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上传时间: 2018-11-24
详细说明： 本论文为全英文，对AUTOSAR架构下的UDS协议支持的BootLoader有一定参考价值。 In an automotive context today’s need of testing functions while in factory, correcting faults in the workshop or adding extra value in the aftermarket makes it very important to easily be able to download new software to the electronic control units in vehicles. In the platform for standard automotive software development called AUTOSAR, two known protocols are presented to specify the procedure on how to implement this download operation: Unified Diagnostic Services (UDS) and the Universal Measurement and Calibration Protocol (XCP). However the part of the UDS and XCP standards that is about reprogramming is not completely a part of the AUTOSAR standard yet. In this thesis, UDS and XCP have been compared to evaluate which of the two that has most support in AUTOSAR today and are most likely to be fully integrated into AUTOSAR in the future. Since UDS already has support in AUTOSAR for some of the functions needed for reprogramming and because of the fact that UDS is a part of the extensively used On-board Diagnostic standard (OBD-II), UDS is chosen to be the most suitable protocol for implementing reprogramming functionality according to AUTOSAR. A bootloader with the ability to download data has been developed using only relevant functions from UDS and following the AUTOSAR specifications where it is applicable. ...展开详情收缩
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