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Automatic communication switching device and method

A technology of automatic switching and communication module, applied in the field of communication, can solve the problems of increasing cost, unfavorable product miniaturization, increasing product volume, etc., to achieve the effect of saving cost, realizing automatic switching of communication, and improving product competitiveness

Inactive Publication Date: 2018-11-13
FORYOU GENERAL ELECTRONICS
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] If the product is equipped with CAN interface and UART interface, it will increase the cost and increase the volume of the product, which is not conducive to the miniaturization of the product

Method used

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  • Automatic communication switching device and method

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Embodiment Construction

[0035] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. The accompanying drawings are only for reference and description, and do not constitute a limitation to the protection scope of the present invention.

[0036] Such as figure 1 As shown, the present invention provides an automatic communication switching device, including a communication interface module, a communication switching module, a first communication module, a second communication module, a first communication transceiver module, a second communication transceiver module, and a communication type judgment module;

[0037] The communication interface module is compatible with the first communication type and the second communication type, and at least one pin is multiplexed by the communication signals in the first communication type and the second communication type;

[0038] The communication switching module is used to connect the sign...

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Abstract

The invention provides an automatic communication switching device and method. By achieving function multiplexing between a CAN interface and a UART interface and reading preset information of a communication module to judge the network type, automatic communication switching is achieved, the effect that one interface not only can be connected with the CAN communication interface but also can be connected with the UART interface is achieved, an intermediate conversion circuit is not needed for CAN interface communication and UART interface communication, therefore, the cost is reduced, and theproduct competitiveness is improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a communication automatic switching device and method. Background technique [0002] CAN and UART are standard communication protocols, and their corresponding CAN interfaces and UART interfaces have been widely used in various electronic products. When various manufacturers design products, some products are equipped with a CAN communication interface, some are equipped with a UART communication interface, or both CAN and UART communication interfaces are configured at the same time. [0003] If product A is configured with a CAN interface, and product B is configured with a UART interface, to realize communication between product A and product B, the CAN signal output by A must be converted into a UART signal, and then transmitted to product B, and CAN and UART are added between A and B signal converters and vice versa. [0004] If the product is equipped with CAN inter...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L29/06
CPCH04L12/40032H04L69/18H04L2012/40215
Inventor 李炳光蒋才科张晓龙
Owner FORYOU GENERAL ELECTRONICS
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