#![no_std]
#![no_main]

use esp32_hal::{gpio::IO, pac::Peripherals, prelude::*, Delay, Timer};
use panic_halt as _;
use xtensa_lx_rt::entry;

#[entry]
fn main() -> ! {
    let peripherals = Peripherals::take().unwrap();

    // Disable the TIMG watchdog timer.
    let mut timer0 = Timer::new(peripherals.TIMG0);

    timer0.disable();

    // Set GPIO15 as an output, and set its state high initially.
    let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
    let mut led = io.pins.gpio15.into_push_pull_output();

    led.set_high().unwrap();

    // Initialize the Delay peripheral, and use it to toggle the LED state in a
    // loop.
    let mut delay = Delay::new();

    loop {
        led.toggle().unwrap();
        delay.delay_ms(500u32);
    }
}