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LAUNCHXL-F28379D: high resolution phase shift

Part Number: LAUNCHXL-F28379D

Hi Team,

This issue is based on original thread.

My customer need high resolution phase shift by using HRPWM for his design. I provided him example code from original thread. He got the same waveform. But he think this program just using EPWM_setPhaseShift(myEPWM3_BASE, period/2);, so the phase shift can only be period/50(EPWMCLK=50MHz, period=50). 

His demand is shifting fractional times of period like period*0.212345. According to the code of original thread, It just can shifting like period*0.22

How to achieve it?

Thanks & Regards

Yale Li