LP-CC1352P7: Cannot get the UART working on the LP-CC1352P7-1 dev board

Tool/software:

Hi TI,

I am trying to test the UART on my dev board using TI UART.c (CCS 20.2) and a help from https://dev.ti.com/tirex/content/simplelink_lowpower_f3_sdk_8_10_01_02/docs/ble5stack/ble_user_guide/html/cc23xx/uart_to_uart2.html#uart-to-uart2-porting-guide

But no matter what I do and what board I use I cannot send/get anything.

I placed this code in Application.c of the ns_br with #define WISUN_AUTO_START.

Here I am just trying to send anything and nothing is happening, GLED flashes as expected but no print..