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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
use embassy_stm32::rng::Rng;
use embassy_stm32::{bind_interrupts, peripherals, rng, Config};
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 mut config = Config::default();
config.rcc.mux = ClockSrc::PLL(
PLLSource::HSI16,
PLLClkDiv::Div2,
PLLSrcDiv::Div1,
PLLMul::Mul8,
Some(PLLClkDiv::Div2),
);
let p = embassy_stm32::init(config);
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);
}
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