Files
embedded-rs/examples/itm.rs
Jorge Aparicio 63213f3568 initial commit
2017-03-12 13:01:08 -05:00

33 lines
861 B
Rust

//! Sends "Hello, world!" through the ITM port 0
//!
//! You'll need [`itmdump`] to receive the message plus you'll need to enable
//! OpenOCD's ITM support in `.gdbinit`.
//!
//! [`itmdump`]: https://docs.rs/itm/0.1.1/itm/
#![no_std]
#[macro_use]
extern crate cortex_m;
extern crate cortex_m_rt;
extern crate {{name}};
use cortex_m::{exception, peripheral};
use {{name}}::interrupt;
fn main() {
cortex_m::interrupt::free(|cs| {
let itm = peripheral::ITM.borrow(&cs);
iprintln!(&itm.stim[0], "Hello, world!");
});
}
#[no_mangle]
pub static _INTERRUPTS: interrupt::Handlers =
interrupt::Handlers { ..interrupt::DEFAULT_HANDLERS };
#[no_mangle]
pub static _EXCEPTIONS: exception::Handlers =
exception::Handlers { ..exception::DEFAULT_HANDLERS };