rtic/examples/periodic.rs
2018-11-04 19:57:39 +01:00

34 lines
687 B
Rust

//! examples/periodic.rs
#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]
extern crate panic_semihosting;
use cortex_m_semihosting::hprintln;
use rtfm::{app, Instant};
const PERIOD: u32 = 8_000_000;
// NOTE: does NOT work on QEMU!
#[app(device = lm3s6965)]
const APP: () = {
#[init(schedule = [foo])]
fn init() {
schedule.foo(Instant::now() + PERIOD.cycles()).unwrap();
}
#[task(schedule = [foo])]
fn foo() {
let now = Instant::now();
hprintln!("foo(scheduled = {:?}, now = {:?})", scheduled, now).unwrap();
schedule.foo(scheduled + PERIOD.cycles()).unwrap();
}
extern "C" {
fn UART0();
}
};