Merge #3

3: Don't require `UsbPeripheral` to be `Sync` r=Dirbaio a=jonas-schievink

It's stored in a `Mutex`, which turns `Send` data `Sync`, so this trait bound shouldn't be required.

Co-authored-by: Jonas Schievink <[email protected]>

Author: bors[bot]

src/lib.rs

@@ -11,7 +11,7 @@ pub use usbd::Usbd;
 /// A trait for device-specific USB peripherals. Implement this to add support for a new hardware
 /// platform. Peripherals that have this trait must have the same register block as NRF52 USBD
 /// peripherals.
-pub unsafe trait UsbPeripheral: Send + Sync {
+pub unsafe trait UsbPeripheral: Send {
     /// Pointer to the register block
     const REGISTERS: *const ();
 }