WO2019105188A1 - 触感信号的处理方法、系统、装置及电子设备 - Google Patents

触感信号的处理方法、系统、装置及电子设备 Download PDF

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Publication number
WO2019105188A1
WO2019105188A1 PCT/CN2018/114062 CN2018114062W WO2019105188A1 WO 2019105188 A1 WO2019105188 A1 WO 2019105188A1 CN 2018114062 W CN2018114062 W CN 2018114062W WO 2019105188 A1 WO2019105188 A1 WO 2019105188A1
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WIPO (PCT)
Prior art keywords
touch
signal
operating system
touch signal
encoded
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PCT/CN2018/114062
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English (en)
French (fr)
Inventor
贺欣
Original Assignee
广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Application filed by 广州视源电子科技股份有限公司, 广州视睿电子科技有限公司 filed Critical 广州视源电子科技股份有限公司
Priority to EP18884386.6A priority Critical patent/EP3702893B1/en
Priority to US16/768,012 priority patent/US11036329B2/en
Priority to ES18884386T priority patent/ES2910513T3/es
Publication of WO2019105188A1 publication Critical patent/WO2019105188A1/zh

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    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means

Definitions

  • the present invention relates to the field of touch technologies, and in particular, to a method, system, device, and electronic device for processing a tactile signal.
  • touch devices such as capacitive, resistive, electromagnetic or infrared touch devices.
  • the touch sensor of the touch device can collect the touch signal, wherein When the type of the touch device is different, the touch signal may be different.
  • the touch signal when the touch device is electromagnetic, the collected touch signal includes the amount of change of the magnetic flux and the frequency of the received electromagnetic signal.
  • the touch device is capacitive, the collected device is collected.
  • the tactile signal includes a change in capacitance.
  • the control chip of the touch device can convert the touch signal into a touch signal, and encode the touch signal according to the data encoding specification supported by the operating system, and then transmit to the operating system of the electronic device, and the touch response is performed by the operating system. .
  • the touch device With the improvement of touch precision, the amount of signals that the control chip needs to process is getting larger and larger, and the requirements for its signal processing capability are getting higher and higher.
  • the touch device In order to improve the signal processing capability of the control chip, the touch device needs to adopt a high-performance chip.
  • the high cost and high volume of the high-performance chip will increase the cost and volume of the touch device.
  • the embodiments of the present invention provide a method, a system, a device, and an electronic device for processing a tactile signal, so as to solve the problem that the high-performance chip causes the cost and the volume of the touch device to increase.
  • a processing system for a tactile signal including a touch device including a touch sensor, the host device being equipped with an operating system, and the operating system including signal processing Code and touch driver;
  • the touch sensor generates a haptic signal, and the touch device transmits the haptic signal to the operating system;
  • the signal processing code converts a touch signal received by the operating system into a touch signal, and transmits the touch signal to the touch device, wherein the touch signal includes at least a touch position signal;
  • the touch device encodes the touch signal according to a standard data encoding specification, and sends the encoded touch signal to the operating system;
  • the touch driver analyzes the encoded touch signal.
  • the touch sensor comprises one or more of the following:
  • Infrared touch frame electromagnetic board, capacitive touch pad, resistive touch pad, pressure sensor.
  • the tactile signal when the touch sensor is an electromagnetic plate, the tactile signal includes a magnetic flux change amount and a frequency of the received electromagnetic signal, and the touch signal includes a touch position signal corresponding to the magnetic flux change amount. And a pressure sensitive signal corresponding to the frequency.
  • the touch device transmits the tactile signal to the operating system via any of the following interfaces:
  • USB-bulk interface USB-hid interface
  • RS232 interface RS232 interface
  • the touch device transmits the encoded touch signal to the operating system via a USB-hid interface.
  • the operating system further includes a virtual touch device and an input subsystem, the virtual touch device being respectively coupled to the signal processing code and the input subsystem;
  • the touch signal is sent to the virtual touch device, or the touch signal is sent to the touch device;
  • the virtual touch device encodes the received touch signal according to a data encoding specification supported by the input subsystem, and sends the received touch signal to the input subsystem;
  • the input subsystem generates a corresponding touch event in response to the touch signal encoded by the virtual touch device.
  • a method for processing a haptic signal is applied to an operating system, including the steps of:
  • the method further comprises the following steps before transmitting the touch signal to the touch device:
  • the input subsystem is configured to generate a corresponding touch event in response to the touch signal encoded by the virtual touch device
  • the step of transmitting the touch signal to the touch device is performed when the virtual touch device is not detected.
  • a device for processing a haptic signal which is applied to an operating system, includes:
  • a haptic signal receiving module configured to receive a haptic signal generated by a touch sensor of the touch device
  • a haptic signal conversion module configured to convert the haptic signal into a touch signal, wherein the touch signal includes at least a touch position signal;
  • a touch signal returning module configured to send the touch signal to the touch device, so that the touch device encodes the touch signal according to a standard data encoding specification
  • a touch signal transmission module configured to receive the touch signal encoded by the touch device, and send the touch signal to the touch driver, so that the touch driver parses the touch signal received by the touch driver.
  • an electronic device equipped with a touch device, a processor, and a memory for storing the processor-executable instructions;
  • the touch device includes a touch sensor;
  • the processor is coupled to the memory for reading program instructions stored by the memory and, in response, performing operations in the method as described above.
  • the electronic device comprises a smart tablet.
  • the smart tablet includes an electronic whiteboard.
  • one or more machine-readable storage medium having stored thereon instructions that, when executed by one or more processors, cause the terminal device to perform operations in the method as described above.
  • the processor is further configured to perform the following operations:
  • the touch signal is sent to the virtual touch device, so that the virtual touch device encodes the touch signal according to a data encoding specification supported by the input subsystem, and sends the touch signal to the input subsystem. Transmitting; the input subsystem is configured to generate a corresponding touch event in response to the touch signal encoded by the virtual touch device;
  • the touch signal is transmitted to the touch device.
  • the electronic device comprises a smart tablet.
  • the smart tablet includes an electronic whiteboard.
  • Embodiments provided by the present invention after the touch sensor of the touch device generates a tactile signal, transmit the tactile signal to the operating system, and the operating system converts the tactile signal into a touch signal, and transmits the touch signal to the touch device, and the touch device
  • the touch signal is encoded and returned to the operating system according to standard data coding specifications. Therefore, the touch device does not need to perform the conversion process of the touch signal to the touch signal, and the performance requirement of the control chip can be reduced, and the low performance chip can be used as the control chip in the touch device, thereby reducing the cost and volume of the touch device. .
  • FIG. 1 is a block diagram of a processing system for a haptic signal according to an exemplary embodiment of the present invention
  • FIG. 2 is a block diagram of a processing system for a haptic signal according to another exemplary embodiment of the present invention.
  • FIG. 3 is a flow chart showing a method of processing a haptic signal according to an exemplary embodiment of the present invention
  • FIG. 4 is a block diagram of a processing device for a haptic signal according to an exemplary embodiment of the present invention.
  • FIG. 5 is a hardware structural diagram of an electronic device according to an exemplary embodiment of the present invention.
  • first, second, third, etc. may be used to describe various information in the present invention, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information without departing from the scope of the invention.
  • second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "when” or “when” or “in response to a determination.”
  • FIG. 1 is a block diagram of a processing system 100 for a haptic signal according to an exemplary embodiment of the present invention.
  • the processing system 100 may include a touch device 120 and a host device 140.
  • the touch device 120 may include a touch sensor 121.
  • the host device 140 is equipped with an operating system (not shown in FIG. 1), and the operating system may include a signal processing code 141 and a touch driver 145.
  • the host device 140 may refer to a part of the host or the host of the electronic device for implementing a touch response.
  • the touch device 120 may refer to a touch input device that is independent of the electronic device, and may also refer to a touch installed on the electronic device.
  • Input device where the electronic device can be a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, a smart writing device, an email device, a game console, a tablet computer, Wearables, smart locomotives, driverless cars, smart refrigerators, other smart home devices, or a combination of any of these devices.
  • the smart writing device can be an electronic whiteboard, an electronic blackboard, or the like.
  • the touch screen type corresponding to the touch device 120 may be electromagnetic, infrared, capacitive, resistive, or pressure sensitive.
  • the touch screen type of the smart phone is capacitive or resistive
  • the touch screen type of the smart writing board is The electromagnetic touch type of the infrared display is infrared.
  • touch sensors 121 are different in type, the types of the touch sensors 121 are different, the touch signals collected by the touch devices are different, and the touch signals obtained by the conversion are not completely the same.
  • touch sensors 121 are listed below for different types of touch screens:
  • the touch screen is an infrared touch screen
  • the touch sensor 121 is an infrared touch frame.
  • the touch signal collected may include a signal indicating that the infrared light is blocked, and the converted touch signal may include a position touch signal, and the touch signal may include a touch position.
  • the touch screen is an electromagnetic touch screen
  • the touch sensor 121 is an electromagnetic board.
  • the touch signal collected by the touch sensor may include a change amount of the magnetic flux and a frequency of the received electromagnetic signal, and the converted touch signal may include corresponding to the flux change amount.
  • the touch position signal, the pressure sensitive signal corresponding to the frequency, the touch position signal may include an X coordinate and a Y coordinate of the touch position.
  • the pressure sensitive signal can include a pressure value.
  • the touch screen is a capacitive touch screen
  • the touch sensor 121 is a capacitive touch panel.
  • the collected touch signal may include current flowing through each electrode of the touch screen
  • the converted touch signal may include a position touch signal
  • the touch signal at the position may be Includes the X and Y coordinates of the touch location.
  • the touch screen is a resistive touch screen, and the touch sensor 121 is a resistive touch panel.
  • the touch signal collected may include a voltage at a touch position, and the converted touch signal may include a position touch signal, where the touch signal may include a touch position.
  • the touch screen is a pressure sensitive touch screen
  • the touch sensor 121 is a pressure sensor
  • the collected touch signal may include a pressure signal
  • the converted touch signal may include a position touch signal
  • the touch position signal may include an X coordinate of the touch position and Y coordinate.
  • the touch screen of the touch device 120 may include at least two types of touch screens: an electromagnetic touch screen, an infrared touch screen, a capacitive touch screen, a resistive touch screen, and a pressure sensitive touch screen.
  • the touch sensor 121 may include an infrared touch frame. At least two of an electromagnetic board, a capacitive touch panel, a resistive touch panel, and a pressure sensor.
  • the touch device 120 may be other types of touch screens, which are not limited in this embodiment of the present specification.
  • the touch sensor 121 collects the tactile signal
  • the touch sensor when the touch device 120 transmits the tactile signal to the operating system, if the touch sensor is a device that has both the control function and the acquisition function, such as a touch sensor chip, the touch sensor 121 can directly pass through the predetermined interface.
  • the haptic signal is transmitted to an operating system.
  • the predetermined interface mentioned here may be a USB-bulk interface, an RS232 interface or a USB-hid interface (hid is an abbreviation of Human Interface Devices, ie, a human interface device), and the USB-hid interface may be a universal USB-hid interface.
  • the predetermined interface may also be a signal transmission interface customized by the designer of the solution of the present invention or other equipment manufacturer.
  • the touch device 120 may further include a touch processing chip 123.
  • the touch processing chip 123 may read the touch sensor 121 from the touch sensor 121.
  • the touch signal is transmitted by the touch processing chip 123 to the transmission operating system through the predetermined interface.
  • the touch processing chip 123 mentioned herein may be a main control chip (also referred to as a main processing chip or a central processing unit) of the touch device, or may be an additional processing chip of the touch device 120, and the processing chip may be installed on the processing chip.
  • the touch device 120 may also be disposed outside the touch device 120.
  • Receiving the haptic signal in the operating system is a signal processing code 141, which is a logically sensed module for converting the received haptic signal into a touch signal and transmitting it back to the touch device 120.
  • the signal processing code 141 is a module in a logical sense, which may be external to the central processing unit (also referred to as a main control chip or a main processing chip) or a central processing unit through the host device 140 where it is located.
  • Other processing chips are formed by reading corresponding computer program instructions in a readable medium such as a non-volatile memory into a memory.
  • the processor or other processing chip other than the processor of the host device 140 can read the program instructions stored in its memory and, in response, convert the haptic signals into touch signals.
  • the conversion mode can be adopted according to the working principle of each type of touch screen.
  • the haptic signal is a current generated by the capacitive touch screen flowing through each electrode of the touch screen, and the X coordinate and the Y coordinate of the touch point position can be determined according to the ratio of the currents of the respective levels.
  • the signal processing code 141 may transmit the touch signal to the touch device 120 in order to facilitate subsequent recognition by the operating system in response to the touch signal.
  • the touch signal is transmitted here, it can also be transmitted through the above predetermined interface.
  • the touch device 120 may include a memory and a non-volatile memory, and a code for encoding a touch signal may be stored in the memory, the code including executable program instructions, after the touch device 120 receives the touch signal
  • the touch processing chip 123 of the touch device 120 can read executable program instructions from the non-volatile memory to the memory to form a module in a logical sense.
  • the module can be simply referred to as a signal encoding code.
  • the signal The encoded code can encode the received touch signal in accordance with standard data encoding specifications and then transmit it to the operating system.
  • the touch signal encoded by the touch device 120 is parsed by the touch driver 145 of the operating system.
  • the standard data encoding specifications may also be different when the types of touch devices 120 are different.
  • the standard data encoding specification mentioned here may be a standard USB multi-touch hid protocol corresponding to the USB-hid interface.
  • the touch driver 145 may be a multi-touch driver (hid-multitouch driver).
  • the processing system 100 can be applied to an electronic device, and the touch device 120 can include a touch screen.
  • the touch sensor 121 can be mounted on the touch screen or can be independent of the touch screen.
  • the processing system 100 may further include an interface (not shown in FIG. 1 , which may be the predetermined interface described above) disposed between the touch device 120 and the operating system, and the operating system may further include an input subsystem (input_device) 143.
  • the touch sensor 121 may generate a haptic signal
  • the touch device 120 transmits the haptic signal to the operating system
  • the signal processing code 141 in the operating system may convert the received haptic signal into a touch signal.
  • the touch processing chip 123 of the touch device 120 encodes the touch signal according to a standard data encoding specification, and transmits the encoded touch signal to an operating system, and is driven by a touch of an operating system.
  • 145 parses the encoded touch signal, and the parsed touch signal can be transmitted to the input subsystem 143, and directly recognized by the input subsystem 143 to generate a corresponding touch event.
  • the input subsystem 143 may be composed of a device driver layer, an input core layer, and an event processing layer.
  • the device driver layer may convert the underlying hardware input into a unified event form, report to the input core layer, and input the core layer to enable The device registration and operation interface input by the hardware driver layer notifies the event processing layer to process the event.
  • the touch signal may be transmitted through the predetermined interface according to different requirements. For example, when the communication speed is high, the touch signal may be transmitted through the USB-bulk interface; The communication speed is required, and the stability of the communication is also required.
  • the tactile signal can be transmitted through the USB-hid interface; if the communication process is required to be streamlined, the tactile signal can be transmitted through the RS232 interface. Before transmitting the tactile signal through the corresponding interface, it can be converted into the protocol supported by the corresponding interface and then transmitted through the corresponding interface.
  • the operating system transmits the touch signal to the touch device 120 through the corresponding interface, it may also be converted into a protocol supported by the corresponding interface, and then transmitted through the corresponding interface.
  • other types of interfaces may be used to transmit the haptic signal or the back touch signal, which is not limited in this embodiment of the present specification.
  • the input device is configured to refer to the architecture diagram of the processing system 200 of the haptic signal shown in FIG. 2 .
  • the processing system 200 may include a touch device 220 and a host device 240 .
  • the touch device 220 may include a touch sensor 221 , and the host device 240 Equipped with an operating system, the operating system may include a signal processing code 241, a virtual touch device 242, an input subsystem 243, and a touch driver 245.
  • the touch device 220, the touch sensor 221, the signal processing code 241, the touch driver 245, and the input subsystem 243 in this embodiment correspond to the technical content in the embodiment related to FIG. 1 when all or part of the following operations are performed. It also corresponds to the technical content in the embodiment involved in FIG. 1 , and details are not described herein again:
  • the touch sensor 221 generates a tactile signal, and the touch device 220 transmits the tactile signal to the operating system;
  • the signal processing code 241 converts the touch signal received by the operating system into a touch signal, and transmits the touch signal to the touch device 220;
  • the touch device 220 encodes the touch signal according to a standard data encoding specification, and transmits the encoded touch signal to an operating system;
  • the touch driver 245 parses the encoded touch signal and transmits it to the input subsystem 243;
  • the input subsystem 243 directly identifies the parsed touch signal and generates a corresponding touch event.
  • the touch signal may not be sent to the touch device 220, but the touch signal is sent to the virtual touch device 242.
  • the touch device 242 encodes the received touch signal in accordance with a data encoding specification supported by the input subsystem 243 and transmits it to the input subsystem 243, and the input subsystem 243 generates a corresponding touch in response to the touch signal encoded by the virtual touch device. event.
  • the virtual device with the touch device 220 function and running in the operating system is simulated by software.
  • the input subsystem 243 can be scheduled to transmit signals to the input subsystem 243.
  • the data encoding specification that is, the data encoding specification supported by the input subsystem 243, which may be a valid data encoding specification extracted from a standard data encoding specification, or may be a predetermined data encoding specification.
  • the virtual touch devices 240 may also be different, and the data encoding specifications supported by the input subsystem 243 may also be different.
  • the touch device 220 is an infrared touch frame device
  • the virtual touch device 240 is a virtual touch frame device.
  • the data encoding specification supported by input subsystem 243 may be an active touch data protocol extracted from the USB multi-touch hid protocol corresponding to the USB-hid interface.
  • extraction means that the standard USB multi-touch hid protocol will add some headers, messages, etc. required by the USB transmission protocol to the effective touch data protocol for transmission by the USB protocol, and these data inputs are added.
  • the data encoding specification supported by the input subsystem 243 may also be a predetermined data encoding specification according to the application requirements of the touch device 220 by the designer of the solution, and the embodiment of the present specification is not limited herein.
  • the processing system 200 can be applied to an electronic device, and the touch device 220 can include a touch screen.
  • the touch sensor 221 can be mounted on the touch screen or can be independent of the touch screen.
  • the processing system 200 can also include an interface (the predetermined interface described above) disposed between the touch device 220 and the operating system.
  • the touch sensor 221 may generate a tactile signal, and the touch device 220 transmits the tactile signal to the operating system, and the signal processing code 241 in the operating system may convert the received tactile signal into a touch signal.
  • the virtual touch device 242 And transmitting the touch signal to the virtual touch device 242, and then the virtual touch device 242 encodes the touch signal according to the data encoding specification supported by the input subsystem 243, and sends the encoded touch signal to the input subsystem 243.
  • a corresponding touch event is generated by the input subsystem 243 in response to the encoded touch signal.
  • the data encoding specification used by the virtual touch device 242 to encode the touch signal may be related to the type of the touch screen corresponding to the touch device 220 after the signal processing code 241 converts the touch signal into a touch signal and transmits the signal to the virtual touch device 242. .
  • the data encoding specification may be a USB protocol supporting a single electromagnetic pen input, encoding the touch signal as a touch signal triggered by a single electromagnetic pen, and then mapping the encoded touch signal to the In the body of the USB protocol.
  • the touch signal can be mapped into the body of the USB protocol in the format in Table 1 below (corresponding to the descriptor of the hid pen):
  • the data encoding specification may be a multi-touch protocol.
  • the touch signal is encoded into data satisfying the format specified by the multi-touch protocol, and then the encoded touch signal is encoded. Packaged into the package of the same packet.
  • the touch signal can be mapped into the body of the multi-touch protocol according to the format in Table 2 below (corresponding to the hid multi-touch descriptor):
  • the data of the first touch point includes status, ID, X, Y, Pressure information, corresponding byte numbers 1 to 8; data of the second point touch point, including status, ID, X, Y, Pressure information, corresponding byte number 9 to 16; byte number 17 indicates that there are several touch points (several pens) in the current data packet.
  • the resolution of the touch screen is 32767*32767
  • the origin of the coordinate is the upper left corner of the touch screen
  • the touch signal may include data of more touch points, such as position coordinates including more than six pixels.
  • virtual The touch device 242 can perform block coding on the touch signal according to the data coding specification, and generate one data packet per coded touch signal, and a data packet contains position coordinates of up to six pixel points.
  • the touch signals can be mapped into the body of a data packet according to the format in Table 3 below:
  • Each data packet contains data of up to 6 touch points, and each data packet is sent separately.
  • the first data packet sent may include the number of valid touch points triggered this time, other data packets are sent 0x00 at the corresponding position, and the input subsystem 243 may Different touch points are distinguished by touching the ID of the point.
  • the touch signal After inputting the encoded touch signal received by the subsystem 243, the touch signal can be parsed by using a corresponding protocol, the touch signal is parsed, and then converted into a corresponding touch event.
  • FIG. 3 is a flowchart of a method for processing a haptic signal according to an exemplary embodiment of the present invention.
  • the embodiment is applied to an operating system, and may include the following steps S301-S305:
  • Step S301 Receive a tactile signal generated by a touch sensor of the touch device.
  • Step S302 Convert the touch signal into a touch signal, wherein the touch signal includes at least a touch position signal.
  • Step S303 Send the touch signal to the touch device, so that the touch device encodes the touch signal according to a standard data encoding specification.
  • Step S304 Receive the touch signal encoded by the touch device.
  • Step S305 transmitting the encoded touch signal to the touch driver, so that the touch driver parses the encoded touch signal.
  • the embodiment of the present invention can be applied to the operating system shown in FIG. 1 or FIG. 2, and the operating system can be an operating system of various electronic devices with a touch screen, such as a display, a learning machine, a smart tablet, and the like, and a smart tablet such as an electronic device. Blackboard, electronic whiteboard, etc.
  • These electronic devices are installed with various applications required by users, such as text editing applications, image editing applications, social applications, e-commerce applications, search applications, browser applications, and the like.
  • a text editing application such as an application of a whiteboard application
  • the input subsystem of the operating system generates a corresponding touch event according to the received touch signal, and can upload it to the corresponding application to assist the application in responding to the event.
  • the trigger event corresponding to the touch signal triggered by the electromagnetic pen is an event of adding written content
  • the operating system can assist the application to control the writing content triggered by the electromagnetic pen.
  • the processing method of the haptic signal of the present invention may further send the touch signal to the virtual touch device when the virtual touch device is detected, so that The virtual touch device encodes the touch signal according to a data encoding specification supported by the input subsystem, and sends the touch signal to the input subsystem; the input subsystem is configured to respond to the touch signal encoded by the virtual touch device to generate a corresponding Touch event.
  • the virtual touch device encodes the touch signal according to a data encoding specification supported by the input subsystem, and sends the touch signal to the input subsystem; the input subsystem is configured to respond to the touch signal encoded by the virtual touch device to generate a corresponding Touch event.
  • the step of transmitting the touch signal to the touch device is performed when the virtual touch device is not detected.
  • FIG. 4 is a block diagram of a processing device for a haptic signal according to an exemplary embodiment of the present invention.
  • the device may be applied to an operating system, including: a haptic signal receiving module 410, a haptic signal conversion module 420, and a touch signal backhaul. Module 430 and touch signal transmission module 440.
  • the haptic signal receiving module 410 is configured to receive a haptic signal generated by a touch sensor of the touch device.
  • the haptic signal conversion module 420 is configured to convert the haptic signal into a touch signal, wherein the touch signal includes at least a touch position signal.
  • the touch signal returning module 430 is configured to send the touch signal to the touch device, so that the touch device encodes the touch signal according to a standard data encoding specification.
  • the touch signal transmission module 440 is configured to receive the touch signal encoded by the touch device, and send the touch signal to the touch driver, so that the touch driver parses the touch signal received by the touch driver.
  • the touch sensor includes one or more of the following:
  • Infrared touch frame electromagnetic board, capacitive touch pad, resistive touch pad, pressure sensor.
  • the touch signal when the touch sensor is an electromagnetic plate, the touch signal includes a magnetic flux change amount and a frequency of the received electromagnetic signal, and the touch signal includes a touch position signal corresponding to the magnetic flux change amount and The pressure sensitive signal corresponding to the frequency.
  • the touch device transmits the tactile signal to the operating system via any of the following interfaces:
  • USB-bulk interface USB-hid interface
  • RS232 interface RS232 interface
  • the touch device transmits the encoded touch signal to the operating system via a USB-hid interface.
  • the processing device for the haptic signal of the embodiment of the present invention includes:
  • a first sub-transport module configured to send the touch signal to the virtual touch device when the virtual touch device is detected, so that the virtual touch device encodes the touch signal according to a data encoding specification supported by the input subsystem, and Sending to the input subsystem;
  • the input subsystem is configured to generate a corresponding touch event in response to the touch signal encoded by the virtual touch device;
  • a second sub-transport module configured to send the touch signal to the touch device when the virtual touch device is not detected.
  • the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
  • the device embodiments described above are merely illustrative, wherein the units or modules described as separate components may or may not be physically separate, and the components displayed as units or modules may or may not be physical units. Or modules, which can be located in one place, or distributed to multiple network units or modules. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solution of the present invention. Those of ordinary skill in the art can understand and implement without any creative effort.
  • Embodiments of the processing device for the tactile signal of the present invention can be applied to an electronic device.
  • This can be implemented by a computer chip or an entity, or by a product having a certain function.
  • the specific form of the electronic device may be a personal computer with a electromagnetic screen, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, a smart writing device, Email transceivers, game consoles, tablets, wearables, Internet TVs, smart locomotives, driverless cars, smart refrigerators, other smart home devices, or a combination of any of these devices.
  • the smart writing device can be an electronic whiteboard, an electronic blackboard, or the like.
  • the device embodiment may be implemented by software, or may be implemented by hardware or a combination of hardware and software.
  • a processor of the electronic device in which it is located reads a corresponding computer program instruction in a readable medium such as a non-volatile memory into a memory.
  • a hardware level as shown in FIG. 5, a hardware structure diagram of an electronic device in which the processing device for the tactile signal of the present invention is located, except for the processor, the memory, the network interface, and the nonvolatile memory shown in FIG. 5.
  • the electronic device in which the device is located in the embodiment may be equipped with a touch device according to the actual function of the electronic device.
  • the touch device may be installed on the electronic device or may be independent of the electronic device.
  • the touch device may include The touch sensor, such as an electromagnetic touch screen, the electromagnetic touch screen includes an electromagnetic sensor, and may also include other hardware, which will not be described again.
  • the memory of the electronic device may store program instructions executable by the processor; the processor may couple the memory for reading the program instructions stored by the memory, and in response, perform the operation of: receiving a tactile signal generated by the touch sensor; Converting the haptic signal into a touch signal, wherein the touch signal includes at least a touch position signal; transmitting the touch signal to the touch device such that the touch device encodes the touch signal according to a standard data encoding specification; Receiving the touch signal encoded by the touch device and transmitting to the touch driver, so that the touch driver parses the encoded touch signal.
  • the processor is further configured to perform the following operations:
  • the touch signal is sent to the virtual touch device, so that the virtual touch device encodes the touch signal according to a data encoding specification supported by the input subsystem, and sends the touch signal to the input subsystem. Transmitting; the input subsystem is configured to generate a corresponding touch event in response to the touch signal encoded by the virtual touch device;
  • the touch signal is transmitted to the touch device.
  • the electronic device includes a smart tablet.
  • the smart tablet includes an electronic whiteboard.
  • the signal receiving module 310 is configured to receive a tactile signal generated by a touch sensor of the touch device.
  • the operations performed by the processor may be referred to the related description in the foregoing method embodiments, and details are not described herein.
  • an embodiment of the present invention further provides a machine readable storage medium (memory of an electronic device), wherein the readable storage medium stores program instructions, where the program instructions include steps of a processing method of the touch signal described above. Corresponding instructions. When executed by one or more processors, the terminal device is caused to perform the processing method of the above-described tactile signals.
  • Embodiments of the invention may take the form of a computer program product embodied on one or more readable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) in which program code is embodied.
  • Computer-readable readable storage media include both permanent and non-persistent, removable and non-removable media, and information storage can be implemented by any method or technology.
  • the information can be computer readable instructions, data structures, modules of programs, or other data.
  • machine readable storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only Memory (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage
  • PRAM phase change memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • RAM random access memory
  • ROM read only Memory
  • EEPROM electrically erasable programmable read only memory
  • flash memory or other memory technology
  • CD-ROM compact disc
  • DVD digital versatile disc

Abstract

一种触感信号的处理方法、系统、装置及电子设备，所述方法应用于操作系统，包括：接收触摸设备的触摸传感器生成的触感信号（S301）；将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号（S302）；向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号（S303）；接收所述触摸设备编码后的所述触摸信号（S304），向触摸驱动传输编码后的所述触摸信号，以便所述触摸驱动对编码后的所述触摸信号进行解析（S305）。本方法由操作系统将触摸传感器生成的触感信号转换为触摸信号，并回传至触摸设备，无需触摸设备进行转换处理，可以降低对其控制芯片的性能要求，进而降低触摸设备的成本和体积。

Description

触感信号的处理方法、系统、装置及电子设备 技术领域
本发明涉及触控技术领域，尤其涉及触感信号的处理方法、系统、装置及电子设备。
背景技术
很多电子设备搭载有各种触摸设备，如电容式、电阻式、电磁式或红外式的触摸设备，当用户对触摸设备对应的触摸屏进行触摸操作时，触摸设备的触摸传感器可以采集触感信号，其中，触摸设备的类型不同时，触感信号会有所不同，如：触摸设备为电磁式时，采集的触感信号包括磁通量的变化量和接收的电磁信号的频率，触摸设备为电容式时，采集的触感信号包括电容变化量。
对于触摸传感器获得的触感信号，触摸设备的控制芯片可以将触感信号转换为触摸信号，并按照操作系统支持的数据编码规范编码触摸信号后，传送至电子设备的操作系统，由操作系统进行触摸响应。
而随着触控精度的提高，控制芯片需要处理的信号量越来越大，对其信号处理能力要求也越来越高，为了提高控制芯片的信号处理能力，触摸设备需要采用高性能的芯片，而高性能的芯片的成本高、体积大，会造成触摸设备的成本提高和体积增大。
发明内容
有鉴于此，本发明实施例提供一种触感信号的处理方法、系统、装置及电子设备，以解决高性能的芯片会造成触摸设备的成本提高和体积增大的问题。
根据本发明实施例的第一方面，提供一种触感信号的处理系统，包括 触摸设备以及主机设备，所述触摸设备包括触摸传感器，所述主机设备搭载有操作系统，所述操作系统包括信号处理代码和触摸驱动；
所述触摸传感器生成触感信号，所述触摸设备向所述操作系统发送所述触感信号；
所述信号处理代码将所述操作系统接收的触感信号转换为触摸信号，并向所述触摸设备发送所述触摸信号，其中，所述触摸信号至少包括触摸位置信号；
所述触摸设备按照标准的数据编码规范，对所述触摸信号编码，并向所述操作系统发送编码后的所述触摸信号；
所述触摸驱动对编码后的所述触摸信号进行解析。
在一个实施例中，所述触摸传感器包括以下一种或多种：
红外触摸框，电磁板，电容式触摸板，电阻式触摸板，压力传感器。
在一个实施例中，所述触摸传感器为电磁板时，所述触感信号包括磁通变化量和接收到的电磁信号的频率，所述触摸信号包括与所述磁通变化量对应的触摸位置信号以及与所述频率对应的压感信号。
在一个实施例中，所述触摸设备通过以下任一接口向所述操作系统发送所述触感信号：
USB-bulk接口，USB-hid接口，RS232接口。
在一个实施例中，所述触摸设备通过USB-hid接口向所述操作系统发送编码后的所述触摸信号。
在一个实施例中，所述操作系统还包括虚拟触摸设备和输入子系统，所述虚拟触摸设备分别与所述信号处理代码和所述输入子系统连接；
所述信号处理代码将所述操作系统接收的触感信号转换为触摸信号后，向所述虚拟触摸设备发送所述触摸信号，或者向所述触摸设备发送所述触摸信号；
所述虚拟触摸设备按照所述输入子系统支持的数据编码规范，对接收的触摸信号编码，并向所述输入子系统发送；
所述输入子系统响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件。
根据本发明实施例的第二方面，提供一种触感信号的处理方法，应用于操作系统，包括步骤：
接收触摸设备的触摸传感器生成的触感信号；
将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号；
向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号；
接收所述触摸设备编码后的所述触摸信号，并向触摸驱动传输，以便所述触摸驱动对编码后的所述触摸信号进行解析。
在一个实施例中，在向所述触摸设备发送所述触摸信号前，所述方法还包括以下步骤：
检测到虚拟触摸设备时，向虚拟触摸设备发送所述触摸信号，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件；
向所述触摸设备发送所述触摸信号的步骤，在未检测到所述虚拟触摸设备时执行。
根据本发明实施例的第三方面，提供一种触感信号的处理装置，应用于操作系统，包括：
触感信号接收模块，用于接收触摸设备的触摸传感器生成的触感信号；
触感信号转换模块，用于将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号；
触摸信号回传模块，用于向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号；
触摸信号传输模块，用于接收所述触摸设备编码后的所述触摸信号， 并向触摸驱动发送，以便所述触摸驱动对其接收的触摸信号进行解析。
根据本发明实施例的第四方面，提供一种电子设备，所述电子设备搭载了触摸设备、处理器以及用于存储所述处理器可执行指令的存储器；所述触摸设备包括触摸传感器；其中，所述处理器耦合于所述存储器，用于读取所述存储器存储的程序指令，并作为响应，执行如上所述方法中的操作。
在一个实施例中，所述电子设备包括智能手写板。
在一个实施例中，所述智能手写板包括电子白板。
根据本发明实施例的第五方面，提供一个或多个机器可读存储介质，其上存储有指令，当由一个或多个处理器执行时，使得终端设备执行如上所述方法中的操作。
在一个实施例中，所述处理器还被配置为执行以下操作：
检测到所述虚拟触摸设备时，将所述触摸信号发送至虚拟触摸设备，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件；
未检测到所述虚拟触摸设备时，向所述触摸设备发送所述触摸信号。
在一个实施例中，所述电子设备包括智能手写板。
在一个实施例中，所述智能手写板包括电子白板。
实施本发明提供的实施例，在触摸设备的触摸传感器生成触感信号后，将触感信号传输至操作系统，由操作系统将触感信号转换为触摸信号，并回传输至所述触摸设备，触摸设备再按照标准的数据编码规范将触摸信号编码后返回至操作系统。因此，无需触摸设备进行触感信号到触摸信号的转换处理，可以降低对其控制芯片的性能要求，进而可以在触摸设备内采用低性能的芯片作为控制芯片，因此，可以降低触摸设备的成本和体积。
附图说明
图1是本发明一示例性实施例示出的触感信号的处理系统的架构图；
图2是本发明另一示例性实施例示出的触感信号的处理系统的架构图；
图3是本发明一示例性实施例示出的触感信号的处理方法的流程图；
图4是本发明一示例性实施例示出的触感信号的处理装置的框图；
图5是本发明一示例性实施例示出的电子设备的硬件结构图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本发明使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本发明。在本发明和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本发明可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本发明范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
请参阅图1，图1是本发明一示例性实施例示出的触感信号的处理系统100的架构图，该处理系统100可以包括触摸设备120以及主机设备140， 触摸设备120可以包括触摸传感器121，主机设备140搭载有操作系统(图1中未示出)，操作系统可以包括信号处理代码141和触摸驱动145。
其中，主机设备140可以指电子设备的主机或主机中用于实现触摸响应的部分设备，触摸设备120可以指独立于电子设备之外的触摸输入设备，也可以指装设在电子设备上的触摸输入设备，这里的电子设备可以是膝上型计算机、蜂窝电话、相机电话、智能电话、个人数字助理、媒体播放器、导航设备、智能书写设备、电子邮件收发设备、游戏控制台、平板计算机、可穿戴设备、智能机车、无人驾驶汽车、智能冰箱、其他智能家居设备或者这些设备中的任意几种设备的组合。智能书写设备可以是电子白板、电子黑板等等。
触摸设备120对应的触摸屏类型可以是电磁式、红外式、电容式、电阻式、压感式等各种类型，如：智能手机的触摸屏类型为电容式或电阻式，智能书写板的触摸屏类型为电磁式，红外线显示器的触摸屏类型为红外式。
触摸设备120对应的触摸屏类型不同时，触摸传感器121的类型不同，其采集的触感信号不同，转换所得的触摸信号也不完全相同，以下针对不同类型的触摸屏列举几种触摸传感器121：
类型一：触摸屏为红外式触摸屏，触摸传感器121为红外触摸框，其采集的触感信号可以包括表示红外线受阻的信号，转换所得的触摸信号可以包括位置触摸信号，该位置触摸信号可以包括触摸位置的X坐标和Y坐标。
类型二：触摸屏为电磁式触摸屏，触摸传感器121为电磁板，其采集的触感信号可以包括磁通量的变化量和接收的电磁信号的频率，转换所得的触摸信号可以包括与所述磁通变化量对应的触摸位置信号、与所述频率对应的压感信号，触摸位置信号可以包括触摸位置的X坐标和Y坐标。压感信号可以包括压力值。
类型三：触摸屏为电容式触摸屏，触摸传感器121为电容式触摸板，其采集的触感信号可以包括流经触摸屏的各电极的电流，转换所得的触摸 信号可以包括位置触摸信号，该位置触摸信号可以包括触摸位置的X坐标和Y坐标。
类型四：触摸屏为电阻式触摸屏，触摸传感器121为电阻式触摸板，其采集的触感信号可以包括触摸位置的电压，转换所得的触摸信号可以包括位置触摸信号，该位置触摸信号可以包括触摸位置的X坐标和Y坐标。
类型五：触摸屏为压感式触摸屏，触摸传感器121为压力传感器，其采集的触感信号可以包括压力信号，转换所得的触摸信号可以包括位置触摸信号，该触摸位置信号可以包括触摸位置的X坐标和Y坐标。
在其他例子中，触摸设备120的触摸屏可以包括电磁式触摸屏、红外式触摸屏、电容式触摸屏、电阻式触摸屏、压感式触摸屏中的至少两种触摸屏，相应的，触摸传感器121可以包括红外触摸框、电磁板、电容式触摸板、电阻式触摸板和压力传感器中的至少两种。或者，触摸设备120还可以是其他类型的触摸屏，本说明书实施例对此不做限制。
触摸传感器121采集到触感信号后，触摸设备120向操作系统传输触感信号时，如果触摸传感器是121兼具控制功能和采集功能的设备，如触摸传感芯片，可以由触摸传感器121直接通过预定接口向操作系统传输所述触感信号。这里提到的预定接口可以是USB-bulk接口、RS232接口或USB-hid接口(hid是Human Interface Devices的缩写,即人机接口设备)等，该USB-hid接口可以是通用的USB-hid接口，此外，预定接口也可以是本发明方案的设计人员或其他设备生产商自定义的信号传输接口。
其他例子中，触摸设备120还可以包括触控处理芯片123，触摸设备120向操作系统传输触感信号时，如果触摸传感器121不具备控制功能，可以由触控处理芯片123从触摸传感器121读取所述触感信号，再由触控处理芯片123通过上述预定接口向传输操作系统传输所述触感信号。这里提到的触控处理芯片123可以是触摸设备的主控制芯片(也可以称为主处理芯片或中央处理器)，也可以是触摸设备120另外增设的处理芯片，该处理芯片可以装设于触摸设备120内，也可以设置于触摸设备120外。
操作系统中接收触感信号的是信号处理代码141，信号处理代码141是一个逻辑意义上的模块，用于将接收的触感信号转换为触摸信号并传输回触摸设备120。
转换触感信号时，该信号处理代码141作为一个逻辑意义上的模块，可以由通过其所在主机设备140的中央处理器(也可以称为主控制芯片或主处理芯片)或中央处理器之外的其他处理芯片，将非易失性存储器等可读介质中对应的计算机程序指令读取到内存中运行形成的。主机设备140的处理器或处理器之外的其他处理芯片可以读取其存储器存储的程序指令，并作为响应，将触感信号转换为触摸信号。
实际将触感信号转换为触摸信号时，对应不同类型的触摸屏，可以基于各类型的触摸屏的工作原理，采取相应的转换方式进行转换。例如：触感信号为电容式触摸屏生成的流经触摸屏的各电极的电流，可以根据各级电流的比例，确定出触摸点位置的X坐标和Y坐标。
而将触感信号转换为触摸信号后，为了便于操作系统后续识别响应该触摸信号，信号处理代码141可以将所述触摸信号传输至触摸设备120。这里传输所述触摸信号时，也可以通过上述预定接口传输。
为了实现触摸响应，触摸设备120可以包括内存和非易失性存储器，存储器内可以存储有用于编码触摸信号的代码，该代码包括可执行的程序指令，在触摸设备120接收到所述触摸信号后，触摸设备120的触控处理芯片123可以从非易失性存储器内读取可执行的程序指令到内存运行，形成逻辑意义上的模块，该模块可以简称为信号编码代码，作为响应，该信号编码代码可以按照标准的数据编码规范对接收的触摸信号进行编码，然后再传输到操作系统。由操作系统的触摸驱动145对触摸设备120编码后的触摸信号进行解析。实际应用中，触摸设备120的类型不同时，标准的数据编码规范也可能不同。某些例子中，这里提到的标准的数据编码规范可以是USB-hid接口对应的标准的USB多点触摸hid协议，相应的，触摸驱动145可以是多点触摸驱动(hid-multitouch驱动)。
某些场景中，处理系统100可以应用于电子设备，触摸设备120可以包括触摸屏，触摸传感器121可以装设在触摸屏上，也可以独立于触摸屏之外。处理系统100还可以包括设置在触摸设备120与操作系统之间的接口(图1中未示出，可以是上述预定接口)，操作系统还可以包括输入子系统(input_device)143。当用户通过手指或书写笔接触触摸屏时，触摸传感器121可以生成触感信号，触摸设备120向操作系统发送所述触感信号，操作系统中的信号处理代码141可以将接收的触感信号转换为触摸信号，并回传至触摸设备120，触摸设备120的触控处理芯片123按照标准的数据编码规范对所述触摸信号编码，并将编码后的所述触摸信号传输至操作系统，由操作系统的触摸驱动145对编码后的所述触摸信号解析，解析后的触摸信号可以传输至输入子系统143，由输入子系统143直接识别，生成对应的触摸事件。
其中，输入子系统143，可以由设备驱动层、输入核心层和事件处理层构成，设备驱动层可以将底层的硬件输入转化为统一事件形式，向输入核心层汇报，输入核心层可以承上启下，为硬件驱动层输入的设备注册与操作接口，通知事件处理层对事件进行处理。
触摸设备120向操作系统发送所述触感信号时，可以根据不同的需求，通过上述预定接口传输触感信号，例如：对通信速度有较高要求时，可以通过USB-bulk接口传输触感信号；如果对通信速度有要求的同时还要求通信的稳定性高，可以通过USB-hid接口传输触感信号；如果要求精简通信过程，可以通过RS232接口传输触感信号。这里通过相应接口传输触感信号前，可以先将其转换为相应接口支持的协议，然后通过相应接口传输。而操作系统通过相应接口向触摸设备120传输触摸信号时，也可以先将其转换为相应接口支持的协议，然后通过相应接口传输。在其他例子中，有其他需求时，还可以采取其他类型的接口传输触感信号或回传触摸信号，本说明书实施例对此不做限制。
在其他场景下，在操作系统的信号处理代码将触感信号转换为触摸信 号后，本发明实施例也可以不向触摸设备回传触摸信号，而是以其他方式将触摸信号传输至输入子系统(input_device)进行响应，具体实现可以参照图2所示的触感信号的处理系统200的架构图，该处理系统200可以包括触摸设备220以及主机设备240，触摸设备220可以包括触摸传感器221，主机设备240搭载有操作系统，操作系统可以包括信号处理代码241、虚拟触摸设备242、输入子系统243和触摸驱动245。
其中，本实施例中的触摸设备220、触摸传感器221、信号处理代码241、触摸驱动245和输入子系统243与图1所涉及的实施例中的技术内容相应，在执行以下全部或部分操作时也与图1所涉及的实施例中的技术内容相应，在此不再赘述：
触摸传感器221生成触感信号，触摸设备220向操作系统发送所述触感信号；
信号处理代码241将操作系统接收的触感信号转换为触摸信号，并向触摸设备220发送所述触摸信号；
触摸设备220按照标准的数据编码规范，对所述触摸信号编码，并向操作系统发送编码后的所述触摸信号；
触摸驱动245对编码后的所述触摸信号进行解析，并传输至输入子系统243；
输入子系统243直接识别所述解析后的触摸信号，并生成对应的触摸事件。
不同之处在于：在信号处理代码241将操作系统接收的触感信号转换为触摸信号后，也可以不向触摸设备220发送所述触摸信号，而是向虚拟触摸设备242发送所述触摸信号，虚拟触摸设备242按照输入子系统243支持的数据编码规范，对接收的触摸信号编码，并向输入子系统243发送，而输入子系统243响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件。
其中，对于虚拟触摸设备242，是通过软件模拟的具有触摸设备220 功能、运行在操作系统中的虚拟设备，开始运行后，可以向输入子系统243预定其之后向输入子系统243传输的信号的数据编码规范，即输入子系统243支持的数据编码规范，所述数据编码规范可以是从标准的数据编码规范提取的有效数据编码规范，也可以是预定的数据编码规范。实际应用中，触摸设备220的类型不同时，虚拟触摸设备240可能也不同，输入子系统243支持的数据编码规范也可能不同。例如：触摸设备220为红外触摸框设备，虚拟触摸设备240为虚拟触摸框设备。
某些例子中，输入子系统243支持的数据编码规范可以是从USB-hid接口对应的USB多点触摸hid协议中提取的有效触摸数据协议。这里强调“提取”的意思是，标准的USB多点触摸hid协议会在有效触摸数据协议上外加一些USB传输协议需要的包头、报文等，以供USB协议传输，而外加的这些数据输入子系统中是不需要的。此外，输入子系统243支持的数据编码规范也可以是本方案的设计人员根据触摸设备220的应用需求，预定的数据编码规范，本说明书实施例在此不做限制。
某些场景中，处理系统200可以应用于电子设备，触摸设备220可以包括触摸屏，触摸传感器221可以装设在触摸屏上，也可以独立于触摸屏之外。处理系统200还可以包括设置在触摸设备220与操作系统之间的接口(上述预定接口)。当用户通过手指或书写笔接触触摸屏时，触摸传感器221可以生成触感信号，触摸设备220向操作系统发送所述触感信号，操作系统中的信号处理代码241可以将接收的触感信号转换为触摸信号，并向虚拟触摸设备242发送所述触摸信号，然后由虚拟触摸设备242按照输入子系统243支持的数据编码规范，对所述触摸信号编码，并向输入子系统243,发送编码后的触摸信号，由输入子系统243响应编码后的触摸信号生成对应的触摸事件。
其中，在信号处理代码241将触感信号转换为触摸信号，并传输到虚拟触摸设备242后，虚拟触摸设备242编码触摸信号时所采用的数据编码规范，可以与触摸设备220对应的触摸屏的类型相关。
比如，触摸屏为电磁式触摸屏时，采用的数据编码规范可以是支持单电磁笔输入的USB协议，将触摸信号作为单支电磁笔触发的触摸信号进行编码，然后将编码的触摸信号映射到所述USB协议的包体中。
实际应用中，可以按以下表1中的格式(对应于hid笔的描述符)将触摸信号映射到所述USB协议的包体中：
表1:
Figure PCTCN2018114062-appb-000001
再比如，触摸屏为电容式触摸屏时，采用的数据编码规范可以是多点触摸协议，编码时，将触摸信号编码为满足所述多点触摸协议规定的格式的数据，然后将编码后的触摸信号打包到同一个数据包的包体内。
实际应用中，可以按以下表2中的格式(对应于hid多点触摸的描述符)将触摸信号映射到多点触摸协议的包体中：
表2:
Figure PCTCN2018114062-appb-000002
如表2所示，第1个触摸点的数据，包括状态、ID、X、Y、Pressure信息，对应字节号1至8；第2个点触摸点的数据，包括状态、ID、X、Y、Pressure信息，对应字节号9至16；字节号17表明当前数据包里面有几个触摸点(几支笔)。
某些例子中，触摸屏的分辨率为32767*32767，坐标原点为触摸屏的左上角，触摸信号可能包括比较多的触摸点的数据，如包括六个以上像素点的位置坐标，该状况下，虚拟触摸设备242可以按照数据编码规范对触摸信号进行分组编码，每编码一组触摸信号生成一个数据包，一个数据包内最多包含六个像素点的位置坐标。
实际应用中，进行分组编码，每组编码时，可以按以下表3中的格式，将触摸信号映射到一个数据包的的包体中：
表3：
Figure PCTCN2018114062-appb-000003
每个数据包最多包含6个触摸点的数据，分别发送各数据包，发送的第一个数据包可以包括本次触发的有效触摸点数，其他数据包在对应位置发送0x00，输入子系统243可以通过触摸点的ID来区分不同触摸点。
输入子系统243接收的编码后的触摸信号后，可以采用对应的协议对 触摸信号进行解析，解析出触摸信号，然后转换为相应的触摸事件。
以下结合附图介绍下应用于操作系统的触感信号处理过程：
请参阅图3，图3是本发明一示例性实施例示出的触感信号的处理方法的流程图，该实施例应用于操作系统，可以包括以下步骤S301-S305：
步骤S301、接收触摸设备的触摸传感器生成的触感信号。
步骤S302、将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号。
步骤S303、向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号。
步骤S304、接收所述触摸设备编码后的所述触摸信号。
步骤S305、向触摸驱动传输编码后的所述触摸信号，以便所述触摸驱动对编码后的所述触摸信号进行解析。
本实施例涉及的技术特征与图1所对应的实施例涉及的技术特征相应，在此不再赘述。
本发明实施例可以应用于图1或图2所示的操作系统，该操作系统可以是各种具有触摸屏的电子设备的操作系统，例如显示器、学习机、智能手写板等，智能手写板如电子黑板、电子白板等。这些电子设备内安装有用户所需的各种应用程序，如文本编辑类应用程序、图像编辑类应用程序、社交类应用程序、电商类应用程序、搜索类应用程序、浏览器类应用程序等等，文本编辑类应用程序如白板应用的应用程序，操作系统的输入子系统根据接收的触摸信号生成对应的触摸事件后，可以上传到相应的应用程序，协助该应用程序进行事件响应。
例如：所述应用程序为白板应用的应用程序时，电磁笔触发的触摸信号对应的触发事件为添加书写内容的事件，所述操作系统可以协助该应用程序，控制显示电磁笔触发的书写内容。
在其他实施例中，在向所述触摸设备发送所述触摸信号前，本发明的触感信号的处理方法还可以在检测到虚拟触摸设备时，向虚拟触摸设备发 送所述触摸信号，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件。具体可以参见图2涉及的实施例中的技术内容，在此不再赘述。
在未检测到所述虚拟触摸设备时执行向所述触摸设备发送所述触摸信号的步骤，具体可以参见图1所涉及的实施例中的技术内容，在此不再赘述。
参见图4，图4是本发明一示例性实施例示出的触感信号的处理装置的框图，该装置可以应用于操作系统，包括：触感信号接收模块410、触感信号转换模块420、触摸信号回传模块430和触摸信号传输模块440。
其中，触感信号接收模块410，用于接收触摸设备的触摸传感器生成的触感信号。
触感信号转换模块420，用于将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号。
触摸信号回传模块430，用于向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号。
触摸信号传输模块440，用于接收所述触摸设备编码后的所述触摸信号，并向触摸驱动发送，以便所述触摸驱动对其接收的触摸信号进行解析。
一些例子中，所述触摸传感器包括以下一种或多种：
红外触摸框，电磁板，电容式触摸板，电阻式触摸板，压力传感器。
一些例子中，所述触摸传感器为电磁板时，所述触感信号包括磁通变化量和接收到的电磁信号的频率，所述触摸信号包括与所述磁通变化量对应的触摸位置信号以及与所述频率对应的压感信号。
一些例子中，所述触摸设备通过以下任一接口向所述操作系统发送所述触感信号：
USB-bulk接口，USB-hid接口，RS232接口。
一些例子中，所述触摸设备通过USB-hid接口向所述操作系统发送编码后的所述触摸信号。
一些例子中，本发明实施例的触感信号的处理装置包括：
第一子传输模块，用于在检测到虚拟触摸设备时，向虚拟触摸设备发送所述触摸信号，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件；
第二子传输模块，用于在未检测到所述虚拟触摸设备时向所述触摸设备发送所述触摸信号。
上述装置中各个单元(或模块)的功能和作用的实现过程具体详见上述方法中对应步骤的实现过程，在此不再赘述。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元或模块可以是或者也可以不是物理上分开的，作为单元或模块显示的部件可以是或者也可以不是物理单元或模块，即可以位于一个地方，或者也可以分布到多个网络单元或模块上。可以根据实际的需要选择其中的部分或者全部模块来实现本发明方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
本发明触感信号的处理装置的实施例可以应用在电子设备上。具体可以由计算机芯片或实体实现，或者由具有某种功能的产品来实现。一种典型的实现中，电子设备的具体形式可以是具有电磁屏的个人计算机、膝上型计算机、蜂窝电话、相机电话、智能电话、个人数字助理、媒体播放器、导航设备、智能书写设备、电子邮件收发设备、游戏控制台、平板计算机、可穿戴设备、互联网电视、智能机车、无人驾驶汽车、智能冰箱、其他智能家居设备或者这些设备中的任意几种设备的组合。智能书写设备可以是 电子白板、电子黑板等等。
装置实施例可以通过软件实现，也可以通过硬件或者软硬件结合的方式实现。以软件实现为例，作为一个逻辑意义上的装置，是通过其所在电子设备的处理器将非易失性存储器等可读介质中对应的计算机程序指令读取到内存中运行形成的。从硬件层面而言，如图5所示，为本发明触感信号的处理装置所在电子设备的一种硬件结构图，除了图5所示的处理器、内存、网络接口、以及非易失性存储器之外，实施例中装置所在的电子设备通常根据该电子设备的实际功能，可以搭载有触摸设备，搭载的触摸设备可以装设于电子设备上，也可以独立于电子设备存在，触摸设备可以包括触摸传感器，如搭载有电磁式触摸屏，电磁式触摸屏包括电磁感应器，还可以包括其他硬件，对此不再赘述。电子设备的存储器可以存储处理器可执行的程序指令；处理器可以耦合存储器，用于读取所述存储器存储的程序指令，并作为响应，执行如下操作：接收所述触摸传感器生成的触感信号；将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号；向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号；接收所述触摸设备编码后的所述触摸信号，并向触摸驱动传输，以便所述触摸驱动对编码后的所述触摸信号进行解析。
在一些例子中，所述处理器还被配置为执行以下操作：
检测到所述虚拟触摸设备时，将所述触摸信号发送至虚拟触摸设备，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件；
未检测到所述虚拟触摸设备时，向所述触摸设备发送所述触摸信号。
在另一些例子中，所述电子设备包括智能手写板。
作为例子，所述智能手写板包括电子白板。其中，信号接收模块310，用于接收触摸设备的触摸传感器生成的触感信号。
在其他实施例中，处理器所执行的操作可以参考上文方法实施例中相关的描述，在此不予赘述。
此外，本发明实施例还提供一种机器可读存储介质(电子设备的存储器)，所述可读存储介质中存储有程序指令，所述程序指令包括以上所述触感信号的处理方法的各步骤对应的指令。当由一个或多个处理器执行时，使得终端设备执行以上所述触感信号的处理方法。
本发明实施例可采用在一个或多个其中包含有程序代码的可读存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。计算机可用可读存储介质包括永久性和非永久性、可移动和非可移动媒体，可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。机器可读存储介质的例子包括但不限于：相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带，磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明保护的范围之内。

Claims (13)

  1. 一种触感信号的处理系统，其特征在于，包括触摸设备以及主机设备，所述触摸设备包括触摸传感器，所述主机设备搭载有操作系统，所述操作系统包括信号处理代码和触摸驱动；
    所述触摸传感器生成触感信号，所述触摸设备向所述操作系统发送所述触感信号；
    所述信号处理代码将所述操作系统接收的触感信号转换为触摸信号，并向所述触摸设备发送所述触摸信号，其中，所述触摸信号至少包括触摸位置信号；
    所述触摸设备按照标准的数据编码规范，对所述触摸信号编码，并向所述操作系统发送编码后的所述触摸信号；
    所述触摸驱动对编码后的所述触摸信号进行解析。
  2. 根据权利要求1所述的系统，其特征在于，所述触摸传感器包括以下一种或多种：
    红外触摸框，电磁板，电容式触摸板，电阻式触摸板，压力传感器。
  3. 根据权利要求2所述的系统，其特征在于，所述触摸传感器为电磁板时，所述触感信号包括磁通变化量和接收到的电磁信号的频率，所述触摸信号包括与所述磁通变化量对应的触摸位置信号以及与所述频率对应的压感信号。
  4. 根据权利要求1所述的系统，其特征在于，所述触摸设备通过以下任一接口向所述操作系统发送所述触感信号：
    USB-bulk接口，USB-hid接口，RS232接口。
  5. 根据权利要求1所述的系统，其特征在于，所述触摸设备通过USB-hid接口向所述操作系统发送编码后的所述触摸信号。
  6. 根据权利要求1至5中任一项所述的系统，其特征在于，所述操作系统还包括虚拟触摸设备和输入子系统，所述虚拟触摸设备分别与所述信号处理代码和所述输入子系统连接；
    所述信号处理代码将所述操作系统接收的触感信号转换为触摸信号后，向所述虚拟触摸设备发送所述触摸信号，或者向所述触摸设备发送所述触摸信号；
    所述虚拟触摸设备按照所述输入子系统支持的数据编码规范，对接收的触摸信号编码，并向所述输入子系统发送；
    所述输入子系统响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件。
  7. 一种触感信号的处理方法，其特征在于，应用于操作系统，包括步骤：
    接收触摸设备的触摸传感器生成的触感信号；
    将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号；
    向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号；
    接收所述触摸设备编码后的所述触摸信号，并向触摸驱动传输，以便所述触摸驱动对编码后的所述触摸信号进行解析。
  8. 根据权利要求7所述的方法，其特征在于，在向所述触摸设备发送所述触摸信号前，所述方法还包括以下步骤：
    检测到虚拟触摸设备时，向虚拟触摸设备发送所述触摸信号，以便所述虚拟触摸设备按照输入子系统支持的数据编码规范，对所述触摸信号编码，并向所述输入子系统发送；所述输入子系统用于响应所述虚拟触摸设备编码后的触摸信号，生成对应的触摸事件；
    向所述触摸设备发送所述触摸信号的步骤，在未检测到所述虚拟触摸设备时执行。
  9. 一种触感信号的处理装置，其特征在于，应用于操作系统，包括：
    触感信号接收模块，用于接收触摸设备的触摸传感器生成的触感信号；
    触感信号转换模块，用于将所述触感信号转换为触摸信号，其中，所述触摸信号至少包括触摸位置信号；
    触摸信号回传模块，用于向所述触摸设备发送所述触摸信号，以便所述触摸设备按照标准的数据编码规范编码所述触摸信号；
    触摸信号传输模块，用于接收所述触摸设备编码后的所述触摸信号，并向触摸驱动发送，以便所述触摸驱动对其接收的触摸信号进行解析。
  10. 一种电子设备，其特征在于，所述电子设备搭载了触摸设备、处理器以及用于存储所述处理器可执行指令的存储器；所述触摸设备包括触摸传感器；其中，所述处理器耦合于所述存储器，用于读取所述存储器存储的程序指令，并作为响应，执行如权利要求7或8所述方法中的操作。
  11. 根据权利要求10所述的电子设备，其特征在于，所述电子设备包括智能手写板。
  12. 根据权利要求11所述的电子设备，其特征在于，所述智能手写板包括电子白板。
  13. 一个或多个机器可读存储介质，其特征在于，其上存储有指令，当由一个或多个处理器执行时，使得终端设备执行如权利要求7或8所述方法中的操作。
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