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Controller area network (CAN) bus signal transceiving analysis tool

A CAN bus and analysis tool technology, applied in the field of automotive electronics, can solve the problems of high price, inconvenient use, limited number of CAN bus signal debugging tools, etc., to achieve the effect of real-time reception

Active Publication Date: 2014-10-15
BOSCH HUAYU STEERING SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, CAN bus signal debugging tools are limited in number, expensive, and monopolized by foreign companies. At the same time, some CAN bus signal debugging tools do not have signal analysis functions and are not easy to use

Method used

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  • Controller area network (CAN) bus signal transceiving analysis tool
  • Controller area network (CAN) bus signal transceiving analysis tool
  • Controller area network (CAN) bus signal transceiving analysis tool

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Embodiment Construction

[0024] The present invention will be further described now in conjunction with accompanying drawing.

[0025] see figure 1 , The invention is a CAN bus signal sending and receiving analysis tool. The upper computer 1 is connected with the USB interface 3 of the lower computer 2 through a USB connection line, and the lower computer 2 includes a USB interface 3, an MCU single-chip microcomputer 4, a clock circuit 5, a JTAG interface circuit 6, a data buffer circuit 7, a USB interface to serial port circuit 8 and CAN bus communication circuit 9, USB interface 3 are respectively connected with the VDDPB end of MCU single-chip microcomputer 4 and the USB interface end of USB interface to serial port circuit 8, and the channel one of USB interface to serial port circuit 8 is connected with one end of data buffer circuit 7, data buffer The other end of the circuit 7 is connected to the I / O terminal of the MCU single-chip microcomputer 4, the channel 2 of the USB interface to serial ...

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Abstract

The invention relates to the technical field of automotive electronics, in particular to a controller area network (CAN) bus signal transceiving analysis tool. Compared with CAN bus signal transceiving analysis tools in the prior art, the CAN bus signal transceiving analysis tool has the advantages that the structure of the CAN bus signal transceiving analysis tool and an inner circuit structure with a clock circuit, a joint test action group (JTAG) interface circuit, a data buffering circuit, a universal serial bus (USB) interface-to-serial port circuit and a CAN bus communication circuit are designed, and thereby, CAN message sending, real-time receiving and analyzing can be achieved.

Description

technical field [0001] The invention relates to the technical field of automotive electronics, in particular to a CAN bus signal sending and receiving analysis tool. Background technique [0002] At present, CAN bus signal debugging tools are limited in number, expensive, and monopolized by foreign companies. At the same time, some CAN bus signal debugging tools do not have signal analysis functions and are not easy to use. [0003] In order to facilitate the sending, receiving and analyzing of CAN bus signals in vehicle communication-related tests and test applications when testing EPS electronic power steering systems, it is necessary to design a CAN bus that can realize the sending and real-time receiving of CAN messages and realize the analysis of CAN messages. Bus signal transceiver analysis tool. Contents of the invention [0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a CAN bus signal sending and receiving...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
Inventor 马伟孙瑞朱孝松廖新深蔡浩雄黄佳宇
Owner BOSCH HUAYU STEERING SYST CO LTD
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