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#![no_std]
#![no_main]
use embassy_executor::Spawner;
use hal::bind_interrupts;
use hal::config::Config;
use hal::trng::{self, AsyncTrng, InterruptHandler, Trng};
use rand_core::RngCore;
use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
bind_interrupts!(
struct Irqs {
TRNG0 => InterruptHandler;
}
);
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let config = Config::default();
let mut p = hal::init(config);
defmt::info!("TRNG example");
let mut trng = Trng::new_128(p.TRNG0.reborrow());
let rand = trng.blocking_next_u32();
defmt::info!("128-bit {}", rand);
drop(trng);
let mut trng = Trng::new_256(p.TRNG0.reborrow());
let rand = trng.blocking_next_u32();
defmt::info!("256-bit {}", rand);
drop(trng);
let mut trng = Trng::new_512(p.TRNG0.reborrow());
let rand = trng.blocking_next_u32();
defmt::info!("512-bit {}", rand);
drop(trng);
let config = trng::Config::default();
let mut trng = Trng::new_with_custom_config(p.TRNG0.reborrow(), config);
defmt::info!("========== BLOCKING ==========");
defmt::info!("Generate 10 u32");
for _ in 0..10 {
let rand = trng.blocking_next_u32();
defmt::info!("{}", rand);
}
defmt::info!("Generate 10 u64");
for _ in 0..10 {
let rand = trng.blocking_next_u64();
defmt::info!("{}", rand);
}
let mut buf = [0_u8; 256];
defmt::info!("Generate 10 256-byte buffers");
for _ in 0..10 {
trng.blocking_fill_bytes(&mut buf);
defmt::info!("{:02x}", buf);
}
defmt::info!("RngCore");
for _ in 0..10 {
defmt::info!("u32: {}", trng.next_u32());
defmt::info!("u64: {}", trng.next_u64());
}
drop(trng);
defmt::info!("========== ASYNC ==========");
let mut trng = AsyncTrng::new_with_custom_config(p.TRNG0.reborrow(), Irqs, config);
defmt::info!("Generate 10 u32");
for _ in 0..10 {
let rand = trng.async_next_u32().await.unwrap();
defmt::info!("{}", rand);
}
defmt::info!("Generate 10 u64");
for _ in 0..10 {
let rand = trng.async_next_u64().await.unwrap();
defmt::info!("{}", rand);
}
let mut buf = [0_u8; 256];
defmt::info!("Generate 10 256-byte buffers");
for _ in 0..10 {
trng.async_fill_bytes(&mut buf).await.unwrap();
defmt::info!("{:02x}", buf);
}
defmt::info!("RngCore");
for _ in 0..10 {
defmt::info!("u32: {}", trng.next_u32());
defmt::info!("u64: {}", trng.next_u64());
}
}
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