I have a custom PCB with a pair of ESP32s and a PIC32 for USB/UART programming. One of the ESP32s is working fine, but I see no serial communications on the second one. It shows up on my computer as a USB device, but I don't see any serial communication. I have tried manual reset by grounding both t...

@ESP_Sprite - I think you are correct. I was thrown a bit because I see evidence of both the PRA/RPA filter existing. However, it does look like something changed - if I correct that undeclared variable, everything builds properly.

Thanks for the prompt response!

I have inherited some code running on ESP32 that has not been built in about 18 months. I have installed IDF but cannot seem to get a successful build. I used menuconfig to change the flash size to 4Mb (consistent with my hardware), use a custom partition (consistent with previous build) and enable ...