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Vehicle-mounted Ethernet data conversion method, device, equipment and medium

A conversion method and Ethernet technology, applied in the field of equipment and media, vehicle Ethernet data conversion method, and devices, can solve the problems of inability to connect to vehicle Ethernet, inconvenient development and debugging, and inability to meet high-speed transmission of large data volumes, etc.

Active Publication Date: 2021-09-03
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increase in the number of electronic control units (Electronic Control Unit, referred to as ECU) and sensors in vehicles and the increase in data volume, the demand for in-vehicle network bandwidth is also increasing. The original in-vehicle network, such as: controller area network (Controller Area Network, referred to as CAN), local interconnection network, and vehicle network standards have been unable to meet the needs of high-speed transmission of large data volumes such as advanced driver assistance systems, audio-visual entertainment, automatic driving, and Internet of Vehicles. Therefore, automotive Ethernet is used in vehicles more and more widely used
[0003] When developing and debugging vehicle-mounted Ethernet-related equipment and systems, vehicle manufacturers and equipment suppliers need to connect a personal computer (PC) to the vehicle-mounted Ethernet, and the interface of the vehicle-mounted Ethernet is a single-pair twisted pair. It is not the 8-wire Registered Jack (RJ) 45 connector interface of the traditional Ethernet, so that the vehicle Ethernet cannot be directly connected to the PC, which brings great inconvenience to the development and debugging

Method used

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  • Vehicle-mounted Ethernet data conversion method, device, equipment and medium
  • Vehicle-mounted Ethernet data conversion method, device, equipment and medium
  • Vehicle-mounted Ethernet data conversion method, device, equipment and medium

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0027] figure 1 It is a flow chart of a vehicle Ethernet data conversion method provided by Embodiment 1 of the present invention, and this embodiment is applicable to the case of converting vehicle Ethernet data. The vehicular Ethernet data conversion method provided in this embodiment can be executed by the vehicular Ethernet data conversion device provided in the embodiment of the present invention, the device can be realized by means of software and / or hardware, and integrated in the electronic device that executes the method . Wherein, the electronic device may be a vehicle, or other electronic devices externally connected to the vehicle.

[0028] see figure 1 , the method of this embodiment includes but not limited to the following steps:

[0029] S110. Receive vehicle Ethernet data of the vehicle collected by the vehicle Ethernet PHY through the first Ethernet MAC interface.

[0030] Wherein, a System on Chip (SOC for short) can be understood as an integrated circui...

Embodiment 2

[0053] Figure 2A It is a flow chart of a vehicle Ethernet data conversion method provided by Embodiment 2 of the present invention. The embodiments of the present invention are optimized on the basis of the foregoing embodiments. Optionally, this embodiment explains in detail the process of forwarding the vehicle Ethernet data to the Ethernet PHY through the corresponding second Ethernet MAC interface.

[0054] see Figure 2A , the method of this embodiment includes but not limited to the following steps:

[0055] S210. Receive vehicle Ethernet data of the vehicle collected by the vehicle Ethernet PHY through the first Ethernet MAC interface.

[0056] Exemplary, Figure 2B It is a schematic diagram of the connection circuit between the vehicle-mounted Ethernet PHY and the first Ethernet MAC interface in the method provided by Embodiment 2 of the present invention. As an example, an implementation is given, such as Figure 2B Shown:

[0057] CRSDV pin indicates: receive ...

Embodiment 3

[0091] image 3 A schematic structural diagram of a vehicle-mounted Ethernet data conversion device provided in Embodiment 3 of the present invention, as shown in image 3 As shown, the device may include:

[0092] The data acquisition module 310 is used to receive the vehicle-mounted Ethernet data of the vehicle collected by the vehicle-mounted Ethernet physical layer transceiver chip PHY through the first Ethernet MAC interface;

[0093] The sending module 320 is configured to forward the vehicle Ethernet data to the Ethernet PHY through the corresponding second Ethernet MAC interface to obtain converted data, so that the Ethernet PHY sends the converted data to computer side.

[0094] The technical solution provided by this embodiment first receives the vehicle-mounted Ethernet data collected by the vehicle-mounted Ethernet PHY through the first Ethernet MAC interface, and then forwards the vehicle-mounted Ethernet data to the Ethernet through the corresponding second Eth...

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Abstract

The embodiment of the invention discloses a vehicle-mounted Ethernet data conversion method and device, equipment and a medium. The method comprises the following steps: receiving vehicle-mounted Ethernet data of a vehicle acquired by a vehicle-mounted Ethernet physical layer transceiver chip PHY through a first Ethernet MAC interface; and forwarding the vehicle-mounted Ethernet data to an Ethernet PHY (Physical Layer) through a corresponding second Ethernet MAC (Media Access Control) interface to obtain converted data, so that the Ethernet PHY sends the converted data to a computer end. According to the technical scheme provided by the embodiment of the invention, data conversion from the vehicle-mounted Ethernet to the traditional Ethernet can be realized.

Description

technical field [0001] Embodiments of the present invention relate to the field of computer technology, and in particular, to a method, device, device and medium for converting vehicle-mounted Ethernet data. Background technique [0002] With the increase in the number of electronic control units (Electronic Control Unit, referred to as ECU) and sensors in vehicles and the increase in data volume, the demand for vehicle network bandwidth is also increasing. The original vehicle network, such as: controller area network (Controller Area Network, referred to as CAN), local interconnection network, and vehicle network standards have been unable to meet the needs of high-speed transmission of large amounts of data such as advanced driver assistance systems, audio-visual entertainment, automatic driving, and Internet of Vehicles. Therefore, automotive Ethernet is used in vehicles application is becoming more and more widespread. [0003] When developing and debugging automotive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/12H04L67/565H04L67/568
Inventor 胡博春周时莹王强赵目龙王宗罡于继成
Owner CHINA FIRST AUTOMOBILE
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