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CANape-based electronic control unit flashing method and device

An electronic control unit and control unit technology, applied in the field of vehicles, can solve problems such as inability to meet large-scale software updates

Pending Publication Date: 2021-11-09
蜂巢智能转向系统(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of these flashing devices can only solve the problem of simple flashing, and cannot meet the needs of large-scale software updates in a short period of time.

Method used

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  • CANape-based electronic control unit flashing method and device
  • CANape-based electronic control unit flashing method and device
  • CANape-based electronic control unit flashing method and device

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Embodiment Construction

[0032] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0033] The present invention will be described in detail below with reference to the drawings and in combination with embodiments.

[0034] figure 1 It is a flowchart of a CANape-based electronic control unit flashing method provided by an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0035] Step S11, detecting whether the flashing conditions are met, wherein the flashing conditions include that the electronic control unit is in normal communication, the software flashing boot program in the electronic control unit supports flashing, and the software in the electronic control unit is not the target software;

[0036] Specifically, such as figure 2 As shown, the flashing structure of the present invention is that the host PC contains CANape software, which is connect...

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PUM

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Abstract

The invention relates to the technical field of vehicles, and provides a CANape-based electronic control unit flashing method and device. The CANape-based electronic control unit flashing method comprises the steps of detecting whether flashing conditions are met or not, wherein the flashing conditions comprise that communication of an electronic control unit is normal, a software flashing bootstrap program in the electronic control unit supports flashing and software in the electronic control unit is not target software; when it is detected that the flashing conditions are met, storing a flashing software package of the target software in a preset buffer based on a CANape function; and based on the CANape function, sending a flashing command to the electronic control unit so as to control completion of flashing according to the flashing software package. According to the invention, automatic batch flashing can be completed simply at low cost.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a CANape-based electronic control unit flashing method and device. Background technique [0002] When the electronic control unit (Electronic Control Unit, ECU) is delivered to the customer, the ECU software must be the latest version, so the factory needs to update the ECU in large quantities. [0003] Most of the existing flashing methods are professional customization services. Various OEMs or suppliers are looking for flashing tool customizers to customize flashing equipment, but the versatility and modifiability are extremely low, and the price is high. It is also proposed to use CANoe to develop flashing equipment. However, most of these flashing devices can only solve the problem of simple flashing, and cannot meet the update of large-scale software in a short period of time. Contents of the invention [0004] In view of this, the present invention aims to propose a C...

Claims

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Application Information

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IPC IPC(8): G06F8/65G06F8/71H04L12/26
CPCG06F8/65G06F8/71H04L43/08
Inventor 郭昊王宁宁部荣王青乔冬冬班迪·拉嘉刘文文张健
Owner 蜂巢智能转向系统(江苏)有限公司
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