traits: migrate Delay to embedded-hal 1.0+async, remove Rng and Flash.

1 files changed, 4 insertions, 15 deletions

diff --git a/examples/stm32h7/src/bin/rng.rs b/examples/stm32h7/src/bin/rng.rs
index 8e03861d5..932cfcb8b 100644
--- a/examples/stm32h7/src/bin/rng.rs
+++ b/examples/stm32h7/src/bin/rng.rs
@@ -5,9 +5,6 @@
 #[path = "../example_common.rs"]
 mod example_common;
 use embassy::executor::Spawner;
-use embassy::time::{Duration, Timer};
-use embassy::traits::rng::Random;
-use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::rng::Rng;
 use embassy_stm32::Peripherals;
 use example_common::*;
@@ -16,17 +13,9 @@ use example_common::*;
 async fn main(_spawner: Spawner, p: Peripherals) {
     info!("Hello World!");
 
-    let mut led = Output::new(p.PB14, Level::High, Speed::Low);
+    let mut rng = Rng::new(p.RNG);
 
-    let mut rng = Random::new(Rng::new(p.RNG));
-
-    loop {
-        info!("high {}", unwrap!(rng.next_u8(16).await));
-        led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
-
-        info!("low {}", unwrap!(rng.next_u8(16).await));
-        led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
-    }
+    let mut buf = [0u8; 16];
+    unwrap!(rng.async_fill_bytes(&mut buf).await);
+    info!("random bytes: {:02x}", buf);
 }