embassy/examples/stm32h7/src/bin/rng.rs

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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::rng::Rng;
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
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info!("Hello World!");
let mut rng = Rng::new(p.RNG);
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let mut buf = [0u8; 16];
unwrap!(rng.async_fill_bytes(&mut buf).await);
info!("random bytes: {:02x}", buf);
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}