macro_rules! impl_usart_traditional {
(
hal: $HAL:ty,
peripheral: $USART:ty,
register_suffix: $n:expr,
rx: $rxpin:ty,
tx: $txpin:ty,
) => { ... };
}
macro_rules! impl_usart_traditional {
(
hal: $HAL:ty,
peripheral: $USART:ty,
register_suffix: $n:expr,
rx: $rxpin:ty,
tx: $txpin:ty,
) => { ... };
}