Hello World¶
About¶
This application prints “Hello World!” to standard output.
Source code¶
#![no_std]
/**
* @section License
*
* The MIT License (MIT)
*
* Copyright (c) 2014-2017, Erik Moqvist
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* This file is part of the Rafiki project.
*/
#[macro_use] extern crate rafiki;
use rafiki::kernel::sys;
#[no_mangle]
pub fn main(_: isize, _: *const *const u8) -> isize
{
sys::start();
println!("Hello World!");
0
}
The source code can also be found on Github in the examples/hello_world folder.
Build and run¶
Build and run the application on an Arduino Due.
$ cd examples/hello_world
$ make -s BOARD=arduino_due run
...
Hello world!
$