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-rw-r--r--examples/nrf54l15/Cargo.toml2
-rw-r--r--examples/nrf54l15/src/bin/rng.rs29
2 files changed, 31 insertions, 0 deletions
diff --git a/examples/nrf54l15/Cargo.toml b/examples/nrf54l15/Cargo.toml
index 14a80efe7..4ef77279f 100644
--- a/examples/nrf54l15/Cargo.toml
+++ b/examples/nrf54l15/Cargo.toml
@@ -14,6 +14,8 @@ embassy-nrf = { version = "0.8.0", path = "../../embassy-nrf", features = ["defm
14embedded-io = { version = "0.6.0", features = ["defmt-03"] } 14embedded-io = { version = "0.6.0", features = ["defmt-03"] }
15embedded-io-async = { version = "0.6.1", features = ["defmt-03"] } 15embedded-io-async = { version = "0.6.1", features = ["defmt-03"] }
16 16
17rand = { version = "0.9.0", default-features = false }
18
17defmt = "1.0.1" 19defmt = "1.0.1"
18defmt-rtt = "1.0.0" 20defmt-rtt = "1.0.0"
19panic-probe = { version = "1.0.0", features = ["print-defmt"] } 21panic-probe = { version = "1.0.0", features = ["print-defmt"] }
diff --git a/examples/nrf54l15/src/bin/rng.rs b/examples/nrf54l15/src/bin/rng.rs
new file mode 100644
index 000000000..3be035b9c
--- /dev/null
+++ b/examples/nrf54l15/src/bin/rng.rs
@@ -0,0 +1,29 @@
1#![no_std]
2#![no_main]
3
4use embassy_executor::Spawner;
5use embassy_nrf::cracen::Cracen;
6use embassy_nrf::{bind_interrupts, cracen, peripherals};
7use rand::Rng as _;
8use {defmt_rtt as _, panic_probe as _};
9
10#[embassy_executor::main]
11async fn main(_spawner: Spawner) {
12 let p = embassy_nrf::init(Default::default());
13 let mut rng = Cracen::new_blocking(p.CRACEN);
14
15 // Async API
16 let mut bytes = [0; 4];
17 rng.blocking_fill_bytes(&mut bytes);
18 defmt::info!("Some random bytes: {:?}", bytes);
19
20 // Sync API with `rand`
21 defmt::info!("A random number from 1 to 10: {:?}", rng.random_range(1..=10));
22
23 let mut bytes = [0; 1024];
24 rng.blocking_fill_bytes(&mut bytes);
25 let zero_count: u32 = bytes.iter().fold(0, |acc, val| acc + val.count_zeros());
26 let one_count: u32 = bytes.iter().fold(0, |acc, val| acc + val.count_ones());
27 defmt::info!("Chance of zero: {}%", zero_count * 100 / (bytes.len() as u32 * 8));
28 defmt::info!("Chance of one: {}%", one_count * 100 / (bytes.len() as u32 * 8));
29}