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C2000WARE-MOTORCONTROL-SDK: How to setup virtual timer for COMTN_TRIG_MACRO on DMC library to drive BLDC

Kenji
Intellectual 530 points
Part Number: C2000WARE-MOTORCONTROL-SDK
Other Parts Discussed in Thread: CONTROLSUITE

Hi All.

I want to drive sensorless BLDC motor using C2000 DMC library. And I refer this block diagram.

I want to know about the virtual timer, input for COMTN_TRIG_MACRO.
How I need to prepare the virtual timer for COMTN_TRIG_MACRO?

I think virtual timer is tick count timer. And, is it need to synchronize with some module? For example PWM period? Or it's a free run timer(tick count)?