Macro frdm_kw41z::iprintln

macro_rules! iprintln {
    ( $ channel : expr ) => { ... };
    (
$ channel : expr , $ fmt : expr ) => { ... };
    (
$ channel : expr , $ fmt : expr , $ ( $ arg : tt ) * ) => { ... };
}

Macro for sending a formatted string through an ITM channel, with a newline.