#![no_std]
#![no_main]

use arduino_hal::{delay_ms, pins, Peripherals};
use core::panic::PanicInfo;

#[panic_handler]
fn panic(_info: &PanicInfo) -> ! {
    // disable interrupts - firmware has panicked so no ISRs should continue running
    avr_device::interrupt::disable();

    // get the peripherals so we can access serial and the LED.
    //
    // SAFETY: Because main() already has references to the peripherals this is an unsafe
    // operation - but because no other code can run after the panic handler was called,
    // we know it is okay.
    let dp = unsafe { Peripherals::steal() };
    let pins = pins!(dp);

    let mut led = pins.d13.into_output();

    loop {
        led.toggle();
        delay_ms(500);
    }
}

#[arduino_hal::entry]
fn main() -> ! {
    loop {}
}