Hi @siyuanzhengwei
The example was implemented using a newer RTD version than the one you are currently working with; therefore, changes were introduced to the driver implementation.
As you are working with RTD 2.0.0, you should refer to the Dma_Ip driver. Starting from RTD 3.0.0, the DMAMux Source configuration was moved to the RM module at the MCAL layer, which explains the difference you are observing.
Additionally, we recommend updating to the latest RTD version whenever possible. This helps avoid known issues and ensures you benefit from the most recent fixes, enhancements, and improvements.
BR, VaneB
