CN112793420A - Vehicle combination instrument initialization method, device, equipment and storage medium - Google Patents
Vehicle combination instrument initialization method, device, equipment and storage medium Download PDFInfo
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- CN112793420A CN112793420A CN202110054379.4A CN202110054379A CN112793420A CN 112793420 A CN112793420 A CN 112793420A CN 202110054379 A CN202110054379 A CN 202110054379A CN 112793420 A CN112793420 A CN 112793420A
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- 238000011423 initialization method Methods 0.000 title claims abstract description 15
- 230000002159 abnormal effect Effects 0.000 claims abstract description 39
- 238000004590 computer program Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 19
- 230000006870 function Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/80—Arrangements for controlling instruments
- B60K35/81—Arrangements for controlling instruments for controlling displays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
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Abstract
The invention discloses a vehicle combination meter initialization method, a device, equipment and a storage medium, wherein the method comprises the following steps: when the vehicle is powered on, continuously collecting voltage signals, closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identification of each timer; after the interrupt state identifiers of all the timers are cleared, initializing the timers; after all the timers are initialized, judging whether the voltage signals are normal or not, and if so, controlling the combination instrument to perform self-checking operation and then starting normal work; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode. By implementing the embodiment of the invention, the problem of black screen during power-on initialization of the vehicle combination instrument can be solved.
Description
Technical Field
The present invention relates to the field of vehicle combination instruments, and in particular, to a method, an apparatus, a device and a storage medium for initializing a vehicle combination instrument
Background
When the electric lock of the existing vehicle combination instrument is electrified to an ON gear, the phenomenon of instrument black screen sometimes occurs, because the vehicle combination instrument has an instrument under-voltage/over-voltage protection function, the power consumption of the whole vehicle is rapidly increased at the moment of electrifying the vehicle to cause the voltage to be pulled down, the over-voltage protection function of the combination instrument is triggered, the initialization operation of the timer can be caused at the moment, and after the voltage is normal, the initialization operation of each timer is carried out at the moment, the timer can be interrupted at the moment, and the condition that the operation program cannot be normally interrupted due to false interruption and then the instrument works can be caused.
Disclosure of Invention
The embodiment of the invention provides a vehicle combination instrument initialization method, device, equipment and storage medium, which can solve the problem of black screen during power-on initialization of a vehicle combination instrument.
The embodiment of the invention provides a method for initializing a combination meter, which comprises the following steps: when the vehicle is powered on, continuously collecting voltage signals, closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identification of each timer;
after the interrupt state identifiers of all the timers are cleared, initializing the timers;
after all the timers are initialized, judging whether the voltage signals are normal or not, and if so, controlling the combination instrument to perform self-checking operation and then starting normal work; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
Further, if the abnormal voltage signal is continuously acquired within the preset time, controlling the combination instrument to perform an abnormal voltage protection mode; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on.
Further, the preset duration is 2s, and the abnormal voltage signal includes an overvoltage signal and an undervoltage signal.
On the basis of the above method item embodiment, the present invention correspondingly provides an apparatus item embodiment:
the invention provides a vehicle combination instrument initialization device in another embodiment, which comprises a voltage acquisition module, a timer initialization module and a combination instrument control module;
the voltage acquisition module is used for continuously acquiring voltage signals when the vehicle is powered on;
the timer initialization module is used for closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identifier of each timer when the vehicle is powered on; after the interrupt state identifiers of all the timers are cleared, initializing the timers;
the combination instrument control module is used for judging whether the voltage signal is normal or not after all the timers are initialized, and if so, the combination instrument control module controls the combination instrument to start normal work after self-checking operation is executed; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
The system further comprises an abnormal protection module, wherein the abnormal protection module is used for controlling the combination instrument to carry out an abnormal voltage protection mode when an abnormal voltage signal is continuously acquired within a preset time length; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on.
On the basis of the embodiment of the method item, the invention correspondingly provides an embodiment of the equipment item;
in another embodiment of the present invention, there is provided a vehicle combination meter initialization device including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the vehicle combination meter initialization method according to any one of the present invention when executing the computer program.
On the basis of the above method item embodiments, the present invention correspondingly provides storage medium item embodiments;
another embodiment of the present invention provides a storage medium, where the storage medium includes a stored computer program, and when the computer program runs, the apparatus where the storage medium is located is controlled to execute the vehicle combination meter initialization method according to any one of the present invention.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a vehicle combination instrument initialization method, a device, equipment and a storage medium, wherein in the method, when a vehicle is electrified, voltage signals are continuously collected, the interrupt enable of each timer in the combination instrument is closed, and the interrupt state identification of each timer is cleared; after the interrupt state identifiers of all the timers are cleared, initializing the timers; and after all the timers are initialized, judging whether the voltage signals at the moment are normal or not, if so, controlling the combination instrument to perform self-checking operation and then start normal work to complete the initialization of the instrument, and if not, controlling the combination instrument to perform self-checking operation and enter an abnormal voltage protection mode. The interrupt enable and interrupt state identification of the timer are clear when the vehicle instrument is powered on, so that the condition of false interrupt of the timer is prevented, and the abnormal condition of the conventional vehicle instrument during power-on initialization is solved.
Drawings
Fig. 1 is a flowchart illustrating a method for initializing a vehicle combination meter according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an initialization apparatus for a vehicle combination meter 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.
As shown in fig. 1, an embodiment of the present invention provides a vehicle combination meter initialization method, including:
and S101, continuously collecting voltage signals when the vehicle is electrified, closing the interrupt enable of each timer in the combination instrument, clearing the interrupt state identification of each timer, and initializing each timer after the interrupt state identification of all timers are cleared.
Step S102, after all the timers are initialized, judging whether the voltage signals at the moment are normal or not, if so, controlling the combination instrument to execute self-checking operation and then starting normal work; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
For step S101, when the combination meter is in a working state of normal voltage, IGN is powered off, and the meter is in a low-power consumption dormant state; the ING is electrified again, the voltage signals are continuously collected at the moment, and meanwhile before the electrification execution electrification module initializes the timer, the interruption enabling of each timer in the combination instrument is closed and the interruption state identification of each timer is cleared; after the interrupt state identifiers of all the timers are cleared, initializing the timers; therefore, the problem that the subsequent timer is abnormally interrupted to generate false interruption is avoided, and the phenomenon of screen blacking is further caused.
And S102, after the initialization of the timer is finished, judging whether the voltage is normal at the moment, if so, starting normal work of the combination meter after self-checking, and finishing the initialization of the combination meter. And if the voltage is abnormal, the meter self-checks and collects abnormal voltage at the same time, the combination meter is controlled to enter an abnormal voltage inclusion mode, and abnormal voltage protection processing is carried out. The abnormal voltage signal comprises an overvoltage signal and an undervoltage signal.
In a preferred embodiment, the method further comprises the step of controlling the combination meter to perform an abnormal voltage protection mode if the abnormal voltage signal is continuously acquired within a preset time period; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on. The embodiment changes the condition that the original combination instrument enters into abnormal voltage protection, in the prior art, the filtering time of power detection in the under-voltage and over-voltage protection function of the combination instrument is generally set to be 20ms, the power consumption of the whole vehicle is instantly increased at the moment of power-on to cause the voltage to be pulled down, the voltage of the whole vehicle is about 1s, namely, the voltage is continuously abnormal within 1s after the power-on, if the filtering time of power detection in the under-voltage and over-voltage protection function of the combination instrument in the prior art is 20ms, the combination instrument enters into an abnormal voltage protection mode after the power-on to cause the initialization of a timer, then the voltage of 1s is recovered to be normal, and the timer enters into one-time initialization at the moment, so that the abnormal interruption of the timer can be possibly caused, and the normal. Therefore, the preset duration of the abnormal voltage protection mode is set to be longer than the duration of the voltage being pulled down when the vehicle is electrified. This prevents the above phenomenon from occurring, and the preset time period of priority may be set to 2 s. The black screen problem is thus solved by modifying the condition (i.e., duration) of entering the abnormal voltage protection mode.
As shown in fig. 2, the present invention provides an embodiment of an apparatus corresponding to the embodiment of the method;
the invention provides a vehicle combination meter initialization device, which comprises a voltage acquisition module, a timer initialization module and a combination meter control module, wherein the timer initialization module is used for acquiring a time sequence of a vehicle combination meter; the voltage acquisition module is used for continuously acquiring voltage signals when the vehicle is powered on; the timer initialization module is used for closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identifier of each timer when the vehicle is powered on; after the interrupt state identifiers of all the timers are cleared, initializing the timers; the combination instrument control module is used for judging whether the voltage signal is normal or not after all the timers are initialized, and if so, the combination instrument control module controls the combination instrument to start normal work after self-checking operation is executed; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
In a preferred embodiment, the system further comprises an abnormal protection module, wherein the abnormal protection module is used for controlling the combination meter to perform an abnormal voltage protection mode when an abnormal voltage signal is continuously acquired within a preset time period; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on.
It should be noted that the above-mentioned embodiments of the apparatus correspond to the embodiments of the method of the present invention, and the vehicle combination meter initialization according to any one of the above-mentioned embodiments of the method of the present invention can be implemented. The above-described embodiments of the apparatus are merely illustrative, and 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
On the basis of the embodiment of the method item, the invention correspondingly provides an embodiment of the equipment item;
another embodiment of the present invention provides a vehicle combination meter initialization device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, the vehicle combination meter initialization device implements the vehicle combination meter initialization method according to any one of the above method embodiments of the present invention.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, 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, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor is a control center of the vehicle combination meter initializing device, and various interfaces and lines are used to connect various parts of the entire vehicle combination meter initializing device.
The memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the vehicle combination meter initializing device/terminal apparatus by operating or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
On the basis of the above method item embodiment, the present invention provides a storage medium item embodiment, and another trial example of the present invention provides a storage medium, where the storage medium includes a stored computer program, and when the computer program runs, the apparatus where the storage medium is located is controlled to execute the vehicle combination meter initialization method according to any one of the above method item embodiments of the present invention.
The storage medium is a computer-readable storage medium, all or part of the processes in the method according to the embodiments of the present invention may be implemented by instructing related hardware through a computer program, where the computer program may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A vehicle combination meter initialization method, comprising:
when the vehicle is powered on, continuously collecting voltage signals, closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identification of each timer; after the interrupt state identifiers of all the timers are cleared, initializing the timers;
after all the timers are initialized, judging whether the voltage signals are normal or not, and if so, controlling the combination instrument to perform self-checking operation and then starting normal work; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
2. The vehicle combination meter initialization method according to claim 1, further comprising controlling the combination meter to perform an abnormal voltage protection mode if an abnormal voltage signal is continuously collected within a preset time period; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on.
3. The vehicle combination meter initialization method according to claim 2, wherein the preset time period is 2s, and the abnormal voltage signal includes an overvoltage signal and an undervoltage signal.
4. A vehicle combination meter initialization device is characterized by comprising a voltage acquisition module, a timer initialization module and a combination meter control module;
the voltage acquisition module is used for continuously acquiring voltage signals when the vehicle is powered on;
the timer initialization module is used for closing the interrupt enable of each timer in the combination instrument and clearing the interrupt state identifier of each timer when the vehicle is powered on; after the interrupt state identifiers of all the timers are cleared, initializing the timers;
the combination instrument control module is used for judging whether the voltage signal is normal or not after all the timers are initialized, and if so, the combination instrument control module controls the combination instrument to start normal work after self-checking operation is executed; if not, controlling the combination meter to execute self-checking operation and enter an abnormal voltage protection mode.
5. The vehicle combination meter initializing device according to claim 4, further comprising an abnormal protection module for controlling the combination meter to perform an abnormal voltage protection mode when an abnormal voltage signal is continuously collected within a preset time period; and the preset duration is longer than the duration of the voltage being pulled down when the vehicle is powered on.
6. A vehicle combination meter initialization device, characterized by comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the vehicle combination meter initialization method according to any one of claims 1 to 3 when executing the computer program.
7. A storage medium characterized in that the storage medium includes a stored computer program which, when executed, controls a device on which the storage medium is located to perform the vehicle combination meter initialization method according to any one of claims 1 to 3.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859868A (en) * | 2022-05-11 | 2022-08-05 | 中国第一汽车股份有限公司 | Offline configuration error-proofing processing method for passenger car combination instrument system |
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