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use crate::Register;
pub enum DataDirection {
Input,
Output,
}
pub trait Pin {
type DDR: Register<T=u8>;
type PORT: Register<T=u8>;
type PIN: Register<T=u8>;
const MASK: u8;
#[inline(always)]
fn set_direction(direction: DataDirection) {
match direction {
DataDirection::Input => Self::set_input(),
DataDirection::Output => Self::set_output(),
}
}
#[inline(always)]
fn set_input() {
Self::DDR::unset_mask_raw(Self::MASK);
}
#[inline(always)]
fn set_output() {
Self::DDR::set_mask_raw(Self::MASK);
}
#[inline(always)]
fn set_high() {
Self::PORT::set_mask_raw(Self::MASK);
}
#[inline(always)]
fn set_low() {
Self::PORT::unset_mask_raw(Self::MASK);
}
#[inline(always)]
fn toggle() {
Self::PORT::toggle_raw(Self::MASK);
}
#[inline(always)]
fn is_high() -> bool {
Self::PIN::is_mask_set_raw(Self::MASK)
}
#[inline(always)]
fn is_low() -> bool {
Self::PIN::is_clear_raw(Self::MASK)
}
}