CN106453964A - Control device and method of charging of mobile terminal - Google Patents
Control device and method of charging of mobile terminal Download PDFInfo
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- CN106453964A CN106453964A CN201611095642.XA CN201611095642A CN106453964A CN 106453964 A CN106453964 A CN 106453964A CN 201611095642 A CN201611095642 A CN 201611095642A CN 106453964 A CN106453964 A CN 106453964A
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- mobile terminal
- charger
- power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a control device of charging of a mobile terminal. The control device of the charging of the mobile terminal comprises a communication module used for feeding synchronizing signals back to a charger through D+ and D- data ports of a USB (universal serial bus) interface by adopting a preset communication protocol when the communication module receives a broadcast data package sent by the charger after the mobile terminal is connected with the charger through the USB interface; a confirmation module used for confirming a supply voltage and a supply current, adaptive to low voltage direct charging of the mobile terminal, according to power supply parameters in a power supply parameter data package when the confirmation module receives the power supply parameter data package sent by the charger; a communication module used for further adopting the preset communication protocol to send the supply voltage and the supply current to the charger through the D+ and the D- data port so as to enable the charger to charge the mobile terminal by using the supply voltage and the supply current. The invention further discloses a control method of the charging of the mobile terminal. The control device and the control method of the charging of the mobile terminal reduce hardware cost of the mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, the control device and method that more particularly to a kind of mobile terminal charges.
Background technology
With the development of science and technology, the mobile terminal such as smart mobile phone, PAD (panel computer) is had become as in user's daily life
Indispensable electronic product.The screen of Nowadays mobile terminals is increasing, and the performance of processor is more and more stronger, and this requires to move
Dynamic terminal will possess stronger endurance, thus the battery capacity of mobile terminal is increasing, and battery capacity becomes big, battery
Charging interval just accordingly elongated, thus, shorten the charging interval of battery of mobile terminal, realize quick charge and just become one kind becoming
Gesture.At present, it is a kind of usual way for realizing quick charge to be filled using low-pressure direct, in this approach in order to realize mobile terminal with
Tie line between charger, generally will mobile terminal and charger two ends arrange USB PD (Power Delivery,
Quick charge specification) module, enters row data communication by USB PD agreement between mobile terminal and charger.Due to being additionally arranged
USB PD module so that the hardware cost of mobile terminal is higher.
Content of the invention
Present invention is primarily targeted at proposing the control device and method that a kind of mobile terminal charges, it is intended to solve existing
The higher technical problem of the hardware cost of the mobile terminal of function is filled in technology with low-pressure direct.
For achieving the above object, the present invention provides the control device that a kind of mobile terminal charges, and the mobile terminal charges
Control device include：
Communication module, after being connected with charger through USB USB in mobile terminal, when receiving
During the broadcast data packet that the charger sends, using default communication protocol, by D+ FPDP and the D- of the USB interface
FPDP feedback synchronization signal is to the charger；
Determining module, for when the power supply parameter packet of charger transmission is received, obtaining power supply parameter, and
Determine that the mobile terminal low-pressure direct fills supply voltage and the supply current of adaptation according to the power supply parameter, wherein, described fill
Electrical equipment is confirmed data communication connection establishment success, and is sent out based on the default communication protocol after the synchronizing signal is received
Power supply parameter packet is sent to the mobile terminal；
The communication module, is additionally operable to, using the default communication protocol, the supply voltage and supply current be passed through
The D+ FPDP and D- FPDP are sent to the charger, so that the charger is using the supply voltage and confession
Electric current is charged to the mobile terminal.
Alternatively, the communication module is additionally operable to：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is being received
During to the Start signal, the broadcast data packet is sent to the mobile terminal.
Alternatively, the Start signal is to turn low level signal by high level.
Alternatively, the determining module includes：
Acquiring unit, for when the power supply parameter packet of charger transmission is received, according to described default logical
Letter agreement, parses the power supply parameter packet, obtains the power supply parameter and check code for including in the power supply parameter packet；
Judging unit, for according to the check code, judging whether the power supply parameter packet sends exception；
Determining unit, for when the power supply parameter packet sends normal, according to the power supply parameter determines
Mobile terminal low-pressure direct fills the supply voltage of adaptation and supply current.
Alternatively, the communication module includes：
Signal generating unit, for according to the preset data form, generating the supply voltage and the corresponding confession of supply current
Piezoelectric voltage packet and supply current packet；
Communication unit, for adopting the default communication protocol, by the supply voltage packet for generating and power supply electricity
Stream packets are sent to the charger by the D+ FPDP and D- FPDP.
Additionally, for achieving the above object, the present invention also proposes a kind of control method of mobile terminal charging, described mobile whole
The control method that end is charged is comprised the following steps：
After mobile terminal is connected with charger through USB USB, send out when the charger is received
During the broadcast data packet that send, using default communication protocol, fed back by the D+ FPDP and D- FPDP of the USB interface
Synchronizing signal is to the charger；
When the power supply parameter packet of charger transmission is received, power supply parameter is obtained, and according to the power supply
Mobile terminal low-pressure direct described in parameter determination fills supply voltage and the supply current of adaptation, and wherein, the charger is being received
After the synchronizing signal, confirm data communication connection establishment success, and power supply parameter number is sent based on the default communication protocol
According to bag to the mobile terminal；
Using the default communication protocol, by the supply voltage and supply current by the D+ FPDP and D- number
Send to the charger according to port, for the charger using the supply voltage and supply current to the mobile terminal
It is charged.
Alternatively, described when the broadcast data packet of charger transmission is received, using default communication protocol, pass through
The D+ FPDP of the USB interface and D- FPDP feedback synchronization signal also include to before the step of the charger：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is being received
During to the Start signal, the broadcast data packet is sent to the mobile terminal.
Alternatively, the Start signal is to turn low level signal by high level.
Alternatively, described when the power supply parameter packet of charger transmission is received, obtain power supply parameter, and root
Determine that the mobile terminal low-pressure direct includes the step of filling supply voltage and the supply current of adaptation according to the power supply parameter：
When the power supply parameter packet of charger transmission is received, according to the default communication protocol, institute is parsed
Power supply parameter packet is stated, obtains the power supply parameter and check code for including in the power supply parameter packet；
According to the check code, judge whether the power supply parameter packet sends exception；
When the power supply parameter packet sends normal, the mobile terminal low-pressure direct is determined according to the power supply parameter
Fill supply voltage and the supply current of adaptation.
Alternatively, the default communication protocol includes preset data form, described using the default communication protocol, by institute
Stating supply voltage and supply current is included the step of transmission to the charger by the D+ FPDP and D- FPDP：
According to the preset data form, generate the supply voltage and the corresponding supply voltage packet of supply current and
Supply current packet；
Using the default communication protocol, the supply voltage packet for generating and supply current packet are passed through institute
State D+ FPDP and D- FPDP is sent to the charger.
The control device and method that mobile terminal proposed by the present invention charges, fills when carrying out low-pressure direct to mobile terminal,
After the mobile terminal is connected with charger through USB interface, when the broadcast data packet of charger transmission is received, communication module
Using default communication protocol, by the D+ FPDP and D- FPDP feedback synchronization signal of USB interface to charger, charge
Device confirms data communication connection establishment success after the synchronizing signal is received, and is then based on presetting communication protocol transmission power supply
Supplemental characteristic bag determines movement according to power supply parameter to mobile terminal after power supply parameter of the determining module in packet is obtained
Terminal low-pressure direct fills the supply voltage of adaptation and supply current, and then communication module is adopted and presets communication protocol, by supply voltage
Being sent to charger by D+ FPDP and D- FPDP with supply current, charger is made using the supply voltage and power supply
Electric current is charged to mobile terminal.Due in charging process between mobile terminal and charger be directly using USB interface
Some D+ FPDPs and D- FPDP enter row data communication, eliminate setting USB PD module in the terminal, because
This, reduce the hardware cost of mobile terminal.
Description of the drawings
Fig. 1 is the hardware architecture diagram for realizing the optional mobile terminal of each embodiment of the present invention one；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
The module diagram of the control device first embodiment that Fig. 3 is charged for mobile terminal of the present invention；
Fig. 4 is the circuit connection diagram of charging module in mobile terminal of the present invention；
Fig. 5 is the Logic 0 of default communication protocol in each embodiment of the present invention, Logic 1, Start signal, Stop letter
Number schematic diagram；
The circuit theory diagrams that Fig. 6 is charged for mobile terminal of the present invention；
In the control device second embodiment that Fig. 7 is charged for mobile terminal of the present invention, the refinement module of determining module is illustrated
Figure；
The refinement module schematic diagram of communication module in the control device second embodiment that Fig. 8 is charged for mobile terminal of the present invention
The schematic flow sheet of the control method first embodiment that Fig. 9 is charged for mobile terminal of the present invention；
In the control method second embodiment that Figure 10 is charged for mobile terminal of the present invention, institute is determined according to the power supply parameter
State mobile terminal low-pressure direct and fill the supply voltage of adaptation and the refinement schematic flow sheet of supply current；
By the supply voltage and power supply electricity in the control method second embodiment that Figure 11 is charged for mobile terminal of the present invention
Stream is sent to the refinement schematic flow sheet of the charger.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only in order to explain the present invention.
The mobile terminal of each embodiment of the present invention is realized referring now to Description of Drawings.In follow-up description, use
For representing the suffix of such as " module ", " part " or " unit " of element only for being conducive to the explanation of the present invention, itself
Not specific meaning.Therefore, " module " mixedly can be used with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as to move
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desk computer etc. consolidate
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the present invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, output unit
150th, memorizer 160, interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 is shown with various assemblies
Mobile terminal, it should be understood that be not required for implementing all components for illustrating.Alternatively can implement more or less of
Component.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and which allows mobile terminal 1 00 and radio communication device
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal for generating before the server or reception of broadcast singal and/or broadcast related information and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singal, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal for combining with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can be present in a variety of manners, and for example, which can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal broadcast by using various types of broadcasters.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) data broadcasting device, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digital broadcast apparatus receive digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcasters of signal and above-mentioned digital broadcast apparatus.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 be for supporting the module of junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Location information module 115 be for check or obtain mobile terminal positional information module.Location information module
Typical case be GPS (global pick device).According to current technology, GPS module 115 is calculated from three or more satellites
Range information and correct time information and for calculate Information application triangulation, so as to according to longitude, latitude
Three-dimensional current location information is highly accurately calculated.Currently, defended using three for calculating the method for position and temporal information
Star and the error of the position that calculated by using other satellite correction and temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include 121 He of camera
Mike 122,121 pairs of static images for being obtained by image capture apparatus in Video Capture pattern or image capture mode of camera
Or the view data of video is processed.Picture frame after process is may be displayed on display unit 151.Process through camera 121
Picture frame afterwards can be stored in memorizer 160 (or other storage mediums) or carry out sending out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Mike 122 can be in telephone calling model, note
Sound (voice data) is received via mike in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
The form output of mobile communication base station is sent to via mobile communication module 112.Mike 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or do that (or suppression) is produced during receiving and sending audio signal
Disturb.
Interface unit 170 is connected, as at least one external device (ED), the interface that can pass through with mobile terminal 1 00.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for being used for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be stored for verifying user using each of mobile terminal 1 00
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be used for receive from
The input (for example, data message, electric power etc.) of external device (ED) and the input for receiving is transferred in mobile terminal 1 00
One or more elements or can be used for transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by which by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing the various command signals from base input to pass through which
It is transferred to the path of mobile terminal.The various command signals being input into from base or electric power may serve as recognizing that mobile terminal is
The no signal being accurately fitted within base.Output unit 150 is configured to defeated with the offer of vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include to show
Unit 151, dio Output Modules 152 etc..
Display unit 151 may be displayed on the information for processing in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and call or other communicate (for example, text messaging, multimedia files
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when the display unit 151 and touch pad touch screen with formation superposed on one another as a layer, display unit
151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
A kind of.Some in these display may be constructed such that transparence to allow user from outside viewing, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment that wants, mobile terminal 1 00 can include two or more display units (or other display devices), for example, move
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal in call signal reception pattern, call mode, logging mode,
When under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer 160
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is executed.
Dio Output Modules 152 can include pick up, buzzer etc..
Memorizer 160 can store software program for the process and control operation for being executed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memorizer 160 can be with storage with regard to the vibration of various modes that exports when touching and being applied to touch screen and audio signal
Data.
Memorizer 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizer etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can execute memorizer with by network connection
The network storage device cooperation of 160 store function.
Controller 180 generally controls the overall operation of mobile terminal.For example, controller 180 is executed and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or it is so structured that and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, by the handwriting input for executing on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various embodiments described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to execute function described herein
At least one in electronic unit is implementing, and in some cases, such embodiment can be implemented in controller 180.
Software is implemented, the embodiment of such as process or function can with allow to execute the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) that is write with any appropriate programming language
Implement, software code can be stored in memorizer 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data all if any
Line and radio communication device and satellite-based communicator are operating.
Referring now to the communicator that Fig. 2 description is wherein operable to according to the mobile terminal of the present invention.
Such communicator can use different air interfaces and/or physical layer.For example, used by communicator
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications dress
Put (UMTS) (especially, Long Term Evolution (LTE)), global mobile communication device (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication device, but such teaching is equally applicable to other types of device.
With reference to Fig. 2, cdma wireless communication device can include multiple mobile terminal 1s 00, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If back haul link can be constructed according to any one in the interface that Ganji knows, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that device can include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion that line is covered is radially away from BS270.Or, each subregion can by for diversity reception two or more
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and each frequency is distributed with specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
Device (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal that operate in device
100.Broadcasting reception module 111 is arranged on to receive the broadcast for being sent by BT295 at mobile terminal 1 00 as shown in Figure 1
Signal.In fig. 2 it is shown that several global pick device (GPS) satellite 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, but it is understood that, it is possible to use any number of satellite is obtained
Useful location information.GPS module 115 is generally configured to coordinate with satellite 300 with determining that acquisition is wanted as shown in Figure 1
Position information.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use the position of mobile terminal can be tracked
Other technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of radio communication device, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.BSC275 is also by the number for receiving
According to being routed to MSC280, which provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the control device that mobile terminal of the present invention charges is proposed
Each embodiment.
As shown in figure 3, in the first embodiment, the control device that the mobile terminal charges includes：
Communication module 10, after being connected with charger through USB USB in mobile terminal, works as reception
During the broadcast data packet for sending to the charger, using default communication protocol, by the D+ FPDP of the USB interface and
D- FPDP feedback synchronization signal is to the charger；
With the development of science and technology, the mobile terminal such as smart mobile phone, PAD (panel computer) is had become as in user's daily life
Indispensable electronic product.During using mobile terminal, user is frequently necessary to be charged mobile terminal.Reference
Fig. 4, Fig. 4 are the circuit connection diagram of charging module in mobile terminal of the present invention.As shown in figure 4, mobile terminal has two kinds
Charging modes：One kind is set with outside wired charging by USB (Universal Serial Bus) USB
Standby connection carries out wired charging；Another kind is to receive change-over circuit by built-in wireless charging to enter with external wireless charger
Row wireless charging.Wherein, Battery is battery of mobile terminal；Charger IC is the Charge Management integrated circuit of mobile terminal；
PMIC is the power management integrated circuit of mobile terminal；Gator Board is a kind of wireless charging component；BUCK becomes for buck
Change circuit；MCU is microprocessor, the main wireless charging management for being responsible for mobile terminal.
In the present invention, specifically illustrate by taking wired charging modes of mobile terminal as an example.It is the present invention with reference to Fig. 5, Fig. 5
Mobile terminal carries out the circuit theory diagrams of wired charging.Mobile terminal mainly includes AP (Wireless Access Point
Controller) controller, USB interface, charging chip, battery etc..In order to realize the function that mobile terminal low-pressure direct fills, while
Reduce the hardware cost of mobile terminal again, save setting USB PD module in mobile terminal and charger, it is proposed that directly sharp
The data communication between mobile terminal and charger is realized with the D+ FPDP and D- FPDP of USB interface.Specifically, first
First pre-define between mobile terminal and charger and the default logical of row data communication is entered by D+ FPDP and D- FPDP
Letter agreement.Such as, in the default communication protocol, as shown in Figure 5, it is stipulated that the Logic0 low level of 100ms and 200ms
High level represents, Logic 1 is represented with the low level of 200ms and the high level of 100ms.The signal of D+ FPDP is by high electricity
Flat turn represents a Start initial signal for low level, and the signal of D+ FPDP switchs to high level by low level and represents one
Stop termination signal, each frame data are started with Start signal, with Stop signal ended.Also, arrange lasting per frame signal
Maximum duration is the M second, such as 5 seconds, if being to contain up to 16bits 5 seconds, per frame data per the lasting maximum duration of frame signal
Data.
When user will be charged to mobile terminal, as shown in fig. 6, by mobile terminal by USB interface with charger even
After connecing, charger can send broadcast data packet to mobile terminal.When mobile terminal receives the broadcast data packet, mould is communicated
Block 10 feeds back a synchronizing signal to filling by the D+ FPDP of USB interface and D- FPDP using presetting communication protocol
Electrical equipment.
Alternatively, the communication module 10 is additionally operable to：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is being received
During to the Start signal, the broadcast data packet is sent to the mobile terminal.
Alternatively, after mobile terminal is connected with charger by USB interface, communication module 10 passes through D+ FPDP
Start signal is sent to charger.When charger receives the Start signal, broadcast data packet is sent to mobile terminal.
Determining module 20, for when the power supply parameter packet of charger transmission is received, obtaining power supply parameter,
And determine that the mobile terminal low-pressure direct fills supply voltage and the supply current of adaptation according to the power supply parameter, wherein, described
Charger is confirmed data communication connection establishment success, and is based on the default communication protocol after the synchronizing signal is received
Power supply parameter packet is sent to the mobile terminal；
When charger receives the synchronizing signal of mobile terminal transmission, confirm to shake hands between charger and mobile terminal
It has been successfully established data communication between work(, namely mobile terminal and charger to be connected.When charger confirms that data communication connection is built
After vertical success, charger sends the power supply parameter packet of charger to mobile terminal based on default communication protocol.The power supply ginseng
The confessions such as maximum voltage threshold value, maximum current threshold value that charger can be exported during power supply are included in number packets
Electrical quantity.
When mobile terminal receives the power supply parameter packet of charger transmission, determining module 20 obtains power supply therein
Parameter, then according to power supply parameter, determines in the supply voltage for the mobile terminal being carried out be adapted to when low-pressure direct fills and power supply electricity
Stream.Such as, if it is 3v that the maximum voltage threshold value of charger is 5v, the current cell voltage of mobile terminal, it is determined that module 20
Can determine that the supply voltage that mobile terminal current low-pressure direct is adapted to when filling is 3v；If the rated current of mobile terminal is 3A, to charge
The maximum current threshold value of device is 4A, it is determined that module 20 can determine that the supply current that mobile terminal low-pressure direct is adapted to when filling is
3A.
The communication module 10, is additionally operable to, using the default communication protocol, the supply voltage and supply current be led to
Cross the D+ FPDP and D- FPDP sent to the charger, for the charger using the supply voltage and
Supply current is charged to the mobile terminal.
Determining module 20 determine mobile terminal is carried out low-pressure direct fill be adapted to supply voltage and supply current it
Afterwards, communication module 10, using communication protocol is preset, the supply voltage for determining and supply current data is passed through the D+ number of USB interface
Send to charger according to port and D- FPDP.Charger fills be adapted to supply voltage getting mobile terminal low-pressure direct
After supply current, just using the supply voltage and supply current, mobile terminal is charged.
The present embodiment propose scheme, fill when low-pressure direct will be carried out to mobile terminal, the mobile terminal through USB interface with fill
After electrical equipment connection, when the broadcast data packet of charger transmission is received, communication module 10 is passed through using communication protocol is preset
The D+ FPDP of USB interface and D- FPDP feedback synchronization signal are to charger, and charger is receiving the synchronizing signal
Afterwards, confirming data communication connection establishment success, is then based on communication protocol transmission power supply parameter packet being preset to mobile terminal,
After power supply parameter of the determining module 20 in packet is obtained, determine that mobile terminal low-pressure direct fills the confession of adaptation according to power supply parameter
Piezoelectric voltage and supply current, communication protocol is preset in the then employing of communication module 10, and supply voltage and supply current are passed through D+ number
Send to charger according to port and D- FPDP, so that charger is carried out mobile terminal using the supply voltage and supply current
Charge, due in charging process between mobile terminal and charger be directly using the existing D+ FPDP of USB interface and D-
FPDP enters row data communication, eliminates setting USB PD module in the terminal, therefore, reduces mobile terminal
Hardware cost.
Further, as shown in fig. 7, proposing the control device second embodiment that mobile terminal of the present invention charges.Mobile whole
The difference of the control device first embodiment that the control device second embodiment that end is charged is charged with mobile terminal is, is moving
In the control device second embodiment of terminal charge, the determining module 20 includes：
Acquiring unit 21, for when the power supply parameter packet of charger transmission is received, according to described default
Communication protocol, parses the power supply parameter packet, obtains the power supply parameter and verification for including in the power supply parameter packet
Code；
Judging unit 22, for according to the check code, judging whether the power supply parameter packet sends exception；
Determining unit 23, for when the power supply parameter packet sends normal, determining institute according to the power supply parameter
State supply voltage and supply current that mobile terminal low-pressure direct fills adaptation.
In order to the accuracy of data communication between mobile terminal and charger is improved, in the present embodiment, charging is being received
During the power supply parameter packet that device sends, determining module 20 can be verified to the power supply parameter packet.Specifically, charger
Power supply parameter and the check code of charger is contained in the power supply parameter packet of transmission, is led to based on default when charger is received
Letter agreement transmission power supply parameter packet when, acquiring unit 21 according to default communication protocol, to the power supply parameter number for receiving
Parsed according to bag, obtained power supply parameter therein and check code.Then, judging unit 22 is according to the check code for obtaining, checking
Whether the power supply parameter packet that charger sends sends exception.When verifying that power supply parameter packet sends normal, determine
Further according to the power supply parameter for obtaining, unit 23 determines that mobile terminal low-pressure direct fills the supply voltage of adaptation and supply current.Optional
Ground, when the checking power supply parameter packet of judging unit 22 sends normal, communication module 10 is sent same using default communication protocol
Step signal is to charger.
When judging unit 22 verifies that power supply parameter packet sends abnormal, namely power supply parameter packet is in transmitting procedure
Middle error, now, communication module 10 asks charger to resend a power supply parameter packet, then 22 counterweight of judging unit
The power supply parameter packet for newly receiving is verified, when judging unit 22 verifies that the power supply parameter packet for receiving again sends
When normal, the power supply parameter for including in the power supply parameter packet that determining unit 23 is received again further according to this determines mobile terminal
Low-pressure direct fills the supply voltage of adaptation and supply current.
Further, as shown in figure 8, in the present embodiment, the communication module 10 includes：
Signal generating unit 11, for according to the preset data form, the generation supply voltage and supply current are corresponding
Supply voltage packet and supply current packet；
Communication unit 12, for adopting the default communication protocol, by the supply voltage packet for generating and power supply
Current data bag is sent to the charger by the D+ FPDP and D- FPDP.
In the present embodiment, between mobile terminal and charger, row data communication is entered by D+ FPDP and D- FPDP
Default communication protocol include preset data form, such as, preset data form is as shown in table 1：
Table 1
Wherein, control field represents data inflow direction, such as, defines 001 and represents that data issue slave by main frame, 010
Represent that data issue main frame by slave, 100 represent Broadcast field.For data field, Bit9-Bit8 represents operational word, such as,
Define 00 and represent temperature signal, 01 represents voltage signal, and 10 represent current signal, and 11 represent synchronizing signal.Bit7-Bit0 represents
Data, 8Bits data can represent 256 kinds of data values, and for example, voltage 3.2v is represented using 00000000b, and voltage 3.3v is adopted
00000001b represents.Check field for 16Bits data CRC check and.
After determining module 20 determines supply voltage and the supply current that low-pressure direct fills adaptation, 11 basis of signal generating unit
Preset data form, generates the corresponding supply voltage packet of supply voltage, and the corresponding supply current packet of supply current.
Then the supply voltage packet for generating and supply current packet are passed through USB using communication protocol is preset by communication unit 12
The D+ FPDP of interface and D- FPDP are sent to charger.When charger receives the supply voltage packet and power supply
During current data bag, the supply voltage packet and supply current packet are parsed according to preset data form, so as to obtain confession
Piezoelectric voltage and supply current, are then charged to mobile terminal using the supply voltage and supply current.
Further, as, in charging process, the temperature of mobile terminal and charger can all rise, and in order to avoid moving
The temperature of dynamic terminal and charger is too high, and in the present embodiment, communication module 10 is in real time or timing reports the current of mobile terminal
Temperature is to charger.Alternatively, charger also can report its Current Temperatures to mobile terminal in real time or regularly.
Specifically, communication module 10 generates the corresponding temperature data of mobile terminal Current Temperatures according to preset data form
Bag, and using communication protocol is preset, the temperature data bag of generation is sent out by the D+ FPDP of USB interface and D- FPDP
Deliver to charger.When charger receives the temperature data bag, the temperature data bag is parsed according to preset data form, so as to
Obtain the current temperature of mobile terminal.In the present embodiment, a temperature threshold is also preset with, if the temperature of the mobile terminal for obtaining is big
In the preset temperature threshold value, then the current temperature of explanation mobile terminal is too high；Or, when the current temperature of charger is pre- more than this
If during temperature threshold, illustrate that the current temperature of charger is too high, charger is finely adjusted to supply current, and supply current is dropped
Low, current so as to reduce mobile terminal and charger temperature, it is to avoid mobile terminal and charger due to temperature too high and
Damage.
The scheme that the present embodiment is proposed, when the power supply parameter packet of charger transmission is received, acquiring unit 21
The power supply parameter packet is parsed according to default communication protocol, power supply parameter therein and check code is obtained, then judging unit 22
Judge whether power supply parameter packet sends exception according to check code, when verifying that power supply parameter packet sends normal, determine
Further according to power supply parameter, unit 23 determines that mobile terminal low-pressure direct fills the supply voltage of adaptation and supply current, therefore ensure that shifting
The accuracy of data communication between dynamic terminal and charger, so as to also ensure that the stability of mobile terminal charging.
The present invention further provides the control method that a kind of mobile terminal charges.
The schematic flow sheet of the control method first embodiment for charging for mobile terminal of the present invention with reference to Fig. 9, Fig. 9, the
In one embodiment, the control method that the mobile terminal charges is comprised the following steps：
Step S10, after mobile terminal is connected with charger through USB USB, described when receiving
During the broadcast data packet that charger sends, using default communication protocol, by D+ FPDP and the D- data of the USB interface
Port feedback synchronization signal is to the charger；
In the present embodiment, in order to realize the function that mobile terminal low-pressure direct fills, while the hardware for reducing mobile terminal becomes again
This, save in mobile terminal and charger setting USB PD module, it is proposed that directly using USB interface D+ FPDP with
D- FPDP realizes the data communication between mobile terminal and charger.Specifically, pre-define mobile terminal and fill first
The default communication protocol of row data communication is entered between electrical equipment by D+ FPDP and D- FPDP.Such as, default logical at this
In letter agreement, as shown in Figure 5, it is stipulated that Logic 0 represents, Logic 1 is used with the low level of 100ms and the high level of 200ms
The high level of the low level of 200ms and 100ms represents.The signal of D+ FPDP switchs to low level by high level and represents one
Start initial signal, the signal of D+ FPDP switchs to high level by low level and represents a Stop termination signal, each frame number
Start signal starts according to this, with Stop signal ended.Also, it is the M second, such as 5 to arrange per the lasting maximum duration of frame signal
Second, if being to contain up to 16bits data 5 seconds, per frame data per the lasting maximum duration of frame signal.
When user will be charged to mobile terminal, after mobile terminal is connected with charger by USB interface, charge
Device can send broadcast data packet to mobile terminal.When mobile terminal receives the broadcast data packet, mobile terminal is using default
Communication protocol, feeds back a synchronizing signal to charger by the D+ FPDP and D- FPDP of USB interface.
Alternatively, before step S10, also include step：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is being received
During to the Start signal, the broadcast data packet is sent to the mobile terminal.
Alternatively, after mobile terminal is connected with charger by USB interface, mobile terminal is sent out by D+ FPDP
Start signal is sent to charger.When charger receives the Start signal, broadcast data packet is sent to mobile terminal.
Step S20, when the power supply parameter packet of charger transmission is received, acquisition power supply parameter, and according to
The power supply parameter determines that the mobile terminal low-pressure direct fills supply voltage and the supply current of adaptation, wherein, the charger
After the synchronizing signal is received, confirm data communication connection establishment success, and confession is sent based on the default communication protocol
Electrical parameter data bag is to the mobile terminal；
When charger receives the synchronizing signal of mobile terminal transmission, confirm to shake hands between charger and mobile terminal
It has been successfully established data communication between work(, namely mobile terminal and charger to be connected.When charger confirms that data communication connection is built
After vertical success, charger sends the power supply parameter packet of charger to mobile terminal based on default communication protocol.The power supply ginseng
The confessions such as maximum voltage threshold value, maximum current threshold value that charger can be exported during power supply are included in number packets
Electrical quantity.
When mobile terminal receives the power supply parameter packet of charger transmission, power supply parameter therein is obtained, then
According to power supply parameter, determine in supply voltage and the supply current for the mobile terminal being carried out be adapted to when low-pressure direct fills.Such as, if
The maximum voltage threshold value of charger is 5v, and the current cell voltage of mobile terminal is 3v, then to can determine that mobile terminal is currently low
The supply voltage being adapted to when straightening fills is 3v；If the rated current of mobile terminal is 3A, the maximum current threshold value of charger
4A, then can determine that the supply current that mobile terminal low-pressure direct is adapted to when filling is 3A.
Step S30, using the default communication protocol, the supply voltage and supply current is passed through the D+ data terminal
Mouth and D- FPDP are sent to the charger, for the charger using the supply voltage and supply current to described
Mobile terminal is charged.
Mobile terminal is carried out after low-pressure direct fills be adapted to supply voltage and supply current determining, mobile terminal
Using default communication protocol, by D+ FPDP and the D- number of the supply voltage for determining and supply current data by USB interface
Send to charger according to port.Charger get mobile terminal low-pressure direct fill be adapted to supply voltage and supply current it
Afterwards, just using the supply voltage and supply current, mobile terminal is charged.
The present embodiment propose scheme, fill when low-pressure direct will be carried out to mobile terminal, the mobile terminal through USB interface with fill
After electrical equipment connection, when mobile terminal receives the broadcast data packet of charger transmission, using default communication protocol, pass through
The D+ FPDP of USB interface and D- FPDP feedback synchronization signal are to charger, and charger is receiving the synchronizing signal
Afterwards, confirming data communication connection establishment success, is then based on communication protocol transmission power supply parameter packet being preset to mobile terminal,
Power supply parameter in acquisition for mobile terminal packet, and determine that mobile terminal low-pressure direct fills the power supply electricity of adaptation according to power supply parameter
Pressure and supply current, then using communication protocol is preset, by supply voltage and supply current by D+ FPDP and D- data
Port is sent to charger, so that charger is charged mobile terminal using the supply voltage and supply current, due to charging
During be directly to enter line number using the existing D+ FPDP of USB interface and D- FPDP between mobile terminal and charger
According to communication, setting USB PD module in the terminal is eliminated, therefore, reduces the hardware cost of mobile terminal.
Further, as shown in Figure 10, the control method second embodiment that mobile terminal of the present invention charges is proposed.Mobile whole
The difference of the control method first embodiment that the control method second embodiment that end is charged is charged with mobile terminal is, is moving
In the control method second embodiment of terminal charge, step S20 includes：
Step S21, when the power supply parameter packet of charger transmission is received, according to the default communication protocols
View, parses the power supply parameter packet, obtains the power supply parameter and check code for including in the power supply parameter packet；
Step S22, according to the check code, judges whether the power supply parameter packet sends exception；
Step S23, when the power supply parameter packet sends normal, determines according to the power supply parameter described mobile whole
End low-pressure direct fills supply voltage and the supply current of adaptation.
In order to improve the accuracy of data communication between mobile terminal and charger, in the present embodiment, mobile terminal is connecing
When receiving the power supply parameter packet that charger sends, the power supply parameter packet can be verified.Specifically, charger is sent out
Power supply parameter and the check code of charger is contained in the power supply parameter packet for sending, and is based on when mobile terminal receives charger
During the power supply parameter packet that default communication protocol sends, mobile terminal is joined to the power supply for receiving according to default communication protocol
Number packet is parsed, and obtains power supply parameter therein and check code.Then, mobile terminal is tested according to the check code for obtaining
Whether the power supply parameter packet of card charger transmission sends exception.When verifying that power supply parameter packet sends normal, move
Further according to the power supply parameter for obtaining, dynamic terminal determines that mobile terminal low-pressure direct fills the supply voltage of adaptation and supply current.Optional
Ground, when verifying that the transmission of power supply parameter packet is normal, mobile terminal sends synchronizing signal to charging using communication protocol is preset
Device.
When verifying that power supply parameter packet sends abnormal, namely power supply parameter packet is malfunctioned in transmitting procedure, this
When, mobile terminal request charger resends a power supply parameter packet, then the power supply parameter number to receiving again
Verified according to bag, when the power supply parameter packet that checking is received again sends normal, mobile terminal is connect again further according to this
The power supply parameter for including in the power supply parameter packet of receipts determines that mobile terminal low-pressure direct fills the supply voltage of adaptation and power supply electricity
Stream.
Further, as shown in figure 11, in the present embodiment, step S30 includes：
Step S31, according to the preset data form, generates the supply voltage and the corresponding supply voltage of supply current
Packet and supply current packet；
Step S32, using the default communication protocol, by the supply voltage packet for generating and supply current data
Bag is sent to the charger by the D+ FPDP and D- FPDP.
In the present embodiment, between mobile terminal and charger, row data communication is entered by D+ FPDP and D- FPDP
Default communication protocol include preset data form, such as, preset data form is as shown in table 1.When mobile terminal determine low
After straightening fills the supply voltage of adaptation and supply current, mobile terminal generates supply voltage correspondence according to preset data form
Supply voltage packet, and the corresponding supply current packet of supply current.Then using communication protocol is preset, by generated
Supply voltage packet and supply current packet are sent to charging by the D+ FPDP of USB interface and D- FPDP
Device.When charger receives the supply voltage packet and supply current packet, the confession is parsed according to preset data form
Piezoelectric voltage packet and supply current packet, so as to obtain supply voltage and supply current, then using the supply voltage and
Supply current is charged to mobile terminal.
Further, as, in charging process, the temperature of mobile terminal and charger can all rise, and in order to avoid moving
The temperature of dynamic terminal and charger is too high, and in the present embodiment, mobile terminal is in real time or timing reports the current temperature of mobile terminal
Spend to charger.Alternatively, charger also can report its Current Temperatures to mobile terminal in real time or regularly.
Specifically, mobile terminal generates the corresponding temperature data bag of mobile terminal Current Temperatures according to preset data form,
And using communication protocol is preset, by D+ FPDP and D- FPDP transmission of the temperature data bag for generating by USB interface
To charger.When charger receives the temperature data bag, the temperature data bag is parsed according to preset data form, so as to obtain
Take the current temperature of mobile terminal.In the present embodiment, a temperature threshold is also preset with, if the temperature of the mobile terminal for obtaining is more than
The preset temperature threshold value, then the current temperature of explanation mobile terminal is too high；Or, when the current temperature of charger is default more than this
During temperature threshold, illustrate that the current temperature of charger is too high, charger is finely adjusted to supply current, and supply current is reduced,
The temperature current so as to reduce mobile terminal and charger, it is to avoid mobile terminal and charger have been damaged as temperature is too high
Bad.
The present embodiment propose scheme, receive charger transmission power supply parameter packet when, mobile terminal according to
Default communication protocol parses the power supply parameter packet, obtains power supply parameter therein and check code, is then sentenced according to check code
Whether cut-off electrical parameter data bag sends exception, and when verifying that power supply parameter packet sends normal, mobile terminal is further according to confession
Electrical quantity determines that mobile terminal low-pressure direct fills the supply voltage of adaptation and supply current, therefore ensure that mobile terminal with charger
Between data communication accuracy, so as to also ensure that mobile terminal charge stability.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
The including of his property, so that a series of process including key elements, method, article or device not only include those key elements, and
And also include other key elements for being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including to be somebody's turn to do
Also there is other identical element in the process, method of key element, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform by software to realize, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (as ROM/RAM, magnetic disc, CD), use so that a station terminal equipment including some instructions (can be mobile phone, computer, clothes
Business device, or the network equipment etc.) execute method described in each embodiment of the present invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. the control device that a kind of mobile terminal charges, it is characterised in that the control device that the mobile terminal charges includes：
Communication module, after being connected with charger through USB USB in mobile terminal, described when receiving
During the broadcast data packet that charger sends, using default communication protocol, by D+ FPDP and the D- data of the USB interface
Port feedback synchronization signal is to the charger；
Determining module, for receive the charger transmission power supply parameter packet when, obtain power supply parameter, and according to
The power supply parameter determines that the mobile terminal low-pressure direct fills supply voltage and the supply current of adaptation, wherein, the charger
After the synchronizing signal is received, confirm data communication connection establishment success, and confession is sent based on the default communication protocol
Electrical parameter data bag is to the mobile terminal；
The communication module, is additionally operable to using the default communication protocol, and the supply voltage and supply current are passed through the D
+ FPDP and D- FPDP are sent to the charger, so that the charger is using the supply voltage and power supply electricity
Stream is charged to the mobile terminal.
2. the control device that mobile terminal as claimed in claim 1 charges, it is characterised in that the communication module is additionally operable to：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is receiving
When Start signal is stated, the broadcast data packet is sent to the mobile terminal.
3. the control device that mobile terminal as claimed in claim 2 charges, it is characterised in that the Start signal be by height
Level turns low level signal.
4. the control device that mobile terminal as claimed in claim 1 charges, it is characterised in that the determining module includes：
Acquiring unit, for when the power supply parameter packet of charger transmission is received, according to the default communication protocols
View, parses the power supply parameter packet, obtains the power supply parameter and check code for including in the power supply parameter packet；
Judging unit, for according to the check code, judging whether the power supply parameter packet sends exception；
Determining unit, for when the power supply parameter packet sends normal, determining the movement according to the power supply parameter
Terminal low-pressure direct fills the supply voltage of adaptation and supply current.
5. the control device that the mobile terminal as described in any one of claim 1-4 charges, it is characterised in that the communication module
Including：
Signal generating unit, for according to the preset data form, generating the supply voltage and the corresponding power supply electricity of supply current
Pressure packet and supply current packet；
Communication unit, for adopting the default communication protocol, by the supply voltage packet for generating and supply current number
Sent to the charger by the D+ FPDP and D- FPDP according to bag.
6. the control method that a kind of mobile terminal charges, it is characterised in that the control method that the mobile terminal charges includes step
Suddenly：
After mobile terminal is connected with charger through USB USB, when receive the charger transmission
During broadcast data packet, using default communication protocol, by D+ FPDP and the D- FPDP feedback synchronization of the USB interface
Signal is to the charger；
When the power supply parameter packet of charger transmission is received, power supply parameter is obtained, and according to the power supply parameter
Determine that the mobile terminal low-pressure direct fills supply voltage and the supply current of adaptation, wherein, the charger receive described
After synchronizing signal, confirm data communication connection establishment success, and power supply parameter packet is sent based on the default communication protocol
To the mobile terminal；
Using the default communication protocol, by the supply voltage and supply current by the D+ FPDP and D- data terminal
Mouth is sent to the charger, so that the charger is carried out to the mobile terminal using the supply voltage and supply current
Charge.
7. the control method that mobile terminal as claimed in claim 6 charges, it is characterised in that described when receiving the charging
During the broadcast data packet that device sends, using default communication protocol, by D+ FPDP and the D- FPDP of the USB interface
Feedback synchronization signal also includes to before the step of the charger：
Start initial signal is sent to the charger by the D+ FPDP, so that the charger is receiving
When Start signal is stated, the broadcast data packet is sent to the mobile terminal.
8. the control method that mobile terminal as claimed in claim 7 charges, it is characterised in that the Start signal be by height
Level turns low level signal.
9. the control method that mobile terminal as claimed in claim 6 charges, it is characterised in that described receiving the charging
During the power supply parameter packet that device sends, power supply parameter is obtained, and the mobile terminal low pressure is determined according to the power supply parameter
The step of supply voltage and supply current for directly filling adaptation, includes：
When the power supply parameter packet of charger transmission is received, according to the default communication protocol, the confession is parsed
Electrical parameter data bag, obtains the power supply parameter and check code for including in the power supply parameter packet；
According to the check code, judge whether the power supply parameter packet sends exception；
When the power supply parameter packet sends normal, determine that the mobile terminal low-pressure direct fills according to the power supply parameter suitable
The supply voltage that joins and supply current.
10. the control method that the mobile terminal as described in any one of claim 6-9 charges, it is characterised in that described default logical
Letter agreement includes preset data form, described using the default communication protocol, and the supply voltage and supply current are passed through
The D+ FPDP and D- FPDP include the step of transmission to the charger：
According to the preset data form, the supply voltage and the corresponding supply voltage packet of supply current and power supply is generated
Current data bag；
Using the default communication protocol, the supply voltage packet for generating and supply current packet are passed through the D+
FPDP and D- FPDP are sent to the charger.
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| CN108769856B (en) * | 2018-06-12 | 2021-02-23 | 歌尔科技有限公司 | Method and device for establishing single-wire connection, wireless earphone and charging box |
| US11438962B2 (en) | 2018-06-12 | 2022-09-06 | Goertek Technology Co., Ltd. | Method and apparatus for establishing single-line connection, and wireless headset and charging box |
| CN109526015A (en) * | 2018-11-29 | 2019-03-26 | Tcl移动通信科技（宁波）有限公司 | LTE download control method, mobile terminal and the storage medium of mobile terminal |
| CN111988110A (en) * | 2019-05-21 | 2020-11-24 | 北京小米移动软件有限公司 | Wireless charging method and device |
| CN111988549A (en) * | 2020-07-21 | 2020-11-24 | 深圳市金锐显数码科技有限公司 | Television USB seat power supply method and device |
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| CN113489079A (en) * | 2021-05-25 | 2021-10-08 | 荣耀终端有限公司 | Terminal device and charging system |
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