Macro avr_hal_generic::impl_port_traditional

macro_rules! impl_port_traditional {
    (
        enum Ports {
            $($PortName:ident: ($Port:ty, $port_port_reg:ident, $port_pin_reg:ident, $port_ddr_reg:ident),)+
        }

        $(#[$pins_attr:meta])*
        pub struct Pins {
            $($pin:ident: $Pin:ident = ($PinPort:ty, $PinPortName:ident, $pin_num:expr,
                                        $pin_port_reg:ident, $pin_pin_reg:ident,
                                        $pin_ddr_reg:ident),)+
        }
    ) => { ... };
}