LIN specification V2.1 defines a diagnostic method of LIN slaves. According to this method, the diagnostic messages are communicated between diagnostic tester and LIN slaves by using LIN master as a gateway. However, this method is not suitable for the transmission of mass data because it will cause high network load of the backbone bus and reduce the transmission efficiency. In this paper, two new diagnostic methods of LIN slaves are introduced. The gateway function of LIN master is eliminated in both methods to realize the direct communication between diagnostic tester and LIN slaves. As a result, the impact to the backbone bus is minimized. Moreover, two simulation diagnostic systems are built in CANoe environment to prove that both methods are realizable.
Study on Diagnostic Methods of Lin Slaves
2012
7 Seiten
Conference paper
English
Study on diagnostic methods of LIN slaves
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