CN111619484B - Control method, device and equipment for programming - Google Patents
Control method, device and equipment for programming Download PDFInfo
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- CN111619484B CN111619484B CN201910151277.7A CN201910151277A CN111619484B CN 111619484 B CN111619484 B CN 111619484B CN 201910151277 A CN201910151277 A CN 201910151277A CN 111619484 B CN111619484 B CN 111619484B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004590 computer program Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 10
- 238000004891 communication Methods 0.000 description 5
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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Abstract
The invention provides a control method, a device and equipment of a flash program, and relates to the technical field of vehicles, wherein the control method of the flash program comprises the following steps: when detecting that a first controller on a first bus is in a state of a program to be flashed, controlling the vehicle to be electrified at high voltage through a second controller on a second bus; when the vehicle is in a high-voltage power-on state, controlling the first controller in a state of a program to be flashed; and controlling the vehicle high voltage to be reduced when the first controller is detected to be in a state of finishing the flash program. According to the embodiment of the invention, when the first controller is in the state of the program to be refreshed, the second controller on the second bus controls the vehicle to be electrified at high voltage to charge the storage battery, so that the failure of the memory due to insufficient electric quantity of the storage battery in the process of the programming is avoided.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a method, a device and equipment for controlling a flash program.
Background
Along with the intelligent development of automobiles, the application degree of electronic modules and software technology on the whole automobile is higher and higher, more than 80 controllers of the whole automobile can be achieved, but except an intelligent driving controller and an entertainment controller, other controllers are derived and developed from the traditional automobile, but the traditional flashing mode is slow in flashing speed, communication among the controllers is not allowed during flashing, namely all functions cannot be started, the flashing time is long, and a storage battery of the whole automobile cannot support remote simultaneous upgrade of all the controllers of the whole automobile. Meanwhile, each user does not necessarily have a field charging device for the storage battery at any time.
Therefore, a method, an apparatus and a device for controlling a flash program are needed to enable a storage battery to sufficiently support remote upgrade of a controller and reduce power consumption.
Disclosure of Invention
The embodiment of the invention provides a method, a device and equipment for controlling a flash program, which are used for solving the problems that when the controller flashes the program, the flash rate is low, and a storage battery cannot support remote upgrading of a plurality of controllers.
In order to solve the above technical problem, an embodiment of the present invention provides a method for controlling a flash program, including:
when detecting that a first controller on a first bus is in a state of a program to be flashed, controlling the vehicle to be electrified at high voltage through a second controller on a second bus;
when the vehicle is in a high-voltage power-on state, controlling the first controller in a state of a program to be flashed;
and controlling the vehicle high voltage to be reduced when the first controller is detected to be in a state of finishing the flash program.
Preferably, the method further comprises:
after the vehicle is powered on under high voltage, power is supplied to the storage battery through the converter.
Preferably, the method further comprises:
detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and controlling the second controller to write a program when detecting that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value.
Preferably, the method further comprises:
and when the second controller is detected to be in a program to be flashed state, controlling the first bus to be in a dormant state.
Preferably, the step of controlling the vehicle to power on at high voltage through the second controller on the second bus when detecting that the first controller on the first bus is in a state of a program to be flashed includes:
when detecting that at least one first controller is in a program to be flashed state, controlling other first buses except the first bus where the first controller in the program to be flashed is located to be in a dormant state;
and controlling the vehicle to be powered on at high voltage through the second controller.
An embodiment of the present invention further provides a device for controlling a flash program, including:
the first control module is used for controlling the vehicle to be electrified at high voltage through a second controller on a second bus when detecting that a first controller on the first bus is in a state of a program to be flashed;
the second control module is used for controlling the first controller in the state of a program to be refreshed when the vehicle is in a high-voltage power-on state;
and the third control module is used for controlling the high voltage reduction of the vehicle when the first controller is detected to be in a state of finishing the flash program.
Preferably, the apparatus further comprises:
and the first processing module is used for supplying power to the storage battery through the converter after the vehicle is powered on at high voltage.
Preferably, the apparatus further comprises:
the first detection module is used for detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and the second processing module is used for controlling the second controller to write a program in a flashing manner when the fact that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value is detected.
Preferably, the apparatus further comprises:
and the fourth control module is used for controlling the first bus to be in a dormant state when the second controller is detected to be in a program to be flashed state.
Preferably, the first control module includes:
the first control unit is used for controlling other first buses except the first bus where the first controller in the program to be flushed is located to be in a dormant state when the first controller in the program to be flushed is detected to be in the program to be flushed;
and the second control unit is used for controlling the vehicle to be powered on at high voltage through the second controller.
An embodiment of the present invention further provides a device for controlling a flash program, including: the flash memory comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps in the control method of the flash program.
Compared with the prior art, the method, the device and the equipment for controlling the flash program provided by the embodiment of the invention at least have the following beneficial effects:
when a first controller on a first bus is detected to be in a state of a program to be refreshed, a second controller on a second bus is used for controlling the vehicle to be powered on at high voltage to charge a storage battery, when the vehicle is in the state of powering on at high voltage, the first controller in the state of the program to be refreshed is controlled to be powered on at high voltage, and when the first controller is detected to be in the state of finishing the programming, the vehicle is controlled to be powered on at high voltage, so that the failure of the programming due to insufficient electric quantity of the storage battery in the programming process is avoided.
Drawings
Fig. 1 is a flowchart of a control method of a flash program according to an embodiment of the present invention;
fig. 2 is a block diagram of a control device of a flash program according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automobile according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for controlling a flash program, including:
step S1, when detecting that the first controller on the first bus is in the state of waiting for the program to be written, controlling the vehicle to be powered on at high voltage through the second controller on the second bus;
step S2, when the vehicle is in a high-voltage power-on state, controlling the first controller in a state of a program to be refreshed;
and step S3, controlling the vehicle high voltage to be lower when detecting that the first controller is in a state of finishing the flash program.
According to the embodiment of the invention, when the first controller on the first bus is detected to be in the state of the program to be flashed, the second controller on the second bus is used for controlling the vehicle to be electrified at high voltage to charge the storage battery, when the vehicle is in the state of being electrified at high voltage, the first controller in the state of the program to be flashed is controlled to be flashed, and when the first controller is detected to be in the state of ending the program to be flashed, the vehicle is controlled to be electrified at high voltage, so that the failure of the programming due to insufficient electric quantity of the storage battery in the process of the programming is avoided.
In the above embodiment of the present invention, the second controller on the second bus may be a controller related to vehicle high-voltage power-on operation, the controller related to vehicle high-voltage power-on operation is integrated in the same bus, when the first controller on the first bus needs to write a program, the electronic control unit may control the second bus to wake up, at this time, the second controller on the second bus is in a working state, and the second controller may control the vehicle high-voltage power-on to supply power to the storage battery (the storage battery may be a low-voltage storage battery), so as to ensure that the storage battery is not fed due to power consumption of the write-on program; the communication fault between the second bus and the first bus can be shielded, so that data on the second bus cannot be transmitted to other buses, and the vehicle is prevented from being in fault. The first bus and the second bus are common communication trunk lines for transmitting information among various functional components, and a transmission line bundle composed of wires can be used for transmitting data, data addresses and control signals.
The following describes a specific implementation process of the above scheme with reference to a specific flow:
after step S1, the method may further include:
after the vehicle is powered on under high voltage, power is supplied to the storage battery through the converter.
In the above embodiment of the present invention, the converter may be a dc/dc converter, and after the vehicle is powered on at a high voltage, the electronic control unit may supply power to the storage battery through the dc/dc converter, so as to ensure that the electric quantity of the storage battery can complete the update of the programs of each controller.
The method may further comprise:
detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and controlling the second controller to write a program when detecting that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value.
In the above embodiment of the present invention, when it is detected that the remaining power of the storage battery is smaller than the preset power value, the programming is ended, and a prompt message may be sent to remind the user to charge the storage battery. The preset electric quantity value is an electric quantity limit value required by the second controller for programming, and the reason that the residual electric quantity of the storage battery is larger than or equal to the preset electric quantity value is to ensure that the electric quantity of the storage battery is enough for the second controller to perform programming. Generally, the second controller has a short flash time, and the flash time of the second controller may be within 30 minutes, and before starting a flash program, it is detected whether the battery is charged enough to support the second controller flash.
The method may further comprise:
and when the second controller is detected to be in a program to be flashed state, controlling the first bus to be in a dormant state.
In the above embodiment of the present invention, when the second controller needs to perform the program flash, the electronic control unit controls the second bus to wake up, and performs the program flash in the low voltage mode, so as to control the first bus to be in the sleep state, thereby reducing power consumption.
Step S1 specifically includes:
when detecting that at least one first controller is in a program to be flashed state, controlling other first buses except the first bus where the first controller in the program to be flashed is located to be in a dormant state;
and controlling the vehicle to be powered on at high voltage through the second controller.
In the above embodiment of the present invention, the first bus includes a plurality of first controllers, each of the first controllers on the first bus includes a plurality of first controllers, and when one of the first controllers needs to perform program flashing, the first bus where the first controller is located is controlled to wake up, and the other first buses may be controlled to wake up, and the other first buses may also be controlled to sleep, so as to reduce power consumption, and the second bus is controlled to be in a wake-up state, and the second controller controls the vehicle to be powered on at high voltage to supply power to the storage battery. The other first buses are the first buses except the first bus where the first controller needing the flash program is located. If a plurality of first controllers need to be refreshed, the programs can be refreshed simultaneously, the first buses where the first controllers need to be refreshed are awakened, and other first buses can be in an awakening state or a sleeping state; or the first controllers of different first buses may be separately subjected to the flash program, and after the flash of the first controller on one first bus is completed, the first controller of another first bus is flashed, where the flash mode is the same as that described above, and is not described in detail.
As shown in fig. 2, an embodiment of the present invention further provides a control apparatus for a flash program, including:
the first control module 1 is used for controlling the vehicle to be electrified at high voltage through a second controller on a second bus when detecting that a first controller on the first bus is in a state of a program to be flashed;
the second control module 2 is used for controlling the first controller flashing program in a state of a program to be flashed when the vehicle is in a high-voltage power-on state;
and the third control module 3 is used for controlling the high voltage reduction of the vehicle when the first controller is detected to be in a state of finishing the flash program.
According to the embodiment of the invention, when the first control module 1 detects that the first controller on the first bus is in the state of the program to be refreshed, the second controller on the second bus controls the vehicle to be powered on at high voltage to charge the storage battery, when the vehicle is in the state of powering on at high voltage, the second control module 2 controls the first controller in the state of the program to be refreshed, and when the third control module 3 detects that the first controller is in the state of finishing the refresh program, the vehicle is controlled to be powered on at high voltage, so that the failure of the refresh process due to insufficient electric quantity of the storage battery in the process of the refresh program is avoided.
In the above embodiment of the present invention, the second controller on the second bus may be a controller related to vehicle high-voltage power-on operation, the controller related to vehicle high-voltage power-on operation is integrated in the same bus, when the first controller on the first bus needs to write a program, the electronic control unit may control the second bus to wake up, at this time, the second controller on the second bus is in a working state, and the second controller may control the vehicle high-voltage power-on to supply power to the storage battery (the storage battery may be a low-voltage storage battery), so as to ensure that the storage battery is not fed due to power consumption of the write-on program; the communication fault between the second bus and the first bus can be shielded, so that data on the second bus cannot be transmitted to other buses, and the vehicle is prevented from being in fault. The first bus and the second bus are common communication trunk lines for transmitting information among various functional components, and a transmission line bundle composed of wires can be used for transmitting data, data addresses and control signals.
As shown in fig. 3, in the above embodiment of the present invention, the control device of the flash program is disposed in a vehicle, the first bus may include a plurality of buses, and is not limited to the number shown in fig. 3, and the first controller on each first bus also includes a plurality of buses, and is not limited to the number shown in fig. 3; and the number of the second buses may be one, the second controllers are arranged on the same second bus, the number of the second buses may also be multiple, the second controllers are respectively arranged on the multiple second buses, and when the program is flushed, the multiple second buses are simultaneously awakened to work.
In an embodiment of the present invention, the apparatus further includes:
and the first processing module is used for supplying power to the storage battery through the converter after the vehicle is powered on at high voltage.
In the above embodiment of the present invention, the converter may be a dc/dc converter, and after the vehicle is powered on at a high voltage, the electronic control unit may supply power to the storage battery through the dc/dc converter, so as to ensure that the electric quantity of the storage battery can complete the update of the programs of each controller.
In an embodiment of the present invention, the apparatus further includes:
the first detection module is used for detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and the second processing module is used for controlling the second controller to write a program in a flashing manner when the fact that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value is detected.
In the above embodiment of the present invention, when it is detected that the remaining power of the storage battery is smaller than the preset power value, the programming is ended, and a prompt message may be sent to remind the user to charge the storage battery. The preset electric quantity value is an electric quantity limit value required by the second controller for programming, and the reason that the residual electric quantity of the storage battery is larger than or equal to the preset electric quantity value is to ensure that the electric quantity of the storage battery is enough for the second controller to perform programming. Generally, the second controller has a short refresh time, and generally, the refresh time of the second controller may be within 30 minutes, and before starting the refresh program, it is detected whether the battery is charged enough to support the second controller refresh program.
In an embodiment of the present invention, the apparatus further includes:
and the fourth control module is used for controlling the first bus to be in a dormant state when the second controller is detected to be in a program to be flashed state.
In the above embodiment of the present invention, when the second controller needs to perform the program flash, the electronic control unit controls the second bus to wake up, and performs the program flash in the low voltage mode, so as to control the first bus to be in the sleep state, thereby reducing power consumption.
In an embodiment of the present invention, the first control module includes:
the first control unit is used for controlling other first buses except the first bus where the first controller in the program to be flushed is located to be in a dormant state when the first controller in the program to be flushed is detected to be in the program to be flushed;
and the second control unit is used for controlling the vehicle to be powered on at high voltage through the second controller.
In the above embodiment of the present invention, the first bus includes a plurality of first controllers, each of the first controllers on the first bus includes a plurality of first controllers, and when one of the first controllers needs to perform program flashing, the first bus where the first controller is located is controlled to wake up, and the other first buses may be controlled to wake up, and the other first buses may also be controlled to sleep, so as to reduce power consumption, and the second bus is controlled to be in a wake-up state, and the second controller controls the vehicle to be powered on at high voltage to supply power to the storage battery. The other first buses are the first buses except the first bus where the first controller needing the flash program is located. If a plurality of first controllers need to be refreshed, the programs can be refreshed simultaneously, the first buses where the first controllers need to be refreshed are awakened, and other first buses can be in an awakening state or a sleeping state; or the first controllers of different first buses may be separately subjected to the flash program, and after the flash of the first controller on one first bus is completed, the first controller of another first bus is flashed, where the flash mode is the same as that described above, and is not described in detail.
It should be noted that the embodiment of the apparatus is an apparatus corresponding to the embodiment of the method, and all implementations in the embodiment of the method are applicable to the embodiment of the apparatus, and the same technical effect can be achieved.
An embodiment of the present invention further provides a device for controlling a flash program, including: the flash memory comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize any step of the control method of the flash program.
The total amount of the program packages of dozens of controllers in the whole vehicle can reach 3.3G, the program package of an android system is about 3G, the upgrading time is 15-30 minutes, the program packages of other embedded controllers are about 300M, the upgrading time is about 2.5 hours, the upgrading time of the controllers in the whole vehicle is about 3 hours, and the refreshing time of the whole vehicle can be about 1 hour after the storage battery in the whole vehicle passes the test; according to the embodiment of the invention, when the first controller on the first bus is detected to be in the state of the program to be refreshed, the second controller on the second bus is used for controlling the vehicle to be powered on at high voltage to charge the storage battery, when the vehicle is in the state of being powered on at high voltage, the first controller in the state of the program to be refreshed is controlled to be powered on at high voltage, and when the first controller is detected to be in the state of finishing the programming, the vehicle is controlled to be powered on at high voltage, so that the failure of the programming due to insufficient electric quantity of the storage battery in the process of the programming is avoided, and the power consumption requirement of all the controllers of the whole vehicle for upgrading is met.
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 as defined in the appended claims.
Claims (9)
1. A method for controlling a flash program, comprising:
when detecting that a first controller on a first bus is in a state of a program to be flashed, controlling the vehicle to be electrified at high voltage through a second controller on a second bus;
when the vehicle is in a high-voltage power-on state, controlling the first controller in a state of a program to be flashed;
when the first controller is detected to be in a state that the flash program is ended, controlling the high voltage of the vehicle to be reduced;
when detecting that a first controller on a first bus is in a state of a program to be flashed, controlling the high-voltage electrification of the vehicle through a second controller on a second bus, wherein the step comprises the following steps of:
when detecting that at least one first controller is in a program to be flashed state, controlling other first buses except the first bus where the first controller in the program to be flashed is located to be in a dormant state;
controlling the vehicle to be powered on at high voltage through the second controller;
the second controller on the second bus is a controller related to the vehicle high-voltage power-on operation, the controller related to the vehicle high-voltage power-on operation is integrated in the same bus, and when the first controller on the first bus needs to write a program, the electronic control unit controls the second bus to wake up.
2. The method for controlling a flash program according to claim 1, wherein the method further comprises:
after the vehicle is powered on under high voltage, power is supplied to the storage battery through the converter.
3. The method for controlling a flash program according to claim 1, wherein the method further comprises:
detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and controlling the second controller to write a program when detecting that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value.
4. The method for controlling a flash program according to claim 1, wherein the method further comprises:
and when the second controller is detected to be in a program to be flashed state, controlling the first bus to be in a dormant state.
5. A control apparatus for a flash program, comprising:
the first control module is used for controlling the vehicle to be electrified at high voltage through a second controller on a second bus when detecting that a first controller on the first bus is in a state of a program to be flashed; the second controller on the second bus is a controller related to the vehicle high-voltage power-on operation, the controller related to the vehicle high-voltage power-on operation is integrated in the same bus, and when the first controller on the first bus needs to write a program, the electronic control unit controls the second bus to wake up;
the second control module is used for controlling the first controller in the state of a program to be refreshed when the vehicle is in a high-voltage power-on state;
the third control module is used for controlling the high voltage reduction of the vehicle when the first controller is detected to be in a state that the flash program is ended;
wherein the first control module comprises:
the first control unit is used for controlling other first buses except the first bus where the first controller in the program to be flushed is located to be in a dormant state when the first controller in the program to be flushed is detected to be in the program to be flushed;
and the second control unit is used for controlling the vehicle to be powered on at high voltage through the second controller.
6. The control apparatus of a flash program according to claim 5, wherein the apparatus further comprises:
and the first processing module is used for supplying power to the storage battery through the converter after the vehicle is powered on at high voltage.
7. The control apparatus of a flash program according to claim 5, wherein the apparatus further comprises:
the first detection module is used for detecting the residual electric quantity of the storage battery when the second controller is detected to be in a state of a program to be written;
and the second processing module is used for controlling the second controller to write a program in a flashing manner when the fact that the residual electric quantity of the storage battery is greater than or equal to a preset electric quantity value is detected.
8. The control apparatus of a flash program according to claim 5, wherein the apparatus further comprises:
and the fourth control module is used for controlling the first bus to be in a dormant state when the second controller is detected to be in a program to be flashed state.
9. A control apparatus for a flash program, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the steps in the method of controlling a flash program according to any one of claims 1 to 4 when executing the computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151277.7A CN111619484B (en) | 2019-02-28 | 2019-02-28 | Control method, device and equipment for programming |
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| CN201910151277.7A CN111619484B (en) | 2019-02-28 | 2019-02-28 | Control method, device and equipment for programming |
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| CN111619484A CN111619484A (en) | 2020-09-04 |
| CN111619484B true CN111619484B (en) | 2022-03-25 |
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| JP5975964B2 (en) * | 2013-10-18 | 2016-08-23 | 富士通株式会社 | Information processing program, information processing method, information processing apparatus, and information processing system |
| JP6507884B2 (en) * | 2015-06-29 | 2019-05-08 | コベルコ建機株式会社 | Construction machine and program rewriting system provided with the same |
| KR101724486B1 (en) * | 2015-09-21 | 2017-04-18 | 현대자동차 주식회사 | Apparatus and computer readable recording medium for controlling software update of vehicle terminal |
| DE102015014049A1 (en) * | 2015-10-30 | 2017-05-04 | Audi Ag | ECU update in the vehicle |
| CN108710499B (en) * | 2018-05-23 | 2021-09-14 | 苏州艾普乐思新能源动力系统科技有限公司 | Method and device for flashing vehicle-mounted ECU software of electric vehicle |
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