rtic/examples/extern_binds.rs
2023-03-01 00:31:01 +01:00

54 lines
1 KiB
Rust

//! examples/extern_binds.rs
#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]
use cortex_m_semihosting::hprintln;
use panic_semihosting as _;
// Free function implementing the interrupt bound task `foo`.
fn foo(_: app::foo::Context) {
hprintln!("foo called").ok();
}
#[rtic::app(device = lm3s6965)]
mod app {
use crate::foo;
use cortex_m_semihosting::{debug, hprintln};
use lm3s6965::Interrupt;
#[shared]
struct Shared {}
#[local]
struct Local {}
#[init]
fn init(_: init::Context) -> (Shared, Local, init::Monotonics) {
rtic::pend(Interrupt::UART0);
hprintln!("init").unwrap();
(Shared {}, Local {}, init::Monotonics())
}
#[idle]
fn idle(_: idle::Context) -> ! {
hprintln!("idle").unwrap();
rtic::pend(Interrupt::UART0);
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
loop {
cortex_m::asm::nop();
}
}
extern "Rust" {
#[task(binds = UART0)]
fn foo(_: foo::Context);
}
}