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IEEE-1394b bus and CAN bus protocol converter based on microprocessor

A CAN bus and protocol converter technology, applied in the field bus field, can solve the problems of IEEE-1394b bus interface products that cannot be communicated and interconnected

Inactive Publication Date: 2012-11-14
BEIHANG UNIV
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Problems solved by technology

[0006] The present invention provides a kind of IEEE-1394b bus and CAN bus protocol converter based on microprocessor, to solve existing CAN bus and IEEE-1394b bus technology, there are CAN bus interface products and IEEE-1394b bus interface products The problem of not being able to communicate with each other

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  • IEEE-1394b bus and CAN bus protocol converter based on microprocessor
  • IEEE-1394b bus and CAN bus protocol converter based on microprocessor
  • IEEE-1394b bus and CAN bus protocol converter based on microprocessor

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described further: this IEEE-1394b bus line and CAN bus line protocol converter based on microprocessor comprise following hardware and software.

[0024] figure 1 It is a schematic diagram of the structure of the bus protocol converter, including CAN bus interface connected to CAN bus and IEEE-1394b bus interface connected to IEEE-1394b bus, CAN bus controller, IEEE-1394b bus controller, photoelectric conversion module, microprocessor and peripheral circuit modules. The CAN bus controller implements the support of the CAN protocol for receiving and sending CAN data; the IEEE-1394b bus controller includes an IEEE-1394b link layer controller and a physical layer transceiver for receiving and sending IEEE-1394b data ; The photoelectric conversion module can be used to complete the photoelectric and electro-optical conversion of IEEE-1394b signals, and establish the connection ...

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Abstract

The invention provides an IEEE-1394b bus and CAN bus protocol converter based on microprocessor, belonging to the field bus technical field. The protocol converter comprises a CAN bus interface connected with CAN bus and an IEEE-1394b bus interface connected with IEEE-1394b bus, a microprocessor is respectively connected with the CAN bus interface and the IEEE-1394b bus interface by a CAN bus controller and an IEEE-1394b bus controller, and the protocol converter also comprises a photoelectric conversion module and a periphery circuit module for realizing IEEE-1394b fiber connection. The microprocessor is embedded with software for successful conversion of protocol, thus realizing butt joint of data of the two networks. The invention adopts the microprocessor to control the interconverionof CAN bus protocol and IEEE-1394b bus protocol, solves the communication interconnection problem of CAN bus interface product and IEEE-1394b bus interface product and has the characteristics of fasttransmission speed, good timeliness, large upgrading space and wide application field.

Description

technical field [0001] The invention relates to a microprocessor-based IEEE-1394b bus and CAN bus protocol converter, belonging to the field bus technology field. Background technique [0002] CAN bus network is a serial communication network that effectively supports distributed control or real-time control, and is mainly used for data communication between automotive internal testing and control instruments. CAN bus has the advantages of strong real-time performance, high reliability, simple structure, good interoperability, and low price, and has been widely used in vehicle electronics, industrial control and other fields. [0003] The IEEE-1394 bus is a high-performance serial bus proposed by Apple in 1986 to simplify the connection of computers, replace the SCSI protocol interface, and provide a high-speed interface for real-time digital data transmission. At present, the latest application specification is IEEE-1394b. The IEEE-1394b bus has the advantages of good real...

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Application Information

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IPC IPC(8): H04L29/06H04L12/40
Inventor 张春熹文怀涛杨玉生李立京刘薇郑俊杰郭袆倩
Owner BEIHANG UNIV
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