arasan90

Add UART example where it is setup using raw registers and is controlled by interrupts and ISRs (IDFGH-14943)

4

### Is your feature request related to a problem? Yes, I am trying to write a UART abstraction layer that only uses the hardware instead of hardware + OS for...

Firmware crashing during Wi-Fi full calibration procedure (IDFGH-14681)

7

### Answers checklist. - [x] I have read the documentation [ESP-IDF Programming Guide](https://docs.espressif.com/projects/esp-idf/en/latest/) and the issue is not addressed there. - [x] I have updated my IDF branch (master or...