Console echo
Overview
This example shows how the console_getchar() and
console_putchar() functions can be used to echo an input character
back to the console.
Requirements
UART console is required to run this sample.
Building and Running
Build and flash the sample as follows, changing nucleo_f401re for your
board. Alternatively you can run this using QEMU, as described in
console_getchar().
west build -b nucleo_f401re samples/subsys/console/echo
west flash
Following the initial prompt given by the firmware, start pressing keys on a keyboard, and they will be echoed back to the terminal program you are using.
Sample Output
You should see another line with instructions below. If not,
the (interrupt-driven) console device doesn't work as expected:
Start typing characters to see them echoed back