Timer synchronise with zero crossing signal

[Rajkumar181]

I am trying to perform dimming of AC light by synchronising timer with zero crossing detector.please some buddy suggest me if already done, something like this done before .

i tried for ledc example but in this pulse is shifting.

[WiFive]

https://esp32.com/viewtopic.php?f=13&t=3561

[Rajkumar181]

I tried for the MCPWM peripheral. but it is not synchronising .