WO2022237371A1 - Procédé et appareil d'acquisition de données de positionnement, terminal et support de stockage - Google Patents

Procédé et appareil d'acquisition de données de positionnement, terminal et support de stockage Download PDF

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Publication number
WO2022237371A1
WO2022237371A1 PCT/CN2022/084295 CN2022084295W WO2022237371A1 WO 2022237371 A1 WO2022237371 A1 WO 2022237371A1 CN 2022084295 W CN2022084295 W CN 2022084295W WO 2022237371 A1 WO2022237371 A1 WO 2022237371A1
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WIPO (PCT)
Prior art keywords
operating system
positioning
data
processor
instruction
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PCT/CN2022/084295
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English (en)
Chinese (zh)
Inventor
胡帅
薛成飞
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Oppo广东移动通信有限公司
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Publication of WO2022237371A1 publication Critical patent/WO2022237371A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3293—Power saving characterised by the action undertaken by switching to a less power-consuming processor, e.g. sub-CPU

Definitions

  • the embodiments of the present application relate to the field of computer technologies, and in particular to a method, device, terminal and storage medium for acquiring positioning data.
  • the wearable device obtains the positioning data from the positioning chip through the processor.
  • the operating system when the wearable device acquires positioning data in real time, the operating system needs to run continuously. That is to say, the processor running the operating system needs to be continuously awake to obtain positioning data in real time, resulting in a large power consumption of the wearable device when obtaining positioning data.
  • Embodiments of the present application provide a method, device, terminal, and storage medium for acquiring positioning data. Described technical scheme is as follows:
  • a method for acquiring positioning data is provided, the method is applied in a terminal, the terminal includes a first processor and a second processor, and the first processor runs a first processor.
  • the positioning data is fed back from the second operating system to the first operating system.
  • a device for acquiring positioning data is provided, the device is applied in a terminal, the terminal includes a first processor and a second processor, and the first processor runs a The first operating system, the second operating system runs in the second processor and the positioning chip is mounted in the second processor, and the power consumption of the second processor is lower than that of the first processor power consumption, the device consists of:
  • a first generating module configured to send the first obtaining request to the second operating system through the first operating system in response to the first obtaining request generated in the first operating system, the first obtaining Request is used to request to obtain positioning data;
  • An obtaining module configured to obtain the positioning data from the positioning chip according to the first obtaining request in the second operating system
  • a feedback module configured to feed back the positioning data from the second operating system to the first operating system.
  • a terminal includes a processor and a memory, at least one instruction is stored in the memory, and the instruction is loaded and executed by the processor to implement the Implement the provided methods for obtaining location data.
  • a computer-readable storage medium wherein at least one instruction is stored in the storage medium, and the instruction is loaded and executed by a processor to realize the acquisition of positioning data as provided by the implementation of the present application.
  • a computer program product comprising computer instructions stored in a computer readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the method for acquiring positioning data provided in various optional implementation manners of the computer device.
  • FIG. 1 is a structural block diagram of a terminal provided in an exemplary embodiment of the present application
  • Fig. 2 is a flow chart of a method for acquiring positioning data provided by an exemplary embodiment of the present application
  • Fig. 3 is a flow chart of a method for acquiring positioning data provided by another exemplary embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a first operating system involved in the present application.
  • FIG. 5 is a schematic structural diagram of a second operating system provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a system framework for acquiring positioning data provided by an embodiment of the present application.
  • Fig. 7 is a flow chart of a method for acquiring positioning data provided by an exemplary embodiment of the present application.
  • Fig. 8 is a flow chart of stopping acquiring positioning data provided based on the embodiment shown in Fig. 7;
  • FIG. 9 is a structural block diagram of an apparatus for acquiring positioning data provided by an exemplary embodiment of the present application.
  • the term “if” is optionally interpreted as “when,” “at,” “in response to determining,” or “in response to detecting,” depending on the context. Similarly, the phrase “if determined" or “if (the stated condition or event) is detected” or “in response to detecting (the stated condition or event)” depends on the context.
  • personally identifiable information is subject to privacy policies and practices that are recognized as meeting or exceeding industry or government requirements for maintaining user privacy.
  • personally identifiable information should be managed and processed to clearly explain the nature of authorized use to users, so as to minimize the risk of inadvertent or unauthorized access or use.
  • Sleep state It is used to indicate that the operating system is in a low-power online working state.
  • the state of the operating system includes a running state of power-on operation and an offline state of power-off.
  • the running state of the operating system includes a wake-up state and a sleep state.
  • the processor running the operating system may also be in the dormant state.
  • Wakeup state It is used to indicate that the operating system is in a normal working state with high power consumption. In the wake-up state, the operating system can respond to various application requests, and control various hardware according to the application requests, so as to realize corresponding application functions. While the operating system is awake, processes running the operating system may also be awake.
  • the operating system can switch from the sleep state to the wake-up state. Similarly, the operating system can also switch from the awake state to the hibernate state.
  • the first operating system runs on the first processor, and the second operating system runs on the second processor. Therefore, for the first operating system.
  • the first processor When the first operating system switches from the sleep state to the wake-up state, the first processor also switches from the sleep state to the wake-up state along with the state switching of the first operating system.
  • the first processor When the first operating system switches from the wake-up state to the sleep state, the first processor also switches from the wake-up state to the sleep state following the state switch of the first operating system.
  • this application mounts the positioning chip in the second processor, and enables the second processor to interact with the positioning chip to enable the terminal to obtain positioning data with less energy consumption.
  • the method for acquiring positioning data shown in the embodiment of the present application can be applied in a terminal, and the terminal includes at least two processors, a first processor and a second processor, and the first processor runs a second processor.
  • An operating system, the second operating system runs in the second processor.
  • Terminals can include mobile phones, smart bracelets, smart glasses, smart watches, digital cameras, MP4 playback terminals, MP5 playback terminals, learning machines, point readers, electronic paper books, electronic dictionaries, or vehicle-mounted terminals.
  • Fig. 1 is a structural block diagram of a terminal provided by an exemplary embodiment of the present application.
  • the terminal includes a first processor 121, a second processor 122, a memory 140 and a positioning chip 160, the memory At least one instruction is stored in 140, and the instruction is loaded and executed by the first processor 121, or loaded and executed by the second processor 122 to realize the acquisition of positioning data as described in various method embodiments of the present application. method.
  • the above-mentioned components may be connected through the bus 150, so that signals between the components can communicate with each other.
  • the terminal 100 is an electronic device capable of acquiring positioning data.
  • the terminal 100 can generate a first obtaining request through the first operating system, where the first obtaining request is used to request obtaining positioning data.
  • the terminal can send the first obtaining request to the second operating system through the first operating system.
  • the terminal obtains the positioning data from the positioning chip according to the first obtaining request. Subsequently, the terminal feeds back the positioning data from the second operating system to the first operating system.
  • the power consumption of the first processor 121 per unit time is lower than the power consumption of the second processor 122 per unit time.
  • the first processor 121 can carry a first operating system with relatively complex functions.
  • the first operating system carried by the first processor 121 may be an Android (English: Android) operating system with rich functions, a mobile operating system developed based on linux, or an operating system developed based on Android in depth.
  • the second processor 122 can carry a second operating system with relatively simple functions.
  • the second operating system carried by the second processor 122 may be an MCU (MicroController Unit, microcontroller) operating system.
  • the second operating system may also be other embedded operating systems.
  • first processor 121 and the second processor 122 have similar parts in hardware structure and operation logic.
  • first processor 121 and the second processor 122 are unified as processors for introduction.
  • a processor may include one or more processing cores. When the processor includes multiple processor cores, the number of processor cores may be 2, 3, 4, 6 or 8, etc.
  • the processor uses various interfaces and lines to connect various parts of the entire terminal 100, and executes the terminal 100 by running or executing instructions, programs, code sets or instruction sets stored in the memory 140, and calling data stored in the memory 140. various functions and process data.
  • the processor can use at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable Logic Array, PLA). implemented in the form of hardware.
  • the processor can integrate one or a combination of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU) and a modem.
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • the CPU mainly handles the operating system, user interface and application programs, etc.
  • the GPU is used to render and draw the content that needs to be displayed on the display screen
  • the modem is used to handle wireless communication. It can be understood that the above-mentioned modem may not be integrated into the processor, but may be realized by a single chip.
  • the modem is connected to the processor through a bus or other cables.
  • the memory 140 may include random access memory (Random Access Memory, RAM), and may also include read-only memory (Read-Only Memory, ROM).
  • the memory 140 includes a non-transitory computer-readable storage medium (non-transitory computer-readable storage medium).
  • the memory 140 may be used to store instructions, programs, codes, sets of codes or sets of instructions.
  • the memory 140 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, or an image playback function, etc.), Instructions, etc. used to implement the various method embodiments for obtaining positioning data shown in this application; the storage data area can store data and the like involved in the following various method embodiments for obtaining positioning data.
  • the positioning chip 160 can be used to obtain positioning data from navigation satellites.
  • Fig. 2 is a flowchart of a method for acquiring positioning data provided by an exemplary embodiment of the present application.
  • the method for obtaining positioning data can be applied to the terminal shown in FIG. 1 above, the terminal includes a first processor and a second processor, the first processor runs a first operating system, and the second processor runs a The second operating system is loaded with a positioning chip in the second processor.
  • the methods for obtaining positioning data include:
  • Step 210 in response to the first acquisition request generated in the first operating system, send the first acquisition request to the second operating system through the first operating system, where the first acquisition request is used to request acquisition of positioning data.
  • each processor in the terminal can run an operating system.
  • the terminal shown in this application includes at least a first processor and a second processor. Wherein, the first processor runs a first operating system supporting relatively complex functions, and the second processor runs a second operating system supporting relatively simple functions.
  • the first operating system may be an operating system based on the Linux kernel, such as an Android system or an operating system developed based on deep customization of Android. It should be noted that the first operating system may vary with different terminal manufacturers.
  • the first operating system of the terminal is an operating system installed in the terminal during subsequent maintenance and update. For example, after flashing or ROM operation is performed on the terminal, an operating system different from that installed at the factory can be installed in the terminal.
  • the first acquisition request is used to request acquisition of positioning data.
  • the generator of the first acquisition request is an application program in the first operating system.
  • the application program may be any one of a map application, a health application, a sports application, a social networking application, a group-buying application, a takeaway application, a taxi application or a video application. It should be noted that the above applications are only examples, and any application capable of obtaining positioning data may be used as the application shown in this application.
  • the application program will call the interface provided by the first operating system, so that the first operating system obtains the first obtaining request.
  • the first operating system sends the first obtaining request from the first operating system to the second operating system.
  • the first processor and the second processor communicate through a SPI (Serial Peripheral Interface, serial peripheral interface).
  • SPI Serial Peripheral Interface, serial peripheral interface
  • the terminal may instruct the first operating system to switch to the sleep state.
  • the running state of the first operating system when it is powered on may include a sleep state and a wake-up state, and when the first operating system obtains a first acquisition request from an application program, the first operating system is in the wake-up state.
  • the terminal After the terminal sends the first acquisition request from the first operating system to the second operating system, the terminal will be able to switch the first operating system from the wake-up state to the sleep state.
  • the first processor supporting the first operating system when the first operating system enters the sleep state, the first processor supporting the first operating system will also enter the sleep state.
  • the energy consumption of the first processor in the sleep state will be less than the energy consumption of the first processor in the wake-up state.
  • the power consumption parameters of the first processor and the second processor in different states may refer to the content shown in Table 1.
  • the power consumption of the first processor in the sleep state is P11
  • the power consumption of the first processor in the wake-up state is P12
  • the power consumption of the second processor in the sleep state is P21
  • the power consumption of the second processor in the wake-up state is P12.
  • the power consumption in the state is P22.
  • the power consumption when obtaining the positioning data is P12+ P21.
  • the power consumption in the embodiment of the present application when acquiring positioning data is P11+P22. Because the solution provided by the present application can satisfy the inequality P11+P22 ⁇ P12+P21. Therefore, when the terminal adopts the solution that the positioning chip is mounted in the second processor as provided in the present application, the terminal can reduce its own power consumption when acquiring positioning data.
  • Step 220 in the second operating system, acquire positioning data from the positioning chip according to the first acquisition request.
  • the terminal can obtain the positioning data from the positioning chip according to the first obtaining request in the second operating system.
  • the second operating system is a system running on the second processor. Because the second processor is directly connected to the positioning chip through pins. Therefore, there is a hardware basis for exchanging information between the first processor and the positioning chip. On this basis, the second processor can obtain corresponding positioning data through signal interaction with the positioning chip.
  • the positioning data may be provided by a navigation satellite system.
  • the navigation satellite system includes BDS (BeiDou Navigation Satellite System, Beidou System), GPS (Global Positioning System, Global Positioning System), GLONASS (GLOBAL NAVIGATION SATELLITE SYSTEM, Global Satellite Navigation System) and Galileo Satellite Navigation System (Galileo satellite navigation system) ) and other positioning systems.
  • BDS BeiDou Navigation Satellite System, Beidou System
  • GPS Global Positioning System, Global Positioning System
  • GLONASS GLOBAL NAVIGATION SATELLITE SYSTEM, Global Satellite Navigation System
  • Galileo Satellite Navigation System Galileo satellite navigation system
  • the positioning data may also be provided by a network positioning device or a wifi positioning device.
  • Step 230 feeding back positioning data from the second operating system to the first operating system.
  • the terminal can feed back positioning data from the second operating system to the first operating system, so that the first operating system acquires corresponding positioning data after entering the wake-up state.
  • the terminal can also first instruct the first operating system to switch from the sleep state to the wake-up state, and then feed back the positioning data from the second operating system to the first operating system.
  • the first operating system can enter into a dormant state only after sending the first obtaining request to the second operating system. Furthermore, after the second operating system successfully obtains the positioning data, the first operating system wakes up again, so as to obtain the feedback positioning data.
  • the method for obtaining positioning data can be applied to a terminal including two processors, the first processor runs the first operating system, and the second processor runs the second operating system System and the second processor is mounted with a positioning chip, the power consumption of the second processor is lower than that of the first processor, and in response to the first acquisition request in the first operating system, the first operating system sends a request to the second The operating system sends a first acquisition request, and the first acquisition request is used to acquire positioning data.
  • the terminal acquires the positioning data from the positioning chip according to the first acquisition request, and feeds back the positioning data from the second operating system to the second operating system.
  • the terminal can obtain positioning data through a processor with low power consumption, thereby reducing the power consumption of the terminal when obtaining positioning data.
  • sending the first obtaining request to the second operating system through the first operating system includes:
  • a corresponding first intermediate instruction is generated by the first operating system, and the data format of the first intermediate instruction can be parsed in the second operating system;
  • the positioning data is acquired from the positioning chip according to the first acquisition request, including:
  • the first intermediate instruction corresponding to the acquisition request is generated through a custom executable file, and the executable file is a file written based on the hardware specification of the positioning chip.
  • sending the first intermediate instruction to the second operating system through the first operating system includes:
  • determining the positioning data acquisition instruction matching the first intermediate instruction includes:
  • the first intermediate instruction is forwarded to the positioning main task through the routing task, and the positioning main task belongs to the second operating system;
  • the positioning data acquisition instruction matching the first intermediate instruction is determined from the positioning instruction library.
  • the method further includes:
  • the first callback function is registered in the second operating system through the positioning main task, and the first callback function is used to feed back the positioning data to the data request object.
  • the positioning data is obtained from the positioning chip according to the positioning data acquisition instruction, including:
  • the first data is received through the interrupt mode provided by the target interrupt task, the first data includes a feedback signal or positioning data, and the positioning data is obtained by the positioning chip based on the positioning data.
  • the positioning standard data of the target interrupt task is used to provide interrupts for the serial communication receiving interface.
  • receiving the first data through an interrupt mode provided by the target interrupt task includes:
  • an interrupt service routine is generated through the target interrupt task
  • the positioning master task In response to receiving the feedback signal, the positioning master task instructs the positioning master task to stop resending the positioning data acquisition instruction to the positioning chip.
  • the second operating system further includes a sensor task, the sensor task is used to register a third callback function, and the third callback function is used to send positioning data to a specified object through the second data channel when called, and the specified object belongs to the first operation system; and/or, the sensor task is used for registering a fourth callback function, and the fourth callback function is used for sending positioning data to an object in the second operating system when called.
  • obtaining the positioning data from the positioning chip according to the first obtaining request includes:
  • Feedback of positioning data from the second operating system to the first operating system includes:
  • the method also includes:
  • stop obtaining positioning data based on the stop command including:
  • the positioning chip In response to the positioning chip being in an idle state, the positioning chip is turned off.
  • closing the positioning chip includes:
  • the positioning chip In response to the positioning chip being in an idle state, the positioning chip is turned off after a target time delay.
  • the method also includes:
  • the process of disabling the positioning chip is stopped, and the positioning chip enabling instruction is used to enable the positioning chip.
  • the terminal can also design information interaction logic between the first operating system and the second operating system from the operating system level, thereby reducing the power consumption of the terminal when acquiring positioning data. Please refer to the following examples.
  • Fig. 3 is a flow chart of a method for acquiring positioning data provided by another exemplary embodiment of the present application.
  • the method for acquiring positioning data can be applied to the terminals shown above.
  • the method for obtaining positioning data includes:
  • Step 301 in response to the first acquisition request generated in the first operating system, generate a corresponding first intermediate instruction through the first operating system, and the data format of the first intermediate instruction can be parsed in the second operating system.
  • FIG. 4 is a schematic structural diagram of a first operating system involved in this application.
  • the first operating system 400 may include an application (Application, APP) layer 410, a framework (Framework) layer 420, a Java local interface (Java Native Interface) layer 430, a HAL (Hardware Abstraction Layer, hardware abstraction layer) 440 and kernel layer (Kernel) 450 .
  • application Application, APP
  • framework Framework
  • Java local interface Java Native Interface
  • HAL Hardware Abstraction Layer, hardware abstraction layer
  • Kernel kernel layer
  • a location manager (location manager) is included. It should be noted that the location manager directly responds to the application program's request to acquire positioning data, and generates the first acquisition request shown in the embodiment of the present application. Schematically, the location manager is a class used to obtain and invoke location services.
  • the application layer 410 and the framework layer 420 can communicate through a binder data channel.
  • the location manager service (Location Manager Service) 421 obtains corresponding positioning data through three branches respectively.
  • the location manager service 421 is connected to the first third-party positioning (ThirdPart APK) module 423 through the location provider proxy (Location Provider Proxy) 422, and has the ability to obtain positioning data from the third-party positioning module.
  • the location manager service 421 can also obtain satellite navigation data through the global navigation satellite system location provider 424 (GnssLocationProvider.java), and then determine the satellite navigation data as positioning data.
  • GnssLocationProvider.java global navigation satellite system location provider 424
  • the location manager service 421 can also be connected to a second third-party positioning (ThirdPart APK) module 426 through a geocoder proxy (Geocoderproxy) 425 .
  • the location manager service 421 is capable of obtaining location data from third-party location modules.
  • the geocoder agent 425 is used to realize the function of electronic fence.
  • the GNSS location provider 424 in the framework layer 420 is connected to the Java native interface layer 430 .
  • a C++ file is provided in the Java native interface layer 430, and the C++ file is used to convert Java-type instructions into C++-type files, so that subsequent layers can understand the meaning of upper-layer instructions.
  • the C++ files in this application can be named or selected independently as required.
  • the C++ file may be com_android_server_location_GnssLocationProvider.cpp (JNI (lib)).
  • the Java native interface layer 430 and the hardware abstraction layer 440 communicate through a hwbinder connection.
  • a file written for the positioning chip is provided, and the information processed by the file can be parsed by the second operating system and recognized by the positioning chip.
  • the first intermediate instruction may be generated in the hardware abstraction layer 440 .
  • the hardware abstraction layer 440 and the kernel layer 450 transmit data to each other through the IO interface.
  • the kernel layer 450 may continue to process the first intermediate instruction by specifying the kernel file, and send the processed first intermediate instruction to the second operating system.
  • Step 302 sending the first intermediate instruction to the second operating system through the first operating system.
  • the communication between the first operating system and the second operating system is performed through SPI.
  • FIG. 5 is a schematic structural diagram of a second operating system provided by an embodiment of the present application.
  • the second operating system 500 includes a routing task 510 and a positioning main task 520 .
  • the routing task 510 is configured to receive the first intermediate instruction sent by the first operating system, and forward the first intermediate instruction to the positioning main task 520 .
  • the positioning main task 520 is used to obtain positioning data from the positioning chip.
  • FIG. 6 is a schematic diagram of a system framework for acquiring positioning data provided by an embodiment of the present application.
  • a first operating system runs on the first processor 610
  • a second operating system runs on the second processor 620 .
  • the first processor 610 may be an application processor (Application Processor, AP)
  • the second processor 620 may be an MCU (Microcontroller Unit, micro control unit).
  • the navigation data acquisition module 630 is mounted on the second processor 620 .
  • Step 303 instruct the first operating system to switch to a sleep state.
  • the terminal can instruct the first operating system to switch from the wake-up state to the sleep state.
  • the switching action may be an operation performed autonomously by the first operating system after sending the first intermediate instruction.
  • the switching action may also be an operation performed by the first operating system after sending the first intermediate command to the second operating system and receiving a confirmation message fed back by the second operating system.
  • Step 304 in the second operating system, determine a positioning data acquisition instruction that matches the first intermediate instruction.
  • the terminal when the first intermediate instruction is transmitted to the second operating system, the terminal can determine the positioning data acquisition instruction matching the first intermediate instruction.
  • the positioning data acquisition instruction is an instruction that can be recognized by the positioning chip and perform corresponding operations.
  • the second operating system may maintain a correspondence between the first intermediate instruction and the positioning data acquisition instruction.
  • Table 2 shows a schematic diagram of the corresponding relationship between the first intermediate instruction and the positioning data acquisition instruction.
  • the above correspondence relationship may be pre-stored in the second operating system.
  • the second operating system can determine that the corresponding positioning data acquisition instruction is the positioning data acquisition instruction d3.
  • Step 305 acquire positioning data from the positioning chip according to the positioning data acquisition instruction.
  • the second operating system will be able to send the positioning data acquisition instruction to the positioning chip.
  • the positioning chip obtains the corresponding positioning data after communicating with the navigation satellite through the antenna under the instruction of obtaining the positioning data.
  • Step 306 instruct the first operating system to switch to the wake-up state, and feed back the positioning data from the second operating system to the first operating system.
  • the terminal can instruct the first operating system to switch from the sleep state to the wake-up state. Because the first operating system can normally perform information interaction with the add-in in the wake-up state. Therefore, the first operating system has the ability to obtain positioning data from the second operating system after waking up. When the second operating system transmits the positioning data to the first operating system, the first operating system can normally obtain the positioning data.
  • the instruction for instructing the first operating system to switch from the sleep state to the wake-up state may be issued from the second operating system.
  • the first operating system in the sleep state can switch from the sleep state to the wake-up state when receiving an instruction to switch from the sleep state to the wake-up state.
  • the command used to instruct the first operating system to switch from the sleep state to the wake-up state may be a preset periodic command in the first operating system. After the first operating system completes a sleep cycle, the first operating system can automatically switch from the sleep state to the wake-up state according to the periodic instruction.
  • the location data can be obtained from the second operating system. Subsequently, the first operating system can feed back the positioning data to a specific application program requesting the positioning data, so as to ensure normal operation of the application program in the first operating system.
  • the method provided by this embodiment can transfer the first intermediate instruction layer by layer in the first operating system with multiple system layers, so that the intention of the first operating system to obtain positioning data can be correctly transferred to the second operating system , the second operating system acquires positioning data from the positioning chip mounted on the second processor according to corresponding instructions. Since the first operating system only needs to send the intention to obtain the positioning data, and wake up to receive the positioning data after the second operating system program obtains the positioning data, the first processor with higher power consumption is in the process of obtaining the positioning data. In the dormant state, the positioning data is acquired by the second processor with lower power consumption, thereby achieving the effect of acquiring positioning data with lower power consumption.
  • the embodiments of the present application further provide a method for obtaining positioning data, which can improve the efficiency of obtaining positioning data in the second operating system. Please refer to the following embodiments.
  • FIG. 7 is a flowchart of a method for acquiring positioning data provided by an exemplary embodiment of the present application.
  • the method for acquiring positioning data can be applied to the terminals shown above.
  • the method for obtaining positioning data includes:
  • Step 701 in response to the acquisition request generated by the data request object in the first operating system, generate a first intermediate instruction corresponding to the acquisition request through a custom executable file.
  • the executable file is a file written based on the hardware specification of the positioning chip.
  • the data request object may be an application program or a process at the application layer. After the acquisition request is generated from the application layer, it can pass through the framework layer, the Java native interface layer layer by layer, and then be passed to the hardware abstraction layer.
  • FIG. 7 does not show the information transfer process of the acquisition request in the application layer, framework layer and Java native interface layer in the first operating system.
  • the software designer in the terminal knows in advance the model of the positioning chip adapted in the terminal, and the designer will write the corresponding executable file according to the model of the positioning chip to be used.
  • a possible naming manner of the executable file may be android.hardware.gnss@1.0-service.cxd5603.
  • the software designer in the terminal will pre-write multiple executable files, so that the operating system can have the ability to adapt to multiple positioning chips when it is initialized. In this implementation manner, if there are multiple preset executable files in the first operating system, it is not necessary to frequently replace the preloaded first operating system due to different positioning chips used during the production of the terminal device.
  • the terminal when the terminal is turned on for the first time on the production line, the terminal will display the chip model installed in the terminal on the display. When the inspector selects the corresponding model, the terminal will restart and load the corresponding executable file.
  • the terminal may delete unselected executable files.
  • the terminal can also automatically identify executable files that need to be run during the automatic loading process, and delete other unnecessary executable files.
  • the executable file D1 corresponds to the positioning chip L1
  • the executable file D2 corresponds to the positioning chip L2
  • the executable file D3 corresponds to the positioning chip L3.
  • Step 702 sending the first intermediate instruction from the hardware abstraction layer where the executable file is located to the kernel layer.
  • the hardware abstraction layer and the kernel layer belong to the first operating system.
  • the terminal can transmit it to the next level in the first operating system. During this transfer process, the terminal can send the first intermediate instruction from the hardware abstraction layer to the kernel layer.
  • the hardware abstraction layer and the kernel layer belong to the same operating system.
  • the hardware abstraction layer and the kernel layer both belong to the first operating system.
  • Step 703 transmitting the first intermediate instruction from the kernel layer to the routing task through the first data channel.
  • the routing task belongs to the second operating system.
  • the purpose of the first intermediate instruction is to instruct the second operating system to obtain corresponding positioning data through interaction with the positioning chip. Therefore, the first intermediate instruction currently located in the kernel layer will be further transmitted to the routing task by the kernel layer through the first data channel.
  • the routing task is a task belonging to the second operating system.
  • Step 704 acquire the object identifier of the data request object in the first intermediate instruction.
  • data request object may be any one of the application program, process or service in the first operating system.
  • the terminal can obtain the object identifier of the data request object in the first intermediate instruction through the second operating system. It should be noted that, in the current step, the first intermediate instruction remains in the routing task. Therefore, the terminal may instruct the routing task to obtain the object identifier of the data request object from the first intermediate instruction.
  • Step 705 forward the first intermediate instruction to the positioning main task through the routing task according to the object identifier.
  • the positioning main task belongs to the second operating system.
  • the terminal can determine the destination to be forwarded according to the object identifier.
  • the terminal determines that the first intermediate instruction needs to be forwarded to the positioning main task, the terminal will be able to forward the first intermediate instruction to the positioning main task through the routing task.
  • Step 706 register the first callback function in the second operating system by locating the main task.
  • the first callback function is used to feed back the positioning data to the data request object.
  • the terminal can register the first callback function in the second operating system by locating the main task.
  • the main function of the first callback function is to feed back data to the data request object requesting the positioning data. Therefore, the terminal will register the first callback function in the positioning main task in advance.
  • Step 707 Determine the positioning data acquisition instruction that matches the first intermediate instruction from the positioning instruction library through the positioning main task.
  • the terminal can determine the positioning data acquisition instruction matching the first intermediate instruction from the positioning instruction library by positioning the main task.
  • the positioning instruction library may be a database maintained in the second operating system.
  • the location instruction library may not include specific files or data sets including corresponding data, and may only consist of several instructions recorded by the second operating system.
  • Step 708 instruct the positioning main task to call the serial communication interface, and send a positioning data acquisition instruction to the positioning chip.
  • the positioning main task has the ability to communicate with the positioning chip. Under the instruction of the terminal, or in other words, under the control of the second operating system, the main positioning task can call the serial communication interface and send the positioning data acquisition instruction to the positioning chip.
  • the serial communication interface is a hardware interface for connecting the positioning chip with the second processor. Therefore, the serial communication interface also includes a data line for sending data from the positioning chip to the second processor.
  • Step 709 in response to the positioning chip sending the first data to the serial communication interface, receive the positioning data through the interrupt mode provided by the target interrupt task, and generate an interrupt service.
  • the first data sent by the positioning chip to the serial communication interface includes multiple data types.
  • the data type includes feedback signal or positioning data.
  • the positioning data is the positioning standard data obtained by the positioning chip based on the positioning data to obtain instruction feedback
  • the target interrupt task is used to provide interrupts for the serial communication receiving interface.
  • a target interrupt task in the second operating system can be used to receive positioning data.
  • the target interrupt task provides an interrupt for the serial communication receiving interface to obtain positioning data.
  • the terminal in response to receiving the positioning data, the terminal can generate an interrupt service routine through the target interrupt task.
  • the second operating system can generate an interrupt service routine by instructing the target interrupt task for subsequent operations.
  • Step 710 push the second callback function to the event task based on the interrupt service routine.
  • the terminal can push the second callback function to the event task based on the interrupt service in the second operating system.
  • the second callback function has the ability to detect the integrity of the positioning data.
  • Step 711 instruct the event task to detect the integrity of the first data based on the second callback function.
  • the second operating system can instruct the event task to detect the integrity of the first data based on the second callback function.
  • the first data includes positioning data or feedback signals. It should be noted that when the first data is positioning data and the positioning data is no longer complete, the terminal may not be able to acquire data reflecting real-world positions from the positioning data. When the first data is a feedback signal and the feedback signal is incomplete, the terminal may not be able to determine from the feedback signal whether the current positioning process has been completed.
  • the positioning data can reflect the position in the real world.
  • Step 712 in response to the fact that the first data is complete data, detect the data type contained in the first data.
  • the terminal can perform corresponding processing according to the data type, so as to complete the process of obtaining the positioning data.
  • the data type is a feedback signal
  • the second processor can know whether the current process of acquiring positioning data has ended.
  • Step 721 in response to the data type being location data, instruct the event task to feed back the location data to the first operating system through the first callback function.
  • the second operating system can acquire positioning data for the system through a sensor task.
  • the sensor task is used to register a third callback function
  • the third callback function is used to send positioning data to a specified object through the second data channel when called.
  • the specified object belongs to the first operating system.
  • the sensor task is also used to register a fourth callback function, and the fourth callback function is used to send positioning data to the object in the second operating system when called.
  • the first operating system can also issue a stop command to the second operating system to instruct the second operating system to stop obtaining positioning data from the positioning chip. positioning data.
  • the present application further provides a feedback mechanism, so that the second operating system can know whether the positioning chip has successfully received the positioning data acquisition instruction.
  • the terminal may also perform step (a1) and step (a2).
  • Step (a1) in response to the data type being a feedback signal, instruct the event task to send a feedback signal to the positioning main task through the second callback function.
  • the event task included in the second operating system sends feedback information to the positioning main task through the second callback function.
  • Step (a2) in response to the positioning master task receiving the feedback signal, instruct the positioning master task to stop resending the positioning data acquisition instruction to the positioning chip.
  • the terminal in response to the positioning main task receiving the feedback signal, instructs the positioning main task to stop resending the positioning data acquisition instruction to the positioning chip.
  • the feedback signal is used to indicate that the positioning chip has successfully received the positioning data acquisition instruction.
  • the method for obtaining positioning data can acquire positioning data from the positioning chip through the interaction between the positioning main task and the positioning chip in the second operating system. After the corresponding interaction process ends, the event task in the second operating system can feed back positioning data to the first operating system through a pre-registered callback function. Since the second operating system provides a complete information control process, the second operating system can successfully obtain the positioning data in the positioning chip and feed it back to the first operating system, on the premise of reducing the power consumption of the terminal when acquiring positioning data In this case, the stability of obtaining positioning data by the second operating system is improved.
  • the second operating system can also obtain positioning data from the positioning chip through the target interrupt task, and know whether the positioning chip has received the first obtaining request through a feedback mechanism. After the positioning chip has acquired the first acquisition request, the positioning main task in the second operating system no longer resends the first acquisition request to the positioning chip, which saves the power consumption of the second operating system.
  • FIG. 8 is a flow chart of stopping obtaining positioning data based on the embodiment shown in FIG. 7 .
  • the process of stopping acquiring positioning data may be executed after the first operating system successfully acquires low-order data.
  • the terminal can execute step 801 after step 721 shown in FIG. 7.
  • the execution process of each step is as follows:
  • Step 801 Generate a corresponding second intermediate instruction in response to a stop request generated in the first operating system.
  • the stop request is used to request to stop obtaining the positioning data, and the stop request may carry the identifier of the data request object.
  • the stop request is a request generated by an application in the first operating system.
  • the application program that acquires the positioning data in the first operating system is closed or before exiting, the application program generates a stop request and informs the first operating system.
  • the first operating system can generate a corresponding second intermediate instruction according to the stop request.
  • the first operating system generates the second intermediate instruction in the hardware abstraction layer.
  • Step 802 sending the second intermediate instruction from the first operating system to the second operating system.
  • the first operating system in the terminal can transmit the second intermediate instruction to the second operating system through cross-core communication. It should be noted that the transmission mode of the second intermediate instruction is the same as that of the first intermediate instruction.
  • Step 803 in the second operating system, determine a stop instruction that matches the second intermediate instruction.
  • the second operating system can determine that the second intermediate instruction corresponds to a matching stop instruction. In a possible manner, the second intermediate instruction and the stop instruction have a matching relationship in the second operating system. In this scenario, the second operating system can determine the stop instruction that matches the second intermediate instruction according to the specified matching relationship.
  • Step 804 stop acquiring positioning data based on the stop instruction.
  • the present application can implement step (c1), step (c2) and step (c3) to stop the process of obtaining positioning data.
  • the present application can stop the process of obtaining positioning data by performing step (c1), step (c2) and step (c4).
  • Step (c1) instructing the positioning main task to receive a stop instruction.
  • the second operating system can instruct the positioning main task to receive the stop instruction.
  • Step (c2) instructing the positioning master task to log out of the first callback function corresponding to the data request object based on the stop instruction, and the first callback function is used to feed back the positioning data to the data request object.
  • the positioning main task can cancel the first callback function corresponding to the data request object based on the stop instruction.
  • the first callback function is used to feed back the positioning data to the data request object.
  • Step (c3) in response to the fact that the positioning chip is in use, the process ends.
  • the positioning chip if the positioning chip is in use, it means that the terminal has other objects using the positioning chip. In this case, the second operating system will no longer interfere with the state of the positioning chip, and end this control process.
  • Step (c4) in response to the fact that the positioning chip is in an idle state, turn off the positioning chip.
  • the terminal can turn off the positioning chip in this scenario, so that the positioning chip is turned off without continuing to acquire positioning data, thereby saving energy of the terminal.
  • the terminal can respond to the fact that the positioning chip is in an idle state, and turn off the positioning chip after a target time delay.
  • the target duration may be a fixed duration such as 30 seconds, 40 seconds, 45 seconds, or 50 seconds, which is not limited in this embodiment of the present application.
  • a target duration suitable for the delay specification can be selected. For example, if the delay specification of the positioning chip used in the terminal is 50 seconds, then the target duration in this embodiment of the application will be set to 50 seconds.
  • the positioning chip in response to the current system moment being within the target duration and receiving a positioning chip enable command, stop the process of turning off the positioning chip.
  • the positioning chip enabling instruction is used to enable the positioning chip.
  • the target duration is 50 seconds
  • the second processor receives the positioning chip enabling instruction for starting the positioning chip again, the second processor will stop counting down and cancel the positioning off. Chip flow.
  • the method for obtaining positioning data can enable a terminal with dual operating systems to obtain positioning data through an operating system that saves energy consumption, and after the first operating system successfully obtains positioning data, the terminal can obtain positioning data through Instructing related program objects in the second operating system to realize the effect of stopping the work of the positioning chip, so that the positioning chip can be turned off in time when there is no need to work, thereby further saving power and improving the battery life of the terminal.
  • Fig. 9 is a structural block diagram of an apparatus for acquiring positioning data provided by an exemplary embodiment of the present application.
  • the device for acquiring positioning data can be implemented as all or a part of the terminal through software, hardware or a combination of the two.
  • the terminal includes a first processor and a second processor, the first processor runs a first operating system, the second processor runs a second operating system and the second processor mounts a Positioning the chip, the power consumption of the second processor is lower than the power consumption of the first processor.
  • the unit includes:
  • the first generating module 910 is configured to send the first obtaining request to the second operating system through the first operating system in response to the first obtaining request generated in the first operating system, the first The get request is used to request to get location data;
  • An obtaining module 920 configured to obtain the positioning data from the positioning chip according to the first obtaining request in the second operating system
  • the feedback module 930 is configured to feed back the positioning data from the second operating system to the first operating system.
  • the first generating module 910 is configured to, in response to the first acquisition request generated in the first operating system, generate a corresponding first intermediate instruction, the data format of the first intermediate instruction can be parsed in the second operating system; the first intermediate instruction is sent to the second operating system through the first operating system; the obtaining module 920 , used to determine, in the second operating system, a positioning data acquisition instruction that matches the first intermediate instruction; and acquire the positioning data from a positioning chip according to the positioning data acquisition instruction.
  • the first generation module 910 is configured to generate the acquisition request through a custom executable file in response to the acquisition request generated by the data request object in the first operating system.
  • the corresponding first intermediate instruction is requested, and the executable file is a file written based on the hardware specification of the positioning chip.
  • the first generation module 910 is configured to send the first intermediate instruction from the hardware abstraction layer where the executable file is located to the kernel layer, and the hardware abstraction layer and the The kernel layer belongs to the first operating system; the first intermediate instruction is transmitted from the kernel layer to the routing task through the first data channel, and the routing task belongs to the second operating system; the obtaining module 920, It is used to obtain the object identifier of the data request object in the first intermediate instruction; according to the object identifier, forward the first intermediate instruction to the positioning main task through the routing task, and the positioning main task belongs to The second operating system: through the positioning master task, determine the positioning data acquisition command matching the first intermediate command from a positioning command library.
  • the device further includes a registration module, configured to register a first callback function in the second operating system through the positioning main task, and the first callback function is used to register the Positioning data is fed back to the data request object.
  • a registration module configured to register a first callback function in the second operating system through the positioning main task, and the first callback function is used to register the Positioning data is fed back to the data request object.
  • the obtaining module 920 is configured to instruct the positioning main task to invoke a serial communication interface, and send the positioning data obtaining instruction to the positioning chip;
  • the serial communication interface sends the first data, and receives the first data through the interrupt mode provided by the target interrupt task, the first data includes the feedback signal or the positioning data, and the positioning data is based on the positioning chip
  • the positioning data acquisition instruction feedbacks the positioning standard data, and the target interrupt task is used to provide interrupts for the serial communication receiving interface.
  • the obtaining module 920 is configured to generate an interrupt service program through the target interrupt task in response to the positioning chip sending the first data to the serial communication interface; based on the The interrupt service routine pushes a second callback function to the event task; instructs the event task to detect the integrity of the first data based on the second callback function; in response to the first data being complete data, detects the integrity of the first data The data type contained in the first data; perform corresponding processing according to the data type, so as to complete the process of obtaining the positioning data.
  • the obtaining module 920 is configured to instruct the event task to feed back the positioning data to the first operating system through the first callback function. Or, the obtaining module 920 is configured to, in response to the data type being the feedback signal, instruct the event task to send the feedback signal to the positioning master task through a second callback function; in response to the positioning The main task receives the feedback signal and instructs the positioning main task to stop resending the positioning data acquisition instruction to the positioning chip.
  • the second operating system involved in the device further includes a sensor task, the sensor task is used to register a third callback function, and the third callback function is used to pass the first
  • the second data channel sends the positioning data to a specified object, and the specified object belongs to the first operating system; and/or, the sensor task is used to register a fourth callback function, and the fourth callback function is used to call sending the positioning data to an object in the second operating system at a time.
  • the acquiring module 920 is configured to instruct the first operating system to switch to a sleep state, and in the second operating system, obtain the The positioning data is acquired in the chip; the feedback module 930 is configured to instruct the first operating system to switch to a wake-up state, and feed back the positioning data from the second operating system to the first operating system.
  • the device further includes: a second generation module, an instruction sending module, an instruction determination module, and a first stop module, the second generation module is configured to respond to the first operating system Generate a stop request generated in the corresponding second intermediate instruction, the stop request is used to request to stop obtaining the positioning data; the instruction sending module is used to send the second intermediate instruction from the first operating system sent to the second operating system; the instruction determination module is configured to determine a stop instruction that matches the second intermediate instruction in the second operating system; the first stop module is configured to determine based on the The stop command is used to stop obtaining the positioning data.
  • a second generation module is configured to respond to the first operating system Generate a stop request generated in the corresponding second intermediate instruction, the stop request is used to request to stop obtaining the positioning data
  • the instruction sending module is used to send the second intermediate instruction from the first operating system sent to the second operating system
  • the instruction determination module is configured to determine a stop instruction that matches the second intermediate instruction in the second operating system
  • the first stop module is configured to determine based on the The
  • the first stop module is configured to instruct the positioning main task to receive the stop instruction; instruct the positioning main task to log off the first stop corresponding to the data request object based on the stop instruction.
  • a callback function the first callback function is used to feed back the positioning data to the data request object; in response to the positioning chip being in use, end the process; in response to the positioning chip being in the idle state, shut down the Position the chip.
  • the first stop module is configured to, in response to the positioning chip being in an idle state, shut down the positioning chip after a target duration.
  • the device further includes a second stop module, configured to stop the process of shutting down the positioning chip in response to the current system moment being within the target duration and receiving a positioning chip enabling instruction,
  • the positioning chip activation instruction is used to enable the positioning chip.
  • the device for obtaining positioning data provided by the present application can obtain positioning data from the positioning chip through the interaction between the positioning main task and the positioning chip in the second operating system. After the corresponding interaction process ends, the event task in the second operating system can feed back positioning data to the first operating system through a pre-registered callback function. Since the second operating system provides a complete information control process, the second operating system can successfully obtain the positioning data in the positioning chip and feed it back to the first operating system, on the premise of reducing the power consumption of the terminal when acquiring positioning data In this case, the stability of obtaining positioning data by the second operating system is improved.
  • the second operating system can also obtain positioning data from the positioning chip through the target interrupt task, and know whether the positioning chip has received the first obtaining request through a feedback mechanism. After the positioning chip has obtained the first obtaining request, the positioning main task in the second operating system does not resend the first obtaining request to the positioning chip, which saves power consumption of the second operating system.
  • the embodiment of the present application also provides a computer-readable medium, the computer-readable medium stores at least one instruction, and the at least one instruction is loaded and executed by the processor to achieve the acquisition of positioning data as described in the above embodiments Methods.
  • the device for obtaining positioning data provided by the above-mentioned embodiments executes the method for obtaining positioning data
  • the division of the above-mentioned functional modules is used as an example for illustration.
  • the above-mentioned functions can be assigned by different The functional modules are completed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • the device for obtaining positioning data provided by the above embodiment and the method embodiment for obtaining positioning data belong to the same idea, and its specific implementation process is detailed in the method embodiment, and will not be repeated here.
  • the program can be stored in a computer-readable storage medium.
  • the above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Computer Hardware Design (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

Un procédé et un appareil d'acquisition de données de positionnement, un terminal et un support de stockage qui se rapportent au domaine technique des ordinateurs. Le terminal appliqué dans la présente demande comprend deux processeurs, le premier processeur étant équipé d'un premier système d'exploitation, le second processeur étant équipé d'un second système d'exploitation et d'une puce de positionnement montée sur ce dernier, et la consommation d'énergie du second processeur est inférieure à la consommation d'énergie du premier processeur. Le procédé consiste : en réponse à une première demande d'acquisition dans un premier système d'exploitation, à envoyer la première demande d'acquisition à un second système d'exploitation au moyen du premier système d'exploitation, la première demande d'acquisition étant utilisée pour acquérir des données de positionnement (210) ; dans le second système d'exploitation, à acquérir par un terminal, les données de positionnement à partir d'une puce de positionnement selon la première demande d'acquisition (220) ; et à renvoyer les données de positionnement du second système d'exploitation au premier système d'exploitation (230). Grâce à la présente demande, un terminal peut acquérir des données de positionnement au moyen d'un processeur à faible consommation d'énergie, ce qui permet de réduire la consommation d'énergie du terminal lorsqu'il acquiert des données de positionnement.
PCT/CN2022/084295 2021-05-08 2022-03-31 Procédé et appareil d'acquisition de données de positionnement, terminal et support de stockage WO2022237371A1 (fr)

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CN105487918A (zh) * 2014-10-08 2016-04-13 展讯通信（上海）有限公司 一种信息独立处理系统
CN105674977A (zh) * 2016-01-06 2016-06-15 华为技术有限公司 导航装置和导航方法
US20160255459A1 (en) * 2015-02-27 2016-09-01 Plantronics, Inc. Mobile User Device and Method of Communication over a Wireless Medium
CN109996185A (zh) * 2017-12-29 2019-07-09 腾讯科技（深圳）有限公司 终端的定位方法和装置、存储介质、电子装置

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Publication number Priority date Publication date Assignee Title
CN105487918A (zh) * 2014-10-08 2016-04-13 展讯通信（上海）有限公司 一种信息独立处理系统
US20160255459A1 (en) * 2015-02-27 2016-09-01 Plantronics, Inc. Mobile User Device and Method of Communication over a Wireless Medium
CN105674977A (zh) * 2016-01-06 2016-06-15 华为技术有限公司 导航装置和导航方法
CN109996185A (zh) * 2017-12-29 2019-07-09 腾讯科技（深圳）有限公司 终端的定位方法和装置、存储介质、电子装置

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