cortex-m-quickstart 0.2.7

A template for building applications for ARM Cortex-M microcontrollers
Documentation 
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//! 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
//!
//! ---

#![feature(used)]
#![no_std]

extern crate cortex_m;
extern crate cortex_m_rt;
// extern crate panic_abort;
extern crate panic_semihosting; // reports panic messages to the host stderr using semihosting

use cortex_m::asm;

fn main() {
    panic!("Oops");
}

// As we are not using interrupts, we just register a dummy catch all handler
#[link_section = ".vector_table.interrupts"]
#[used]
static INTERRUPTS: [extern "C" fn(); 240] = [default_handler; 240];

extern "C" fn default_handler() {
    asm::bkpt();
}