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TMS320F280025C: Universal Motor Control Lab / Question on EPWM Tripzone Force One-shot setting

Mark Feller
Expert 1220 points

Part Number: TMS320F280025C

My understanding of the lab SW is that the ePWM output is enabled/disabled by use of the trip zone mechanism.

To disable the EPWM output:

HAL_disablePWM --> EPWM_forceTripZoneEvent(EPWM_TZ_FORCE_EVENT_OST)

Considering Figure 17-43 of the TRM, it looks like there is no explicit enable of this force flag (TZFRC[OSHT]).  Is this correct?

I am customizing the Universal Motor Control Lab function HAL_setupMtrFaults() (in hal.c) to meet my application requirements, and I do not see any configuration for the force event.  Similarly, looking at the TRM, I'm so far not seeing any setting there suggesting that some step is needed to enable the force event.

Can you confirm if my understanding of the trip zone one-shot force event setup is correct?

But I still need to configure the trip zone action by EPWM_setTripZoneAction(), correct?

Thanks!