CN104484308B - Control method applied to operator scheme finite state machine - Google Patents
Control method applied to operator scheme finite state machine Download PDFInfo
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- CN104484308B CN104484308B CN201410658016.1A CN201410658016A CN104484308B CN 104484308 B CN104484308 B CN 104484308B CN 201410658016 A CN201410658016 A CN 201410658016A CN 104484308 B CN104484308 B CN 104484308B
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Abstract
The invention discloses a kind of control method for being applied to an operator scheme finite state machine, the wherein operator scheme finite state machine system is used for determining the behavior of a first port of a device, and the control method includes：When the state of the operator scheme finite state machine is a first local state, and wake request position when being first logical value, control the operator scheme finite state machine to enter one second local state by the first local state, and control first port transmission to wake up the signal of form to an online buddies of the first port with one.
Description
Technical field
The present invention relates to finite state machine technical field, disclosed herein embodiment system be relevant to finite state machine side
Method, it is espespecially a kind of can be with global finite state machine (the Global Finite-State- of automobile-used Ethernet standard
Machine) compatible operator scheme finite state machine (Operating-Mode Finite-State-Machine, OPFSM) side
Method.
Background technology
Ethernet is considered as the mainstream scheme in the automobile-used network infrastructure of a new generation by automobile industry now.Ether
Network has higher bandwidth, can meet the application demands such as emerging driving auxiliary and information entertainment.
Automobile industry is extending elasticity, low cost, low-power consumption and durability etc., there is of a relatively high requirement.Example
Such as, in the past when depot uses such as controller local area network (Controller Area Network, CAN) or In-vehicle networking to communicate
When system (FlexRay) etc. carries out communication transfer, " limited a shape of operator scheme can be provided with the physical layer of each bottom product
State machine (Operating-Mode Finite-State-Machine, OPFSM) ", the access control of acceptable top level control person,
The corresponding control of power-saving control or other unusual conditions, and explicitly define and describe bottom product with top level control person various
Processing and corresponding behavior under situation.
However, in automobile-used Ethernet standard (such as BR-PHY standards), " global finite state machine is only directed to
(global FSM) " is clearly defined, therefore can not efficient realization further operation, such as " selectively call out
Awake (selective wakeup) ", " quick global wakes up (global wakeup) ".In view of this, in automobile-used Ethernet mark
, it is necessary to which a kind of be similar to conventional " operator scheme finite state machine " in standard, more grasped to provide automobile-used Ethernet standard
Make function and/or improve the power consumption problem of automobile-used Ethernet standard, and then simplify upper strata and use complexity, while and can
Enough and existing " global finite state machine " is compatible.
The content of the invention
An object of the present invention ties up to a kind of enough simultaneous with the global finite state machine of automobile-used Ethernet standard in proposing
The operator scheme finite state machine method and related computer readable media of appearance, with to the skill met with above-mentioned known techniques
Art problem gives a response.
According to the one exemplary embodiment of the present invention, a kind of controlling party for being applied to an operator scheme finite state machine is disclosed
Method, wherein the operator scheme finite state machine system are used for determining the behavior of a first port of a device, and the control method includes
Have：When the state of the operator scheme finite state machine is a first local state, and a wake request position is one first logic
During value, control the operator scheme finite state machine to enter one second local state by the first local state, and control this
Single port transmission wakes up the signal of form to an online buddies of the first port with one.
According to another one exemplary embodiment of the present invention, a kind of computer-readable media is disclosed, stores a program code, when
Following steps can be performed when the program code is performed by a processor to control an operator scheme finite state machine, the wherein behaviour
Operation mode finite state machine system is used for determining the behavior of a first port of a device, the step performed by the computer-readable media
Suddenly include：When the state of the operator scheme finite state machine is a first local state, and a wake request position is one the
During one logical value, the operator scheme finite state machine is controlled to enter one second local state by the first local state, and control
Make first port transmission and wake up the signal of form to an online buddies of the first port with one.
The operator scheme finite state machine of the present invention is compatible, and in automobile-used Ethernet standard, defined in itself " overall situation has
Limit state machine ", and some further operation mechanisms are can perform in addition, such as selective wake-up, the overall situation via startup line
Wake-up or the global wake-up via cable.It is added significantly to the elasticity of system.
Implement technical scheme, have the advantages that：The operator scheme finite state machine of the present invention can be simultaneous
It is defined in itself " global finite state machine " to be dissolved in automobile-used Ethernet standard, and can perform some further behaviour in addition
Make mechanism, such as selective wake-up, the global wake-up via startup line or the global wake-up via cable.Be added significantly to be
The elasticity of system.
Brief description of the drawings
The present invention is specifically described below with reference to accompanying drawing and with reference to example, advantages of the present invention and implementation will
More obvious, wherein content is only used for explanation of the present invention shown in accompanying drawing, without forming to the present invention in all senses
On limitation, in the accompanying drawings：
Fig. 1 is the schematic diagram of the embodiment of operator scheme finite state machine of the present invention；
Fig. 2 applies the schematic diagram in the embodiment of selective wake-up mechanism for operator scheme finite state machine of the present invention；
Fig. 3 is that operator scheme finite state machine of the present invention is applied in the embodiment via the global wake-up mechanism for starting line
Schematic diagram；
Fig. 4 is that operator scheme finite state machine of the present invention applies the embodiment in global wake-up mechanism via cable to show
It is intended to；
Fig. 5 A are the stream of an one exemplary embodiment of the control method that the present invention is applied to an operator scheme finite state machine
Cheng Tu；
Fig. 5 B are Fig. 5 A flow chart that continues；
Fig. 6 is the schematic diagram for the embodiment that the present invention is applied to a computer system.
100 operator scheme finite state machines
102 dormancy/Reset Status
104 holding states
106 general/safe conditions
108 first local states
110 second local states
112 the 3rd local states
201st, 203,205,207,209,211 is online
202nd, 206,206,208,210,212,216 microprocessor
214th, 218~234 physical layer
500 flows
502~516 steps
600 computer systems
602 processors
604 machine-readable mediums
Embodiment
Some vocabulary has been used among specification and follow-up claim to censure specific component.Affiliated neck
Has usually intellectual in domain, it is to be appreciated that manufacturer may call same component with different nouns.This specification
And follow-up claim is in a manner of the difference of title is used as and distinguishes component, but with component functionally
Difference is used as the criterion of differentiation.It is open for one in the "comprising" system of specification in the whole text and follow-up claims mentioned in
Term, therefore " include but be not limited to " should be construed to.In addition, " coupling " one word is comprising any directly and indirect electric herein
Gas connection means.Therefore, if the first device of described in the text one is coupled to a second device, representing the first device can be directly electric
Gas is connected to the second device, or is electrically connected indirectly to the second device through other devices or connection means.
Fig. 1 is the schematic diagram of the embodiment of operator scheme finite state machine of the present invention.An operation mould in this embodiment
The system of formula finite state machine 100 is compatible with the product of automobile-used Ethernet standard (such as BR-PHY standards) applied to one, and should
Product has 5 physical layers (i.e. 5 ports), but the present invention is not limited with this.That is, operator scheme finite state machine 100 is also not
It is excluded in the similar standard/protocol of the correlation being applicable in other same or like fields.In this embodiment, operator scheme is limited
It is defined in itself " global finite state machine " that the system of state machine 100 is compatible with automobile-used Ethernet standard, specifically, the 1st
Three states of " global finite state machine " are shown in figure simultaneously：One first global state (dormancy/Reset Status) Global_
Sleep/Reset 102, one second global state (holding state) Global_Standby 104 and one the 3rd global state
(general/safe condition) Global_Normal/Safety 106；And three states of operator scheme finite state machine 100,
One first local state Local_Reset 108, one second local state Local_Standby 110, one the 3rd local state
Local_Normal 112.It should be noted that automobile-used Ethernet standard defined in itself " global finite state machine " is not
It is defined in and only includes the first above-mentioned global state Global_Sleep/Reset 102, the second global state Global_
The global state Global_Normal/Safety 106 of Standby 104 and the 3rd.Only show herein at least and of the invention
There is the partial status of correlation.
By will be seen that in Fig. 1, when the system of operator scheme finite state machine 100 is located at the first local state Local_Reset
When 108, the state of its corresponding " global finite state machine " can be the first global state Global_Sleep/Reset
102 or the 3rd global state Global_Normal/Safety 106；When the system of operator scheme finite state machine 100 is located at second
During local state Local_Standby 110, the state of its corresponding " global finite state machine " can be the second global shape
The global state Global_Normal/Safety 106 of state Global_Standby 104 or the 3rd；When the limited shape of operator scheme
When the system of state machine 100 is located at the 3rd local state Local_Normal 112, the state of its corresponding " global finite state machine "
Only can be the 3rd global state Global_Normal/Safety 106.And " global finite state machine " and operator scheme are limited
State machine 100, which is compared, has higher priority, that is, when " global finite state machine " enters the first global state by control
During Global_Sleep/Reset 102, operator scheme finite state machine 100 is just bound to enter the first local state Local_
Reset 108；When " global finite state machine " enters the second global state Global_Standby 104 by control, mould is operated
Formula finite state machine 100 is just bound to enter the second local state Local_Standby 110；When " global finite state machine " quilt
When control enters the 3rd global state Global_Normal/Safety 106, operator scheme finite state machine 100 just can be certainly
Row is in the first local state Local_Reset 108, the second local 110 and the 3rd local states of state Local_Standby
State is determined between Local_Normal 112, such as Host Command (host command) is sent via top level control unit
In the first local state Local_Reset 108, the second local 110 and the 3rd local states of state Local_Standby
Switch between Local_Normal 112.
For the product of single one physical layer (such as single-port), the system of operator scheme finite state machine 100 is used for controlling
Make the operation of the physical layer；And for multiple physical layers (such as automobile-used Ethernet standardized product in 5 ports of the present embodiment)
For product, then each physical layer is required for respective operator scheme finite state machine 100 to control respective operation respectively.
That is the operator scheme finite state machine 100 of the present invention can be compatible with the product of single/non-single one physical layer.Further come
See, the first local systems of state Local_Reset 108 are compatible to the first global state Global_Sleep/Reset 102 province
Power mode, and in the case where above-mentioned multiple physical layers have respective operator scheme finite state machine 100 respectively, can with up to
The mechanism of (partial network) is used to subnetwork, i.e., in the automobile-used Ethernet standardized product in 5 ports of the present embodiment
In, when the state of " global finite state machine " is the 3rd global state Global_Normal/Safety 106, each physical layer
The product can be controlled according to current situation, section ports is located at the first local state Local_Reset 108, and
Remaining port is not located at the first local state Local_Reset 108.
When the automobile-used Ethernet standardized product in 5 ports of the present embodiment " global finite state machine " state system positioned at the
Three global state Global_Normal/Safety 106, and the system of operator scheme finite state machine 100 of xth port is located at first
(x can be 0~4, represent the automobile-used Ethernet standardized product in 5 ports of the present embodiment during local state Local_Reset 108
Every Single port numbering), if now xth port receives online from cable " wake up form (wakeup pattern, WUP) ",
That is WUPx=1, or a wake request position WUP/R_req of xth portxBecome 1 from 0, or 5 ports of the present embodiment are automobile-used
One startup line signal Lwake of Ethernet standardized product is set to 1, and a default option option=1 of xth port
When, the respective operations pattern finite state machine 100 of xth port will enter the from the first local state Local_Reset 108
Two local state Local_Standby 110.It note that in the nature of things, the control unit on upper strata can be by sending main frame
Order carrys out the operator scheme finite state machine 100 of order xth port in the first local state Local_Reset 108, second
Switch between 110 and the 3rd local state Local_Normal 112 of ground state Local_Standby, but this is not this hair
Bright emphasis, just seldom repeated in this and subsequent paragraph.
For example, when the automobile-used Ethernet standardized product in 5 ports of the present embodiment every Single port default option
When option is set as 1, as long as start line signal Lwake becomes 1 from 0,5 ports that can directly wake up the present embodiment are automobile-used
Every Single port of Ethernet standardized product, therefore system fast wake-up can be reached.Also, above-mentioned wake-up form can regard institute
Various criterion/specification of application and have different forms.Such as herein it is the wake-up lattice worked out by automobile-used Ethernet standard
Formula.In addition, one of emphasis of the present invention is every Single port of the automobile-used Ethernet standardized product in 5 ports for the present embodiment
Devise wake request position WUP/R_reqx, its function system works as wake request position WUP/R_reqxWhen becoming 1 from 0, affiliated xth
If port in the second local state Local_Standby 110, will send wake-up to its online buddies (link partner)
Form；Or if affiliated xth port is in the 3rd local state Local_Normal 112, will in idle code coding one "
Wake request (wakeup request, WUR) " is simultaneously sent to its online buddies, wherein the wake request corresponding to the 0th~4 port
Position WUP/R_req0~4It can be represented respectively using following equation (1)~(5).
In equation (1)~(5), WUPx=1 or WURx=1 expression xth port receives online buddies institute from cable online
" the wake-up form " that sends or " wake request "；An and selectivity parameter Selectivexy=1 represents that xth port receives and " calls out
Wake up form " or when " wake request ", y ports should be broadcast to, make y ports also its online buddies is sent " wake-up form " or
It is " wake request ", and upper strata setting wake request en_WUP/RxIt is set to instruct then to fasten layer control unit；One starts
Line enable parameter Lw2RwxIf represent to start line (activation line) signal Lwake=1 when=1, xth port can be to it
Online buddies send " wake-up form " or " wake request ".And above-mentioned equation (1)~(5) all can always be held by one respectively
Close Gate_WUP/RxControl.Wherein x=0~4, y=0~4.
When the automobile-used Ethernet standardized product in 5 ports of the present embodiment " global finite state machine " state system positioned at the
Three global state Global_Normal/Safety 106, and the system of operator scheme finite state machine 100 of xth port is located at second
(x can be 0~4, represent the automobile-used Ethernet standard production in 5 ports of the present embodiment during local state Local_Standby 110
The numbering of every Single port of product), now xth port not yet with online buddies complete it is online, if but xth port a wake request
Position WUP/R_reqx=1, then xth port can be sent at once wakes up form WUPxTo online buddies, reach quick and transmit (fast
Broadcast) the effect of.In the second local state Local_Standby 110, if an overlap joint pin at xth port
(strap pin) is set to automatic mode, then xth port will wake up form WUP sendingxAfterwards, automatically from second
Ground state Local_Standby 110 enters the 3rd local state Local_Normal 112；If the overlap joint pin quilt at xth port
It is set as non-automatic, xth port will wake up form WUP sendxAfterwards, decide whether according to Host Command local from second
State Local_Standby 110 enters the 3rd local state Local_Normal 112.
When the automobile-used Ethernet standardized product in 5 ports of the present embodiment " global finite state machine " state system positioned at the
Three global state Global_Normal/Safety 106, and the system of operator scheme finite state machine 100 of xth port is located at the 3rd
(x can be 0~4, represent the automobile-used Ethernet standard production in 5 ports of the present embodiment during local state Local_Normal 112
The numbering of every Single port of product), represent and online buddies it is online normal, the biography that can carry out standard is brought drill to an end work.If now
One wake request position WUP/R_req of xth portx=1, then xth port can send wake request WURxTo online buddies.Now
Online buddies are equally to pass receipts pattern positioned at standard, and xth port sends wake request WURxIt can be used for requiring online buddies
This further wake request passes from other ports.Therefore, the initiation of wake-up of the invention and automobile-used Ethernet mark
Accurate master (Master)/unrelated from (Slave).
Fig. 2 is that operator scheme finite state machine of the present invention is applied in selective wake-up (selective wakeup) mechanism
The schematic diagram of embodiment.In this embodiment, the system of aforesaid operations pattern finite state machine 100 is compatible with automobile-used ether applied to one
In the system of network standard (such as BR-PHY standards), wherein the automobile-used Ethernet standardized product comprising 9 single-ports, 3
The automobile-used Ethernet standard exchanger (switch) of individual 4 port and the automobile-used Ethernet standard exchanger of 13 port.
Under selective wake-up mechanism, the selectivity parameter of each finite state machine 100 in automobile-used Ethernet modular system
Selective can be predetermined to be 0, and each overlap joint pin can all be defaulted as non-automatic pattern, in addition, and each thing
Manage the default option option of the operator scheme finite state machine of layer can all be defaulted as 0 and master switch Gate_WUP/R all can be by
It is preset as 1.When a microprocessor (micro controller, μ C) 202 senses a particular condition, and determine to wake up micro- place
When managing device 204,206,208,210 and 212, it may require that a physical layer 222 wakes up another physical layer 214, and it is online to establish one
After 201, microprocessor 202 and another microprocessor 208 will carry out friendship and hold (handshake) program to determine microprocessor
Next 208 will control that port to send wake-up to online buddies requires.After program is held in friendship, microprocessor 208 can pass through
The respective wake request parameter en_WUP/R in physical layer 230,232 and 234 is set to wake up physical layer 224,226 and 228,
And establish online 203,205 and 207；Afterwards, similarly, microprocessor 208 and another microprocessor 216 hold journey by friendship again
Sequence, and determine to wake up another physical layer 218 and establish another online 209；Afterwards, microprocessor 216 and another microprocessor 210
Program is held by friendship again, and determines to wake up another physical layer 220 and establishes another online 211.
Fig. 3 is that operator scheme finite state machine of the present invention is applied via global wake-up (the global wakeup for starting line
Via activation line) mechanism embodiment schematic diagram.In this embodiment, aforesaid operations pattern finite state machine
100 systems are compatible with the system of automobile-used Ethernet standard (such as BR-PHY standards) applied to one, wherein including 9 single ends
Mouthful automobile-used Ethernet standardized product, 34 ports automobile-used Ethernet standard exchanger (switch) and 13 port
Automobile-used Ethernet standard exchanger.Under via the global wake-up mechanism for starting line, in automobile-used Ethernet modular system
The selectivity parameter Selective of each finite state machine 100 can be predetermined to be 0, and each overlap joint pin can all be write from memory
Automatic mode is thought, in addition, the default option option and master switch of the operator scheme finite state machine of each physical layer
Gate_WUP/R can be predetermined to be 1.When any microprocessor senses are to a particular condition, and determine to wake up other specific
During microprocessor, it can will directly start line signal Lwake and be set as 1, and once can all wake up whole system and not have to another
Outer send wakes up form or wake request.
Fig. 4 is that operator scheme finite state machine of the present invention is applied in global wake-up (the global wakeup via cable
Via Ethernet cable) mechanism embodiment schematic diagram.In this embodiment, aforesaid operations pattern finite state machine
100 systems are compatible with the system of automobile-used Ethernet standard (such as BR-PHY standards) applied to one, wherein including 9 single ends
Mouthful automobile-used Ethernet standardized product, 34 ports automobile-used Ethernet standard exchanger (switch) and 13 port
Automobile-used Ethernet standard exchanger.It is every in automobile-used Ethernet modular system under the global wake-up mechanism via cable
The selectivity parameter Selective and master switch Gate_WUP/R of one finite state machine 100 can be predetermined to be 1, and often
The default option option of the operator scheme finite state machine of one physical layer can be defaulted as 0.As a microprocessor (micro
Controller, μ C) 202 a particular condition is sensed, and determine to wake up microprocessor 204,206,208,210 and 212
When, it may require that a physical layer 222 wakes up another physical layer 214, needless to say establish online, the wake-up of physical layer 230,232 and 234
Request position WUP/R_req will become 1 from 0, thus physical layer 230,232 and 234 can with send at once wake up form or
It is wake request.And quickly whole system is waken up in this way.
Fig. 5 A and Fig. 5 B are an exemplary implementation of the control method that the present invention is applied to an operator scheme finite state machine
The flow chart of example.If generally can reach identical result, it is not absolutely required in accordance with flow shown in 5A~5B figures
Sequence of steps is carried out, and the step shown in 5A~5B figures is not necessarily intended to be carried out continuously, that is, other steps also can be inserted into it
In, in addition, some steps in 5A~5B figures also can change according to different embodiments or design requirement or omit it.It is applied to
The step of control method 500 of one operator scheme finite state machine, is as follows：
S502：When a global finite state machine of an automobile-used Ethernet standard set-up enters one dormancy/replacement (sleep/
Reset) during state, the operator scheme finite state machine is controlled to enter one first local state；
S504：When the global finite state machine enters standby (standby) state, the limited shape of the operator scheme is controlled
State machine enters one second local state；
S506：When the state of the global finite state machine is general/(normal/safety) state, and should safely
The state of operator scheme finite state machine is the first local state, and when a wake request position is first logical value, control
The operator scheme finite state machine enters the second local state, and controls first port transmission to wake up form with one
Signal to the first port an online buddies；
S508：When the state of the operator scheme finite state machine is the second local state, and the wake request position is from one
When second logical value changes into first logical value, control the first port transmission with the wake-up form signal to this first
The online buddies of port；
S510：When the state of the operator scheme finite state machine is one the 3rd local state, and the wake request position from this
When second logical value changes into first logical value, control the first port transmission with a wake request signal to this first
The online buddies of port；
S512：When a second port of the automobile-used Ethernet standard set-up receives another news with the wake-up form
Number or receive the signal with the wake request, and the first port is set for a selectivity parameter of the second port
For a predetermined value when, the wake request position is set as first logical value；
S514：When a upper strata processor of the automobile-used Ethernet standard set-up calls out the upper strata setting of the first port
When awake request is set as a predetermined value, the wake request position is set as first logical value；And
S516：When a startup line signal of the automobile-used Ethernet standard set-up is a predetermined value, and the first port
When one startup line enable parameter is a predefined parameter value, the wake request position is set as first logical value.
Fig. 6 is the schematic diagram of an embodiment of a computer system 600.Computer system 600 includes a processor 602
An and machine-readable medium 604, for example, computer system 600 can be a personal computer, and computer-readable matchmaker
Body 604 can be any storage device with data storage function in personal computer, such as volatile memory, non-volatile
Internal memory, hard disk, CD etc..In the present embodiment, a program code PROG is stored in computer-readable media 604, therefore, works as journey
When sequence code PROG is loaded and performed by processor 602, program code PROG can cause processor 602 to perform shown in the 5th figure
Step S502~S516 control an operator scheme finite state machine, wherein the operator scheme finite state machine system is used for determining
The behavior of one first port of one automobile-used Ethernet standard set-up.Due to being familiar with this field person in reading in above paragraph
The operation that the configuration processor code PROG of processor 602 is carried out should can be will readily appreciate that after appearance, therefore is omitted herein further
Illustrate in the hope of succinct.
The above-mentioned idea on the present invention can be realized in any integrated circuit by semiconductor.Such as this can be sent out
It is bright to realize in the design of single semiconductor, or realize in ASIC and/or any other subsystem.
The present invention can be realized using any appropriate form, any group comprising hardware, software, firmware or the above
Close.At least partly the present invention is optionally implemented as operating at one or more data processors and/or data signal
Manage the computer software on device or configurable modular assembly (such as FPGA).Therefore, the component and group of embodiments of the invention
Part physically, is functionally and logically realized in any suitable manner.In fact, the function of the present invention can be realized
Single unit, a plurality of units or the part as other functional units.
Although some combined embodiments of the present invention are illustrated, the present invention is not limited in this specification
Particular form illustrates.On the contrary, the scope of the present invention is only limited by appended claim.In addition, although inventive features can
Energy tying closes specific embodiment to describe, but those skilled in the art should be understood that the various features of described embodiment can
To be combined according to the present invention.In the claims, term "comprising" is not excluded for the presence of other assemblies or step.
In addition, although a plurality of means, component or method system are individually listed, but should be using such as single unit, place
Device or controller are managed to realize.In addition, although each feature can be contained in different claims, but be able to should be had
Combine sharply, and be infeasible and/or favourable comprising the combination for being not meant to feature in different claims.Separately
Outside, the feature included in a kind of claim is not intended to be limited to the category, but represents that this feature is equally applicable to it
Its claim categories.
In addition, the order of feature in the claims is not meant to any particular order having to carry out, and method is weighed
The order of each step is not meant to that these steps must sequentially perform according to this during profit requires.On the contrary, can with appoint
What suitably sequentially performs these steps.In addition, singular reference be not excluded for it is multiple.Therefore, " one ", " first ", " second " etc.
Term is not precluded from multiple.
Claims (12)
1. a kind of control method for being applied to an operator scheme finite state machine, wherein the operator scheme finite state machine system are used for
Determine the behavior of a first port of a device, it is characterised in that：
When the state of the operator scheme finite state machine is a first local state, and a wake request position is one first logic
During value, control the operator scheme finite state machine to enter one second local state by the first local state, and control this
Single port transmission wakes up the signal of form to an online buddies of the first port with one, when a upper strata processor of the device
When one upper strata of first port setting wake request is set as into a predetermined value, the wake request position is set as that this first is patrolled
Collect value.
2. control method as claimed in claim 1, it is characterised in that：
When the state of the operator scheme finite state machine is the second local state, and the wake request position is from one second logical value
When changing into first logical value, signal of the first port transmission with the wake-up form is controlled to the connection of the first port
Machine partner.
3. control method as claimed in claim 1, it is characterised in that：
When the state of the operator scheme finite state machine is one the 3rd local state, and the wake request position is from one second logical value
When changing into first logical value, signal of the first port transmission with a wake request is controlled to the connection of the first port
Machine partner.
4. control method as claimed in claim 1, it is characterised in that：
When a second port of the device receives another signal with the wake-up form, the wake request position is set as this
First logical value.
5. control method as claimed in claim 4, it is characterised in that：Called out when the second port of the device receives with this
Wake up another signal of form, the step of wake request position is set as into first logical value includes：
When the second port of the device receives another signal with the wake-up form, and the first port for this second
When one selectivity parameter of port is set to a predetermined value, the wake request position is set as first logical value.
6. control method as claimed in claim 1, it is characterised in that：
When the second port of the device receives the signal with a wake request, the wake request position is set as that this first is patrolled
Collect value.
7. control method as claimed in claim 6, it is characterised in that：Called out when the second port of the device receives with this
Wake up the signal of request, the step of wake request position is set as into first logical value includes：
When the second port of the device receives the signal with the wake request, and the second port is directed to the first port
Selectivity parameter when being set to a predefined parameter value, the wake request position is set as first logical value.
8. control method as claimed in claim 1, it is characterised in that：
When it is a predetermined value that the one of the device, which starts line signal, the wake request position is set as first logical value.
9. control method as claimed in claim 8, it is characterised in that：When the startup line signal of the device is the predetermined value
When, the step of wake request position is set as into first logical value, includes：
When the startup line signal of the device is the predetermined value, and it is a predetermined ginseng that the one of the first port, which starts line enable parameter,
During numerical value, the wake request position is set as first logical value.
10. control method as claimed in claim 1, it is characterised in that：
When a global finite state machine of the device enters one dormancy/replacement sleep/reset states, the operator scheme is controlled
Finite state machine enters the first local state；And when the global finite state machine enters a standby standby states, control
Make the operator scheme finite state machine and enter the second local state.
11. control method as claimed in claim 10, it is characterised in that：When the state of the operator scheme finite state machine is to be somebody's turn to do
First local state, and when the wake request position is first logical value, control the operator scheme finite state machine enter this
Two local states, and signal of the first port transmission with the wake-up form is controlled to the online buddies of the first port
The step of include：
When the state of the global finite state machine is general/safe normal/safety states, and the operator scheme is limited
The state of state machine is the first local state, and when the wake request position is first logical value, controls the operator scheme to have
Limit state machine enter the second local state, and control the first port transmission have the wake-up form signal to this first
The online buddies of port.
12. control method as claimed in claim 1, it is characterised in that：The device system meets an automobile-used Ethernet standard.
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