#![no_std]
#![no_main]
-extern crate cortex_m;
-extern crate feather_m0 as hal;
-extern crate panic_halt;
-extern crate usb_device;
-extern crate usbd_serial;
+use panic_halt as _;
+use feather_m0 as hal;
+use hal::entry;
use hal::clock::GenericClockController;
-use hal::entry;
use hal::pac::{interrupt, CorePeripherals, Peripherals};
-use hal::prelude::*;
use hal::usb::UsbBus;
use usb_device::bus::UsbBusAllocator;
#[interrupt]
fn USB() {
poll_usb();
-}
+}
\ No newline at end of file