fix workflow and clippy errors

Author: alexandruradovici

.github/workflows/rust.yml

@@ -39,9 +39,9 @@ jobs:
       - name: Clippy Devices
         run: |
           cd device
-          echo Clippy $package
           for package in $(ls -d usb*); do
-            (cd $package && cargo clippy -- --Dwarnings)
+            echo Clippy $package
+            (cd $package && cargo clippy -- -Dwarnings)
           done
       - name: Clippy Rust Host
         run: |

device/usb-bulk-stm32-nucleo-f429zi/Cargo.lock

@@ -8,7 +8,6 @@ use embassy_futures::join::join;
 use embassy_stm32::{
     Config, bind_interrupts,
     peripherals::USB,
-    time::Hertz,
     usb::{Driver, InterruptHandler},
 };
 use embassy_time::Timer;
@@ -46,11 +45,6 @@ async fn main(_spawner: Spawner) {
     // make sure you provide the `config` parameter here instead of `Default::default()`
     let peripherals = embassy_stm32::init(config);
 
-    let mut ep_out_buffer = [0u8; 256];
-    // let mut config = embassy_stm32::usb::Config::default();
-
-    // config.vbus_detection = false;
-
     let driver = Driver::new(peripherals.USB, Irqs, peripherals.PA12, peripherals.PA11);
 
     // Create embassy-usb Config