#![no_std] #![no_main] use cortex_m_rt::entry; use defmt_rtt as _; use panic_probe as _; use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed}; #[entry] fn main() -> ! { let p = embassy_stm32::init(Default::default()); let mut led = Output::new(p.PB14, Level::High, Speed::VeryHigh); let button = Input::new(p.PC13, Pull::Up); loop { if button.is_low() { led.set_high(); } else { led.set_low(); } } }