Fault Tolerant Protocol for UDS Flash Programming through Controller Area Network (CAN)
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 4
Abstract
This paper proposes a fault tolerant protocol for CAN (Control Area Network) flash programming. Recently, the need of CAN flash programming is rapidly increasing because the number of installed ECU (Electronic Control Unit) increases noticeably and the adoption rate of CAN are very high. Although some development tool companies and semiconductor companies provide solutions for Flash Programming in a effective way, there is no standards for CAN flash programming until now. Furthermore, there is always a risk of nature , when Flash programming an application into flash memory using downloaded programming algorithms, that an externally created aspects may corrupt the programming process. This paper gives a brief suggestions that the standards of CAN flash programming should include mechanism for the recovery from faults and certification process. Interaction diagram between host PC and ECU summarizes the messages and includes an additional phase for the certification of the CAN communication capability of ECU. The Reprogramming operation is done through Diagnostic communication protocol UDS. For a Diagnostic Communication a testing tool is connected to the in-vehicle network. The Tester (Client) sends a request to a Specific ECU and the ECU (Server) answers the request with a response. Here, Simulated ECU comes in play by sending responses to the request.
Authors and Affiliations
Divya. J, Shanthi. T
Keywords
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