56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
// required-features: rng
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#![no_std]
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#![no_main]
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#[path = "../common.rs"]
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mod common;
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use common::*;
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use embassy_executor::Spawner;
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use embassy_stm32::rng::Rng;
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use embassy_stm32::{bind_interrupts, peripherals, rng};
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use {defmt_rtt as _, panic_probe as _};
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#[cfg(any(
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feature = "stm32l4a6zg",
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feature = "stm32h755zi",
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feature = "stm32h753zi",
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feature = "stm32f429zi"
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))]
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bind_interrupts!(struct Irqs {
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HASH_RNG => rng::InterruptHandler<peripherals::RNG>;
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});
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#[cfg(any(feature = "stm32l073rz"))]
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bind_interrupts!(struct Irqs {
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RNG_LPUART1 => rng::InterruptHandler<peripherals::RNG>;
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});
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#[cfg(not(any(
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feature = "stm32l4a6zg",
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feature = "stm32l073rz",
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feature = "stm32h755zi",
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feature = "stm32h753zi",
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feature = "stm32f429zi"
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)))]
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bind_interrupts!(struct Irqs {
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RNG => rng::InterruptHandler<peripherals::RNG>;
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});
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p: embassy_stm32::Peripherals = embassy_stm32::init(config());
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let mut rng = Rng::new(p.RNG, Irqs);
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let mut buf1 = [0u8; 16];
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unwrap!(rng.async_fill_bytes(&mut buf1).await);
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info!("random bytes: {:02x}", buf1);
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let mut buf2 = [0u8; 16];
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unwrap!(rng.async_fill_bytes(&mut buf2).await);
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info!("random bytes: {:02x}", buf2);
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defmt::assert!(buf1 != buf2);
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info!("Test OK");
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cortex_m::asm::bkpt();
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}
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