KR102064519B1 - Method for updating software of electronic control unit of vehicle, apparatus and system thereof - Google Patents

Abstract

The present invention relates to a method for updating ECU software of a vehicle, and an apparatus and a system for performing the same. The method according to the present invention comprises the following steps of: receiving update information for each ECU including latest software version information and update importance information for each of a plurality of ECUs from an update server through a wireless communications network and obtaining the received update information; comparing the latest software version information with current software version information of a corresponding ECU with respect to at least one of the ECUs; determining at least one of whether a user interface related to software update of the ECU is displayed on a screen and a display time point according to the update importance information when the version information are different from each other as a result of the comparison; and receiving a software update image for the ECU from the update server and transferring the software update image to the ECU through a communications network in a vehicle when the software update for the ECU is selected through the user interface (UI) displayed on the screen according to the determination.

Description

METHOD FOR UPDATING SOFTWARE OF ELECTRONIC CONTROL UNIT OF VEHICLE, APPARATUS AND SYSTEM THEREOF}

The present invention relates to a method for updating software of an ECU (Electronic Control Unit) provided in a vehicle through a wireless communication network.

As the Intelligent Transportation System (ITS) evolves and the proportion of vehicles capable of wireless communication (e.g., WiFi, 3G, LTE, etc.) increases, the vehicle can interact with external entities such as other vehicles or infrastructure. Communication is also becoming common.

In addition, the number of electronic control units (ECUs) in vehicles is increasing. As the structure and function of such electronic controllers become more complicated, the software modules inside the electronic controllers also need to be updated for reasons such as bug fixes, performance improvements, and security.

As mentioned above, these softwares need to be updated to add new functions and to improve errors, but users may find it cumbersome to update for a variety of reasons, and they tend to not update or postpone the update unless they feel a big inconvenience. Leads to a low update execution rate.

On the other hand, in general, the update of the software module inside the electronic controller uses diagnostic communication through a wired connection between the vehicle and the diagnostic device. However, whenever the diagnostic communication speed is slow and an update is required, it is necessary to visit a place equipped with diagnostic equipment such as a repair shop. There is discomfort.

In recent years, over-the-air (OTA) services for updating software over the air have begun to provide cost-effective software updates safely and quickly, reducing software recalls and associated costs.

Patent Document 1: Publication No. 10-2017-0119645 (Published October 27, 2017)

An object of the present invention is to provide a method for efficiently and reliably updating software of an ECU (Electronic Control Unit) provided in a vehicle through a wireless communication network, and an apparatus and system for performing the same.

The vehicle ECU software update method according to an embodiment of the present invention updates software of an ECU (Electronic Control Unit) provided in a vehicle through a wireless communication network, and provides software latest version information and update importance information for each of a plurality of ECUs. Receiving and acquiring update information for each ECU from the update server through a wireless communication network; Comparing at least one of the plurality of ECUs, the obtained software latest version information with software current version information of the ECU; If version information is different from each other as a result of the comparison, determining at least one of whether or not a screen of a software update-related user interface (UI) of the ECU is displayed according to the obtained update importance information; And when a software update for the ECU is selected through a user interface (UI) displayed on the screen according to the determination, a software update image for the ECU is received from the update server and transferred to the ECU via an in-vehicle communication network. Including; processing to ensure.

The vehicle infotainment apparatus according to an embodiment of the present invention may perform vehicle ECU update using the vehicle ECU software update method.

Meanwhile, the steps according to the vehicle ECU software update method may be configured as a computer program to be performed in the update system according to an embodiment of the present invention, and the computer program may be stored in a computer-readable medium. .

In addition, the vehicle ECU software update system according to an embodiment of the present invention, to receive the ECU-specific update information including the latest software version information and the update importance information for each of the plurality of ECU from the update server via a wireless communication network A communication unit for; A memory for storing ECU-specific update information received through the communication unit; And comparing at least one of the plurality of ECUs with the latest software version information stored in the memory and the current software version information of the corresponding ECU, and when the version information is different from each other as a result of the comparison, a software update related user interface of the ECU ( A display unit for determining at least one of whether a screen of a user interface (UI, User Interface) and a display time point are displayed according to the obtained update importance information, and displaying the user interface (UI) on a screen according to the determination; When a software update for the ECU is selected via the user interface (UI) displayed on the screen, the communication unit receives a software update image for the ECU from the update server and delivers it to the ECU via an in-vehicle communication network. do.

According to an embodiment of the present invention, after comparing the ECU-specific update information received from the update server through the wireless communication network and the software version information collected at the start-up of the vehicle, ECU software update-related user interface (UI, User) according to the update importance information By determining whether or not the screen of the interface) is displayed, each ECU software provided in the vehicle can be efficiently and reliably updated through the wireless communication network.

In addition, by allowing the ECU software update user interface (UI) as described above to be provided through the infotainment device provided in the vehicle, it is easy to update the software for a plurality of ECUs provided in the vehicle.

1 is a block diagram showing the overall configuration of an update system according to the present invention.
2 is a block diagram illustrating an embodiment of a configuration of a vehicle ECU software update system according to the present invention.
3 is a flowchart illustrating a method of updating vehicle ECU software according to an embodiment of the present invention.
4 is a timing diagram for explaining an embodiment of a method of updating ECU software when a vehicle starts.
5 to 7 are views for explaining embodiments of the configuration of the update-related user interface (UI) provided through the screen of the vehicle infotainment system.
FIG. 8 is a timing diagram for explaining an embodiment of a method of updating ECU software while driving a vehicle.
9 is a timing diagram illustrating an embodiment of a method of updating ECU software in response to a user request.
10 is a timing diagram for explaining an embodiment of a method of updating software of a ECU selected by a user.

Hereinafter, with reference to the accompanying drawings will be described in detail a vehicle ECU software update method, apparatus and system for performing the same according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. It is not intended to limit the invention to the specific embodiments, it can be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The terms may be used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The term and / or may include a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected or connected to that other component, but other components may be present in between. Can be understood. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it may be understood that no other component exists in the middle.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions may include plural expressions unless the context clearly indicates otherwise.

In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and one or more other features. It may be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries may be interpreted to have meanings consistent with the meanings in the context of the related art, and shall be interpreted in ideal or excessively formal meanings unless expressly defined in the present application. It may not be.

In addition, the following embodiments are provided to more fully describe those skilled in the art, and the shape and size of elements in the drawings may be exaggerated for clarity.

1 is a block diagram showing the overall configuration of an update system according to the present invention. The illustrated system may include a vehicle ECU software update system 100 and an update server 200.

Referring to FIG. 1, a vehicle ECU software update system 100 is provided in a vehicle and communicates with the update server 200 through a wireless communication network to perform software update of ECUs (Electronic Control Units) included in the vehicle. can do.

The vehicle includes a plurality of ECUs equipped with software for providing various functions. For example, the ECU for controlling the engine, the ECU for controlling the brake, the ECU for controlling the transmission, and the like may be installed in the vehicle.

On the other hand, in case of an emergency such as an infotainment device (IVI), audio video navigation (AVN) for providing information or media in a vehicle, a navigation terminal providing route guidance function, or an accident, the call center or an agency concerned An emergency call (eCall) function that delivers an emergency situation or a terminal that provides an SOS function may also correspond to one ECU.

Each of the ECUs described above is equipped with software for implementing a corresponding function, and ECu software may need to be updated for error correction or function improvement.

The update server 200 may store a software update version for each of the plurality of ECUs provided in the vehicle, and may also store information about the ECUs provided in the vehicle according to the vehicle information.

For example, the update server 200 may be a file or an image required for updating the ECU software according to a request of the vehicle ECU software update system 100 or when a predetermined predetermined condition is satisfied. The " update image " may be transmitted to and provided to the vehicle ECU software update system 100 in an On The Air (OTA) manner.

As a wireless communication network for transmitting data between the vehicle ECU software update system 100 and the update server 200, a global system for mobile communication (GSM), code division multi access (CDMA), code division multi access 1000 ), Enhanced Voice-Data Optimized or Enhanced Voice-Data Only (EV-DO), Wideband CDMA (WCDMA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), There may be Long Term Evolution-Advanced (LTE-A), but the present invention is not limited thereto.

According to an embodiment of the present invention, after comparing the ECU-specific update information received from the update server 200 via the wireless communication network and the software version information collected at the start-up of the vehicle, the ECU software update related user interface according to the update importance information By determining whether or not a screen (UI, User Interface) is displayed and when, etc., each ECU software provided in the vehicle can be efficiently and reliably updated through a wireless communication network.

2 is a block diagram showing an embodiment of the configuration of the vehicle ECU software update system according to the present invention, wherein the illustrated vehicle ECU software update system 100 includes a display unit 110, a communication unit 120, and a memory. 130 may be included.

Referring to FIG. 2, the display unit 110 is for displaying on a screen of a software update related user interface (UI) of the ECU, and the communication unit 120 is an update server through a wireless communication network as described above. May be for communicating with 200.

For example, the display unit 110 may be provided in an infotainment system or AVN in a vehicle to perform a function according to an embodiment of the present invention, but the present invention is not limited thereto. It may be implemented as a device of.

For example, the AVN device is provided in a vehicle and integrates audio, video, and navigation functions into a single unit, and the AVN device is also equipped with in-vehicle software for audio, video, and navigation functions. This can be done integrally.

The communication unit 120 may update the ECU-specific update information including the latest software version information and the update importance information of each of the plurality of ECUs 10 to 15 provided in the vehicle through the wireless communication network. Can be received from.

For that purpose, the display unit 110 requests the communication unit 120 to query the ECU-specific update information for the plurality of ECUs when the vehicle starts up, or for each ECU for a plurality of ECUs at regular intervals while the vehicle is running. The request for updating information may be requested, or if there is a user's request, the request for updating information for each ECU may be requested for a plurality of ECUs, or the request for updating for each ECU for an ECU selected by the user may be requested.

Meanwhile, update information for each ECU received from the update server 200 through the communication unit 120 may be stored in the memory 130.

Here, the memory 130 is not only volatile memory such as S-RAM (S-RAM), D-lap (D-RAM), but also flash memory, ROM (Read Only Memory), Epyrom (Erasable Programmable Read Only Memory): Non-volatile memory, such as EPROM) and EEPROM (Electrically Erasable Programmable Read Only Memory).

The display unit 110 compares the software latest version information stored in the memory 130 with the software current version information of the corresponding ECU for at least one of the plurality of ECUs 10 through 15, so that the software of the corresponding ECU is up-to-date. You can check whether it is a version.

Here, the ECU software latest version information may be included in the ECU-specific update information and received from the update server 200, and the ECU software current version information may be collected from the corresponding ECU when the vehicle is started.

When the version information is different from each other as a result of the comparison, that is, when the software of the corresponding ECU is not the latest version, at least one of whether or not the screen of the user interface (UI) related to the software update of the corresponding ECU is displayed and the timing of the update are updated. You can decide accordingly.

Meanwhile, the update importance information is included in update information for each ECU received from the update server 200 and may indicate the importance of the update of the latest version of the corresponding ECU software.

That is, the user interface (UI) for updating the corresponding ECU software may be displayed on the screen through the display unit 110 or, if so, at what time. The update importance may be determined by ECU. It may be included in the update information and received from the update server 200.

The display unit 110 displays a user interface (UI) for updating the ECU software on the screen according to the determination result, and the user uses a user interface (UI) displayed on the screen to variously relate to the software update for the corresponding ECU. Information may be provided and input may be performed accordingly.

When a software update for an ECU is selected through a user interface (UI) displayed on the screen of the display unit 110, the communication unit 120 receives a software update image for the corresponding ECU from the update server 200 to be in the vehicle. It can be delivered to the corresponding ECU via a communication network.

Meanwhile, although FIG. 2 illustrates that the communication unit 120 transmits data to the plurality of ECUs 10 to 15 through the display unit 110, the present invention is not limited thereto and the communication unit 120 may be a vehicle. Through my communication network, for example, the CAN network, data such as ECU software update images can be transferred directly to each ECU.

Hereinafter, embodiments of a vehicle ECU software update method, an apparatus and a system for performing the same will be described in more detail with reference to FIGS. 3 to 10.

3 is a flowchart illustrating a vehicle ECU software update method according to an embodiment of the present invention, and description of the same as that described with reference to FIGS. 1 and 2 will be omitted.

Referring to FIG. 3, ECU-specific update information for each of the plurality of ECUs 10 to 15 is received and obtained from the update server 200 through a wireless communication network in step S300.

As described above, the ECU-specific update information may include software latest version information and update importance information for each ECU.

For example, in step S300, the display unit 110 requests an inquiry about the update information for each ECU of the vehicle to the communication unit 120, and in response thereto, from the update server 200 through the communication unit 120. The received ECU-specific update information may be received and stored in the memory 130.

Thereafter, for at least one of the plurality of ECUs 10 to 15, the latest software version information acquired in step S300 and the current software version information of the corresponding ECU are compared (step S320).

Here, the ECU software current version information may be collected from each ECU at the start of the vehicle.

On the other hand, the version information comparison in the step S320 may be performed for each of the plurality of ECU (10 to 15) provided in the vehicle, or may be performed only for some of them.

When the version information is different from each other as a result of the comparison (step S320), at least one of whether or not a screen is displayed on the software update-related user interface (UI) of the corresponding ECU is determined according to the update importance information obtained in step S300 ( Step S330).

That is, for an ECU in which the current software version information of the plurality of ECUs 10 to 15 does not match the latest version information, whether or not to display a user interface (UI) for updating the software of the corresponding ECU on the screen. At what point it may be determined in step S330.

For example, if the software update of the ECU is set to the update server 200 as very important. In order that the corresponding ECU software update can be carried out essentially immediately, the display unit 110 can be processed to display the corresponding user interface (UI) immediately on the screen.

On the other hand, if the software update of the ECU is set to the update server 200 as not important. The ECU may be processed to be displayed through the display unit 110 according to the driving state of the vehicle so that the corresponding ECU software update can be selectively performed according to the user's selection or the current state of the vehicle.

According to the determination, if a user interface (UI) for updating a specific ECU software is displayed on the screen (step S340), and if a software update for the corresponding ECU is selected through the user interface (UI) (step S350), the ECU software The update image is received from the update server 200 and processed to be delivered to the corresponding ECU via the in-vehicle communication network (step S360).

For example, in step S360, the display unit 110 requests the communication unit 120 to download the software update image of the corresponding ECU, and the communication unit 120 requests the update server 200 to download therefrom. The updated image can be delivered to the ECU so that the update can be performed on its own.

Meanwhile, the ECU software update method as described with reference to FIG. 3 may be performed by the vehicle infotainment apparatus according to an embodiment of the present invention.

FIG. 4 is a timing diagram illustrating an example of a method of updating ECU software when a vehicle is started. Descriptions of the same update method as those described with reference to FIGS. 1 to 3 will be omitted below. Shall be.

Referring to FIG. 4, the ECU 13 is an ECU which is a software update target among a plurality of ECUs 10 to 15 provided in a vehicle, and the infotainment system 111 includes the display unit 110 as described above. System (eg, AVN in vehicle).

In addition, the communication control device 121 may be a device including the communication unit 120 as described above, in addition to communication with the update server 200 through a wireless communication network, communication in the vehicle (eg, CAN Communication), ECU software update image transfer, update information storage and update control, and the like.

At the start of the vehicle, that is, at the time when the vehicle is started and the driving starts, the infotainment system 111 requests the communication control apparatus 121 to inquire about update information for each ECU of the vehicle (step S400).

The communication control device 121 received an inquiry request from the infotainment system 111 requests the update server 200 for update information for each ECU of the vehicle (step S401).

In step S401, the communication control device 121 accesses the update server 200 through a wireless communication network and undergoes an authentication process, and then obtains information (eg, model, model, detailed model name, etc.) about the vehicle. It may be provided to the update server 200 to request update information (eg, ECU software latest version information and update importance information) for each of the ECUs provided in the vehicle.

In response to the request, the update server 200 checks the vehicle information provided from the communication control device 121 (step S402), and extracts the latest ECU-specific update information for all the ECUs provided in the vehicle to control the communication. Transfer to the device 121 (step S403).

The communication control device 121 transmits ECU-specific update information transmitted from the update server 200 to the infotainment system 111 (step S404), and the infotainment system 111 transmits ECU-specific information transmitted from the communication control device 121. The update information is stored in the memory 130 (step S405).

Meanwhile, the infotainment system 111 requests software current version information for each of the plurality of ECUs 10 to 15 provided in the vehicle (step S406), and receives and collects software current version information for each ECU (S407). step).

The ECU-specific software current version information as described above is collected from the respective ECUs using an in-vehicle communication network (for example, CAN communication), and the collected ECU-specific software current version information is stored in the memory 130. (Step S408).

Thereafter, the infotainment system 111 compares the software latest version information of the ECU 13 stored in the memory 130 with the software current version information of the ECU 13 stored in the memory 130 in step S408. Check whether there is a match (step S409).

If the version information coincides with the comparison result, it is determined that the software update for the ECU 13 is unnecessary.

On the other hand, if the version information does not match as a result of the comparison, the infotainment system 111 determines whether to display the user interface (UI) for updating the ECU software on the screen and at what time (step S410).

As described above, whether or not the screen of the software update related user interface (UI) is displayed may be determined based on software update importance information on the corresponding ECU 13, and the update importance information may be determined by the update server 200. It may be set in advance.

According to an embodiment of the present invention, when the update importance level for a specific ECU has a first value, it may be determined that a user interface (UI) including an object for checking the user's update along with software version information is displayed on the screen immediately. Can be.

Referring to FIG. 5, when the software update importance level for the ECU 13 is "upper", a user interface including software version information (latest and old version information), correction information due to the update, other additional information, and the like. 500 may be immediately displayed on the screen of the infotainment system 111.

For example, if the comparison result in step S409 determines that the current version of the ECU 13 whose software update importance level is "upper" does not match the latest version, the user interface 500 as shown in FIG. May be provided on the screen of the infotainment system 111.

In this case, the user interface 500 provided on the screen of the infotainment system 111 is provided with only a "confirmation" button 510 for the user to confirm the contents of the corresponding ECU software update, so that the user can cancel the update or You cannot postpone it later.

On the other hand, when the update importance level for a particular ECU has a second value, it may be determined that a user interface (UI) including an object for selecting an update of the user together with the software version information is displayed on the screen according to the driving state of the vehicle. .

Referring to FIG. 6, when the software update importance level for the ECU 13 is "medium", the user interface includes software version information (latest and old version information), correction information due to the update, other additional information, and the like. 500 may be displayed on the screen of the infotainment system 111.

For example, if the comparison result in step S409 confirms that the current version of the ECU 13 whose software update importance level is "medium" does not match the latest version, the user interface as shown in FIG. 6 during the vehicle stopping. 500 may be provided on the screen of the infotainment system 111.

In this case, the user interface 500 provided on the screen of the infotainment system 111 includes a "install update" button 520 and a "skip update" button 430 for the user to select whether to update the ECU software. Provided, the user can agree or cancel the update.

In addition, the user interface 500 may be provided with a “notify me again” button 540 so that the user interface 500 as shown in FIG. 6 may be set to be displayed on the screen of the infotainment system 111 later.

When the update importance level for the ECU has a third value, a user interface (UI) including a first object for selecting an update for the user and a second object for selecting a later notification together with the software version information is operated by the vehicle. It may be determined to be displayed on the screen according to the state.

Referring to FIG. 7, when the software update importance level for the ECU 13 is "low", a user interface including software version information (latest and old version information), correction information due to the update, other additional information, and the like. 500 may be displayed on the screen of the infotainment system 111 or may be processed so as not to be displayed on the screen according to a driving state of the vehicle.

For example, if the comparison result in step S409 determines that the current version of the ECU 13 having the software update importance level "low" does not match the latest version, the user interface 500 may be used while driving or stopping the vehicle. The user interface 500 as illustrated in FIG. 7 may be provided on the screen of the infotainment system 111 so as not to be displayed on the screen and when the vehicle is parked after the driving ends.

In this case, the user interface 500 provided on the screen of the infotainment system 111 includes a "install update" button 520 and a "skip update" button 430 for the user to select whether to update the ECU software. In addition to the "notify again" button 540, a "no notification" button 550 may be further provided such that software update notifications for the ECU may no longer be guided through the user interface 500.

When the software update for the ECU 13 is selected using the user interface displayed on the screen of the infotainment system 111 as described above, the infotainment system 111 updates the image necessary for updating the software of the ECU 13. Request the download of the communication control device 121 (step S411).

The communication control device 121 requests the update server 200 to download the update image of the software of the ECU 13 (step S412), and downloads the update image from the update server 200 (step S413). After verifying the update image is transmitted to the ECU (13) (S414).

The ECU 13, which has received the software update image from the communication control device 121, transmits a message indicating that the reception of the update image file is completed to the communication control device 121, and then software updates itself using the update image. Proceed to step (S415).

According to another embodiment of the present invention, when the vehicle is in operation, the ECU may request the update information for each ECU of the plurality of ECUs provided in the vehicle at a predetermined period.

FIG. 8 is a timing diagram for explaining an embodiment of a method of updating ECU software while driving a vehicle.

Referring to FIG. 8, the infotainment system 111 checks a preset request period in real time while the vehicle is driving (step S800), and inquires about the ECU-specific update information of the corresponding vehicle at a predetermined cycle in the communication control apparatus 121. In step S801.

The subsequent steps (steps S802 to S813) may be the same as the method of updating the ECU software performed at the start-up of the vehicle as described with reference to FIGS. 4 to 7.

However, since the software current version information of each of the plurality of ECUs provided in the vehicle is already collected and stored in the memory 130 at the start of the vehicle, the corresponding steps (steps S406 to S408) are performed during driving of the vehicle. May be omitted.

According to another embodiment of the present invention, when a user's request is requested to update the ECU-specific update information for a plurality of ECUs provided in the vehicle, or the ECU for the ECU selected by the user of the plurality of ECUs provided in the vehicle Update information may be requested.

9 is a timing diagram illustrating an embodiment of a method of updating ECU software in response to a user request.

Referring to FIG. 9, the infotainment system 111 receives a request for updating ECU software from a user through a user interface provided on a screen (step S900).

If there is a user update request, the infotainment system 111 requests the communication control device 121 to query the update information for each ECU for all of the plurality of ECUs provided in the vehicle (step S901).

The subsequent steps (steps S902 to S913) may be the same as the method of updating the ECU software performed at the start-up of the vehicle as described with reference to FIGS. 4 to 7.

However, since the software current version information of each of the plurality of ECUs provided in the vehicle may be collected and stored in the memory 130 at the start of the vehicle, in this case, the corresponding steps (steps S406 to S408). This can be omitted.

10 is a timing diagram for explaining an embodiment of a method of updating software of a ECU selected by a user.

Referring to FIG. 10, the infotainment system 111 receives an ECU list inquiry for a software update from a user through a user interface provided on a screen (step S1000), and displays list information including software updateable ECUs on a screen. Display (step S1001).

The user selects one or more ECUs from among the plurality of ECUs included in the list (S1002).

The detailed information on the ECU selected by the user in step S1002 may be provided using a user interface displayed on the screen of the infotainment system 111. The ECU details may be provided by software version information (latest version and Old version information), modifications resulting from the update, and other additional information.

On the other hand, the user can select a software update for the ECU using the user interface displayed on the screen of the infotainment system 111, the configuration of the user interface therefor for at least of the configuration described with reference to FIGS. It may be the same as some.

If a user specific ECU is selected to request a software update, the infotainment system 111 requests the communication control device 121 to download the update image for the corresponding ECU software (step S1003), and the communication control device 121 updates. The server 200 requests the update image download (step S1004).

Thereafter, the communication control apparatus 121 downloads the update image for the corresponding ECU software from the update server 200 (step S1005) and transfers it to the ECU 13 (step S1006).

The ECU 13 performs software update by itself using the update image received from the communication control device 121 (step S1007).

At least some of the above-described methods according to an embodiment of the present invention may be stored in a computer-readable recording medium that is produced as a program for execution in a computer. Examples of the computer-readable recording medium may include a ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device.

The computer readable recording medium can be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. In addition, functional programs, codes, and code segments for implementing the method can be easily inferred by programmers in the art to which the present invention belongs.

As such, the technical configuration of the present invention described above will be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention.

Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the foregoing detailed description, and the meaning and scope of the claims are as follows. And all changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

Claims (17)

In the method of updating the software of the ECU (Electronic Control Unit) provided in the vehicle via a wireless communication network,
Receiving and obtaining ECU-specific update information including software latest version information and update importance information for each of the plurality of ECUs from an update server through a wireless communication network;
Comparing at least one of the plurality of ECUs, the obtained software latest version information with software current version information of the ECU;
If version information is different from each other as a result of the comparison, determining at least one of whether or not a screen of a software update related user interface (UI) of the ECU is displayed according to the obtained update importance information; And
When a software update for the ECU is selected through a user interface (UI) displayed on the screen according to the determination, the software update image for the ECU is received from the update server and transmitted to the ECU through an in-vehicle communication network. Including; processing;
The determining may include determining that a user interface (UI) including an object for checking the user's update together with software version information is immediately displayed on the screen when the update importance level for the ECU has a first value. How to update ECU software. The method of claim 1, wherein the obtaining step
Requesting a communication unit for inquiry about update information for each ECU of the vehicle; And
And receiving the ECU-specific update information received from the update server through the communication unit and storing the ECU-specific update information in a memory. The method of claim 2, wherein the requesting step
The vehicle ECU software updating method of requesting to update the ECU-specific update information for the plurality of ECU during a certain period of operation of the vehicle. The method of claim 2, wherein the requesting step
If requested by the user, vehicle ECU software update method for requesting the ECU-specific update information query for the plurality of ECUs. The method of claim 2, wherein the requesting step
Vehicle ECU software update method for requesting the ECU-specific update information query for the ECU selected by the user among the plurality of ECU. The method of claim 1, wherein the software current version information of the ECU is
When the vehicle is started, the vehicle ECU software updating method received from the plurality of ECUs and stored in the memory. delete The method of claim 1, wherein the determining step
If the update importance level for the ECU has a second value, the vehicle determines that the user interface (UI) including an object for the user's update selection with the software version information to be displayed on the screen according to the driving state of the vehicle How to update ECU software. The method of claim 1, wherein the determining step
When the update importance level for the ECU has a third value, a user interface (UI) including a first object for selecting an update of a user and a second object for selecting a later notification together with software version information is operated by the vehicle. How to update the vehicle ECU software to determine to be displayed on the screen according to the status. The method of claim 1, wherein said processing step
Requesting a communication unit to download a software update image of the ECU;
The software update image of the ECU downloaded from the update server via the communication unit is transferred to the ECU and the update is performed by itself. A vehicle infotainment device for performing the method of any one of claims 1 to 6 and 8 to 10. A computer program stored on a computer readable medium for carrying out the method of any one of claims 1 to 6 and 8 to 10. delete delete delete delete delete

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