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-rw-r--r--examples/nrf/src/bin/rng.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/examples/nrf/src/bin/rng.rs b/examples/nrf/src/bin/rng.rs
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1#![no_std]
2#![no_main]
3#![feature(min_type_alias_impl_trait)]
4#![feature(impl_trait_in_bindings)]
5#![feature(type_alias_impl_trait)]
6#![allow(incomplete_features)]
7
8#[path = "../example_common.rs"]
9mod example_common;
10
11use defmt::panic;
12use embassy::executor::Spawner;
13use embassy_nrf::Peripherals;
14use embassy_nrf::rng::Rng;
15use embassy_nrf::interrupt;
16use embassy::traits::rng::Rng as _;
17use rand::Rng as _;
18
19#[embassy::main]
20async fn main(_spawner: Spawner, p: Peripherals) {
21 let mut rng = Rng::new(p.RNG, interrupt::take!(RNG));
22
23 // Async API
24 let mut bytes = [0; 4];
25 rng.fill_bytes(&mut bytes).await.unwrap(); // nRF RNG is infallible
26 defmt::info!("Some random bytes: {:?}", bytes);
27
28 // Sync API with `rand`
29 defmt::info!("A random number from 1 to 10: {:?}", rng.gen_range(1..=10));
30}