Design and Implement of CAN bus Based Virtual Ethernet Interface

doi:10.3780/j.issn.1000-758X.2012.01.006

Chinese Space Science and Technology ›› 2012, Vol. 32 ›› Issue (1): 36-42.doi: 10.3780/j.issn.1000-758X.2012.01.006

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Design and Implement of CAN bus Based Virtual Ethernet Interface

DONG Shao-Jin^1,2, LIU Bo¹, YU Wan-Rong¹, ZHAO Bao-Kang¹

(1 CollegeofComputer,NationalUniversityofDefenseTechnology,Changsha410000)
(2 Xi′anTeleCommunicationCollege,Xi′an710106)

Received:2010-11-30 Revised:2012-02-25 Published:2012-02-25 Online:2012-02-25

Abstract

Abstract: In order to transfer IP packets between various satellite payloads through CAN bus, the IPoverCAN mechanism was proposed to virtualize the CAN bus.Through the mapping of IP address and CAN address, IP fragmentation and reassembly, management of multi-buffer queue, the mechanism abstractsthe CAN device as virtual standard Ethernet interface. The experiments results on real embedded platform show that the mechanism can transfer the CANpackets and IP packets efficiently and timely, which can be used for the satellites payloads whose size and weight are limited strictly.

Key words: Controller area network bus, Virtual Ethernet interface, Satellite communication

DONG Shao-Jin, LIU Bo, YU Wan-Rong, ZHAO Bao-Kang. Design and Implement of CAN bus Based Virtual Ethernet Interface[J]. Chinese Space Science and Technology, 2012, 32(1): 36-42.

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https://journal26.magtechjournal.com/kjkxjs/EN/Y2012/V32/I1/36

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Design and Implement of CAN bus Based Virtual Ethernet Interface

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