#![no_std]
#![no_main]

use esp32c3_hal::{clock::ClockControl, pac::Peripherals, prelude::*, timer::TimerGroup, Rtc, IO, Delay};
use esp_backtrace as _;
use riscv_rt::entry;
use esp_println::println;


#[entry]
fn main() -> ! {
    let peripherals = Peripherals::take().unwrap();
    let system = peripherals.SYSTEM.split();
    let clocks = ClockControl::boot_defaults(system.clock_control).freeze();

    // Disable the RTC and TIMG watchdog timers
    let mut rtc = Rtc::new(peripherals.RTC_CNTL);
    let timer_group0 = TimerGroup::new(peripherals.TIMG0, &clocks);
    let mut wdt0 = timer_group0.wdt;
    let timer_group1 = TimerGroup::new(peripherals.TIMG1, &clocks);
    let mut wdt1 = timer_group1.wdt;

    rtc.swd.disable();
    rtc.rwdt.disable();
    wdt0.disable();
    wdt1.disable();

    let mut delay = Delay::new(&clocks);
    let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
    let mut led = io.pins.gpio4.into_push_pull_output();
    led.set_high().unwrap();


    loop {
        println!("Hello World!");
        led.toggle().unwrap();
        delay.delay_ms(1000u32);
    }
}