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use nb;
pub trait FullDuplex<Word> {
type Error;
fn read(&mut self) -> nb::Result<Word, Self::Error>;
fn send(&mut self, word: Word) -> nb::Result<(), Self::Error>;
}
#[derive(Clone, Copy, PartialEq)]
pub enum Polarity {
IdleLow,
IdleHigh,
}
#[derive(Clone, Copy, PartialEq)]
pub enum Phase {
CaptureOnFirstTransition,
CaptureOnSecondTransition,
}
#[derive(Clone, Copy, PartialEq)]
pub struct Mode {
pub polarity: Polarity,
pub phase: Phase,
}
pub const MODE_0: Mode = Mode {
polarity: Polarity::IdleLow,
phase: Phase::CaptureOnFirstTransition,
};
pub const MODE_1: Mode = Mode {
polarity: Polarity::IdleLow,
phase: Phase::CaptureOnSecondTransition,
};
pub const MODE_2: Mode = Mode {
polarity: Polarity::IdleHigh,
phase: Phase::CaptureOnFirstTransition,
};
pub const MODE_3: Mode = Mode {
polarity: Polarity::IdleHigh,
phase: Phase::CaptureOnSecondTransition,
};