CN106900038A - Communication chip idle method, device, communication chip and electronic equipment - Google Patents
Communication chip idle method, device, communication chip and electronic equipment Download PDFInfo
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- CN106900038A CN106900038A CN201710093317.8A CN201710093317A CN106900038A CN 106900038 A CN106900038 A CN 106900038A CN 201710093317 A CN201710093317 A CN 201710093317A CN 106900038 A CN106900038 A CN 106900038A
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- Prior art keywords
- wireless local
- network communications
- area network
- local area
- communication chip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention provides a kind of communication chip idle method, device, communication chip and electronic equipment, the communication chip includes wireless local area network communications module, processor and memory, the memory includes not powering off storage region, the storage region that do not power off includes idle function code area, and be stored with the communication chip standby operation program in the standby state in the idle function code area.The communication chip does not power off the standby operation program preserved in storage region when standby described in operation so that the communication chip can close the other functions module of the communication chip in the state of wireless LAN communication connection is kept.In this way, effectively reducing communication chip power consumption in the standby state.
Description
Technical field
The present invention relates to electronic device energy consumption technical field, in particular to a kind of communication chip idle method, dress
Put, communication chip and electronic equipment.
Background technology
With Internet of Things and the rapid rising of Intelligent hardware, to electronic equipment work in every performance requirement more and more higher, its
In, power consumption and recovery of the electronic equipment when standby.
In the device standby method of prior art, or in order to keep communication connection, it is necessary to many in persistently maintaining communication chip
The power supply of individual functional module, causes stand-by power consumption big；Or most of functional module is closed, cause the system can not be by wireless local
Network Communication module receives signal and carries out system recovery, and restarting is needed when waking up, and time-consuming for wake-up, response speed
Slowly；Or a CPU core, most of memory and other functional modules are closed using double-core design, when standby to reduce power consumption, though
So communication is maintained, but increased cost.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of standby side of communication chip
Method, is applied to communication chip, and the communication chip includes wireless local area network communications module, processor and memory, the storage
Device includes not powering off storage region, and the storage region that do not power off includes idle function code area, the idle function generation
Be stored with the communication chip standby operation program in the standby state in code area；Wrapped in the wireless local area network communications module
Include a timing recovery circuit；Methods described includes：
Standby trigger signal is received, the standby operation program in the idle function code area is performed；
Maintain the wireless local area network communications module, processor and do not power off the power supply of storage region, keep wireless local
The other functions module of the communication chip is closed in the state of Network Communication connection；
The power supply of timing recovery circuit in the wireless local area network communications module is maintained, and closes the wireless local Netcom
Other circuits in letter module, make the wireless local area network communications module enter sleep state；
When the timing recovery circuit timing reaches a default recovery duration, recover the wireless local area network communications module
The power supply of each circuit, makes the wireless local area network communications module resume work state；
Whether judge in the information that the wireless local area network communications module is received comprising wake up trigger signal；
When the wake up trigger signal is included in described information, with treatment described information in the recovery communication chip
The power supply of related functional module is processed with to the information for receiving；
When the wake up trigger signal is not included in described information, the wireless local area network communications module is put again
It is sleep state, and the working condition of the calendar scheduling wireless local area network communications module to be restored again.
Another object of the present invention is to provide a kind of communication chip apparatus ' of standby, communication chip, the communication are applied to
Chip includes wireless local area network communications module, processor and memory, and the memory includes not powering off storage region, described
Not powering off storage region includes idle function code area, and the communication chip that is stored with the idle function code area is being treated
Standby operation program under machine state；The wireless local area network communications module includes a timing recovery circuit；Described device bag
Include：
Trigger element, for receiving standby trigger signal, performs the standby operation program in the idle function code area；
Power supply maintenance unit, for maintaining the wireless local area network communications module, processor and not powering off storage region
Power supply, keeps wireless LAN communication that the other functions module of the communication chip is closed in the state of connecting；
Sleep cell, for maintaining the power supply of timing recovery circuit in the wireless local area network communications module, and closes institute
Other circuits in wireless local area network communications module are stated, the wireless local area network communications module is entered sleep state；
Recovery unit, for when the timing recovery circuit timing reaches a default recovery duration, recovering described wireless
The power supply of each circuit of local area network communications module, makes the wireless local area network communications module resume work state；
Judging unit, for whether judging in the information that the wireless local area network communications module is received comprising wake-up trigger
Signal；
Wakeup unit, for when the wake up trigger signal is included in described information, in recovering the communication chip
The power supply of the functional module related to treatment described information is processed with to the information for receiving；
The sleep cell, is additionally operable to when the wake up trigger signal is not included in described information, again will be described
Wireless local area network communications module is set to sleep state, and the work of the calendar scheduling wireless local area network communications module to be restored again
State.
Another object of the present invention is to provide a kind of communication chip, the communication chip includes wireless LAN communication mould
Block, processor and memory, the memory include not powering off storage region, it is described do not power off storage region include it is standby
Function code area, be stored with the communication chip standby operation program in the standby state in the idle function code area；
The wireless local area network communications module includes a timing recovery circuit；The memory storage has the operation journey of the communication chip
Sequence, operation program described in the computing device realizes following functions：
Standby trigger signal is received, the standby operation program in the idle function code area is performed；
Maintain the wireless local area network communications module, processor and do not power off the power supply of storage region, keep wireless local
The other functions module of the communication chip is closed in the state of Network Communication connection；
The power supply of timing recovery circuit in the wireless local area network communications module is maintained, and closes the wireless local Netcom
Other circuits in letter module, make the wireless local area network communications module enter sleep state；
When the timing recovery circuit timing reaches a default recovery duration, recover the wireless local area network communications module
The power supply of each circuit, makes the wireless local area network communications module resume work state；
Whether judge in the information that the wireless local area network communications module is received comprising wake up trigger signal；
When the wake up trigger signal is included in described information, with treatment described information in the recovery communication chip
The power supply of related functional module is processed with to the information for receiving；
When the wake up trigger signal is not included in described information, the wireless local area network communications module is put again
It is sleep state, and the working condition of the calendar scheduling wireless local area network communications module to be restored again.
Another object of the present invention is to provide a kind of electronic equipment, the electronic equipment includes the communication that the present invention is provided
Chip.
In terms of existing technologies, the invention has the advantages that：
Communication chip idle method, device, communication chip and electronic equipment that the present invention is provided, by setting in memory
Put and do not power off storage region, communication chip does not power off the standby operation program preserved in storage region when standby described in operation,
Allow that the communication chip closes other work(of the communication chip in the state of wireless LAN communication connection is kept
Can module.In this way, effectively reducing communication chip power consumption in the standby state.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram of electronic equipment provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of holding power supply area provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of device standby method provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram for not powering off storage region provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of device standby device provided in an embodiment of the present invention.
Icon：100- communication chips；110- communication chip apparatus ' of standby；111- trigger elements；112- powers maintenance unit；
113- sleep cells；114- recovery units；115- judging units；116- wakeup units；120- memories；121- does not power off storage
Region；1211- idle functions code area；1212- system data back-ups area；1213- critical registers backup areas；1214- wakes up
Code area；130- processors；140- wireless local area network communications modules；141- timing recovery circuits；150- other functions modules.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is two connections of element internal.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
As shown in figure 1, being the schematic diagram of the communication chip 100 that present pre-ferred embodiments are provided.It is described in the present embodiment
Communication chip 100 includes communication chip apparatus ' of standby 110, memory 120, processor 130, wireless local area network communications module 140
And other functional modules 150.
The memory 120, processor 130, wireless local area network communications module 140 and each yuan of other functions module 150
Part is directly or indirectly electrically connected with each other, to realize the transmission or interaction of data.For example, these elements each other may be used
Realize being electrically connected with by one or more communication bus or holding wire.
In the present embodiment, the memory 120 can be with static RAM (Static Random Access
Memory, SRAM).The memory 120 is included in being and does not power off storage region 121, and the storage region 121 that do not power off is wrapped
Include the independent clock circuit and independently-powered circuit of the other functions module 150 independently of the communication chip 100.By described
Independently-powered circuit does not power off storage region 121 and powers for described in, and is tieed up in the clock zone that the independent clock circuit is provided
The work for not powering off storage region 121 is held, allows described not powering off storage region 121 at the communication chip 100
Remained on when holding state.
The wireless local area network communications module 140 includes timing recovery circuit 141, and the timing recovery circuit 141 is used
The wireless local area network communications module 140 is waken up from sleep state in timing.
The communication chip apparatus ' of standby 110 can be stored including at least one in the form of software or firmware (firmware)
In the memory 120 or it is solidificated in soft in the operating system of the communication chip 100 (operating system, OS)
Part functional module.The processor 130 is used to perform the executable module stored in the memory 120, such as described communication
Software function module and computer program included by chip apparatus ' of standby 110 etc..
Refer to Fig. 2, Fig. 2 is the region that the communication chip 100 keeps power supply in the standby state, including the treatment
Device 130, described storage region 121 and the timing recovery circuit 141 are not powered off.The region powered by above-mentioned holding is caused
The communication chip 100 closes other most of functional modules to reduce power consumption in holding wireless communication connection.Below to reality
The method and step of existing the present invention program is described in detail.
Fig. 3 is refer to, Fig. 3 is a kind of device standby method for being applied to communication chip 100 shown in Fig. 1, methods described bag
Include following steps.
Step S110, receives standby trigger signal, performs the standby operation program in the idle function code area 1211.
In the present embodiment, the storage region 121 that do not power off includes the other functions independently of the communication chip 100
The independent clock circuit and independently-powered circuit of module 150.Storage region is not powered off for described by the independently-powered circuit
121 power supplies, and the work of storage region 121 is not powered off described in being maintained in the clock zone that the independent clock circuit is provided, make
The storage region 121 that do not power off can be remained on when the communication chip 100 is in holding state.
Fig. 4 is refer to, the storage region 121 that do not power off includes idle function code area 1211, the idle function generation
Be stored with the standby operation program in the standby state of the communication chip 100 in code area 1211.The communication chip 100 is connecing
After receiving standby trigger signal, the standby operation program in the idle function code area 1211 is performed.
Step S120, maintains the wireless local area network communications module 140, processor 130 and does not power off storage region 121
Power supply, keeps wireless LAN communication that the other functions module 150 of the communication chip 100 is closed in the state of connecting.
Be reduce communication chip 100 it is standby when electric current, it is necessary to as much as possible nonessential module or electricity can be closed
Road, such as SRAM, Flash compared with power consumption module, and the wireless local area network communications module 140 medium access control mould
The circuits such as group, base band module, register file.
Because the described standby operation program that the communication chip 100 is performed is stored in the idle function generation not powered off
Code area 1211, so the communication chip 100 is when standby, can close except wireless local area network communications module 140, processor
130 and the power supply of other functions module 150 outside storage region 121 is not powered off, and in the pent feelings of other functions module 150
Still the communication chip 100 and external wireless access points (Wireless Access Point, AP) can be maintained under condition
Wireless communication connection, to receive the wake up trigger signal that outside AP sends.And due to maintaining the wireless LAN communication
The power supply of module 140 and processor 130 so that the communication chip 100 need not carry out the first of processor 130 when being waken up
The initialization of beginningization and communication protocol, the efficiency of the wake-up response that can be improved.
Further, referring once again to Fig. 3, the storage region 121 that do not power off includes system data back-up area 1212.
The communication chip 100 obtains need set in advance in the communication chip 100 when standby trigger signal is received
The system data to be backed up, by the system data back-up for needing to back up to the system data back-up area 1212.In this way,
When the communication chip 100 is waken up from holding state, the data recovery that the system data back-up area 1212 is stored is extremely
In the runtime of the communication chip 100.
In the present embodiment, the wireless local area network communications module 140 equally has the electricity-saving mechanism of itself, for example, root
According to the regulation in wireless communication protocol IEEE802.11, the wireless local area network communications module 140 can have two states, bag
Include working condition and sleep state.The wireless local area network communications module 140 maintains low-power consumption in the sleep state, and periodically
Recover to the working condition to receive the beacon (beacon) that external equipment sends, to judge whether to need to wake up the communication
The whole system of chip 100.Specifically refer to step S130 and the afterwards description in the step of.
Step S130, maintains the power supply of timing recovery circuit 141 in the wireless local area network communications module 140, and closes
Other circuits in the wireless local area network communications module 140, make the wireless local area network communications module 140 enter sleep shape
State.
The decision work of wireless local area network communications module 140 shape is included in the wireless local area network communications module 140
The critical registers of state, the critical registers include medium access control module in the wireless local area network communications module 140
Register, the register and register file of base band module.The wireless local area network communications module 140 is from the sleep shape
State is recovered to, it is necessary to reconfigured to these critical registers, entering to above-mentioned critical registers during the working condition
Row can produce electric current ladder or the gradient when reconfiguring, and increased the power consumption of the communication chip 100.
Therefore in the present embodiment, the storage region 121 that do not power off also includes critical registers backup area 1213, refer to
Fig. 4, methods described also includes step S210 and step S220, by by the data backup in the critical registers to the pass
Key register backup area 1213, is posted with reducing the key when the wireless local area network communications module 140 resumes work state
The data of storage, reduce the time of the configuration critical registers data.
Step S210, before the wireless local area network communications module 140 is set into sleep state, by the WLAN
Data backup is to the critical registers backup area 1213 in the critical registers of communication module 140.
Step S220, after the working condition for recovering the wireless local area network communications module 140, from the critical registers
Backup area 1213 recovers the data in the critical registers.
In the present embodiment, employ hardware automated back-up and reconfigure the wireless local area network communications module 140
The method of register, by the register data of the medium access control module, the register data of base band module and deposit
The data backup of device heap is to the critical registers backup area 1213.
Specifically, described power-off be also stored with storage region 121 a default backup list, the WLAN
Data of the communication module 140 in the critical registers carry out backup, by hardware circuit according to the backup list
The address of the key position register that will be recorded, the data backup in the critical registers to the critical registers is backed up
Area 1213.The wireless local area network communications module 140 is recovering the crucial deposit from the critical registers backup area 1213
During data in device, the key position register that will be recorded according to the backup list by hardware circuit by hardware circuit
Address, from the critical registers backup area 1213 recover the critical registers in data.
Because the speed that data backup or recovery are carried out by hardware circuit is very fast so that the wireless LAN communication
Module 140 when recovering to working condition, data that can soon in quick-recovery critical registers, on the one hand, improve the nothing
The response speed of line local area network communications module 140, on the other hand, it is electric current ladder or the gradient to shorten and reconfigure register
Time, reduce further energy consumption.
In the present embodiment, the timing recovery circuit 141 can include 32KHz frequency clocks circuit and the wireless office
Domain Network Communication module 140 resume work state when required register.Under the holding state of the communication chip 100, it is necessary to
The timing of the timing recovery circuit 141 recovers to working condition to receive outside letter the wireless local area network communications module 140
Number, judge whether the whole system for needing to wake up the communication chip 100.
Step S140, when the timing of the timing recovery circuit 141 reaches a default recovery duration, recovers the wireless office
The power supply of each subelement of domain Network Communication module 140, and recover the wireless LAN communication from the storage region 121 that do not power off
The service data of module 140, makes the wireless local area network communications module 140 resume work state.
Step S140, when the timing of the timing recovery circuit 141 reaches a default recovery duration, recovers the wireless office
The power supply of each circuit of domain Network Communication module 140, makes the wireless local area network communications module 140 resume work state.
Specify that the wireless local area network communications module 140 needs Timed Recovery to working condition to connect in IEEE802.11 agreements
Receive the beacon that external equipment sends.In actual applications, it is less demanding to system response time but more sensitive to power consumption
In the case of, the wireless local area network communications module 140 continually need not recover to working condition, therefore in the present embodiment, can
3 beacon intervals durations are set to by the default recovery duration, more than 4 beacon intervals durations, or even 10
Beacon is spaced duration.In this way, the wireless local area network communications module 140 can be reduced recover to the frequency of working condition, can
Further to reduce the power consumption of the communication chip 100.
Whether step S150, judge in the information that the wireless local area network communications module 140 is received comprising wake-up trigger
Signal.
The processor 130 receives the beacon in wireless signal via the wireless local area network communications module 140, passes through
The beacon that standby operation program parsing in the idle function code area 1211 is received, and judge whether wrapped in beacon
Containing wake up trigger signal.
Step S160, when the wake up trigger signal is included in described information, recover in the communication chip 100 with
The power supply of the related functional module for the treatment of described information is processed with to the information for receiving.
Specifically, referring once again to Fig. 2, the storage region 121 that do not power off also includes waking up code area 1214, described to call out
Awake code area 1214 is stored with for the wake up procedure that the functional module of the communication chip 100 is waken up from holding state.
The communication chip 100 judges whether the information for receiving needs to be processed in application layer.
When the information for receiving need not be processed in application layer, by it is described do not power off in storage region 121 treat
Machine operation program is processed.
When the information for receiving needs to carry out processor 130 in application layer, the work(of correlation in the communication chip 100 is waken up
Energy module is processed the information.
The communication chip 100 judges the reception by the standby operation program in the idle function code area 1211
To information whether need to be processed in application layer.
When the information for receiving need not be processed in application layer, by treating in the idle function code area 1211
Machine operation program is processed；
When the information for receiving needs to be processed in application layer, the wake-up of the storage of wake-up code area 1214 is run
Program, the functional module for waking up correlation in the communication chip 100 is processed the information.
Step S170, when the wake up trigger signal is not included in described information, again by the WLAN
Communication module 140 is set to sleep state, and the work shape of the calendar scheduling wireless local area network communications module 140 to be restored again
State.
Fig. 5 is refer to, the present embodiment also provides a kind of communication chip apparatus ' of standby 110, is applied to the communication core shown in Fig. 1
Piece 100, described device includes：
Trigger element 111, for receiving standby trigger signal, performs the standby fortune in the idle function code area 1211
Line program；
Power supply maintenance unit 112, deposits for maintaining the wireless local area network communications module 140, processor 130 and not powering off
The power supply in storage area domain 121, keeps wireless LAN communication that the other functions mould of the communication chip 100 is closed in the state of connecting
Block 150；
Sleep cell 113, the power supply for maintaining timing recovery circuit 141 in the wireless local area network communications module 140,
And other circuits closed in the wireless local area network communications module 140, make the wireless local area network communications module 140 enter to fall asleep
Dormancy state；
Recovery unit 114, for when the timing of the timing recovery circuit 141 reaches a default recovery duration, recovering institute
The power supply of each circuit of wireless local area network communications module 140 is stated, the wireless local area network communications module 140 is resumed work state；
Judging unit 115, for whether judging in the information that the wireless local area network communications module 140 is received comprising calling out
Awake trigger signal；
Wakeup unit 116, for when the wake up trigger signal is included in described information, recovering the communication chip
The power supply of the functional module related to treatment described information is processed with to the information for receiving in 100；
The sleep cell 113, is additionally operable to when the wake up trigger signal is not included in described information, again by institute
State wireless local area network communications module 140 and be set to sleep state, and the calendar scheduling wireless local area network communications module to be restored again
140 working condition.
Based on above-mentioned design, the present embodiment provides a kind of specific embodiment, and the processor 130 uses ARM-
The CPU of Cortex-M3-80MHz, the memory 120 is the SRAM memory of 256KByte, wherein, it is described not power off storage
Region 121 is the storage region of the 64Kbyte in the SRAM.The wireless local area network communications module 140 be 802.11n-1 ×
The WiFi wireless local area network communications modules 140 of 1-20MHz.
Put into practice through inventor and calculated, the standby scheme provided by the present embodiment, the standby bottom electric current of the communication chip 100
Can drop to below about 30 μ A.Simultaneously because hardware backup during 140 resumption of service of wireless local area network communications module
With rapid configuration mechanism, original ladder or gradient time is reduced, the time of peak current can will be kept to be reduced to 2ms or so.
So, if each beacon intervals are waken up once, average standby current is about (0.03 × 100.4+60 × 2)/102.4
=1.201mA；If every 4 beacon wake up once, average standby current is about (0.03 × 407.6+60 × 2)/409.6=
0.323mA.Compared to prior art, the optimization of significant proportion is there has been.And it can be seen that the time interval waken up is more long,
The effect of optimization of average standby current is more obvious, is especially suitable for some low data rates, keeps the Internet of Things application of line for a long time.
As can be seen that in the present embodiment offer scheme, maintaining the communication chip 100 and connecting with the radio communication of outside AP
Connect so that the communication chip 100 can be waken up by the signal of outside AP at any time, meanwhile, and with extremely low stand-by power consumption.
Further, the present embodiment also provides a kind of electronic equipment, and the electronic equipment includes what the present embodiment was provided
The communication chip 100.
In sum, the present invention is provided communication chip idle method, device, communication chip 100 and electronic equipment, pass through
Set in memory 120 and do not power off storage region 121, communication chip 100 does not power off storage region when standby described in operation
The standby operation program preserved in 121 so that the communication chip 100 can keep the state of wireless LAN communication connection
The lower other functions module 150 for closing the communication chip 100.In this way, effectively reducing the communication chip 100 in standby shape
Power consumption under state.
In embodiment provided herein, it should be understood that disclosed apparatus and method, it is also possible to by other
Mode realize.Device embodiment described above is only schematical, for example, the flow chart and block diagram in accompanying drawing show
Device, the architectural framework in the cards of method and computer program product, the function of multiple embodiments of the invention
And operation.At this point, each square frame in flow chart or block diagram can represent one the one of module, program segment or code
Point, a part for the module, program segment or code is used for the executable of the logic function that realization specifies comprising one or more
Instruction.It should also be noted that in some are as the implementation replaced, the function of being marked in square frame can also be with different from attached
The order marked in figure occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they also may be used sometimes
To perform in the opposite order, this is depending on involved function.It is also noted that each in block diagram and/or flow chart
The combination of the square frame in square frame and block diagram and/or flow chart, can with perform the function of regulation or the special of action based on
The system of hardware is realized, or can be realized with the combination of computer instruction with specialized hardware.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion
Divide, or modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
If the function is to realize in the form of software function module and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of communication chip idle method, is applied to communication chip, it is characterised in that the communication chip includes wireless local
Network Communication module, processor and memory, the memory include not powering off storage region, described not power off storage region
Including idle function code area, be stored with the communication chip standby fortune in the standby state in the idle function code area
Line program；The wireless local area network communications module includes a timing recovery circuit；Methods described includes：
Standby trigger signal is received, the standby operation program in the idle function code area is performed；
Maintain the wireless local area network communications module, processor and do not power off the power supply of storage region, keep wireless local Netcom
The other functions module of the communication chip is closed in the state of letter connection；
The power supply of timing recovery circuit in the wireless local area network communications module is maintained, and closes the wireless LAN communication mould
Other circuits in block, make the wireless local area network communications module enter sleep state；
When the timing recovery circuit timing reaches a default recovery duration, recover each electricity of wireless local area network communications module
The power supply on road, makes the wireless local area network communications module resume work state；
Whether judge in the information that the wireless local area network communications module is received comprising wake up trigger signal；
It is related to treatment described information in the recovery communication chip when the wake up trigger signal is included in described information
The power supply of functional module processed with to the information for receiving；
When the wake up trigger signal is not included in described information, the wireless local area network communications module is set to sleeps again
Dormancy state, and the working condition of the calendar scheduling wireless local area network communications module to be restored again.
2. method according to claim 1, it is characterised in that the storage region that do not power off is included independently of the communication
The independent clock circuit and independently-powered circuit of the other functions module of chip；The power supply of storage region is not powered off described in keeping
Mode includes：
Storage region is not powered off by the independently-powered circuit for described in power, and in independent clock circuit offer
The work of storage region is not powered off described in being maintained in clock domain.
3. method according to claim 1, it is characterised in that the storage region that do not power off also includes that critical registers are standby
Part area；Methods described also includes：
Before the wireless local area network communications module is set into sleep state, by the crucial deposit of the wireless local area network communications module
Data backup is to the critical registers backup area in device, wherein, the critical registers include the wireless LAN communication
The register and register file of the register of medium access control module, base band module in module；And
After the working condition for recovering the wireless local area network communications module, the pass is recovered from the critical registers backup area
Data in key register.
4. method according to claim 3, it is characterised in that described not power off that be also stored with storage region one default
Backup list, the wireless LAN communication is backed up or is recovered the mode of data in the critical registers, including：
The key position register that hardware circuit in the wireless local area network communications module will be recorded according to the backup list
Address, by the data backup in the critical registers to the critical registers backup area, or from the critical registers
Backup area recovers the data in the critical registers.
5. method according to claim 1, it is characterised in that the judgement wireless local area network communications module is received
Information in whether comprising wake up trigger signal the step of, including：
The beacon in wireless signal is received via the wireless local area network communications module, by the idle function code area
Whether standby operation program parses the beacon, and judge in the beacon comprising wake up trigger signal.
6. method according to claim 5, it is characterised in that the storage region that do not power off also includes waking up code area,
The wake-up code area is stored with for the wake up procedure that the functional module of the communication chip is waken up from holding state；
It is described when the wake up trigger signal is included in described information, recover related to described information in the communication chip
Functional module power supply to process the information for receiving the step of, including：
Whether needed in application by the information received described in the standby operation program judgement in the idle function code area
Layer is processed；
When the information for receiving need not be processed in application layer, by the standby operation journey in the idle function code area
Sequence is processed；
When the information for receiving needs to carry out processor in application layer, the wake up procedure of the wake-up code area storage is run, called out
Related functional module is processed the information in the awake communication chip.
7. method according to claim 1, it is characterised in that the storage region that do not power off includes system data back-up
Area；Methods described also includes：
When standby trigger signal is received, the system data backed up the need for being preset in the acquisition communication chip, by institute
Stating needs the system data back-up of backup to the system data back-up area；And
When the communication chip is waken up from holding state, the data recovery that the system data back-up area is stored to institute
In stating the runtime of communication chip.
8. a kind of communication chip apparatus ' of standby, is applied to communication chip, it is characterised in that the communication chip includes wireless local
Network Communication module, processor and memory, the memory include not powering off storage region, described not power off storage region
Including idle function code area, be stored with the communication chip standby fortune in the standby state in the idle function code area
Line program；The wireless local area network communications module includes a timing recovery circuit；Described device includes：
Trigger element, for receiving standby trigger signal, performs the standby operation program in the idle function code area；
Power supply maintenance unit, for maintaining the wireless local area network communications module, processor and not powering off the power supply of storage region,
Keep wireless LAN communication that the other functions module of the communication chip is closed in the state of connecting；
Sleep cell, for maintaining the power supply of timing recovery circuit in the wireless local area network communications module, and closes the nothing
Other circuits in line local area network communications module, make the wireless local area network communications module enter sleep state；
Recovery unit, for when the timing recovery circuit timing reaches a default recovery duration, recovering the wireless local
The power supply of each circuit of Network Communication module, makes the wireless local area network communications module resume work state；
Judging unit, for judging whether believe comprising wake-up trigger in the information that the wireless local area network communications module is received
Number；
Wakeup unit, for when the wake up trigger signal is included in described information, with place in the recovery communication chip
The power supply of the related functional module of reason described information is processed with to the information for receiving；
The sleep cell, is additionally operable to when the wake up trigger signal is not included in described information, again will be described wireless
Local area network communications module is set to sleep state, and the work shape of the calendar scheduling wireless local area network communications module to be restored again
State.
9. a kind of communication chip, it is characterised in that the communication chip includes wireless local area network communications module, processor and storage
Device, the memory includes not powering off storage region, and the storage region that do not power off includes idle function code area, described
Be stored with the communication chip standby operation program in the standby state in idle function code area；The wireless local Netcom
Letter module includes a timing recovery circuit；The memory storage has the operation program of the communication chip, and the processor is held
The row operation program realizes following functions：
Standby trigger signal is received, the standby operation program in the idle function code area is performed；
Maintain the wireless local area network communications module, processor and do not power off the power supply of storage region, keep wireless local Netcom
The other functions module of the communication chip is closed in the state of letter connection；
The power supply of timing recovery circuit in the wireless local area network communications module is maintained, and closes the wireless LAN communication mould
Other circuits in block, make the wireless local area network communications module enter sleep state；
When the timing recovery circuit timing reaches a default recovery duration, recover each electricity of wireless local area network communications module
The power supply on road, makes the wireless local area network communications module resume work state；
Whether judge in the information that the wireless local area network communications module is received comprising wake up trigger signal；
It is related to treatment described information in the recovery communication chip when the wake up trigger signal is included in described information
The power supply of functional module processed with to the information for receiving；
When the wake up trigger signal is not included in described information, the wireless local area network communications module is set to sleeps again
Dormancy state, and the working condition of the calendar scheduling wireless local area network communications module to be restored again.
10. a kind of electronic equipment, it is characterised in that the electronic equipment includes the communication chip described in claim 9.
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| CN201710093317.8A CN106900038A (en) | 2017-02-21 | 2017-02-21 | Communication chip idle method, device, communication chip and electronic equipment |
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| CN201710093317.8A CN106900038A (en) | 2017-02-21 | 2017-02-21 | Communication chip idle method, device, communication chip and electronic equipment |
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