Fig. 3 is the partial wake status figure of 3rd embodiment wireless communication terminal provided by the invention；
Fig. 4 is the power consumption schematic diagram of fourth embodiment wireless communication terminal provided by the invention；
Fig. 5 is the 5th embodiment power consumption management system block diagram provided by the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is referred to, Fig. 1 is the idle method flow chart of first embodiment wireless communication terminal provided by the invention.Such as
Shown in Fig. 1, the idle method of wireless communication terminal provided in this embodiment includes the following steps：
S1. after wireless communication terminal enters dormant state, wireless communication terminal periodically enters a partial wake
State, until wireless communication terminal is fully awakened to terminate standby mode to enter normal operating conditions；
In the prior art, wireless communication terminal enters after standby mode CPU always in a dormant state, until being waken up
Hence into normal operating conditions.But in the present invention, CPU is introduced into suspend mode shape after wireless communication terminal enters standby mode
State, suspend mode enter back into a partial wake state afterwards for a period of time, if without the complete wake on wireless communication terminal of external event,
Dormant state is then returned, dormant state and partial wake state are constantly repeated cyclically in standby mode, until complete
Wake-up then terminates standby mode and enters normal operating conditions；
In a preferred embodiment provided by the invention, wireless communication terminal is called out from into dormant state to entering part
The time interval for the state of waking up is no more than 10s, for example, 5s, and the wireless communication terminal so as to be guaranteed at dormant state compares frequency
Numerous ground entering part wake-up states, to ensure that network service can be handled normally, such as authentication registration and renewed treaty；
S2. under partial wake state, kernel nucleus module, crucial driving and the critical processes of kernel is waken up and handle net
Network business；
Preferably, kernel safeguards a crucial driving list and a critical processes list, the arbitrary application process of system
Crucial driving and critical processes can be added in key driving list and critical processes list by specified interface, both ensure necessity
Network service timely processing, and reduce the burden of CPU, while shortening CPU and needing the time waken up；
In a preferred embodiment, a partial wake state duration is no more than 50ms, partial wake state
The ratio that duration accounts for dormant state duration is no more than 2%, and then ensure that wireless communication terminal can normally be located
It is in a low power consumpting state while reason necessity network service；
Preferably, the switching cycle of system default process is no more than 1ms, to ensure under disconnected wake-up states, it is crucial into
Journey can be called, and improve system real time；
In a preferred embodiment, under partial wake state, timing is actively to the IP of Web broadcast itself
Location and physical address map frequently wake up to ensure that wireless communication terminal will not be broadcasted in the dormant state, ensure simultaneously
Network is unimpeded；
S3. after network service has been handled, dormant state is returned if without wake events and repeats step S1 and S2, if calling out
Awake event then terminates standby mode and enters normal operating conditions.
Preferably, when wireless communication terminal is in standby, crucial peripheral hardware is in battery saving mode, crucial peripheral hardware packet
Include WIFI, bluetooth and keyboard.Meanwhile system can trigger hardware terminal to wake up CPU processing in the case where having by key pressing
Related service ensures still not interfering with user experience under standby mode.
The present embodiment is protected simultaneously by making the wireless communication terminal under dormant state periodically enter partial wake state
Radio communication service normally processing and low-power consumption standby are demonstrate,proved.
Fig. 2 is referred to, Fig. 2 is the power managed mode state of second embodiment wireless communication terminal provided by the invention
Figure.As shown in Fig. 2, the power managed pattern of wireless communication terminal provided in this embodiment includes 6 states：Normal operating conditions
A, suspend mode prepares state B, wakes up processing state C, CPU dormant state D and partial wake state E.
Preferably, the present embodiment power managed pattern is based on Android (Android) system, and operation principle is as follows：Wirelessly
Communication terminal system is first in normal operating conditions A when starting, and after the completion of basic task processing, system is prepared to enter into standby
State, initially enters suspend mode and prepares state B, and entering CPU dormant states D for system prepares, and preparation includes freezing to own
Process and all drivings of closing etc..Suspend mode prepares to enter CPU dormant states D after state B.It should be understood that because the present invention carries
The standby scheme needs supplied periodically enter a partial wake state after suspend mode, therefore before entering CPU dormant states,
It has just set real-time clock (RTC) and has been used as alarm clock.At CPU dormant states D, CPU can be called out by RTC or external interrupt
It wakes up, partial wake state E is entered after wake-up, the partial wake state E times are shorter, preferably more than 50ms.In partial wake shape
Under state E, crucial application can work normally, such as SIP client, and normal data interaction, while kernel can be carried out with server
Power managed module can regular check system mode (such as 10ms is primary), and can terminate to wait in following 4 kinds of systems
Machine state, which enters, wakes up processing state C：1, power interruptions occur, and 2, key-press input, 3, that dedicated wake up sign is set to 1 is (crucial
The mark can be set when using the action for finding in need and user interaction), 4, system suspend mode lock time-out is (in processing system
Unknown modules, when there is task to rely on other non-wakeup process or the driving being not switched in system, this thing happens for meeting)；It is no
CPU dormant state D are then returned, standby mode, CPU is kept to continue suspend mode.When being not over standby mode, state D and state E
It is repeated cyclically.Into after waking up processing state C, the task of system processing includes opening all drivings and all processes of thawing
Deng.System enters normal operating conditions A after waking up processing state C, so far completes a power managed cycle, then presses again
Start next cycle according to above-mentioned pattern.
Preferably, when wireless communication terminal is in CPU dormant state D, other than RTC can wake up CPU, external interrupt
CPU can equally be waken up.External interrupt includes at least WIFI data, blue-teeth data and user and triggers button, to ensure standby
Still user experience is not interfered under pattern.
Relative to the existing power managed pattern based on android system, invention increases partial wake state E,
Under partial wake state E, system has the complete basic functions of core systems such as process scheduling, task processing, can timely processing
The radio communication service of system ensures in the standby state, wireless communication function normal operation.
Fig. 3 is referred to, Fig. 3 is the partial wake status of 3rd embodiment wireless communication terminal provided by the invention
Figure.As shown in figure 3, system from CPU dormant state A entering part wake-up states when, first wake up kernel nucleus module (B), so
Crucial driving (C) is waken up according to key driving list afterwards, critical processes (D) are waken up further according to critical processes list, complete B, C and
After tri- steps of D, system core business has been able to normal operation, enters step E suspend mode and task processing, i.e. power managed mould at this time
Block carries out suspend mode and simultaneity factor other modules progress task processing, power managed module can be every pre- timings while suspend mode
Between revive primary to check whether task has been handled, F freeze key processes are entered step if having handled, if untreated complete
Then the module suspend mode of resumes step E power manageds makes not complete task continuation be handled.In a preferred embodiment of the invention, work(
Check whether a subtask has been handled after the every suspend mode 10ms of consumption management module.If task has been handled, partial wake shape is exited
State enters step F freeze key processes, is then shut off crucial driving (G), and then power managed module will check that waking up mark is
It is no to be set to 1 to judge whether system needs normal wakeup, it indicates to need normal wakeup if waking up and being identified as 1, it is just complete
The full CPU that wakes up enters normal operating conditions I；It indicates not needing normal wakeup, kernel core mould if waking up and being identified as 0
CPU dormant states A is then returned in block suspend mode (H).
In another preferred embodiment provided by the invention, under partial wake state, when system is in step E,
The arbitrary process for being allowed to execute can be waken up system completely hence into normal operating conditions by suspend mode lock or message mechanism,
The arbitrary process for being allowed to execute includes critical processes and non-critical processes.
Preferably, the present embodiment is when waking up kernel nucleus module, in order to ensure kernel suspend mode delay basic function
(sckedule_time) normal hibernation timing, present invention improves over the computational methods of LINUX system counter (jiffies) value.
RTC time t1 is recorded in each CPU suspend mode, RTC time t2 is read after wake-up, then jiffies+=(t2-t1) * Hz.Pass through
Such mode automatic update system Counter Value ensures that system time is synchronous with kernel time, realizes under standby mode, applies
Also suspend mode timing can be utilized.Certainly, because the least unit of RTC time is 1s, cause to handle the mistake having within 1s in this way
Difference, but network application business is not influenced substantially.
Fig. 4 is referred to, Fig. 4 is the power consumption schematic diagram of fourth embodiment wireless communication terminal provided by the invention.Such as Fig. 4 institutes
Show, power consumption is W2 under normal condition, and power consumption is W1 under CPU dormant states, wherein W2 higher and W1 is extremely low.Under standby mode, often
Dormancy time is T1 in a period, and wakeup time T2, average power consumption W0=(W1*T1+W2*T2)/(T1+T2) work as T1>>T2
When, power consumption is close to W1, that is to say, that is in an extremely low power consumption state.But practical application T1 can not possibly occur much larger than T2's
Situation, in this preferred embodiment provided by the invention, W1=40mw, W2=1200mw, T1=5000ms, T2=
50ms can calculate W0=51.48mw, it is seen that average power consumption still maintains low-down state.Therefore the present invention can be same
Shi Shixian low-power consumption standbies and guarantee wireless communication function are normal.
Fig. 5 is referred to, Fig. 5 is the 5th embodiment power consumption management system block diagram provided by the invention.As shown in figure 5, this
The corresponding application process of all Mission critical applications and kernel thread in invention can will need under partial wake pattern
The process of operation and driving are respectively added in critical processes list and crucial driving list, while application process and kernel thread
It can be locked by suspend mode or distinctive global flag (exiting partial wake Status Flag), by system from partial wake shape
State is restored to normal operating conditions.
Under normal circumstances, a process if it is considered to oneself need run under partial wake state, finger can be passed through
Oneself process name and other processes relied on and kernel-driven module are added in process driving list by stationary interface, partial wake
Under pattern, power managed module provided by the invention can wake up associated process automatically according to list and open associated drives.
When each module has task to rely on certain processes that do not thaw without handling in kernel, which will make
Forbid system suspend mode, power managed module that will be restored the system to normal after confirming suspend mode lock time-out with system suspend mode lock
Working condition.
If application process receives the key signals such as calling simultaneously, because the processing of signal here needs major part in system
Equipment support, or need with user interact when, using peculiar global flag will be arranged by kernel interface, by system
It is restored to normal condition from partial wake state.
Foregoing description is related to various modules.The combination that these modules generally include hardware and/or hardware and software is (such as solid
Change software).These modules can also include the computer-readable medium comprising instruction (for example, software instruction) (for example, permanent
Medium), when processor executes these instructions, so that it may to execute the various functions feature of the present invention.Correspondingly, it removes non-clearly
It is required that mould specific hardware in the block and/or software feature that the scope of the present invention does not specifically mention in by embodiment are limited.Make
For non-limitative example, the present invention in embodiment can be by one or more processors (such as microprocessor, digital signal
Reason device, baseband processor, microcontroller) execution software instruction (such as it is stored in volatile memory and/or permanent storage
Device).In addition, the present invention can also use application-specific integrated circuit (ASIC) and/or other hardware elements to execute.It should be pointed out that
It is for clarity above in the description of various modules, being divided into these modules.However, in actual implementation, various moulds
The boundary of block can be fuzzy.For example, arbitrary or all functionalities module herein can share various hardware and/or soft
Part element.In another example any and/or all functional modules herein can be executed software instruction complete by shared processor
Portion or part are implemented.In addition, the various software submodules executed by one or more processors can be between various software modules
It is shared.Correspondingly, unless explicitly requested, the scope of the present invention not mandatory boundary between by various hardware and/or software element
Limitation.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is weighed according to the present invention
Equivalent variations made by profit requirement, still belong to the scope covered by the invention.
Claims (7)
1. a kind of idle method of wireless communication terminal, which is characterized in that include the following steps：
S1. after wireless communication terminal enters dormant state, the wireless communication terminal periodically enters a partial wake
State, until the wireless communication terminal is fully awakened to terminate standby mode to enter normal operating conditions, wherein described
Wireless communication terminal is no more than 10s from the dormant state is entered to the time interval for entering the partial wake state；
S2. under the partial wake state, kernel nucleus module, crucial driving and the critical processes of kernel is waken up and handle net
Network business, wherein a partial wake state duration is no more than 50ms；The partial wake state it is lasting when
Between account for the dormant state duration ratio be no more than 2%；
S3. after the network service has been handled, returned if without wake events the dormant state and repeating said steps S1 and
S2 terminates the standby mode if having wake events and enters the normal operating conditions；
Wherein, kernel safeguards that a crucial driving list and a critical processes list, the arbitrary application process of system pass through finger
Stationary interface can add the crucial driving and the key respectively in the crucial driving list and the critical processes list
Process.
2. the idle method of wireless communication terminal according to claim 1, which is characterized in that in the step S2, system
The switching cycle of default process is no more than 1ms.
3. the idle method of wireless communication terminal according to claim 1, which is characterized in that the step S2 further includes：It is interior
Core uncalculated system counter value when updating system counter value automatically according to real-time clock to compensate CPU suspend mode.
4. the idle method of wireless communication terminal according to claim 1, which is characterized in that the step S2 further includes：
Under partial wake state, be arbitrarily allowed to execute process system is waken up completely by suspend mode lock or message mechanism hence into
Normal operating conditions.
5. the idle method of wireless communication terminal according to claim 1, which is characterized in that the step S2 further includes：It calls out
After the critical processes of waking up, the power managed module suspend mode of kernel terminates suspend mode and judges the network service after the predetermined time
Whether handle, if so, going to step S3；Otherwise the predetermined time described in secondary dormancy.
6. the idle method of wireless communication terminal according to claim 1, which is characterized in that the step S2 further includes：
Under the partial wake state, timing is actively to the IP address and physical address map of Web broadcast itself.
7. the idle method of wireless communication terminal according to claim 1, which is characterized in that in the said standby state, close
Key peripheral hardware is in battery saving mode, and the key peripheral hardware includes WIFI, bluetooth and button；It is described to be triggered in hardware by when key pressing
Break to wake up CPU.
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| CN106293728B (en) * | 2016-08-04 | 2019-12-13 | 成都三零瑞通移动通信有限公司 | power management method of multi-task TF (TransFlash) cryptographic module |
| CN106900038A (en) * | 2017-02-21 | 2017-06-27 | 苏州福瑞思信息科技有限公司 | Communication chip idle method, device, communication chip and electronic equipment |
| CN109474975B (en) * | 2017-09-08 | 2022-04-12 | 西安中兴新软件有限责任公司 | Networking method and terminal, and Internet of things platform |
| CN109976501A (en) * | 2017-12-28 | 2019-07-05 | 中移物联网有限公司 | A kind of Low-power-consumptiocontrol control method, device, system and storage medium |
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| CN109582268A (en) * | 2018-12-11 | 2019-04-05 | 浪潮(北京)电子信息产业有限公司 | A kind of display panel control method, device and system |
| CN110337139B (en) * | 2019-07-18 | 2022-03-08 | 河南兵峰电子科技有限公司 | Low-power-consumption control method based on wireless sensor and wireless sensor |
| TWI777436B (en) * | 2021-03-05 | 2022-09-11 | 致伸科技股份有限公司 | Power saving method for a peripheral device |
| CN115016627B (en) * | 2021-03-05 | 2024-03-01 | 致伸科技股份有限公司 | Power saving method for peripheral device |
| CN113721751B (en) * | 2021-08-11 | 2024-08-20 | 威胜信息技术股份有限公司 | Low-power consumption management method and system based on event and dormancy timer |
| CN114510204B (en) * | 2021-12-29 | 2023-09-01 | 宁波三星智能电气有限公司 | Indoor display unit data synchronization method |
| CN114584707B (en) * | 2022-03-01 | 2023-07-07 | 杭州海康威视数字技术股份有限公司 | Control method for power consumption of wireless communication component in camera |
| CN117008980B (en) * | 2022-04-29 | 2024-08-27 | 华为技术有限公司 | System dormancy method and device, and system wakeup method and device |
| CN114980287B (en) * | 2022-05-23 | 2023-12-22 | 辽宁邮电规划设计院有限公司 | Intelligent energy-saving method and device for multi-band wireless network equipment |
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