Add stm32u0 support.

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/stm32u0/src/bin/button_exti.rs b/examples/stm32u0/src/bin/button_exti.rs
new file mode 100644
index 000000000..34a08bbc6
--- /dev/null
+++ b/examples/stm32u0/src/bin/button_exti.rs
@@ -0,0 +1,25 @@
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::exti::ExtiInput;
+use embassy_stm32::gpio::Pull;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
+    info!("Hello World!");
+
+    let mut button = ExtiInput::new(p.PC13, p.EXTI13, Pull::Up);
+
+    info!("Press the USER button...");
+
+    loop {
+        button.wait_for_falling_edge().await;
+        info!("Pressed!");
+        button.wait_for_rising_edge().await;
+        info!("Released!");
+    }
+}