added buzzer and rtc. rtc freeze the system, bevore interrupt can be initilized..

src/drivers/buzzer.rs

@@ -0,0 +1,20 @@
+use embassy_time::{Duration, Timer};
+use esp_hal::peripherals;
+use log::{debug, error, info};
+
+use crate::init;
+
+
+#[embassy_executor::task]
+pub async fn feedback_task(buzzer: peripherals::GPIO19<'static>) {
+    info!("Starting feedback task");
+    let mut buzzer = init::hardware::setup_buzzer(buzzer).await;
+    loop {
+        debug!("Buzzer feedback task running");
+        buzzer.set_high();
+        Timer::after(Duration::from_millis(100)).await;
+        buzzer.set_low();
+        Timer::after(Duration::from_millis(100)).await;
+        return ;
+    }
+}