WO2013140569A1 - Dispositif monté dans un véhicule, procédé de commande de démarrage pour un dispositif monté dans un véhicule et programme de commande de démarrage - Google Patents

Dispositif monté dans un véhicule, procédé de commande de démarrage pour un dispositif monté dans un véhicule et programme de commande de démarrage Download PDF

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Publication number
WO2013140569A1
WO2013140569A1 PCT/JP2012/057316 JP2012057316W WO2013140569A1 WO 2013140569 A1 WO2013140569 A1 WO 2013140569A1 JP 2012057316 W JP2012057316 W JP 2012057316W WO 2013140569 A1 WO2013140569 A1 WO 2013140569A1
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WO
WIPO (PCT)
Prior art keywords
memory
activation
vehicle
portable device
vehicle device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2012/057316
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English (en)
Japanese (ja)
Inventor
直樹 萩野矢
晃一 平田
宮川　純一
匡生 岡田
慎太郎 古畑
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Pioneer Corp
Original Assignee
Pioneer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corp filed Critical Pioneer Corp
Priority to PCT/JP2012/057316 priority Critical patent/WO2013140569A1/fr
Publication of WO2013140569A1 publication Critical patent/WO2013140569A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the present invention relates to start-up processing for in-vehicle devices.
  • in-vehicle devices store programs and data required for activation (hereinafter referred to as “activation data”) in a nonvolatile memory such as a flash memory.
  • activation data data required for activation
  • the in-vehicle device reads the start-up data stored in the nonvolatile memory, develops it in a memory such as a DRAM, and performs start-up processing using this.
  • the data transfer rate from the flash memory is slow compared to a DRAM used as a normal memory, it takes time to start up the in-vehicle device.
  • the capacity limitation when the activation data is stored in the flash memory in a compressed state, it takes time to activate the in-vehicle device.
  • Patent Document 1 describes an in-vehicle electronic device control device that includes a backup memory that stores necessary data when the power supply voltage of the RAM drops below a semi-reset voltage higher than the total reset voltage.
  • An object of the present invention is to speed up the startup of an in-vehicle device. Another object of the present invention is to reduce unnecessary power consumption inside the in-vehicle device.
  • the invention described in claim 1 is an in-vehicle device capable of communicating with a portable device having a power source and a portable device memory, and a non-volatile memory storing activation data necessary for activation of the in-vehicle device;
  • a startup data storage means for storing the startup data in the portable device memory when the power is turned off, and when the startup data is stored in the portable device memory when the power of the in-vehicle device is turned on.
  • an activation means for activating the in-vehicle device is an in-vehicle device.
  • the invention according to claim 6 can be communicated with a portable device having a power source and a portable device memory, and is executed by an in-vehicle device having a non-volatile memory storing startup data necessary for starting the in-vehicle device.
  • a device activation control method wherein an activation data storage step of saving the activation data in the portable device memory when the power of the in-vehicle device is turned off, and the activation data when the power of the in-vehicle device is turned on Is stored in the portable device memory, the vehicle-mounted device is activated using the activation data stored in the portable device memory, and when the activation data is not stored in the portable device memory, the And a start-up step of starting the in-vehicle device using the start-up data stored in the non-volatile memory.
  • the invention described in claim 7 can be communicated with a portable device having a power source and a portable device memory, and is executed by the in-vehicle device having a non-volatile memory and a computer that store startup data necessary for starting the on-vehicle device.
  • An in-vehicle device activation control program when the in-vehicle device is powered off, the activation data storage step for storing the activation data in the portable device memory, and when the in-vehicle device is powered on, When the activation data is stored in the portable device memory, the vehicle-mounted device is activated using the activation data stored in the portable device memory, and the activation data is not stored in the portable device memory. Starting the in-vehicle device using the startup data stored in the non-volatile memory, and causing the computer to execute And butterflies.
  • an in-vehicle device capable of communicating with a portable device having a power source and a portable device memory includes a non-volatile memory storing startup data necessary for starting the in-vehicle device, and a power source of the in-vehicle device.
  • a start-up data storage means for storing the start-up data in the portable device memory when turned off, and when the start-up data is stored in the portable device memory when the vehicle-mounted device is powered on The vehicle-mounted device is activated using the activation data stored in the portable device memory, and when the activation data is not stored in the portable device memory, the vehicle-mounted device is activated using the activation data stored in the nonvolatile memory.
  • the above-mentioned in-vehicle devices are configured to be able to communicate with portable devices.
  • the power of the in-vehicle device is turned off, activation data for activating the in-vehicle device is transferred to the portable device by communication and stored in the portable device memory.
  • the in-vehicle device confirms whether there is activation data in the portable device memory, and performs activation processing using the activation data if there is.
  • activation processing is performed using the activation data stored in the nonvolatile memory of the in-vehicle device.
  • the portable device memory is a volatile memory that is supplied with power from a power source inside the portable device.
  • the vehicle-mounted device can be activated earlier than the activation data is read from the nonvolatile memory of the vehicle-mounted device.
  • the activation data stored in the nonvolatile memory is compressed data, and the activation unit is configured to store the activation data when the activation data is not stored in the portable device memory.
  • the startup data stored in the nonvolatile memory is expanded and used. In this aspect, when using the startup data stored in the nonvolatile memory of the in-vehicle device, the decompression process is required. In comparison, it is possible to start up at higher speed by using the startup data stored in the portable device memory.
  • the activation data storage unit displays the activation data stored in the portable device on the display unit of the portable device after saving the activation data in the portable device memory. Let In this aspect, since the user can know that the activation data of the in-vehicle device is stored in the portable device, the user can erase the activation data as necessary.
  • the time required for the activation means to acquire the activation data from the portable device memory by communication is shorter than the time required for the activation means to acquire the activation data from the nonvolatile memory.
  • the communication is possible with a portable device having a power source and a portable device memory, and is executed by the in-vehicle device having a non-volatile memory storing start-up data necessary for starting the in-vehicle device.
  • the in-vehicle device activation control method includes an activation data storage step for storing the activation data in the portable device memory when the in-vehicle device is powered off, and the activation data when the in-vehicle device is powered on.
  • the vehicle-mounted device is activated using the activation data stored in the portable device memory, and when the activation data is not stored in the portable device memory, the A startup step of starting the in-vehicle device using the startup data stored in the non-volatile memory.
  • a vehicle-mounted device having a computer and a non-volatile memory capable of communicating with a portable device having a power source and a portable device memory and storing activation data necessary for activation of the vehicle-mounted device.
  • the in-vehicle device activation control program to be executed includes an activation data storage step for storing the activation data in the portable device memory when the in-vehicle device is powered off, and when the in-vehicle device is powered on, When the activation data is stored in the portable device memory, the vehicle-mounted device is activated using the activation data stored in the portable device memory, and the activation data is not stored in the portable device memory.
  • FIG. 1 shows the configuration of an in-vehicle device according to an embodiment of the present invention.
  • the in-vehicle device 20 is connected to the portable device 10 so as to be communicable.
  • the in-vehicle device 20 is, for example, a navigation device or an audio device.
  • the in-vehicle device 20 includes a CPU 21, a USB (Universal Serial Bus) 22, a memory 23, a flash memory 24, and a voltage converter 25.
  • the CPU 21 executes various processes by the in-vehicle device 20 by executing a program prepared in advance.
  • the USB 22 is an interface unit for communicating with the mobile device 10 and is connected to the mobile device 10 via the USB cable 3.
  • the memory 23 is composed of, for example, a DRAM and functions as an internal memory when the in-vehicle device 20 performs various processes.
  • the flash memory 24 is a non-volatile memory for storing necessary data when the power of the in-vehicle device 20 is turned off. Specifically, the flash memory 24 stores activation data necessary for activation of the in-vehicle device. From the viewpoint of the storage capacity of the flash memory 24, the startup data may be stored in a compressed state.
  • the voltage converter 25 is connected to the external battery 5 and converts the voltage of the power supplied by the battery 5 into a voltage used inside the in-vehicle device 20.
  • the battery 5 is a 12V power source installed in the vehicle.
  • the portable device 10 is a portable terminal device such as a smartphone or an audio player, and includes a CPU 11, a USB 12, a memory 13, and a battery 14.
  • the CPU 11 executes various processes by the mobile device 10 by executing a program prepared in advance.
  • the USB 12 is an interface unit for communicating with the in-vehicle device 20, and is connected to the in-vehicle device 20 through the USB cable 3.
  • the memory 13 is composed of, for example, a DRAM and holds data necessary for various processes in the portable device 10.
  • the battery 14 is an internal battery of the mobile device 10 and supplies power to each component in the mobile device 10. The battery 14 is always charged to some extent when the mobile device 10 is used. Alternatively, it is also possible to charge the battery 14 of the mobile device 10 by sending power from the battery 5 on the in-vehicle device 20 side to the mobile device 10.
  • the memory 13 of the mobile device 10 corresponds to the mobile device memory of the present invention.
  • the flash memory 24 of the in-vehicle device 20 corresponds to a non-volatile memory
  • the CPU 21 corresponds to a data storage unit and an activation unit.
  • the in-vehicle device 20 reads the activation data stored in the flash memory 24, expands it in the memory 23, and executes the activation process.
  • reading data from the flash memory 24 is generally slower than a DRAM or the like, and thus it takes time to start up the in-vehicle device 20.
  • the decompression process is also performed, so that it takes more time to activate the in-vehicle device 20.
  • the in-vehicle device 20 stores the activation data in the memory 13 of the mobile device 10. And when the portable device 10 is connected at the time of starting and the starting data are preserve
  • the data transfer speed between the in-vehicle device 20 and the portable device 10 is transferred from the flash memory 24 to the memory 23. It is configured to be faster than the data transfer rate.
  • the in-vehicle device 20 is activated, the activation data is read from the memory 13 of the portable device 10 and the memory is longer than the time required to read the activation data from the flash memory 24 of the in-vehicle device 20 and expand it in the memory 23. It is configured so that the time required for development to 23 is shorter.
  • the portable device 10 when the portable device 10 is connected and the activation data is stored in the memory 13 of the portable device 10, the activation data stored in the flash memory 24 of the in-vehicle device 20 is used.
  • the startup of the in-vehicle device 20 can be speeded up.
  • the USB in this embodiment satisfies this condition.
  • high-speed wireless communication called Wi-Fi (Wireless Fidelity) may be used.
  • the startup data of the in-vehicle device 20 is also stored in the memory 13 of the mobile device 10.
  • the memory 13 of the mobile device 10 is originally prepared for storing data used for processing in the mobile device 10, and unnecessary data is stored in the memory 13 of the mobile device 10. Is not preferred. Therefore, when the in-vehicle device 20 stores the activation data in the memory 13 of the portable device 10, the activation data is stored in the portable device 10 by displaying a message indicating that on the display unit of the in-vehicle device 10. It is preferable to tell the user that he / she is. As a result, the user can delete the activation data stored in the mobile device 10 as necessary.
  • FIG. 2 is a flowchart of the activation process. This process is realized by the CPU 21 of the in-vehicle device 20 executing a program prepared in advance. Specifically, the CPU 21 executes this process every time the on-vehicle device 20 is turned on. As a premise, it is assumed that the mobile device 10 is connected to the in-vehicle device 20 as shown in FIG.
  • the CPU 21 determines whether or not there is activation data in the memory 13 of the portable device 10 (step S11). When there is activation data in the memory 13 of the portable device 10 (step S11; Yes), the CPU 21 reads the activation data stored in the memory 13 of the portable device 10 into the memory 23 and activates the in-vehicle device 20 (step S12). . On the other hand, when there is no activation data in the memory 13 of the portable device 10 (step S11; No), the CPU 21 reads the activation data stored in the flash memory 24 into the memory 23 and activates the in-vehicle device 20 (step S13).
  • step S14 When activated in this way, the in-vehicle device 20 executes various processes in accordance with the user's input / instruction (step S14). Next, the CPU 21 determines whether or not the user has instructed the power-off of the in-vehicle device 20 (step S15). If the power-off instruction has not been given (step S15; No), the CPU 21 returns to step S14.
  • step S15 when an instruction to turn off the power is given (step S15; Yes), the CPU 21 can make the startup in the memory 13 of the mobile device 10 all in the memory 23 of the in-vehicle device 20 or a part of the startup that can be accelerated at the next startup. Is stored (step S16). At this time, as described above, the CPU 21 may instruct the mobile device 10 to display on the display unit of the mobile device 10 that the activation data is stored in the memory 13 of the mobile device 10. .
  • the CPU 21 performs an end process necessary for powering off the in-vehicle device 20 and turns off the power (step S17). Thus, the startup process ends.
  • the activation process of the present embodiment when the in-vehicle device 20 is connected to the portable device 10 and activation data is stored in the portable device 10, activation is performed using the activation data. By doing so, it becomes possible to start the in-vehicle device 20 at high speed.
  • the CPU 11 of the portable device 10 stores the activation data transmitted from the in-vehicle device 20 in the memory 13.
  • the CPU 21 of the in-vehicle device 20 compresses the data read from the memory 23
  • the CPU 21 of the mobile device 10 uses the activation data as it is. Save in the memory 13.
  • the CPU 11 may store the startup data in the memory 13 as it is.
  • the activation data received from the in-vehicle device 20 may be compressed by the CPU 11 on the mobile device 10 side and stored in the memory 13. That is, the startup data for the in-vehicle device 20 stored in the memory 13 of the mobile device 10 has two types of compression and non-compression.
  • the CPU 21 on the in-vehicle device 20 side performs the first stage compression. Is sent to the mobile device 10 and the CPU 11 on the mobile device 10 side performs the second-stage compression processing, because the CPU 11 and CPU 21 are used as the CPUs for the compression processing. Efficiency.
  • the CPU 11 on the portable device 10 side or the CPU 21 of the in-vehicle device 20 that decompresses the compressed data.
  • both the CPU 11 and the CPU 21 may be used for efficiency.
  • the mobile device 10 periodically checks whether the activation data of the in-vehicle device 20 is stored in the memory 13, and if it is stored in units such as several months, that fact is used. You may notify the person. As a result, the user can erase the activation data 13 as necessary, and can prevent the memory 13 of the portable device 10 from being occupied unnecessarily. Alternatively, after the in-vehicle device 20 is activated, a command for erasing may be transmitted from the in-vehicle device 20 to the portable device 10 to erase the activation data for the in-vehicle device 20 in the memory 13 of the portable device 10.
  • the present invention can be used for car navigation devices, audio devices and other in-vehicle devices.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stored Programmes (AREA)
PCT/JP2012/057316 2012-03-22 2012-03-22 Dispositif monté dans un véhicule, procédé de commande de démarrage pour un dispositif monté dans un véhicule et programme de commande de démarrage Ceased WO2013140569A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/057316 WO2013140569A1 (fr) 2012-03-22 2012-03-22 Dispositif monté dans un véhicule, procédé de commande de démarrage pour un dispositif monté dans un véhicule et programme de commande de démarrage

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Application Number Priority Date Filing Date Title
PCT/JP2012/057316 WO2013140569A1 (fr) 2012-03-22 2012-03-22 Dispositif monté dans un véhicule, procédé de commande de démarrage pour un dispositif monté dans un véhicule et programme de commande de démarrage

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352409A (ja) * 2005-06-15 2006-12-28 Matsushita Electric Ind Co Ltd 車載機器制御システム、乗車位置情報通知装置、携帯端末装置及び車載機器制御装置
JP2007226284A (ja) * 2006-02-21 2007-09-06 Matsushita Electric Ind Co Ltd 車載情報端末装置及び情報端末システム
WO2009072196A1 (fr) * 2007-12-05 2009-06-11 Fujitsu Limited Terminal portable et dispositif embarqué
JP2009132266A (ja) * 2007-11-30 2009-06-18 Nissan Motor Co Ltd 車両状態報知システム及び車両状態の報知方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352409A (ja) * 2005-06-15 2006-12-28 Matsushita Electric Ind Co Ltd 車載機器制御システム、乗車位置情報通知装置、携帯端末装置及び車載機器制御装置
JP2007226284A (ja) * 2006-02-21 2007-09-06 Matsushita Electric Ind Co Ltd 車載情報端末装置及び情報端末システム
JP2009132266A (ja) * 2007-11-30 2009-06-18 Nissan Motor Co Ltd 車両状態報知システム及び車両状態の報知方法
WO2009072196A1 (fr) * 2007-12-05 2009-06-11 Fujitsu Limited Terminal portable et dispositif embarqué

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