TNI Software Agenda - Irisa
TNI Software Agenda - Irisa
TNI Software Agenda - Irisa
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AUTOSAR – The ECU Resource Description<br />
ECU<br />
Resource<br />
Description<br />
WP 2.1.1.2<br />
WP 2.1.2.2<br />
ECU Resource Description<br />
� general characteristics (name, manufacturer, etc.) �<br />
� SIL �<br />
� temperature (own, environment, cooling/heating) �<br />
� power supply: - modes �<br />
- energy management<br />
� EMC �<br />
� available signal processing methods �<br />
� available programming capabilities �<br />
� diagnosis �<br />
� available HW: � - architecture (e.g. multiprocessor)<br />
- memory<br />
-µC<br />
- interfaces (CAN, LIN, MOST, FlexRay)<br />
- periphery (sensor / actuator)<br />
- connectors (i.e. number of pins)<br />
� SW below RTE for micro controller (amount, performance<br />
characteristics) �<br />
� signal path “Pin23(µC)=0x5678=symbolic name=phys. Variable”<br />
from Pin to ECU-abstraction �<br />
AUTOSAR – Input Descriptions (3 of 3)<br />
� Step 1c): Description of system constraints<br />
Draw-up System-Constraint-Description<br />
= tool based<br />
System Information<br />
overall system<br />
- bus systems, protocols,<br />
communication matrix and<br />
attributes (e.g. data rates,<br />
timing, …)<br />
- function clustering<br />
- function deployment<br />
(distribution to ECU)<br />
- ...<br />
AUTOSAR-Description<br />
Editor<br />
System-<br />
Constraint<br />
Description
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