#![no_std] #![no_main] use cortex_m_rt::entry; #[allow(unused_imports)] use panic_halt; use stm32l4xx_hal::{pac, rcc::RccExt}; #[entry] fn main() -> ! { let dp = pac::Peripherals::take().unwrap(); // let cp = cortex_m::Peripherals::take().unwrap(); let mut _rcc = dp.RCC.constrain(); loop {} }