fixed

hal_rng/src/bin/main.rs

@@ -3,11 +3,10 @@
 #![no_std]
 #![no_main]
 
-use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, peripherals, rng};
-use {defmt_rtt as _, panic_probe as _};
+use panic_probe as _;
 
 bind_interrupts!(struct Irqs {
     RNG => rng::InterruptHandler<peripherals::RNG>;
@@ -17,11 +16,7 @@ bind_interrupts!(struct Irqs {
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
 
-    info!("Hello World!");
-
     let mut rng = Rng::new(p.RNG, Irqs);
 
     let mut buf = [0u8; 16];
-    unwrap!(rng.async_fill_bytes(&mut buf).await);
-    info!("random bytes: {:02x}", buf);
 }

hal_rng/src/lib.rs

@@ -1,46 +0,0 @@
-#![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)
-    }
-}