30 lines
632 B
Rust
30 lines
632 B
Rust
//! Prints "Hello, world!" on the OpenOCD console using semihosting
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//!
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//! ---
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#![feature(used)]
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#![no_std]
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extern crate cortex_m;
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extern crate cortex_m_rt;
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extern crate cortex_m_semihosting;
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use core::fmt::Write;
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use cortex_m::asm;
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use cortex_m_semihosting::hio;
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fn main() {
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let mut stdout = hio::hstdout().unwrap();
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writeln!(stdout, "Hello, world!").unwrap();
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}
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// As we are not using interrupts, we just register a dummy catch all handler
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#[link_section = ".vector_table.interrupts"]
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#[used]
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static INTERRUPTS: [extern "C" fn(); 240] = [default_handler; 240];
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extern "C" fn default_handler() {
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asm::bkpt();
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}
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