KR20110035251A - Software update method for audio video navigation system in a vehicle - Google Patents

Software update method for audio video navigation system in a vehicle Download PDF

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Publication number
KR20110035251A
KR20110035251A KR1020090092882A KR20090092882A KR20110035251A KR 20110035251 A KR20110035251 A KR 20110035251A KR 1020090092882 A KR1020090092882 A KR 1020090092882A KR 20090092882 A KR20090092882 A KR 20090092882A KR 20110035251 A KR20110035251 A KR 20110035251A
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South Korea
Prior art keywords
software
update
avn system
navigation
vehicle
Prior art date
Application number
KR1020090092882A
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Korean (ko)
Inventor
김태훈
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현대모비스 주식회사
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Priority to KR1020090092882A priority Critical patent/KR20110035251A/en
Publication of KR20110035251A publication Critical patent/KR20110035251A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/30—Creation or generation of source code
    • G06F8/31—Programming languages or programming paradigms
    • G06F8/313—Logic programming, e.g. PROLOG programming language
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4494—Execution paradigms, e.g. implementations of programming paradigms data driven
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Navigation (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle AVN system, and more particularly, to a method for updating a software of an AVN system for a vehicle using a time for providing a road guidance service to the navigation of the AVN system while the vehicle is in operation. The present invention estimates the driving time of driving the vehicle without driving the vehicle off while driving the AVN system, and processes the software update at the corresponding time to process the update of the entire system software and prevent the failure of the AVN system. AVN is a software update method for the system.

Description

Software update method for Audio Video Navigation system in a vehicle}

The present invention relates to a vehicle audio-video navigation (AVN) system, and more particularly, to a software of an AVN system for updating a software of an AVN system by using a time for providing a road guidance service to the navigation of the AVN system while driving a vehicle. It is about an update method.

In general, AVN (Audio-Video Navigation) system integrates audio and multimedia equipment, provides audio service such as radio, compact disc (CD), video service such as DVD (Digital Versatile Disk) and navigation service. It is an essential electronic device.

In the conventional AVN system, when a software update is required, a software update is processed by connecting a storage medium such as a DVD or a USB to the AVN system. Such a software update method is inconvenient because the driver needs to visit the vehicle A / S center to receive the software update.

In addition, when the software update process is performed by connecting a storage medium such as DVD or USB to the AVN system, the update takes a long time and the vehicle system must be turned on for a long time for the update.

In addition, if the AVN system is turned off during the software update or for some other reason, the AVN system may be broken. In this case, the AVN system needs to be A / S.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and an object of the present invention is to estimate the travel time without turning off the vehicle when driving the AVN system while the vehicle is in operation, and to process the necessary software update of the AVN system at the corresponding travel time. An object of the present invention is to provide a software update method for a vehicle AVN system.

In addition, the present invention is to stop the failure of the AVN system by stopping the software update when reaching the position where the power of the AVN system can be turned off, such as near the gas station or destination when using the navigation of the AVN system while driving the vehicle An object of the present invention is to provide a software update method for a vehicle AVN system.

The method of the present invention for achieving the above object, if the AVN system is operating, the first step to determine whether there is software to update from the device connected to the terminal of the AVN system, and if the control unit has software to update from the device Step 2 of figuring out whether the navigation is performed by the navigation operation and when the navigation is performed in the navigation, the controller detects the destination of the navigation guidance, predicts the driving time, and selects an updateable software for the remaining driving time to update from the device. It is characterized by including three steps.

In addition, the present invention is to determine whether there is software to be updated, characterized in that to determine whether the USB terminal, DVD or Bluetooth terminal that the software to be updated is stored, and if connected, by reading a database recording the software information do.

In addition, the present invention is to select the software that can be updated for the remaining running time to update from the device, the control unit to check the database recording the software information to be updated from the device to select and update the software for each field for the remaining running time to update Selecting the updateable software and updating from the device during the remaining running time, if the vehicle enters the gas station or near the destination during the software update, the controller may copy the copied file to the AVN system. Deleting and stopping the software update operation.

Since the present invention processes the update of various software such as navigation data required in the AVN system while the vehicle is running, the user processes the software update without visiting a separate vehicle center, thereby preventing the AVN system from being broken due to a very convenient and incorrect software update. do.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

It should be noted that in the following description, only parts necessary for understanding the operation according to the present invention will be described, and descriptions of other parts will be omitted.

The present invention is a software update method of an AVN system for a vehicle which can process a software update of an AVN system while a vehicle is in progress while preventing a breakdown of the AVN system during an update and software update processing of the entire AVN system.

1 is a block diagram of an AVN system according to an embodiment of the present invention.

Referring to the drawings, the AVN system 200 according to the present invention includes a key input and a terminal unit 30, an audio player unit 40, a navigation unit 50, a video player unit 60, an AM / FM tuner unit 70, The controller 80, the video processor 90, the audio processor 100, the display 110, the DMB unit 120, the Bluetooth unit 130, and the memory 140 are configured.

The controller (microcom) 80 controls the operation of the entire AVN system and controls the software update of the present invention. The key input and terminal unit 30 inputs a user's command and is provided with a connection terminal such as a USB terminal.

The audio player unit 40 plays an audio medium such as a music CD (Compact Disk) or a music tape, the navigation unit 50 provides a road guide service, and the video player unit 60 is a DVD (Digital). A video medium such as a Versatile Disk) is reproduced, and the AM / FM tuner 70 tunes the received AM mode and FM mode signals to the audio processor 100 for reception.

The video processor 90 decodes an image signal input from the navigation unit 50 or the video player unit 60, and the image signal processed by the video processor 90 is output through the display unit 110.

The audio processor 100 decodes an audio signal input from the audio player unit 40, the navigation unit 50, and the video player unit 60, outputs the audio signal to the speaker through an amplifier, and the DMB unit 120 receives the received audio signal. The audio and video signals are input to the audio processor 100 and the video processor 90, respectively, and are output through the display 110.

The Bluetooth unit 130 wirelessly transmits and receives data to and from the terminal where Bluetooth is installed at a short distance, and the memory 140 stores and provides data and software necessary for driving the AVN system.

Although not shown, the navigation unit 50 includes a GPS antenna for receiving a GPS signal, an input terminal for receiving a pulse signal input from a vehicle speed sensor of the vehicle, a GPS signal received from a GPS antenna, a pulse signal input from a vehicle speed sensor, It includes a GPS module for calculating and outputting the position information of the vehicle by the azimuth angle detected by the built-in gyro sensor.

In addition, the navigation unit 50 is a separate memory for storing geographic information and guidance voice data, etc. for the guidance of the road, the location information of the vehicle calculated from the GPS module and the geographic information and guidance voice data read from the memory guide The video signal and the audio signal for performing the input to the audio processor 100 and the video processor 90 are respectively output through the display 110.

In the present invention, the update software is stored in the USB memory, the USB terminal, and the DVD or Bluetooth terminal partially updated during vehicle operation. The controller 80 grasps a database in which the update software information is recorded and corresponds to an updateable time. Handles software updates.

When the software is updated by copying and updating a file as in the prior art, the AVN system malfunctions or malfunctions when the vehicle is turned off. However, the present invention processes the driving time of the vehicle and starts the vehicle in the middle such as the navigation service time of the navigation system. The software update of the AVN system is processed only at the time when it is expected to continue to operate without being turned off, thereby preventing the failure of the AVN system due to the conventional software update.

In the present invention, the software update in the AVN system updates not only data of the navigation unit but also all software required by other AVN systems.

2 shows an example of a software update database according to an embodiment of the present invention.

Referring to the drawing, the update software stored in the USB memory, DVD or Bluetooth terminal has a database containing information on the list of software for each field to be updated, and includes the type and version information of the software and time information for the update. .

As a kind of software, software update items related to the entire AVN system related to map data, DMB, microcomputer, Bluetooth, etc. are available and time information for each update is provided. Select and update available software.

The control unit (microcomputer) 80 of the AVN system 200 compares the already installed software information stored in the memory 140 with the update information recorded in the above-mentioned database to identify and install the software requiring the update.

As described above, the present invention refers to the driving time required to reach the destination when the road guidance service is performed by the navigation of the AVN system 200 of the vehicle, and processes the software update at that time. To prevent malfunction.

Software update is performed by batch copying necessary files stored in USB memory or DVD or Bluetooth terminal to AVN system by field, and then deleting old files and renaming the copied files.

For example, if the files that need to be updated are a0.exe, a1.exe, b0.data, b1.data, copy them from the software stored in the connected USB terminal or DVD or Bluetooth terminal to a0_bak.exe, a1_bak.exe, b0_bak.data After saving the b1_bak.data file on the AVN system, delete the previously installed files a0.exe, a1.exe, b0.data and b1.data, and rename the newly copied file a0_bak.exe. -> a0.exe, a1_bak.exe-> a1.exe, b0_bak.data-> b0.data, b1_bak.data-> b1.data

On the other hand, if it is expected that the vehicle enters the gas station or the destination and the start-up situation occurs when the software is updated in the navigation unit 50, the controller 80 temporarily stops the software update to solve the failure of the AVN system 200. To prevent.

Temporarily stopping the software update deletes the files copied from the USB memory or DVD or Bluetooth terminal and stops the update. Therefore, the AVN system 200 operates normally even if it is restarted later. Prevent.

3 is an operational flowchart of processing a software update of an AVN system according to an embodiment of the present invention.

When the vehicle is driven in steps 310 to 320 to operate the AVN system 200, the controller 80 determines whether one of the USB memory, the DVD, or the Bluetooth terminal is connected, and when connected to the corresponding USB memory, the DVD, or the Bluetooth terminal. Determine if there is software to update.

If one of the USB memory, the DVD or the Bluetooth terminal is not connected, the software is not updated and the AVN system 200 processes the general operation.

The controller 80 stores the version information of the software currently installed in the AVN system 200 in the memory 140 and grasps it.

If it is determined in step 330 that the controller 80 has the software to be updated in one of the connected USB memory, DVD, or Bluetooth terminal, the controller 80 proceeds to step 350 to determine whether the current navigation is executed to provide the navigation service. 50).

If the current AVN system 200 does not provide the navigation service through the navigation unit 50, the update does not proceed, and if the navigation service is provided, proceed to step 360 and the estimated time to reach the destination Figure out.

If the time to reach the destination is 15 minutes in step 370, the controller 80 determines that the start time is about 15 minutes without being started off and can be updated within 15 minutes with reference to the software update database shown in FIG. Select the software. Referring to FIG. 2, the controller 80 selects Cheongdam-dong, Insa-dong map items, DMB items, and Bluetooth items to perform an update at the time of operation of the vehicle.

In step 380, the controller 80 updates the selected software within 15 minutes of the destination arrival time by batch copying the sector-specific files selected from the connected terminal, deleting the previous version file and renaming the copied file when the copy is completed. do.

If it is anticipated that the AVN system will be powered off by entering the aforementioned gas station or the destination during the software update, the controller 80 deletes the copied file and terminates the update to prevent the failure of the AVN system.

After updating the selected item in step 340, the AVN system processes the designated operation, and the controller 80 of the AVN system updates the remaining software in the above-described manner when the route guidance is performed again.

As described above, the present invention processes the software update of the AVN system by using the time predicted to continue to operate without starting off in the middle, such as a navigation service of navigation.

So far, the configuration and operation of the embodiment of the present invention have been described. The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims but also by the equivalents of the claims.

1 is a block diagram of an AVN system according to an embodiment of the present invention.

2 is a diagram illustrating an example of a software update database according to an embodiment of the present invention.

3 is a flowchart illustrating an operation of processing a software update of an AVN system according to an embodiment of the present invention.

<Description of Major Symbols in Drawing>

30: key input and terminal portion 40: audio player portion

50: navigation unit 60: video player unit

70: AM / FM tuner unit 80: control unit

Claims (7)

A first step of, if the AVN system operates, the controller to determine whether there is software to be updated from a device connected to the terminal of the AVN system; Determining, by the controller, if there is software to update from the device, the navigation is operated to guide the way; And When the navigation is performed in the navigation, the control unit grasps the destination of the navigation guidance, predicts the driving time, and selects the software that can be updated for the remaining driving time, and comprises three steps of updating from the device How to update software on your system. The method of claim 1, The controller determines whether there is software to be updated, And determining whether a USB terminal, a DVD, or a Bluetooth terminal in which the software to be updated is stored is connected, and reading the database in which the software information is recorded if connected. The method of claim 1, The software update method when the navigation is operated by the control unit to proceed with the software update, and if the navigation is not a navigation guide operation, the software update method of a vehicle AVN system, characterized in that the progress. The method of claim 1, Selecting the updateable software for the remaining running time and updating from the device, And checking, by the controller, a database that records software information to be updated from the device, selecting and updating software that can be updated for each field for the remaining driving time, and updating the software. The method of claim 1, Selecting the updateable software for the remaining running time and updating from the device, If the vehicle enters the gas station or near the destination during the software update, the control unit includes deleting the copied file from the AVN system and stops the software update operation. The method according to claim 2 or 4, The database is a software update method of a vehicle AVN system, characterized in that it contains information on the type, version and time required for the update. The method of claim 1, Selecting and updating the software, Read and copy the file of the field selected by the control unit to the AVN system, and when the copy is complete, the software update of the vehicle AVN system, characterized in that for deleting the previous file installed in the AVN system and changing the name of the copied file Way.
KR1020090092882A 2009-09-30 2009-09-30 Software update method for audio video navigation system in a vehicle KR20110035251A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110083128A1 (en) * 2009-10-02 2011-04-07 International Truck Intellectual Property Company, Llc Method for selecting software and installing same via a telematic module in a motor vehicle
KR101371743B1 (en) * 2012-10-10 2014-03-07 현대자동차(주) Method for update of software
KR20150141204A (en) 2014-06-09 2015-12-18 주식회사 엔지스테크널러지 Method and system for providing map data of navigation device
US9639346B2 (en) 2015-06-12 2017-05-02 Here Global B.V. Method and apparatus for software updates for embedded vehicle systems
KR20180106665A (en) * 2017-03-21 2018-10-01 현대자동차주식회사 Server and method for providing software update information of unit in vehicle
KR20230078056A (en) * 2021-11-26 2023-06-02 주식회사 미래이앤아이 display device for electric special vehicles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110083128A1 (en) * 2009-10-02 2011-04-07 International Truck Intellectual Property Company, Llc Method for selecting software and installing same via a telematic module in a motor vehicle
KR101371743B1 (en) * 2012-10-10 2014-03-07 현대자동차(주) Method for update of software
KR20150141204A (en) 2014-06-09 2015-12-18 주식회사 엔지스테크널러지 Method and system for providing map data of navigation device
US9639346B2 (en) 2015-06-12 2017-05-02 Here Global B.V. Method and apparatus for software updates for embedded vehicle systems
KR20180106665A (en) * 2017-03-21 2018-10-01 현대자동차주식회사 Server and method for providing software update information of unit in vehicle
KR20230078056A (en) * 2021-11-26 2023-06-02 주식회사 미래이앤아이 display device for electric special vehicles

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