Multi-device program writing method and system based on high frequency communication

A high-frequency, communication technology, used in general control systems, control/regulation systems, testing/monitoring control systems, etc., to solve problems such as inconvenient connection, low efficiency, and large software

Active Publication Date: 2017-01-18
WUHAN AOZE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The stand-alone flashing program method based on CAN bus has the following defects: Although the manufacturer of the vehicle controller does not need to remove the shell and bracket of the product, the flashing method is one-to-one flashing. Now the controller has many integrated functions, and the software It is relatively large. If there are many vehicles that need to be upgraded, the single-machine flashing method is relatively inefficient and time-consuming
Especially some large construction machinery is not easy to connect or the connection is too long

Method used

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  • Multi-device program writing method and system based on high frequency communication
  • Multi-device program writing method and system based on high frequency communication
  • Multi-device program writing method and system based on high frequency communication

Examples

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Embodiment Construction

[0049] Such as figure 1 As shown, a system based on high-frequency communication multi-machine flash program, which includes:

[0050] Host, multiple extensions, USB / CAN tools, host computer, multiple OBD interfaces, multiple gateways;

[0051] The host includes the high-frequency sending unit of the host, the MCU of the host, the high-frequency receiving unit of the host, the CAN interface unit of the host, and the LED indicator unit of the host; the high-frequency sending unit of the host, the high-frequency receiving unit of the host, and the CAN interface of the host The unit and the LED indicator unit of the host are electrically connected to the MCU of the host respectively; the CAN interface unit of the host is connected to the USB / CAN tool at the same time; the USB / CAN tool is connected to the upper computer at the same time.

[0052] The extension includes the high-frequency sending unit of the extension, the high-frequency receiving unit of the extension, and the C...

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Abstract

The invention provides a multi-device program writing method and system based on high frequency communication. The system comprises a host, sub machines, a USB/CAN tool, a host computer, OBD interfaces and gateways; the host comprises a host MCU, and a host high frequency sending unit, a host high frequency receiving unit, a host CAN interface unit and a host LED indication unit connected with the host MCU; the host CAN interface unit is connected with the USB/CAN tool; the USB/CAN tool is connected with the host computer at the same time; each sub device comprises a sub-device high frequency sending unit, a sub-device high frequency receiving unit and a sub-device CAN interface unit; the sub-device CAN interface unit is connected with the OBD interface; the sub-device high frequency sending unit is connected with the host high frequency receiving unit; the sub-device high frequency unit is connected with the host high frequency sending unit; and the OBD interfaces are connected with a product via the gateways.

Description

technical field [0001] The invention relates to the technical field of flashing system for automobile functions, in particular to a method and system for flashing programs of multiple machines based on high-frequency communication. Background technique [0002] Due to the complexity of the vehicle's operating environment, the on-board controller has certain requirements for airtightness and waterproofness, so most controllers are protected by shells with high protection levels. In the vehicle development and later maintenance stages, the control strategy program needs to be updated. If the method of dismantling the shell and flashing the program through the emulator is used, it will not only take time and effort, but also affect the development of the on-board controller, and may also affect the performance debugging of the vehicle. The traditional way to solve software failures is to dismantle the bad ECU, replace it with a new one, and then return the bad ECU to the origin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 赵波李鄂胜严新俊董楚卿
Owner WUHAN AOZE ELECTRONICS
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