35 lines
838 B
Rust
35 lines
838 B
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use defmt_rtt as _; // global logger
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use embassy::executor::Spawner;
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use embassy_stm32::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
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use embassy_stm32::rng::Rng;
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use embassy_stm32::{Config, Peripherals};
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use panic_probe as _;
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fn config() -> Config {
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let mut config = Config::default();
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config.rcc.mux = ClockSrc::PLL(
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PLLSource::HSI16,
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PLLClkDiv::Div2,
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PLLSrcDiv::Div1,
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PLLMul::Mul8,
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Some(PLLClkDiv::Div2),
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);
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config
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}
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#[embassy::main(config = "config()")]
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async fn main(_spawner: Spawner, p: Peripherals) {
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info!("Hello World!");
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let mut rng = Rng::new(p.RNG);
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let mut buf = [0u8; 16];
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unwrap!(rng.async_fill_bytes(&mut buf).await);
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info!("random bytes: {:02x}", buf);
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}
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