| Recent years, while the technology of CAN BUS becomes more and more popular, and the demand of CAN Bus becomes more and more important; people put much more attention to the development and exploration of CAN BUS technology. The technology of CAN BUS has really high speed of transfer and really high anti- electromagnetisms interfere. In addition, it can check out any error during processing. The technology of CAN BUS is applying mainly in the industry of automobile, manufacturing and navigation production.VxWorks has been used on target, and it has high performance, also it is the Real Time Operational System and could be reduced and be implanted at the same time. This technology is really reliable and has excellent real time application and usage. It has been widely used in communication, military affairs, navigation, spaceflight and many other high end technology industries.This paper is emphasis on the transplant of VxWorks's internal control system to CAN BUS's mater control system in order to make navigation system into reality. This paper starts from the internal structure of VxWorks, then the control of its task management, as well as task communication and usability, etc. This paper also has the analysis of CAN BUS's advantage and characteristics, in addition, it introduces the main control system of CAN BUS and SJA 1000's structure and register system. At last, it has a detailed explanation of CAN BUS's realization in the information technology's navigation system.According to the expiation and analysis of CAN BUS system, this paper finally achieves the realization of VxWorks internal system's transplantation. It also has detailed testing on the system hardware and software.Basing on the system analysis and the real time performance of CAN BUS technology, as well as the discussion of the operation of inserting process, this paper bring out the exploration of this technology's real-time operation. This paper has significant meaning on the exploration of CAN BUS technology. |
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