Function init

src/timer.rs:9–20

()

const TICKS_PER_SEC: usize = 1000;

pub fn init() {
    unsafe {
        if CLOCK_FREQ == 0 {
            panic!("Clock frequency is zero!");
        }
    }
    unsafe {
        sie::set_stimer();
    }
    info!("Timer ready");
    timer_next_triger();
}

pub fn get_time_us() -> usize {
    unsafe {