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//! `LED` control vocabulary (ยง3.7).
/// Which status LED a `LED` command targets; discriminants are the wire `target` byte.
#[repr(u8)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum LedTarget {
Device = 0,
Host = 1,
Both = 2,
}
impl LedTarget {
/// The wire `target` byte.
pub fn as_u8(self) -> u8 {
self as u8
}
/// Map a wire `target` byte to a [`LedTarget`], or `None` if unknown.
pub fn from_u8(v: u8) -> Option<Self> {
Some(match v {
0 => LedTarget::Device,
1 => LedTarget::Host,
2 => LedTarget::Both,
_ => return None,
})
}
}
/// What a `LED` command drives the LED to; `Auto` hands it back to the box's status display.
/// Discriminants are the wire `mode` byte.
#[repr(u8)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum LedMode {
Auto = 0,
Off = 1,
Solid = 2,
Blink = 3,
}
impl LedMode {
/// The wire `mode` byte.
pub fn as_u8(self) -> u8 {
self as u8
}
/// Map a wire `mode` byte to a [`LedMode`], or `None` if unknown.
pub fn from_u8(v: u8) -> Option<Self> {
Some(match v {
0 => LedMode::Auto,
1 => LedMode::Off,
2 => LedMode::Solid,
3 => LedMode::Blink,
_ => return None,
})
}
}