event.rs

#![feature(read_exact)]

use std::fs::File;
use std::io::Read;
use std::mem::transmute;

#[derive(Debug)]
struct RawEvent {
    time_a: i64,
    time_b: i64,
    typ: u16,
    code: u16,
    value: i32
}

fn main() {
    let mut f = File::open("/dev/input/event16").unwrap();

    let mut buf: [u8; 24] = [0; 24];
    loop {
        f.read_exact(&mut buf).unwrap();

        let ev: RawEvent = unsafe { transmute(buf) };

        if ev.typ == 0 {
            continue
        }

        println!("event: {:?}", ev);
    }
}