WO2013143205A1 - 一种控制触摸屏的方法和移动终端 - Google Patents

一种控制触摸屏的方法和移动终端 Download PDF

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Publication number
WO2013143205A1
WO2013143205A1 PCT/CN2012/075239 CN2012075239W WO2013143205A1 WO 2013143205 A1 WO2013143205 A1 WO 2013143205A1 CN 2012075239 W CN2012075239 W CN 2012075239W WO 2013143205 A1 WO2013143205 A1 WO 2013143205A1
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WO
WIPO (PCT)
Prior art keywords
touch screen
mobile terminal
hdmi
touch
hdmi device
Prior art date
Application number
PCT/CN2012/075239
Other languages
English (en)
French (fr)
Inventor
张永亮
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to ES12872392.1T priority Critical patent/ES2640281T3/es
Priority to US14/388,852 priority patent/US9467731B2/en
Priority to EP12872392.1A priority patent/EP2816452B1/en
Publication of WO2013143205A1 publication Critical patent/WO2013143205A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224—Touch pad or touch panel provided on the remote control
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42208—Display device provided on the remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/4222—Remote control device emulator integrated into a non-television apparatus, e.g. a PDA, media center or smart toy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H04N21/43635—HDMI
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04803—Split screen, i.e. subdividing the display area or the window area into separate subareas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
    • G09G2370/047—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial using display data channel standard [DDC] communication
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

Definitions

  • the present invention and the mobile terminal relate to a method and a mobile terminal for controlling a touch screen. Background technique
  • HDMI High Definition Multimedia Interface
  • 3G Transmissiond Generation, 3rd Generation Mobile Communication
  • LTE Long Time Evolution, Long Term Evolution, Quasi 4G Mobile Communication
  • Intelligent Mobile Terminal HDMI High Definition Multimedia Interface
  • HDMI media playback devices connected to mobile terminals referring to HDTVs with HDMI interfaces, projectors, digital media players, etc.
  • Media format information that is not supported by the device itself.
  • the development trend of "cloud" terminals the terminal video media resources acquired by users through the network in an on-demand and easy-to-expand manner is becoming more and more abundant, and the use of HDMI in HDMI devices such as high-definition televisions has become an increasingly widespread application and demand.
  • MHL Mobile High-definition Link, an interface developed by Silicon Image
  • USB Universal Serial Bus
  • the playback device transmits an HDMI signal.
  • the mobile terminal converts the HDMI signal into MHL signal and outputs it to the HDMI media player such as HDTV through the adapter of the transmission channel and then back to the HDMI signal.
  • the video information of the mobile terminal is currently played on an HDMI media playback device such as a high-definition television, and the user's control interface is only limited to the terminal interface, and the manipulation is basically performed by the user on the touch screen of the mobile terminal. Touch control is implemented.
  • HDMI media playback device and a broader range of HDMI devices devices with HDMI, the present invention specifically refers to peripheral devices relative to mobile terminals, including not only media playback devices, but also media such as cameras with HDMI, digital cameras, etc.
  • the devices are currently moving in the direction of intelligence, and the human-machine interface touch is also an increasingly obvious trend.
  • touch screens are already in use in many applications. For an HDMI device with a touch screen, when the media information of the mobile terminal is interacted by the HDMI and the HDMI device, the user can only use the touch screen of the mobile phone to control User experience is more singular
  • a technical problem to be solved by embodiments of the present invention is to provide a method and a mobile terminal for controlling a touch screen to control a touch screen of an HDMI device.
  • an embodiment of the present invention provides a method for controlling a touch screen, including:
  • the mobile terminal is connected to the HDMI device, and requests the HDMI device to obtain the touch screen control right of the HDMI device;
  • the mobile terminal After receiving the response message of the HDMI device, the mobile terminal performs a control operation on the touch screen of the HDMI device.
  • the mobile terminal is connected to N HDMI devices, and N is greater than or equal to 1;
  • the mobile terminal requests the HDMI device to obtain the touch screen control right of the HDMI device after detecting that N high-definition multimedia interface (HDMI) devices are inserted or receiving an instruction;
  • HDMI high-definition multimedia interface
  • the HDMI device touch screen is associated with a display screen of the HDMI device.
  • the mobile terminal performs a control operation on the touch screen of the HDMI device, including: the mobile terminal establishes a handshake with the touch screen of the HDMI device, and traverses driving information of the touch screen of the HDMI device, such as confirming the HDMI.
  • the device touch screen is available to respond to the touch interrupt message of the touch screen of the HDMI device; if it is confirmed that the touch screen of the HDMI device is not available, the HDMI device is controlled to display prompt information on its display screen through the display data channel.
  • the controlling operation of the HDMI device touch screen by the mobile terminal further includes: after receiving the first touch message of the user, providing a touch screen validity selection menu on the display interface; after receiving the user's selection message, according to the The selection message controls the touch screen of the mobile terminal and one or more touch screens selected to be valid in the HDMI device touch screen to remain active, and the other touch screens enter a sleep state.
  • the foregoing method further includes:
  • the touch screen of the mobile terminal is associated with the display screen of the mobile terminal, and the display screen of the mobile terminal includes a main display area and N non-main display areas, where the main display area is used to display the present The currently displayed content of the mobile terminal, wherein the N non-main display areas are used to respectively display content currently displayed by the N HDMI devices;
  • the display screen of the HDMI device includes a main display area for displaying the currently displayed content of the HDMI device, and N non-main display areas for respectively displaying Other N-1 HDMI devices and content currently displayed by the mobile terminal;
  • the controlling, by the mobile terminal, the touch operation of the touch screen of the HDMI device comprising: the mobile terminal in turn detecting a user touch event of each touch screen in a preset order; determining whether the user touch event is associated with the main display area, and if yes, responding Touch control of the current display content by the user; if not, switching the content displayed in the main display area of the display screen associated with the touch screen corresponding to the user touch event to the content displayed by the non-main display area, and displaying the non-main display The content displayed in the area is switched to the content displayed in the main display area.
  • the mobile terminal controls the touch screen of the HDMI device through an HDMI or a high-definition mobile link interface.
  • the HDMI device comprises a high definition television.
  • the embodiment of the invention further provides a mobile terminal, which includes:
  • a first module configured to: request an HDMI device connected to the mobile terminal to obtain control of the touch screen of the HDMI device;
  • a second module configured to: after receiving the response message of the HDMI device, perform a control operation on the touch screen of the HDMI device.
  • the first module is configured to: after detecting that N high-definition multimedia interface (HDMI) devices are inserted or receiving an instruction, requesting, by the HDMI device, the control function of the touch screen of the HDMI device, where N is greater than Equal to 1.
  • HDMI high-definition multimedia interface
  • the second module includes: a first unit, configured to: establish a handshake with the touch screen of the HDMI device, and traverse driving information of the touch screen of the HDMI device, such as confirming that the touch screen of the HDMI device is available, responding to a touch interrupt message of the touch screen of the HDMI device; Confirming that the HDMI device touch screen is not available, the HDMI device is controlled to display a prompt message on its display screen through the display data channel.
  • a first unit configured to: establish a handshake with the touch screen of the HDMI device, and traverse driving information of the touch screen of the HDMI device, such as confirming that the touch screen of the HDMI device is available, responding to a touch interrupt message of the touch screen of the HDMI device; Confirming that the HDMI device touch screen is not available, the HDMI device is controlled to display a prompt message on its display screen through the display data channel.
  • the second module further includes:
  • a second unit configured to: after receiving the first touch message of the user, providing a touch screen validity selection menu on the display interface;
  • a third unit configured to: after receiving the selection message of the user, controlling, according to the selection message, the touch screen of the mobile terminal and one or more touch screens selected to be valid in the touch screen of the HDMI device to remain activated, Other touch screens go to sleep.
  • the second module further includes:
  • the fourth unit is configured to: after receiving the second touch message of the user, if it is determined that the touch screen touched by the user is in a sleep state, prompting the touch screen currently active in the other touch screen, or prompting the current touch screen to be in a sleep state, whether to activate the current touch screen.
  • the touch screen of the mobile terminal is associated with the display screen of the mobile terminal, and the display screen of the mobile terminal includes a main display area and N non-main display areas, where the main display area is used to display the present The currently displayed content of the mobile terminal, wherein the N non-main display areas are used to respectively display content currently displayed by the N HDMI devices;
  • the display screen of the HDMI device includes a main display area for displaying the currently displayed content of the HDMI device, and N non-main display areas for respectively displaying Other N-1 HDMI devices and content currently displayed by the mobile terminal;
  • the second module further includes: a fifth unit configured to: alternately detect user touch events of the respective touch screens in a preset order;
  • a sixth unit configured to: determine whether the user touch event is associated with the main display area, and if yes, respond to the user's touch control of the currently displayed content; if not, display the touch screen associated with the user touch event
  • the content displayed in the main display area is switched to the content displayed in the non-main display area, and the content displayed in the non-main display area is switched to the content displayed in the main display area.
  • the second module controls the touch screen of the corresponding HDMI device through an HDMI or a high-definition mobile link interface.
  • the HDMI device comprises a high definition television.
  • the embodiments of the present invention provide a method for controlling a touch screen and a mobile terminal, which can control a touch screen of the HDMI device.
  • FIG. 1 is a schematic diagram of a mobile terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a HDMI interface for controlling a high-definition television touch screen device of a mobile terminal according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a mobile terminal MHL interface controlling a high-definition television touch screen device according to a second embodiment of the present invention
  • FIG. 4 is a flowchart of a method for controlling a touch screen according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for controlling a high-definition television touch screen by a mobile terminal according to an embodiment of the present invention
  • FIG. 6 is a flow chart of a method for controlling a mobile terminal to display different screens displaying the same content according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a method for a mobile terminal to control dual screen display of different content according to an embodiment of the present invention. Preferred embodiment of the invention
  • FIG. 1 is a schematic diagram of a mobile terminal according to an embodiment of the present invention. As shown in FIG. 1, the mobile terminal of this embodiment includes:
  • the first module is configured to: after detecting that the N high-definition multimedia interface (HDMI) devices are inserted or receive the main processor instruction, request the HDMI device to obtain the touch screen control right of the HDMI device, where the HDMI device touch screen association corresponds Display screen, where N is greater than or equal to 1;
  • HDMI high-definition multimedia interface
  • a second module configured to receive the response message of the HDMI device, to the corresponding The touch screen of the HDMI device performs a control operation.
  • the second module may include:
  • a first unit configured to establish a handshake with the touch screen of the HDMI device, and traverse driving information of the touch screen of the HDMI device, such as confirming that the touch screen of the HDMI device is available, responding to a touch interrupt message of the touch screen of the HDMI device; If the HDMI device touch screen is not available, the HDMI device is controlled to display a prompt message on its display screen through the display data channel.
  • a second unit configured to provide a touch screen validity selection menu on the display interface after receiving the first touch message of the user
  • the third unit is configured to, after receiving the selection message of the user, control the touch screen of the mobile terminal and one or more touch screens of the touch screen of the HDMI device to remain active according to the selection message, and enter a sleep state in the other touch screens.
  • the fourth unit is configured to: after receiving the second touch message of the user, if it is determined that the touch screen touched by the user is in a sleep state, prompting the touch screen currently active in the other touch screen, or prompting that the current touch screen is in a sleep state, and whether the current touch screen is activated.
  • the touch screen of the mobile terminal is associated with a corresponding display screen
  • the display screen of the mobile terminal includes a main display area and N non-main display areas, and the main display area is used to display the mobile display.
  • the currently displayed content of the terminal, the N non-main display areas are used to respectively display content currently displayed by the N HDMI devices;
  • the display screen of the HDMI device includes a main display area for displaying the currently displayed content of the HDMI device, and N non-main display areas for respectively displaying Other N-1 HDMI devices and content currently displayed by the mobile terminal;
  • the second module may further include: a fifth unit, configured to take a user touch event of each touch screen in turn in a preset order; and a sixth unit, configured to determine whether the user touch event is associated with the main display area, and if yes, respond Touch control of the current display content by the user; if not, switching the content displayed in the main display area of the display screen associated with the touch screen corresponding to the user touch event to the content displayed by the non-main display area, and displaying the non-main display The content displayed in the area is switched to the content displayed in the main display area.
  • the second module is corresponding to the HDMI or high definition mobile link interface
  • the touch screen of the HDMI device is controlled.
  • the embodiments of the present invention mainly implement the control operation of the touch screen of the mobile terminal and the high definition television under the existing HDMI or MHL interface conditions.
  • the device of the embodiment of the present invention introduces the control signal of the high-definition television touch screen to a specific signal of the HDMI or MHL interface, so that the mobile terminal can control the high-definition television touch screen. The following two embodiments are described.
  • a control signal of a high-definition television touch screen is introduced to a specific signal of the HDMI interface.
  • Both mobile terminals and HDTVs have their own display screens and touch screens associated with their respective displays. The two are connected via HDMI, and an HDMI chip is added between the main chip of the mobile terminal and its own HDMI connector for processing level matching and ESD (electro-static discharge).
  • the I2C (Inter-Integrated Circuit) of the mobile terminal main chip is a two-wire serial bus developed by PHILIPS, which is used to connect the microcontroller and its peripheral devices. According to the location, it is defined as I2C_1, I2C_2, I2C_3 and I2C_4.
  • DDC Display Data Channel
  • DDC is defined as DDC-1, DDC-2, DDC-3 and DDC-4 signals, depending on the location, for handling content protection and TV resolution. Data transfer.
  • Both DDC and I2C are composed of clock lines and data lines.
  • I2C-1 is also marked with parentheses in DDC-1, but the working mode is similar, and there are differences in the protocol. Since the I2C of the mobile terminal can externally connect a plurality of peripherals with different I2C addresses, the touch screen I2C of the high-definition television can realize the control of the HDTV touch screen by the mobile terminal as long as it can receive the signal channel. However, such a connection cannot always exist. When the HDTV itself needs to control its own touch screen, the mobile terminal needs to disconnect the connection.
  • the touch screen I2C-3 of the mobile TV acts as a common external analog switch 1 to switch back and forth between the I2C-4 of the video control system and the DDC-4 which can be connected to the mobile terminal.
  • the analog switch 1 is tangentially connected to DDC-4, I2C_3 and DDC-4 (the default state is the TV control itself touch screen, the analog switch 1 is tangential to I2C_4, I2C_3 and I2C_4 are connected).
  • HPD Hot Plug Detection signals are defined as HPD-1, HPD-2, HPD-3, and HPD-4 depending on location, used to activate HDMI sinks (transmitters such as digital TV or projection) Instrument) The connection to the mobile device. Because it is only when the device is plugged or unplugged Detection, the rest of the time is not detected, so HPD can be more fully utilized for the handshake signal channel during normal communication after the mobile terminal and HDTV hardware are connected.
  • the interrupt signal TSC-IRQ of the high-definition television touch screen (the analog switch 2 common terminal is the touch screen TSC-IRQ-1, the default tangential video control system TSC-IRQ-2) is connected to the HPD, so that the high-definition television touch screen
  • the touch interrupt signal TSC-IRQ can be sent to the main chip of the mobile terminal through the channel at any time.
  • the HPD's original plug detection function is implemented in other ways (for example, by level change of a data signal channel of the TMDS), which is used for touch interruption alone.
  • the HPD of the HDTV end although the connected video control system can quickly switch the control analog switch to external control when the interface device is plugged and unplugged, the mobile terminal can request the change of the HDTV touch screen to the mobile terminal through the DDC to achieve the same purpose. Moreover, it can be avoided that the video control system is not clear about blind switching under external control conditions. Therefore, the HPD-4 in the figure is indicated by a dotted line, and it is generally not recommended to connect the HPD to the video control system.
  • the standard HDMI connector is generally 19 pins.
  • CEC Consumer Electronics Control, consumer electronics control, for one remote control to control multiple CEC-enabled HD video devices
  • TDMS Transition Minimized Differential Signaling
  • audio and video data signals for 8 signal lines; power and ground (not shown in Figure 1) and a signal pin for reserved functions.
  • the signal pin for this hold function is named Utility, and the HDMI 1.4 specification revision pin and HPD pin can be used for HE AC (HDMI Ethernet and Audio return Channel) differential pairs.
  • HEAC HDMI Ethernet and Audio return Channel
  • Utility in addition to the HPD to transmit the touch interrupt signal TSC-IRQ, Utility can also be used to transfer the reset control information (TSC_RST) of some touch screen chips.
  • TSC-RST-1, TSC are respectively identified according to different positions.
  • RST-2 and TSC_RST-3) In this case, an analog switch 3 is needed to switch the touch screen reset signal between the mobile terminal main chip and the HDTV video control system (shown by the dotted line in Fig. 1).
  • HPD is used for transmission.
  • TSC—RST Utility is used to pass TSC-IRQ.
  • the communication control of the touch screen of the HDTV can be realized (the power supply support of the touch screen for normal operation, etc.) Provided by HDTV).
  • the touch screen chip and the main chip associated with the touch screen usually have only three signal lines, and the signal line connection between the touch screen and the touch screen chip is actually more, with X, Y coordinate reading and more control signal lines. If there is a level mismatch in the above signal lines, add a level shifter.
  • the touch screen and display screen of the HDTV under the control of the mobile terminal need to provide power supply for the HDTV.
  • the display content requires the mobile terminal main chip and the HDTV video control system. DDC handshake control.
  • FIG 3 illustrates the MHL interface on the basis of Figure 2.
  • the physical structure of the MHL interface connector is a USB connector.
  • the mobile terminal and the HDTV are connected through the MHL interface.
  • Signal on the other hand, need to add an adapter between the USB connector of the mobile terminal and the HDMI connector of the HDTV to convert the MHL signal into an HDMI signal.
  • the advantage of the mobile terminal using the MHL interface is the reduction of an external interface.
  • the standard HDMI connector is generally 19 pins, and the USB connector has only 5 pins.
  • the HDMI and MHL signal conversion by the bridge chip is mainly used to use 4 pairs of TDMS audio and video data signals of HDMI occupying 8 signal lines.
  • USB D+/D- two signal lines are transmitted, and the remaining control signals including DDC, CEC (Consumer Electronics Control, Consumer Electronics Control) and HPD are all only done with USB-ID signal lines.
  • DDC Direct Digital Digital Cellularity
  • CEC Consumer Electronics Control
  • HPD High-ID
  • MHL-D/DB between the MHL bridge chip and the USB connector
  • MHL-CTL represents a control line.
  • the data rate in the USB signal path is several times higher than in the HDMI signal path, otherwise the conversion cannot be completed.
  • HDMI's TDMS data rate can be as high as 1.65Gbps, and USB requires at least 4 times faster. Therefore, the system design requires high requirements for impedance matching and signal shielding of USB signals.
  • the mobile terminal detects the peripheral plugging and unplugging by USB D+/D-level change. For the detection, the touch interrupts the USB-ID channel, so there is no possibility that the HPD plug-in detection and touch-interrupt function may occur when the HDMI interface is used and may be triggered by mistake.
  • the signal line of the existing interface can conveniently realize the control of the HDTV touch screen by the mobile terminal, which is equivalent to the same as the main chip of the mobile terminal.
  • a touch screen with two different addresses on one I2C can easily control and respond to different touch screens independently, so that the touch screen can be freely switched between.
  • FIG. 4 is a flowchart of a method for controlling a touch screen according to an embodiment of the present invention. As shown in FIG. 4, the method in this embodiment includes the following steps:
  • Step 401 After detecting that the N HDMI devices are inserted or receiving an instruction, the mobile terminal requests the HDMI device to obtain the touch screen control right of the HDMI device, where the HDMI device touch screen is associated with the corresponding display screen, where N is greater than or equal to 1 ;
  • Step 402 After receiving the response message of the HDMI device, the mobile terminal performs a control operation on the touch screen of the corresponding HDMI device.
  • Step 501 The mobile terminal passes the data line or the HPD signal line. Level detection confirms that the external HDMI device is plugged in, and the drive information of the associated peripheral is loaded;
  • the HDMI device of this embodiment specifically refers to a peripheral device relative to the terminal, and does not include the terminal itself with HDMI, and may be an HDMI media playback device (a high-definition television with HDMI, a projector, a digital media player, etc.), or may be an HDMI device.
  • Data collection equipment cameras with HDMI, digital cameras, etc.).
  • Step 502 The mobile terminal main chip communicates with the HDTV video control system through the DDC signal line, and requests the latter to obtain the control right of the HDTV touch screen;
  • Step 503 the HDTV control system answers, controls the analog switch to switch the touch screen I2C and the touch interrupt signal are respectively connected to the DDC and HPD signal lines, and give control of the HDTV touch screen;
  • Step 504 The mobile terminal obtains control of the HDTV touch screen, establishes a handshake through the I2C and the HDTV touch screen, and the mobile terminal initializes and traverses the system by reading and writing the I2C address and the device.
  • the television touch screen drive information confirm whether the current HDTV touch screen is available, if not available, proceed to step 505; if available, proceed to step 506;
  • Step 505 The mobile terminal controls the high-definition television to display a prompt message on the display screen thereof through the DDC, so that the current television touch screen is unavailable;
  • Step 506 The mobile terminal responds to the high-definition television touch screen touch interruption, and controls the display content of the television display screen through the DDC according to the coordinate information provided by the touch interruption.
  • the above process is performed on the HDTV except that the step 503 is performed on the mobile terminal.
  • the user can control the user interface of the mobile terminal through the operation of the television touch screen.
  • the processing of the display content can be further performed.
  • Step 601 The user touches the HDTV or the touch screen of the mobile terminal. If the system responds to the user touch operation, the process proceeds to step 603. If the system does not respond to the user touch operation, the process proceeds to step 602. Step 602, a pop-up dialog box prompts that the current touch screen is in a sleep state. And prompting the touch screen of the current active state, requiring the user to operate on the touch screen of the current active state, and activating the current touch screen when the touch screen is operated;
  • Step 603 The system processes a touch operation event of the user on the display interface of the mobile terminal, displays a dialog box for minimizing the icon pop-up of the specific area of the interface, or provides a touch screen validity selection menu by using a dialog box on the direct interface, and the user selects the mobile according to the selection. Whether the terminal touch screen or the TV touch screen is valid;
  • Step 604 proceeding to step 603, the system determines whether the specific touch screen enters the sleep state or remains activated according to the user's selection of the validity of the touch screen.
  • the above described flow system can be limited to having only one touch screen active at any time to circumvent possible background processing of common display content caused by simultaneous operation of different touch screens.
  • Step 701 Establish a mapping processing path corresponding to different display contents for the touch interface operation of the HDTV or the mobile terminal, and partially give a non-main display area on the display interface;
  • Such as minimizing icons, dialog boxes, or "picture in picture” that represent non-current display content a small area in a particular display screen gives a synchronized display of the content of the non-self display, ie the display interface of the HDTV A small area is displayed for displaying the content displayed on the interface of the mobile terminal, and a small area is also drawn on the mobile terminal for displaying the content displayed on the HDTV;
  • the content displayed on the main part of the current display interface is the current display content
  • the display interface partially displays the content being displayed by the mobile terminal, which is not the current display content; and vice versa.
  • the system can arbitrarily specify the content displayed in a certain display area as the current display content (ie, display the current content of the device or the terminal).
  • the content displayed is not the current display content.
  • Step 702 The mobile terminal system sequentially detects user touch events of each touch screen in a preset order: if the touch event is an associated non-main display area, if the minimized icon, dialog box, or "picture in picture" of the currently displayed content enters Step 704; otherwise, proceed to step 703;
  • Step 703 responding to the user's touch control on the currently displayed content
  • Step 704 The mobile terminal system synchronously switches the current display content of the two display screens to the non-current display content according to a preset sequence.
  • the touch event is reported to the processor of the wireless terminal, and the processor determines, according to the touch coordinate source, whether the current display content area or the current display content area touch event, if it is the former Go to step 703, respond to some submenu operations in the current display content, etc.; otherwise, the display content of the different display areas is subjected to series information processing (compression, recalculation of display coordinates, decompression, etc.), and the process proceeds to step 704.
  • the processor can arbitrarily specify the content displayed in a certain display area as the current display content, the touch event response to the current display content to the child menu, and the touch event on the non-current display content.
  • the response is a display content switch.
  • the main chip responds to the touch information and then issues a command to the video control system of the high definition television through the DDC signal line, and the video control system switches.
  • the analog switch disconnects the I2C connection between the mobile terminal and the TV touch screen, and the mobile terminal naturally gives up control of the TV touch screen.
  • the present invention can be extended in terms of multi-screen devices and methods in terms of HDMI interface control and display.
  • the I2C-2 of the mobile terminal can connect more touch screens of different addresses; on the other hand, the I2C-1 of the mobile terminal can be connected to multiple touch screens of the high-definition TV through the HDMI interface (for example) , front and rear dual screen, or front screen, two screens on the side, etc.) or multiple HDTV touch screens.
  • a plurality of touch screens correspond to a plurality of display screens, and serve two types of carriers, respectively, an HDTV and a mobile terminal. Therefore, in the processing method, if the N display screens can only correspond to the same display content, then when the flow of FIG. 6 is used, the touch screen of the active or dormant state displayed by the display interface to the user is not a single screen but a touch screen list;
  • the mobile terminal is connected to control N HDMI device touch screens at the same time, the corresponding several display screens display the same content, and the other display screens respectively display respective contents, and the user can select the touch screen of the mobile terminal and N
  • One or more touch screens in the touch screen of the HDMI device remain active, and the other touch screens enter a sleep state.
  • the touch screen entering all or part of the sleep state may be associated with the touch screen of an active state, such that the touch screen corresponding to the active state touch screen of the touch screen entering the sleep state may display the same content, and the display corresponding to the touch screen of other active states
  • the screen can be displayed independently, or other active state touch screens can also be associated with a partially sleepy touch screen, and the like.
  • the embodiments of the present invention provide a method for controlling a touch screen and a mobile terminal, which can control a touch screen of the HDMI device.

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Abstract

一种控制触摸屏的方法及移动终端，该方法包括：移动终端与HDMI设备连接，向所述HDMI设备请求取得所述HDMI设备触摸屏控制权；所述移动终端收到所述HDMI设备的应允响应消息后，对所述HDMI设备的触摸屏进行控制操作。

Description

一种控制触摸屏的方法和移动终端
技术领域
本发明及移动终端， 特别是涉及一种控制触摸屏的方法和移动终端。 背景技术
3G ( Third Generation, 第三代移动通信) 、 LTE ( Long Time Evolution, 长期演进，准 4G移动通信）智能移动终端 HDMI ( High Definition Multimedia Interface, 高清晰多媒体接口）越来越广泛使用。 通过 HDMI, 可使得连接到 移动终端的 HDMI媒体播放设备（指具有 HDMI接口的高清电视、 投影仪、 数字媒体播放器等） 不用解压缩， 就可以原封不动的播放移动终端中诸多 HDMI媒体播放设备自身不支持的媒体格式信息。 特别是 "云" 终端的发展 趋势， 用户通过网络以按需、 易扩展的方式获取的终端视频媒体资源愈加丰 富，藉由 HDMI在高清电视等 HDMI设备播放也就成为愈加广泛的应用和需 求。
此外， 还有一种和 USB (通用串行总线 )接口结构兼容的 MHL ( Mobile High-definition Link , 高清晰移动链接， Silicon Image公司研发的一种接口） 接口可用于移动终端向高清电视等 HDMI媒体播放设备传送 HDMI信号。移 动终端 HDMI信号转换为 MHL信号由 MHL接口输出后， 经传输通道的适 配器再转换回 HDMI信号送给高清电视等 HDMI媒体播放设备。但无论经由 HDMI还是 MHL接口， 目前移动终端的视频信息在高清电视等 HDMI媒体 播放设备播放， 用户的操控界面还只是局限在终端界面， 而且这种操控基本 上是通过用户对移动终端的触摸屏进行触摸控制实现的。
HDMI媒体播放设备以及更广义范围的 HDMI设备（具有 HDMI的设备， 本发明论述中特指相对于移动终端的外设， 不仅包含媒体播放设备， 也包括 如具有 HDMI的摄像机， 数码相机等的媒体釆集设备） 目前都在朝着智能化 的方向发展， 其人机界面触摸化也是日益明显的趋势， 目前很多应用场合下 已经在大量使用触摸屏。 对于具有触摸屏的 HDMI设备而言， 移动终端的媒 体信息经 HDMI和 HDMI设备交互时， 用户只能通过手机触摸屏来操控， 用 户体验方式较单一
发明内容
本发明实施例要解决的技术问题是提供一种控制触摸屏的方法及移动终 端， 以控制 HDMI设备的触摸屏。
为了解决上述技术问题， 本发明实施例提供了一种控制触摸屏的方法， 包括：
移动终端与 HDMI设备连接， 向所述 HDMI设备请求取得所述 HDMI 设备触摸屏控制权；
所述移动终端收到所述 HDMI设备的应允响应消息后， 对所述 HDMI 设备的触摸屏进行控制操作。
可选的， 移动终端与 N个 HDMI设备连接， N大于等于 1 ;
移动终端是在检测到插入 N个高清晰多媒体接口 （ HDMI )设备或接收 到指令后， 向所述 HDMI设备请求取得所述 HDMI设备触摸屏控制权；
所述 HDMI设备触摸屏与所述 HDMI设备的显示屏相关联。
可选的，所述移动终端对所述 HDMI设备的触摸屏进行控制操作，包括： 所述移动终端与所述 HDMI设备的触摸屏建立握手， 遍历所述 HDMI 设备触摸屏的驱动信息， 如确认所述 HDMI设备触摸屏可用， 则响应所述 HDMI设备触摸屏的触摸中断消息； 如确认所述 HDMI设备触摸屏不可用， 则通过显示数据通道控制所述 HDMI设备在其显示屏上给出提示信息。
可选的，所述移动终端对所述 HDMI设备触摸屏进行控制操作，还包括： 接收到用户第一触摸消息后， 在显示界面提供触摸屏有效性选择菜单； 接收到用户的选择消息后， 根据所述选择消息控制所述移动终端的触摸 屏和所述 HDMI设备触摸屏中的被选择为有效的一个或多个触摸屏保持激活 状态， 其他触摸屏进入休眠状态。
可选的， 上述方法还包括：
接收到用户第二触摸消息后， 若判断用户触摸的触摸屏处于休眠状态， 则提示其他触摸屏中当前处于激活状态的触摸屏， 或者提示当前触摸屏处于 休眠状态， 是否激活当前触摸屏。
可选的， 所述移动终端的触摸屏与所述移动终端显示屏相关联， 所述移 动终端的显示屏上包括一个主显示区和 N个非主显示区， 所述主显示区用于 显示本移动终端的当前显示的内容，所述 N个非主显示区用于分别显示 N个 HDMI设备当前显示的内容；
所述 HDMI设备的显示屏上包括一个主显示区和 N个非主显示区 ,所述 主显示区用于显示本 HDMI设备的当前显示的内容，所述 N个非主显示区用 于分别显示其它 N-1个 HDMI设备和所述移动终端当前显示的内容；
所述移动终端对所述 HDMI设备的触摸屏进行控制操作， 包括： 所述移动终端按预设顺序轮流检测各个触摸屏的用户触摸事件； 判断所述用户触摸事件是否关联主显示区， 如是， 则响应用户对当前显 示内容的触摸控制； 如不是， 则将所述用户触摸事件对应的触摸屏关联的显 示屏中的主显示区显示的内容切换为该非主显示区显示的内容， 将该非主显 示区显示的内容切换为该主显示区显示的内容。
可选的， 所述移动终端是通过 HDMI 或高清晰移动链接接口对所述 HDMI设备的触摸屏进行控制操作的。
可选的， 所述 HDMI设备包括高清电视。
本发明实施例还提供一种移动终端， 其包括：
第一模块， 其设置为： 向与所述移动终端连接的 HDMI设备请求取得所 述 HDMI设备触摸屏控制权； 以及
第二模块， 其设置为： 收到所述 HDMI设备的应允响应消息后， 对所述 HDMI设备的触摸屏进行控制操作。
可选的， 所述第一模块是设置为： 在检测到插入 N个高清晰多媒体接口 ( HDMI )设备或接收到指令后 , 向所述 HDMI设备请求取得所述 HDMI设 备触摸屏控制权， N大于等于 1。
可选的， 所述第二模块包括： 第一单元， 其设置为： 与所述 HDMI设备的触摸屏建立握手， 遍历所述 HDMI设备触摸屏的驱动信息， 如确认所述 HDMI设备触摸屏可用， 则响应 所述 HDMI设备触摸屏的触摸中断消息；如确认所述 HDMI设备触摸屏不可 用， 则通过显示数据通道控制所述 HDMI设备在其显示屏上给出提示信息。
可选的， 所述第二模块还包括：
第二单元， 其设置为： 接收到用户第一触摸消息后， 在显示界面提供触 摸屏有效性选择菜单； 以及
第三单元， 其设置为： 接收到用户的选择消息后， 根据所述选择消息控 制所述移动终端的触摸屏和所述 HDMI设备触摸屏中的被选择为有效的一个 或多个触摸屏保持激活状态， 其他触摸屏进入休眠状态。
可选的， 所述第二模块还包括：
第四单元， 其设置为： 接收到用户第二触摸消息后， 若判断用户触摸的 触摸屏处于休眠状态， 则提示其他触摸屏中当前处于激活状态的触摸屏， 或 者提示当前触摸屏处于休眠状态， 是否激活当前触摸屏。
可选的， 所述移动终端的触摸屏与所述移动终端显示屏相关联， 所述移 动终端的显示屏上包括一个主显示区和 N个非主显示区， 所述主显示区用于 显示本移动终端的当前显示的内容，所述 N个非主显示区用于分别显示 N个 HDMI设备当前显示的内容；
所述 HDMI设备的显示屏上包括一个主显示区和 N个非主显示区 ,所述 主显示区用于显示本 HDMI设备的当前显示的内容，所述 N个非主显示区用 于分别显示其它 N-1个 HDMI设备和所述移动终端当前显示的内容；
所述第二模块还包括： 第五单元，其设置为：按预设顺序轮流检测各个触摸屏的用户触摸事件； 以及
第六单元， 其设置为： 判断所述用户触摸事件是否关联主显示区， 如是， 则响应用户对当前显示内容的触摸控制； 如不是， 则将所述用户触摸事件对 应的触摸屏关联的显示屏中的主显示区显示的内容切换为该非主显示区显示 的内容， 将该非主显示区显示的内容切换为该主显示区显示的内容。 可选的， 所述第二模块是通过 HDMI或高清晰移动链接接口对对应的所 述 HDMI设备的触摸屏进行控制操作的。
可选的， 所述 HDMI设备包括高清电视。
综上， 本发明实施例提供一种控制触摸屏的方法及移动终端， 可以控制 HDMI设备的触摸屏。 附图概述
图 1为本发明实施例的移动终端的示意图；
图 2为本发明实施例一的移动终端 HDMI接口控制高清电视触摸屏装置 示意图；
图 3为本发明实施例二移动终端 MHL接口控制高清电视触摸屏装置示 意图；
图 4为本发明实施例的控制触摸屏的方法的流程图；
图 5为本发明实施例的移动终端控制高清电视触摸屏的方法流程图； 图 6 为本发明实施例的移动终端控制不同屏显示同一内容的方法流程 图；
图 7为本发明实施例的移动终端控制双屏显示不同内容的方法流程图。 本发明的较佳实施方式
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。
图 1为本发明实施例的移动终端的示意图， 如图 1所示， 本实施例的移 动终端包括：
第一模块， 设置为检测到插入 N个高清晰多媒体接口 ( HDMI )设备或 接收到主处理器指令后，向所述 HDMI设备请求取得所述 HDMI设备触摸屏 控制权， 所述 HDMI设备触摸屏关联对应的显示屏， 其中， N大于等于 1 ;
第二模块， 设置为收到所述 HDMI设备的应允响应消息后， 对对应的所 述 HDMI设备的触摸屏进行控制操作。
其中， 所述第二模块可以包括：
第一单元，设置为与所述 HDMI设备的触摸屏建立握手，遍历所述 HDMI 设备触摸屏的驱动信息， 如确认所述 HDMI设备触摸屏可用， 则响应所述 HDMI设备触摸屏的触摸中断消息； 如确认所述 HDMI设备触摸屏不可用， 则通过显示数据通道控制所述 HDMI设备在其显示屏上给出提示信息。
第二单元， 设置为接收到用户第一触摸消息后， 在显示界面提供触摸屏 有效性选择菜单；
第三单元， 设置为接收到用户的选择消息后， 根据所述选择消息控制所 述移动终端的触摸屏和所述 HDMI设备触摸屏中的一个或多个触摸屏保持激 活状态， 其他触摸屏中进入休眠状态。
第四单元， 设置为接收到用户第二触摸消息后， 若判断用户触摸的触摸 屏处于休眠状态， 则提示其他触摸屏中当前处于激活状态的触摸屏， 或者提 示当前触摸屏处于休眠状态， 是否激活当前触摸屏。
在一优选实施例中， 所述移动终端的触摸屏关联对应的显示屏， 所述移 动终端的显示屏上包括一个主显示区和 N个非主显示区， 所述主显示区用于 显示本移动终端的当前显示的内容，所述 N个非主显示区用于分别显示 N个 HDMI设备当前显示的内容；
所述 HDMI设备的显示屏上包括一个主显示区和 N个非主显示区 ,所述 主显示区用于显示本 HDMI设备的当前显示的内容，所述 N个非主显示区用 于分别显示其它 N-1个 HDMI设备和所述移动终端当前显示的内容；
所述第二模块还可以包括： 第五单元， 设置为按预设顺序轮流检测各个触摸屏的用户触摸事件； 第六单元， 设置为判断所述用户触摸事件是否关联主显示区， 如是， 则 响应用户对当前显示内容的触摸控制； 如不是， 则将所述用户触摸事件对应 的触摸屏关联的显示屏中的主显示区显示的内容切换为该非主显示区显示的 内容， 将该非主显示区显示的内容切换为该主显示区显示的内容。
其中， 所述第二模块是通过 HDMI或高清晰移动链接接口对对应的所述 HDMI设备的触摸屏进行控制操作的。
本发明实施例主要是在现有 HDMI或 MHL接口条件下实现移动终端和 高清晰电视的触摸屏的控制操作。 本发明实施例的装置把高清电视触摸屏的 控制信号引入到 HDMI或 MHL接口的特定信号， 实现移动终端能够控制高 清电视触摸屏， 以下以两个实施例进行说明。
实施例一
如图 2所示， 本实施例中， 把高清电视触摸屏的控制信号引入到 HDMI 接口的特定信号。 移动终端和高清电视均具有各自的显示屏和关联各自显示 屏的触摸屏。 两者通过 HDMI连接， 移动终端的主芯片和自身 HDMI连接器 之间加入 HDMI芯片用于处理电平匹配和 ESD ( Electro- Static discharge , 静 电释放）等。
移动终端主芯片的 I2C ( Inter-Integrated Circuit, 是由 PHILIPS公司开发 的两线式串行总线， 用于连接微控制器及其外围设备， 根据位置不同， 分别 定义为 I2C_1、 I2C_2、 I2C_3和 I2C_4 )连接 HDMI的 DDC ( Display Data Channel,显示数据通道），根据位置不同， DDC分别定义为 DDC— 1、 DDC— 2、 DDC— 3和 DDC— 4信号， 用于处理有关内容保护和电视清晰度的数据传送。
DDC和 I2C均由时钟线和数据线两^ =艮信号线组成，在图 1中 I2C— 1同时 用括号标注 DDC— 1 , 但两者间只是工作模式类似， 协议上是存在差别的。 由 于移动终端的 I2C可以外接多个不同 I2C地址的外设， 所以高清电视的触摸 屏 I2C只要能接到此信号通道，就可实现移动终端对高清电视触摸屏的控制。 但是， 这种连接不能始终存在， 当高清电视本身需要控制自身的触摸屏时， 移动终端需要断开这种连接。 因此， 移动电视的触摸屏 I2C— 3作为公共端外 接模拟开关 1在视频控制系统的 I2C— 4和可以连接到移动终端的 DDC— 4之 间来回切换。 当移动终端控制高清电视触摸屏时， 模拟开关 1切向 DDC— 4, I2C_3和 DDC— 4连通（缺省状态为电视控制自身触摸屏， 模拟开关 1切向 I2C_4, I2C_3和 I2C_4连通 ) 。
HPD ( Hot Plug Detection, 热插拔检测）信号根据位置不同， 分别定义 为 HPD— 1、 HPD— 2、 HPD— 3和 HPD— 4, 用于启动 HDMI汇点 （发射器， 如 数字电视或投影仪）与移动设备之间的连接。 由于仅在设备插拔的时候进行 检测， 其余时间不检测， 所以 HPD可以更加充分利用，使之用于移动终端和 高清电视硬件连通后正常通信期间的握手信号通道。
本实施例把高清电视触摸屏的中断信号 TSC— IRQ (模拟开关 2公共端为 触摸屏 TSC— IRQ— 1 , 缺省切向视频控制系统的 TSC— IRQ— 2 )接入到 HPD, 这样高清电视触摸屏随时的触摸中断信号 TSC— IRQ就可藉此通道送达移动 终端的主芯片。
但是 HPD 并用于插拔检测和触摸中断时， 两者的识别电平需要严格区 分， 否则很容易引起误触发。 因此， 较理想的方案是， HPD原本的插拔检测 功能通过其他方式实现（如， 通过 TMDS 某数据信号通道的电平变化来检 测）， 此信号通道单用于触摸中断。 至于高清电视端的 HPD虽然连接视频控 制系统可以在接口设备插拔时迅速切换控制模拟开关为外部控制， 但移动终 端通过 DDC 向视频控制系统发请求变更高清电视触摸屏为移动终端控制可 以达到同样目的， 而且可避免视频控制系统不清楚外部控制状况下的盲目切 换。 因此， 图中 HPD— 4以虚线表示， 通常情况下不推荐 HPD连接到视频控 制系统。
标准 HDMI连接器一般为 19个管脚， 除了上述控制信号信号外， 还有： CEC ( Consumer Electronics Control , 消费性电子控制， 用于一个遥控器控制 多个支持 CEC 的高清视频设备）控制信号； 占 8 个信号线共 4对 TDMS ( Transition Minimized Differential Signaling, 最小 4匕传输差分信号 )音视频 数据信号； 电源和地（图 1中未示出） 以及一个保留功能的信号脚。 这个保 留功能的信号脚命名为 Utility, HDMI 1.4规范修订这个管脚和 HPD脚可以 用于 HE AC ( HDMI Ethernet and Audio return Channel, HDMI以太网音频回 传）差分对。 但目前移动终端常规应用不会涉及到 HEAC。
因此， 除了可用 HPD来传递触摸中断信号 TSC— IRQ, 还可以用 Utility 来传递某些触摸屏芯片具有的复位控制信息（TSC— RST, 图 1中根据不同位 置分别标识 TSC— RST— 1、 TSC— RST— 2和 TSC— RST— 3 ) , 这种情况下就需要 增加一个模拟开关 3用于在移动终端主芯片和高清电视视频控制系统之间进 行触摸屏复位信号切换（图 1中虚线表示） 。
当然， HPD和 Utility两个信号通路也可以互换配置， 即 HPD用于传递 TSC— RST, Utility用于传递 TSC—IRQ。
对于移动终端来说，只要高清电视触摸屏的 I2C两个信号线和 TSC— IRQ 一个信号线连接到系统主芯片， 就可以实现对高清电视的触摸屏的通信控制 了 （该触摸屏正常工作的电源支持等由高清电视提供） 。 当然， 触摸屏关联 的触摸屏芯片和主芯片通常只有三根信号线， 而触摸屏和触摸屏芯片之间的 信号线连接其实是更多的， 有 X、 Y坐标读取以及更多的控制信号线等。 如 果上述信号线存在电平不匹配的情况时， 加电平转换器即可。
除了上述 I2C、 TSC— IRQ以及 TSC— RST握手信号， 移动终端控制下的 高清电视的触摸屏和显示屏正常工作还需要高清电视提供电源供应， 显示内 容则需要移动终端主芯片和高清电视视频控制系统的 DDC握手控制。
实施例二
图 3在图 2基础上对 MHL接口的情况做了说明。 MHL接口连接器物理 结构就是 USB连接器， 移动终端和高清电视通过 MHL接口连接， 一方面需 要在移动终端的主芯片和 USB连接器之间需要加入 MHL桥接芯片把主芯片 的 HDMI信号转变为 MHL信号，另一方面需要在移动终端的 USB连接器和 高清电视的 HDMI连接器之间加入适配器把 MHL信号再转变为 HDMI信号。 移动终端釆用 MHL接口的好处是减少了一个外部接口。
标准 HDMI连接器一般是 19个管脚， 而 USB连接器只有 5个管脚， 桥 接芯片所作的 HDMI和 MHL信号转换， 主要是把 HDMI占 8个信号线的 4 对 TDMS音视频数据信号仅用 USB的 D+/D-两根信号线传递， 其余控制信 号包括 DDC、 CEC ( Consumer Electronics Control, 消费性电子控制） 以及 HPD均只用 USB— ID信号线来完成。 Utility用于控制信号时也需要经 USB— ID 信号线传递控制信息。
图 2中在 MHL桥接芯片和 USB连接器之间用 MHL— D/DB表示两根数 据信号线， MHL— CTL表示一根控制线。 毫无疑问， USB信号通道中的数据 速率比 HDMI信号通道中要高出好几倍，否则是无法完成这种转换的。例如， HDMI的 TDMS数据速率可以高达 1.65Gbps, USB则需要至少 4倍以上速率。 因此系统设计对于 USB信号的阻抗匹配、 信号屏蔽等需要较高要求。
MHL接口情况下， 移动终端对外设插拔检测是通过 USB D+/D-电平变 化检测的，触摸中断走 USB— ID通道， 因此不会出现 HDMI接口情况下 HPD 插拔检测和触摸中断功能并用时可能出现误触发的状况。
由图 2和图 3可以看到， HDMI和 MHL接口两种情况下， 利用现有接 口的信号线， 均可方便地实现移动终端对高清电视触摸屏的控制， 就相当于 移动终端主芯片的同一个 I2C上挂两个地址不同的触摸屏， 可以很方便地对 不同触摸屏独立控制和响应， 因而亦可实现触摸屏之间自由切换。
图 4为本发明实施例的控制触摸屏的方法的流程图， 如图 4所示， 本实 施例的方法包括下面步骤：
步骤 401、 移动终端检测到插入 N个 HDMI设备或接收到指令后， 向所 述 HDMI设备请求取得所述 HDMI设备触摸屏控制权，所述 HDMI设备触摸 屏关联对应的显示屏， 其中， N大于等于 1 ;
步骤 402、 所述移动终端收到所述 HDMI设备的应允响应消息后， 对对 应的所述 HDMI设备的触摸屏进行控制操作。
以下以移动终端和高清电视通过 HDMI或 MHL接口物理连接妥当后， 移动终端控制高清电视触摸屏为例进行说明， 如图 5所示， 包括下面步骤： 步骤 501 , 移动终端通过数据线或 HPD信号线电平检测确认外部 HDMI 设备插入， 加载关联外设的驱动信息；
本实施例的 HDMI设备特指相对于终端的外设，不包含具有 HDMI的终 端自身， 可以是 HDMI媒体播放设备（具有 HDMI的高清电视、 投影仪、 数 字媒体播放器等） ， 也可以是 HDMI数据釆集设备（具有 HDMI的摄像机， 数码相机等） 。
步骤 502,移动终端主芯片通过 DDC信号线和高清电视视频控制系统通 信， 向后者请求取得高清电视触摸屏控制权；
步骤 503 , 高清电视控制系统应允， 控制模拟开关切换触摸屏 I2C和触 摸中断信号分别连通到 DDC和 HPD信号线， 让出对高清电视触摸屏的控制 权；
步骤 504, 移动终端取得对高清电视触摸屏的控制权， 通过 I2C和高清 电视触摸屏建立握手， 移动终端通过读写 I2C地址和设备初始化并遍历系统 中的电视触摸屏驱动信息， 确认当前高清电视触摸屏是否可用， 如不可用， 则进入步骤 505; 如可用， 则进入步骤 506;
步骤 505 ,移动终端通过 DDC控制高清电视在其显示屏上给出提示信息， 以说明当前电视触摸屏不可用；
步骤 506 , 移动终端响应高清电视触摸屏触摸中断， 并根据触摸中断提 供的坐标信息等通过 DDC对电视显示屏显示内容进行控制。
上述流程除了步骤 503是在高清电视执行， 其余均在移动终端执行。 通过上述流程， 用户就可以通过对电视触摸屏的操作实现对移动终端的 用户界面控制。
基于上述移动终端对电视触摸屏的控制实现， 且根据移动终端的对双显 示屏关联显示内容方面的支持能力， 可以进一步进行显示内容方面的处理。
对于移动终端控制双显示屏只能显示同一内容情况， 如图 6所示， 包括 下面步骤：
步骤 601 , 用户触摸高清电视或者移动终端触摸屏， 如果系统响应用户 触摸操作，则进入步骤 603;如果系统不响应用户触摸操作，则进入步骤 602; 步骤 602 , 弹出对话框提示当前触摸屏处于休眠状态， 并提示当前激活 状态的触摸屏， 要求用户到当前激活状态的触摸屏进行操作， 并可在该触摸 屏操作时激活当前触摸屏；
步骤 603 , 系统处理用户对移动终端的显示界面的触摸操作事件， 显示 界面特定区域最小化图标弹出的对话框， 或直接界面上的对话框给用户提供 触摸屏有效性选择菜单， 用户据此选择移动终端触摸屏或电视触摸屏是否有 效；
步骤 604, 承接步骤 603 , 系统根据用户对触摸屏有效性的选择， 确定具 体触摸屏进入休眠状态还是保持激活状态。
上述流程系统可以限定任何时候只有一个触摸屏有效， 以规避可能出现 的因同时操作不同触摸屏导致的公共显示内容后台处理紊乱。
对于移动终端控制双显示屏可以显示不同内容的情况， 如图 7所示， 可 以包括下面步骤： 步骤 701 , 对高清电视或移动终端的触摸界面操作建立对应不同显示内 容的互不交叉的映射处理路径， 在显示界面局部给出非主显示区；
如表征非当前显示内容的最小化图标、 对话框或 "画中画" （在某特定 显示屏中划出一小块区域给出非自身显示屏的内容的同步显示， 即高清电视 的显示界面上划出一小块区域用于显示移动终端界面上显示内容， 移动终端 上也一样划出一小块区域用于显示高清电视上显示的内容） ；
其中， 以高清电视为例， 当前显示界面主体部分显示的内容为当前显示 内容， 显示界面局部显示移动终端正在显示的内容， 则为非当前显示内容； 反之亦然。
当然， 不管是高清电视还是移动终端， 如果其当前显示界面分成两个大 小相同的区域显示不同内容时， 系统可以随意指定某个显示区域显示的内容 为当前显示内容（即显示本设备或终端当前显示的内容） ， 此时另一个显示 区域显示的内容就是非当前显示内容。
步骤 702 , 移动终端系统按预设顺序轮流检测各个触摸屏的用户触摸事 件： 如触摸事件为关联非主显示区， 如非当前显示内容的最小化图标、 对话 框或 "画中画" ， 则进入步骤 704; 否则， 进入步骤 703 ;
步骤 703 , 响应用户对当前显示内容的触摸控制；
步骤 704 , 移动终端系统按照预设顺序， 把两个显示屏的当前显示内容 同步切换为非当前显示内容。
例如， 触摸高清电视或移动终端上的小块区域后， 触摸事件上报给无线 终端的处理器， 处理器根据触摸坐标来源判断是当前显示内容区还是非当前 显示内容区的触摸事件， 如果是前者转步骤 703 , 响应当前显示内容中的某 些子菜单操作等；否则就把不同显示区域的显示内容进行系列信息处理后（压 缩、 重新计算显示坐标、 解压等）对调显示， 即转步骤 704。
对于两个显示区域大小相同的特殊情况， 处理器内部可以随意指定某个 显示区域显示的内容为当前显示内容， 对当前显示内容的触摸事件响应到子 级菜单； 对非当前显示内容的触摸事件响应为显示内容切换。
上述流程实际就保证了任何时刻各个显示屏的显示内容均不同。 如果移动终端用户无论在哪个触摸屏操作界面上要求退出对电视触摸屏 的控制， 主芯片对这种触摸信息的响应后便通过 DDC信号线向高清电视的 视频控制系统发出命令， 视频控制系统就会切换模拟开关， 断开移动终端和 电视触摸屏之间的 I2C连接关系， 移动终端自然就交出了对电视触摸屏的控 制权。
由于移动终端 I2C可以连接多个外设， 因此本发明在 HDMI接口控制和 显示方面可以进行多屏装置和方法方面的扩展。
如图 2或图 3所示， 一方面， 移动终端的 I2C— 2可以连接更多不同地址 的触摸屏； 另一方面， 移动终端的 I2C— 1经过 HDMI接口可以连接高清电视 的多个触摸屏（比如， 前后双屏， 或前面一屏， 侧面两屏等）或者多个高清 电视的触摸屏。
假定多个触摸屏对应多个显示屏， 且分别服务于高清电视和移动终端两 类载体。 于是， 在处理方法上， 如果 N个显示屏只能对应同一个显示内容， 那么釆用图 6的流程时， 那么显示界面给用户提示的激活或休眠状态的触摸 屏就不是单一某个屏而是一个触摸屏表列；
如果对应 N个显示屏有 N个显示内容，那么釆用图 7的流程时，则表征 非当前显示内容的最小化图标、 对话框或 "画中画" 为 N-1个， 两种情况下 的其余处理过程分别和图 6、 图 7 ^ ^本一致的。
另外， 若移动终端同时间连接控制 N个 HDMI设备触摸屏，也可以是其 中对应的几个显示屏显示同一个内容， 其他的显示屏分别显示各自的内容， 用户可以选择移动终端的触摸屏和 N个 HDMI设备触摸屏中的一个或多个触 摸屏保持激活状态， 其他触摸屏进入休眠状态。 可以将进入全部或部分休眠 状态的触摸屏与一个激活状态的触摸屏关联， 这样， 这些进入休眠状态的触 摸屏该关联的激活状态的触摸屏对应的显示屏可以显示同一内容， 其他激活 状态的触摸屏对应的显示屏可以独立显示， 或其他激活状态的触摸屏也可以 和部分休眠状态的触摸屏关联， 等。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
以上仅为本发明的优选实施例， 当然， 本发明还可有其他多种实施例， 在不背离本发明精神及其实质的情况下， 熟悉本领域的技术人员当可根据本 发明作出各种相应的改变和变形， 但这些相应的改变和变形都应属于本发明 所附的权利要求的保护范围。
工业实用性 本发明实施例提供一种控制触摸屏的方法及移动终端， 可以控制 HDMI 设备的触摸屏。

Claims

权 利 要 求 书
1、 一种控制触摸屏的方法， 其包括：
移动终端与 HDMI设备连接， 向所述 HDMI设备请求取得所述 HDMI 设备触摸屏控制权；
所述移动终端收到所述 HDMI设备的应允响应消息后， 对所述 HDMI 设备的触摸屏进行控制操作。
2、 如权利要求 1所述的方法， 其中，
移动终端与 N个 HDMI设备连接， N大于等于 1 ;
移动终端是在检测到插入 N个高清晰多媒体接口 （ HDMI )设备或接收 到指令后， 向所述 HDMI设备请求取得所述 HDMI设备触摸屏控制权；
所述 HDMI设备触摸屏与所述 HDMI设备的显示屏相关联。
3、 如权利要求 2所述的方法， 其中： 所述移动终端对所述 HDMI设备 的触摸屏进行控制操作， 包括：
所述移动终端与所述 HDMI设备的触摸屏建立握手， 遍历所述 HDMI 设备触摸屏的驱动信息， 如确认所述 HDMI设备触摸屏可用， 则响应所述 HDMI设备触摸屏的触摸中断消息； 如确认所述 HDMI设备触摸屏不可用， 则通过显示数据通道控制所述 HDMI设备在其显示屏上给出提示信息。
4、 如权利要求 3所述的方法， 其中： 所述移动终端对所述 HDMI设备 触摸屏进行控制操作， 还包括：
接收到用户第一触摸消息后， 在显示界面提供触摸屏有效性选择菜单； 接收到用户的选择消息后， 根据所述选择消息控制所述移动终端的触摸 屏和所述 HDMI设备触摸屏中的被选择为有效的一个或多个触摸屏保持激活 状态， 其他触摸屏进入休眠状态。
5、 如权利要求 4所述的方法， 其还包括：
接收到用户第二触摸消息后， 若判断用户触摸的触摸屏处于休眠状态， 则提示其他触摸屏中当前处于激活状态的触摸屏， 或者提示当前触摸屏处于 休眠状态， 是否激活当前触摸屏。
6、 如权利要求 2所述的方法， 其中：
所述移动终端的触摸屏与所述移动终端显示屏相关联， 所述移动终端的 显示屏上包括一个主显示区和 N个非主显示区，所述主显示区用于显示本移 动终端的当前显示的内容， 所述 N个非主显示区用于分别显示 N个 HDMI 设备当前显示的内容；
所述 HDMI设备的显示屏上包括一个主显示区和 N个非主显示区 ,所述 主显示区用于显示本 HDMI设备的当前显示的内容，所述 N个非主显示区用 于分别显示其它 N-1个 HDMI设备和所述移动终端当前显示的内容；
所述移动终端对所述 HDMI设备的触摸屏进行控制操作， 包括： 所述移动终端按预设顺序轮流检测各个触摸屏的用户触摸事件； 判断所述用户触摸事件是否关联主显示区， 如是， 则响应用户对当前显 示内容的触摸控制； 如不是， 则将所述用户触摸事件对应的触摸屏关联的显 示屏中的主显示区显示的内容切换为该非主显示区显示的内容， 将该非主显 示区显示的内容切换为该主显示区显示的内容。
7、 如权利要求 1-6任一项所述的方法， 其中：
所述移动终端是通过 HDMI或高清晰移动链接接口对所述 HDMI设备的 触摸屏进行控制操作的。
8、 如权利要求 1-6任一项所述的方法， 其中：
所述 HDMI设备包括高清电视。
9、 一种移动终端， 其包括：
第一模块， 其设置为： 向与所述移动终端连接的 HDMI设备请求取得所 述 HDMI设备触摸屏控制权； 以及
第二模块， 其设置为： 收到所述 HDMI设备的应允响应消息后， 对所述 HDMI设备的触摸屏进行控制操作。
10、 如权利要求 9所述的移动终端， 其中，
所述第一模块是设置为： 在检测到插入 N个高清晰多媒体接口（HDMI ) 设备或接收到指令后，向所述 HDMI设备请求取得所述 HDMI设备触摸屏控 制权， N大于等于 1。
11、 如权利要求 10所述的移动终端， 其中： 所述第二模块包括： 第一单元， 其设置为： 与所述 HDMI设备的触摸屏建立握手， 遍历所述 HDMI设备触摸屏的驱动信息， 如确认所述 HDMI设备触摸屏可用， 则响应 所述 HDMI设备触摸屏的触摸中断消息；如确认所述 HDMI设备触摸屏不可 用， 则通过显示数据通道控制所述 HDMI设备在其显示屏上给出提示信息。
12、 如权利要求 11所述的移动终端， 其中： 所述第二模块还包括： 第二单元， 其设置为： 接收到用户第一触摸消息后， 在显示界面提供触 摸屏有效性选择菜单； 以及
第三单元， 其设置为： 接收到用户的选择消息后， 根据所述选择消息控 制所述移动终端的触摸屏和所述 HDMI设备触摸屏中的被选择为有效的一个 或多个触摸屏保持激活状态， 其他触摸屏进入休眠状态。
13、 如权利要求 11所述的移动终端， 其中： 所述第二模块还包括： 第四单元， 其设置为： 接收到用户第二触摸消息后， 若判断用户触摸的 触摸屏处于休眠状态， 则提示其他触摸屏中当前处于激活状态的触摸屏， 或 者提示当前触摸屏处于休眠状态， 是否激活当前触摸屏。
14、 如权利要求 10所述的移动终端， 其中：
所述移动终端的触摸屏与所述移动终端显示屏相关联， 所述移动终端的 显示屏上包括一个主显示区和 N个非主显示区，所述主显示区用于显示本移 动终端的当前显示的内容， 所述 N个非主显示区用于分别显示 N个 HDMI 设备当前显示的内容；
所述 HDMI设备的显示屏上包括一个主显示区和 N个非主显示区 ,所述 主显示区用于显示本 HDMI设备的当前显示的内容，所述 N个非主显示区用 于分别显示其它 N-1个 HDMI设备和所述移动终端当前显示的内容；
所述第二模块还包括：
第五单元，其设置为：按预设顺序轮流检测各个触摸屏的用户触摸事件； 以及 第六单元， 其设置为： 判断所述用户触摸事件是否关联主显示区， 如是， 则响应用户对当前显示内容的触摸控制； 如不是， 则将所述用户触摸事件对 应的触摸屏关联的显示屏中的主显示区显示的内容切换为该非主显示区显示 的内容， 将该非主显示区显示的内容切换为该主显示区显示的内容。
15、 如权利要求 9-14任一项所述的移动终端， 其中：
所述第二模块是通过 HDMI或高清晰移动链接接口对对应的所述 HDMI 设备的触摸屏进行控制操作的。
16、 如权利要求 9-14任一项所述的移动终端， 其中：
所述 HDMI设备包括高清电视。
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