//! Blinks the LED on a Pico board //! //! This will blink an LED attached to GP25, which is the pin the Pico uses for the on-board LED. #![no_std] #![no_main] use cortex_m_rt::entry; use embedded_hal::digital::v2::OutputPin; use panic_halt as _; use rp2040_hal::prelude::*; #[link_section = ".boot2"] #[used] pub static BOOT2: [u8; 256] = rp2040_boot2::BOOT_LOADER; #[entry] fn main() -> ! { let mut pac = rp2040_pac::Peripherals::take().unwrap(); let pins = pac.IO_BANK0.split(pac.PADS_BANK0, pac.SIO, &mut pac.RESETS); let mut led_pin = pins.gpio25.into_output(); loop { led_pin.set_low().unwrap(); // TODO: I dare not use delays until we've got clocks running led_pin.set_high().unwrap(); // TODO: Other delay } }