AutoSAR Configuration and Practice (Basics) 3.1 Summary of BSW Architecture and Main Functions

Summary of BSW architecture and main functions

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1. What is BSW?

BSW is the abbreviation of Basic Software, that is, the basic software layer, which provides basic software services for SWC, including standardized system functions and functional interfaces. Mainly through layering, the isolation of software and hardware is achieved. This makes the entire software structure independent of hardware. For different ECU hardware, configuration changes can be made to meet the needs of the OS and upper layers.

The layering from bottom to top is: microcontroller abstraction layer, ECU abstraction layer, Service layer. Complete isolation of hardware is achieved through layering.