CN105048018B - The charging method and device of a kind of terminal with data exchanging function - Google Patents
The charging method and device of a kind of terminal with data exchanging function Download PDFInfo
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- CN105048018B CN105048018B CN201510528508.3A CN201510528508A CN105048018B CN 105048018 B CN105048018 B CN 105048018B CN 201510528508 A CN201510528508 A CN 201510528508A CN 105048018 B CN105048018 B CN 105048018B
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- 230000000875 corresponding Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 210000004209 Hair Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The embodiment of the invention discloses a kind of charging method of terminal with data exchanging function and device, the charging method includes：If the USB interface of the terminal is connected with data exchange OTG patchcords, detect whether the power pins of the USB interface of the terminal receive voltage signal；If so, the terminal is switched into execution equipment charge access module and the terminal charge is controlled；If it is not, then detecting the magnitude of voltage of the identified pins of the USB interface of the terminal, and perform corresponding control.Whether the present invention receives voltage signal by the power pins for the USB interface for detecting terminal, judge terminal switching to execution equipment charge access module with this, or the magnitude of voltage of the identified pins of the USB interface of terminal is detected to perform corresponding control, the problem of terminal can not be charged by OTG patchcords in the prior art is solved.
Description
Technical field
The present invention relates to the charging method and dress of charging technique, more particularly to a kind of terminal with data exchanging function
Put.
Background technology
Variation and the demand of high-speed transfer with ancillary equipment, data exchange (On-The-Go, OTG) function is in electricity
Using also more and more extensively, OTG will be increasingly becoming the basic configuration function of future electronic product in sub- terminal device.
By taking mobile phone terminal as an example, the schematic diagram of the USB interface of the mobile phone provided as shown in Figure 1 for prior art, the USB connects
Mouth has grounding pin GND, identified pins ID, positive voltage data pin D+, negative voltage data pin D- and power pins VBUS.
Mobile phone for supporting OTG functions, when the USB interface connection of OTG patchcords and mobile phone, mobile phone performs data exchange and accesses mould
The VBUS pins output 5V voltages of formula, now mobile phone USB interface, terminal carries out the detection and knowledge of OTG equipment by OTG patchcords
Not.When terminal has detected OTG equipment by OTG patchcords accesses mobile phone, the mobile phone in data exchange access module is known
Not the OTG equipment and with the OTG equipment carry out data exchange communications.
It follows that existing OTG patchcords are only as the data wire of the external OTG equipment of terminal access, for terminal with
, there is the single defect of function in the connection and communication of OTG equipment.When external power supply is connected by OTG patchcords with terminal, due to
ID pins in OTG patchcords are connected with GND pin, the ID pins ground connection of corresponding mobile phone, therefore terminal is in data exchange
Access module, then terminal can not be charged by OTG patchcords, thus reduce the convenient degree of Consumer's Experience.
The content of the invention
The present invention provides the charging method and device of a kind of terminal with data exchanging function, to solve in the prior art
The problem of terminal can not be charged by OTG patchcords.
In a first aspect, the embodiments of the invention provide a kind of charging method of the terminal with data exchanging function, including：
If the USB interface of the terminal is connected with data exchange OTG patchcords, the USB interface of the terminal is detected
Power pins whether receive voltage signal；
If so, the terminal is switched into execution equipment charge access module and the terminal charge is controlled；
If it is not, then detecting the magnitude of voltage of the identified pins of the USB interface of the terminal, and perform corresponding control.
Second aspect, the embodiment of the present invention additionally provides a kind of charging device of the terminal with data exchanging function, bag
Include：
Power pins detection module, transfers for the general-purpose serial bus USB interface when the terminal and data exchange OTG
When line is connected, detect whether the power pins of the USB interface of the terminal receive voltage signal；
Access module handover module, for receiving voltage letter when the power pins for the USB interface for detecting the terminal
Number when, the terminal is switched into execution equipment charge access module and the terminal charge is controlled；
Identified pins detection module, for not receiving voltage when the power pins for the USB interface for detecting the terminal
During signal, the magnitude of voltage of the identified pins of the USB interface of the terminal is detected, and perform corresponding control.
The charging method and device for a kind of terminal with data exchanging function that the present invention is provided, by the terminal
General-purpose serial bus USB interface when being connected with data exchange OTG patchcords, detect that the power supply of the USB interface of the terminal draws
Whether pin receives voltage signal；When detect receive voltage signal when, by terminal switch to execution equipment charge access mould
Formula and control terminal charging；If being not received by voltage signal, the voltage of the identified pins of the USB interface of terminal is detected
Value, and perform corresponding control.The present invention believes by the way that whether the power pins for the USB interface for detecting the terminal receive voltage
Number, judge terminal switching to execution equipment charge access module with this, or the identified pins to the USB interface of terminal electricity
Pressure value is detected to perform corresponding control.The present invention, which solves terminal in the prior art, to be filled by OTG patchcords
Electric the problem of.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to do one simply to introduce, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
The schematic diagram of the USB interface for the mobile phone that Fig. 1 provides for prior art；
Fig. 2 is a kind of flow of the charging method for terminal with data exchanging function that the embodiment of the present invention one is provided
Figure；
Fig. 3 is a kind of flow of the charging method for terminal with data exchanging function that the embodiment of the present invention two is provided
Figure；
Fig. 4 is a kind of signal of the charging device for terminal with data exchanging function that the embodiment of the present invention three is provided
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, technical scheme is clearly and completely described by embodiment, it is clear that described embodiment is the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
From prior art, when the USB interface of terminal is inserted in OTG patchcords, terminal is in data exchange and accesses mould
Formula, now the power pins of the USB interface of terminal can export 5V voltages, cause terminal not charge.
Embodiment one
Fig. 2 is a kind of flow of the charging method for terminal with data exchanging function that the embodiment of the present invention one is provided
Figure, the technical scheme of the embodiment is applicable to the terminal with OTG functions and connects external power supply to carry out by OTG patchcords
The situation of charging.Terminal can be any electronic equipment with OTG functions, such as mobile phone, tablet personal computer.This method can be with
Performed by the charging device of the terminal with OTG functions, the device can be realized by the way of software and/or hardware, be matched somebody with somebody
Put and perform in the terminal.As shown in Fig. 2 the charging method should with the terminal of data exchanging function includes following operation：
If S110, the USB interface of the terminal are connected with data exchange OTG patchcords, the USB of the terminal is detected
Whether the power pins of interface receive voltage signal.
The USB interface of known terminal has grounding pin GND, identified pins ID, positive voltage data pin D+, negative voltage number
According to pin D- and power pins VBUS.When the USB interface of terminal has OTG patchcords insertion, compulsory test terminal USB connects first
Whether the power pins VBUS of mouth receives voltage signal, using the foundation as switching terminal access module.
This step is entered by the way that whether the power pins of the USB interface of terminal are received to voltage signal as pressure terminal
The basis for estimation of charged state, forces terminal to switch to when receiving voltage signal with the power pins in the USB interface of terminal
Perform equipment charge access module.
If S120, receiving voltage signal, the terminal is switched into execution equipment charge access module and institute is controlled
State terminal charge.
When detecting the power pins of USB interface of terminal and receiving voltage signal, terminal is now switched into execution
Equipment charge access module, to realize terminal charge.When OTG patchcords are by external power supply access terminal, in equipment charge
The terminal of access module can be charged by OTG patchcords.Terminal after insertion OTG patchcords is so avoided to be in all the time
Data exchange access module causes the situation that terminal can not charge.
In this step, as long as the power pins for detecting the USB interface of terminal receive voltage signal, then terminal is forced to be cut
Equipment charge access module is changed to, so that OTG patchcords may be used as the connecting line that power-supply device is charged to terminal,
It can be charged when power-supply device is by OTG patchcord access terminals.
If S130, being not received by voltage signal, the voltage of the identified pins of the USB interface of the terminal is detected
Value, and perform corresponding control.
When detecting the power pins of USB interface of terminal and being not received by voltage signal, to the mark of terminal USB interface
The magnitude of voltage for knowing pin is detected, to be judged whether terminal switching to data exchange access module according to testing result.
The charging method of a kind of terminal with data exchanging function provided in an embodiment of the present invention, by the terminal
USB interface when being connected with OTG patchcords, detect whether the power pins of the USB interface of terminal receive voltage signal, and
Judge terminal switching to execution equipment charge access module when receiving voltage signal；Or power supply signal is not being received
When, the magnitude of voltage of the identified pins of the USB interface of terminal is detected, accessed with further determining whether to perform data exchange
Pattern.The present invention solves the problem of terminal can not be charged by OTG patchcords in the prior art, and realizes terminal
Switching between equipment charge access module and data switched access pattern, has expanded the function of OTG patchcords.
Embodiment two
Fig. 3 is a kind of flow chart for terminal charging method with data exchanging function that the embodiment of the present invention two is provided.
This method can be performed by the charging device of the terminal with OTG functions, and the device can use the side of software and/or hardware
Formula realizes that configuration is performed in the terminal.As shown in figure 3, should have the charging method of the terminal of data exchanging function including as follows
Operation：
Whether the magnitude of voltage at S201, the power pins of the USB interface of the detection terminal is more than or equal to setting thresholding
Value.If so, then performing S202；If it is not, then performing S203.
Exemplary, when there is OTG patchcords to access the USB interface of the terminal, to the electricity of the USB interface of the terminal
Magnitude of voltage at source pin is detected, and the magnitude of voltage is compared with setting threshold value, judges the power pins
Whether the magnitude of voltage at place is more than or equal to setting threshold value.Such as described setting threshold value could be arranged to 5V, at this to described
Setting threshold value is not especially limited.
In this step by detect the terminal USB interface power pins at magnitude of voltage whether be more than or equal to set
Determine threshold value, for judging whether the USB interface of the terminal has power-supply device access, i.e., whether receive voltage signal.This
Step can be in the case of terminal access OTG patchcords so that terminal can also carry out the access detection of power-supply device, solve
The problem of existing OTG patchcords cannot be used for connection terminal and power-supply device and be charged to the terminal.
If the magnitude of voltage at S202, the power pins of the USB interface of the terminal is more than or equal to setting threshold value, really
Surely voltage signal is received, the terminal is switched into execution equipment charge access module, the terminal charge is controlled.
Above-mentioned steps can be specifically that the magnitude of voltage at the USB interface power pins of the terminal is with setting threshold value
Comparative result, it may be determined that receive voltage signal, i.e. terminal by OTG patchcords access power-supply device when, by the end
End switches to execution equipment charge access module, and the terminal is charged using the power-supply device of access.
If the magnitude of voltage at S203, the power pins of the USB interface of the terminal is less than setting threshold value, detection is described
Whether the magnitude of voltage of the identified pins of the USB interface of terminal is setting low level.If so, then performing S204；If it is not, then continuing to hold
Row S201, that is, continue to detect whether the magnitude of voltage at the power pins of the USB interface of the terminal is more than or equal to setting thresholding
Value.
Specifically, can be the equipment and non-power accessed at the USB interface for determining the terminal by OTG patchcords
During equipment, terminal switches to execution data exchange access module, is to the magnitude of voltage of the identified pins of the USB interface of the terminal
It is no to be detected for setting low level.
If the magnitude of voltage of S204, the identified pins of the USB interface of the terminal is setting low level, the terminal is cut
It is changed to execution data exchange access module.
When the identified pins of terminal USB interface is setting low levels, illustrate to have detected OTG at the USB interface of terminal
Equipment is accessed, then now terminal can carry out OTG detections, identification and access to the OTG equipment of access, so with OTG equipment
Carry out data exchange.
S205, the terminal switches to execution data exchange access module after, control the USB interface of the terminal
Power pins output voltage.
Under data exchange access module, when having the access of OTG equipment at the USB interface of terminal, the terminal is controlled
The power pins output preset voltage value of USB interface, is supplied external OTG equipment, is led to the data for realizing terminal and OTG equipment
Letter.Exemplary, the preset voltage value can be 5V, simply carry out example and simultaneously non-specific limit to preset voltage value herein
It is fixed.
It should be noted that when the equipment that terminal is accessed by OTG patchcords is storage device, the VBUS pins of terminal
High-impedance state can be in, now terminal can not switch to execution charging access module, can set the storage device as OTG
Standby to be handled, that is, whether the magnitude of voltage for judging the identified pins ID of terminal is setting low level, if so, then terminal USB interface
VBUS pins output 5V power supplys, complete and data exchange communications with the external storage device.
A kind of charging method for terminal with data exchanging function that the embodiment of the present invention two is provided, it is described by detection
Whether the magnitude of voltage at the power pins of the USB interface of terminal is more than or equal to setting threshold value, and judges the end according to this
End switches to execution equipment charge access module, or to the magnitudes of voltage of the identified pins of the USB interface of the terminal whether be
Setting low level is detected and judged that, to carry out whether data exchange provides foundation, solving terminal in the prior art can not
The problem of being charged by OTG patchcords, and realize cutting for equipment charge access module and data switched access pattern
Change, expanded the function of OTG patchcords.
Embodiment three
Fig. 4 is a kind of signal of the charging device for terminal with data exchanging function that the embodiment of the present invention three is provided
Figure.The device can perform filling for the terminal with OTG functions described in above-described embodiment by the way of software and/or hardware
Method for electrically, device configuration is performed in the terminal.
The charging device for the terminal with data exchanging function that the present embodiment is provided includes：Power pins detection module
310th, access module handover module 320 and identified pins detection module 330.
Wherein, power pins detection module 310 is used for general-purpose serial bus USB interface and data exchange when the terminal
When OTG patchcords are connected, detect whether the power pins of the USB interface of the terminal receive voltage signal；Access module is cut
Mold changing block 320 is used to, when detecting the power pins of USB interface of the terminal and receiving voltage signal, the terminal be cut
It is changed to execution equipment charge access module and controls the terminal charge；Identified pins detection module 330, which is used to work as, detects institute
When the power pins for stating the USB interface of terminal do not receive voltage signal, the identified pins of the USB interface of the terminal are detected
Magnitude of voltage, and perform corresponding control.
Alternatively the power pins detection module 310 specifically for：Detect the power pins of the USB interface of the terminal
Whether the magnitude of voltage at place is more than or equal to setting threshold value, if, it is determined that receive voltage signal.
Alternatively the threshold value that sets is 5V.
Alternatively the identified pins detection module 330 includes：Pin level detection unit 331 and data access switching are single
Member 332.
Wherein, pin level detection unit 331 is used to detect that the magnitude of voltage of the identified pins of the USB interface of the terminal to be
No is setting low level；Data access switch unit 332 is used for when the electricity of the identified pins for the USB interface for detecting the terminal
When pressure value is setting low level, then the terminal is switched into execution data exchange access module.
Alternatively the charging device also includes：Pin voltage output unit 333.
Wherein, pin voltage output unit 333 is used to switch to the terminal in the data access switch unit 332
Perform after data exchange access module, control the power pins output voltage of the USB interface of the terminal.
The device for a kind of terminal with data exchanging function that the present invention is provided, by power pins detection module in institute
When the general-purpose serial bus USB interface for stating terminal is connected with data exchange OTG patchcords, the USB interface of the terminal is detected
Whether power pins receive voltage signal.Access module handover module switches the terminal when receiving voltage signal
To perform equipment charge access module and controlling the terminal charge；Identified pins detection module is being not received by voltage signal
In the case of, the magnitude of voltage of the identified pins of the USB interface of the terminal is detected, and perform corresponding control.The present embodiment is solved
The problem of in the prior art terminal can not be charged by OTG patchcords, and realize terminal and accessed in equipment charge
Switching between pattern and data switched access pattern, has expanded the function of OTG patchcords, has provided the user more easily
Service experience.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (6)
1. a kind of charging method of the terminal with data exchanging function, it is characterised in that including：
If the general-purpose serial bus USB interface of the terminal is connected with data exchange OTG patchcords, the terminal is detected
Whether the power pins of USB interface receive voltage signal；
If so, the terminal is switched into execution equipment charge access module and the terminal charge is controlled；
If it is not, then detecting the magnitude of voltage of the identified pins of the USB interface of the terminal, and perform corresponding control；
Wherein, detecting the magnitude of voltage of the identified pins of the USB interface of the terminal, and perform corresponding control includes：
Whether the magnitude of voltage for detecting the identified pins of the USB interface of the terminal is setting low level；
If so, the terminal then is switched into execution data exchange access module；
After the terminal to be switched to execution data exchange access module, in addition to：Control the USB interface of the terminal
Power pins output voltage.
2. charging method according to claim 1, it is characterised in that the power pins of the USB interface of the detection terminal
Whether receiving voltage signal includes：
Detect the terminal USB interface power pins at magnitude of voltage whether be more than or equal to setting threshold value, if so, then
It is determined that receiving voltage signal.
3. charging method according to claim 2, it is characterised in that the threshold value that sets is 5V.
4. a kind of charging device of the terminal with data exchanging function, it is characterised in that including：
Power pins detection module, for the general-purpose serial bus USB interface when the terminal and data exchange OTG patchcord phases
Lian Shi, detects whether the power pins of the USB interface of the terminal receive voltage signal；
Access module handover module, for when detecting the power pins of USB interface of the terminal and receiving voltage signal,
The terminal is switched into execution equipment charge access module and the terminal charge is controlled；
Identified pins detection module, for not receiving voltage signal when the power pins for the USB interface for detecting the terminal
When, the magnitude of voltage of the identified pins of the USB interface of the terminal is detected, and perform corresponding control；
The identified pins detection module includes：
Pin level detection unit, whether the magnitude of voltage of the identified pins of the USB interface for detecting the terminal is that setting is low
Level；
Data access switch unit, the magnitude of voltage for the identified pins when the USB interface for detecting the terminal is low to set
During level, then the terminal is switched into execution data exchange access module；
The charging device also includes：Pin voltage output unit, in the data access switch unit by the terminal
Switch to after execution data exchange access module, control the power pins output voltage of the USB interface of the terminal.
5. charging device according to claim 4, it is characterised in that the power pins detection module specifically for：
Detect the terminal USB interface power pins at magnitude of voltage whether be more than or equal to setting threshold value, if so, then
It is determined that receiving voltage signal.
6. charging device according to claim 5, it is characterised in that the threshold value that sets is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528508.3A CN105048018B (en) | 2015-08-25 | 2015-08-25 | The charging method and device of a kind of terminal with data exchanging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528508.3A CN105048018B (en) | 2015-08-25 | 2015-08-25 | The charging method and device of a kind of terminal with data exchanging function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048018A CN105048018A (en) | 2015-11-11 |
| CN105048018B true CN105048018B (en) | 2017-07-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510528508.3A Active CN105048018B (en) | 2015-08-25 | 2015-08-25 | The charging method and device of a kind of terminal with data exchanging function |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632949B (en) * | 2017-09-30 | 2019-10-25 | Oppo广东移动通信有限公司 | Data line identification circuit, method and terminal |
| CN110321303A (en) * | 2018-03-29 | 2019-10-11 | 中国移动通信集团终端有限公司 | Device, method, terminal and the storage medium of back-up terminals data |
| CN110492569B (en) * | 2019-08-26 | 2021-03-23 | 珠海格力电器股份有限公司 | Mobile power supply and control method and device thereof |
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|---|---|---|---|---|
| CN101097536A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Operation mode judging system and method thereof |
| CN101901201A (en) * | 2010-08-06 | 2010-12-01 | 中兴通讯股份有限公司 | Method and device for realizing USB OTG function on electronic equipment |
| CN203387203U (en) * | 2013-05-09 | 2014-01-08 | 上海斐讯数据通信技术有限公司 | Charging switching system possessing USB on-the-go (OTG) function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8907633B2 (en) * | 2011-06-30 | 2014-12-09 | Standard Microsystems Corporation | Method and system for sampling multiple profiles in a charging port without host intervention |
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2015
- 2015-08-25 CN CN201510528508.3A patent/CN105048018B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097536A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Operation mode judging system and method thereof |
| CN101901201A (en) * | 2010-08-06 | 2010-12-01 | 中兴通讯股份有限公司 | Method and device for realizing USB OTG function on electronic equipment |
| CN203387203U (en) * | 2013-05-09 | 2014-01-08 | 上海斐讯数据通信技术有限公司 | Charging switching system possessing USB on-the-go (OTG) function |
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