Learn AUTOSAR-ARXML-C with Real Code Examples
Updated Nov 27, 2025
Architecture
AUTOSAR layered architecture: Application, RTE, Basic Software
SWCs communicate via RTE
C code implements SWC behavior
ECU abstraction through BSW modules
Communication stacks for CAN, LIN, FlexRay, Ethernet
Rendering Model
No GUI; purely data/software modeling
SWCs executed via RTE
C code compiled for ECU hardware
Communication via BSW stacks
System-level mapping in ARXML files
Architectural Patterns
Layered architecture: Application, RTE, BSW
Event-driven and periodic runnables
Port-based communication
Modular SWC design
Inter-ECU communication through standardized protocols
Real World Architectures
Powertrain ECU network
ADAS sensor fusion architecture
Infotainment and cluster ECU system
Body control and lighting ECU network
Electric vehicle battery and motor control system
Design Principles
Modularity
Standardization
Reusability across OEMs and suppliers
Separation of application and hardware layers
Safety and reliability compliance
Scalability Guide
Partition SWCs across multiple ECUs
Use modular BSW components
Minimize communication overhead
Optimize memory usage per ECU
Leverage RTE for inter-ECU integration
Migration Guide
Upgrade ARXML files to latest schema
Regenerate RTE for new ECU hardware
Refactor SWC C code for Adaptive platform
Update communication stacks
Validate against new ISO 26262 requirements