WO2017049956A1 - 安卓设备的待机、唤醒方法及装置 - Google Patents

安卓设备的待机、唤醒方法及装置 Download PDF

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Publication number
WO2017049956A1
WO2017049956A1 PCT/CN2016/084642 CN2016084642W WO2017049956A1 WO 2017049956 A1 WO2017049956 A1 WO 2017049956A1 CN 2016084642 W CN2016084642 W CN 2016084642W WO 2017049956 A1 WO2017049956 A1 WO 2017049956A1
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Prior art keywords
module
memory
standby
clock frequency
wake
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PCT/CN2016/084642
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English (en)
French (fr)
Inventor
杨斌
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深圳Tcl数字技术有限公司
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Publication of WO2017049956A1 publication Critical patent/WO2017049956A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs

Definitions

  • the present invention relates to the field of Android device technologies, and in particular, to a standby and wake-up method and device for an Android device.
  • Android With the popularity and application of Android smart systems, more and more users use Android devices with Android systems, such as mobile phones, iPads, TVs, etc., although Android officially optimizes the performance of Android systems, but because of Android Performance is also limited by the performance of the hardware, which makes the human-computer interaction of the device standby is not particularly ideal. For example, when the user presses the power button to put the Android phone into standby state, the LCD backlight of the Android phone does not immediately go out, and then Making the user generate an Android phone does not immediately respond to the illusion of user operation, affecting the user experience.
  • the main purpose of the present invention is to provide a standby and wake-up method and device for an Android device, which aims to solve the technical problem that the standby process of the Android device takes a long time and affects the user experience.
  • the present invention further provides a standby method for an Android device, where the standby method includes:
  • the first related hardware module includes an LCD module, a memory module, and a second correlation.
  • control memory When the memory module receives the message, the control memory enters a self-refresh mode and keeps the memory module in a power-on standby state to retain data in the current memory module;
  • the CPU clock is turned off to put the CPU module in the standby state in the sleep mode.
  • performing standby processing of the LCD module takes precedence over performing standby processing of the memory module and the second related hardware module.
  • the present invention further provides a wake-up method for an Android device using the standby method as described above, the wake-up method comprising:
  • the CPU module When the wake-up signal is detected, the CPU module is woken up and the CPU clock is turned on;
  • the first related hardware module includes an LCD module, a memory module, and a The second related hardware module is described.
  • performing wake-up processing of the LCD module takes precedence over performing wake-up processing of the memory module and the second related hardware module.
  • the waking method further includes:
  • the memory clock frequency and/or the CPU clock frequency are respectively increased to the upper limit value of the memory clock frequency and/or the upper limit value of the CPU clock frequency within a preset time.
  • the present invention further provides a standby device for an Android device, the standby device comprising:
  • a message broadcast module configured to: when a standby signal is detected, broadcast a message to the first related hardware module in the Android device to notify the first related hardware module to prepare to enter a standby state, where the first related hardware module includes an LCD module, a memory module and a second related hardware module;
  • An LCD standby module configured to: when the LCD module receives the message, turn off the LCD backlight and keep the LCD module in a power-on standby state to retain data in the current LCD module;
  • a memory standby module configured to: when the memory module receives the message, control the memory to enter a self-refresh mode and keep the memory module in a power-on standby state to retain data in the current memory module;
  • the other hardware standby module is configured to: when the second related hardware module receives the message, close the second related hardware module;
  • the CPU standby module is configured to: when the first related hardware modules enter the standby state, turn off the CPU clock to make the CPU module in a standby state in the sleep mode.
  • performing standby processing of the LCD module takes precedence over performing standby processing of the memory module and the second related hardware module.
  • the present invention further provides a wake-up device for an Android device using the standby device as described above, the wake-up device comprising:
  • the CPU wake-up module is configured to wake up the CPU module and turn on the CPU clock when the wake-up signal is detected;
  • the LCD wake-up module is used to wake up the LCD module in the power-on standby state and illuminate the LCD backlight;
  • a memory wake-up module for waking up a memory module in a power-on standby state and causing the memory to exit the self-refresh mode
  • the CPU clock frequency recovery module is configured to restore the current CPU clock frequency to a preset frequency to enable the Android device to operate normally after the first related hardware module in the Android device returns to the normal working state, the first related hardware module
  • the LCD module, the memory module and the second related hardware module are included.
  • performing wake-up processing of the LCD module takes precedence over performing wake-up processing of the memory module and the second related hardware module.
  • the wake-up device further comprises:
  • the clock frequency increasing module is configured to increase the memory clock frequency and/or the CPU clock frequency to an upper limit value of the memory clock frequency and/or an upper limit value of the CPU clock frequency, respectively, within a preset time.
  • the invention advances the time of turning off the LCD backlight, thereby quickly responding to the standby button operation of the user and improving the human-computer interaction experience.
  • the LCD module and the memory module are kept in a standby state under power supply to respectively retain the data in the current LCD module and the data in the current memory module, thereby reducing the time for copying data to the disk and improving the standby of the Android device. speed.
  • the time for initializing the LCD module and the memory module is omitted, thereby further improving the wake-up speed of the Android device, thereby improving the user experience.
  • FIG. 1 is a schematic flowchart of an embodiment of a standby method of an Android device according to the present invention
  • FIG. 2 is a schematic flowchart of an embodiment of an awake method of an Android device according to the present invention
  • FIG. 3 is a schematic flowchart of another embodiment of an awake method of an Android device according to the present invention.
  • FIG. 4 is a schematic diagram of functional modules of an embodiment of a standby device of an Android device according to the present invention.
  • FIG. 5 is a schematic diagram of functional modules of an embodiment of a wake-up device for an Android device according to the present invention.
  • FIG. 6 is a schematic diagram of functional modules of another embodiment of an awake device of an Android device according to the present invention.
  • the standby method of the Android device includes:
  • Step S110 When the standby signal is detected, broadcast a message to the first related hardware module in the Android device to notify the first related hardware module to prepare to enter a standby state, where the first related hardware module includes an LCD module, a memory module, and a second related hardware module;
  • the Android device can be divided into multiple hardware modules according to hardware functions, such as a CPU module, an LCD module, a memory module, a touch screen module, an audio input and output module, and the like.
  • the CPU module is configured to process data operations, command (command) execution, and the like of other hardware modules in the Android device. Therefore, when the other hardware modules do not enter the standby state, the CPU module needs to process the other hardware modules into the standby state. Processing operations. For example, monitoring the standby signal and processing broadcast messages by controlling the CPU module.
  • other hardware modules except the CPU module are collectively referred to as a first related hardware module
  • other hardware modules except the CPU module, the LCD module, and the memory module are collectively referred to as a second correlation.
  • Hardware module is collectively referred to as a first related hardware module, and other hardware modules except the CPU module, the LCD module, and the memory module.
  • the standby mode for Android devices can be generally divided into two categories: one is triggered by the user through a corresponding button, such as a power button; the other is triggered by a related application, such as a standby control program. If it is judged that there is no operation within the preset time, it automatically enters the standby state.
  • the standby mode of the Android device is preferably triggered by the user through a corresponding button, such as a corresponding standby signal generated by a power button.
  • Step S120 when the LCD module receives the message, turn off the LCD backlight and keep the LCD module in a power-on standby state to retain data in the current LCD module;
  • the LCD module includes at least an LCD backlight and a control circuit of the LCD.
  • the control CPU module processes the instruction to turn off the LCD backlight and sends a standby command to the LCD module to control the LCD module to maintain the power-on standby state, thereby retaining the data in the current LCD module. It is cleared or lost, and when the LCD module is woken up, it avoids taking a long time to initialize the LCD module.
  • Step S130 when the memory module receives the message, the control memory enters a self-refresh mode and keeps the memory module in a power-on standby state to retain data in the current memory module;
  • the memory module includes at least a memory and a control circuit of the memory.
  • the control CPU module sends a self-refresh command to the memory, thereby controlling the memory to enter the low-power self-refresh mode, and keeping the memory module in the power-on standby state, thereby retaining the current memory.
  • the data in the module will not be cleared or lost, so that when the memory module is woken up, it will take a long time to initialize the memory module.
  • the self-refresh is used when there is no clock input, such as in the standby state.
  • the self-refresh command is executed first and then the self-refresh mode is entered to start the memory internal refresh address counter counting and refresh operation, and the refresh control circuit provides refresh control at a certain time interval.
  • Step S140 when the second related hardware module receives the message, shutting down the second related hardware module
  • Step S150 After the first related hardware modules enter the standby state, the CPU clock is turned off to put the CPU module in the standby state in the sleep mode.
  • the CPU clock is finally turned off to stop the CPU, and the CPU module is in the standby state in the low power sleep mode.
  • the standby process of the Android device is completed, and finally the Android device is in the standby state.
  • the processing order of the steps S120, S130, and S140 is not limited, that is, the standby processing order of the LCD module, the memory module, and other hardware modules other than the CPU module is not limited, and is specifically set according to actual needs.
  • the standby processing of the LCD module is performed first, and then the standby processing of the memory module is performed, and finally the standby processing of other hardware modules is performed; or, for example, the standby processing of other hardware modules is performed first, and then the standby processing of the memory module is performed, and finally, Perform standby processing of the memory module; or, for example, perform concurrent standby processing of the LCD module and the memory module, and then perform standby processing of other hardware modules.
  • performing standby processing of the LCD module takes precedence over performing standby processing of the memory module and the second related hardware module.
  • the LCD backlight is first turned off, and the processing of turning off the LCD backlight is advanced to the front, that is, the time to turn off the LCD backlight is earlier than or equal to the time of processing other hardware modules in the Android device.
  • the processing specifically refers to a process in which the hardware module enters a standby state.
  • the LCD module and the memory module are powered on, thereby retaining the data in the LCD and the data in the memory, that is, omitting the data in the current LCD and The process of saving the current data in the memory to the disk of the Android device, thereby increasing the speed at which the Android device enters the standby state.
  • the time for turning off the LCD backlight is advanced, thereby quickly responding to the user's standby button operation and improving the human-computer interaction experience.
  • the LCD module and the memory module are kept in a standby state under power supply to respectively retain the data in the current LCD module and the data in the current memory module, thereby reducing the time for copying data to the disk and improving the standby of the Android device. Speed and user experience.
  • FIG. 2 is a schematic flowchart diagram of an embodiment of an awake method for an Android device according to the present invention.
  • the method for waking up the Android device in the standby state based on the foregoing embodiment includes:
  • Step S210 when the wake-up signal is detected, wake up the CPU module and turn on the CPU clock;
  • the Android device can be divided into multiple hardware modules, such as a CPU module, an LCD module, a memory module, a touch screen module, an audio input and output module, and the like.
  • the CPU module is used to process data operations, command (command) execution, and the like of other hardware modules in the Android device. Therefore, when waking up other hardware modules except the CPU module, the CPU module needs to process each of the other hardware modules. Processing operations.
  • the CPU module can be woken up by hardware interrupt and the CPU clock can be turned on.
  • the Android system there are two ways to wake up the hardware modules in the Android device: one is to wake up by means of broadcast messages; the other is to pass Wake The Lock mechanism wakes up.
  • the wake-up button operation for the user generally adopts a method of broadcasting a message
  • the wake-up operation for an application generally adopts Wake.
  • the way the Lock mechanism works such as temporary messages, system notifications, and so on.
  • the wake-up mode of the Android device is preferably triggered by the user through a corresponding button, for example, a power-on button is used to generate a corresponding wake-up signal, and the hardware module in the Android device is woken up by broadcasting a message.
  • Step S220 waking up the LCD module in the power-on standby state and lighting the LCD backlight
  • Step S230 waking up the memory module in the power-on standby state and exiting the memory in the self-refresh mode
  • Existing Android devices wake up for a long time, generally between 1000 milliseconds and 1500 milliseconds, and there are two places in the wake-up process that are relatively time consuming: the first is that the Android system first initializes the memory after responding to the user's button. And copying a large amount of system data saved in standby from the disk to the memory, this operation takes about 600 milliseconds; the second is after the wake-up process, the Android system will initialize the LCD LCD, and finally turn on the LCD backlight. This operation takes at least 300 milliseconds. Therefore, in order to quickly wake up the Android device, it is necessary to focus on how to shorten the time-consuming operations of the above two places.
  • the LCD module in order to quickly wake up the Android device, it is preferable to control the LCD module to keep the power-on standby state during the standby processing of the Android device, so as to keep the data in the LCD module from being cleared or lost, thereby waking up the memory module.
  • the process of initializing the LCD module is omitted to shorten the entire wake-up time of the Android device; at the same time, the data in the memory module is retained by controlling the memory to enter the low-power self-refresh mode and keeping the memory module in the power-on standby state. It will not be cleared or lost, and when the memory module is woken up, the process of initializing the memory module is omitted to shorten the entire wake-up time of the Android device.
  • Step S240 waking up the second related hardware module in the Android device
  • Step S250 After the first related hardware module in the Android device returns to the normal working state, the current CPU clock frequency is restored to a preset frequency to enable the Android device to operate normally.
  • the first related hardware module includes an LCD module and a memory. a module and the second related hardware module.
  • the second related hardware module refers to other hardware modules in the Android device except the CPU module, the LCD module, and the memory module, such as a touch screen module, an audio input and output module, and the like.
  • the first related hardware module refers to other hardware modules in the Android device except the CPU module. After the first related hardware module in the Android device returns to the normal working state, the current CPU clock frequency is restored to the preset frequency to enable the Android device to operate normally. Since the CPU clock frequency generally works at the rated frequency, it is necessary to restore the CPU clock frequency to the rated frequency under normal working conditions, wherein the preset frequency is preferably the rated frequency.
  • the processing sequence of steps S220, S230, and S240 is not limited, that is, the awake processing order of the LCD module, the memory module, and other hardware modules other than the CPU module is not limited, and is specifically set according to actual needs.
  • the wake-up processing of the LCD module is performed first, then the wake-up processing of the memory module is performed, and finally the wake-up processing of other hardware modules is performed; or, for example, the wake-up processing of other hardware modules is performed first, and then the wake-up processing of the memory module is performed, and finally, Perform wake-up processing of the memory module; or, for example, perform concurrent wake-up processing of the LCD module and the memory module, and then perform wake-up processing of other hardware modules.
  • performing wake-up processing of the LCD module takes precedence over performing wake-up processing of the memory module and the second related hardware module.
  • the LCD backlight is first turned on, and the processing of turning on the LCD backlight is advanced to the forefront, that is, the time to turn on the LCD backlight is earlier than or equal to the time of processing other hardware modules in the Android device. Therefore, when the user presses the wake-up button operation, the user can immediately feel that the Android device responds to the user's wake-up button operation, thereby improving the user experience.
  • the processing specifically refers to the wake-up processing of the hardware module.
  • the time for lighting the LCD backlight is advanced, thereby quickly responding to the user's wake-up button operation and improving the human-computer interaction experience.
  • the Android device retains the data in the current LCD module and the data in the current memory module during standby, the time for initializing the LCD module and the memory module can be omitted when waking up the LCD module and the memory module, thereby greatly improving the wake-up of Android.
  • the speed of the device which in turn improves the user experience.
  • FIG. 3 is a schematic flowchart diagram of another embodiment of a wake-up method for an Android device according to the present invention. Based on the foregoing embodiment, in the embodiment, after the CPU module and/or the memory module are awake, the waking method further includes:
  • Step S260 correspondingly increasing the memory clock frequency and/or the CPU clock frequency to an upper limit value of the memory clock frequency and/or an upper limit value of the CPU clock frequency within a preset time.
  • Both the frequency and the CPU clock frequency can improve the data processing speed of the memory and/or increase the CPU data and instruction processing speed, thereby correspondingly increasing the wake-up processing rate of the Android device.
  • the rules are raised according to the preset frequency, and the memory clock frequency and/or the CPU clock frequency are respectively increased, for example, the upper limit value is increased, thereby speeding up the Android.
  • the data processing speed of the system in turn, to some extent, the wake-up speed of other hardware modules. That is, the memory clock frequency and/or the CPU clock frequency are overclocked within a preset time, so that the data processing speed is rapidly increased.
  • the CPU clock frequency may be increased after the CPU clock is turned on, or may be improved after the CPU and the memory are woken up, and specifically set according to actual needs.
  • the memory clock frequency it can be improved after the memory clock frequency is turned on, or after the CPU and the memory are awakened, and then set according to actual needs.
  • step S260 preferably increases the memory clock frequency and the CPU clock frequency after both the CPU module and the memory module are woken up, and both increase to the maximum upper limit value of the respective clock frequency.
  • the memory clock frequency can be restored to the rated working frequency accordingly, and how to recover is set according to actual needs.
  • the memory clock frequency and/or the CPU clock frequency are increased, thereby speeding up the processing speed of data and instructions during the wake-up process, thereby further accelerating the wake-up speed of the Android device, as shown in Table 1. Time-consuming test results of the wake-up operation of the Android device.
  • the above 9.1ms is only the wake-up time perceived by the user, but in fact, the entire wake-up process of the Android device consumes 35.9ms, but 35.9ms is also much smaller than the wake-up process of the existing Android device.
  • the time consumed 1000ms-1500ms
  • the time required for this process is also much longer than 26.8ms. Therefore, in this embodiment, even if the LCD backlight is lit in advance And let the user mistakenly believe that the Android device has completely awakened, and will not affect the user's actual operation experience.
  • FIG. 4 is a schematic diagram of functional modules of an embodiment of a standby device of an Android device according to the present invention.
  • the standby device of the Android device includes:
  • the message broadcast module 110 is configured to: when the standby signal is monitored, broadcast a message to the first related hardware module in the Android device to notify the first related hardware module to prepare to enter a standby state, where the first related hardware module includes an LCD module. , a memory module and a second related hardware module;
  • the Android device can be divided into multiple hardware modules according to hardware functions, such as a CPU module, an LCD module, a memory module, a touch screen module, an audio input and output module, and the like.
  • the CPU module is configured to process data operations, command (command) execution, and the like of other hardware modules in the Android device. Therefore, when the other hardware modules do not enter the standby state, the CPU module needs to process the other hardware modules into the standby state. Processing operations.
  • the message broadcast module 110 monitors the standby signal and processes the broadcast message and the like by controlling the CPU module.
  • other hardware modules except the CPU module are collectively referred to as a first related hardware module
  • other hardware modules except the CPU module, the LCD module, and the memory module are collectively referred to as a second correlation.
  • Hardware module is collectively referred to as a first related hardware module, and other hardware modules except the CPU module, the LCD module, and the memory module.
  • the standby mode for Android devices can be generally divided into two categories: one is triggered by the user through a corresponding button, such as a power button; the other is triggered by a related application, such as a standby control program. If it is judged that there is no operation within the preset time, it automatically enters the standby state.
  • the standby mode of the Android device is preferably triggered by the user through a corresponding button, such as a corresponding standby signal generated by a power button.
  • the LCD standby module 120 is configured to: when the LCD module receives the message, turn off the LCD backlight and keep the LCD module in a power-on standby state to retain data in the current LCD module;
  • the LCD module includes at least an LCD backlight and a control circuit of the LCD.
  • the LCD standby module 120 controls the LCD module to maintain the power-on standby state by controlling the CPU module to process the instruction to turn off the LCD backlight and send a standby command to the LCD module, thereby preserving the current LCD module. The data will not be cleared or lost, and it will take longer to initialize the LCD module when the LCD module is woken up.
  • the memory standby module 130 is configured to: when the memory module receives the message, control the memory to enter a self-refresh mode and keep the memory module in a power-on standby state to retain data in the current memory module;
  • the memory module includes at least a memory and a control circuit of the memory.
  • the memory standby module 130 controls the CPU module to send a self-refresh command to the memory, thereby controlling the memory to enter the low-power self-refresh mode, and keeping the memory module in the power-on standby state. Therefore, the data in the current memory module is not cleared or lost, and the memory module is prevented from being initialized for a long time when the memory module is woken up.
  • the self-refresh is used when there is no clock input, such as in the standby state.
  • the self-refresh command is executed first and then the self-refresh mode is entered to start the memory internal refresh address counter counting and refresh operation, and the refresh control circuit provides refresh control at a certain time interval.
  • the other hardware standby module 140 is configured to: when the second related hardware module receives the message, close the second related hardware module;
  • the other hardware standby module 140 in order to maximize standby power consumption, the other hardware standby module 140 needs to turn off the second related hardware module, such as a touch screen module, an audio input and output module, and the like.
  • the CPU standby module 150 is configured to: when the first related hardware modules enter the standby state, turn off the CPU clock to make the CPU module in a standby state in the sleep mode.
  • the CPU standby module 150 When the first hardware modules other than the CPU module enter the standby state, the CPU standby module 150 finally turns off the CPU clock to stop the CPU, and controls the CPU module to be in the standby state in the low power sleep mode.
  • the standby process of the Android device is completed, and finally the Android device is in the standby state.
  • the process of turning off the LCD backlight is generally placed behind other hardware modules. Therefore, due to the long standby processing time of other hardware modules, the user mistakenly thinks that Android The device does not respond to the user's button operations in time, thus affecting the user experience.
  • performing standby processing of the LCD module takes precedence over performing standby processing of the memory module and the second related hardware module.
  • the LCD backlight is first turned off, and the processing of turning off the LCD backlight is advanced to the front, that is, the time to turn off the LCD backlight is earlier than or equal to the time of processing other hardware modules in the Android device.
  • the processing specifically refers to a process in which the hardware module enters a standby state.
  • the LCD module and the memory module are powered on, thereby retaining the data in the LCD and the data in the memory, that is, omitting the data in the current LCD and The process of saving the current data in the memory to the disk of the Android device, thereby increasing the speed at which the Android device enters the standby state.
  • the time for turning off the LCD backlight is advanced, thereby quickly responding to the user's standby button operation and improving the human-computer interaction experience.
  • the LCD module and the memory module are kept in a standby state under power supply to respectively retain the data in the current LCD module and the data in the current memory module, thereby reducing the time for copying data to the disk and improving the standby of the Android device. Speed and user experience.
  • FIG. 5 is a schematic diagram of functional modules of an embodiment of a wake-up device for an Android device according to the present invention.
  • the wake-up device of the Android device in the standby state based on the foregoing embodiment includes:
  • the CPU wake-up module 210 is configured to wake up the CPU module and turn on the CPU clock when the wake-up signal is detected;
  • the Android device can be divided into multiple hardware modules, such as a CPU module, an LCD module, a memory module, a touch screen module, an audio input and output module, and the like.
  • the CPU module is used to process data operations, command (command) execution, and the like of other hardware modules in the Android device. Therefore, when waking up other hardware modules except the CPU module, the CPU wake-up module 210 needs to wake up by the CPU module processing.
  • the CPU module can be woken up by hardware interrupt and the CPU clock can be turned on.
  • the Android system there are two ways to wake up the hardware modules in the Android device: one is to wake up by means of broadcast messages; the other is to pass Wake The Lock mechanism wakes up.
  • the wake-up button operation for the user generally adopts a method of broadcasting a message
  • the wake-up operation for an application generally adopts Wake.
  • the way the Lock mechanism works such as temporary messages, system notifications, and so on.
  • the wake-up mode of the Android device is preferably triggered by the user through a corresponding button, for example, a power-on button is used to generate a corresponding wake-up signal, and the hardware module in the Android device is woken up by broadcasting a message.
  • the LCD wake-up module 220 is configured to wake up the LCD module in the power-on standby state and illuminate the LCD backlight;
  • the memory wake-up module 230 is configured to wake up the memory module in the power-on standby state and release the memory from the self-refresh mode;
  • Existing Android devices wake up for a long time, generally between 1000 milliseconds and 1500 milliseconds, and there are two places in the wake-up process that are relatively time consuming: the first is that the Android system first initializes the memory after responding to the user's button. And copying a large amount of system data saved in standby from the disk to the memory, this operation takes about 600 milliseconds; the second is after the wake-up process, the Android system will initialize the LCD LCD, and finally turn on the LCD backlight. This operation takes at least 300 milliseconds. Therefore, in order to quickly wake up the Android device, it is necessary to focus on how to shorten the time-consuming operations of the above two places.
  • the LCD wake-up module 220 maintains the power-on standby state by controlling the LCD module to keep the data in the LCD module from being cleared or lost.
  • the process of initializing the LCD module is omitted to shorten the entire wake-up time of the Android device; at the same time, the memory wake-up module 230 enters the low-power self-refresh mode by controlling the memory and keeps the memory module in the power-on standby state. The data in the reserved memory module will not be cleared or lost.
  • the process of initializing the memory module is omitted to shorten the entire wake-up time of the Android device.
  • the other hardware wake-up module 240 is configured to wake up the second related hardware module in the Android device
  • the CPU clock frequency recovery module 250 is configured to restore the current CPU clock frequency to a preset frequency to enable the Android device to operate normally after the first related hardware module in the Android device returns to the normal working state, the first related hardware
  • the module includes an LCD module, a memory module, and the second related hardware module.
  • the second related hardware module refers to other hardware modules in the Android device except the CPU module, the LCD module, and the memory module, such as a touch screen module, an audio input and output module, and the like.
  • the first related hardware module refers to other hardware modules in the Android device except the CPU module.
  • the CPU clock frequency recovery module 250 restores the current CPU clock frequency to the preset frequency to enable the Android device to operate normally. Since the CPU clock frequency generally works at the rated frequency, it is necessary to restore the CPU clock frequency to the rated frequency under normal working conditions, wherein the preset frequency is preferably the rated frequency.
  • the time for turning on the LCD backlight is generally placed behind the processing of other hardware modules. Therefore, due to the long wake-up processing time of other hardware modules, the user mistakenly thinks that the Android device is It does not respond to the user's button operations in time, thus affecting the user experience.
  • performing wake-up processing of the LCD module takes precedence over performing wake-up processing of the memory module and the second related hardware module.
  • the LCD backlight is first turned on, and the processing of turning on the LCD backlight is advanced to the forefront, that is, the time to turn on the LCD backlight is earlier than or equal to the time of processing other hardware modules in the Android device. Therefore, when the user presses the wake-up button operation, the user can immediately feel that the Android device responds to the user's wake-up button operation, thereby improving the user experience.
  • the processing specifically refers to the wake-up processing of the hardware module.
  • the time for lighting the LCD backlight is advanced, thereby quickly responding to the user's wake-up button operation and improving the human-computer interaction experience.
  • the Android device retains the data in the current LCD module and the data in the current memory module during standby, the time for initializing the LCD module and the memory module can be omitted when waking up the LCD module and the memory module, thereby greatly improving the wake-up of Android.
  • the speed of the device which in turn improves the user experience.
  • FIG. 6 is a schematic diagram of functional modules of another embodiment of an awake device of an Android device according to the present invention. Based on the foregoing embodiment, in this embodiment, the wake-up device of the Android device further includes:
  • the clock frequency increasing module 260 is configured to increase the memory clock frequency and/or the CPU clock frequency to an upper limit value of the memory clock frequency and/or an upper limit value of the CPU clock frequency, respectively, within a preset time.
  • the clock frequency increasing module 260 only needs to increase the memory clock frequency or increase the CPU clock frequency. Or increase the memory clock frequency and the CPU clock frequency, can improve the data processing speed of the memory and / or increase the CPU data and instruction processing speed, thereby correspondingly increasing the wake-up processing rate of the Android device.
  • the clock frequency increasing module 260 correspondingly increases the rule according to the preset frequency, and respectively increases the memory clock frequency and/or the CPU clock frequency to speed up the data of the Android system. Processing speed, and thus to some extent, to improve the wake-up speed of the hardware module. That is, the memory clock frequency and/or the CPU clock frequency are overclocked within a preset time, so that the data processing speed is rapidly increased, for example, the upper limit value of each clock frequency is raised.
  • the CPU clock frequency may be increased after the CPU clock is turned on, or may be improved after the CPU and the memory are woken up, and specifically set according to actual needs.
  • the memory clock frequency it can be improved after the memory clock frequency is turned on, or after the CPU and the memory are awakened, and then set according to actual needs.
  • the memory clock frequency can be restored to the rated working frequency accordingly, and how to recover is set according to actual needs.
  • the memory clock frequency and/or the CPU clock frequency are increased, thereby speeding up the processing speed of data and instructions during the wake-up process, thereby further accelerating the wake-up speed of the Android device, as shown in Table 1.
  • the user can press the wake-up button until the LCD lights up and the image appears less than 10 mm, so the user does not feel the pause in the response speed during the wake-up process, thus realizing the instant of the Android device. Wake up and improve the user experience.
  • the above 9.1ms is only the wake-up time perceived by the user, but in fact, the entire wake-up process of the Android device consumes 35.9ms, but 35.9ms is also much smaller than the wake-up process of the existing Android device.
  • the time consumed (1000ms-1500ms) and when the user feels that the Android device has been woken up and performs touch operation, the time required for this process is also much longer than 26.8ms. Therefore, in this embodiment, even if the LCD backlight is lit in advance And let the user mistakenly believe that the Android device has completely awakened, and will not affect the user's actual operation experience.

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Abstract

一种安卓设备的待机、唤醒方法及装置，其中，安卓设备的待机方法包括：当监测到待机信号时，通知相关硬件模块准备进入待机状态(S110)；关闭LCD背光且保持LCD模块处于通电的待机状态以保留当前LCD模块内的数据(S120)；控制内存进入自刷新模式且保持内存模块处于通电的待机状态以保留当前内存模块内的数据(S130)；关闭其他硬件模块(S140)；当其他相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态(S150)。通过优化安卓设备的待机流程，进而缩短安卓设备的唤醒时间，提高用户使用体验。

Description

安卓设备的待机、唤醒方法及装置
技术领域
本发明涉及安卓设备技术领域，尤其涉及安卓设备的待机、唤醒方法及装置。
背景技术
随着安卓智能系统的普及与应用，越来越多的用户使用带有安卓系统的安卓设备，比如手机、ipad、电视机等，虽然安卓官方在不断优化安卓系统的性能，但由于安卓系统的性能还受限于硬件的性能，从而导致设备待机的人机交互不是特别理想，例如，当用户按下电源键而使安卓手机进入待机状态时，安卓手机的LCD背光并不会马上熄灭，进而使得用户产生安卓手机并没有立即响应用户操作的错觉，影响用户使用体验。此外，现有安卓设备进入待机状态时，需要在关闭诸如DDR、LCD等硬件时，将DDR、LCD上的相关数据转移并保存到安卓设备内的磁盘上，进而影响了最终进入待机状态的速度。现今用户使用安卓设备非常之频繁，同时操作也非常之熟练，在用户按下待机按键操作后就想手机立即执行待机操作，但受限于安卓系统和安卓设备的硬件性能的影响，安卓设备待机时间都比较长，这样必然会给用户体验造成一定影响。
发明内容
本发明的主要目的在于提供一种安卓设备的待机、唤醒方法及装置，旨在解决安卓设备待机过程耗时较长，进而影响用户使用体验的技术问题。
为实现上述目的，本发明还提供一种安卓设备的待机方法，所述待机方法包括：
当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态。
优选地，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。
进一步地，为实现上述目的，本发明还提供一种使用如上所述待机方法的安卓设备的唤醒方法，所述唤醒方法包括：
当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
唤醒处于通电待机状态的LCD模块并点亮LCD背光；
唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
唤醒安卓设备内的第二相关硬件模块；
当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
优选地，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。
优选地，在唤醒CPU模块和/或内存模块之后，所述唤醒方法还包括：
在预设时间内，将内存时钟频率和/或CPU时钟频率分别对应提高至内存时钟频率的上限值和/或CPU时钟频率的上限值。
为实现上述目的，本发明还提供一种安卓设备的待机装置，所述待机装置包括：
消息广播模块，用于当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
LCD待机模块，用于当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
内存待机模块，用于当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
其他硬件待机模块，用于当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
CPU待机模块，用于当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态。
优选地，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。
进一步地，为实现上述目的，本发明还提供一种使用如上述待机装置的安卓设备的唤醒装置，所述唤醒装置包括：
CPU唤醒模块，用于当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
LCD唤醒模块，用于唤醒处于通电待机状态的LCD模块并点亮LCD背光；
内存唤醒模块，用于唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
其他硬件唤醒模块，用于唤醒安卓设备内的第二相关硬件模块；
CPU时钟频率恢复模块，用于当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
优选地，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。
优选地，唤醒装置还包括：
时钟频率提高模块，用于在预设时间内，将内存时钟频率和/或CPU时钟频率分别对应提高至内存时钟频率的上限值和/或CPU时钟频率的上限值。
本发明通过优化安卓设备的待机流程，将LCD背光关闭的时间提前，从而快速响应用户的待机按键操作，提高人机交互体验。同时，使LCD模块与内存模块保持通电下的待机状态，以分别保留当前LCD模块内的数据与当前内存模块内的数据，从而减少了将数据拷贝至磁盘上的时间，提高了安卓设备的待机速度。进一步地，通过保留当前LCD模块内的数据与当前内存模块内的数据，进而省略初始化LCD模块与内存模块的时间，进一步提高了安卓设备的唤醒速度，进而提高用户使用体验。
附图说明
图1为本发明安卓设备的待机方法一实施例的流程示意图；
图2为本发明安卓设备的唤醒方法一实施例的流程示意图；
图3为本发明安卓设备的唤醒方法另一实施例的流程示意图；
图4为本发明安卓设备的待机装置一实施例的功能模块示意图；
图5为本发明安卓设备的唤醒装置一实施例的功能模块示意图；
图6为本发明安卓设备的唤醒装置另一实施例的功能模块示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
参照图1，图1为本发明安卓设备的待机方法一实施例的流程示意图。本实施例中，安卓设备的待机方法包括：
步骤S110，当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
本实施例中，根据硬件功能可将安卓设备划分为多个硬件模块，比如CPU模块、LCD模块、内存模块、触摸屏模块、音频输入输出模块等。其中，CPU模块用于处理安卓设备内的其他硬件模块的数据运算、指令（命令）执行等，因此，在其他硬件模块未进入待机状态时，需要通过CPU模块处理其他硬件模块进入待机状态的各种处理操作。比如，通过控制CPU模块监测待机信号以及处理广播消息等。为便于描述说明，本实施例中具体将除CPU模块之外的其他硬件模块统称为第一相关硬件模块，而将除CPU模块、LCD模块、内存模块之外的其他硬件模块统称为第二相关硬件模块。
此外，需要进一步说明的是，对于安卓设备的待机方式一般可分为两类：一类是由用户通过相应按键触发，比如电源按键；另一类则是由相关应用程序触发，比如待机控制程序若判断在预设时间内不存在任何操作则自动进入待机状态。本实施例中安卓设备的待机方式优选由用户通过相应按键触发，比如通过电源按键产生相应的待机信号。
步骤S120，当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
本实施例中，LCD模块至少包括LCD背光以及LCD的控制电路。当LCD模块接收到准备进入待机状态的广播消息时，通过控制CPU模块处理关闭LCD背光的指令以及向LCD模块发送待机指令以控制LCD模块保持通电待机状态，从而保留当前LCD模块内的数据不会被清除或丢失，进而在LCD模块被唤醒时，避免花费较长时间对LCD模块进行初始化处理。
步骤S130，当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
本实施例中，内存模块至少包括内存以及内存的控制电路。当内存模块接收到准备进入待机状态的广播消息时，通过控制CPU模块向内存发送自刷新命令，从而控制内存进入低功耗的自刷新模式，并且保持内存模块处于通电待机状态，从而保留当前内存模块内的数据不会被清除或丢失，进而在内存模块被唤醒时，避免花费较长时间对内存模块进行初始化处理。
一般内存持续工作而需要不断刷新数据，自刷新具体在无时钟输入时使用，比如在待机状态下。先执行自刷新命令然后再进入自刷新模式，以开始内存内部刷新地址计数器计数与刷新操作，刷新控制电路则按一定的时间间隔提供刷新控制。
步骤S140，当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
本实施例中，在待机状态下，为最大限度节省待机的电能消耗，需要关闭第二相关硬件模块，比如关闭触摸屏模块、音频输入输出模块等，以使其停止工作。
步骤S150，当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态。
当除CPU模块以外的第一硬件模块均进入待机状态后，最后关闭CPU时钟而使CPU停止运行，同时CPU模块处于低功耗的睡眠模式下的待机状态。当CPU模块处于待机状态后，也即完成了安卓设备的待机处理过程，最终安卓设备处于待机状态。
本实施例中，对于步骤S120、S130及S140的处理顺序不限，也即对于除CPU模块以外的LCD模块、内存模块以及其他硬件模块的待机处理顺序不限，具体根据实际需要进行设置。比如先进行LCD模块的待机处理，然后再进行内存模块的待机处理，最后再进行其他硬件模块的待机处理；或者比如先进行其他硬件模块的待机处理，然后再进行内存模块的待机处理，最后再进行内存模块的待机处理；或者比如先进行LCD模块、内存模块并发式待机处理，然后再进行其他硬件模块的待机处理等。鉴于当前安卓设备的待机处理流程中，一般将关闭LCD背光的处理放置在其他硬件模块处理的后面，因此，由于其他硬件模块较长的待机处理时长，从而导致用户误以为安卓设备并没有及时响应用户的按键操作，从而影响用户体验。
因此，可选的，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。其中，在进行LCD模块的待机处理时，首先关闭LCD背光，也即将关闭LCD背光的处理提前到最前面，也即关闭LCD背光的时间早于或等于处理安卓设备内其他各硬件模块的时间，从而当用户按下待机按键操作后，用户即可立刻感觉到安卓设备响应了用户的待机按键操作。其中，处理具体是指硬件模块的进入待机状态的处理。
此外，现有安卓设备的待机过程中，为节省待机过程中的电能消耗，一般需要关闭所有一切可以关闭的硬件模块以节省功耗输出，比如，关闭LCD模块、关闭内存模块等。同时，为在唤醒时能够恢复到待机前的状态，因此，需要将当前LCD内的数据以及当前内存内的数据保存至安卓设备的磁盘上，因而花费了较长的时长。本实施例中，则尽可能降低安卓设备功耗输出的同时，保持LCD模块以及内存模块通电，从而相应保留了LCD内的数据与内存内的数据，也即省略了将当前LCD内的数据以及当前内存内的数据分别保存至安卓设备的磁盘上的过程，进而提高了安卓设备进入待机状态的速度。
本实施例中，通过优化安卓设备的待机流程，将LCD背光关闭的时间提前，从而快速响应用户的待机按键操作，提高人机交互体验。同时，使LCD模块与内存模块保持通电下的待机状态，以分别保留当前LCD模块内的数据与当前内存模块内的数据，从而减少了将数据拷贝至磁盘上的时间，提高了安卓设备的待机速度以及用户使用体验。
参照图2，图2为本发明安卓设备的唤醒方法一实施例的流程示意图。本实施例中，基于上述实施例中待机状态下的安卓设备的唤醒方法包括：
步骤S210，当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
本实施例中，根据硬件功能，可将安卓设备划分为多个硬件模块，比如CPU模块、LCD模块、内存模块、触摸屏模块、音频输入输出模块等。其中，CPU模块用于处理安卓设备内的其他硬件模块的数据运算、指令（命令）执行等，因此，在唤醒除CPU模块以外的其他硬件模块时，需要通过CPU模块处理唤醒其他硬件模块的各种处理操作。在安卓系统中，CPU模块可以通过硬件中断的方式被唤醒并开启CPU时钟。
此外，需要进一步说明的是，在安卓系统中，唤醒安卓设备内各硬件模块的方式有两种：一是通过广播消息的方式唤醒；二是通过Wake Lock机制唤醒。其中，对于用户的唤醒按键操作一般采用通过广播消息的方式，而对于应用程序的唤醒操作一般采用Wake Lock机制的方式，比如临时消息，系统通知等。本实施例中安卓设备的唤醒方式优选由用户通过相应按键触发，比如通过电源按键产生相应的唤醒信号，同时通过广播消息的方式以唤醒安卓设备内各硬件模块。
步骤S220，唤醒处于通电待机状态的LCD模块并点亮LCD背光；
步骤S230，唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
现有安卓设备唤醒的时间较长，一般在1000毫秒到1500毫秒之间，而唤醒流程中比较耗时的地方有两处：第一处是安卓系统响应了用户按键后，会先初始化内存，并从磁盘上将待机时保存的大量系统数据拷贝至内存，这一操作会耗时600毫秒左右；第二处是在唤醒流程的后续，安卓系统会初始化液晶显示屏LCD，最后再打开LCD背光，这一操作会耗时至少300毫秒。因此，为快速唤醒安卓设备，也即需要重点解决如何缩短上述两处的耗时操作。本实施例中，为快速唤醒安卓设备，优选在对安卓设备进行待机处理时，通过控制LCD模块保持通电的待机状态，以保留LCD模块内的数据不会被清除或丢失，进而在唤醒内存模块时，省略对LCD模块进行初始化的处理过程以缩短安卓设备的整个唤醒时长；同时，通过控制内存进入低功耗的自刷新模式并保持内存模块处于通电的待机状态，从而保留内存模块内的数据不会被清除或丢失，进而在唤醒内存模块时，省略对内存模块进行初始化的处理过程以缩短安卓设备的整个唤醒时长。
步骤S240，唤醒安卓设备内的第二相关硬件模块；
步骤S250，当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
本实施例中，第二相关硬件模块是指除CPU模块、LCD模块及内存模块以外的安卓设备内的其他硬件模块，比如触摸屏模块、音频输入输出模块等。而第一相关硬件模块是指除CPU模块以外的安卓设备内的其他硬件模块。当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行。由于CPU时钟频率一般都是在额定频率下工作，因此，需要将CPU时钟频率恢复为正常工作状态下的额定频率，其中，预设频率优选为额定频率。
本实施例中，对于步骤S220、S230及S240的处理顺序不限，也即对于除CPU模块以外的LCD模块、内存模块以及其他硬件模块的唤醒处理顺序不限，具体根据实际需要进行设置。比如先进行LCD模块的唤醒处理，然后再进行内存模块的唤醒处理，最后再进行其他硬件模块的唤醒处理；或者比如先进行其他硬件模块的唤醒处理，然后再进行内存模块的唤醒处理，最后再进行内存模块的唤醒处理；或者比如先进行LCD模块、内存模块并发式唤醒处理，然后再进行其他硬件模块的唤醒处理等。鉴于当前安卓设备的唤醒流程中，一般将打开LCD背光的时间放置在其他硬件模块处理的后面，因此，由于其他硬件模块较长的唤醒处理时长，从而导致用户误以为安卓设备并没有及时响应用户的按键操作，从而影响用户体验。
因此，可选的，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。其中，在进行LCD模块的唤醒处理时，首先打开LCD背光，也即将打开LCD背光的处理提前到最前面，也即打开LCD背光的时间早于或等于处理安卓设备内其他各硬件模块的时间，从而当用户按下唤醒按键操作后，用户即可立刻感觉到安卓设备响应了用户的唤醒按键操作，从而提高了用户的使用体验。其中，处理具体是指硬件模块的唤醒处理。
本实施例中，通过优化安卓设备的唤醒流程，将LCD背光点亮的时间提前，从而快速响应用户的唤醒按键操作，提高人机交互体验。同时，由于安卓设备待机时保留了当前LCD模块内的数据与当前内存模块内的数据，因而在唤醒LCD模块与内存模块时，可以省略初始化LCD模块与内存模块的时间，从而大大提高了唤醒安卓设备的速度，进而提高用户使用体验。
参照图3，图3为本发明安卓设备的唤醒方法另一实施例的流程示意图。基于上述实施例，本实施例中，在唤醒CPU模块和/或内存模块之后，所述唤醒方法还包括：
步骤S260，在预设时间内，将内存时钟频率和/或CPU时钟频率分别对应提高至内存时钟频率的上限值和/或CPU时钟频率的上限值。
由于内存时钟频率与CPU时钟频率的高低在一定程度上决定了安卓系统对于系统内各种数据、指令等的处理速度，因此，只要提高内存时钟频率，或者提高CPU时钟频率，或者同时提高内存时钟频率与CPU时钟频率，都可提升内存的数据处理速度和/或提升CPU的数据与指令处理速度，进而相应提升安卓设备的唤醒处理速率。
本实施例中，在唤醒了CPU模块和/或内存模块后，相应根据预设的频率提高规则，分别对应提高内存时钟频率和/或CPU时钟频率，比如都提高到上限值，从而加快安卓系统的数据处理速度，进而在一定程度上提高对其他硬件模块的唤醒速度。也即在预设时间内，对内存时钟频率和/或CPU时钟频率进行超频处理，使其数据处理速度迅速提升。
此外，需进一步说明的是，对于CPU时钟频率的提高，既可以是在开启CPU时钟后进行提高，也可以是在CPU与内存都被唤醒之后再进行提高，具体根据实际需要进行设置。而对于内存时钟频率的提高，既可以是在开启内存时钟频率后进行提高，也可以是在CPU与内存都被唤醒之后再进行提高，具体根据实际需要进行设置。本实施例中，步骤S260优选在CPU模块与内存模块都被唤醒之后，进行内存时钟频率与CPU时钟频率提高，且都提高到各自时钟频率的最大上限值。
另外，在安卓设备内的第一相关硬件模块均恢复正常工作状态后，也可相应将内存时钟频率恢复到额定工作频率，具体如何恢复则根据实际需要进行设置。
相对上述实施例，本实施例中通过提升内存时钟频率和/或CPU时钟频率，从而加快了唤醒过程中的数据和指令的处理速度，进而进一步加快了对安卓设备的唤醒速度，如表1所示的安卓设备唤醒操作的耗时测试结果。
唤醒操作 消耗时间（毫秒） 唤醒操作 消耗时间（毫秒）
按键响应 5.0 内存唤醒 1.8
CPU唤醒 1.5 外设唤醒 16.0
LCD背光 2.6 CPU时钟恢复 9.0
按照本实施例中的安卓设备待机后的唤醒流程，从表1中可以计算出用户体验的待机唤醒时间= 按键响应时间 + CPU唤醒时间 + LCD背光开启时间 = 5.0ms + 1.5ms + 2.6ms = 9.1ms。也即在10毫秒以下，用户从按下唤醒按键，到LCD点亮并出现图像的时间不到10毫米，因而用户根本感觉不到唤醒过程中响应速度上的停顿，从而实现了安卓设备的瞬间唤醒，提高了用户使用体验。此外，需要说明的是，上述9.1ms仅仅只是用户所感觉上的唤醒时间，但实际上安卓设备的整个唤醒过程所消耗时间为35.9ms，但35.9ms也远远小于现有安卓设备的唤醒过程所消耗时间（1000ms-1500ms），而当用户感觉安卓设备已经被唤醒而进行触控操作时，此过程所需时间也远远大于26.8ms，因此，本实施例中，即使提前点亮LCD背光而让用户误认为安卓设备已经完全唤醒，也不会影响用户实际操作时的体验。
参照图4，图4为本发明安卓设备的待机装置一实施例的功能模块示意图。本实施例中，安卓设备的待机装置包括：
消息广播模块110，用于当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
本实施例中，根据硬件功能可将安卓设备划分为多个硬件模块，比如CPU模块、LCD模块、内存模块、触摸屏模块、音频输入输出模块等。其中，CPU模块用于处理安卓设备内的其他硬件模块的数据运算、指令（命令）执行等，因此，在其他硬件模块未进入待机状态时，需要通过CPU模块处理其他硬件模块进入待机状态的各种处理操作。比如，消息广播模块110通过控制CPU模块监测待机信号以及处理广播消息等。为便于描述说明，本实施例中具体将除CPU模块之外的其他硬件模块统称为第一相关硬件模块，而将除CPU模块、LCD模块、内存模块之外的其他硬件模块统称为第二相关硬件模块。
此外，需要进一步说明的是，对于安卓设备的待机方式一般可分为两类：一类是由用户通过相应按键触发，比如电源按键；另一类则是由相关应用程序触发，比如待机控制程序若判断在预设时间内不存在任何操作则自动进入待机状态。本实施例中安卓设备的待机方式优选由用户通过相应按键触发，比如通过电源按键产生相应的待机信号。
LCD待机模块120，用于当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
本实施例中，LCD模块至少包括LCD背光以及LCD的控制电路。当LCD模块接收到准备进入待机状态的广播消息时，LCD待机模块120通过控制CPU模块处理关闭LCD背光的指令以及向LCD模块发送待机指令以控制LCD模块保持通电待机状态，从而保留当前LCD模块内的数据不会被清除或丢失，进而在LCD模块被唤醒时，避免花费较长时间对LCD模块进行初始化处理。
内存待机模块130，用于当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
本实施例中，内存模块至少包括内存以及内存的控制电路。当内存模块接收到准备进入待机状态的广播消息时，内存待机模块130通过控制CPU模块向内存发送自刷新命令，从而控制内存进入低功耗的自刷新模式，并且保持内存模块处于通电待机状态，从而保留当前内存模块内的数据不会被清除或丢失，进而在内存模块被唤醒时，避免花费较长时间对内存模块进行初始化处理。
一般内存持续工作而需要不断刷新数据，自刷新具体在无时钟输入时使用，比如在待机状态下。先执行自刷新命令然后再进入自刷新模式，以开始内存内部刷新地址计数器计数与刷新操作，刷新控制电路则按一定的时间间隔提供刷新控制。
其他硬件待机模块140，用于当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
本实施例中，在待机状态下，为最大限度节省待机的电能消耗，其他硬件待机模块140需要关闭第二相关硬件模块，比如触摸屏模块、音频输入输出模块等。
CPU待机模块150，用于当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态。
当除CPU模块以外的第一硬件模块均进入待机状态后，CPU待机模块150最后关闭CPU时钟而使CPU停止运行，同时控制CPU模块处于低功耗的睡眠模式下的待机状态。当CPU模块处于待机状态后，也即完成了安卓设备的待机处理过程，最终安卓设备处于待机状态。
本实施例中，鉴于当前安卓设备的待机处理流程中，一般将关闭LCD背光的处理放置在其他硬件模块处理的后面，因此，由于其他硬件模块较长的待机处理时长，从而导致用户误以为安卓设备并没有及时响应用户的按键操作，从而影响用户体验。
因此，可选的，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。其中，在进行LCD模块的待机处理时，首先关闭LCD背光，也即将关闭LCD背光的处理提前到最前面，也即关闭LCD背光的时间早于或等于处理安卓设备内其他各硬件模块的时间，从而当用户按下待机按键操作后，用户即可立刻感觉到安卓设备响应了用户的待机按键操作。其中，处理具体是指硬件模块的进入待机状态的处理。
此外，现有安卓设备的待机过程中，为节省待机过程中的电能消耗，一般需要关闭所有一切可以关闭的硬件模块以节省功耗输出，比如，关闭LCD模块、关闭内存模块等。同时，为在唤醒时能够恢复到待机前的状态，因此，需要将当前LCD内的数据以及当前内存内的数据保存至安卓设备的磁盘上，因而花费了较长的时长。本实施例中，则尽可能降低安卓设备功耗输出的同时，保持LCD模块以及内存模块通电，从而相应保留了LCD内的数据与内存内的数据，也即省略了将当前LCD内的数据以及当前内存内的数据分别保存至安卓设备的磁盘上的过程，进而提高了安卓设备进入待机状态的速度。
本实施例中，通过优化安卓设备的待机流程，将LCD背光关闭的时间提前，从而快速响应用户的待机按键操作，提高人机交互体验。同时，使LCD模块与内存模块保持通电下的待机状态，以分别保留当前LCD模块内的数据与当前内存模块内的数据，从而减少了将数据拷贝至磁盘上的时间，提高了安卓设备的待机速度以及用户使用体验。
参照图5，图5为本发明安卓设备的唤醒装置一实施例的功能模块示意图。本实施例中，基于上述实施例中待机状态下的安卓设备的唤醒装置包括：
CPU唤醒模块210，用于当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
本实施例中，根据硬件功能，可将安卓设备划分为多个硬件模块，比如CPU模块、LCD模块、内存模块、触摸屏模块、音频输入输出模块等。其中，CPU模块用于处理安卓设备内的其他硬件模块的数据运算、指令（命令）执行等，因此，在唤醒除CPU模块以外的其他硬件模块时，CPU唤醒模块210需要通过CPU模块处理唤醒其他硬件模块的各种处理操作。在安卓系统中，CPU模块可以通过硬件中断的方式被唤醒并开启CPU时钟。
此外，需要进一步说明的是，在安卓系统中，唤醒安卓设备内各硬件模块的方式有两种：一是通过广播消息的方式唤醒；二是通过Wake Lock机制唤醒。其中，对于用户的唤醒按键操作一般采用通过广播消息的方式，而对于应用程序的唤醒操作一般采用Wake Lock机制的方式，比如临时消息，系统通知等。本实施例中安卓设备的唤醒方式优选由用户通过相应按键触发，比如通过电源按键产生相应的唤醒信号，同时通过广播消息的方式以唤醒安卓设备内各硬件模块。
LCD唤醒模块220，用于唤醒处于通电待机状态的LCD模块并点亮LCD背光；
内存唤醒模块230，用于唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
现有安卓设备唤醒的时间较长，一般在1000毫秒到1500毫秒之间，而唤醒流程中比较耗时的地方有两处：第一处是安卓系统响应了用户按键后，会先初始化内存，并从磁盘上将待机时保存的大量系统数据拷贝至内存，这一操作会耗时600毫秒左右；第二处是在唤醒流程的后续，安卓系统会初始化液晶显示屏LCD，最后再打开LCD背光，这一操作会耗时至少300毫秒。因此，为快速唤醒安卓设备，也即需要重点解决如何缩短上述两处的耗时操作。本实施例中，为快速唤醒安卓设备，优选在对安卓设备进行待机处理时，LCD唤醒模块220通过控制LCD模块保持通电待机状态，以保留LCD模块内的数据不会被清除或丢失，进而在唤醒内存模块时，省略对LCD模块进行初始化的处理过程以缩短安卓设备的整个唤醒时长；同时，内存唤醒模块230通过控制内存进入低功耗的自刷新模式并保持内存模块处于通电待机状态，从而保留内存模块内的数据不会被清除或丢失，进而在唤醒内存模块时，省略对内存模块进行初始化的处理过程以缩短安卓设备的整个唤醒时长。
其他硬件唤醒模块240，用于唤醒安卓设备内的第二相关硬件模块；
CPU时钟频率恢复模块250，用于当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
本实施例中，第二相关硬件模块是指除CPU模块、LCD模块及内存模块以外的安卓设备内的其他硬件模块，比如触摸屏模块、音频输入输出模块等。而第一相关硬件模块是指除CPU模块以外的安卓设备内的其他硬件模块。当安卓设备内的第一相关硬件模块均恢复正常工作状态后，CPU时钟频率恢复模块250将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行。由于CPU时钟频率一般都是在额定频率下工作，因此，需要将CPU时钟频率恢复为正常工作状态下的额定频率，其中，预设频率优选为额定频率。
本实施例中，鉴于当前安卓设备的唤醒流程中，一般将打开LCD背光的时间放置在其他硬件模块处理的后面，因此，由于其他硬件模块较长的唤醒处理时长，从而导致用户误以为安卓设备并没有及时响应用户的按键操作，从而影响用户体验。
因此，可选的，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。其中，在进行LCD模块的唤醒处理时，首先打开LCD背光，也即将打开LCD背光的处理提前到最前面，也即打开LCD背光的时间早于或等于处理安卓设备内其他各硬件模块的时间，从而当用户按下唤醒按键操作后，用户即可立刻感觉到安卓设备响应了用户的唤醒按键操作，从而提高了用户的使用体验。其中，处理具体是指硬件模块的唤醒处理。
本实施例中，通过优化安卓设备的唤醒流程，将LCD背光点亮的时间提前，从而快速响应用户的唤醒按键操作，提高人机交互体验。同时，由于安卓设备待机时保留了当前LCD模块内的数据与当前内存模块内的数据，因而在唤醒LCD模块与内存模块时，可以省略初始化LCD模块与内存模块的时间，从而大大提高了唤醒安卓设备的速度，进而提高用户使用体验。
参照图6，图6为本发明安卓设备的唤醒装置另一实施例的功能模块示意图。基于上述实施例，本实施例中，安卓设备的唤醒装置还包括：
时钟频率提高模块260，用于在预设时间内，将内存时钟频率和/或CPU时钟频率分别对应提高至内存时钟频率的上限值和/或CPU时钟频率的上限值。
由于内存时钟频率与CPU时钟频率的高低在一定程度上决定了安卓系统对于系统内各种数据、指令等的处理速度，因此，时钟频率提高模块260只要提高内存时钟频率，或者提高CPU时钟频率，或者提高内存时钟频率与CPU时钟频率，都可提升内存的数据处理速度和/或提升CPU的数据与指令处理速度，进而相应提升安卓设备的唤醒处理速率。
本实施例中，在唤醒了CPU模块和/或内存模块后，时钟频率提高模块260相应根据预设的频率提高规则，分别对应提高内存时钟频率和/或CPU时钟频率，以加快安卓系统的数据处理速度，进而一定程度上提高对硬件模块的唤醒速度。也即在预设时间内，对内存时钟频率和/或CPU时钟频率进行超频处理，使其数据处理速度迅速提升，比如都提升到各自时钟频率的上限值。
此外，需进一步说明的是，对于CPU时钟频率的提高，既可以是在开启CPU时钟后进行提高，也可以是在CPU与内存都被唤醒之后再进行提高，具体根据实际需要进行设置。而对于内存时钟频率的提高，既可以是在开启内存时钟频率后进行提高，也可以是在CPU与内存都被唤醒之后再进行提高，具体根据实际需要进行设置。另外，在安卓设备内的第一相关硬件模块均恢复正常工作状态后，也可相应将内存时钟频率恢复到额定工作频率，具体如何恢复则根据实际需要进行设置。
相对上述实施例，本实施例中通过提升内存时钟频率和/或CPU时钟频率，从而加快了唤醒过程中的数据和指令的处理速度，进而进一步加快了对安卓设备的唤醒速度，如表1所示的安卓设备唤醒操作的耗时测试结果。按照本实施例中的安卓设备待机后的唤醒流程，从表1中可以计算出用户体验的待机唤醒时间= 按键响应时间 + CPU唤醒时间 + LCD背光开启时间 = 5.0ms + 1.5ms + 2.6ms = 9.1ms。也即在10毫秒以下，用户从按下唤醒按键，到LCD点亮并出现图像的时间不到10毫米，因而用户根本感觉不到唤醒过程中响应速度上的停顿，从而实现了安卓设备的瞬间唤醒，提高了用户使用体验。此外，需要说明的是，上述9.1ms仅仅只是用户所感觉上的唤醒时间，但实际上安卓设备的整个唤醒过程所消耗时间为35.9ms，但35.9ms也远远小于现有安卓设备的唤醒过程所消耗时间（1000ms-1500ms），而当用户感觉安卓设备已经被唤醒而进行触控操作时，此过程所需时间也远远大于26.8ms，因此，本实施例中，即使提前点亮LCD背光而让用户误认为安卓设备已经完全唤醒，也不会影响用户实际操作时的体验。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种安卓设备的待机方法，其特征在于，所述待机方法包括：
    当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
    当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
    当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
    当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
    当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。
  2. 如权利要求1所述的待机方法，其特征在于，所述安卓设备的待机触发方式为通过所述安卓设备的相应按键触发进入待机。
  3. 一种使用如权利要求1所述待机方法的安卓设备的唤醒方法，其特征在于，所述唤醒方法包括：
    当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
    唤醒处于通电待机状态的LCD模块并点亮LCD背光；
    唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
    唤醒安卓设备内的第二相关硬件模块；
    当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
  4. 如权利要求3所述的唤醒方法，其特征在于，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。
  5. 如权利要求3所述的唤醒方法，其特征在于，在唤醒内存模块之后，所述唤醒方法还包括：
    在预设时间内，将内存时钟频率提高至内存时钟频率的上限值。
  6. 如权利要求3所述的唤醒方法，其特征在于，在唤醒CPU模块之后，所述唤醒方法还包括：
    在预设时间内，将CPU时钟频率提高至CPU时钟频率的上限值。
  7. 如权利要求3所述的唤醒方法，其特征在于，在唤醒CPU模块和内存模块之后，所述唤醒方法还包括：
    在预设时间内，将内存时钟频率和CPU时钟频率分别对应提高至内存时钟频率的上限值和CPU时钟频率的上限值。
  8. 如权利要求4所述的唤醒方法，其特征在于，在唤醒内存模块之后，所述唤醒方法还包括：
    在预设时间内，将内存时钟频率提高至内存时钟频率的上限值。
  9. 如权利要求4所述的唤醒方法，其特征在于，在唤醒CPU模块之后，所述唤醒方法还包括：
    在预设时间内，将CPU时钟频率提高至CPU时钟频率的上限值。
  10. 如权利要求4所述的唤醒方法，其特征在于，在唤醒CPU模块和内存模块之后，所述唤醒方法还包括：
    在预设时间内，将内存时钟频率和CPU时钟频率分别对应提高至内存时钟频率的上限值和CPU时钟频率的上限值。
  11. 一种安卓设备的待机装置，其特征在于，所述待机装置包括：
    消息广播模块，用于当监测到待机信号时，向安卓设备内的第一相关硬件模块广播消息以通知所述第一相关硬件模块准备进入待机状态，所述第一相关硬件模块包括LCD模块、内存模块及第二相关硬件模块；
    LCD待机模块，用于当LCD模块接收到所述消息时，关闭LCD背光且保持LCD模块处于通电待机状态以保留当前LCD模块内的数据；
    内存待机模块，用于当内存模块接收到所述消息时，控制内存进入自刷新模式且保持内存模块处于通电待机状态以保留当前内存模块内的数据；
    其他硬件待机模块，用于当所述第二相关硬件模块接收到所述消息时，关闭所述第二相关硬件模块；
    CPU待机模块，用于当所述第一相关硬件模块均进入待机状态后，关闭CPU时钟以使CPU模块处于睡眠模式下的待机状态。
  12. 如权利要求11所述的待机装置，其特征在于，在对所述安卓设备内的硬件模块进行待机处理的顺序上，进行LCD模块的待机处理优先于进行内存模块与所述第二相关硬件模块的待机处理。
  13. 一种使用如权利要求11所述待机装置的安卓设备的唤醒装置，其特征在于，所述唤醒装置包括：
    CPU唤醒模块，用于当监测到唤醒信号时，唤醒CPU模块并开启CPU时钟；
    LCD唤醒模块，用于唤醒处于通电待机状态的LCD模块并点亮LCD背光；
    内存唤醒模块，用于唤醒处于通电待机状态的内存模块并使内存退出自刷新模式；
    其他硬件唤醒模块，用于唤醒安卓设备内的第二相关硬件模块；
    CPU时钟频率恢复模块，用于当安卓设备内的第一相关硬件模块均恢复正常工作状态后，将当前的CPU时钟频率恢复到预设频率以使安卓设备正常运行，所述第一相关硬件模块包括LCD模块、内存模块及所述第二相关硬件模块。
  14. 如权利要求13所述的唤醒装置，其特征在于，在对所述安卓设备内的硬件模块进行唤醒处理的顺序上，进行LCD模块的唤醒处理优先于进行内存模块与所述第二相关硬件模块的唤醒处理。
  15. 如权利要求13所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将内存时钟频率提高至内存时钟频率的上限值。
  16. 如权利要求13所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将CPU时钟频率提高至CPU时钟频率的上限值。
  17. 如权利要求13所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将内存时钟频率和CPU时钟频率分别对应提高至内存时钟频率的上限值和CPU时钟频率的上限值。
  18. 如权利要求14所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将内存时钟频率提高至内存时钟频率的上限值。
  19. 如权利要求14所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将CPU时钟频率提高至CPU时钟频率的上限值。
  20. 如权利要求14所述的唤醒装置，其特征在于，所述唤醒装置还包括：
    时钟频率提高模块，用于在预设时间内，将内存时钟频率和CPU时钟频率分别对应提高至内存时钟频率的上限值和CPU时钟频率的上限值。
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