From 8e7e4332b40707e8d36338ad8ec486320bb3538f Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 11 Apr 2025 15:03:53 -0700 Subject: Add embassy-imxrt RNG driver --- examples/mimxrt6/src/bin/rng.rs | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 examples/mimxrt6/src/bin/rng.rs (limited to 'examples/mimxrt6') diff --git a/examples/mimxrt6/src/bin/rng.rs b/examples/mimxrt6/src/bin/rng.rs new file mode 100644 index 000000000..5f64cb96a --- /dev/null +++ b/examples/mimxrt6/src/bin/rng.rs @@ -0,0 +1,40 @@ +#![no_std] +#![no_main] + +extern crate embassy_imxrt_examples; + +use defmt::*; +use embassy_executor::Spawner; +use embassy_imxrt::rng::Rng; +use embassy_imxrt::{bind_interrupts, peripherals, rng}; +use rand::RngCore; +use {defmt_rtt as _, panic_probe as _}; + +bind_interrupts!(struct Irqs { + RNG => rng::InterruptHandler; +}); + +#[embassy_executor::main] +async fn main(_spawner: Spawner) { + let p = embassy_imxrt::init(Default::default()); + + info!("Initializing RNG"); + let mut rng = Rng::new(p.RNG, Irqs); + let mut buf = [0u8; 65]; + + // Async interface + unwrap!(rng.async_fill_bytes(&mut buf).await); + info!("random bytes: {:02x}", buf); + + // RngCore interface + let mut random_bytes = [0; 16]; + + let random_u32 = rng.next_u32(); + let random_u64 = rng.next_u64(); + + rng.fill_bytes(&mut random_bytes); + + info!("random_u32 {}", random_u32); + info!("random_u64 {}", random_u64); + info!("random_bytes {}", random_bytes); +} -- cgit