1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//! examples/message.rs
#![deny(unsafe_code)]
#![deny(warnings)]
#![deny(missing_docs)]
#![no_main]
#![no_std]
use panic_semihosting as _;
#[rtic::app(device = lm3s6965, dispatchers = [SSI0])]
mod app {
use cortex_m_semihosting::{debug, hprintln};
#[shared]
struct Shared {}
#[local]
struct Local {}
#[init]
fn init(_: init::Context) -> (Shared, Local, init::Monotonics) {
foo::spawn(/* no message */).unwrap();
(Shared {}, Local {}, init::Monotonics())
}
#[task(local = [count: u32 = 0])]
fn foo(cx: foo::Context) {
hprintln!("foo");
bar::spawn(*cx.local.count).unwrap();
*cx.local.count += 1;
}
#[task]
fn bar(_: bar::Context, x: u32) {
hprintln!("bar({})", x);
baz::spawn(x + 1, x + 2).unwrap();
}
#[task]
fn baz(_: baz::Context, x: u32, y: u32) {
hprintln!("baz({}, {})", x, y);
if x + y > 4 {
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
foo::spawn().unwrap();
}
}
|
