In configuration, most of EDMA module shown in Figure 2-29 will be updated by user defined function during initialization of application. So, most contents can stay as the default.
The key is the EDMA Channel Trigger Configuration in Figure 2-30. All trigger sources are listed in the Channel Trigger menu. As shown earlier, EPWM7 is configured as the trigger for EDMA to update DAC generating resolver excitation sine wave.