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