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use num_enum::IntoPrimitive;
use num_enum::TryFromPrimitive;
use std::convert::TryFrom;
use crate::protocol::Serializable;
use crate::communication::extractor::Extractor;
#[derive(Clone, Copy, Debug, Eq, PartialEq, IntoPrimitive, TryFromPrimitive)]
#[repr(u8)]
pub enum Event {
#[num_enum(default)]
None,
Down,
Press,
Up,
EndContinuePress
}
impl Event {
pub fn from_u8(data_u8: u8) -> Event {
match Event::try_from( data_u8 ) {
Ok(data) => { data },
_ => { Event::None },
}
}
}
#[derive(Debug, Copy, Clone)]
pub struct Button {
pub button: u16,
pub event: Event,
}
impl Button {
pub fn new() -> Button{
Button {
button: 0,
event: Event::None,
}
}
pub const fn size() -> usize { 3 }
pub fn parse(slice_data: &[u8]) -> Result<Button, &'static str> {
if slice_data.len() == Button::size() {
let mut ext: Extractor = Extractor::from_slice(slice_data);
Ok(Button{
button: ext.get_u16(),
event: Event::from_u8(ext.get_u8()),
})
}
else { Err("Wrong length") }
}
}
impl Serializable for Button {
fn to_vec(&self) -> Vec<u8> {
let mut vec_data : Vec<u8> = Vec::new();
vec_data.extend_from_slice(&self.button.to_le_bytes());
vec_data.push(self.event.into());
vec_data
}
}