CN112026788A - Vehicle machine power management method and device, electronic equipment and storage medium - Google Patents
Vehicle machine power management method and device, electronic equipment and storage medium Download PDFInfo
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- CN112026788A CN112026788A CN202010933831.XA CN202010933831A CN112026788A CN 112026788 A CN112026788 A CN 112026788A CN 202010933831 A CN202010933831 A CN 202010933831A CN 112026788 A CN112026788 A CN 112026788A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
Abstract
The application provides a vehicle machine power supply management method, which comprises the following steps: receiving a lower electric signal of the whole vehicle; and after waiting for the first preset time, executing the dormancy program to enable the car machine to enter a dormancy state after the program execution is finished, so that the car machine can be quickly started to a working state after the whole car is powered on, and the starting time of the car machine is shortened.
Description
Technical Field
The present disclosure relates to the field of power technologies, and in particular, to a vehicle power management method and apparatus, an electronic device, and a storage medium.
Background
The car machine is an interactive control device on the car, and can realize display, touch and voice interaction functions. In the prior art, when a vehicle is powered on, the starting speed of the vehicle machine is slow, and a display screen cannot work for a long time. In the existing improvement scheme, the problems of long starting time cannot be completely solved by methods such as door opening starting and unlocking starting, for example, when a person has a rest on a vehicle and the vehicle is powered on again, the vehicle starting time of a vehicle machine is still long, and the user experience is seriously influenced.
Disclosure of Invention
The embodiment of the application provides a vehicle machine power supply management method, which enables a vehicle machine to enter a dormant state after a whole vehicle is powered off, so that the vehicle machine can be quickly started to a working state after the whole vehicle is powered on, and the starting time of the vehicle machine is shortened.
The application provides a vehicle machine power supply management method, which comprises the following steps:
receiving a lower electric signal of the whole vehicle;
and after waiting for the first preset time, executing the sleep program to enable the vehicle machine to enter a sleep state after the program execution is finished.
In one embodiment, the executing the hibernation procedure includes:
stopping all processes;
freezing a user state process and a kernel state task;
calling a callback function of the suspend of the registered equipment;
and the core equipment is dormant, so that the CPU enters a dormant state.
In an embodiment, the method further comprises:
in the process of executing the dormancy program, receiving a power-on signal of the whole vehicle, and ending the dormancy program;
and restarting each process and awakening the vehicle machine.
In an embodiment, the method further comprises:
and continuously detecting the sleeping state of the vehicle machine within a second preset time after the sleeping program is executed, and judging whether the vehicle machine is successfully sleeped.
In an embodiment, after determining whether the sleep is successful, the method further includes:
and if the car machine is not successfully dormant, executing a shutdown program.
In an embodiment, the executing the hibernation program enables the car machine to enter a hibernation state after the program execution is finished, and the method further includes:
receiving a power-on signal of the whole vehicle;
sending a wake-up signal to the vehicle machine;
and if the awakening fails, restarting the vehicle machine.
In an embodiment, before restarting the car machine if the wake-up fails, the method further includes:
and when the sent awakening signal exceeds the preset times or the awakening time exceeds a third preset time, indicating that the awakening is failed.
On the other hand, this application still provides a car machine power management device, the device includes:
the signal receiving module is used for receiving the lower electric signal of the whole vehicle;
and the dormancy execution module is used for executing the dormancy program after waiting for the first preset time so that the vehicle machine enters a dormancy state after the program execution is finished.
Further, the present application also provides an electronic device, including:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to execute the car machine power management method provided by the embodiment of the application.
Further, the present application also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is executable by a processor to complete the car machine power management method provided in the embodiments of the present application.
According to the technical scheme provided by the embodiment of the application, the sleep program is executed after the first preset time is waited by receiving the power-off signal of the whole vehicle, so that the vehicle machine enters the sleep state after the program execution is finished, the vehicle machine can be quickly started to be in the working state after the whole vehicle is powered on, and the starting time of the vehicle machine is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly described below.
Fig. 1 is a schematic view of an application scenario of a car machine power management method according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a vehicle power management method according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a sleep process according to an embodiment of the present application;
fig. 4 is a schematic flowchart of an in-vehicle power management method after step S220 in the embodiment corresponding to fig. 2 according to an embodiment of the present application;
fig. 5 is a block diagram of a vehicle power management device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic view of an application scenario of a car machine power management method according to an embodiment of the present application. As shown in fig. 1, the application scenario includes: the vehicle 100 is completed. The entire vehicle 100 includes a vehicle machine 110 and a display 120. The in-vehicle unit 110 is connected to the display 120, and is a control device of the display 120. The car machine 110 may adopt the car machine power management method provided in the embodiment of the present application, so that the car machine 110 enters the sleep state after the entire car 100 is powered off, and thus the car machine 110 can be quickly started to the working state after the entire car 100 is powered on, and the start time of the car machine 110 is shortened.
The vehicle machine 110 may further include a master chip 111 and a power management system 112. The power management system 112 may adopt the car machine power management method provided in the embodiment of the present application, and implement power management on the car machine 110 by controlling the master chip 111, so as to shorten the start time of the car machine 110.
The application also provides an electronic device. The electronic device may be a power management system 112. The power management system 112 may include a processor 1121 and a memory 1122 for storing instructions executable by the processor 1121; the processor 1121 is configured to execute the onboard power management method provided by the present application.
The processor 1121 may be an integrated circuit chip having signal processing capabilities. The processor may be a general-purpose processor, and includes a Central processing unit (CPU, for short), a Network processor (NP, for short), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. Which may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The Memory 1122 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as a Static Random Access Memory (SRAM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), an Erasable Programmable Read-Only Memory (EPROM), a Programmable Read-Only Memory (PROM), a Read-Only Memory (ROM), a magnetic Memory, a flash Memory, a magnetic disk, or an optical disk.
The present application further provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program can be executed by the processor 1121 to complete the car machine power management method provided in the present application.
Fig. 2 is a schematic flow chart of a vehicle power management method according to an embodiment of the present application. As shown in fig. 2, the method comprises the following steps S210-S220.
Step S210: and receiving a lower electric signal of the whole vehicle.
When the whole vehicle finishes working, the key is powered ON, the power-off signal of the whole vehicle is received at the moment, and the vehicle stops shielding.
Step S220: and after waiting for the first preset time, executing the sleep program to enable the vehicle machine to enter a sleep state after the program execution is finished.
And in a short time after the whole vehicle is powered off, the whole vehicle is allowed to be powered on quickly, and the vehicle machine is still in a working state at the moment. Therefore, after waiting for the first preset time, the sleep program is executed, and the sleep program can enable the car machine to enter a sleep state after the program execution is finished. The sleep state is a state different from the working state and the shutdown state, when the vehicle machine is in the sleep state, the power consumption is low, but the vehicle machine can be quickly recovered to the working state by waking up.
According to the technical scheme provided by the embodiment of the application, the sleep program is executed after the first preset time is waited by receiving the power-off signal of the whole vehicle, so that the vehicle machine enters the sleep state after the program execution is finished, the vehicle machine can be quickly started to be in the working state after the whole vehicle is powered on, and the starting time of the vehicle machine is shortened.
In one embodiment, the execution of the hibernation procedure includes the following steps S310 to S340.
Step S310: all processes are stopped.
When the hibernation procedure is executed, all processes are first stopped. After the step is finished, the vehicle machine finishes the first-level dormancy. At the moment, the static power consumption of the vehicle machine is small, and if the whole vehicle is powered on after the vehicle machine is in the first-level dormancy, the vehicle machine can also respond quickly, and the starting time is short.
Step S320: user-mode processes and kernel-mode tasks are frozen.
And when the S310 is executed and the whole vehicle is not powered on, continuing to execute the sleep program, and freezing the user mode process and the kernel mode task.
Step S330: call callback function of suspend of registered device.
Step S340: and the core equipment is dormant, so that the CPU enters a dormant state.
After the execution of the sleep program is finished, the car machine enters a deep sleep state. In deep sleep, the static power consumption of the vehicle is very small, and the start time of the vehicle after being awakened is much shorter than that of the vehicle in the off state.
In an embodiment, the method further comprises: in the process of executing the dormancy program, receiving a power-on signal of the whole vehicle, and ending the dormancy program; and restarting each process and awakening the vehicle machine.
When the power-on signal of the whole vehicle is received in the process of executing the dormancy program, the dormancy program is directly ended, processes are restarted, and the vehicle machine is awakened, so that the vehicle machine is quickly recovered to a working state.
In an embodiment, the method further comprises: and continuously detecting the sleeping state of the vehicle machine within a second preset time after the sleeping program is executed, and judging whether the vehicle machine is successfully sleeped.
Under normal conditions, the sleep program is executed for a certain time and then is finished, and the vehicle machine successfully enters a sleep state. But the abnormal condition is not eliminated, so that the car machine can not sleep successfully. Therefore, the sleep state of the vehicle machine is continuously detected within a second preset time after the sleep program is executed. The second preset time may be greater than a time required for the car machine to normally sleep. In an embodiment, the detection of the sleep state of the vehicle device may be performed continuously, where the detection of the sleep pin of the vehicle device host chip may be performed at preset time intervals. When the sleep pin indicates that the sleep state is yes, the vehicle machine is successfully in sleep, and the detection of the sleep pin is stopped; and when the sleep pin indicates that the sleep state is yes, the vehicle machine does not sleep, the detection of the sleep pin is repeated next time until the second preset time is reached, and if the sleep pin indicates that the sleep state is still no, the vehicle machine sleep failure is indicated.
In an embodiment, after determining whether the sleep is successful, the method further includes: and if the car machine is not successfully dormant, executing a shutdown program.
If the dormancy is unsuccessful, the shutdown program is directly executed, and the vehicle machine is shut down, so that the overlarge power consumption is avoided.
In an embodiment, after step S220, the method further comprises the following steps S410-S430.
Step S410: and receiving a power-on signal of the whole vehicle.
When the key is powered ON, a power-ON signal of the whole vehicle is received.
Step S420: and sending a wake-up signal to the vehicle machine.
And sending a wake-up signal to the vehicle machine after the whole vehicle is powered on.
Step S430: and if the awakening fails, restarting the vehicle machine.
After the wake-up signal is sent, the sleeping state of the car machine can be detected by detecting the sleeping pin of the car machine main chip. If the vehicle machine is always in the dormant state, the awakening is failed, and the vehicle machine is restarted at the moment.
In an embodiment, before step S430, the method further includes:
and when the sent awakening signal exceeds the preset times or the awakening time exceeds a third preset time, indicating that the awakening is failed.
It may be arranged to repeatedly send the wake-up signal a number of times, or to set the longest wake-up time. And when the sent awakening signal exceeds the preset times or the awakening time exceeds a third preset time, indicating that the awakening is failed.
In one embodiment, when the whole vehicle is powered off, the vehicle machine is also powered off and shut down.
The following is an embodiment of an apparatus of the present application, which may be used to implement the embodiment of the car machine power management method of the present application. For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the car machine power management method of the present application.
Fig. 5 is a block diagram of a vehicle power management apparatus according to an embodiment of the present invention. As shown in fig. 5, the apparatus includes: a signal receiving module 510 and a sleep execution module 520.
The signal receiving module 510 is used for receiving the power-off signal of the whole vehicle;
the sleep execution module 520 is configured to execute a sleep program after waiting for a first preset time, so that the vehicle device enters a sleep state after the program execution is finished.
The implementation processes of the functions and actions of each module in the device are specifically described in the implementation processes of the corresponding steps in the vehicle power management method, and are not described herein again.
In the embodiments provided in the present application, the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (10)
1. A vehicle machine power supply management method is characterized by comprising the following steps:
receiving a lower electric signal of the whole vehicle;
and after waiting for the first preset time, executing the sleep program to enable the vehicle machine to enter a sleep state after the program execution is finished.
2. The vehicle-mounted machine power management method according to claim 1, wherein the executing the hibernation program comprises:
stopping all processes;
freezing a user state process and a kernel state task;
calling a callback function of the suspend of the registered equipment;
and the core equipment is dormant, so that the CPU enters a dormant state.
3. The vehicle machine power management method according to claim 1, further comprising:
in the process of executing the dormancy program, receiving a power-on signal of the whole vehicle, and ending the dormancy program;
and restarting each process and awakening the vehicle machine.
4. The vehicle machine power management method according to claim 1, further comprising:
and continuously detecting the sleeping state of the vehicle machine within a second preset time after the sleeping program is executed, and judging whether the vehicle machine is successfully sleeped.
5. The vehicle-mounted machine power management method according to claim 4, wherein after determining whether the sleep is successful, the method further comprises:
and if the car machine is not successfully dormant, executing a shutdown program.
6. The vehicle-mounted device power management method according to claim 1, wherein the execution of the hibernation program causes the vehicle-mounted device to enter a hibernation state after the program execution is completed, the method further comprising:
receiving a power-on signal of the whole vehicle;
sending a wake-up signal to the vehicle machine;
and if the awakening fails, restarting the vehicle machine.
7. The vehicle machine power management method according to claim 6, wherein before restarting the vehicle machine if the wake-up fails, the method further comprises:
and when the sent awakening signal exceeds the preset times or the awakening time exceeds a third preset time, indicating that the awakening is failed.
8. The utility model provides a car machine power management device which characterized in that, the device includes:
the signal receiving module is used for receiving the lower electric signal of the whole vehicle;
and the dormancy execution module is used for executing the dormancy program after waiting for the first preset time so that the vehicle machine enters a dormancy state after the program execution is finished.
9. An electronic device, characterized in that the electronic device comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute the in-vehicle power management method of any one of claims 1 to 7.
10. A computer-readable storage medium, wherein the storage medium stores a computer program, and the computer program is executable by a processor to perform the car machine power management method according to any one of claims 1 to 7.
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| CN202010933831.XA CN112026788A (en) | 2020-09-07 | 2020-09-07 | Vehicle machine power management method and device, electronic equipment and storage medium |
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| CN202010933831.XA CN112026788A (en) | 2020-09-07 | 2020-09-07 | Vehicle machine power management method and device, electronic equipment and storage medium |
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Application publication date: 20201204 |