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Diffstat (limited to 'examples/schedule.rs')
-rw-r--r-- | examples/schedule.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/examples/schedule.rs b/examples/schedule.rs new file mode 100644 index 00000000..9fb2796d --- /dev/null +++ b/examples/schedule.rs @@ -0,0 +1,51 @@ +//! examples/schedule.rs + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +extern crate panic_semihosting; + +use rtfm::{app, Instant}; + +macro_rules! println { + ($($tt:tt)*) => { + if let Ok(mut stdout) = cortex_m_semihosting::hio::hstdout() { + use core::fmt::Write; + + writeln!(stdout, $($tt)*).ok(); + } + }; +} + +// NOTE: does NOT work on QEMU! +#[app(device = lm3s6965)] +const APP: () = { + #[init(schedule = [foo, bar])] + fn init() { + let now = Instant::now(); + + println!("init @ {:?}", now); + + // Schedule `foo` to run 8e6 cycles (clock cycles) in the future + schedule.foo(now + 8_000_000.cycles()).unwrap(); + + // Schedule `bar` to run 4e6 cycles in the future + schedule.bar(now + 4_000_000.cycles()).unwrap(); + } + + #[task] + fn foo() { + println!("foo @ {:?}", Instant::now()); + } + + #[task] + fn bar() { + println!("bar @ {:?}", Instant::now()); + } + + extern "C" { + fn UART0(); + } +}; |