The invention provides a file upgrading method and device, a vehicle machine and a vehicle. The file upgrading method comprises the steps that a vehicle machine MPU sends an upgrading request to a TBOX; the vehicle machine MCU receives a sound source file fed back by the TBOX according to the sent upgrading request through a CAN bus; the vehicle machine MCU sends the received sound source file toa vehicle machine FLASH; and after the action of sending the received sound source file to the vehicle machine FLASH by the vehicle machine MCU is completed, feeding back a downloading completion message to the vehicle machine MPU. After the sound source file is received, the TBOX can directly send the sound source file to the vehicle machine MCU through the CAN bus, and due to the fact that the transmission speed of the CAN bus is very high, file upgrading efficiency can be improved, and user experience can be improved.

    本发明提供一种文件升级方法、装置、车机及车辆,其中,所述文件升级方法包括:车机MPU向TBOX发送升级请求;车机MCU通过CAN总线接收TBOX根据所述发送升级请求而反馈的音源文件;车机MCU将接收的所述音源文件发送至车机FLASH;当车机MCU将接收的所述音源文件发送至车机FLASH的动作完成后,向所述车机MPU反馈下载完成消息。本发明的TBOX在接收到音源文件后,可直接通过CAN总线向所述车机MCU发送该音源文件,由于CAN总线的传输速度非常快,将会提高文件升级的效率,提高用户体验。


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    Titel :

    File upgrading method and device, vehicle machine and vehicle


    Weitere Titelangaben:

    一种文件升级方法、装置、车机及车辆


    Beteiligte:
    MA ZIYUAN (Autor:in)

    Erscheinungsdatum :

    2021-01-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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