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Use action qualifier software force register?

Stephen Brown
Prodigy 30 points

Hello,

I'm using the DC/DC Lighting Kit to control the current supplied to the LEDs on the eval board.  I need to turn the PWM to the LEDs on and off corresponding to a GPIO pin.  I've set up an external interrupt for the GPIO pin, but how can I turn on and off the ePWM1A in closed loop mode?  

I think I can use the action qualifier software force register, but I'm not sure how to set it up in the interrupt service routine.  I tried to just set the toggle bit, but it didn't work.

Thanks.