CN107656513A - The mode switching method and embedded device of embedded device - Google Patents
The mode switching method and embedded device of embedded device Download PDFInfo
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- CN107656513A CN107656513A CN201710742556.1A CN201710742556A CN107656513A CN 107656513 A CN107656513 A CN 107656513A CN 201710742556 A CN201710742556 A CN 201710742556A CN 107656513 A CN107656513 A CN 107656513A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention discloses the mode switching method of embedded device and embedded device.The equipment includes first interface, the second interface exposed to device external, the on-off circuit being connected with embeded processor, and first interface is identical with the type of second interface；Mode flags position setup module, for the order in response to switching to engineering mode/switch to user model, mode flags position is arranged to engineering mode mark/user model mark；Pattern switching control module, for being arranged to engineering mode mark in response to mode flags position, equipment is switched into engineering mode and on-off circuit is switched to the debugging interface of connection second interface and embeded processor, it is arranged to user model mark in response to mode flags position, equipment is switched into user model and on-off circuit is switched into connection first interface and second interface.Method and apparatus provided by the invention can be used for the switching of engineering mode and user model.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of mode switching method of embedded device and one kind it is embedding
Enter formula equipment.
Background technology
With the arrival of intellectualization times, embedded system is widely applied in every field.Use embedded system
The personnel of system are broadly divided into two classes, and one kind is exploitation test maintaining personnel, and one kind is domestic consumer.The former needs to enter engineering
Pattern, the pattern allow the Debugging message for the system of checking and carry out comprehensive functional configuration test.The latter need not be to system
Develop debugging function, it is only necessary into user model.
In the prior art, only there is user model after embedded device complete machine assembles, for the tune of embedded system
Mouth of trying has been enclosed, if the follow-up debugging demand having to embedded system, it usually needs take embedded device apart, very
It is inconvenient.Therefore, it is necessary to a kind of pattern switching scheme is provided for embedded device, it is convenient to develop test maintaining personnel to
The embedded device assembled through complete machine carries out debugging test.
The content of the invention
The purpose of the present invention is to provide a kind of pattern switching scheme for embedded device, convenient to develop test maintaining personnel
Debugging test is carried out to the embedded device that complete machine assembles.
According to the first aspect of the invention, there is provided a kind of mode switching method of embedded device, the equipment include
The first interface that is connected with the embeded processor of the equipment, second interface and on-off circuit exposed to device external,
The first interface and the second interface are same type of interfaces；It the described method comprises the following steps：
Order in response to switching to engineering mode, mode flags position is arranged to engineering mode mark；
Be arranged to engineering mode mark in response to the mode flags position, by the equipment switch to engineering mode and
The on-off circuit is switched to the debugging interface for connecting the second interface and the embeded processor；
And/or
Order in response to switching to user model, mode flags position is arranged to user model mark；
Be arranged to user model mark in response to the mode flags position, by the equipment switch to user model and
The on-off circuit is switched to and connects the first interface and the second interface.
Alternatively, methods described is further comprising the steps of：
Starting logo position is initialized as starting shooting when the equipment starts and does not complete mark, mode flags position is initialized as
User model mark；Wherein, the equipment is configured as in the state of not completing mark in the starting logo position for start, is prohibited
Only the mode flags position is arranged to engineering mode mark；And
During the equipment start completion, the starting logo position is arranged to complement mark of starting shooting.
Alternatively, the on-off circuit includes first switch circuit and second switch circuit, the first interface and described
Second interface is USB interface；
The first end of the first switch circuit is connected with the D+ pins of the second interface, the second switch circuit
First end is connected with the D- pins of the second interface；
It is described that the on-off circuit is switched to the debugging interface for connecting the second interface and the embeded processor,
Including：Second end of the first switch circuit is switched to and connected with the debugging output/input interface of the embeded processor
Connect, the second end of the second switch circuit is switched to and is connected with the debugging input/output interface of the embeded processor；
Described switch to the on-off circuit connects the first interface and the second interface, including：By described
Second end of one on-off circuit switches to be connected with the D+ pins of the first interface, by the second end of the second switch circuit
Switch to and be connected with the D- pins of the first interface.
Alternatively, the on-off circuit includes first switch circuit and second switch circuit, the first interface and described
Second interface is audio input interface；
The first end of the first switch circuit is connected with the left channel pin of the second interface, the second switch electricity
The first end on road is connected with the right channel pin of the second interface；
It is described that the on-off circuit is switched to the debugging interface for connecting the second interface and the embeded processor,
Including：Second end of the first switch circuit is switched to and connected with the debugging output/input interface of the embeded processor
Connect, the second end of the second switch circuit is switched to and is connected with the debugging input/output interface of the embeded processor；
Described switch to the on-off circuit connects the first interface and the second interface, including：By described
Second end of one on-off circuit switches to the left channel pin with the first interface to be connected, by the of the second switch circuit
Two ends switch to the right channel pin with the first interface to be connected.
Alternatively, the order for switching to engineering mode and/or the order for switching to user model are by outer
Portion's keypad is inputted to the equipment；Or the equipment described in the infrared remote receiver reception of itself by switching to stage die
The order of formula and/or the order for switching to user model；Or the order for switching to engineering mode and/or described
The order for switching to user model is the audio stream of particular form, and the equipment passes through described in the audio input interface reception of itself
Switch to the order and/order described or that switch to user model of engineering mode.
According to the second aspect of the invention, there is provided a kind of embedded device, the equipment include embedding with the equipment
Enter formula processor connection first interface, second interface and on-off circuit exposed to device external, the first interface and
The second interface is same type of interface；The equipment also includes mode flags position setup module and pattern switching control mould
Block；
Mode flags position setup module, for the order in response to switching to engineering mode, mode flags position is set
It is set to engineering mode mark；And/or for the order in response to switching to user model, mode flags position is arranged to user
Mode flags；
The pattern switching control module, will for being arranged to engineering mode mark in response to the mode flags position
The equipment, which switches to engineering mode and switches to the on-off circuit, connects the second interface and the embedded place
Manage the debugging interface of device；And/or for being arranged to user model mark in response to the mode flags position, by the equipment
Switch to user model and switch to the on-off circuit and connect the first interface and the second interface.
Alternatively, the equipment also includes starting logo position setup module；
Starting logo position setup module, for starting logo position to be initialized as into start not when the equipment starts
Complement mark, and the starting logo position is arranged to complement mark of starting shooting in the equipment start completion；Wherein, it is described
Equipment is configured as in the state of not completing mark in the starting logo position for start, forbids the mode flags position to be set
For engineering mode mark；
Mode flags position setup module, it is additionally operable to that mode flags position is initialized as into user when the equipment starts
Mode flags.
Alternatively, the on-off circuit includes first switch circuit and second switch circuit, the first interface and described
Second interface is USB interface；
The first end of the first switch circuit is connected with the D+ pins of the second interface, the second switch circuit
First end is connected with the D- pins of the second interface；
The on-off circuit is switched to the connection second interface and described embedded by the pattern switching control module
The debugging interface of processor, including：Second end of the first switch circuit is switched to the tune with the embeded processor
Output/input interface connection is tried, the second end of the second switch circuit is switched to the debugging with the embeded processor
Input/output interface connects；
The on-off circuit is switched to the connection first interface and described second to connect by the pattern switching control module
Mouthful, including：Second end of the first switch circuit is switched to and is connected with the D+ pins of the first interface, by described second
Second end of on-off circuit switches to be connected with the D- pins of the first interface.
Alternatively, the on-off circuit includes first switch circuit and second switch circuit, the first interface and described
Second interface is audio input interface；
The first end of the first switch circuit is connected with the left channel pin of the second interface, the second switch electricity
The first end on road is connected with the right channel pin of the second interface；
The on-off circuit is switched to the connection second interface and described embedded by the pattern switching control module
The debugging interface of processor, including：Second end of the first switch circuit is switched to the tune with the embeded processor
Output/input interface connection is tried, the second end of the second switch circuit is switched to the debugging with the embeded processor
Input/output interface connects；
The on-off circuit is switched to the connection first interface and described second to connect by the pattern switching control module
Mouthful, including：The left channel pin with the first interface is switched to be connected at the second end of the first switch circuit, by described in
Second end of second switch circuit switches to the right channel pin with the first interface to be connected.
Alternatively, the order for switching to engineering mode and/or the order for switching to user model are by outer
Portion's keypad is inputted to the equipment；Or the equipment described in the infrared remote receiver reception of itself by switching to stage die
The order of formula and/or the order for switching to user model；Or the order for switching to engineering mode and/or described
The order for switching to user model is the audio stream of particular form, and the equipment passes through described in the audio input interface reception of itself
Switch to the order and/order described or that switch to user model of engineering mode.
The pattern switching scheme of embedded device provided by the invention, it can be carried out between user model and engineering mode
Switching, convenient exploitation test maintaining personnel carry out debugging test to the embedded device that complete machine assembles.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
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 shows the block diagram for the embedded device that first embodiment of the invention provides；
Fig. 2 shows the block diagram for the embedded device that second embodiment of the invention provides；
Fig. 3 shows the connection diagram of the on-off circuit of embedded device provided in an embodiment of the present invention；
Fig. 4 shows the connection diagram of the on-off circuit of embedded device provided in an embodiment of the present invention；
Fig. 5 shows that embedded device provided in an embodiment of the present invention switches to the schematic flow sheet of engineering mode；
Fig. 6 shows that embedded device provided in an embodiment of the present invention switches to the schematic flow sheet of user model；
Fig. 7 shows the block diagram of the hardware configuration of embedded device provided in an embodiment of the present invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
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, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
<Embedded device>
With reference to shown in figure 1, illustrate the embedded device that first embodiment of the invention provides：Embedded device 100 include with
The first interface 1 of the embeded processor connection of embedded device 100, the second interface outside embedded device 100
2 and on-off circuit 4, first interface 1 and second interface 2 are same type of interfaces.Embedded device 100 also includes pattern
Flag bit setup module 6 and pattern switching control module 5.
Mode flags position setup module 6, for the order in response to switching to engineering mode, mode flags position is arranged to
Engineering mode mark.Pattern switching control module 5, will be embedding for being arranged to engineering mode mark in response to mode flags position
Enter the tune that formula equipment 100 switches to engineering mode and on-off circuit 4 is switched to connection second interface 2 and embeded processor
Try mouth 3 so that technical staff can access debugging interface 3 by second interface 2, and what complete machine was assembled embedded sets
Standby 100 carry out debugging test.
Mode flags position setup module 6, is additionally operable to the order in response to switching to user model, and mode flags position is set
For user model mark.Pattern switching control module 5, it is additionally operable to be arranged to user model mark in response to mode flags position,
Embedded device 100 is switched into user model and on-off circuit 4 is switched into connection first interface 1 and second interface 2, is made
Obtain embedded device 100 and switch back into user model from engineering mode.
With reference to shown in figure 2, illustrate second embodiment of the invention provide embedded device, and first embodiment provide it is embedding
Enter formula equipment to compare, the embedded device 100 that second embodiment provides also includes starting logo position setup module 7.
Starting logo position setup module 7, for being initialized as starting shooting by starting logo position when embedded device 100 starts
Mark is not completed, and starting logo position is arranged to complement mark of starting shooting in 100 start completion of embedded device.It is embedded
Equipment 100 is configured as in the state of not completing mark in starting logo position for start, and prohibited mode flag bit is arranged to work
Journey mode flags.
Mode flags position setup module 6, it is additionally operable to be initialized as using by mode flags position when embedded device 100 starts
Family mode flags, i.e. embedded device 100 can all be arranged to user model when starting shooting every time.
Because embedded device 100 is configured as the prohibited mode in the state of the unfinished mark of start is in starting logo position
Flag bit is arranged to engineering mode mark, and embedded device 100 can switch to engineering mode after the completion of only starting shooting, main
Syllabus is the initialization for protecting each module in start process, and prevents that switch mode brings problem in start process.
In the embedded device that above-described embodiment provides, judge it is user model or stage die by mode flags position
Formula, if under engineering mode, then open Debugging message and test function.If in the user mode, then only providing makes
With function, not open Debugging message and test function.
<On-off circuit>
With reference to shown in figure 3, illustrate that the connection of the on-off circuit for the embedded device that one embodiment of the present of invention provides is shown
It is intended to.
On-off circuit includes first switch circuit 31 and second switch circuit 32, and first interface and second interface connect for USB
Mouthful.
The first end of first switch circuit 31 is connected with the D+ pins of secondary USB interface 21, and the of second switch circuit 32
One end is connected with the D- pins of secondary USB interface 21.
It is arranged to engineering mode mark in response to the mode flags position, pattern switching control module is by embedded device
Engineering mode is switched to, and the second end of first switch circuit 31 is switched into the debugging input interface with embeded processor
RX connections, the second end of second switch circuit 32 is switched to and is connected with the debugging output interface TX of embeded processor.Certainly,
Second end of first switch circuit 31 can also be switched to and be connected with the debugging output interface TX of embeded processor, by second
Second end of on-off circuit 32 switches to be connected with the debugging input interface RX of embeded processor.By above-mentioned switching so that
Technical staff can access debugging input interface RX and debugging output interface TX by secondary USB interface 21, to complete machine group
The embedded device installed carries out debugging test.
It is arranged to user model mark in response to the mode flags position, pattern switching control module is by embedded device
User model is switched to, and switches to the D+ pins with the first usb 11 to be connected at the second end of first switch circuit 31,
The D- pins with the first usb 11 are switched to be connected at the second end of the circuit of second switch 32.
With reference to shown in figure 4, illustrate that the connection of the on-off circuit for the embedded device that one embodiment of the present of invention provides is shown
It is intended to.
On-off circuit includes first switch circuit 31 and second switch circuit 32, and first interface and second interface are that audio is defeated
Incoming interface.
The first end of first switch circuit 31 is connected with the left channel pin of the second audio input interface 22, second switch electricity
The first end on road 31 is connected with the right channel pin of the second audio input interface 22.
It is arranged to engineering mode mark in response to the mode flags position, pattern switching control module is by embedded device
Engineering mode is switched to, and the second end of first switch circuit 31 is switched into the debugging input interface with embeded processor
RX connections, the second end of second switch circuit 32 is switched to and is connected with the debugging output interface TX of embeded processor.Certainly,
Second end of first switch circuit 31 can also be switched to and be connected with the debugging output interface TX of embeded processor, by second
Second end of on-off circuit 32 switches to be connected with the debugging input interface RX of embeded processor.By above-mentioned switching so that
Technical staff can access debugging input interface RX and debugging output interface TX by the second audio input interface 22, to whole
The embedded device 100 that machine assembles carries out debugging test.
It is arranged to user model mark in response to the mode flags position, pattern switching control module is by embedded device
User model is switched to, and the second end of first switch circuit 31 is switched into the L channel with the first audio input interface 12
Pin connects, and switches to the right channel pin with the first audio input interface 12 to be connected at the second end of second switch circuit 32.
<Mode handover command receives mode>
In the above-described embodiments, embedded device can receive the pattern switching life of user's input by following three kinds of modes
Order：
First way：The order for switching to engineering mode and/or the order for switching to user model be by outside by
Keypad is inputted to embedded device.Keypad is connected with embedded device, and specific non-functional key or specific is defined in keypad
Macintosh is as mode handover command.In the state of embedded device is in user model, specific non-functional key or spy are pressed
When determining Macintosh, embedded device switches to engineering mode and second interface is connected with debugging interface so that technical staff can
Debugging test is carried out to the embedded device that complete machine assembles to access debugging interface by second interface；When user again
Specific non-functional key or particular combination key are pressed, embedded device switches to user model and second interface connects with first interface
Connect, second interface recovers the function of its script.
The second way：Embedded device by itself infrared remote receiver receive switch to engineering mode order and/
Or switch to the order of user model.Common IR remote controller coding range is 0~255, the volume that distant control function uses in itself
Code is no so much, and technical staff can set specific coding in vacant coding and be used as switching command, embedded device
The mode handover command of IR remote controller transmission is received by the infrared remote receiver of itself.
The third mode：The order for switching to engineering mode and/or the order for switching to user model are particular forms
Audio stream, embedded device is received by the audio input interface of itself to be switched to the order of engineering mode and/or switches to use
The order of family pattern.
<The mode switching method of embedded device>
Referring to the mode switching method for shown in Fig. 5 and Fig. 6, illustrating offer embedded device of the embodiment of the present invention：
Embedded device electrifying startup, perform step 801, embedded system initialization；By starting logo position
SystemOkFlag is initialized as 0, SystemOkFlag=0 and represents that start does not complete；Mode flags position ModelFlag is initial
Turn to 0, ModelFlag=0 and represent user model.
After initialization is completed, step 802 is performed, starting logo position SystemOkFlag is arranged to 1,
SystemOkFlag=1 represents that start is completed.
Step 803, system detects starting logo position SystemOkFlag in real time, if SystemOkFlag=0, shields
Switch to the order of engineering mode.
Step 804, in the state of SystemOkFlag=1, detect whether to receive the order for switching to engineering mode.
System is in the state of starting logo position SystemOkFlag is 1, if receiving the life for switching to engineering mode
Order, then step 805 is performed, mode flags position ModelFlag is arranged into 1, ModelFlag=1 represents engineering mode.
It is arranged to 1 in response to mode flags position ModelFlag, performs step 806, embedded device 1 switches to engineering
Pattern and on-off circuit switch to the debugging interface of connection second interface and embeded processor.
In the state of embedded device is in engineering mode, step 901, which detects whether to receive, switches to user model
Order.If receiving the order for switching to user model, step 902 is performed, mode flags position ModelFlag is set
For 0.It is arranged to 0 in response to mode flags position ModelFlag, performs step 903, embedded device switches to user model simultaneously
And on-off circuit switches to connection first interface and second interface, second interface to recover the function of its script.
The embodiments of the invention provide a kind of mode switching method of embedded device, the equipment includes and the equipment
Embeded processor connection first interface, second interface and on-off circuit exposed to device external, described first connects
Mouth and the second interface are same type of interfaces；It the described method comprises the following steps：In response to switching to engineering mode
Order, engineering mode mark is arranged to by mode flags position；It is arranged to engineering mode mark in response to the mode flags position,
The equipment is switched into engineering mode and the on-off circuit is switched into the connection second interface and described embedded
The debugging interface of processor；And/or in response to switching to the order of user model, mode flags position is arranged to user model
Mark；It is arranged to user model mark in response to the mode flags position, the equipment is switched into user model and incited somebody to action
The on-off circuit, which switches to, connects the first interface and the second interface.
In a specific example, methods described is further comprising the steps of：By starting logo position when the equipment starts
It is initialized as starting shooting and does not complete mark, mode flags position is initialized as user model mark；Wherein, the equipment is configured as
In the state of not completing mark in the starting logo position for start, the mode flags position is forbidden to be arranged to engineering mode mark
Will；And during the equipment start completion, the starting logo position is arranged to complement mark of starting shooting.
In a specific example, the on-off circuit includes first switch circuit and second switch circuit, and described
One interface and the second interface are USB interface；The first end of the first switch circuit and the D+ pins of the second interface
Connection, the first end of the second switch circuit are connected with the D- pins of the second interface；It is described to cut the on-off circuit
The debugging interface for connecting the second interface and the embeded processor is changed to, including：By the of the first switch circuit
Two ends switch to be connected with the debugging output/input interface of the embeded processor, by the second of the second switch circuit
End switches to be connected with the debugging input/output interface of the embeded processor；It is described that the on-off circuit is switched into company
The first interface and the second interface are connect, including：Second end of the first switch circuit is switched to and described first
The D+ pins connection of interface, the second end of the second switch circuit is switched to and is connected with the D- pins of the first interface.
In a specific example, the on-off circuit includes first switch circuit and second switch circuit, and described
One interface and the second interface are audio input interface；The first end of the first switch circuit and a left side for the second interface
Sound channel pin is connected, and the first end of the second switch circuit is connected with the right channel pin of the second interface；It is described by institute
State on-off circuit and switch to the debugging interface for connecting the second interface and the embeded processor, including：By described first
Second end of on-off circuit switches to be connected with the debugging output/input interface of the embeded processor, and described second is opened
Second end on powered-down road switches to be connected with the debugging input/output interface of the embeded processor；It is described by the switch
Circuit, which switches to, connects the first interface and the second interface, including：Second end of the first switch circuit is switched
To be connected with the left channel pin of the first interface, the second end of the second switch circuit is switched to and connect with described first
The right channel pin connection of mouth.
In a specific example, the order for switching to engineering mode and/or the user model that switches to
Order is to be inputted by external key plate to the equipment.
In a specific example, the equipment described in the infrared remote receiver reception of itself by switching to engineering mode
Order and/or the order for switching to user model.
In a specific example, the order for switching to engineering mode and/or the user model that switches to
Order is the audio stream of particular form, and the equipment described in the audio input interface reception of itself by switching to engineering mode
Order and/order described or that switch to user model.
<Embedded device>
To those skilled in the art, can be real by way of hardware mode, software mode or software and hardware combining
The mode switching method of existing foregoing embedded device.Based on same inventive concept, the insertion of the embodiment of the present invention is introduced with reference to figure 7
Formula equipment, to perform previous mode switching method.
Fig. 7 is the block diagram for the example for showing the hardware configuration available for the embedded device for realizing embodiments of the invention.
Embedded device 300 includes embeded processor 3010, memory 3020, interface arrangement 3030, communicator 3040, display dress
Put 3050, input unit 3060, loudspeaker 3070, microphone 3080, etc..Embedded device 300 also includes and embedded place
Manage first interface, the second interface and and embedded processing exposed to the device external of embedded device 300 that device 3010 connects
The on-off circuit that device 3010 connects, it is not shown in Fig. 7.
Memory 3020 is used for store instruction, and described instruct is operated for control processor 3010 to perform before
The mode switching method described in any one is stated, including：Order in response to switching to engineering mode, mode flags position is arranged to
Engineering mode mark；It is arranged to engineering mode mark in response to the mode flags position, the equipment is switched into stage die
Formula and the debugging interface that the on-off circuit is switched to the connection second interface and the embeded processor；And/or
Order in response to switching to user model, mode flags position is arranged to user model mark；In response to the mode flags
Position is arranged to user model mark, and the equipment is switched into user model and the on-off circuit is switched into connection institute
State first interface and the second interface.
Interface arrangement 3030 is such as including USB interface, earphone interface.Communicator 3040 can for example carry out it is wired or
Radio communication.Display device 3050 is, for example, LCDs, touch display screen etc..Input unit 3060 can for example include touching
Touch screen, keyboard etc..User can pass through loudspeaker 3070 and the inputting/outputting voice information of microphone 3080.
Embedded device shown in Fig. 7 is only explanatory, and is never intended to the limitation present invention, its application or uses
On the way.It will be appreciated by those skilled in the art that although figure 7 illustrates multiple devices, still, the present invention can only relate to wherein
Partial devices.Those skilled in the art can instruct according to presently disclosed conceptual design, instruction how control processor
It is techniques well known to carry out operation, therefore is not described in detail herein.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
But make it will be clear for those skilled in the art that the various embodiments described above can be used alone or be combined with each other as needed
With.In addition, for device embodiment, because it is corresponding with embodiment of the method, so describe fairly simple, it is related
Part referring to the corresponding part of embodiment of the method explanation.System embodiment described above is only schematical,
It is not physically separate that the module wherein illustrated as separating component, which can be or may also be,.
In addition, the flow chart and block diagram in accompanying drawing show system, method and the meter of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of calculation machine program product.At this point, each square frame in flow chart or block diagram
Can represent a part for a module, program segment or code, the part of the module, program segment or code include one or
Multiple executable instructions for being used to realize defined logic function.It should also be noted that some as replace realization in, square frame
Middle marked function can also be with different from the order marked in accompanying drawing generation.For example, two continuous square frames are actually
It can perform substantially in parallel, they can also be performed in the opposite order sometimes, and this is depending on involved function.Also to note
Meaning, the combination of each square frame and block diagram in block diagram and/or flow chart and/or the square frame in flow chart can be with holding
Function as defined in row or the special hardware based system of action are realized, or can use specialized hardware and computer instruction
Combination realize.
The computer program product that the embodiment of the present invention is provided, including store the computer-readable storage of program code
Medium, the instruction that described program code includes can be used for performing the method described in previous methods embodiment, and specific implementation can be joined
See embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.Device embodiment described above is only schematical, for example, the division of the unit,
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The mutual coupling of opinion or direct-coupling or communication connection can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be 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 causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present 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 and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.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, is then not required in subsequent accompanying drawing
It is further defined and explained.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope of the invention.The model of the present invention
Enclose and be defined by the following claims.
Claims (10)
1. a kind of mode switching method of embedded device, it is characterised in that the equipment includes embedded with the equipment
The first interface of processor connection, second interface and on-off circuit exposed to device external, the first interface and described
Second interface is same type of interface；It the described method comprises the following steps：
Order in response to switching to engineering mode, mode flags position is arranged to engineering mode mark；
It is arranged to engineering mode mark in response to the mode flags position, the equipment is switched into engineering mode and by institute
State on-off circuit and switch to the debugging interface for connecting the second interface and the embeded processor；
And/or
Order in response to switching to user model, mode flags position is arranged to user model mark；
It is arranged to user model mark in response to the mode flags position, the equipment is switched into user model and by institute
State on-off circuit and switch to the connection first interface and the second interface.
2. according to the method for claim 1, it is characterised in that methods described is further comprising the steps of：
Starting logo position is initialized as starting shooting when the equipment starts and does not complete mark, mode flags position is initialized as user
Mode flags；Wherein, the equipment is configured as in the state of not completing mark in the starting logo position for start, forbids institute
State mode flags position and be arranged to engineering mode mark；And
During the equipment start completion, the starting logo position is arranged to complement mark of starting shooting.
3. according to the method for claim 1, it is characterised in that the on-off circuit is opened including first switch circuit and second
Powered-down road, the first interface and the second interface are USB interface；
The first end of the first switch circuit is connected with the D+ pins of the second interface, and the first of the second switch circuit
End is connected with the D- pins of the second interface；
It is described that the on-off circuit is switched to the debugging interface for connecting the second interface and the embeded processor, bag
Include：Second end of the first switch circuit is switched to and is connected with the debugging output/input interface of the embeded processor,
Second end of the second switch circuit is switched to and is connected with the debugging input/output interface of the embeded processor；
Described switch to the on-off circuit connects the first interface and the second interface, including：Described first is opened
Second end on powered-down road switches to be connected with the D+ pins of the first interface, and the second end of the second switch circuit is switched
It is connected for the D- pins with the first interface.
4. according to the method for claim 1, it is characterised in that the on-off circuit is opened including first switch circuit and second
Powered-down road, the first interface and the second interface are audio input interface；
The first end of the first switch circuit is connected with the left channel pin of the second interface, the second switch circuit
First end is connected with the right channel pin of the second interface；
It is described that the on-off circuit is switched to the debugging interface for connecting the second interface and the embeded processor, bag
Include：Second end of the first switch circuit is switched to and is connected with the debugging output/input interface of the embeded processor,
Second end of the second switch circuit is switched to and is connected with the debugging input/output interface of the embeded processor；
Described switch to the on-off circuit connects the first interface and the second interface, including：Described first is opened
Second end on powered-down road switches to the left channel pin with the first interface to be connected, by the second end of the second switch circuit
The right channel pin with the first interface is switched to be connected.
5. according to the method described in claim any one of 1-4, it is characterised in that the order for switching to engineering mode and/
Or the order for switching to user model is to be inputted by external key plate to the equipment；Or the equipment passes through certainly
The infrared remote receiver of body switches to the order of engineering mode and/or the order for switching to user model described in receiving；Or
The order for switching to engineering mode and/or it is described switch to user model order be particular form audio stream, it is described
Equipment by the audio input interface of itself receive described in switch to engineering mode order and/it is described or switch to user model
Order.
6. a kind of embedded device, it is characterised in that the equipment includes the be connected with the embeded processor of the equipment
One interface, second interface and on-off circuit exposed to device external, the first interface and the second interface are of the same race
The interface of type；The equipment also includes mode flags position setup module and pattern switching control module；
Mode flags position setup module, for the order in response to switching to engineering mode, mode flags position is arranged to
Engineering mode mark；And/or for the order in response to switching to user model, mode flags position is arranged to user model
Mark；
The pattern switching control module, for being arranged to engineering mode mark in response to the mode flags position, by described in
Equipment, which switches to engineering mode and switches to the on-off circuit, connects the second interface and the embeded processor
Debugging interface；And/or for being arranged to user model mark in response to the mode flags position, the equipment is switched
For user model and the on-off circuit is switched to and connect the first interface and the second interface.
7. equipment according to claim 6, it is characterised in that the equipment also includes starting logo position setup module；
Starting logo position setup module, do not completed for starting logo position to be initialized as into start when the equipment starts
Mark, and the starting logo position is arranged to complement mark of starting shooting in the equipment start completion；Wherein, the equipment
It is configured as in the state of not completing mark in the starting logo position for start, forbids the mode flags position to be arranged to work
Journey mode flags；
Mode flags position setup module, it is additionally operable to that mode flags position is initialized as into user model when the equipment starts
Mark.
8. equipment according to claim 6, it is characterised in that the on-off circuit is opened including first switch circuit and second
Powered-down road, the first interface and the second interface are USB interface；
The first end of the first switch circuit is connected with the D+ pins of the second interface, and the first of the second switch circuit
End is connected with the D- pins of the second interface；
The on-off circuit is switched to and connects the second interface and the embedded processing by the pattern switching control module
The debugging interface of device, including：Second end of the first switch circuit is switched to defeated with the debugging of the embeded processor
Go out/input interface connection, by the second end of the second switch circuit switch to the debugging of the embeded processor input/
Output interface connects；
The pattern switching control module, which switches to the on-off circuit, connects the first interface and the second interface, bag
Include：Second end of the first switch circuit is switched to and is connected with the D+ pins of the first interface, by the second switch
Second end of circuit switches to be connected with the D- pins of the first interface.
9. equipment according to claim 6, it is characterised in that the on-off circuit is opened including first switch circuit and second
Powered-down road, the first interface and the second interface are audio input interface；
The first end of the first switch circuit is connected with the left channel pin of the second interface, the second switch circuit
First end is connected with the right channel pin of the second interface；
The on-off circuit is switched to and connects the second interface and the embedded processing by the pattern switching control module
The debugging interface of device, including：Second end of the first switch circuit is switched to defeated with the debugging of the embeded processor
Go out/input interface connection, by the second end of the second switch circuit switch to the debugging of the embeded processor input/
Output interface connects；
The pattern switching control module, which switches to the on-off circuit, connects the first interface and the second interface, bag
Include：The left channel pin with the first interface is switched to be connected at the second end of the first switch circuit, by described second
Second end of on-off circuit switches to the right channel pin with the first interface to be connected.
10. equipment according to claim 6, it is characterised in that the order for switching to engineering mode and/or described cut
The order for being changed to user model is to be inputted by external key plate to the equipment；Or the equipment passes through the infrared of itself
Receiver switches to the order of engineering mode and/or the order for switching to user model described in receiving；Or the switching
Order for engineering mode and/or it is described switch to user model order be particular form audio stream, the equipment passes through
Itself audio input interface switches to the order and/order described or that switch to user model of engineering mode described in receiving.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742556.1A CN107656513A (en) | 2017-08-25 | 2017-08-25 | The mode switching method and embedded device of embedded device |
| PCT/CN2017/102761 WO2019037188A1 (en) | 2017-08-25 | 2017-09-21 | METHOD FOR MODE SWITCHING AN INTEGRATED DEVICE AND INTEGRATED DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742556.1A CN107656513A (en) | 2017-08-25 | 2017-08-25 | The mode switching method and embedded device of embedded device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656513A true CN107656513A (en) | 2018-02-02 |
Family
ID=61128704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742556.1A Pending CN107656513A (en) | 2017-08-25 | 2017-08-25 | The mode switching method and embedded device of embedded device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107656513A (en) |
| WO (1) | WO2019037188A1 (en) |
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| US10977026B2 (en) | 2018-11-20 | 2021-04-13 | Pegatron Corporation | Data updating system, embedded electronic device and data updating method |
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| CN111533096B (en) | 2020-05-27 | 2020-11-10 | 中钢集团南京新材料研究院有限公司 | Black phosphorus nanosheet and preparation method and application thereof |
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Also Published As
| Publication number | Publication date |
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| WO2019037188A1 (en) | 2019-02-28 |
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