Module f3::examples::_1_itm

Sends Hello and then World through the first ITM stimulus port

You'll need to run itmdump itm.fifo (mind the file paths) to receive the message on the host. Read the itm crate documentation for details.

#![feature(const_fn)]
#![feature(used)]
#![no_std]
 
// version = "0.2.6"
#[macro_use]
extern crate cortex_m;
 
// version = "0.2.0"
extern crate cortex_m_rt;
 
// version = "0.1.0"
#[macro_use]
extern crate cortex_m_rtfm as rtfm;
 
extern crate f3;
 
use f3::stm32f30x;
use rtfm::{P0, T0, TMax};
 
// RESOURCES
peripherals!(stm32f30x, {
    ITM: Peripheral {
        register_block: Itm,
        ceiling: C0,
    },
});
 
// INITIALIZATION PHASE
fn init(ref priority: P0, threshold: &TMax) {
    let itm = ITM.access(priority, threshold);
 
    iprintln!(&itm.stim[0], "Hello");
}
 
// IDLE LOOP
fn idle(ref priority: P0, ref threshold: T0) -> ! {
    let itm = ITM.access(priority, threshold);
 
    iprintln!(&itm.stim[0], "World");
 
    // Sleep
    loop {
        rtfm::wfi();
    }
}
 
// TASKS
tasks!(stm32f30x, {});