CN105048018A - Charging method and device for terminal having on-the-go (OTG) function - Google Patents
Charging method and device for terminal having on-the-go (OTG) function Download PDFInfo
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- CN105048018A CN105048018A CN201510528508.3A CN201510528508A CN105048018A CN 105048018 A CN105048018 A CN 105048018A CN 201510528508 A CN201510528508 A CN 201510528508A CN 105048018 A CN105048018 A CN 105048018A
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- 238000001514 detection method Methods 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
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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
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Abstract
The embodiment of the invention discloses a charging method and device for a terminal having an on-the-go (OTG) function. The charging method comprises the following steps of: detecting whether a power supply pin of a universal serial bus (USB) interface of the terminal receives a voltage signal or not when the USB interface of the terminal is connected with a an OTG adapter cable; if yes, switching the terminal into an execution device charging access mode and controlling the terminal to be charged; and if not, detecting a voltage value of an identification pin of the USB interface of the terminal, and executing corresponding control. According to the charging method, judgment is made so as to switch the terminal into the execution device charging access mode by detecting whether the power supply pin of the USB interface of the terminal receives the voltage signal or not, or the corresponding control is executed by detecting the voltage value of the identification pin of the USB interface of the terminal, and thus, the problem that the terminal cannot be charged through the OTG adapter cable in the prior art is solved.
Description
Technical field
The present invention relates to charging technique, particularly relate to a kind of charging method and the device with the terminal of data exchanging function.
Background technology
Along with the variation of ancillary equipment and the demand of high-speed transfer, exchanges data (On-The-Go, OTG) function is applied also more and more extensive in electric terminal equipment, and OTG will become the basic configuration function of future electronic product gradually.
For mobile phone terminal, be illustrated in figure 1 the schematic diagram of the USB interface of the mobile phone that prior art provides, this USB interface has grounding pin GND, identified pins ID, positive voltage data pin D+, negative voltage data pin D-and power pins VBUS.For the mobile phone supporting OTG function, when OTG patchcord is connected with the USB interface of mobile phone, mobile phone performs data switched access pattern, and now the VBUS pin of mobile phone USB interface exports 5V voltage, and terminal carries out the detection and Identification of OTG equipment by OTG patchcord.When terminal has detected OTG equipment access mobile phone by OTG patchcord, be in this OTG equipment of handset identity of exchanges data access module and carried out data exchange communications with this OTG equipment.
It can thus be appreciated that, existing OTG patchcord only as the data wire of the external OTG equipment of terminal access, for terminal and OTG equipment connection with communicate, there is the defect of function singleness.When external power supply is connected with terminal by OTG patchcord, because the ID pin in OTG patchcord is connected with GND pin, the ID pin ground connection of corresponding mobile phone, therefore terminal is in exchanges data access module, then terminal cannot be charged by OTG patchcord, thus reduces the convenient degree of Consumer's Experience.
Summary of the invention
The invention provides a kind of charging method and the device with the terminal of data exchanging function, the problem of charging cannot be carried out by OTG patchcord to solve terminal in prior art.
First aspect, embodiments provides a kind of charging method with the terminal of data exchanging function, comprising:
If when the USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal;
If so, by described terminal switch be actuating equipment charging access module and control described terminal charge;
If not, then detect the magnitude of voltage of the identified pins of the USB interface of described terminal, and perform corresponding control.
Second aspect, the embodiment of the present invention additionally provides a kind of charging device with the terminal of data exchanging function, comprising:
Power pins detection module, for when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal;
Access module handover module, for when the power pins of the USB interface described terminal being detected receives voltage signal, by described terminal switch is actuating equipment charging access module and controls described terminal charge;
Identified pins detection module, for when the power pins of the USB interface described terminal being detected does not receive voltage signal, detects the magnitude of voltage of the identified pins of the USB interface of described terminal, and performs corresponding control.
A kind of charging method and device with the terminal of data exchanging function provided by the invention, by when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal; When detect receive voltage signal time, by terminal switch be actuating equipment charging access module and control terminal charging; If do not receive voltage signal, then the magnitude of voltage of the identified pins of the USB interface of sense terminals, and perform corresponding control.Whether the present invention receives voltage signal by the power pins of the USB interface detecting described terminal, judge by terminal switch as actuating equipment charges access module with this, or detect to perform corresponding control to the magnitude of voltage of the identified pins of the USB interface of terminal.The invention solves terminal in prior art and cannot carry out the problem of charging by OTG patchcord.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, introduce doing one to the accompanying drawing used required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of the USB interface of the mobile phone that Fig. 1 provides for prior art;
Fig. 2 is a kind of flow chart with the charging method of the terminal of data exchanging function that the embodiment of the present invention one provides;
Fig. 3 is a kind of flow chart with the charging method of the terminal of data exchanging function that the embodiment of the present invention two provides;
Fig. 4 is a kind of schematic diagram with the charging device of the terminal of data exchanging function that the embodiment of the present invention three provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, hereinafter with reference to the accompanying drawing in the embodiment of the present invention, by execution mode, technical scheme of the present invention is described clearly and completely, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
From prior art, when the USB interface of terminal is inserted in OTG patchcord, terminal is in exchanges data access module, and now the power pins of the USB interface of terminal can export 5V voltage, causes terminal to charge.
Embodiment one
A kind of flow chart with the charging method of the terminal of data exchanging function that Fig. 2 provides for the embodiment of the present invention one, the technical scheme of this embodiment is applicable to the terminal with OTG function and connects external power supply to carry out the situation of charging by OTG patchcord.Terminal can such as, for having arbitrarily the electronic equipment of OTG function, mobile phone, panel computer etc.The method can be performed by the charging device of the terminal with OTG function, and this device can adopt the mode of software and/or hardware to realize, and configuration performs in the terminal.As shown in Figure 2, this charging method with the terminal of data exchanging function comprises following operation:
If when the USB interface of the described terminal of S110 is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal.
The USB interface of known terminal has grounding pin GND, identified pins ID, positive voltage data pin D+, negative voltage data pin D-and power pins VBUS.When the USB interface of terminal has OTG patchcord to insert, whether the power pins VBUS of first compulsory test terminal USB interface receives voltage signal, using the foundation as switching terminal access module.
This step, by whether the power pins of the USB interface of terminal being received voltage signal as the basis for estimation of forcing terminal to enter charged state, forces terminal switch to charge access module for actuating equipment when receiving voltage signal with the power pins of the USB interface in terminal.
If S120 receives voltage signal, by described terminal switch be actuating equipment charging access module and control described terminal charge.
When the power pins of USB interface terminal being detected receives voltage signal, be now actuating equipment charging access module by terminal switch, to realize terminal charge.When external power supply accesses terminal by OTG patchcord, the terminal being in equipment charge access module is charged by OTG patchcord.After doing so avoids insertion OTG patchcord, terminal is in the situation that exchanges data access module causes terminal to charge all the time.
In this step, as long as detect that the power pins of the USB interface of terminal receives voltage signal, then terminal switch is forced to be equipment charge access module, thus the connecting line that OTG patchcord can be charged to terminal as power-supply device, can charge when power-supply device is accessed terminal by OTG patchcord.
If S130 does not receive voltage signal, then detect the magnitude of voltage of the identified pins of the USB interface of described terminal, and perform corresponding control.
When the power pins of USB interface terminal being detected does not receive voltage signal, the magnitude of voltage of the identified pins of terminal USB interface is detected, to judge whether terminal switch according to testing result as exchanges data access module.
A kind of charging method with the terminal of data exchanging function that the embodiment of the present invention provides, by when the USB interface of described terminal is connected with OTG patchcord, whether the power pins of the USB interface of sense terminals receives voltage signal, and judges terminal switch to charge access module as actuating equipment when receiving voltage signal; Or when not receiving power supply signal, the magnitude of voltage of the identified pins of the USB interface of terminal is detected, to judge whether further to perform data switched access pattern.The invention solves terminal in prior art and cannot carry out the problem of charging by OTG patchcord, and achieve the switching of terminal between equipment charge access module and exchanges data access module, expand the function of OTG patchcord.
Embodiment two
A kind of flow chart with the terminal charging method of data exchanging function that Fig. 3 provides for the embodiment of the present invention two.The method can be performed by the charging device of the terminal with OTG function, and this device can adopt the mode of software and/or hardware to realize, and configuration performs in the terminal.As shown in Figure 3, this charging method with the terminal of data exchanging function comprises following operation:
Whether S201, the magnitude of voltage at power pins place detecting the USB interface of described terminal are more than or equal to setting threshold value.If so, then S202 is performed; If not, then S203 is performed.
Exemplary, when there being OTG patchcord to access the USB interface of described terminal, the magnitude of voltage at the power pins place of the USB interface of described terminal is detected, and described magnitude of voltage and setting threshold value are compared, judge whether the magnitude of voltage at described power pins place is more than or equal to setting threshold value.Such as described setting threshold value can be set to 5V, does not do concrete restriction at this to described setting threshold value.
Setting threshold value whether is more than or equal to, for judging whether the USB interface of described terminal has power-supply device to access, and namely whether receives voltage signal by the magnitude of voltage at the power pins place detecting the USB interface of described terminal in this step.This step can when terminal accesses OTG patchcord, and the access that make terminal can also carry out power-supply device detects, and solves existing OTG patchcord and can not be used for connecting terminal and power-supply device and the problem of charging to described terminal.
If the magnitude of voltage at the power pins place of the USB interface of the described terminal of S202 is more than or equal to setting threshold value, then determine to receive voltage signal, be actuating equipment charging access module by described terminal switch, control described terminal charge.
Above-mentioned steps can be specifically, when the magnitude of voltage at the USB interface power pins place of described terminal and the comparative result of setting threshold value, can determine to receive voltage signal, namely when terminal is by OTG patchcord access power-supply device, be actuating equipment charging access module by described terminal switch, utilize the power-supply device of access to charge to described terminal.
If the magnitude of voltage at the power pins place of the USB interface of the described terminal of S203 is less than setting threshold value, then whether the magnitude of voltage detecting the identified pins of the USB interface of described terminal is setting low level.If so, then S204 is performed; If not, then continue to perform S201, whether the magnitude of voltage namely continuing the power pins place of the USB interface detecting described terminal is more than or equal to setting threshold value.
Concrete, can be when the USB interface place determining described terminal is not power-supply device by the equipment that OTG patchcord accesses, whether terminal switch, for performing data switched access pattern, is that setting low level detects to the magnitude of voltage of the identified pins of the USB interface of described terminal.
If the magnitude of voltage of the identified pins of the USB interface of the described terminal of S204 is setting low level, be then perform data switched access pattern by described terminal switch.
When the identified pins of terminal USB interface is for setting low level, illustrate that the USB interface place of terminal has detected OTG equipment access, so now terminal can carry out OTG detection, identification and access to the OTG equipment of access, and then carries out exchanges data with OTG equipment.
S205, by described terminal switch for after performing data switched access pattern, control the power pins output voltage of the USB interface of described terminal.
Under exchanges data access module, when there is OTG equipment access at the USB interface place of terminal, the power pins controlling the USB interface of described terminal exports preset voltage value, supplies external OTG equipment, to realize the data communication of terminal and OTG equipment.Exemplary, described preset voltage value can be 5V, this just to preset voltage value carry out example and and non-specific limit.
It should be noted that, when terminal is memory device by the equipment that OTG patchcord accesses, the VBUS pin of terminal can be in high-impedance state, now terminal cannot switch to and perform charging access module, described memory device can be processed as OTG equipment, namely judge whether the magnitude of voltage of the identified pins ID of terminal is setting low level, if, then the VBUS pin of terminal USB interface exports 5V power supply, completes and the data exchange communications with external described memory device.
A kind of charging method with the terminal of data exchanging function that the embodiment of the present invention two provides, setting threshold value whether is more than or equal to by the magnitude of voltage at the power pins place detecting the USB interface of described terminal, and judge to be actuating equipment charging access module by described terminal switch according to this, or whether be that setting low level detects and judges to the magnitude of voltage of the identified pins of the USB interface of described terminal, whether foundation is provided for carrying out exchanges data, solve terminal in prior art and cannot carry out the problem of charging by OTG patchcord, and achieve the switching of equipment charge access module and exchanges data access module, expand the function of OTG patchcord.
Embodiment three
A kind of schematic diagram with the charging device of the terminal of data exchanging function that Fig. 4 provides for the embodiment of the present invention three.This device can adopt the mode of software and/or hardware to perform the charging method with the terminal of OTG function described in above-described embodiment, and the configuration of this device performs in the terminal.
The charging device of the terminal of data exchanging function that what the present embodiment provided have comprises: power pins detection module 310, access module handover module 320 and identified pins detection module 330.
Wherein, power pins detection module 310 is for when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, and whether the power pins detecting the USB interface of described terminal receives voltage signal; Described terminal switch, for when the power pins of the USB interface described terminal being detected receives voltage signal, is actuating equipment charging access module and controls described terminal charge by access module handover module 320; Identified pins detection module 330, for when the power pins of the USB interface described terminal being detected does not receive voltage signal, detects the magnitude of voltage of the identified pins of the USB interface of described terminal, and performs corresponding control.
Alternatively described power pins detection module 310 specifically for: whether the magnitude of voltage detecting the power pins place of the USB interface of described terminal is more than or equal to setting threshold value, if so, then determines to receive voltage signal.
Described setting threshold value is 5V alternatively.
Described identified pins detection module 330 comprises alternatively: pin level detecting unit 331 and data access switch unit 332.
Wherein, pin level detecting unit 331 is for detecting whether the magnitude of voltage of the identified pins of the USB interface of described terminal is setting low level; Data access switch unit 332 for when the magnitude of voltage of identified pins of USB interface of described terminal being detected for setting low level, then by described terminal switch for performing data switched access pattern.
Described charging device also comprises alternatively: pin voltage output unit 333.
Wherein, pin voltage output unit 333 for described data access switch unit 332 by described terminal switch for after performing data switched access pattern, control the power pins output voltage of the USB interface of described terminal.
A kind of device with the terminal of data exchanging function provided by the invention, by power pins detection module when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal.Described terminal switch, when receiving voltage signal, is actuating equipment charging access module and controls described terminal charge by access module handover module; Identified pins detection module, when not receiving voltage signal, detects the magnitude of voltage of the identified pins of the USB interface of described terminal, and performs corresponding control.The present embodiment solves terminal in prior art cannot carry out the problem of charging by OTG patchcord, and achieve the switching of terminal between equipment charge access module and exchanges data access module, expand the function of OTG patchcord, for user provides service experience more easily.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. there is a charging method for the terminal of data exchanging function, it is characterized in that, comprising:
If when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal;
If so, by described terminal switch be actuating equipment charging access module and control described terminal charge;
If not, then detect the magnitude of voltage of the identified pins of the USB interface of described terminal, and perform corresponding control.
2. charging method according to claim 1, is characterized in that, whether the power pins detecting the USB interface of described terminal receives voltage signal comprises:
Whether the magnitude of voltage detecting the power pins place of the USB interface of described terminal is more than or equal to setting threshold value, if so, then determines to receive voltage signal.
3. charging method according to claim 2, is characterized in that, described setting threshold value is 5V.
4. charging method according to claim 1, is characterized in that, detects the magnitude of voltage of the identified pins of the USB interface of described terminal, and performs corresponding control and comprise:
Whether the magnitude of voltage detecting the identified pins of the USB interface of described terminal is setting low level;
If so, be then perform data switched access pattern by described terminal switch.
5. charging method according to claim 4, is characterized in that, by described terminal switch for after execution data switched access pattern, also comprises: the power pins output voltage controlling the USB interface of described terminal.
6. there is a charging device for the terminal of data exchanging function, it is characterized in that, comprising:
Power pins detection module, for when the general-purpose serial bus USB interface of described terminal is connected with exchanges data OTG patchcord, whether the power pins detecting the USB interface of described terminal receives voltage signal;
Access module handover module, for when the power pins of the USB interface described terminal being detected receives voltage signal, by described terminal switch is actuating equipment charging access module and controls described terminal charge;
Identified pins detection module, for when the power pins of the USB interface described terminal being detected does not receive voltage signal, detects the magnitude of voltage of the identified pins of the USB interface of described terminal, and performs corresponding control.
7. charging device according to claim 6, is characterized in that, described power pins detection module specifically for:
Whether the magnitude of voltage detecting the power pins place of the USB interface of described terminal is more than or equal to setting threshold value, if so, then determines to receive voltage signal.
8. charging device according to claim 7, is characterized in that, described setting threshold value is 5V.
9. charging device according to claim 6, is characterized in that, described identified pins detection module comprises:
Pin level detecting unit, for detecting whether the magnitude of voltage of the identified pins of the USB interface of described terminal is setting low level;
Data access switch unit, for when the magnitude of voltage of identified pins of USB interface of described terminal being detected for setting low level, then by described terminal switch for performing data switched access pattern.
10. charging device according to claim 9, it is characterized in that, described charging device also comprises: pin voltage output unit, after described terminal switch being execution data switched access pattern at described data access switch unit, control the power pins output voltage of the USB interface of described terminal.
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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510528508.3A 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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| CN105048018A true CN105048018A (en) | 2015-11-11 |
| CN105048018B CN105048018B (en) | 2017-07-21 |
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| CN201510528508.3A Expired - Fee Related 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107632949A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | Data wire 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 |
| CN110492569A (en) * | 2019-08-26 | 2019-11-22 | 珠海格力电器股份有限公司 | Mobile power source and its control method, device |
| CN111159083A (en) * | 2019-12-20 | 2020-05-15 | 惠州华阳通用电子有限公司 | USB master-slave mode switching method, system, storage medium and terminal |
| WO2022213738A1 (en) * | 2021-04-08 | 2022-10-13 | Oppo广东移动通信有限公司 | Charging cable, power supply apparatus, terminal device, and communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107632949A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | Data wire identification circuit, method and terminal |
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| 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 |
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| WO2022213738A1 (en) * | 2021-04-08 | 2022-10-13 | Oppo广东移动通信有限公司 | Charging cable, power supply apparatus, terminal device, and communication system |
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|---|---|
| CN105048018B (en) | 2017-07-21 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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