I'm developing firmware for a custom board developed with the nRF5340. We opted to use RTT as our logging/shell output as opposed to UART thanks to pcb size limitations. I'm setting up a custom devicetree file and noticed these lines as I was copying the files over from the nrf5340dk DTS files:
chosen {
zephyr,console = &uart0;
zephyr,shell-uart = &uart0;
zephyr,uart-mcumgr = &uart0;
zephyr,bt-mon-uart = &uart0;
zephyr,bt-c2h-uart = &uart0;
};
I understand &uart0 is a reference to the uart node for the development kit. Since we aren't using any of the UART ports, my thought is to
1) delete &uart0 as a node from the devicetree and then
2) replace the references in this chosen block with references to the RTT peripheral
My problem is that I don't understand how to do (2)--there doesn't seem to be a way for me to create a node for the RTT peripheral in the device tree. Is there some other way I can instruct the software to use RTT for the console, the shell, and the other functions listed in this "chosen" block?
Thanks for your help!
