Files
embedded-rs/examples/panic.rs
2018-04-26 05:27:03 +02:00

46 lines
771 B
Rust

//! Changing the panic handler
//!
//! The easiest way to change the panic handler is to use a different [panic implementation
//! crate][0].
//!
//! [0]: https://crates.io/keywords/panic-impl
//!
//! ---
#![no_main]
#![no_std]
extern crate cortex_m;
#[macro_use]
extern crate cortex_m_rt as rt;
// extern crate panic_abort;
extern crate panic_semihosting; // reports panic messages to the host stderr using semihosting
use cortex_m::asm;
use rt::ExceptionFrame;
main!(main);
#[inline(always)]
fn main() -> ! {
panic!("Oops")
}
exception!(DefaultHandler, deh);
#[inline(always)]
fn deh(_nr: u8) {
asm::bkpt();
}
exception!(HardFault, hf);
#[inline(always)]
fn hf(_ef: &ExceptionFrame) -> ! {
asm::bkpt();
loop {}
}
interrupts!(DefaultHandler);