CN113391830A - Automobile ECU remote refreshing method, automobile and readable storage medium - Google Patents
Automobile ECU remote refreshing method, automobile and readable storage medium Download PDFInfo
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- CN113391830A CN113391830A CN202110579305.2A CN202110579305A CN113391830A CN 113391830 A CN113391830 A CN 113391830A CN 202110579305 A CN202110579305 A CN 202110579305A CN 113391830 A CN113391830 A CN 113391830A
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Abstract
The invention provides a remote refreshing method of an automobile ECU, which comprises the steps of refreshing through a vehicle-mounted terminal and not refreshing through the vehicle-mounted terminal, wherein the refreshing through the vehicle-mounted terminal comprises the following steps: a user operates the whole vehicle to carry out ON power shift, the operation of the interface of the vehicle-mounted terminal is immediately upgraded, the vehicle-mounted terminal detects that the whole vehicle condition is met, the vehicle-mounted terminal and the gateway are subjected to security authentication, a refreshing instruction is sent to a target ECU after the authentication is passed, the interface displays refreshing progress and attention points, a refreshing result is displayed after the refreshing is completed, the vehicle-mounted terminal feeds back the refreshing result to the cloud server, and the ECU software upgrading is completed. The invention has the beneficial effects that: the refreshing efficiency of the automobile ECU is improved.
Description
Technical Field
The invention relates to a remote refreshing method of an automobile ECU, in particular to a remote refreshing method of an automobile ECU, an automobile and a readable storage medium.
Background
With the increasing sophistication and functionality of automotive configurations, host plants are continually required to optimize vehicle functions and quickly address customer complaints to gain customer confidence and public praise. The current domestic mainstream software upgrading method for automobile ECU (electronic control unit) is as follows: firstly, a host factory tests and verifies the software of a new version of ECU and develops the software of an after-sale diagnostic instrument, and a 4S shop upgrades the software version of the diagnostic instrument; the 4S store phone then invites the user to upgrade the software. The user needs to take time to drive the vehicle to a 4S store or a 4S store worker visits user upgrading software, the 4S store worker connects a diagnostic instrument to the vehicle, ECU software needing to be refreshed is downloaded from a host factory after-sale server by operating the diagnostic instrument, and the diagnostic instrument refreshes and upgrades the ECU by using a diagnostic instruction after passing the verification.
Therefore, how to improve the refreshing efficiency of the automobile ECU is an urgent technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an automobile ECU remote refreshing method, an automobile and a readable storage medium.
The invention provides a remote refreshing method of an automobile ECU, which comprises the steps of refreshing through a vehicle-mounted terminal and not refreshing through the vehicle-mounted terminal, wherein,
the refreshing through the vehicle-mounted terminal comprises the following steps: a user operates the whole vehicle to carry out ON power shift, the operation of the interface of the vehicle-mounted terminal is immediately upgraded, the vehicle-mounted terminal detects that the whole vehicle condition is met, the vehicle-mounted terminal and the gateway are subjected to security authentication, a refreshing instruction is sent to a target ECU after the authentication is passed, the interface displays a refreshing progress and a notice, a refreshing result is displayed after the refreshing is completed, the vehicle-mounted terminal feeds the refreshing result back to the cloud server, and the ECU software is upgraded;
the refreshing without the vehicle-mounted terminal comprises the following steps: the user sends an upgrade instruction to the cloud server through the communication equipment, the vehicle-mounted terminal of the vehicle monitors the refresh condition of the whole vehicle after receiving the upgrade instruction of the cloud server, firstly reads the version information of the ECU to be refreshed, after confirming that the ECU needs to be upgraded, carries out security authentication with the gateway, after the authentication is passed, the vehicle-mounted terminal is authenticated with the keyless entry and starting system, after the authentication is passed, the keyless entry and starting system controls the power supply of the whole vehicle to be powered ON, the vehicle-mounted terminal finishes the ECU refresh task through the diagnosis instruction, confirms the version information after the refresh is completed again, after the refresh is completed, the vehicle-mounted terminal sends an instruction to reset the ECU of the whole vehicle, the vehicle-mounted terminal requests the keyless entry and starting system to be powered off for security authentication, after the authentication is passed, the keyless entry and starting system controls the power supply of the whole vehicle to be powered off, the vehicle-mounted terminal feeds back the refresh result to the cloud server, and the cloud server feeds back the upgrade result to the user, and finishing the ECU software upgrading.
As a further improvement of the invention, the refreshing through the vehicle-mounted terminal comprises the following steps: the user turns ON the ON-gear power in the vehicle, and after clicking 'upgrade immediately' and confirming ON the central control screen, after the vehicle-mounted terminal initiates security authentication to the gateway, the vehicle-mounted terminal sends a local remote upgrade mode signal to the gateway after the security authentication is passed, the gateway sends a gateway remote upgrade mode signal to the bus after entering a remote upgrade mode, the gateway forwards a refresh message to a corresponding network segment, the vehicle-mounted terminal sends the refresh message to the ECU for remote upgrade and refresh, and displaying the refreshing progress and the cautions in the refreshing process, after the updating and refreshing task is finished, the vehicle-mounted terminal sends a normal mode signal to the gateway, the gateway is switched to the normal mode after receiving the normal mode signal, the gateway normal mode signal is sent to the bus, the vehicle-mounted terminal feeds back a refreshing result to the cloud server, and the vehicle-mounted terminal prompts a user that the updating is finished in the central control interface after receiving the refreshing result, so that the user is allowed to normally use the vehicle.
As a further improvement of the invention, not refreshing through the in-vehicle terminal comprises: when the user is not in the vehicle, the user clicks 'update immediately' on the mobile phone APP and confirms, and the vehicle-mounted terminal executes remote refreshing; the cloud server triggers and wakes up the vehicle-mounted terminal, the vehicle-mounted terminal wakes up the network and judges that the condition of the whole vehicle is met, the vehicle-mounted terminal initiates a request for entering security authentication to the gateway, after the authentication is passed, the vehicle-mounted terminal sends a remote upgrade mode signal to the bus, then sends a remote upgrade power-on request to request the PEPS to carry out remote upgrade power-on and carry out security authentication with the PEPS, after the safety certification of the T-ICE and the keyless entry and starting system is passed, the keyless entry and starting system controls the whole vehicle power supply to be switched to an ON gear, the vehicle-mounted terminal updates the ECU software according to the refreshing process, after the upgrading is completed, all ECU modules of the whole vehicle are reset, the vehicle-mounted terminal and the keyless entry and starting system perform safety certification request key entry and starting system power-off, the vehicle-mounted terminal feeds back a refreshing result to the cloud server, and the cloud feeds back the refreshing result to the user mobile phone APP.
The invention also provides a vehicle for carrying out the method according to any one of the preceding claims.
The invention also provides a readable storage medium having stored therein executable instructions for implementing the method as claimed in any one of the above when executed by a processor.
The invention has the beneficial effects that: through the scheme, the refreshing efficiency of the automobile ECU is improved.
Drawings
FIG. 1 is a schematic diagram of a method for remotely refreshing an ECU of a vehicle in accordance with the present invention;
FIG. 2 is a flow chart of a local refreshing method for an automobile ECU according to the present invention.
FIG. 3 is a flow chart of remote refreshing of an ECU of a vehicle according to the method of the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 3, in the method for remotely refreshing the automobile ECU, the automobile ECU is remotely refreshed mainly through a cloud server and a vehicle-mounted terminal, and the cloud server adopts an FOTA cloud platform.
The Over-The-Air software upgrading of The FOTA (Firmware Over-The-Air) mobile terminal refers to that The FOTA mobile terminal is a device with a networking function by a cloud upgrading technology: for example, a mobile phone, a tablet computer, a portable media player, a mobile internet device and the like provide firmware upgrading services, a user obtains an intelligent terminal system upgrading package in an on-demand and easily-extensible manner by using a network, and cloud upgrading is performed through FOTA to complete system repair and optimization.
The FOTA cloud platform is a main unit responsible for monitoring the whole FOTA process, a vehicle needing to be refreshed and upgraded is determined, a trusted channel is established between the vehicle and the corresponding vehicle, a refreshing package is extracted from a software library, the refreshing sequence of a distribution package is determined, refreshing tasks are formed, the whole process is managed, and verification is carried out after the refreshing task and the whole process are completed. And the vehicle-mounted terminal (T-ICE) in the vehicle downloads, decrypts and verifies the refreshing task and the refreshing package. The cloud platform informs the user of software upgrading through a mobile phone APP or a T-ICE interface, and the user can select T-ICE local refreshing or remote mobile phone APP to upgrade immediately or reserve for upgrading.
If local refreshing is selected, a user needs to operate the ON-board power ON the whole vehicle, the operation of the T-ICE interface is immediately upgraded, the T-ICE and the gateway are safely authenticated under the condition that the T-ICE detects that the conditions of the whole vehicle are met, a refreshing instruction is sent to the target ECU after the authentication is passed, the interface displays a refreshing progress and notice, a refreshing result is displayed after refreshing is completed, the T-ICE feeds the refreshing result back to the FOTA cloud, and the ECU software is upgraded completely.
If the remote mobile phone APP is selected for upgrading, after the T-ICE receives a cloud upgrading instruction, the whole vehicle refreshing condition is monitored, version information of an ECU to be refreshed is read first, safety certification is carried out ON the ECU and a gateway after upgrading is confirmed, after the certification is passed, the T-ICE is authenticated with the PEPS again, after the certification is passed, the PEPS controls ON gear power of a whole vehicle power supply, the TICE finishes a task of refreshing the ECU through a diagnosis instruction, the version information after refreshing is confirmed again, after refreshing is completed, the T-ICE sends an instruction to reset the whole vehicle ECU, the T-ICE requests the PEPS to carry out power-off safety certification, after the certification is passed, the PEPS (keyless entry and start system) controls the whole vehicle power supply to be powered off, the T-ICE feeds back a refreshing result to the FOTA cloud, the FOTA feeds back the upgrading result to a mobile phone of a user again, and the refreshing task is completed.
The local refreshing process of the automobile ECU is shown in fig. 2, a user turns ON ON gear power in the automobile, the user clicks 'upgrade immediately' ON the central control screen and confirms, the T-ICE automatically turns off the audio and video related functions, and characters are made ON the central control screen to prompt the user to 'please turn off light, air conditioners, windscreen wipers and other electric appliances'. After the T-ICE initiates the security authentication to the gateway and the security authentication is passed, the T-ICE sends a local remote upgrade mode signal to the gateway, the gateway enters the remote upgrade mode and then sends a gateway remote upgrade mode signal to the bus, and the gateway forwards the refresh message to the corresponding network segment. And the T-ICE sends refreshing messages to each ECU for remote upgrading and refreshing, and displays refreshing progress and cautions in the refreshing process, so that a user cannot use other functions of the vehicle machine. After the upgrade and refresh task is finished, the T-ICE sends a normal mode signal to the gateway, the gateway is switched to a normal mode after receiving the normal mode signal, the gateway normal mode signal is sent to the bus, the T-ICE feeds back a refresh result to the cloud server, and the T-ICE prompts a user that the upgrade is finished in the central control interface after receiving the refresh result, so that the user is allowed to normally use the vehicle.
The automobile ECU remote refreshing process is shown in FIG. 3, when a user is not in an automobile, the user clicks 'update immediately' on a mobile phone APP and confirms, and then the T-ICE executes remote refreshing. The FOTA cloud platform triggers and awakens T-ICE, the T-ICE awakens a network and judges that the condition of the whole vehicle is met, the T-ICE initiates a request for entering security authentication to a gateway, after the authentication is passed, a remote upgrading mode signal is sent to a bus, then a remote upgrading power-ON request is sent, the PEPS is requested to carry out remote upgrading power-ON, the PEPS carries out security authentication with the PEPS, and when the T-ICE and the PEPS pass the security authentication, the PEPS controls the power supply of the whole vehicle to be switched to an ON gear. The T-ICE upgrades software of the target refreshing ECU according to the refreshing process, after the upgrading is completed, all ECU modules of the whole vehicle are reset, the T-ICE and the PEPS perform security authentication to request the PEPS to power off, the T-ICE feeds back refreshing results to the cloud server, and the cloud feeds back the refreshing results to the user mobile phone APP.
When the function of the automobile controller software needs to be optimized and improved or the function defect of the software is repaired, a host factory modifies and perfects the controller software through testing, a refreshing packet is provided for a remote refreshing server, the refreshing server arranges a refreshing task to an automobile machine end through a 4G or 5G network according to the determined vehicle information needing to be refreshed, and a user can realize the rapid iterative upgrade of the controller software through a control screen or a mobile phone APP in the automobile machine.
The automobile ECU remote refreshing method, the automobile and the readable storage medium provided by the invention have the following advantages that:
1) the user can realize ECU software upgrading on a central control screen local ECU or remote APP upgrading without driving the vehicle to a 4S store;
2) the user can select immediate upgrading or reserved upgrading, and the upgrading time is flexible;
3) the workload of a 4S shop is reduced, and the refreshing cost is reduced;
4) the host factory can quickly iterate ECU software to perfect the optimization function;
5) ECU upgrading cost is saved, and software upgrading efficiency is improved;
6) the problem vehicles on the production line are convenient to repair collectively, and the repair efficiency is improved;
7) the iteration of new functions is facilitated, and the expansibility is good;
8) the functions are convenient to transplant, the product continuity is good, and the product maintenance value is high.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (5)
1. A remote refreshing method for an automobile ECU is characterized by comprising in-automobile refreshing and mobile phone refreshing, wherein,
the refreshing through the vehicle-mounted terminal comprises the following steps: a user operates the whole vehicle to carry out ON power shift, the operation of the interface of the vehicle-mounted terminal is immediately upgraded, the vehicle-mounted terminal detects that the whole vehicle condition is met, the vehicle-mounted terminal and the gateway are subjected to security authentication, a refreshing instruction is sent to a target ECU after the authentication is passed, the interface displays a refreshing progress and a notice, a refreshing result is displayed after the refreshing is completed, the vehicle-mounted terminal feeds the refreshing result back to the cloud server, and the ECU software is upgraded;
the refreshing without the vehicle-mounted terminal comprises the following steps: the user sends an upgrade instruction to the cloud server through the communication equipment, the vehicle-mounted terminal of the vehicle monitors the refresh condition of the whole vehicle after receiving the upgrade instruction of the cloud server, firstly reads the version information of the ECU to be refreshed, after confirming that the ECU needs to be upgraded, carries out security authentication with the gateway, after the authentication is passed, the vehicle-mounted terminal is authenticated with the keyless entry and starting system, after the authentication is passed, the keyless entry and starting system controls the power supply of the whole vehicle to be powered ON, the vehicle-mounted terminal finishes the ECU refresh task through the diagnosis instruction, confirms the version information after the refresh is completed again, after the refresh is completed, the vehicle-mounted terminal sends an instruction to reset the ECU of the whole vehicle, the vehicle-mounted terminal requests the keyless entry and starting system to be powered off for security authentication, after the authentication is passed, the keyless entry and starting system controls the power supply of the whole vehicle to be powered off, the vehicle-mounted terminal feeds back the refresh result to the cloud server, and the cloud server feeds back the upgrade result to the user, and finishing the ECU software upgrading.
2. The method for remotely refreshing the automobile ECU according to claim 1, wherein: the refreshing through the vehicle-mounted terminal comprises the following steps: the user turns ON the ON-gear power in the vehicle, and after clicking 'upgrade immediately' and confirming ON the central control screen, after the vehicle-mounted terminal initiates security authentication to the gateway, the vehicle-mounted terminal sends a local remote upgrade mode signal to the gateway after the security authentication is passed, the gateway sends a gateway remote upgrade mode signal to the bus after entering a remote upgrade mode, the gateway forwards a refresh message to a corresponding network segment, the vehicle-mounted terminal sends the refresh message to the ECU for remote upgrade and refresh, and displaying the refreshing progress and the cautions in the refreshing process, after the updating and refreshing task is finished, the vehicle-mounted terminal sends a normal mode signal to the gateway, the gateway is switched to the normal mode after receiving the normal mode signal, the gateway normal mode signal is sent to the bus, the vehicle-mounted terminal feeds back a refreshing result to the cloud server, and the vehicle-mounted terminal prompts a user that the updating is finished in the central control interface after receiving the refreshing result, so that the user is allowed to normally use the vehicle.
3. The method for remotely refreshing the automobile ECU according to claim 1, wherein: the refreshing without the vehicle-mounted terminal comprises the following steps: when the user is not in the vehicle, the user clicks 'update immediately' on the mobile phone APP and confirms, and the vehicle-mounted terminal executes remote refreshing; the cloud server triggers and wakes up the vehicle-mounted terminal, the vehicle-mounted terminal wakes up the network and judges that the condition of the whole vehicle is met, the vehicle-mounted terminal initiates a request for entering security authentication to the gateway, after the authentication is passed, the vehicle-mounted terminal sends a remote upgrade mode signal to the bus, then sends a remote upgrade power-on request to request the PEPS to carry out remote upgrade power-on and carry out security authentication with the PEPS, after the safety certification of the T-ICE and the keyless entry and starting system is passed, the keyless entry and starting system controls the whole vehicle power supply to be switched to an ON gear, the vehicle-mounted terminal updates the ECU software according to the refreshing process, after the upgrading is completed, all ECU modules of the whole vehicle are reset, the vehicle-mounted terminal and the keyless entry and starting system perform safety certification request key entry and starting system power-off, the vehicle-mounted terminal feeds back a refreshing result to the cloud server, and the cloud feeds back the refreshing result to the user mobile phone APP.
4. An automobile, characterized in that: for performing the method of any one of claims 1 to 3.
5. A readable storage medium, characterized by: the readable storage medium has stored therein execution instructions for implementing the method of any one of claims 1 to 3 when executed by a processor.
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Application publication date: 20210914 |