CN108833981B - Startup and shutdown method - Google Patents
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- CN108833981B CN108833981B CN201810654542.9A CN201810654542A CN108833981B CN 108833981 B CN108833981 B CN 108833981B CN 201810654542 A CN201810654542 A CN 201810654542A CN 108833981 B CN108833981 B CN 108833981B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
Abstract
The invention provides a method and a device for powering on and powering off, relates to the field of intelligent terminals, and shortens the time consumed by powering off by reducing the step of synchronizing the state of an external device by a kernel and an application program in the process of powering off. The method comprises the following steps: under the condition of receiving a shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program; under the condition of receiving a starting instruction, starting and detecting the external equipment by the kernel, sending a reloading message to the application program by the kernel, and updating the stored information of the external equipment by the application program according to the reloading message; the reload message includes a mount path of the external device.
Description
The application is a divisional application of Chinese patent application 201510497949.1 entitled "a method and a device for startup and shutdown" filed on 13.08.2015.
Technical Field
The invention relates to the field of intelligent terminals, in particular to a startup and shutdown method and device.
Background
With the rapid development of the smart television industry, the on-off speed also attracts more and more attention of users. The general smart television has two on-off modes, one mode is shutdown triggered by a power supply on a smart television main body, and all modules in the smart television are powered off at the moment; the other mode is shutdown triggered by pressing a power button in the remote controller, at the moment, other modules except the memory and the main chip in the intelligent television are powered off, and the memory and the main chip are in a low-electricity operation mode.
The process of turning on and off the device triggered by the power button in the remote controller generally includes the following steps: when a user presses a power button on the remote controller to shut down, the kernel informs all application programs of powering off the external equipment after receiving a signal sent by the remote controller, the application programs perform respective related processing according to the power-off state of the external equipment, and the kernel stores data in the memory after the processing of all the application programs is completed; when a user presses a power button on the remote controller to start up, the kernel detects the accessed external equipment after receiving a signal sent by the remote controller, recovers the memory data, sends the state information of the external equipment to the application programs, and each application program updates and executes corresponding processing according to the power-on state of the external equipment.
In the process of implementing the above-mentioned triggering of the on/off operation through the power button in the remote controller, the inventor finds that at least the following problems exist in the prior art: whether the external device is powered off or powered on, the state of the external device needs to be synchronized to the application program. Especially, in the shutdown process, the application program modifies the data in the memory according to the change of the state of the external device, and in order to ensure the correctness of the stored memory data during shutdown, the data in the memory can be stored only after the application program completely synchronizes with the change of the external device, so that shutdown is completed. This can make the shutdown time longer as the number of applications associated with the external device increases.
Disclosure of Invention
The embodiment of the invention provides a method and a device for powering on and powering off, which shorten the time consumed by powering off by reducing the step of synchronizing the states of an external device by a kernel and an application program in the process of powering off.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for powering on and powering off, including:
under the condition of receiving a shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program;
under the condition of receiving a starting instruction, starting and detecting the external equipment by the kernel, sending a reloading message to the application program by the kernel, and updating the stored information of the external equipment by the application program according to the reloading message; the reload message includes a mount path of the external device.
In a second aspect, an embodiment of the present invention provides an intelligent device, including:
the instruction receiving module is used for receiving a shutdown instruction and a startup instruction;
the kernel is used for disconnecting the connection with the external equipment and interrupting the interaction with the application program module under the condition that the instruction receiving module receives the shutdown instruction;
the kernel is also used for starting and detecting the external equipment and sending a reload message to the application program module under the condition that the instruction receiving module receives the starting instruction;
the application program module is used for updating the stored information of the external equipment according to the reloading message; the reload message includes a mount path of the external device.
The embodiment of the invention provides a startup and shutdown method and a startup and shutdown device, wherein the method comprises the following steps: under the condition of receiving a shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program; under the condition of receiving a starting instruction, starting and detecting hardware equipment by a kernel, sending a reload message to an application program by the kernel, and updating the stored information of the external equipment by the application program according to the reload message; the reload message includes a mount path of the external device. Therefore, when the external device is quickly started, the trigger application program is updated to update the relevant information of the external device, the process that the state of the external device needs to be synchronized between the kernel and the application program in the shutdown process is broken, finally, steps in the shutdown process are simplified under the condition that the startup step is not added, and the time consumed for shutdown in the shutdown process is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a power on/off method according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of another power on/off method according to an embodiment of the present invention;
fig. 3 is a functional schematic diagram of an intelligent device according to an embodiment of the present invention;
fig. 4 is a functional schematic diagram of another intelligent device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the execution main body of the methods in the first and second embodiments may be any intelligent terminal that can be connected to an external device and has a fast power on/off mode, and may be a smart television, a computer, or a smart sound box. The invention is not limited in this regard.
Example one
The embodiment of the invention provides a startup and shutdown method. As shown in fig. 1, includes:
101. and under the condition of receiving the shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program.
It should be noted that the shutdown instruction is an instruction instructing the kernel to control the power off of the other parts except the memory and the main chip.
Specifically, under the condition that the smart television is in normal operation, a user presses a power button on the remote controller, the remote controller sends out a signal, the smart television receives the signal sent out by the remote controller, generates a shutdown instruction according to the current operation state of the smart television, and sends the shutdown instruction to the kernel. The kernel controls all modules except the memory and the main chip to be powered off. Before the external device is powered off, an external device removing message is sent to the kernel, and after the kernel receives the external device removing message, the kernel informs the driving module to delete the driving information corresponding to the external device, interrupts the interaction with the application program, and does not synchronize the external device removing state with the application program, so that the application program is prevented from performing relevant processing according to the external device removing state.
It should be noted that, under the condition of fast shutdown, the kernel does not need to synchronize the external device state stored in the application program with the actual state of the external device perceived by the kernel, that is, although the kernel receives the external device removal message, the kernel does not notify the application program of the information of removing the external device, and the related data of the external device stored by the application program after fast shutdown is still stored according to the state of being inserted into the external device.
102. And under the condition of receiving a starting instruction, the kernel starts and detects the hardware equipment, the kernel sends a reload message to the application program, and the application program updates the stored information of the external equipment according to the reload message.
Wherein, the reload message comprises a mount path of the external device.
It should be noted that the information of the external device that the application program has stored is related to the external device that the application program acquires before the external device is turned off and after the external device is inserted, and the information may include: an external device identifier, an external device driver loading path, and the like.
It should be noted that, after the fast shutdown, the memory and the main chip of the smart television operate in a low power state, and at this time, the smart television can still receive a signal triggering the startup sent by the remote controller.
It should be noted that, when the smart television is rapidly turned off, the driver of the external device is unloaded, and when the smart television is rapidly turned on, the driver of the external device is reloaded. When the driver of the external device is reloaded, the loading path is different from the loading path of the driver before shutdown, and the application program does not modify the relevant information of the external device during fast shutdown, so that after fast startup, the application program needs to update the relevant information of the external device stored by the application program.
Specifically, when the smart television is in a standby state after being rapidly turned off, a user presses a power button on the remote controller, the remote controller sends out a signal, the smart television receives the signal sent by the remote controller, generates a power-on instruction according to the current running state of the smart television, and sends the power-on instruction to the kernel. The kernel controls all modules to be powered on. After the external device is powered on, the external device connection message is sent to the kernel, after the kernel receives the external device connection message, the kernel informs the driver module to load the driver information corresponding to the external device, the driver module loads the driver program corresponding to the external device, and then the kernel informs the application program to update the related information of the external device stored in the application program.
Further, the sending, by the kernel, the reload message to the application program may specifically be:
the kernel sends a hardware reloading event to a VOLD (Volume Daemon) module; the VOLD module sends a hardware reconnection message to a Mountservice (Chinese full name: mounting service) module according to the hardware reloading event; and the MountService module sends a reload message to the application program according to the hardware reconnection message.
It should be noted that the VOLD module is a daemon process of a storage class in the android system, and is mainly responsible for a task of mounting/uninstalling a mass storage device by the system. The MountService module is a service class, which is equivalent to an intermediate bridge and is responsible for receiving the messages of the Vold module and transmitting the messages to the upper application program.
It should be noted that the method for the kernel to transmit the reload message to the application program through the VOLD module and the MountService module is only a method for the kernel to transmit the message to the application program, and the method for the kernel to transmit the reload message to the application program may be any method in the prior art in which the kernel can transmit the message to the application program.
It should be noted that the interval between step 102 and step 103 may be several minutes, several hours, or several days, which is not limited in the present invention.
The power on/off method provided by the embodiment of the invention comprises the following steps: under the condition of receiving a shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program; under the condition of receiving a starting instruction, starting and detecting hardware equipment by a kernel, sending a reload message to an application program by the kernel, and updating the stored information of the external equipment by the application program according to the reload message; the reload message includes a mount path of the external device. Therefore, when the external device is quickly started, the trigger application program is updated to update the relevant information of the external device, the process that the state of the external device needs to be synchronized between the kernel and the application program in the shutdown process is broken, finally, the steps in the quick shutdown process are simplified under the condition that the startup step is not added, and the time consumed for shutdown in the quick shutdown process is shortened.
Example two
The embodiment of the invention provides a startup and shutdown method. As shown in fig. 2, a part (including step 201 and step 203) in fig. 2 represents an interaction diagram between modules in the smart television when the smart television is rapidly turned off, and a part b (including step 204 and step 212) in fig. 2 represents an interaction diagram between modules in the smart television when the smart television is rapidly turned on, and as shown in the reference diagram, the method includes:
201. the kernel acquires a shutdown instruction and controls all modules except the memory and the main chip to be powered off.
202. And the external equipment is powered off, an external equipment removing message is sent to the kernel, and the kernel receives the external equipment removing message.
203. And the kernel informs the driver module to delete the driver information corresponding to the external device, and the driver module unloads the driver corresponding to the external device.
204. The kernel obtains a starting instruction, and the kernel controls all the modules to be powered on and detects hardware equipment.
205. After the external equipment is powered on, the external equipment connection message is sent to the kernel, and the kernel receives the external equipment connection message.
206. The kernel informs the driver module to load the driver information corresponding to the external device, and the driver module loads the driver corresponding to the external device.
207. The kernel sends a hardware reload event to the VOLD module.
208. And the VOLD module sends a hardware reconnection message to the Mountservice module according to the hardware reloading event.
209. And the MountService module sends a reloading message to all the application programs which are registered in the MountService module and are related to the external equipment according to the hardware reconnection message.
It should be noted that, before the smart tv is quickly turned off, the application program may register the external device associated with the application program with the mount service module. The MountService module can determine which applications have associated the external device in step 209.
210. The application program determines whether the external device information is stored.
211. And under the condition that the external equipment information is stored in the application program, the application program updates the stored external equipment information according to the reloading message.
212. And under the condition that the application program does not store the information of the external equipment, the application program stores the reload message.
It should be noted that, if a new external device is connected to the smart television after the fast shutdown and before the fast startup, after the fast startup, the corresponding application program may register its associated new external device with the mount service module, but at this time, the application program does not yet store related information about the external device, so that after receiving the reload message, the application program directly stores the related message carried in the reload message, and further has the application program to execute related logic.
In the power on/off method provided by the embodiment of the invention, in the process of fast power off, the kernel is disconnected from the external device, and the disconnection state of the external device is not synchronized to the application program; in the process of quick startup, the kernel starts and detects hardware equipment, the kernel sends a reload message to the application program, and the application program updates the stored information of the external equipment according to the reload message; the reload message includes a mount path of the external device. Therefore, when the external device is quickly started, the trigger application program is updated to update the relevant information of the external device, the process that the state of the external device needs to be synchronized between the kernel and the application program in the shutdown process is broken, finally, the steps in the quick shutdown process are simplified under the condition that the startup step is not added, and the time consumed for shutdown in the quick shutdown process is shortened.
EXAMPLE III
Fig. 3 is a functional schematic diagram of an intelligent device according to an embodiment of the present invention. Referring to fig. 3, the smart device includes: an instruction receiving module 301, a kernel 302, and an application module 303.
The instruction receiving module 301 is configured to receive a shutdown instruction and a startup instruction;
the kernel 302 is configured to disconnect the external device and interrupt interaction with the application program module 303 when the instruction receiving module 301 receives a shutdown instruction;
the kernel 302 is further configured to start and detect an external device and send a reload message to the application module 303 when the instruction receiving module 301 receives a power-on instruction;
the application module 303 is configured to update the stored external device information according to the reload message; the reload message includes a mount path of the external device.
Further, in order to implement the kernel 302 sending the reload message to the application module 303, as shown in fig. 4, the smart device further includes: VOLD module 304 and mount service module 305;
correspondingly, the kernel 302 is specifically configured to send a hardware reload event to the VOLD module 304;
the VOLD module 304 is configured to send a hardware reconnection message to the mount service module 305 according to the hardware reload event;
the MountService module 305 is configured to send a reload message to the application module 303 according to the hardware reconnect message.
Further, the application module 303 is further configured to register, with the mount service module 305, an external device associated with the application module 303;
the MountService module 305 is specifically configured to send a reload message to all application program modules 303 associated with the external device registered in the MountService module 305 according to the hardware reconnection message.
Further, the application module 303 is further configured to determine whether the external device information is stored;
the application module 303 is specifically configured to, when the external device information is stored in the application module 303, update the stored external device information according to the reload message.
Alternatively, the application module 303 is further configured to store the reload message in the case that the application module 303 does not store the external device information.
In the intelligent device provided by the embodiment of the invention, the kernel disconnects the external device and interrupts the interaction with the application program module under the condition that the instruction receiving module receives a shutdown instruction, starts and detects the external device under the condition that the instruction receiving module receives the startup instruction, and sends a reload message to the application program module; the application program module updates the stored information of the external equipment according to the reloading message; the reload message includes a mount path of the external device. Therefore, when the external device is quickly started, the trigger application program is updated to update the relevant information of the external device, the process that the state of the external device needs to be synchronized between the kernel and the application program in the shutdown process is broken, finally, steps in the shutdown process are simplified under the condition that the startup step is not added, and the time consumed for shutdown in the shutdown process is shortened.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A method for powering on and powering off, comprising:
under the condition of receiving a shutdown instruction, the kernel disconnects the connection with the external equipment and interrupts the interaction with the application program; the shutdown instruction is an instruction for instructing the kernel to control the power-off of other parts except the memory and the main chip; after the shutdown instruction is executed, the memory and the main chip work in a low-power state;
under the condition of receiving a starting-up instruction, the kernel starts and detects the external equipment, the kernel sends a reloading message to the application program, and the application program updates the stored information of the external equipment according to the reloading message; the reloading message comprises a mounting path of the external equipment;
the stored external device information refers to the relevant information of the external device acquired by the application program before shutdown and after the external device is inserted, and the information includes: an external device identifier and an external device driver loading path.
2. The method of claim 1, wherein the kernel sending a reload message to the application comprises:
the kernel sends a hardware reloading event to the VOLD module of the volume daemon;
the VOLD module sends a hardware reconnection message to a mount service MountService module according to the hardware reloading event;
and the MountService module sends a reload message to the application program according to the hardware reconnection message.
3. The method of claim 2, prior to the receiving a shutdown instruction, further comprising:
the application program registers the external equipment related to the application program to the MountService module;
the sending, by the mount service module, the reload message to the application program according to the hardware reconnection message includes:
and the MountService module sends the reloading message to all application programs which are registered in the MountService module and are related to the external equipment according to the hardware reconnection message.
4. The method according to claim 1, wherein after the kernel sends the reload message to the application program, before the application program updates the stored external device information according to the reload message, the method further comprises:
the application program determines whether the external equipment information is stored or not;
the step of updating the stored external device information by the application program according to the reload message comprises the following steps:
and under the condition that the external equipment information is stored in the application program, the application program updates the stored external equipment information according to the reloading message.
5. The method of claim 4, further comprising:
and under the condition that the application program does not store the information of the external equipment, the application program stores the reloading message.
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| CN201810654542.9A CN108833981B (en) | 2015-08-13 | 2015-08-13 | Startup and shutdown method |
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| CN201810654542.9A CN108833981B (en) | 2015-08-13 | 2015-08-13 | Startup and shutdown method |
| CN201510497949.1A CN105049936B (en) | 2015-08-13 | 2015-08-13 | A kind of method and device of switching on and shutting down |
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| CN201510497949.1A Division CN105049936B (en) | 2015-08-13 | 2015-08-13 | A kind of method and device of switching on and shutting down |
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| CN108833981A CN108833981A (en) | 2018-11-16 |
| CN108833981B true CN108833981B (en) | 2020-09-01 |
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| CN108833669A (en) * | 2018-04-27 | 2018-11-16 | Oppo广东移动通信有限公司 | Closedown method and Related product |
| CN108833668B (en) * | 2018-04-27 | 2020-12-15 | Oppo广东移动通信有限公司 | Shutdown method and related product |
| CN108958811A (en) * | 2018-05-23 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of closedown method, device, equipment and computer readable storage medium |
| CN110365839B (en) * | 2019-07-04 | 2020-08-28 | Oppo广东移动通信有限公司 | Shutdown method, shutdown device, shutdown medium and electronic equipment |
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Also Published As
| Publication number | Publication date |
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| CN105049936B (en) | 2018-09-18 |
| CN105049936A (en) | 2015-11-11 |
| CN108833981A (en) | 2018-11-16 |
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