Resolved! how to use debug trace (_TRACE) ?
I found CMACRO "_TRACE" in USBPD project in STM32CubeExpansion_USBPD_F0_V2.1.0.I think I can enable usbpd debug trace feature using _TRACE. However, I can not find way check debug trace in my environment. I am using KEIL MDK ARM. Please advise.