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
54
55
56
57
58
59
60
61
62
63
64
65
|
//! examples/async-channel-done.rs
#![no_main]
#![no_std]
#![deny(warnings)]
#![deny(unsafe_code)]
#![deny(missing_docs)]
use panic_semihosting as _;
#[rtic::app(device = lm3s6965, dispatchers = [SSI0])]
mod app {
use cortex_m_semihosting::{debug, hprintln};
use rtic_sync::{channel::*, make_channel};
#[shared]
struct Shared {}
#[local]
struct Local {}
const CAPACITY: usize = 1;
#[init]
fn init(_: init::Context) -> (Shared, Local) {
let (s, r) = make_channel!(u32, CAPACITY);
receiver::spawn(r).unwrap();
sender1::spawn(s.clone()).unwrap();
sender2::spawn(s.clone()).unwrap();
sender3::spawn(s).unwrap();
(Shared {}, Local {})
}
#[task]
async fn receiver(_c: receiver::Context, mut receiver: Receiver<'static, u32, CAPACITY>) {
while let Ok(val) = receiver.recv().await {
hprintln!("Receiver got: {}", val);
if val == 3 {
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
}
}
#[task]
async fn sender1(_c: sender1::Context, mut sender: Sender<'static, u32, CAPACITY>) {
hprintln!("Sender 1 sending: 1");
sender.send(1).await.unwrap();
hprintln!("Sender 1 done");
}
#[task]
async fn sender2(_c: sender2::Context, mut sender: Sender<'static, u32, CAPACITY>) {
hprintln!("Sender 2 sending: 2");
sender.send(2).await.unwrap();
hprintln!("Sender 2 done");
}
#[task]
async fn sender3(_c: sender3::Context, mut sender: Sender<'static, u32, CAPACITY>) {
hprintln!("Sender 3 sending: 3");
sender.send(3).await.unwrap();
hprintln!("Sender 3 done");
}
}
|
