Add back commented out compile error
#![no_std]
#![allow(non_camel_case_types)]
-// #[cfg(not(feature = "device-selected"))]
-// compile_error!("This crate requires one of the following device features enabled:
-// stm32f301
-// stm32f318
-// stm32f302
-// stm32f303
-// stm32f373
-// stm32f378
-// stm32f334
-// stm32f328
-// stm32f358
-// stm32f398");
+#[cfg(not(feature = "device-selected"))]
+compile_error!("This crate requires one of the following device features enabled:
+ stm32f301
+ stm32f318
+ stm32f302
+ stm32f303
+ stm32f373
+ stm32f378
+ stm32f334
+ stm32f328
+ stm32f358
+ stm32f398");
pub use embedded_hal as hal;
