uart_polling# Overview# The uart_polling example shows how to use uart driver in polling way: In this example, one uart instance connect to PC through uart, the board will send back all characters that PC send to the board. Supported Boards# FRDM-K22F FRDM-K32L2B FRDM-KE02Z40M FRDM-KE17Z512 FRDM-MCXC242 FRDM-MCXC444 TWR-KM34Z50MV3 TWR-KM34Z75M TWR-KM35Z75M