//! Blinks an LED
//!
//! This assumes that a LED is connected to GPIO4.
//! Depending on your target and the board you are using you should change the pin.
//! If your board doesn't have on-board LEDs don't forget to add an appropriate resistor.
//!

use esp_idf_hal::delay::FreeRtos;
use esp_idf_hal::gpio::*;
use esp_idf_hal::peripherals::Peripherals;

fn main() -> anyhow::Result<()> {
    esp_idf_sys::link_patches();

    let peripherals = Peripherals::take().unwrap();
    let mut led = PinDriver::output(peripherals.pins.gpio4)?;

    loop {
        led.set_high()?;
        // we are sleeping here to make sure the watchdog isn't triggered
        FreeRtos::delay_ms(1000);

        led.set_low()?;
        FreeRtos::delay_ms(1000);
    }
}