embassy/examples/stm32h7/src/bin/rng.rs
2023-07-31 01:41:12 +02:00

26 lines
624 B
Rust

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