working hal_test

hal_test/src/bin/main.rs

@@ -1,30 +1,24 @@
-// src/bin/main.rs
-
 #![no_std]
 #![no_main]
 
-use defmt_rtt as _;
+use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
+use embassy_time::{Duration, Timer};
+use embassy_stm32::init;
 use embassy_stm32::Config;
-use embassy_time::Delay;
-use embedded_hal::delay::DelayNs;
-use panic_probe as _;
+use panic_halt as _;
 
-#[cortex_m_rt::entry]
-fn main() -> ! {
-    defmt::info!("Starting blinky on STM32U575ZI-Q...");
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = init(Config::default());
 
-    // Initialize peripherals with the default clock tree for STM32U5.
-    let p = embassy_stm32::init(Config::default());
-
-    // On‑board LED (PB7 on NUCLEO‑U575ZI‑Q)
-    let mut led = Output::new(p.PB7, Level::Low, Speed::Low);
-    let mut delay = Delay;
+    // The user LED on NUCLEO-U575ZI-Q is typically on port B, pin 0 (verify silkscreen)
+    let mut led = Output::new(p.PB0, Level::Low, Speed::Low);
 
     loop {
         led.set_high();
-        delay.delay_ms(500); // needs embedded_hal::delay::DelayNs in scope
+        Timer::after(Duration::from_millis(500)).await;
         led.set_low();
-        delay.delay_ms(500);
+        Timer::after(Duration::from_millis(500)).await;
     }
 }

hal_test/src/lib.rs

@@ -1,46 +1 @@
-#![no_main]
 #![no_std]
-
-use defmt_rtt as _; // global logger
-
-// TODO(5) adjust HAL import
-// use some_hal as _; // memory layout
-
-use panic_probe as _;
-
-// same panicking *behavior* as `panic-probe` but doesn't print a panic message
-// this prevents the panic message being printed *twice* when `defmt::panic` is invoked
-#[defmt::panic_handler]
-fn panic() -> ! {
-    cortex_m::asm::udf()
-}
-
-/// Terminates the application and makes a semihosting-capable debug tool exit
-/// with status code 0.
-pub fn exit() -> ! {
-    semihosting::process::exit(0);
-}
-
-/// Hardfault handler.
-///
-/// Terminates the application and makes a semihosting-capable debug tool exit
-/// with an error. This seems better than the default, which is to spin in a
-/// loop.
-#[cortex_m_rt::exception]
-unsafe fn HardFault(_frame: &cortex_m_rt::ExceptionFrame) -> ! {
-    semihosting::process::exit(1);
-}
-
-// defmt-test 0.3.0 has the limitation that this `#[tests]` attribute can only be used
-// once within a crate. the module can be in any file but there can only be at most
-// one `#[tests]` module in this library crate
-#[cfg(test)]
-#[defmt_test::tests]
-mod unit_tests {
-    use defmt::assert;
-
-    #[test]
-    fn it_works() {
-        assert!(true)
-    }
-}