Diagnostic communication workflow in Classic AUTOSAR
Figure 4.8 shows the typical flow for diagnostic communication. Diagnostic requests flow from the Ethernet driver to Diagnostic Communication Manager (DCM). DCM will process the request and delegate it to the application if any additional processing is required. In the case of DoIP, initial communication occurs over UDP and will later switch to TCP.
Figure 4.8 – Classic AUTOSAR with DoIP
The AUTOSAR components shown in Figure 4.8 can be categorized into the following elements that are essential for remote diagnostics:
- Network setup: EthTrcv, Eth, and EthSwt establish the physical and data link layer infrastructure, with EthIf providing a uniform interface for upper layers.
- Communication management: EthSM oversees the operational state of the Ethernet communication, ensuring readiness for data transmission.
- IP networking: TCP/IP enables the establishment of IP-based communication...
