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F28377xS - Programming ISR & PWM

Hi I'm an intern and I'm currently working with a C2000 F28377xS controller and am writing CCS code such that I can input a sinusoidal wave (with a 1.65v offset) to an ADC pin (ADCINA0), and output to two separate PWM pins ( ePWM3A == GPIO4 & ePWM2A == GPIO2).  

I've designed a filter with an audio jack that takes in a sinusoidal wave form and generates a 1.65v offset. I checked to make sure the filter is outputting the modified input sine wave, which it is. I've connected this output to the ADCINA0 pin on the C2000 F28377xS.

My question is why my Interrupt Service routine is not executing such that:

when the phase of the sine wave is > 1.65v, ePWM3 is displaying the duty cycles, and ePWM2 is displaying 0% duty cycle 

when the phase of the sine wave is < 1.65v ePWM2 is displaying the duty cycles and ePWM3 is displaying 0% duty cycle

Here is my code: 

**Update: 7/29/16 (11:00am): I removed my code. I was able to resolve my issue. Thank you.